JP2014005451A - Colored curable resin composition - Google Patents

Abstract

［式（１ｂ）中、Ｒ^４１〜Ｒ^４８は、互いに独立に、水素原子、ハロゲン原子、シアノ基、ニトロ基、アルキル基、アルコキシ基、アリール基、アリールオキシ基、アラルキルオキシ基、あるいはアミノ基を表し、Mは２個の水素原子、金属原子、または酸化金属原子を表す。］
【選択図】なしA colored curable resin composition capable of forming a high-contrast color filter is provided.
A colorant, a resin, a polymerizable compound, and a polymerization initiator are included, and the colorant includes a xanthene dye and a compound represented by the following formula (1b).

[In the formula (1b), R ^{41 to} R ⁴⁸ are each independently a hydrogen atom, a halogen atom, a cyano group, a nitro group, an alkyl group, an alkoxy group, an aryl group, an aryloxy group, an aralkyloxy group, or an amino group. And M represents two hydrogen atoms, a metal atom, or a metal oxide atom. ]
[Selection figure] None

Description

  The present invention relates to a colored curable resin composition.

  Colored curable resin compositions are used in the manufacture of color filters used in display devices such as liquid crystal display panels, electroluminescence panels, and plasma display panels. As such a colored curable resin composition, a xanthene dye and C.I. I. Pigment Blue 15: 6 only, colored curable resin composition (Patent Document 1), xanthene dye as a colorant, C.I. I. A colored curable resin composition (Patent Document 2) containing Pigment Blue 15: 6 and a phthalocyanine dye is known.

JP 2010-32999 A

JP 2011-28236 A

  However, the contrast of the color filter obtained by the conventionally known colored curable resin composition is not always satisfactory.

［式（１ｂ）中、Ｒ^４１〜Ｒ^４８は、それぞれ独立に、水素原子、ハロゲン原子、シアノ基、ニトロ基、置換または未置換のアルキル基、置換または未置換のアルコキシ基、置換または未置換のアリール基、置換または未置換のアリールオキシ基、置換または未置換のアラルキルオキシ基、あるいは置換または未置換のアミノ基を表し、Mは２個の水素原子、２個の１価の金属原子、２価の金属原子、３価の置換金属原子、または酸化金属原子を表す。］
［２］ テトラアザポルフィリン染料の含有量が、キサンテン染料１００質量部に対して、１質量部以上１００質量部以下である［１］記載の着色硬化性樹脂組成物。
［３］ キサンテン染料の含有量が、着色剤の総量に対して、０．１質量％以上５０質量％以下である［１］又は［２］記載の着色硬化性樹脂組成物。
［４］ キサンテン染料が下記式（１a）で表される化合物を含む［１］〜［３］のいずれかに記載の着色硬化性樹脂組成物。 The inventor of the present invention has come to the present invention as a result of studies to solve the above-mentioned problems.
The present invention includes the following inventions.
[1] including a colorant, a resin, a polymerizable compound, and a polymerization initiator,
A colored curable resin composition in which the colorant contains a xanthene dye, a tetraazaporphyrin dye containing a compound represented by the following formula (1b), and a pigment.

[In the formula (1b), R ^{41 to} R ⁴⁸ are each independently a hydrogen atom, a halogen atom, a cyano group, a nitro group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted group. An aryl group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted aralkyloxy group, or a substituted or unsubstituted amino group, M is two hydrogen atoms, two monovalent metal atoms, Represents a divalent metal atom, a trivalent substituted metal atom, or a metal oxide atom. ]
[2] The colored curable resin composition according to [1], wherein the content of the tetraazaporphyrin dye is 1 part by mass or more and 100 parts by mass or less with respect to 100 parts by mass of the xanthene dye.
[3] The colored curable resin composition according to [1] or [2], wherein the content of the xanthene dye is 0.1% by mass or more and 50% by mass or less based on the total amount of the colorant.
[4] The colored curable resin composition according to any one of [1] to [3], wherein the xanthene dye contains a compound represented by the following formula (1a).

［式（１ａ）中、Ｒ¹〜Ｒ⁴は、それぞれ独立に、水素原子、置換基を有していてもよい炭素数１〜２０の１価の飽和炭化水素基又は置換基を有していてもよい炭素数６〜１０の１価の芳香族炭化水素基を表し、該飽和炭化水素基に含まれる−ＣＨ_２−は、−Ｏ−、−ＣＯ−又は−ＮＲ^１１−で置き換わっていてもよい。Ｒ¹及びＲ^２は、互いに結合して窒素原子と一緒になって窒素原子を含む環を形成してもよく、Ｒ^３及びＲ^４は、互いに結合して窒素原子と一緒になって窒素原子を含む環を形成してもよい。
Ｒ⁵は、−ＯＨ、−ＳＯ₃ ^-、−ＳＯ₃Ｈ、−ＳＯ₃ ^-Ｚ⁺、−ＣＯ₂Ｈ、−ＣＯ₂ ^-Ｚ⁺、−ＣＯ₂Ｒ⁸、−ＳＯ₃Ｒ⁸又は−ＳＯ₂ＮＲ⁹Ｒ¹⁰を表す。
Ｒ⁶及びＲ⁷は、それぞれ独立に、水素原子又は炭素数１〜６のアルキル基を表す。
ｍは、０〜５の整数を表す。ｍが２以上のとき、複数のＲ⁵は同一でも異なってもよい。
ａは、０又は１の整数を表す。
Ｘは、ハロゲン原子を表す。
Ｚ⁺は、⁺Ｎ（Ｒ¹¹）₄、Ｎａ⁺又はＫ⁺を表し、４つのＲ¹¹は同一でも異なってもよい。
Ｒ⁸は、炭素数１〜２０の１価の飽和炭化水素基を表し、該飽和炭化水素基に含まれる水素原子は、ハロゲン原子で置換されていてもよい。
Ｒ⁹及びＲ¹⁰は、それぞれ独立に、水素原子又は置換基を有していてもよい炭素数１〜２０の１価の飽和炭化水素基を表し、該飽和脂肪族炭化水素基に含まれる−ＣＨ_２−は、−Ｏ−、−ＣＯ−、−ＮＨ−又は−ＮＲ^８−で置き換っていてもよく、Ｒ⁹及びＲ¹⁰は、互いに結合して窒素原子と一緒に３〜１０員含窒素複素環を形成していてもよい。
Ｒ¹¹は、水素原子、炭素数１〜２０の１価の飽和炭化水素基又は炭素数７〜１０のアラルキル基を表す。］
［５］ ［１］〜［４］のいずれかに記載の着色硬化性樹脂組成物により形成されるカラーフィルタ。
［６］ ［５］記載のカラーフィルタを含む表示装置。

[In Formula (1a), R ^{1 to} R ⁴ each independently have a hydrogen atom, a monovalent saturated hydrocarbon group having 1 to 20 carbon atoms which may have a substituent, or a substituent. Represents a monovalent aromatic hydrocarbon group having 6 to 10 carbon atoms, and —CH ₂ — contained in the saturated hydrocarbon group is replaced by —O—, —CO— or —NR ¹¹ —. Also good. R ¹ and R ² may be bonded together to form a ring containing a nitrogen atom together with a nitrogen atom, and R ³ and R ⁴ may be bonded together to form a nitrogen atom together with the nitrogen atom. A ring containing may be formed.
R ^{5 _{is, -OH, -SO 3 -, -SO}} 3 H, -SO 3 - Z +, -CO 2 H, -CO 2 - Z +, -CO 2 R 8, -SO 3 R 8 or -SO ₂ represents NR ⁹ R ¹⁰
R ⁶ and R ⁷ each independently represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms.
m represents an integer of 0 to 5. When m is 2 or more, the plurality of R ⁵ may be the same or different.
a represents an integer of 0 or 1.
X represents a halogen atom.
Z ⁺ represents ⁺ N (R ¹¹ ) ₄ , Na ⁺ or K ⁺ , and four R ¹¹ may be the same or different.
R ⁸ represents a monovalent saturated hydrocarbon group having 1 to 20 carbon atoms, and the hydrogen atom contained in the saturated hydrocarbon group may be substituted with a halogen atom.
R ⁹ and R ¹⁰ each independently represent a hydrogen atom or a monovalent saturated hydrocarbon group having 1 to 20 carbon atoms which may have a substituent, and is included in the saturated aliphatic hydrocarbon group— CH ₂ — may be replaced by —O—, —CO—, —NH— or —NR ⁸ —, and R ⁹ and R ¹⁰ are bonded to each other to form a 3 to 10 member together with a nitrogen atom. A nitrogen-containing heterocycle may be formed.
R ¹¹ represents a hydrogen atom, a monovalent saturated hydrocarbon group having 1 to 20 carbon atoms, or an aralkyl group having 7 to 10 carbon atoms. ]
[5] A color filter formed from the colored curable resin composition according to any one of [1] to [4].
[6] A display device including the color filter according to [5].

  According to the present invention, it is possible to provide a colored curable resin composition capable of forming a high-contrast color filter.

It is the schematic explaining the manufacturing method of the color filter of this invention. It is the schematic explaining the manufacturing method of the color filter of this invention. It is the schematic explaining the manufacturing method of the color filter of this invention.

The colored curable resin composition of the present invention includes a colorant (A), a resin (B), a polymerizable compound (C), and a polymerization initiator (D).
The colorant (A) includes a xanthene dye (Aa), a tetraazaporphyrin dye (Ab), and a pigment (Ad). Further, the colorant (A) may contain a dye different from the xanthene dye (Aa) and the tetraazaporphyrin dye (Ab) (hereinafter sometimes referred to as “dye (Ac)”).
The colored curable resin composition of the present invention preferably further contains a solvent (E) and / or a leveling agent (F).
The colored curable resin composition of the present invention may contain a polymerization initiation assistant (D1).
The colored curable resin composition of the present invention can produce a high-contrast color filter by containing a xanthene dye (Aa), a tetraazaporphyrin dye (Ab), and a pigment (Ad) as the colorant (A).

<Colorant (A)>
The xanthene dye (Aa) is a dye containing a compound having a xanthene skeleton in the molecule. Examples of the xanthene dye (Aa) include C.I. I. Acid Red 51 (hereinafter, the description of CI Acid Red is omitted and only the number is described. Others are also the same), 52, 87, 92, 94, 289, 388, C.I. I. Acid Violet 9, 30, 102, C.I. I. Basic Red 1 (Rhodamine 6G), 2, 3, 4, 8, C.I. I. Basic Red 10 (Rhodamine B), 11, C.I. I. Basic violet 10, 11, 25, C.I. I. Solvent Red 218, C.I. I. Modern Tread 27, C.I. I. Reactive Red 36 (Rose Bengal B), sulforhodamine G, xanthene dyes described in JP 2010-32999 A and xanthene dyes described in Japanese Patent No. 4492760, and the like, are soluble in an organic solvent. preferable.

  Among these, as the xanthene dye (Aa), a dye containing a compound represented by the formula (1a) (hereinafter sometimes referred to as “compound (1a)”) is preferable. Compound (1a) may be a tautomer thereof. When using a compound (1a), content of the compound (1a) in a xanthene dye (Aa) becomes like this. Preferably it is 50 mass% or more, More preferably, it is 70 mass% or more, More preferably, it is 90 mass% or more. In particular, it is preferable to use only the compound (1a) as the xanthene dye (Aa).

式（１ａ）中、Ｒ¹〜Ｒ⁴は、それぞれ独立に、水素原子、置換基を有していてもよい炭素数１〜２０の１価の飽和炭化水素基又は置換基を有していてもよい炭素数６〜１０の１価の芳香族炭化水素基を表し、該飽和炭化水素基に含まれる−ＣＨ_２−は、−Ｏ−、−ＣＯ−又は−ＮＲ^１１−で置き換わっていてもよい。Ｒ¹及びＲ^２は、互いに結合して窒素原子と一緒になって窒素原子を含む環を形成してもよく、Ｒ^３及びＲ^４は、互いに結合して窒素原子と一緒になって窒素原子を含む環を形成してもよい。
Ｒ⁵は、−ＯＨ、−ＳＯ₃ ^-、−ＳＯ₃Ｈ、−ＳＯ₃ ^-Ｚ⁺、−ＣＯ₂Ｈ、−ＣＯ₂ ^-Ｚ⁺、−ＣＯ₂Ｒ⁸、−ＳＯ₃Ｒ⁸又は−ＳＯ₂ＮＲ⁹Ｒ¹⁰を表す。
Ｒ⁶及びＲ⁷は、それぞれ独立に、水素原子又は炭素数１〜６のアルキル基を表す。
ｍは、０〜５の整数を表す。ｍが２以上のとき、複数のＲ⁵は同一でも異なってもよい。
ａは、０又は１の整数を表す。
Ｘは、ハロゲン原子を表す。
Ｚ⁺は、⁺Ｎ（Ｒ¹¹）₄、Ｎａ⁺又はＫ⁺を表し、４つのＲ¹¹は同一でも異なってもよい。
Ｒ⁸は、炭素数１〜２０の１価の飽和炭化水素基を表し、該飽和炭化水素基に含まれる水素原子は、ハロゲン原子で置換されていてもよい。
Ｒ⁹及びＲ¹⁰は、それぞれ独立に、水素原子又は置換基を有していてもよい炭素数１〜２０の１価の飽和炭化水素基を表し、該飽和脂肪族炭化水素基に含まれる−ＣＨ_２−は、−Ｏ−、−ＣＯ−、−ＮＨ−又は−ＮＲ^８−で置き換っていてもよく、Ｒ⁹及びＲ¹⁰は、互いに結合して窒素原子と一緒に３〜１０員含窒素複素環を形成していてもよい。
Ｒ¹¹は、水素原子、炭素数１〜２０の１価の飽和炭化水素基又は炭素数７〜１０のアラルキル基を表す。

In formula (1a), R ^{1 to} R ⁴ each independently have a hydrogen atom, a monovalent saturated hydrocarbon group having 1 to 20 carbon atoms which may have a substituent, or a substituent. Represents a monovalent aromatic hydrocarbon group having 6 to 10 carbon atoms, and —CH ₂ — contained in the saturated hydrocarbon group may be replaced by —O—, —CO— or —NR ¹¹ —. Good. R ¹ and R ² may be bonded together to form a ring containing a nitrogen atom together with a nitrogen atom, and R ³ and R ⁴ may be bonded together to form a nitrogen atom together with the nitrogen atom. A ring containing may be formed.
R ^{5 _{is, -OH, -SO 3 -, -SO}} 3 H, -SO 3 - Z +, -CO 2 H, -CO 2 - Z +, -CO 2 R 8, -SO 3 R 8 or -SO ₂ represents NR ⁹ R ¹⁰
R ⁶ and R ⁷ each independently represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms.
m represents an integer of 0 to 5. When m is 2 or more, the plurality of R ⁵ may be the same or different.
a represents an integer of 0 or 1.
X represents a halogen atom.
Z ⁺ represents ⁺ N (R ¹¹ ) ₄ , Na ⁺ or K ⁺ , and four R ¹¹ may be the same or different.
R ⁸ represents a monovalent saturated hydrocarbon group having 1 to 20 carbon atoms, and the hydrogen atom contained in the saturated hydrocarbon group may be substituted with a halogen atom.
R ⁹ and R ¹⁰ each independently represent a hydrogen atom or a monovalent saturated hydrocarbon group having 1 to 20 carbon atoms which may have a substituent, and is included in the saturated aliphatic hydrocarbon group— CH ₂ — may be replaced by —O—, —CO—, —NH— or —NR ⁸ —, and R ⁹ and R ¹⁰ are bonded to each other to form a 3 to 10 member together with a nitrogen atom. A nitrogen-containing heterocycle may be formed.
R ¹¹ represents a hydrogen atom, a monovalent saturated hydrocarbon group having 1 to 20 carbon atoms, or an aralkyl group having 7 to 10 carbon atoms.

Examples of the monovalent aromatic hydrocarbon group having 6 to 10 carbon atoms in R ^{1 to} R ⁴ include a phenyl group, a toluyl group, a xylyl group, a mesityl group, a propylphenyl group, and a butylphenyl group.

The aromatic hydrocarbon group substituent which may have a halogen ^{atom, -R 8, -OH, -OR 8} , -SO 3 -, -SO 3 H, -SO 3 - Z +, - CO ₂ H, —CO ₂ R ⁸ , —SR ⁸ , —SO ₂ R ⁸ , —SO ₃ R ⁸ or —SO ₂ NR ⁹ R ¹⁰ may be mentioned. Among them, as the _{^{substituent, -SO 3 -, -SO 3 H}} , -SO 3 - Z + and preferably _{^{-SO 2 NR 9 R 10, -SO}} 3 - Z + and -SO ₂ NR ⁹ R ¹⁰ Is more preferable. In this case, —SO ₃ ^{− +} N (R ¹¹ ) ₄ is preferable as —SO ₃ ⁻ Z ⁺ . When R ^{1 to} R ⁴ are these groups, the colored curable resin composition of the present invention containing the compound (1a) can form a color filter with less generation of foreign matters and excellent heat resistance.

Examples of the monovalent saturated hydrocarbon group having 1 to 20 carbon atoms in R ^{1 to} R ⁴ and R ^{8 to} R ¹¹ include a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, a hexyl group, and a heptyl group. Linear alkyl groups such as octyl group, nonyl group, decyl group, dodecyl group, hexadecyl group, icosyl group; branched alkyl groups such as isopropyl group, isobutyl group, isopentyl group, neopentyl group, 2-ethylhexyl group; C3-C20 alicyclic saturated hydrocarbon groups, such as a cyclopropyl group, a cyclopentyl group, a cyclohexyl group, a cycloheptyl group, a cyclooctyl group, a tricyclodecyl group, are mentioned.
The hydrogen atom contained in the saturated hydrocarbon group in R ^{1 to} R ⁴ may be substituted with an aromatic hydrocarbon group having 6 to 10 carbon atoms or a halogen atom.
The hydrogen atom contained in the saturated hydrocarbon group for R ⁹ and R ¹⁰ may be substituted with a hydroxy group or a halogen atom.

A ring containing a nitrogen atom formed by combining R ¹ and R ² together with a nitrogen atom, and a ring containing a nitrogen atom formed by combining R ³ and R ⁴ together with a nitrogen atom For example, the following may be mentioned.

Examples of —OR ⁸ include methoxy group, ethoxy group, propoxy group, butoxy group, pentyloxy group, hexyloxy group, heptyloxy group, octyloxy group, 2-ethylhexyloxy group, icosyloxy group and the like.

Examples of —CO ₂ R ⁸ include a methoxycarbonyl group, an ethoxycarbonyl group, a propoxycarbonyl group, a tert-butoxycarbonyl group, a hexyloxycarbonyl group, and an icosyloxycarbonyl group.

Examples of —SR ⁸ include a methylsulfanyl group, an ethylsulfanyl group, a butylsulfanyl group, a hexylsulfanyl group, a decylsulfanyl group, and an icosylsulfanyl group.
Examples of —SO ₂ R ⁸ include a methylsulfonyl group, an ethylsulfonyl group, a butylsulfonyl group, a hexylsulfonyl group, a decylsulfonyl group, and an icosylsulfonyl group.
Examples of —SO ₃ R ⁸ include a methoxysulfonyl group, an ethoxysulfonyl group, a propoxysulfonyl group, a tert-butoxysulfonyl group, a hexyloxysulfonyl group, and an icosyloxysulfonyl group.

—SO ₂ NR ⁹ R ¹⁰ includes, for example, a sulfamoyl group;
N-methylsulfamoyl group, N-ethylsulfamoyl group, N-propylsulfamoyl group, N-isopropylsulfamoyl group, N-butylsulfamoyl group, N-isobutylsulfamoyl group, N- sec-butylsulfamoyl group, N-tert-butylsulfamoyl group, N-pentylsulfamoyl group, N- (1-ethylpropyl) sulfamoyl group, N- (1,1-dimethylpropyl) sulfamoyl group, N- (1,2-dimethylpropyl) sulfamoyl group, N- (2,2-dimethylpropyl) sulfamoyl group, N- (1-methylbutyl) sulfamoyl group, N- (2-methylbutyl) sulfamoyl group, N- (3 -Methylbutyl) sulfamoyl group, N-cyclopentylsulfamoyl group, N-hexylsulfamoyl N- (1,3-dimethylbutyl) sulfamoyl group, N- (3,3-dimethylbutyl) sulfamoyl group, N-heptylsulfamoyl group, N- (1-methylhexyl) sulfamoyl group, N- (1 , 4-Dimethylpentyl) sulfamoyl group, N-octylsulfamoyl group, N- (2-ethylhexyl) sulfamoyl group, N- (1,5-dimethyl) hexylsulfamoyl group, N- (1,1,2, , 2-tetramethylbutyl) sulfamoyl group and the like N-1 substituted sulfamoyl group;
N, N-dimethylsulfamoyl group, N, N-ethylmethylsulfamoyl group, N, N-diethylsulfamoyl group, N, N-propylmethylsulfamoyl group, N, N-isopropylmethylsulfa Moyl group, N, N-tert-butylmethylsulfamoyl group, N, N-butylethylsulfamoyl group, N, N-bis (1-methylpropyl) sulfamoyl group, N, N-heptylmethylsulfamoyl And N, N-2-substituted sulfamoyl groups such as a group.

The _{^{R 5, -CO 2 H, -CO}} 2 - Z +, -CO 2 R 8, -SO 3 -, -SO 3 - Z +, -SO 3 H and _SO 2 NHR ⁹ are preferred, SO ₃ ^{- _{, -SO 3 - Z +, -SO}} 3 H and _SO 2 NHR ⁹ is more preferable.
m is preferably 1 to 4, and more preferably 1 and 2.

The alkyl group having 1 to 6 carbon atoms in R ⁶ and R ^7, among the alkyl groups listed above, include those having 1 to 6 carbon atoms.

Examples of the aralkyl group having 7 to 10 carbon atoms in R ¹¹ include a benzyl group, a phenylethyl group, and a phenylbutyl group.

Z ⁺ is ⁺ N (R ¹¹ ) ₄ , Na ⁺ or K ⁺ , preferably ⁺ N (R ¹¹ ) ₄ .
As the ⁺ N (R ¹¹ ) ₄ , at least two of the four R ¹¹ are preferably monovalent saturated hydrocarbon groups having 5 to 20 carbon atoms. The total number of carbon atoms of the four R ¹¹ is preferably 20 to 80, 20 to 60 is more preferable. When ⁺ N (R ¹¹ ) ₄ is present in the compound (1a), when R ¹¹ is any of these groups, the color filter having less foreign matter from the colored curable resin composition of the present invention containing the compound (1a) Can be formed.

  The compound (1a) is preferably a compound represented by the formula (2a) (hereinafter sometimes referred to as “compound (2a)”). Compound (2a) may be a tautomer thereof.

［式（２ａ）中、Ｒ²¹〜Ｒ²⁴は、それぞれ独立に、水素原子、−Ｒ²⁶又は置換基を有していてもよい炭素数６〜１０の１価の芳香族炭化水素基を表す。Ｒ²¹及びＲ²²は、互いに結合して窒素原子と一緒になって窒素原子を含む環を形成してもよく、Ｒ²³及びＲ²⁴は、互いに結合して窒素原子と一緒になって窒素原子を含む環を形成してもよい。
Ｒ²⁵は、−ＳＯ₃ ^-、−ＳＯ₃Ｈ、−ＳＯ₃ ^-Ｚ１⁺又は−ＳＯ₂ＮＨＲ²⁶を表す。
ｍ１は、０〜５の整数を表す。ｍ１が２以上のとき、複数のＲ²⁵は同一でも異なってもよい。
ａ１は、０又は１の整数を表す。
Ｘ１は、ハロゲン原子を表す。
Ｒ²⁶は、炭素数１〜２０の１価の飽和炭化水素基を表す。
Ｚ１⁺は、⁺Ｎ（Ｒ²⁷）₄、Ｎａ⁺又はＫ⁺を表し、４つのＲ²⁷は同一でも異なってもよい。
Ｒ²⁷は、炭素数１〜２０の１価の飽和炭化水素基又はベンジル基を表す。］

[In Formula (2a), R ^{21 to} R ²⁴ each independently represents a hydrogen atom, —R ²⁶ or a monovalent aromatic hydrocarbon group having 6 to 10 carbon atoms which may have a substituent. . R ²¹ and R ²² may be bonded together to form a ring containing a nitrogen atom together with a nitrogen atom, and R ²³ and R ²⁴ may be bonded together to form a nitrogen atom together with the nitrogen atom. A ring containing may be formed.
R ²⁵ is, -SO ₃ ^- represents a Z1 ⁺ or _{^{-SO 2 NHR 26 -, -SO 3}} H, -SO 3.
m1 represents the integer of 0-5. When m1 is 2 or more, the plurality of R ²⁵ may be the same or different.
a1 represents an integer of 0 or 1.
X1 represents a halogen atom.
R ²⁶ represents a monovalent saturated hydrocarbon group having 1 to 20 carbon atoms.
Z1 ⁺ represents ⁺ N (R ²⁷ ) ₄ , Na ⁺ or K ⁺ , and the four R ²⁷ may be the same or different.
R ²⁷ represents a monovalent saturated hydrocarbon group or a benzyl group having 1 to 20 carbon atoms. ]

Examples of the monovalent aromatic hydrocarbon group having 6 to 10 carbon atoms in R ^{21 to} R ²⁴ include the same groups as those mentioned as the aromatic hydrocarbon group for R ^{1 to} R ⁴ . Hydrogen atoms contained in the aromatic hydrocarbon _{^{group, -SO 3 -, -SO 3 H}} , -SO 3 - Z1 +, may be substituted by -SO ₃ R ²⁶ or -SO ₂ NHR ^26.
As a combination of R ^{21 to} R ²⁴ , R ²¹ and R ²³ are hydrogen atoms, R ²² and R ²⁴ are monovalent aromatic hydrocarbon groups having 6 to 10 carbon atoms, and the aromatic hydrocarbons hydrogen atoms contained in the _{^{groups, -SO 3 -, -SO 3 H}} , -SO 3 - Z1 +, those substituted by -SO ₃ R ²⁶ or -SO ₂ NHR ²⁶ preferred. A more preferred combination is that R ²¹ and R ²³ are hydrogen atoms, R ²² and R ²⁴ are monovalent aromatic hydrocarbon groups having 6 to 10 carbon atoms, and hydrogen contained in the aromatic hydrocarbon group atom, -SO ₃ ^- in which are substituted with Z1 ⁺ or -SO ₂ NHR ^26.
When R ^{21 to} R ²⁴ are these groups, a color filter having excellent heat resistance can be formed from the colored curable resin composition of the present invention containing the compound (2a).

A ring containing a nitrogen atom formed by combining R ²¹ and R ²² together with a nitrogen atom, and a nitrogen atom formed by combining R ²³ and R ²⁴ together with a nitrogen atom Examples of the ring include the same rings as those containing a nitrogen atom formed by combining R ¹ and R ² together with the nitrogen atom. Among these, an aliphatic heterocyclic ring is preferable. Examples of the aliphatic heterocycle include the following.

Examples of the monovalent saturated hydrocarbon group having 1 to 20 carbon atoms in R ²⁶ and R ²⁷ include the same groups as those exemplified as the saturated hydrocarbon group in R ^{8 to} R ¹¹ .
When R ²¹ to R ²⁴ is -R ^26, -R ²⁶ each independently is preferably a methyl group or an ethyl group. As the R ²⁶ in -SO ₃ R ²⁶ and -SO ₂ NHR ^26, preferably branched alkyl group having 3 to 20 carbon atoms, more preferably a branched alkyl group having 6 to 12 carbon atoms, A 2-ethylhexyl group is more preferred. When R ²⁶ is these groups, a color filter with less generation of foreign matters can be formed from the colored curable resin composition of the present invention containing the compound (2a).

Z1 ⁺ is ⁺ N (R ²⁷ ) ₄ , Na ⁺ or K ⁺ , preferably ⁺ N (R ²⁷ ) ₄ .
As the ⁺ N (R ²⁷ ) ₄ , at least two of the four R ²⁷ are preferably monovalent saturated hydrocarbon groups having 5 to 20 carbon atoms. The total number of carbon atoms of the four R ²⁷ is preferably 20 to 80, 20 to 60 is more preferable. When ⁺ N (R ²⁷ ) ₄ is present in the compound (2a), when R ²⁷ is any of these groups, the occurrence of foreign matters is less from the colored curable resin composition of the present invention containing the compound (2a). A color filter can be formed.

  m1 is preferably 1 to 4, and more preferably 1 and 2.

  As the compound (1a), a compound represented by the formula (3a) (hereinafter sometimes referred to as “compound (3a)”) is also preferable. Compound (3a) may be a tautomer thereof.

［式（３ａ）中、Ｒ³¹及びＲ³²は、それぞれ独立に、炭素数１〜１０の１価の飽和炭化水素基を表し、該飽和炭化水素基に含まれる水素原子は、炭素数６〜１０の芳香族炭化水素基又はハロゲン原子で置換されていてもよく、該芳香族炭化水素基に含まれる水素原子は、炭素数１〜３のアルコキシ基で置換されていてもよく、前記飽和炭化水素基に含まれる−ＣＨ_２−は、−Ｏ−、−ＣＯ−又は−ＮＲ^１１−で置き換わっていてもよい。
Ｒ³³及びＲ³⁴は、それぞれ独立に、炭素数１〜４のアルキル基、炭素数１〜４のアルキルスルファニル基又は炭素数１〜４のアルキルスルホニル基を表す。
Ｒ³¹及びＲ³³は、互いに結合して窒素原子と一緒になって窒素原子を含む環を形成してもよく、Ｒ³²及びＲ³⁴は、互いに結合して窒素原子と一緒になって窒素原子を含む環を形成してもよい。
ｐ及びｑは、それぞれ独立に、０〜５の整数を表す。ｐが２以上のとき、複数のＲ³³は同一でも異なってもよく、ｑが２以上のとき、複数のＲ³⁴は同一でも異なってもよい。
Ｒ^１１は、上記と同じ意味を表す。］

[In Formula (3a), R ³¹ and R ³² each independently represent a monovalent saturated hydrocarbon group having 1 to 10 carbon atoms, and the hydrogen atom contained in the saturated hydrocarbon group has 6 to 6 carbon atoms. May be substituted with 10 aromatic hydrocarbon groups or a halogen atom, and the hydrogen atom contained in the aromatic hydrocarbon group may be substituted with an alkoxy group having 1 to 3 carbon atoms, —CH ₂ — contained in the hydrogen group may be replaced by —O—, —CO— or —NR ¹¹ —.
R ³³ and R ³⁴ each independently represents an alkyl group having 1 to 4 carbon atoms, an alkylsulfanyl group having 1 to 4 carbon atoms, or an alkylsulfonyl group having 1 to 4 carbon atoms.
R ³¹ and R ³³ may be bonded together to form a ring containing a nitrogen atom together with a nitrogen atom, and R ³² and R ³⁴ may be bonded together to form a nitrogen atom together with the nitrogen atom. A ring containing may be formed.
p and q represent the integer of 0-5 each independently. When p is 2 or more, the plurality of R ³³ may be the same or different, and when q is 2 or more, the plurality of R ³⁴ may be the same or different.
R ¹¹ represents the same meaning as described above. ]

Examples of the monovalent saturated hydrocarbon group having 1 to 10 carbon atoms in R ³¹ and R ³² include those having 1 to 10 carbon atoms among those in R ⁸ .
Examples of the aromatic hydrocarbon group having 6 to 10 carbon atoms which may be present as a substituent include the same groups as those in R ¹ .
As a C1-C3 alkoxy group, a methoxy group, an ethoxy group, a propoxy group etc. are mentioned, for example.
R ³¹ and R ³² are preferably each independently a monovalent saturated hydrocarbon group having 1 to 3 carbon atoms.

Examples of the alkyl group having 1 to 4 carbon atoms in R ³³ and R ³⁴ include a methyl group, an ethyl group, a propyl group, a butyl group, an isopropyl group, an isobutyl group, a sec-butyl group, and a tert-butyl group.
Examples of the alkylsulfanyl group having 1 to 4 carbon atoms in R ³³ and R ³⁴ include a methylsulfanyl group, an ethylsulfanyl group, a propylsulfanyl group, a butylsulfanyl group, and an isopropylsulfanyl group.
Examples of the alkylsulfonyl group having 1 to 4 carbon atoms for R ³³ and R ³⁴ include a methylsulfonyl group, an ethylsulfonyl group, a propylsulfonyl group, a butylsulfonyl group, and an isopropylsulfonyl group.
R ³³ and R ³⁴ are preferably an alkyl group having 1 to 4 carbon atoms, more preferably a methyl group.

  p and q are preferably integers of 0 to 2, and 0 and 1 are preferred.

Examples of the compound (1a) include compounds represented by formulas (1-1) to (1-43). In the formula, R ⁴⁰ represents a monovalent saturated hydrocarbon group having 1 to 20 carbon atoms, preferably a branched alkyl group having 6 to 12 carbon atoms, more preferably a 2-ethylhexyl group.

Among the above compounds, the compounds represented by the formula (1-1) to the formula (1-23) or the formula (1-37) to the formula (1-43) correspond to the compound (2a), and the formula (1- The compound represented by any one of 24) to formula (1-36) corresponds to the compound (3a).
Among these, C.I. I. Acid red 289 sulfonamidation product, C.I. I. Quaternary ammonium salt of Acid Red 289, C.I. I. Acid violet 102 sulfonamidate or C.I. I. The quaternary ammonium salt of Acid Violet 102 is preferred. Examples of such a compound include compounds represented by formula (1-1) to formula (1-8), formula (1-11), and formula (1-12).
In addition, a compound represented by any one of formulas (1-24) to (1-33) is also preferable in that it has excellent solubility in an organic solvent.

As the xanthene dye (Aa), a commercially available xanthene dye (for example, “Chugai Aminol Fast Pink RH / C” manufactured by Chugai Kasei Co., Ltd., “Rhodamin 6G” manufactured by Taoka Chemical Industry Co., Ltd.) may be used. it can. Moreover, it can also synthesize | combine with reference to Unexamined-Japanese-Patent No. 2010-32999 using the commercially available xanthene dye as a starting material.

  The tetraazaporphyrin dye (Ab) is a compound having a tetraazaporphyrin skeleton in the molecule. Further, when the tetraazaporphyrin dye is an acid dye or a basic dye, it may form a salt with any cation or anion. The tetraazaporphyrin dye (Ab) is preferably one that dissolves in an organic solvent. In particular, when the colored curable resin composition of the present invention is prepared as a blue colored curable resin composition, the tetraazaporphyrin dye is at least one dye selected from the group consisting of blue, violet, and red. Is preferred.

  Among these, in the colored curable resin composition of the present invention, a compound represented by the formula (1b) (hereinafter sometimes referred to as “compound (1b)”) is added to the tetraazaporphyrin dye (Ab). Including. The content of the compound (1b) in the tetraazaporphyrin dye (Ab) is preferably 50% by mass or more, more preferably 70% by mass or more, and further preferably 90% by mass or more. In particular, it is preferable to use only the compound (1b) as the tetraazaporphyrin dye (Ab).

［式（１ｂ）中、Ｒ^４１〜Ｒ^４８は、それぞれ独立に、水素原子、ハロゲン原子、シアノ基、ニトロ基、置換または未置換のアルキル基、置換または未置換のアルコキシ基、置換または未置換のアリール基、置換または未置換のアリールオキシ基、置換または未置換のアラルキルオキシ基、あるいは置換または未置換のアミノ基を示し、Mは２個の水素原子、２個の１価の金属原子、２価の金属原子、３価の置換金属原子、または酸化金属原子を表す。

[In the formula (1b), R ^{41 to} R ⁴⁸ are each independently a hydrogen atom, a halogen atom, a cyano group, a nitro group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted group. An aryl group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted aralkyloxy group, or a substituted or unsubstituted amino group, M is two hydrogen atoms, two monovalent metal atoms, Represents a divalent metal atom, a trivalent substituted metal atom, or a metal oxide atom.

In the present specification, the aryl group represents, for example, a carbocyclic aromatic group such as a phenyl group or a naphthyl group, for example, a heterocyclic aromatic group such as a furyl group, a thienyl group, or a pyridyl group, A carbocyclic aromatic group.
In formula (1b), R ^{41 to} R ⁴⁸ are preferably each independently a hydrogen atom, a halogen atom, a cyano group, a nitro group, a substituted or unsubstituted alkyl group having 1 to 24 carbon atoms, or 1 to 24 carbon atoms. Substituted or unsubstituted alkoxy group, substituted or unsubstituted aryl group having 4 to 30 carbon atoms, substituted or unsubstituted aryloxy group having 4 to 30 carbon atoms, substituted or unsubstituted aralkyl having 5 to 30 carbon atoms An oxy group or a substituted amino group having 1 to 30 carbon atoms.
R ^{41 to} R ⁴⁸ are more preferably each independently a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, a cyano group, a substituted or unsubstituted alkyl group having 1 to 16 carbon atoms, or a C 1 to 16 carbon atom. A substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryl group having 6 to 24 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 24 carbon atoms, a substituted or unsubstituted aralkyloxy group having 7 to 24 carbon atoms Or a substituted amino group having 1 to 16 carbon atoms.
R ^{41 to} R ⁴⁸ are more preferably each independently a hydrogen atom, a fluorine atom, a bromine atom, a cyano group, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted group having 1 to 10 carbon atoms. A substituted alkoxy group, a substituted or unsubstituted aryl group having 6 to 16 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 16 carbon atoms, a substituted or unsubstituted aralkyloxy group having 7 to 16 carbon atoms, or A substituted amino group having 1 to 12 carbon atoms.
Specific examples of R ^{41 to} R ^{48 in} the formula (1b) are shown below.
Examples of the halogen atom include a fluorine atom, a chlorine atom, and a bromine atom. Examples of the unsubstituted alkyl group include a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, and an isobutyl group. , Sec-butyl group, tert-butyl group, n-pentyl group, isopentyl group, neopentyl group, tert-pentyl group, n-hexyl group, 1-methylpentyl group, 4-methyl-2-pentyl group, 2-ethylbutyl Group, n-heptyl group, 1-methylhexyl group, n-octyl group, 1-methylheptyl group, 2-ethylhexyl group, 2-propylpentyl group, n-nonyl group, 2,2-dimethylheptyl group, 2, 6-dimethyl-4-heptyl group, 3,5,5-trimethylhexyl group, n-decyl group, 1-ethyloctyl group, n-undecyl group, 1- Methyldecyl group, n-dodecyl group, n-tridecyl group, 1-hexylheptyl group, n-tetradecyl group, n-pentadecyl group, 1-heptyloctyl group, n-hexadecyl group, n-heptadecyl group, 1-octylnonyl group Carbon atoms such as n-octadecyl group, 1-nonyldecyl group, 1-decylundecyl group, n-eicosyl group, n-docosyl group, n-tetracosyl group, 1-adamantyl group, cyclopentyl group, cyclohexyl group, norbornyl group and hydrogen Examples include linear, branched or cyclic alkyl groups consisting of only atoms.
In the substituted alkyl group, examples of the substituent include an alkyloxy group having 1 to 16 carbon atoms, an alkyloxyalkyloxy group, an aralkyloxy group, an aryloxy group, an alkylthio group, a halogen atom, a halogenoalkyloxy group, and an aryloxy group. Is mentioned.
Specific examples of the alkyl group having a substituent include, for example, a methoxymethyl group, an ethoxymethyl group, an n-butoxymethyl group, an n-hexyloxymethyl group, a (2-ethylbutyloxy) methyl group, and an n-octyloxymethyl group. Group, n-decyloxymethyl group, 2-methoxyethyl group, 2-ethoxyethyl group, 2-n-propoxyethyl group, 2-isopropoxyethyl group, 2-n-butoxyethyl group, 2-n-pentyloxy Ethyl group, 2-n-hexyloxyethyl group, 2- (2′-ethylbutyloxy) ethyl group, 2-n-heptyloxyethyl group, 2-n-octyloxyethyl group, 2- (2′-ethylhexyl) Oxy) ethyl group, 2-n-decyloxyethyl group, 2-n-dodecyloxyethyl group, 2-n-tetradecyloxyethyl group, 2- Chlohexyloxyethyl group, 2-methoxypropyl group, 3-methoxypropyl group, 3-ethoxypropyl group, 3-n-propoxypropyl group, 3-isopropoxypropyl group, 3- (n-butoxy) propyl group, 3 -(N-pentyloxy) propyl group, 3- (n-hexyloxy) propyl group, 3- (2'-ethylbutoxy) propyl group, 3- (n-octyloxy) propyl group, 3- (2'- Ethylhexyloxy) propyl group, 3- (n-decyloxy) propyl group, 3- (n-dodecyloxy) propyl group, 3- (n-tetradecyloxy) propyl group, 3-cyclohexyloxypropyl group, 4-methoxybutyl Group, 4-ethoxybutyl group, 4-n-propoxybutyl group, 4-isopropoxybutyl group, 4-n-butoxybutyl group, -N-hexyloxybutyl group, 4-n-octyloxybutyl group, 4-n-decyloxybutyl group, 4-n-dodecyloxybutyl group, 5-methoxypentyl group, 5-ethoxypentyl group, 5-n -Propoxypentyl group, 6-ethoxyhexyl group, 6-isopropoxyhexyl group, 6-n-butoxyhexyl group, 6-n-hexyloxyhexyl group, 6-n-decyloxyhexyl group, 4-methoxycyclohexyl group, 7-ethoxyheptyl group, 7-isopropoxyheptyl group, 8-methoxyoctyl group, 10-methoxydecyl group, 10-n-butoxydecyl group, 12-ethoxydodecyl group, 12-isopropoxidedecyl group, tetrahydrofurfuryl group An alkyl group having an alkyloxy group, such as
For example, (2-methoxyethoxy) methyl group, (2-ethoxyethoxy) methyl group, (2-n-butyloxyethoxy) methyl group, (2-n-hexyloxyethoxy) methyl group, (3-methoxypropyloxy) ) Methyl group, (3-ethoxypropyloxy) methyl group, (3-n-butyloxypropyloxy) methyl group, (3-n-pentyloxypropyloxy) methyl group, (4-methoxybutyloxy) methyl group, (6-methoxyhexyloxy) methyl group, (10-ethoxydecyloxy) methyl group, 2- (2′-methoxyethoxy) ethyl group, 2- (2′-ethoxyethoxy) ethyl group, 2- (2′-) n-butoxyethoxy) ethyl group, 3- (2′-ethoxyethoxy) propyl group, 3- (2′-methoxypropyloxy) propyl group, 3- (2 Alkyl groups having an alkyloxyalkyloxy group, such as a '-isopropyloxypropyloxy) propyl group, a 3- (3'-methoxypropyloxy) propyl group, and a 3- (3'-ethoxypropyloxy) propyl group;
For example, benzyloxymethyl group, 2-benzyloxyethyl group, 2-phenethyloxyethyl group, 2- (4′-methylbenzyloxy) ethyl group, 2- (2′-methylbenzyloxy) ethyl group, 2- ( 4′-fluorobenzyloxy) ethyl group, 2- (4′-chlorobenzyloxy) ethyl group, 3-benzyloxypropyl group, 3- (4′-methoxybenzyloxy) propyl group, 4-benzyloxybutyl group, An alkyl group having an aralkyloxy group, such as a 2- (benzyloxymethoxy) ethyl group and a 2- (4′-methylbenzyloxymethoxy) ethyl group;
For example, phenyloxymethyl group, 4-methylphenyloxymethyl group, 3-methylphenyloxymethyl group, 2-methylphenyloxymethyl group, 4-methoxyphenyloxymethyl group, 4-fluorophenyloxymethyl group, 4-chlorophenyl Oxymethyl group, 2-chlorophenyloxymethyl group, 2-phenyloxyethyl group, 2- (4′-methylphenyloxy) ethyl group, 2- (4′-ethylphenyloxy) ethyl group, 2- (4′- Methoxyphenyloxy) ethyl group, 2- (4′-chlorophenyloxy) ethyl group, 2
-(4'-bromophenyloxy) ethyl group, 2- (1'-naphthyloxy) ethyl group, 2- (2'-naphthyloxy) ethyl group, 3-phenyloxypropyl group, 3- (2'-naphthyl) Oxy) propyl group, 4-phenyloxybutyl group, 4- (2′-ethylphenyloxy) butyl group, 5- (4′-tert-butylphenyloxy) pentyl group, 6- (2′-chlorophenyloxy) hexyl Group, 8-phenyloxyoctyl group, 10-phenyloxydecyl group, 10- (3′-chlorophenyloxy) decyl group, 2- (2′-phenyloxyethoxy) ethyl group, 3- (2′-phenyloxyethoxy) An alkyl group having an aryloxy group, such as a propyl group and a 4- (2′-phenyloxyethoxy) butyl group;
For example, n-butylthiomethyl group, n-hexylthiomethyl group, 2-methylthioethyl group, 2-ethylthioethyl group, 2-n-butylthioethyl group, 2-n-hexylthioethyl group, 2-n -Octylthioethyl group, 2-n-decylthioethyl group, 3-methylthiopropyl group, 3-ethylthiopropyl group, 3-n-butylthiopropyl group, 4-ethylthiobutyl group, 4-n-propylthio Alkylthio such as butyl group, 4-n-butylthiobutyl group, 5-ethylthiopentyl group, 6-methylthiohexyl group, 6-ethylthiohexyl group, 6-n-butylthiohexyl group, 8-methylthiooctyl group, etc. An alkyl group having a group;
For example, fluoromethyl group, 3-fluoropropyl group, 6-fluorohexyl group, 8-fluorooctyl group, trifluoromethyl group, 1,1-dihydro-perfluoroethyl group, 1,1-dihydro-perfluoro-n -Propyl group, 1,1,3-trihydro-perfluoro-n-propyl group, 2-hydro-perfluoro-2-propyl group, 1,1-dihydro-perfluoro-n-butyl group, 1,1- Dihydro-perfluoro-n-pentyl group, 1,1-dihydro-perfluoro-n-hexyl group, 6-fluorohexyl group, 4-fluorocyclohexyl group, 1,1-dihydro-perfluoro-n-octyl group, 1,1-dihydro-perfluoro-n-decyl group, 1,1-dihydro-perfluoro-n-dodecyl group, 1,1-dihydro-perfluoro group -N-tetradecyl group, 1,1-dihydro-perfluoro-n-hexadecyl group, perfluoroethyl group, perfluoro-n-propyl group, perfluoro-n-pentyl group, perfluoro-n-hexyl group, 2 , 2-bis (trifluoromethyl) propyl group, dichloromethyl group, 2-chloroethyl group, 3-chloropropyl group, 4-chlorocyclohexyl group, 7-chloroheptyl group, 8-chlorooctyl group, 2,2,2 -An alkyl group having a halogen atom, such as a trichloroethyl group;
For example, fluoromethyloxymethyl group, 3-fluoro-n-propyloxymethyl group, 6-fluoro-n-hexyloxymethyl group, trifluoromethyloxymethyl group, 1,1-dihydro-perfluoroethyloxymethyl group, 1,1-dihydro-perfluoro-n-propyloxymethyl group, 2-hydro-perfluoro-2-propyloxymethyl group, 1,1-dihydro-perfluoro-n-butyloxymethyl group, 1,1- Dihydro-perfluoro-n-pentyloxymethyl group, 1,1-dihydro-perfluoro-n-hexyloxymethyl group, 1,1-dihydro-perfluoro-n-octyloxymethyl group, 1,1-dihydride Rhoperfluoro-n-decyloxymethyl group, 1,1-dihydro-perfluoro-n-tetradecylo Cymethyl group, 2,2-bis (trifluoromethyl) propyloxymethyl group, 3-chloro-n-propyloxymethyl group, 2- (8-fluoro-n-octyloxy) ethyl group, 2- (1,1 -Dihydro-perfluoroethyloxy) ethyl group, 2- (1,1,3-trihydro-perfluoro-n-propyloxy) ethyl group, 2- (1,1-dihydro-perfluoro-n-pentyloxy) Ethyl group, 2- (6-fluoro-n-hexyloxy) ethyl group, 2- (1,1-dihydro-perfluoro-n-octyloxy) ethyl group, 3- (4-fluorocyclohexyloxy) propyl group, 3- (1,1-dihydro-perfluoroethyloxy) propyl group, 3- (1,1-dihydro-perfluoro-n-dodecyloxy) propyl group, 4- (par Fluoro-n-hexyloxy) butyl group, 4- (1,1-dihydro-perfluoroethyloxy) butyl group, 6- (2-chloroethyloxy) hexyl group, 6- (1,1-dihydro-perfluoro An alkyl group having a halogenoalkyloxy group, such as an ethyloxy) hexyl group;
For example, phenyloxymethyl group, 4-methylphenyloxymethyl group, 3-methylphenyloxymethyl group, 2-methylphenyloxymethyl group, 4-ethylphenyloxymethyl group, 4-n-propylphenyloxymethyl group, 4 -N-butylphenyloxymethyl group, 4-tert-butylphenyloxymethyl group, 4-n-hexylphenyloxymethyl group, 4-n-octylphenyloxymethyl group, 4-n-decylphenyloxymethyl group, 4 -Methoxyphenyloxymethyl group, 4-ethoxyphenyloxymethyl group, 4-butoxyphenyloxymethyl group, 4-n-pentyloxyphenyloxymethyl group, 4-fluorophenyloxymethyl group, 3-fluorophenyloxymethyl group, 2-Fluorophenyloxymethyl 3,4-difluorophenyloxymethyl group, 4-chlorophenyloxymethyl group, 2-chlorophenyloxymethyl group, 4-phenylphenyloxymethyl group, 1-naphthyloxymethyl group, 2-naphthyloxymethyl group, 2-furyl Oxymethyl group, 1-phenyloxyethyl group, 2-phenyloxyethyl group, 2- (4′-methylphenyloxy) ethyl group, 2- (4′-ethylphenyloxy) ethyl group, 2- (4′- n-hexylphenyloxy) ethyl group, 2- (4′-methoxyphenyloxy) ethyl group, 2- (4′-n-butoxyphenyloxy) ethyl group, 2- (4′-fluorophenyloxy) ethyl group, 2- (4′-chlorophenyloxy) ethyl group, 2- (4′-bromophenyloxy) ethyl group, 2- (1′-naphthylo) Ii) ethyl group, 2- (2'-naphthyloxy) ethyl group, 2-phenyloxypropyl group, 3-phenyloxypropyl group, 3- (4'-methylphenyloxy) propyl group, 3- (2'- Naphthyloxy) propyl group, 4-phenyloxybutyl group, 4- (2′-ethylphenyloxy) butyl group, 4-phenyloxypentyl group, 5-phenyloxypentyl group, 5- (4′-tert-butylphenyl) Oxy) pentyl group, 6-phenyloxyhexyl group, 6- (2′-chlorophenyloxy) hexyl group, 8-phenyloxyoctyl group, 10-phenyloxydecyl group, 10- (3′-methylphenyloxy) decyl group And an alkyl group having an aryloxy group.
The substituted or unsubstituted alkoxy group is an alkoxy group which may have a substituent similar to the alkyl group listed above, and an alkoxy group derived from the alkyl group shown as a specific example of the alkyl group is Can be mentioned.
Examples of the unsubstituted aryl group include a phenyl group, 1-naphthyl group, 2-naphthyl group, 2-anthracenyl group, 1-phenanthryl group, 2-phenanthryl group, 3-phenanthryl group, 1-pyrenyl group, 2- Examples include a pyrenyl group, a 2-perylenyl group, a 3-perylenyl group, a 2-fluoranthenyl group, a 3-fluoranthenyl group, a 7-fluoranthenyl group, and an 8-fluoranthenyl group.
In the substituted aryl group, examples of the substituent include an alkyl group having 1 to 10 carbon atoms, an alkoxy group, an aryloxy group, an aryl group, and a halogen atom.
Specific examples of the aryl group having a substituent include, for example, 1-methyl-2-pyrenyl group, 2-methylphenyl group, 4-ethylphenyl group, 4- (4′-tert-butylcyclohexyl) phenyl group, 3 An aryl group having an alkyl group such as a cyclohexylphenyl group, a 2-cyclohexylphenyl group, a 4-ethyl-1-naphthyl group, a 6-n-butyl-2-naphthyl group, or a 2,4-dimethylphenyl group;
For example, 4-methoxyphenyl group, 3-ethoxyphenyl group, 2-ethoxyphenyl group, 4-n-propoxyphenyl group, 3-n-propoxyphenyl group, 4-isopropoxyphenyl group, 3-isopropoxyphenyl group, Such as 2-isopropoxyphenyl group, 2-sec-butoxyphenyl group, 4-n-pentyloxyphenyl group, 4-isopentyloxyphenyl group, 2-methyl-5-methoxyphenyl group, 2-phenyloxyphenyl group, etc. An aryl group having an alkoxy group and an aryloxy group;
For example, 4-phenylphenyl group, 3-phenylphenyl group, 2-phenylphenyl group, 2,6-diphenylphenyl group, 4- (2′-naphthyl) phenyl group, 2-phenyl-1-naphthyl group, 1- An aryl group having an aryl group such as a phenyl-2-naphthyl group and a 7-phenyl-1-pyrenyl group;
For example, 4-fluorophenyl group, 3-fluorophenyl group, 2-fluorophenyl group, 4-chlorophenyl group, 4-bromophenyl group, 2-chloro-5-methylphenyl group, 2-chloro-6-methylphenyl group Aryl groups having a halogen atom such as 2-methyl-3-chlorophenyl group, 2-methoxy-4-fluorophenyl group, 2-fluoro-4-methoxyphenyl group;
Furthermore, 2-trifluoromethylphenyl group, 3-trifluoromethylphenyl group, 4-trifluoromethylphenyl group, 3,5-bistrifluoromethylphenyl group, 4-perfluoroethylphenyl group, 4-methylthiophenyl Group, 4-ethylthiophenyl group, 4-cyanophenyl group, 3-cyanophenyl group and the like.
The substituted or unsubstituted aryloxy group is an aryloxy group which may have a substituent similar to the substituted aryl group listed above, and is shown as a specific example of the substituted aryl group listed above. Examples thereof include a substituted or unsubstituted aryloxy group derived from a substituent.
Examples of the substituted or unsubstituted aralkyloxy group include benzyloxy group, α-methylbenzyloxy group, phenethyloxy group, α-methylphenethyloxy group, α, α-dimethylbenzyloxy group, α, α-dimethylphenethyl group. An aralkyloxy group having an unsubstituted or alkyl group, such as an oxy group, a 4-methylphenethyloxy group, a 4-methylbenzyloxy group, and a 4-isopropylbenzyloxy group;
An aralkyloxy group having an aryl group or an aralkyl group such as a 4-benzylbenzyloxy group, a 4-phenethylbenzyloxy group, and a 4-phenylbenzyloxy group;
4-methoxybenzyloxy group, 4-n-tetradecyloxybenzyloxy group, 4-n-heptadecyloxybenzyloxy group, 3,4-dimethoxybenzyloxy group, 4-methoxymethylbenzyloxy group, 4-vinyloxy An aralkyloxy group having a substituted oxy group such as a methylbenzyloxy group, 4-benzyloxybenzyloxy group, 4-phenethyloxybenzyloxy group;
An aralkyloxy group having a hydroxyl group such as a 4-hydroxybenzyloxy group and a 4-hydroxy-3-methoxybenzyloxy group;
An aralkyloxy group having a halogen atom such as a 4-fluorobenzyloxy group, a 3-chlorobenzyloxy group, or a 3,4-dichlorobenzyloxy group;
Examples include 2-furfuryloxy group, diphenylmethyloxy group, 1-naphthylmethyloxy group, 2-naphthylmethyloxy group and the like.
In the substituted amino group, examples of the substituent include an alkyl group having 1 to 14 carbon atoms, an aralkyl group, and an aryl group.
Specific examples of the amino group having a substituent include, for example, N-methylamino group, N-ethylamino group, Nn-butylamino group, N-cyclohexylamino group, Nn-octylamino group, N- an amino group having an alkyl group such as an n-decylamino group;
For example, N-benzylamino group, N-phenylamino group, N- (3-methylphenyl) amino group, N- (4-methylphenyl) amino group, N- (4-n-butylphenyl) amino group, N -(4-methoxyphenyl) amino group, N- (3-fluorophenyl) amino group, N- (4-chlorophenyl) amino group, N- (1-naphthyl) amino group, N- (2-naphthyl) amino group An amino group having an aralkyl group or an aryl group, such as
For example, N, N-dimethylamino group, N, N-diethylamino group, N, N-di-n-butylamino group, N, N-di-n-hexylamino group, N, N-di-n-octyl Amino group, N, N-di-n-decylamino group, N, N-di-n-dodecylamino group, N-methyl-N-ethylamino group, N-ethyl-Nn-butylamino group, N- Alkyl groups or aralkyl groups such as methyl-N-phenylamino group, N-ethyl-N-phenylamino group, Nn-butyl-N-phenylamino group;
For example, N, N-diphenylamino group, N, N-di (3-methylphenyl) amino group, N, N-di (4-methylphenyl) amino group, N, N-di (4-ethylphenyl) amino Group, N, N-di (4-tert-butylphenyl) amino group, N, N-di (4-n-hexylphenyl) amino group, N, N-di (4-methoxyphenyl) amino group, N, N-di (4-ethoxyphenyl) amino group, N, N-di (4-n-butoxyphenyl) amino group, N, N-di (4-n-hexyloxyphenyl) amino group, N, N-di (1-naphthyl) amino group, N, N-di (2-naphthyl) amino group, N-phenyl-N- (3-methylphenyl) amino group, N-phenyl-N- (4-methylphenyl) amino group N-phenyl-N- (4-octylphenyl) Mino group, N-phenyl-N- (4-methoxyphenyl) amino group, N-phenyl-N- (4-ethoxyphenyl) amino group, N-phenyl-N- (4-n-hexyloxyphenyl) amino group N-phenyl-N- (4-fluorophenyl) amino group, N-phenyl-N- (1-naphthyl) amino group, N-phenyl-N- (2-naphthyl) amino group, N-phenyl-N— Examples thereof include an amino group disubstituted by an aryl group such as a (3-phenylphenyl) amino group and an N-phenyl-N- (4-phenylphenyl) amino group.
In the formula (1b), M represents two hydrogen atoms, two monovalent metal atoms, a divalent metal atom, a trivalent substituted metal atom, or a metal oxide atom, more preferably two A hydrogen atom, a divalent metal atom, or a metal oxide atom, and more preferably a divalent metal atom or a metal oxide atom.
Examples of the monovalent metal atom represented by M include Na, K, and Li.
Examples of the divalent metal atom represented by M include Cu, Zn, Fe, Co, Ni, Ru, Rh, Pd, Pt, Mn, Mg, Ti, Be, Ca, Ba, Cd, Hg, and Pb. , Sn and the like.
Examples of the trivalent substituted metal atom represented by M include, for example, Al—Cl, Ga—Br, Ga—I, In—Cl, Al—C ₆ H ₅ , In—C ₆ H ₅ , Mn (OH). , Mn [OSi (CH ₃ ) ₃ ], Fe—Cl, and the like.
Examples of the metal oxide atom represented by M include VO, MnO, TiO and the like.
In the formula (1b), M is more preferably Cu, Zn, Fe, Co, Ni, Pd, Mn, Mg, VO and TiO, still more preferably Cu, Ni, Pd and VO. Cu, Pd and VO are preferable.

  Specific examples of the compound (1b) include compounds represented by the formula (2-1) to the formula (2-38).

  As the tetraazaporphyrin dye (Ab), those containing a compound represented by the formula (2-29) are preferable. A composition containing this tetraazaporphyrin dye can form a high-contrast coating film or pattern, and generates less foreign matter.

  The dye (Ac) is not particularly limited as long as it is a dye different from the xanthene dye (Aa) and the tetraazaporphyrin dye (Ab), and is an oil-soluble dye, acidic dye, basic dye, direct dye, mordant dye, acidic dye. Examples include dyes such as amine salts of dyes and sulfonamide derivatives of acid dyes. For example, dyes in the color index (published by The Society of Dyers and Colorists), that is, C.I. I. Examples include compounds classified as having a hue other than pigments, and known dyes described in dyeing notes (color dyeing company). Also, according to chemical structure, azo dye, cyanine dye, triphenylmethane dye, anthraquinone dye, phthalocyanine dye, naphthoquinone dye, quinoneimine dye, methine dye, azomethine dye, squarylium dye, acridine dye, styryl dye, coumarin dye, quinoline And dyes and nitro dyes. Of these, organic solvent-soluble dyes are preferred.

Specifically, C.I. I. Solvent Yellow 4, 14, 15, 23, 24, 38, 62, 63, 68, 82, 94, 98, 99, 162;
C. I. Solvent red 45, 49, 125, 130;
C. I. Solvent Orange 2, 7, 11, 15, 26, 56;
C. I. Solvent Blue 4, 5, 25, 35, 37, 45, 67, 70, 90;
C. I. Solvent Green 1, 4, 5, 7, 34, 35, etc. I. Solvent dyes,
C. I. Acid Yellow 1, 3, 7, 9, 11, 17, 23, 25, 29, 34, 36, 38, 40, 42, 54, 65, 72, 73, 76, 79, 98, 99, 111, 112, 113, 114, 116, 119, 123, 128, 134, 135, 138, 139, 140, 144, 150, 155, 157, 160, 161, 163, 168, 169, 172, 177, 178, 179, 184, 190, 193, 196, 197, 199, 202, 203, 204, 205, 207, 212, 214, 220, 221, 228, 230, 232, 235, 238, 240, 242, 243, 251;
C. I. Acid Red 1, 4, 8, 14, 17, 18, 26, 27, 29, 31, 34, 35, 37, 42, 44, 50, 57, 66, 73, 80, 81, 82, 83, 88, 97, 103, 111, 114, 129, 133, 134, 138, 143, 145, 150, 151, 158, 176, 182, 183, 195, 198, 206, 211, 215, 216, 217, 227, 228, 249,252,257,258,260,261,266,268,270,274,277,280,281,308,312,315,316,339,341,345,346,349,356,382,383, 394, 401, 412, 417, 418, 422, 426;
C. I. Acid Orange 6, 7, 8, 10, 12, 26, 50, 51, 52, 56, 62, 63, 64, 74, 75, 94, 95, 107, 108, 169, 173;
C. I. Acid Violet 6B, 7, 17, 19, 29, 31, 33, 34, 36, 36: 1, 39, 41, 42, 43, 47, 48, 51, 63, 76, 103, 109, 118, 126;
C. I. Acid Blue 2, 8, 14, 18, 23, 25, 27, 29, 35, 37, 41, 42, 43, 45, 47, 49, 50, 51, 52, 53, 55, 56, 57, 58, 59, 60, 62, 62: 1, 63, 64, 65, 68, 69, 70, 72, 74, 78, 79, 80, 81, 81: 1, 82, 87, 92, 96, 102, 111, 113, 117, 120, 122, 124, 126, 127, 127: 1, 129, 129: 1, 130, 131, 137, 138, 140, 142, 143, 145, 145: 1, 150, 151, 154, 158, 161, 166, 167, 168, 170, 171, 175, 176, 182, 183, 184, 187, 192, 198, 199, 203, 204, 205, 208, 210, 220 229,234,236,242,243,256,259,267,285,296,315,335;
C. I. Acid Green 1, 58, 63, 65, 80, 104, 105, 106, 109, etc. I. Acid dyes,
C. I. Direct Yellow 2, 33, 34, 35, 38, 39, 43, 47, 50, 54, 58, 68, 69, 70, 71, 86, 93, 94, 95, 98, 102, 108, 109, 129, 136, 138, 141;
C. I. Direct Red 79, 82, 83, 84, 91, 92, 96, 97, 98, 99, 105, 106, 107, 172, 173, 176, 177, 179, 181, 182, 184, 204, 207, 211, 213, 218, 220, 221, 222, 232, 233, 234, 241, 243, 246, 250;
C. I. Direct Orange 34, 39, 41, 46, 50, 52, 56, 57, 61, 64, 65, 68, 70, 96, 97, 106, 107;
C. I. Direct violet 47, 52, 54, 59, 60, 65, 66, 79, 80, 81, 82, 84, 89, 90, 93, 95, 96, 103, 104;
C. I. Direct Blue 2, 6, 8, 15, 22, 25, 57, 71, 76, 78, 80, 81, 84, 85, 86, 90, 93, 94, 95, 97, 98, 99, 100, 101, 106, 107, 108, 109, 113, 114, 115, 117, 119, 120, 137, 149, 150, 153, 155, 156, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 170, 171, 172, 173, 188, 189, 190, 192, 193, 194, 195, 196, 198, 199, 200, 201, 202, 203, 207, 209, 210, 212, 213, 214, 222, 225, 226, 228, 229, 236, 237, 238, 242, 243, 244, 245, 24 , 247,248,249,250,251,252,256,257,259,260,268,274,275,293;
C. I. Direct green 25, 27, 31, 32, 34, 37, 63, 65, 66, 67, 68, 69, 72, 77, 79, 82, etc. I. Direct dyes,
C. I. Basic Blue 1, 3, 5, 9, 19, 24, 25, 26, 28, 29, 40, 41, 54, 58, 59, 64, 65, 66, 67, 68;
C. I. Modern yellow 5, 8, 10, 16, 20, 26, 30, 31, 33, 42, 43, 45, 56, 61, 62, 65;
C. I. Modern Red 1, 2, 3, 4, 9, 11, 12, 14, 17, 18, 19, 22, 23, 24, 25, 26, 30, 32, 33, 36, 37, 38, 39, 41 43, 45, 46, 48, 53, 56, 63, 71, 74, 85, 86, 88, 90, 94, 95;
C. I. Modern orange 3, 4, 5, 8, 12, 13, 14, 20, 21, 23, 24, 28, 29, 32, 34, 35, 36, 37, 42, 43, 47, 48;
C. I. Modern violet 1, 2, 4, 5, 7, 14, 22, 24, 30, 31, 32, 37, 40, 41, 44, 45, 47, 48, 53, 58;
C. I. Modern Blue 1, 2, 3, 7, 9, 12, 13, 15, 16, 19, 20, 21, 22, 26, 30, 31, 39, 40, 41, 43, 44, 49, 53, 61 74, 77, 83, 84;
C. I. Modern Green 1, 3, 4, 5, 10, 15, 26, 29, 33, 34, 35, 41, 43, 53, etc. I. Examples include modern dyes.

The pigment (Ad) is not particularly limited, and a known pigment can be used. Examples thereof include pigments classified as pigments according to a color index (published by The Society of Dyers and Colorists).
Examples of the pigment include C.I. I. Pigment Yellow 1, 3, 12, 13, 14, 15, 16, 17, 20, 24, 31, 53, 83, 86, 93, 94, 109, 110, 117, 125, 128, 137, 138, 139, Yellow pigments such as 147, 148, 150, 153, 154, 166, 173, 194, 214;
C. I. Orange pigments such as CI Pigment Orange 13, 31, 36, 38, 40, 42, 43, 51, 55, 59, 61, 64, 65, 71, 73;
C. I. Red pigments such as CI Pigment Red 9, 97, 105, 122, 123, 144, 149, 166, 168, 176, 177, 180, 192, 209, 215, 216, 224, 242, 254, 255, 264, 265;
C. I. Blue pigments such as CI Pigment Blue 15, 15: 3, 15: 4, 15: 6, 60; I. Violet color pigments such as CI Pigment Violet 1, 19, 23, 29, 32, 36, 38;
C. I. Green pigments such as CI Pigment Green 7, 36, 58;
C. I. Brown pigments such as CI Pigment Brown 23 and 25;
C. I. And black pigments such as CI Pigment Black 1 and 7.

  Examples of the pigment include C.I. I. Blue pigments such as CI Pigment Blue 15, 15: 3, 15: 4, 15: 6, 60; I. Violet color pigments such as CI Pigment Violet 1, 19, 23, 29, 32, 36, and 38 are preferred. I. Pigment blue 15: 3, 15: 6 and C.I. I. Pigment Violet 23 is more preferable, and C.I. I. Pigment Blue 15: 6 is more preferable. By including the pigment, the transmission spectrum can be easily optimized, and the light resistance and chemical resistance of the color filter are improved.

If necessary, the pigment can be atomized by rosin treatment, surface treatment using a pigment derivative having an acidic group or basic group introduced, graft treatment on the pigment surface with a polymer compound, sulfuric acid atomization method, etc. A treatment, a cleaning treatment with an organic solvent or water for removing impurities, a removal treatment with an ion exchange method of ionic impurities, or the like may be performed.
The pigment preferably has a uniform particle size. By carrying out a dispersion treatment by containing a pigment dispersant, a pigment dispersion in which the pigment is uniformly dispersed in the solution can be obtained.

Examples of the pigment dispersant include cationic dispersants such as cationic, anionic, nonionic, amphoteric, polyester, polyamine, and acrylic pigments. These pigment dispersants may be used alone or in combination of two or more. As a pigment dispersant, KP (manufactured by Shin-Etsu Chemical Co., Ltd.), Floren (manufactured by Kyoeisha Chemical Co., Ltd.), Solsperse (manufactured by Geneca Co., Ltd.), EFKA (manufactured by BASF), Ajispur (Ajinomoto Fine) (Techno Co., Ltd.), Disperbyk (Bic Chemie) and the like.
When the pigment dispersant is used, the amount used is preferably 1% by mass or more and 100% by mass or less, and more preferably 5% by mass or more and 50% by mass or less, based on the total amount of the pigment (Ad). When the amount of the pigment dispersant used is in the above range, there is a tendency that a pigment dispersion in a uniform dispersion state is obtained.

The content of the xanthene dye (Aa) is preferably 0.1% by mass or more and 50% by mass or less, and more preferably 0.5% by mass or more and 50% by mass or less with respect to the total amount of the colorant (A).
The content of the tetraazaporphyrin dye (Ab) is preferably 1 part by mass or more and 100 parts by mass or less, and more preferably 10 parts by mass or more and 100 parts by mass or less with respect to 100 parts by mass of the xanthene dye (Aa).
10 mass% or more and 99.9 mass% or less are preferable with respect to the total amount of a coloring agent (A), and, as for content of a pigment (Ad), 30 mass% or more and 99 mass% or less are more preferable.
When the colorant (A) contains a dye (Ac), the content of the dye (Ac) is preferably 0.1% by mass or more and 50% by mass or less with respect to the total amount of the colorant (A). More preferably, it is at least 30% by mass.

The colorant (A) is preferably composed of a xanthene dye (Aa), a tetraazaporphyrin dye (Ab), and a pigment (Ad). In this case, the content of each of these components with respect to the total amount of the colorant (A),
Xanthene dye (Aa); 0.1% by mass to 50% by mass Tetraazaporphyrin dye (Ab); 0.1% by mass to 50% by mass Pigment (Ad); 49.9% by mass to 99.8% by mass It is preferable that
Xanthene dye (Aa); 0.5% by mass or more and 50% by mass or less Tetraazaporphyrin dye (Ab); 0.5% by mass or more and 50% by mass or less Pigment (Ad); 49.5% by mass or more and 99% by mass or less More preferably.

  The content of the colorant (A) is preferably 5 to 60% by mass, more preferably 8 to 55% by mass, and further preferably 10 to 50% by mass with respect to the total amount of the solid content. When the content of the colorant (A) is in the above range, the color density when it is used as a color filter is sufficient, and the resin (B) and the polymerizable compound (C) are contained in a necessary amount in the composition. Therefore, a pattern with sufficient mechanical strength can be formed. Here, the “total amount of solid content” in this specification refers to an amount obtained by removing the content of the solvent from the total amount of the colored curable resin composition. The total amount of solids and the content of each component relative thereto can be measured by known analytical means such as liquid chromatography or gas chromatography, for example.

<Resin (B)>
The resin (B) is not particularly limited, but is preferably an alkali-soluble resin. Examples of the resin (B) include the following resins [K1] to [K6].
Resin [K1]; at least one (a) selected from the group consisting of an unsaturated carboxylic acid and an unsaturated carboxylic acid anhydride (hereinafter sometimes referred to as “(a)”), and a cyclic ether having 2 to 4 carbon atoms A copolymer of a monomer (b) having a structure and an ethylenically unsaturated bond (hereinafter sometimes referred to as “(b)”);
Resin [K2]; (a) and (b), monomer (c) copolymerizable with (a) (however, different from (a) and (b)) (hereinafter referred to as “(c)”) In some cases)
Resin [K3]; Copolymer of (a) and (c);
Resin [K4]; a resin obtained by reacting (b) with a copolymer of (a) and (c);
Resin [K5]; a resin obtained by reacting (a) with a copolymer of (b) and (c);
Resin [K6]: a resin obtained by reacting (a) with a copolymer of (b) and (c) and further reacting with a carboxylic acid anhydride.

Specific examples of (a) include unsaturated monocarboxylic acids such as acrylic acid, methacrylic acid, crotonic acid, o-, m-, and p-vinylbenzoic acid;
Maleic acid, fumaric acid, citraconic acid, mesaconic acid, itaconic acid, 3-vinylphthalic acid, 4-vinylphthalic acid, 3,4,5,6-tetrahydrophthalic acid, 1,2,3,6-tetrahydrophthalic acid, dimethyl Unsaturated dicarboxylic acids such as tetrahydrophthalic acid and 1,4-cyclohexene dicarboxylic acid;
Methyl-5-norbornene-2,3-dicarboxylic acid, 5-carboxybicyclo [2.2.1] hept-2-ene, 5,6-dicarboxybicyclo [2.2.1] hept-2-ene, 5-carboxy-5-methylbicyclo [2.2.1] hept-2-ene, 5-carboxy-5-ethylbicyclo [2.2.1] hept-2-ene, 5-carboxy-6-methylbicyclo Bicyclounsaturated compounds containing a carboxy group such as [2.2.1] hept-2-ene, 5-carboxy-6-ethylbicyclo [2.2.1] hept-2-ene;
Maleic anhydride, citraconic anhydride, itaconic anhydride, 3-vinylphthalic anhydride, 4-vinylphthalic anhydride, 3,4,5,6-tetrahydrophthalic anhydride, 1,2,3,6- Unsaturated dicarboxylic acid anhydrides such as tetrahydrophthalic anhydride, dimethyltetrahydrophthalic anhydride, 5,6-dicarboxybicyclo [2.2.1] hept-2-ene anhydride;
Unsaturated mono [(meth) acryloyloxyalkyl] esters of polyvalent carboxylic acids such as succinic acid mono [2- (meth) acryloyloxyethyl] and phthalic acid mono [2- (meth) acryloyloxyethyl] Kind;
Examples thereof include unsaturated acrylates containing a hydroxy group and a carboxy group in the same molecule, such as α- (hydroxymethyl) acrylic acid.
Of these, acrylic acid, methacrylic acid, maleic anhydride and the like are preferable from the viewpoint of copolymerization reactivity and the solubility of the resulting resin in an alkaline aqueous solution.

(B) is, for example, a polymerizable compound having a C2-C4 cyclic ether structure (for example, at least one selected from the group consisting of an oxirane ring, an oxetane ring and a tetrahydrofuran ring) and an ethylenically unsaturated bond. Say. (B) is preferably a monomer having a C2-C4 cyclic ether and a (meth) acryloyloxy group.
In the present specification, “(meth) acrylic acid” represents at least one selected from the group consisting of acrylic acid and methacrylic acid. Notations such as “(meth) acryloyl” and “(meth) acrylate” have the same meaning.

  Examples of (b) include a monomer (b1) having an oxiranyl group and an ethylenically unsaturated bond (hereinafter sometimes referred to as “(b1)”), and a single monomer having an oxetanyl group and an ethylenically unsaturated bond. Monomer (b2) (hereinafter sometimes referred to as “(b2)”), monomer (b3) having a tetrahydrofuryl group and an ethylenically unsaturated bond (hereinafter sometimes referred to as “(b3)”), etc. Can be mentioned.

  As (b1), for example, a monomer (b1-1) having a structure in which a linear or branched aliphatic unsaturated hydrocarbon is epoxidized (hereinafter referred to as “(b1-1)”) And a monomer (b1-2) having a structure in which an alicyclic unsaturated hydrocarbon is epoxidized (hereinafter sometimes referred to as “(b1-2)”).

  As (b1-1), glycidyl (meth) acrylate, β-methylglycidyl (meth) acrylate, β-ethylglycidyl (meth) acrylate, glycidyl vinyl ether, o-vinylbenzyl glycidyl ether, m-vinylbenzyl glycidyl ether, p -Vinylbenzyl glycidyl ether, α-methyl-o-vinylbenzyl glycidyl ether, α-methyl-m-vinylbenzyl glycidyl ether, α-methyl-p-vinylbenzyl glycidyl ether, 2,3-bis (glycidyloxymethyl) styrene 2,4-bis (glycidyloxymethyl) styrene, 2,5-bis (glycidyloxymethyl) styrene, 2,6-bis (glycidyloxymethyl) styrene, 2,3,4-tris (glycidyloxymethyl) styrene 2,3,5-tris (glycidyloxymethyl) styrene, 2,3,6-tris (glycidyloxymethyl) styrene, 3,4,5-tris (glycidyloxymethyl) styrene, 2,4,6- Examples include tris (glycidyloxymethyl) styrene.

  Examples of (b1-2) include vinylcyclohexene monooxide, 1,2-epoxy-4-vinylcyclohexane (for example, Celoxide 2000; manufactured by Daicel Corporation), 3,4-epoxycyclohexylmethyl (meth) acrylate (for example, Cyclomer A400; manufactured by Daicel Corporation), 3,4-epoxycyclohexylmethyl (meth) acrylate (for example, Cyclomer M100; manufactured by Daicel Corporation), a compound represented by Formula (I), Formula (II) The compound etc. which are represented by these are mentioned.

[In Formula (I) and Formula (II), R ^a and R ^b represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, and the hydrogen atom contained in the alkyl group is substituted with a hydroxy group. May be.
X ^a and ^{X b} is a single ^{bond, -R c -, * - R} c -O -, * - represents the R c -S- or ^* -R c -NH-.
R ^c represents an alkanediyl group having 1 to 6 carbon atoms.
* Represents a bond with O. ]

Examples of the alkyl group having 1 to 4 carbon atoms include a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, a sec-butyl group, and a tert-butyl group.
Examples of the alkyl group in which a hydrogen atom is substituted with hydroxy include hydroxymethyl group, 1-hydroxyethyl group, 2-hydroxyethyl group, 1-hydroxypropyl group, 2-hydroxypropyl group, 3-hydroxypropyl group, 1-hydroxy Examples include a -1-methylethyl group, a 2-hydroxy-1-methylethyl group, a 1-hydroxybutyl group, a 2-hydroxybutyl group, a 3-hydroxybutyl group, and a 4-hydroxybutyl group.
R ^a and R ^b are preferably a hydrogen atom, a methyl group, a hydroxymethyl group, a 1-hydroxyethyl group and a 2-hydroxyethyl group, more preferably a hydrogen atom and a methyl group.

Examples of the alkanediyl group include methylene group, ethylene group, propane-1,2-diyl group, propane-1,3-diyl group, butane-1,4-diyl group, pentane-1,5-diyl group, hexane- Examples include 1,6-diyl group.
X ^a and X ^b are preferably a single bond, a methylene group, an ethylene group, * —CH ₂ —O— and * —CH ₂ CH ₂ —O—, and more preferably a single bond and * —CH _2. CH ₂ —O— (* represents a bond with O).

  Examples of the compound represented by the formula (I) include compounds represented by any one of the formulas (I-1) to (I-15). Among them, formula (I-1), formula (I-3), formula (I-5), formula (I-7), formula (I-9), or formula (I-11) to formula (I-15) A compound represented by formula (I-1), formula (I-7), formula (I-9) or formula (I-15) is more preferred.

  Examples of the compound represented by the formula (II) include compounds represented by any one of the formulas (II-1) to (II-15). Among them, formula (II-1), formula (II-3), formula (II-5), formula (II-7), formula (II-9) or formula (II-11) to formula (II-15) A compound represented by formula (II-1), formula (II-7), formula (II-9) or formula (II-15) is more preferred.

  The compound represented by the formula (I) and the compound represented by the formula (II) may be used alone or in combination of two or more. When the compound represented by the formula (I) and the compound represented by the formula (II) are used in combination, the content ratio thereof [the compound represented by the formula (I): the compound represented by the formula (II)] is: On a molar basis, it is preferably 5:95 to 95: 5, more preferably 20:80 to 80:20.

  (B2) is more preferably a monomer having an oxetanyl group and a (meth) acryloyloxy group. (B2) includes 3-methyl-3-methacryloyloxymethyloxetane, 3-methyl-3-acryloyloxymethyloxetane, 3-ethyl-3-methacryloyloxymethyloxetane, 3-ethyl-3-acryloyloxymethyloxetane , 3-methyl-3-methacryloyloxyethyl oxetane, 3-methyl-3-acryloyloxyethyl oxetane, 3-ethyl-3-methacryloyloxyethyl oxetane, 3-ethyl-3-acryloyloxyethyl oxetane, and the like.

  (B3) is more preferably a monomer having a tetrahydrofuryl group and a (meth) acryloyloxy group. Specific examples of (b3) include tetrahydrofurfuryl acrylate (for example, Biscoat V # 150, manufactured by Osaka Organic Chemical Industry Co., Ltd.), tetrahydrofurfuryl methacrylate, and the like.

  (B) is preferably (b1) in that the color filter obtained can have higher reliability such as heat resistance and chemical resistance. Furthermore, (b1-2) is more preferable in that the storage stability of the colored curable resin composition is excellent.

Examples of (c) include methyl (meth) acrylate, ethyl (meth) acrylate, n-butyl (meth) acrylate, sec-butyl (meth) acrylate, tert-butyl (meth) acrylate, and 2-ethylhexyl (meth). Acrylate, dodecyl (meth) acrylate, lauryl (meth) acrylate, stearyl (meth) acrylate, cyclopentyl (meth) acrylate, cyclohexyl (meth) acrylate, 2-methylcyclohexyl (meth) acrylate, tricyclo [5.2.1.0 ^2,6 ] decan-8-yl (meth) acrylate (in this technical field, it is called “dicyclopentanyl (meth) acrylate” as a common name. In the case of “tricyclodecyl (meth) acrylate”) There is a bird) Black (in the art, it is said that "dicyclopentenyl (meth) acrylate" as trivial name.) [5.2.1.0 ^2,6] decene-8-yl (meth) acrylate, dicyclopenta Nyloxyethyl (meth) acrylate, isobornyl (meth) acrylate, adamantyl (meth) acrylate, allyl (meth) acrylate, propargyl (meth) acrylate, phenyl (meth) acrylate, naphthyl (meth) acrylate, benzyl (meth) acrylate, etc. (Meth) acrylic acid esters of
Hydroxy group-containing (meth) acrylic acid esters such as 2-hydroxyethyl (meth) acrylate and 2-hydroxypropyl (meth) acrylate;
Dicarboxylic acid diesters such as diethyl maleate, diethyl fumarate, diethyl itaconate;
Bicyclo [2.2.1] hept-2-ene, 5-methylbicyclo [2.2.1] hept-2-ene, 5-ethylbicyclo [2.2.1] hept-2-ene, 5- Hydroxybicyclo [2.2.1] hept-2-ene, 5-hydroxymethylbicyclo [2.2.1] hept-2-ene, 5- (2′-hydroxyethyl) bicyclo [2.2.1] Hept-2-ene, 5-methoxybicyclo [2.2.1] hept-2-ene, 5-ethoxybicyclo [2.2.1] hept-2-ene, 5,6-dihydroxybicyclo [2.2 .1] Hept-2-ene, 5,6-di (hydroxymethyl) bicyclo [2.2.1] hept-2-ene, 5,6-di (2′-hydroxyethyl) bicyclo [2.2. 1] hept-2-ene, 5,6-dimethoxybicyclo [2.2 1] hept-2-ene, 5,6-diethoxybicyclo [2.2.1] hept-2-ene, 5-hydroxy-5-methylbicyclo [2.2.1] hept-2-ene, 5 -Hydroxy-5-ethylbicyclo [2.2.1] hept-2-ene, 5-hydroxymethyl-5-methylbicyclo [2.2.1] hept-2-ene, 5-tert-butoxycarbonylbicyclo [ 2.2.1] Hept-2-ene, 5-cyclohexyloxycarbonylbicyclo [2.2.1] hept-2-ene, 5-phenoxycarbonylbicyclo [2.2.1] hept-2-ene, 5 , 6-bis (tert-butoxycarbonyl) bicyclo [2.2.1] hept-2-ene, 5,6-bis (cyclohexyloxycarbonyl) bicyclo [2.2.1] hept-2-ene, etc. Bicyclounsaturated compounds;
N-phenylmaleimide, N-cyclohexylmaleimide, N-benzylmaleimide, N-succinimidyl-3-maleimidobenzoate, N-succinimidyl-4-maleimidobutyrate, N-succinimidyl-6-maleimidocaproate, N-succinimidyl-3 -Dicarbonylimide derivatives such as maleimide propionate, N- (9-acridinyl) maleimide;
Styrene, α-methylstyrene, m-methylstyrene, p-methylstyrene, vinyl toluene, p-methoxystyrene, acrylonitrile, methacrylonitrile, vinyl chloride, vinylidene chloride, acrylamide, methacrylamide, vinyl acetate, 1,3-butadiene , Isoprene, 2,3-dimethyl-1,3-butadiene and the like.
Among these, styrene, vinyltoluene, N-phenylmaleimide, N-cyclohexylmaleimide, N-benzylmaleimide, bicyclo [2.2.1] hept-2-ene and the like are preferable from the viewpoint of copolymerization reactivity and heat resistance. preferable.

In the resin [K1], the ratio of the structural unit derived from each is the total structural unit constituting the resin [K1]
Structural unit derived from (a); 2 to 60 mol%
Structural unit derived from (b); 40-98 mol%
It is preferable that
Structural unit derived from (a); 10-50 mol%
Structural unit derived from (b); 50-90 mol%
It is more preferable that
When the ratio of the structural unit of the resin [K1] is in the above range, the storage stability of the colored curable resin composition, the developability when forming a colored pattern, and the solvent resistance of the resulting color filter are excellent. Tend.

  The resin [K1] is, for example, a method described in the document “Experimental Method for Polymer Synthesis” (Takayuki Otsu, published by Kagaku Dojin Co., Ltd., First Edition, First Edition, issued March 1, 1972) and the document Can be produced with reference to the cited references described in 1.

  Specifically, a predetermined amount of (a) and (b), a polymerization initiator, a solvent, and the like are placed in a reaction vessel, for example, by substituting oxygen with nitrogen to create a deoxygenated atmosphere, with stirring, The method of heating and heat retention is mentioned. In addition, the polymerization initiator, the solvent, and the like used here are not particularly limited, and those usually used in the field can be used. For example, as polymerization initiators, azo compounds (2,2′-azobisisobutyronitrile, 2,2′-azobis (2,4-dimethylvaleronitrile), etc.) and organic peroxides (benzoyl peroxide, etc.) As the solvent, any solvent that dissolves each monomer may be used. Examples of the solvent (E) for the colored curable resin composition of the present invention include a solvent described later.

  In addition, the obtained copolymer may use the solution after reaction as it is, a concentrated or diluted solution may be used, and it took out as solid (powder) by methods, such as reprecipitation. Things may be used. In particular, by using the solvent contained in the colored curable resin composition of the present invention as a solvent during the polymerization, the solution after the reaction is used as it is for the preparation of the colored curable resin composition of the present invention. Therefore, the manufacturing process of the colored curable resin composition of the present invention can be simplified.

In the resin [K2], the ratio of the structural units derived from each of the structural units in the resin [K2]
Structural unit derived from (a); 2-45 mol%
Structural unit derived from (b); 2 to 95 mol%
Structural unit derived from (c); 1 to 65 mol%
It is preferable that
Structural unit derived from (a); 5 to 40 mol%
Structural unit derived from (b); 5 to 80 mol%
Structural unit derived from (c); 5 to 60 mol%
It is more preferable that
When the ratio of the structural unit of the resin [K2] is in the above range, the storage stability of the colored curable resin composition, the developability when forming a colored pattern, and the solvent resistance of the resulting color filter, There is a tendency to be excellent in heat resistance and mechanical strength.

  Resin [K2] can be produced, for example, in the same manner as the method described as the production method of resin [K1].

In the resin [K3], the proportion of structural units derived from each of the structural units constituting the resin [K3]
Structural unit derived from (a); 2 to 60 mol%
Structural unit derived from (c); 40 to 98 mol%
It is preferable that
Structural unit derived from (a); 10-50 mol%
Structural unit derived from (c); 50-90 mol%
It is more preferable that
Resin [K3] can be produced, for example, in the same manner as described for the production method of resin [K1].

Resin [K4] obtains a copolymer of (a) and (c), and (a) has a carboxylic acid and / or carboxylic acid anhydride having (a) a cyclic ether having 2 to 4 carbon atoms that (b) has It can manufacture by adding to.
First, a copolymer of (a) and (c) is produced in the same manner as described in the method for producing resin [K1]. In this case, it is preferable that the ratio of the structural units derived from each is the same as that described for the resin [K3].

Next, the C2-C4 cyclic ether which (b) has is reacted with a part of the carboxylic acid and / or carboxylic anhydride derived from (a) in the copolymer.
Subsequent to the production of the copolymer of (a) and (c), the atmosphere in the flask is replaced from nitrogen to air, and (b) a reaction catalyst of carboxylic acid or carboxylic anhydride and cyclic ether (for example, tris ( Dimethylaminomethyl) phenol, etc.) and a polymerization inhibitor (eg, hydroquinone, etc.) are placed in a flask and reacted, for example, at 60-130 ° C. for 1-10 hours to produce resin [K4]. it can.
The amount of (b) used is preferably 5 to 80 mol, more preferably 10 to 75 mol, per 100 mol of (a). By making it within this range, the storage stability of the colored curable resin composition, the developability when forming the pattern, and the balance of the solvent resistance, heat resistance, mechanical strength and sensitivity of the resulting pattern are improved. Tend. Since the reactivity of the cyclic ether is high and unreacted (b) hardly remains, (b1) is preferable as (b) used for the resin [K4], and (b1-1) is more preferable.
The amount of the reaction catalyst used is preferably 0.001 to 5 parts by mass with respect to 100 parts by mass of the total amount of (a), (b) and (c). The amount of the polymerization inhibitor used is preferably 0.001 to 5 parts by mass with respect to 100 parts by mass of the total amount of (a), (b) and (c).
The reaction conditions such as the charging method, reaction temperature, and time can be appropriately adjusted in consideration of the production equipment and the amount of heat generated by polymerization. In addition, like the polymerization conditions, the charging method and the reaction temperature can be appropriately adjusted in consideration of the production equipment, the amount of heat generated by the polymerization, and the like.

Resin [K5] obtains a copolymer of (b) and (c) as a first step in the same manner as in the method for producing resin [K1] described above. Similarly to the above, the obtained copolymer may be used as it is after the reaction, or may be a concentrated or diluted solution, or may be solid (powder) by a method such as reprecipitation. You may use what was taken out as.
The ratio of the structural units derived from (b) and (c) is respectively based on the total number of moles of all the structural units constituting the copolymer.
Structural unit derived from (b); 5-95 mol%
Structural unit derived from (c); 5-95 mol%
It is preferable that
Structural unit derived from (b); 10-90 mol%
Structural unit derived from (c); 10 to 90 mol%
It is more preferable that

Further, under the same conditions as in the method for producing the resin [K4], the cyclic ether derived from (b) of the copolymer of (b) and (c) is added to the carboxylic acid or carboxylic acid anhydride of (a). Resin [K5] can be obtained by reacting the product.
As for the usage-amount of (a) made to react with the said copolymer, 5-80 mol is preferable with respect to 100 mol of (b). Since the reactivity of the cyclic ether is high and unreacted (b) hardly remains, (b1) is preferable as (b) used for the resin [K5], and (b1-1) is more preferable.

Resin [K6] is a resin obtained by further reacting carboxylic anhydride with resin [K5].
Carboxylic anhydride is reacted with a hydroxy group generated by reaction of cyclic ether with carboxylic acid or carboxylic anhydride.
Carboxylic anhydrides include maleic anhydride, citraconic anhydride, itaconic anhydride, 3-vinylphthalic anhydride, 4-vinylphthalic anhydride, 3,4,5,6-tetrahydrophthalic anhydride, 1 2,3,6-tetrahydrophthalic anhydride, dimethyltetrahydrophthalic anhydride, 5,6-dicarboxybicyclo [2.2.1] hept-2-ene anhydride (highmic acid anhydride) and the like. It is done. As for the usage-amount of carboxylic acid anhydride, 0.5-1 mol is preferable with respect to 1 mol of usage-amount of (a).

Specific examples of the resin (B) include 3,4-epoxycyclohexylmethyl (meth) acrylate / (meth) acrylic acid copolymer, 3,4-epoxytricyclo [5.2.1.0 ^2.6. ] Resin such as decyl acrylate / (meth) acrylic acid copolymer [K1]; glycidyl (meth) acrylate / benzyl (meth) acrylate / (meth) acrylic acid copolymer, glycidyl (meth) acrylate / styrene / (meta ) Acrylic acid copolymer, 3,4-epoxytricyclo [5.2.1.0 ^2.6 ] decyl acrylate / (meth) acrylic acid / N-cyclohexylmaleimide copolymer, 3-methyl-3- ( Resin [K2] such as (meth) acryloyloxymethyloxetane / (meth) acrylic acid / styrene copolymer; benzyl (meth) acrylate / Glycidyl (meth) acrylate was added to resin [K3]; benzyl (meth) acrylate / (meth) acrylic acid copolymer such as (meth) acrylic acid copolymer and styrene / (meth) acrylic acid copolymer Resin, tricyclodecyl (meth) acrylate / styrene / (meth) acrylic acid copolymer added with glycidyl (meth) acrylate, tricyclodecyl (meth) acrylate / benzyl (meth) acrylate / (meth) acrylic Resins such as resins obtained by adding glycidyl (meth) acrylate to an acid copolymer [K4]; resins obtained by reacting a copolymer of tricyclodecyl (meth) acrylate / glycidyl (meth) acrylate with (meth) acrylic acid , Tricyclodecyl (meth) acrylate / styrene / glycidyl (meth) acrylate Resin [K5] such as a resin obtained by reacting a copolymer with (meth) acrylic acid; a resin obtained by reacting a copolymer of tricyclodecyl (meth) acrylate / glycidyl (meth) acrylate with (meth) acrylic acid Furthermore, resin [K6] such as a resin obtained by reacting tetrahydrophthalic anhydride may be used.
Especially, as resin (B), resin [K1] and resin [K2] are preferable.

The polystyrene equivalent weight average molecular weight of the resin (B) is preferably 3,000 to 100,000, more preferably 5,000 to 50,000, and further preferably 5,000 to 30,000. . When the molecular weight is within the above range, the hardness of the color filter is improved, the residual film ratio is high, the solubility of the unexposed portion in the developer is good, and the resolution of the colored pattern tends to be improved.
The molecular weight distribution [weight average molecular weight (Mw) / number average molecular weight (Mn)] of the resin (B) is preferably 1.1 to 6, and more preferably 1.2 to 4.

  The acid value of the resin (B) is preferably 50 to 170 mg-KOH / g, more preferably 60 to 150 mg-KOH / g, and still more preferably 70 to 135 mg-KOH / g. Here, the acid value is a value measured as the amount (mg) of potassium hydroxide necessary to neutralize 1 g of the resin (B), and can be determined by titration with an aqueous potassium hydroxide solution, for example.

  Content of resin (B) becomes like this. Preferably it is 7-65 mass% with respect to the total amount of solid content, More preferably, it is 13-60 mass%, More preferably, it is 17-55 mass%. When the content of the resin (B) is within the above range, a colored pattern can be formed, and the resolution of the colored pattern and the remaining film rate tend to be improved.

<Polymerizable compound (C)>
The polymerizable compound (C) is a compound that can be polymerized by an active radical and / or an acid generated from the polymerization initiator (D), and examples thereof include a compound having a polymerizable ethylenically unsaturated bond. Is a (meth) acrylic acid ester compound.

Especially, it is preferable that a polymeric compound (C) is a polymeric compound which has 3 or more of ethylenically unsaturated bonds. Examples of such polymerizable compounds include trimethylolpropane tri (meth) acrylate, pentaerythritol tri (meth) acrylate, pentaerythritol tetra (meth) acrylate, dipentaerythritol penta (meth) acrylate, dipentaerythritol hexa ( (Meth) acrylate, tripentaerythritol octa (meth) acrylate, tripentaerythritol hepta (meth) acrylate, tetrapentaerythritol deca (meth) acrylate, tetrapentaerythritol nona (meth) acrylate, tris (2- (meth) acryloyloxyethyl) ) Isocyanurate, ethylene glycol modified pentaerythritol tetra (meth) acrylate, ethylene glycol modified dipentaerythritol Hexa (meth) acrylate, propylene glycol modified pentaerythritol tetra (meth) acrylate, propylene glycol modified dipentaerythritol hexa (meth) acrylate, caprolactone modified pentaerythritol tetra (meth) acrylate, caprolactone modified dipentaerythritol hexa (meth) acrylate, etc. Is mentioned.
Of these, dipentaerythritol penta (meth) acrylate and dipentaerythritol hexa (meth) acrylate are preferable.

  The weight average molecular weight of the polymerizable compound (C) is preferably from 150 to 2,900, more preferably from 250 to 1,500.

  The content of the polymerizable compound (C) is preferably 7 to 65% by mass, more preferably 13 to 60% by mass, and further preferably 17 to 55% by mass with respect to the total amount of the solid content. is there. When the content of the polymerizable compound (C) is within the above range, the remaining film ratio at the time of forming the colored pattern and the chemical resistance of the color filter tend to be improved.

<Polymerization initiator (D)>
The polymerization initiator (D) is not particularly limited as long as it is a compound capable of generating an active radical, an acid or the like by the action of light or heat and initiating polymerization, and a known polymerization initiator can be used.
Examples of the polymerization initiator that generates an active radical include an O-acyloxime compound, an alkylphenone compound, a triazine compound, an acylphosphine oxide compound, and a biimidazole compound.

前記Ｏ−アシルオキシム化合物としては、例えば、Ｎ−ベンゾイルオキシ−１−（４−フェニルスルファニルフェニル）ブタン−１−オン−２−イミン、Ｎ−ベンゾイルオキシ−１−（４−フェニルスルファニルフェニル）オクタン−１−オン−２−イミン、Ｎ−ベンゾイルオキシ−１−（４−フェニルスルファニルフェニル）−３−シクロペンチルプロパン−１−オン−２−イミン、Ｎ−アセトキシ−１−［９−エチル−６−（２−メチルベンゾイル）−９Ｈ−カルバゾール−３−イル］エタン−１−イミン、Ｎ−アセトキシ−１−［９−エチル−６−｛２−メチル−４−（３，３−ジメチル−２，４−ジオキサシクロペンタニルメチルオキシ）ベンゾイル｝−９Ｈ−カルバゾール−３−イル］エタン−１−イミン、Ｎ−アセトキシ−１−［９−エチル−６−（２−メチルベンゾイル）−９Ｈ−カルバゾール−３−イル］−３−シクロペンチルプロパン−１−イミン、Ｎ−ベンゾイルオキシ−１−［９−エチル−６−（２−メチルベンゾイル）−９Ｈ−カルバゾール−３−イル］−３−シクロペンチルプロパン−１−オン−２−イミン等が挙げられる。イルガキュアＯＸＥ０１、ＯＸＥ０２（以上、ＢＡＳＦ社製）、Ｎ−１９１９（ＡＤＥＫＡ社製）等の市販品を用いてもよい。中でも、Ｏ−アシルオキシム化合物は、Ｎ−ベンゾイルオキシ−１−（４−フェニルスルファニルフェニル）ブタン−１−オン−２−イミン、Ｎ−ベンゾイルオキシ−１−（４−フェニルスルファニルフェニル）オクタン−１−オン−２−イミン及びＮ−ベンゾイルオキシ−１−（４−フェニルスルファニルフェニル）−３−シクロペンチルプロパン−１−オン−２−イミンからなる群から選ばれる少なくとも１種が好ましく、Ｎ−ベンゾイルオキシ−１−（４−フェニルスルファニルフェニル）オクタン−１−オン−２−イミンがより好ましい。これらのＯ−アシルオキシム化合物であると、高明度なカラーフィルタが得られる傾向にある。 The O-acyl oxime compound is a compound having a partial structure represented by the formula (d1). Hereinafter, * represents a bond.

Examples of the O-acyloxime compound include N-benzoyloxy-1- (4-phenylsulfanylphenyl) butan-1-one-2-imine and N-benzoyloxy-1- (4-phenylsulfanylphenyl) octane. -1-one-2-imine, N-benzoyloxy-1- (4-phenylsulfanylphenyl) -3-cyclopentylpropane-1-one-2-imine, N-acetoxy-1- [9-ethyl-6- (2-Methylbenzoyl) -9H-carbazol-3-yl] ethane-1-imine, N-acetoxy-1- [9-ethyl-6- {2-methyl-4- (3,3-dimethyl-2, 4-Dioxacyclopentanylmethyloxy) benzoyl} -9H-carbazol-3-yl] ethane-1-imine, N-acetoxy-1- 9-ethyl-6- (2-methylbenzoyl) -9H-carbazol-3-yl] -3-cyclopentylpropane-1-imine, N-benzoyloxy-1- [9-ethyl-6- (2-methylbenzoyl) ) -9H-carbazol-3-yl] -3-cyclopentylpropan-1-one-2-imine and the like. Commercial products such as Irgacure OXE01, OXE02 (manufactured by BASF) and N-1919 (ADEKA) may be used. Among these, O-acyloxime compounds include N-benzoyloxy-1- (4-phenylsulfanylphenyl) butan-1-one-2-imine, N-benzoyloxy-1- (4-phenylsulfanylphenyl) octane-1 At least one selected from the group consisting of -on-2-imine and N-benzoyloxy-1- (4-phenylsulfanylphenyl) -3-cyclopentylpropan-1-one-2-imine is preferred, and N-benzoyloxy -1- (4-Phenylsulfanylphenyl) octane-1-one-2-imine is more preferred. When these O-acyloxime compounds are used, a color filter with high brightness tends to be obtained.

The alkylphenone compound is a compound having a partial structure represented by the formula (d2) or a partial structure represented by the formula (d3). In these partial structures, the benzene ring may have a substituent.

Examples of the compound having a partial structure represented by the formula (d2) include 2-methyl-2-morpholino-1- (4-methylsulfanylphenyl) propan-1-one, 2-dimethylamino-1- (4 -Morpholinophenyl) -2-benzylbutan-1-one, 2- (dimethylamino) -2-[(4-methylphenyl) methyl] -1- [4- (4-morpholinyl) phenyl] butan-1-one Etc. Commercial products such as Irgacure 369, 907, 379 (above, manufactured by BASF) may be used.
Examples of the compound having a partial structure represented by the formula (d3) include 2-hydroxy-2-methyl-1-phenylpropan-1-one, 2-hydroxy-2-methyl-1- [4- (2 -Hydroxyethoxy) phenyl] propan-1-one, 1-hydroxycyclohexyl phenyl ketone, oligomer of 2-hydroxy-2-methyl-1- (4-isopropenylphenyl) propan-1-one, α, α-diethoxy Examples include acetophenone and benzyl dimethyl ketal.
In terms of sensitivity, the alkylphenone compound is preferably a compound having a partial structure represented by the formula (d2).

  Examples of the triazine compound include 2,4-bis (trichloromethyl) -6- (4-methoxyphenyl) -1,3,5-triazine, 2,4-bis (trichloromethyl) -6- (4- Methoxynaphthyl) -1,3,5-triazine, 2,4-bis (trichloromethyl) -6-piperonyl-1,3,5-triazine, 2,4-bis (trichloromethyl) -6- (4-methoxy Styryl) -1,3,5-triazine, 2,4-bis (trichloromethyl) -6- [2- (5-methylfuran-2-yl) ethenyl] -1,3,5-triazine, 2,4 -Bis (trichloromethyl) -6- [2- (furan-2-yl) ethenyl] -1,3,5-triazine, 2,4-bis (trichloromethyl) -6- [2- (4-diethylamino- 2-methylpheny ) Ethenyl] -1,3,5-triazine, 2,4-bis (trichloromethyl) -6- [2- (3,4-dimethoxyphenyl) ethenyl] -1,3,5-triazine.

  Examples of the acylphosphine oxide compound include 2,4,6-trimethylbenzoyldiphenylphosphine oxide. Commercial products such as Irgacure (registered trademark) 819 (manufactured by BASF) may be used.

  Examples of the biimidazole compound include 2,2′-bis (2-chlorophenyl) -4,4 ′, 5,5′-tetraphenylbiimidazole, 2,2′-bis (2,3-dichlorophenyl)- 4,4 ′, 5,5′-tetraphenylbiimidazole (see, for example, JP-A-6-75372 and JP-A-6-75373), 2,2′-bis (2-chlorophenyl) -4 , 4 ′, 5,5′-tetraphenylbiimidazole, 2,2′-bis (2-chlorophenyl) -4,4 ′, 5,5′-tetra (alkoxyphenyl) biimidazole, 2,2′-bis (2-chlorophenyl) -4,4 ′, 5,5′-tetra (dialkoxyphenyl) biimidazole, 2,2′-bis (2-chlorophenyl) -4,4 ′, 5,5′-tetra (trial Xylphenyl) biimidazole (for example, see JP-B-48-38403, JP-A-62-174204, etc.), a phenyl group at the 4,4 ′, 5,5′-position is substituted with a carboalkoxy group. Imidazole compounds (see, for example, JP-A-7-10913).

  Furthermore, as the polymerization initiator (D), benzoin compounds such as benzoin, benzoin methyl ether, benzoin ethyl ether, benzoin isopropyl ether, benzoin isobutyl ether; benzophenone, methyl o-benzoylbenzoate, 4-phenylbenzophenone, 4-benzoyl- Benzophenone compounds such as 4′-methyldiphenyl sulfide, 3,3 ′, 4,4′-tetra (tert-butylperoxycarbonyl) benzophenone, 2,4,6-trimethylbenzophenone; 9,10-phenanthrenequinone, Examples include quinone compounds such as 2-ethylanthraquinone and camphorquinone; 10-butyl-2-chloroacridone, benzyl, methyl phenylglyoxylate, and titanocene compounds. These are preferably used in combination with a polymerization initiation assistant (D1) (particularly amines) described later.

  Examples of the acid generator that generates an acid and functions as a polymerization initiator include 4-hydroxyphenyldimethylsulfonium p-toluenesulfonate, 4-hydroxyphenyldimethylsulfonium hexafluoroantimonate, 4-acetoxyphenyldimethylsulfonium p- Toluenesulfonate, 4-acetoxyphenyl / methyl / benzylsulfonium hexafluoroantimonate, triphenylsulfonium p-toluenesulfonate, triphenylsulfonium hexafluoroantimonate, diphenyliodonium p-toluenesulfonate, diphenyliodonium hexafluoroantimonate, etc. Onium salts, nitrobenzyl tosylate, benzoin tosylate and the like.

  The polymerization initiator (D) is preferably a polymerization initiator containing at least one selected from the group consisting of alkylphenone compounds, triazine compounds, acylphosphine oxide compounds, O-acyloxime compounds and biimidazole compounds, and O-acyloxy compounds. More preferred is a polymerization initiator containing a sulfur compound.

  The content of the polymerization initiator (D) is preferably 0.1 to 30 parts by mass, more preferably 1 to 20 parts per 100 parts by mass of the total amount of the resin (B) and the polymerizable compound (C). Part by mass. When the content of the polymerization initiator (D) is within the above range, the sensitivity is increased and the exposure time tends to be shortened, so the productivity of the color filter is improved.

<Polymerization initiation aid (D1)>
The polymerization initiation assistant (D1) is a compound or a sensitizer used for accelerating the polymerization of the polymerizable compound that has been polymerized by the polymerization initiator. The polymerization initiation assistant (D1) is usually used in combination with the polymerization initiator (D).
Examples of the polymerization initiation aid (D1) include amine compounds, alkoxyanthracene compounds, thioxanthone compounds, and carboxylic acid compounds.

  Examples of the amine compound include triethanolamine, methyldiethanolamine, triisopropanolamine, methyl 4-dimethylaminobenzoate, ethyl 4-dimethylaminobenzoate, isoamyl 4-dimethylaminobenzoate, 2-dimethylaminoethyl benzoate, 4 2-dimethylhexyl dimethylaminobenzoate, N, N-dimethylparatoluidine, 4,4′-bis (dimethylamino) benzophenone (commonly known as Michler's ketone), 4,4′-bis (diethylamino) benzophenone, 4,4′-bis (Ethylmethylamino) benzophenone and the like can be mentioned, among which 4,4′-bis (diethylamino) benzophenone is preferable. Commercial products such as EAB-F (Hodogaya Chemical Co., Ltd.) may be used.

  Examples of the alkoxyanthracene compound include 9,10-dimethoxyanthracene, 2-ethyl-9,10-dimethoxyanthracene, 9,10-diethoxyanthracene, 2-ethyl-9,10-diethoxyanthracene, 9,10-di. Examples include butoxyanthracene and 2-ethyl-9,10-dibutoxyanthracene.

  Examples of the thioxanthone compound include 2-isopropylthioxanthone, 4-isopropylthioxanthone, 2,4-diethylthioxanthone, 2,4-dichlorothioxanthone, 1-chloro-4-propoxythioxanthone, and the like.

  Examples of the carboxylic acid compound include phenylsulfanylacetic acid, methylphenylsulfanylacetic acid, ethylphenylsulfanylacetic acid, methylethylphenylsulfanylacetic acid, dimethylphenylsulfanylacetic acid, methoxyphenylsulfanylacetic acid, dimethoxyphenylsulfanylacetic acid, chlorophenylsulfanylacetic acid, dichlorophenylsulfanylacetic acid, N-phenylglycine, phenoxyacetic acid, naphthylthioacetic acid, N-naphthylglycine, naphthoxyacetic acid and the like can be mentioned.

  When using these polymerization initiation assistants (D1), the content thereof is preferably 0.1 to 30 parts by mass with respect to 100 parts by mass of the total amount of the resin (B) and the polymerizable compound (C). Preferably it is 1-20 mass parts. When the amount of the polymerization initiation assistant (D1) is within this range, a colored pattern can be formed with higher sensitivity and the productivity of the color filter tends to be improved.

<Solvent (E)>
A solvent (E) is not specifically limited, The solvent normally used in the said field | area can be used. For example, an ester solvent (a solvent containing —COO— in the molecule and not containing —O—), an ether solvent (a solvent containing —O— in the molecule and not containing —COO—), an ether ester solvent (intramolecular) Solvent containing -COO- and -O-), ketone solvent (solvent containing -CO- in the molecule and not containing -COO-), alcohol solvent (containing OH in the molecule, -O-,- A solvent not containing CO- and -COO-), an aromatic hydrocarbon solvent, an amide solvent, dimethyl sulfoxide and the like.

  As ester solvents, methyl lactate, ethyl lactate, butyl lactate, methyl 2-hydroxyisobutanoate, ethyl acetate, n-butyl acetate, isobutyl acetate, pentyl formate, isopentyl acetate, butyl propionate, isopropyl butyrate, ethyl butyrate, butyl butyrate Methyl pyruvate, ethyl pyruvate, propyl pyruvate, methyl acetoacetate, ethyl acetoacetate, cyclohexanol acetate, γ-butyrolactone and the like.

  Ether solvents include ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monopropyl ether, ethylene glycol monobutyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monobutyl ether, propylene glycol monomethyl ether, propylene glycol monoethyl ether , Propylene glycol monopropyl ether, propylene glycol monobutyl ether, 3-methoxy-1-butanol, 3-methoxy-3-methylbutanol, tetrahydrofuran, tetrahydropyran, 1,4-dioxane, diethylene glycol dimethyl ether, diethylene glycol diethyl ether, diethyl Glycol methyl ethyl ether, diethylene glycol dipropyl ether, diethylene glycol dibutyl ether, anisole, phenetole, and the like methyl anisole.

  Examples of ether ester solvents include methyl methoxyacetate, ethyl methoxyacetate, butyl methoxyacetate, methyl ethoxyacetate, ethyl ethoxyacetate, methyl 3-methoxypropionate, ethyl 3-methoxypropionate, methyl 3-ethoxypropionate, 3-ethoxy Ethyl propionate, methyl 2-methoxypropionate, ethyl 2-methoxypropionate, propyl 2-methoxypropionate, methyl 2-ethoxypropionate, ethyl 2-ethoxypropionate, methyl 2-methoxy-2-methylpropionate, Ethyl 2-ethoxy-2-methylpropionate, 3-methoxybutyl acetate, 3-methyl-3-methoxybutyl acetate, propylene glycol monomethyl ether acetate, propylene glycol monoethyl ether Acetate, propylene glycol monopropyl ether acetate, ethylene glycol monomethyl ether acetate, ethylene glycol monoethyl ether acetate, diethylene glycol monoethyl ether acetate, and the like diethylene glycol monobutyl ether acetate.

  Examples of ketone solvents include 4-hydroxy-4-methyl-2-pentanone, acetone, 2-butanone, 2-heptanone, 3-heptanone, 4-heptanone, 4-methyl-2-pentanone, cyclopentanone, cyclohexanone, and isophorone. Etc.

  Examples of the alcohol solvent include methanol, ethanol, propanol, butanol, hexanol, cyclohexanol, ethylene glycol, propylene glycol, and glycerin.

  Examples of the aromatic hydrocarbon solvent include benzene, toluene, xylene, mesitylene and the like.

  Examples of the amide solvent include N, N-dimethylformamide, N, N-dimethylacetamide, N-methylpyrrolidone and the like.

  Among the above-mentioned solvents, organic solvents having a boiling point of 120 ° C. or higher and 120 ° C. or lower at 1 atm are preferable from the viewpoints of coating properties and drying properties. Propylene glycol monomethyl ether acetate, ethyl lactate, propylene glycol monomethyl ether, 3-ethoxypropion More preferred are ethyl acid, ethylene glycol monomethyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, 4-hydroxy-4-methyl-2-pentanone and N, N-dimethylformamide, propylene glycol monomethyl ether acetate, propylene glycol monomethyl ether, More preferred are ethyl lactate and ethyl 3-ethoxypropionate.

  Content of a solvent (E) becomes like this. Preferably it is 70-95 mass% with respect to the total amount of the colored curable resin composition of this invention, More preferably, it is 75-92 mass%. In other words, the total amount of the solid content of the colored curable resin composition is preferably 5 to 30% by mass, more preferably 8 to 25% by mass. When the content of the solvent (E) is within the above range, the flatness at the time of coating is good, and when the color filter is formed, the color density does not become insufficient and the display characteristics tend to be good. .

<Leveling agent (F)>
Examples of the leveling agent (F) include silicone surfactants, fluorine surfactants, and silicone surfactants having a fluorine atom. These may have a polymerizable group in the side chain.
Examples of the silicone surfactant include a surfactant having a siloxane bond in the molecule. Specifically, Torre Silicone DC3PA, SH7PA, DC11PA, SH21PA, SH28PA, SH29PA, SH30PA, SH8400 (trade names: manufactured by Toray Dow Corning Co., Ltd.), KP321, KP322, KP323, KP324 , KP326, KP340, KP341 (manufactured by Shin-Etsu Chemical Co., Ltd.), TSF400, TSF401, TSF410, TSF4300, TSF4440, TSF4445, TSF4446, TSF4452, TSF4460 (made by Momentive Performance Materials Japan GK) .

  Examples of the fluorosurfactant include surfactants having a fluorocarbon chain in the molecule. Specifically, Florard (registered trademark) FC430, FC431 (manufactured by Sumitomo 3M Co., Ltd.), MegaFac (registered trademark) F142D, F171, F172, F173, F177, F183, F183, F554, R30, RS-718-K (manufactured by DIC Corporation), Ftop (registered trademark) EF301, EF303, EF351, EF352 (manufactured by Mitsubishi Materials Electronic Chemicals), Surflon (registered trademark) S381, S382, SC101, SC105 (Asahi Glass Co., Ltd.), E5844 (Daikin Fine Chemical Laboratory Co., Ltd.) and the like.

  Examples of the silicone-based surfactant having a fluorine atom include surfactants having a siloxane bond and a fluorocarbon chain in the molecule. Specifically, Megafac (registered trademark) R08, BL20, F475, F477, F443 (manufactured by DIC Corporation) and the like can be mentioned.

  The content of the leveling agent (F) is preferably 0.001% by mass to 0.2% by mass, and preferably 0.002% by mass to 0.1%, based on the total amount of the colored curable resin composition. It is not more than mass%, more preferably not less than 0.01 mass% and not more than 0.05 mass%. This content does not include the content of the pigment dispersant. When the content of the leveling agent (F) is within the above range, the flatness of the color filter can be improved.

<Other ingredients>
The colored curable resin composition of the present invention includes additives known in the art, such as fillers, other polymer compounds, adhesion promoters, antioxidants, light stabilizers, chain transfer agents, etc., if necessary. May be included.

<Method for producing colored curable resin composition>
The colored curable resin composition of the present invention includes, for example, a colorant (A), a resin (B), a polymerizable compound (C), a polymerization initiator (D), and a solvent (E) used as necessary. It can be prepared by mixing the leveling agent (F), the polymerization initiation assistant (D1) and other components.
The pigment (Ad) is preferably mixed with a part or all of the solvent (E) in advance and dispersed using a bead mill or the like until the average particle diameter of the pigment is about 0.2 μm or less. Under the present circumstances, you may mix | blend a part or all of the said pigment dispersant and resin (B) as needed. The desired colored curable resin composition can be prepared by mixing the remaining components in the pigment dispersion thus obtained so as to have a predetermined concentration.
The dyes (Aa, Ab, Ac) may be previously dissolved in part or all of the solvent (E) to prepare a solution. The solution is preferably filtered through a filter having a pore size of about 0.01 to 1 μm.
The colored curable resin composition after mixing is preferably filtered with a filter having a pore size of about 0.1 to 10 μm.

<Color filter manufacturing method>
Examples of the method for producing a colored pattern from the colored curable resin composition of the present invention include a photolithographic method, an inkjet method, and a printing method. Of these, the photolithographic method is preferable. The photolithographic method is a method in which the colored curable resin composition is applied to a substrate, dried to form a colored composition layer, and the colored composition layer is exposed through a photomask and developed. In the photolithography method, a colored coating film that is a cured product of the colored composition layer can be formed by not using a photomask and / or not developing during exposure. The colored pattern and the colored coating film thus formed are the color filter of the present invention.
The film thickness of the color filter to be produced is not particularly limited, and can be adjusted as appropriate according to the purpose and application, for example, 0.1 to 30 μm, preferably 0.1 to 20 μm, and more preferably 0.5. ~ 6 μm.

  As the substrate, quartz glass, borosilicate glass, alumina silicate glass, glass plate such as soda lime glass coated with silica on the surface, resin plate such as polycarbonate, polymethyl methacrylate, polyethylene terephthalate, silicon, on the substrate In addition, aluminum, silver, or a silver / copper / palladium alloy thin film is used. On these substrates, another color filter layer, a resin layer, a transistor, a circuit, and the like may be formed.

Formation of each color pixel by the photolithographic method can be performed by a known or commonly used apparatus and conditions. For example, it can be produced as follows.
First, a colored curable resin composition is applied on a substrate, dried by heating (pre-baking) and / or drying under reduced pressure to remove volatile components such as a solvent, and a smooth colored composition layer is obtained.
Examples of the coating method include spin coating, slit coating, and slit and spin coating.
30-120 degreeC is preferable and the temperature in the case of performing heat drying has more preferable 50-110 degreeC. In addition, the heating time is preferably 10 seconds to 60 minutes, and more preferably 30 seconds to 30 minutes.
When performing vacuum drying, it is preferable to carry out in the temperature range of 20-25 degreeC under the pressure of 50-150 Pa.
The film thickness of the coloring composition layer is not particularly limited, and may be appropriately selected according to the film thickness of the target color filter.

Next, the coloring composition layer is exposed through a photomask for forming a target coloring pattern. The pattern on the photomask is not particularly limited, and a pattern according to the intended use is used.
The light source used for exposure is preferably a light source that generates light having a wavelength of 250 to 450 nm. For example, light less than 350 nm can be cut using a filter that cuts this wavelength range, or light near 436 nm, 408 nm, and 365 nm can be selectively extracted using a bandpass filter that extracts these wavelength ranges. Or you may. Specific examples include mercury lamps, light emitting diodes, metal halide lamps, halogen lamps, and the like.
Use an exposure device such as a mask aligner or a stepper because the entire exposure surface can be illuminated with parallel rays uniformly, or the photomask can be accurately aligned with the substrate on which the colored composition layer is formed. Is preferred.

A colored pattern is formed on the substrate by developing the exposed colored composition layer in contact with a developer. By the development, the unexposed portion of the colored composition layer is dissolved in the developer and removed.
As the developer, for example, an aqueous solution of an alkaline compound such as potassium hydroxide, sodium hydrogen carbonate, sodium carbonate, tetramethylammonium hydroxide is preferable. The concentration of these alkaline compounds in the aqueous solution is preferably 0.01 to 10% by mass, more preferably 0.03 to 5% by mass. Further, the developer may contain a surfactant.
The developing method may be any of paddle method, dipping method, spray method and the like. Further, the substrate may be tilted at an arbitrary angle during development.
After development, it is preferable to wash with water.

  Furthermore, it is preferable to post-bake the obtained colored pattern. The post-bake temperature is preferably 150 to 250 ° C, more preferably 160 to 235 ° C. The post-bake time is preferably 1 to 120 minutes, more preferably 10 to 60 minutes.

According to the present invention, it is possible to provide a colored curable resin composition capable of producing a color filter particularly excellent in contrast. The color filter is useful as a color filter used in display devices (for example, liquid crystal display devices, organic EL devices, electronic paper, etc.) and solid-state image sensors.
In addition, according to the present invention, it is also possible to provide a colored curable resin composition having a sharp pattern (for example, good short shape) and capable of forming a high-definition color filter.

Hereinafter, the colored curable resin composition of the present invention will be described in more detail by way of examples.
Unless otherwise specified, “%” and “parts” in the examples are% by mass and parts by mass.
In the following synthesis examples, the compounds were identified by mass spectrometry (LC; Agilent 1200 type, MASS; Agilent LC / MSD type) or elemental analysis (VARIO-EL; (Elemental Co., Ltd.)).

[Synthesis Example 1]
A mixture of a compound represented by the formula (A0-1) and a compound represented by the formula (A0-2) (trade name Chugai Aminol Fast Pink R; manufactured by Chugai Kasei Co., Ltd.) 15 Part, 150 parts of chloroform and 8.9 parts of N, N-dimethylformamide were added dropwise and 10.9 parts of thionyl chloride was added dropwise while maintaining at 20 ° C. or lower with stirring. After completion of the dropwise addition, the temperature was raised to 50 ° C., the reaction was continued for 5 hours at the same temperature, and then cooled to 20 ° C. While maintaining the reaction solution after cooling at 20 ° C. or lower with stirring, a mixed solution of 12.5 parts of 2-ethylhexylamine and 22.1 parts of triethylamine was added dropwise. Then, it was made to react by stirring at the same temperature for 5 hours. Next, after the solvent of the obtained reaction mixture was distilled off with a rotary evaporator, a small amount of methanol was added and stirred vigorously. This mixture was added to a mixture of 375 parts of ion-exchanged water with stirring to precipitate crystals. The precipitated crystals were separated by filtration, washed well with ion-exchanged water, dried at 60 ° C. under reduced pressure, and dye (Aa-1) (compounds represented by formula (A1-1) to formula (A1-8)). 11.3 parts of a mixture were obtained.

[Synthesis Example 2]
20 parts of the compound represented by the formula (1x) and 200 parts of N-ethyl-o-toluidine (manufactured by Wako Pure Chemical Industries, Ltd.) were mixed under shading conditions, and the resulting solution was stirred at 110 ° C. for 6 hours. did. The obtained reaction solution was cooled to room temperature, then added to a mixed solution of 800 parts of water and 50 parts of 35% hydrochloric acid, and stirred at room temperature for 1 hour, whereby crystals were precipitated. The precipitated crystals were obtained as a suction filtration residue and dried to obtain 24 parts of a compound represented by the formula (1-24). The yield was 80%.

The structure of the compound represented by the formula (1-24) was confirmed by mass spectrometry (LC; Agilent 1200 type, MASS; Agilent LC / MSD type).
(Mass Spectrometry) Ionization mode = ESI +: m / z = [M + H] ⁺ 603.4
Exact Mass: 602.2

式（１−３２）で表される化合物の同定
（質量分析）イオン化モード＝ＥＳＩ＋： ｍ／ｚ＝[Ｍ＋Ｈ]^＋６５９．９
Ｅｘａｃｔ Ｍａｓｓ： ６５８．９ [Synthesis Example 3]
A compound represented by the formula (1-32) was obtained in the same manner as in Synthesis Example 1 except that N-propyl-2,6-dimethylaniline was used instead of N-ethyl-o-toluidine.

Identification of compound represented by formula (1-32) (mass spectrometry) ionization mode = ESI +: m / z = [M + H] ⁺ 659.9
Exact Mass: 658.9

[Synthesis Example 4]
Compound represented by dye (Ab-1) (formula (2-29), formula (2-39), formula (2-40), formula (2-41)) by the synthesis method described in Japanese Patent No. 3961078 Of mixture).

[Synthesis Example 5]
A suitable amount of nitrogen was passed through a flask equipped with a reflux condenser, a dropping funnel and a stirrer to replace the nitrogen atmosphere, and 371 parts of propylene glycol monomethyl ether acetate was added and heated to 85 ° C. with stirring. Then 54 parts of acrylic acid, 3,4-epoxytricyclo [5.2.1.0 ^2,6 ] decan-8-yl acrylate and 3,4-epoxytricyclo [5.2.1.0 ^{2, 6} ] A mixed solution prepared by dissolving 225 parts of a mixture of decan-9-yl acrylate (content ratio is 50:50 in molar ratio) and 81 parts of vinyl toluene (isomer mixture) in 80 parts of propylene glycol monomethyl ether acetate. Was dropped into the flask over 4 hours.
On the other hand, a solution prepared by dissolving 30 parts of a polymerization initiator 2,2-azobis (2,4-dimethylvaleronitrile) in 160 parts of propylene glycol monomethyl ether acetate was added dropwise over 5 hours. After completion of the dropwise addition of the initiator solution, the mixture was kept at 85 ° C. for 4 hours and then cooled to room temperature to obtain a copolymer solution. This copolymer is referred to as "resin B2." The solid content of the resin B2 solution was 37.5%, and the viscosity measured with a B-type viscometer (23 ° C.) was 246 mPa · s. Resin B1 had a weight average molecular weight of 1.06 × 10 ⁴ , an acid value in terms of solid content of 115 mg-KOH / g, and a molecular weight distribution of 2.01. Resin B1 has the following structural units.

[Synthesis Example 6]
After introducing 182 g of propylene glycol monomethyl ether acetate into a flask equipped with a stirrer, a thermometer, a reflux condenser, a dropping funnel and a nitrogen introduction tube, and changing the atmosphere in the flask from air to nitrogen, the temperature was raised to 100 ° C., 70.5 g (0.40 mol) of benzyl methacrylate, 43.0 g (0.5 mol) of methacrylic acid, 22.0 g (0.10 mol) of monomethacrylate having a tricyclodecane skeleton (FA-513M manufactured by Hitachi Chemical Co., Ltd.) ) And 136 g of propylene glycol monomethyl ether acetate, a solution obtained by adding 3.6 g of 2,2′-azobisisobutyronitrile was added dropwise, and stirring was continued at 100 ° C.
Next, the atmosphere in the flask was changed from nitrogen to air, and 35.5 g of glycidyl methacrylate [0.25 mol, (50 mol% with respect to the carboxy group of methacrylic acid used in this reaction)], trisdimethylaminomethylphenol 0. 9 g and 0.145 g of hydroquinone were charged into the flask and the reaction was continued at 110 ° C. to obtain a resin B2 solution having a solid content of 29% and a solid content acid value of 79 mg-KOH / g. The weight average molecular weight in terms of polystyrene measured by GPC was 30,000.

The weight average molecular weight (Mw) and the number average molecular weight (Mn) of the resin obtained in the synthesis example were measured using the GPC method under the following conditions.
Apparatus; K2479 (manufactured by Shimadzu Corporation)
Column; SHIMADZU Shim-pack GPC-80M
Column temperature: 40 ° C
Solvent; THF (tetrahydrofuran)
Flow rate: 1.0 mL / min
Detector; RI
Standard material for calibration: TSK STANDARD POLYSTYRENE F-40, F-4, F-288, A-2500, A-500 (manufactured by Tosoh Corporation)
The polystyrene-converted weight average molecular weight and number average molecular weight ratio (Mw / Mn) obtained above was defined as molecular weight distribution.

The weight average molecular weight (Mw) and number average molecular weight (Mn) of the resin were measured using the GPC method under the following conditions.
Apparatus; K2479 (manufactured by Shimadzu Corporation)
Column; SHIMADZU Shim-pack GPC-80M
Column temperature: 40 ° C
Solvent; THF (tetrahydrofuran)
Flow rate: 1.0 mL / min
Detector; RI
Standard material for calibration: TSK STANDARD POLYSTYRENE F-40, F-4, F-288, A-2500, A-500 (manufactured by Tosoh Corporation)
The polystyrene-converted weight average molecular weight and number average molecular weight ratio (Mw / Mn) obtained above was defined as molecular weight distribution.

[Example 1]
(Preparation of colored curable resin composition)
(A) Colorant: C.I. I. Pigment Blue 15: 6 (pigment) 33.8 parts Acrylic pigment dispersant 12.8 parts Propylene glycol monomethyl ether acetate 225 parts are mixed, and the pigment is sufficiently dispersed using a bead mill.
(A) Colorant: Xanthene dye (Aa-1) 4.0 parts (A) Colorant: Tetraazaporphyrin dye (Ab-1) 2.0 parts (B) Resin: Resin B1 (solid content conversion) 50 parts (C) Polymerizable compound: Dipentaerythritol hexaacrylate (Kayarad (registered trademark) DPHA; manufactured by Nippon Kayaku Co., Ltd.) 50 parts (D) Polymerization initiator: N-benzoyloxy-1- (4-phenylsulfanylphenyl) ) Octane-1-one-2-imine (Irgacure (registered trademark) OXE 01; manufactured by BASF) 10 parts (D1) Polymerization initiator: 2,4-diethylthioxanthone (KAYACURE (registered trademark) DETX-S; Nippon Kayaku) Yakuhin Corporation; Thioxanthone compound) 5 parts (F) Leveling agent: Polyether-modified silicone oil (Tore Silicone SH8400: 0.2 parts (E) Solvent: 477 parts of 4-hydroxy-4-methyl-2-pentanone (E) Solvent: Propylene glycol monomethyl ether acetate A resin composition was obtained.

<Preparation of colored pattern>
A colored curable resin composition was applied by spin coating on a 5 cm square glass substrate (Eagle 2000; manufactured by Corning), and then pre-baked at 100 ° C. for 3 minutes to obtain a colored layer.
After cooling, the distance between the substrate a colored layer is formed of quartz glass photomask as 100 [mu] m, an exposure machine; using (TME-150RSK Topcon Co.), an air atmosphere of 150 mJ / cm ² Light was irradiated with an exposure amount (365 nm reference). A photomask having a 100 μm line and space pattern was used. The colored layer after light irradiation is immersed and developed in an aqueous developer containing 0.12% of a nonionic surfactant and 0.04% of potassium hydroxide at 24 ° C. for 60 seconds, washed with water, and then in an oven at 230 ° C. After baking for 30 minutes, a colored pattern was obtained.

<Film thickness measurement>
About the obtained coloring pattern, the film thickness was measured using the film thickness measuring apparatus (DEKTAK3; Nippon Vacuum Technology Co., Ltd. product).

<Chromaticity evaluation>
About the obtained coloring pattern, spectrum was measured using the colorimeter (OSP-SP-200; Olympus Co., Ltd.), and the xy chromaticity coordinate in the XYZ color system of CIE using the characteristic function of C light source (X, y) and tristimulus value Y were measured. The larger the value of Y, the higher the brightness. The results are shown in Table 1.

<Contrast evaluation>
Except not using a photomask at the time of exposure, the same operation as preparation of a colored pattern was performed, and the colored coating film was produced. About the obtained colored coating film, a contrast meter (CT-1; manufactured by Aisaka Electric Co., Ltd., color / color difference meter BM-5A; manufactured by Topcon Co., Ltd., light source: F-10, polarizing film; manufactured by Aisaka Electric Co., Ltd.) The contrast was measured using a blank value of 30000. If the contrast in a coating film is high, it can be said that it is high contrast similarly in a coloring pattern. The results are shown in Table 1.

[Example 2]
(Preparation of colored curable resin composition)
(A) Colorant: C.I. I. Pigment Blue 15: 6 (pigment) 17.2 parts Acrylic pigment dispersant 6.5 parts Propylene glycol monomethyl ether acetate 114 parts are mixed, and the pigment is sufficiently dispersed using a bead mill.
(A) Colorant: Xanthene dye (1-24) 3.4 parts (A) Colorant: Tetraazaporphyrin dye (Ab-1) 2.3 parts (B) Resin: Resin B1 (solid content conversion) 50 parts (C) Polymerizable compound: Dipentaerythritol hexaacrylate (Kayarad (registered trademark) DPHA; manufactured by Nippon Kayaku Co., Ltd.) 50 parts (D) Polymerization initiator: N-benzoyloxy-1- (4-phenylsulfanylphenyl) ) Octane-1-one-2-imine (Irgacure (registered trademark) OXE 01; manufactured by BASF) 10 parts (D1) Polymerization initiator: 2,4-diethylthioxanthone (KAYACURE (registered trademark) DETX-S; Nippon Kayaku) Yakuhin Corporation; Thioxanthone compound) 5 parts (F) Leveling agent: Polyether-modified silicone oil (Tore Silicone SH8400: 0.1 parts (E) Solvent: 4-hydroxy-4-methyl-2-pentanone 510 parts (E) Solvent: Propylene glycol monomethyl ether acetate 201 parts are mixed and colored curable A resin composition was obtained.
About this colored curable resin composition, the same operation as Example 1 was performed, and also the same evaluation was performed. The results are shown in Table 1.

Example 3
A colored curable resin composition was obtained in the same manner as in Example 2 except that the xanthene dye (1-24) was replaced with the xanthene dye (1-32). The colored curable resin composition was evaluated in the same manner as in Example 1. The results are shown in Table 1.

[Comparative Example 1]
(A) Colorant: C.I. I. Pigment Blue 15: 6 (pigment) 20 parts Acrylic pigment dispersant 5 parts Propylene glycol monomethyl ether acetate 137 parts are mixed, and the pigment is sufficiently dispersed using a bead mill.
(A) Colorant: Xanthene dye (Aa-1) 3.5 parts (B) Resin: Resin B2 solution 157 parts (C) Polymerizable compound: Dipentaerythritol hexaacrylate (manufactured by Nippon Kayaku Co., Ltd.) 50 parts (D) Polymerization initiator: OXE 01 (manufactured by BASF) 15 parts (E) Solvent: 289 parts of 4-hydroxy-4-methyl-2-pentanone were mixed to obtain a colored curable resin composition. The colored curable resin composition was evaluated in the same manner as in Example 1. The results are shown in Table 1.

[Comparative Example 2]
(A) Colorant: C.I. I. Pigment Blue 15: 6 (pigment) 25 parts Acrylic pigment dispersant 8.4 parts Propylene glycol monomethyl ether acetate 181 parts are mixed, and the pigment is sufficiently dispersed using a bead mill.
(A) Colorant: Xanthene dye (Aa-1) 4.8 parts (A) Colorant: C.I. I. Salt of direct blue 264 and dodecylbenzenesulfonic acid (manufactured by Orient Chemical Co., Ltd.) 2.3 parts (B) resin: 152 parts of resin B2 solution (C) polymerizable compound: dipentaerythritol hexaacrylate (Nippon Kayaku) 50 parts (D) Polymerization initiator: OXE 01 (manufactured by BASF) 15 parts (E) Solvent: 308 parts of ethyl lactate were mixed to obtain a colored curable resin composition. The colored curable resin composition was evaluated in the same manner as in Example 1. The results are shown in Table 1.

[Comparative Example 3]
(A) Colorant: C.I. I. Pigment Blue 15: 6 (pigment) 25 parts Acrylic pigment dispersant 8.4 parts Propylene glycol monomethyl ether acetate 181 parts are mixed, and the pigment is sufficiently dispersed using a bead mill.
(A) Colorant: Xanthene dye (Aa-1) 4.8 parts (A) Colorant: Tetraazaporphyrin dye (B90401, manufactured by Kyojin Yoko Co., Ltd.) 2.3 parts (B) Resin: Resin B2 solution 152 Part (C) Polymerizable compound: Dipentaerythritol hexaacrylate (manufactured by Nippon Kayaku Co., Ltd.) 50 parts (D) Polymerization initiator: OXE 01 (manufactured by BASF) 15 parts (E) Solvent: Ethyl lactate 308 parts By mixing, a colored curable resin composition was obtained. The colored curable resin composition was evaluated in the same manner as in Example 1. The results are shown in Table 1.

  According to the Example, it was confirmed that the coating film obtained from the coloring curable resin composition of this invention shows high contrast. From this, it can be seen that the colored coating film and the colored pattern obtained from the colored curable resin composition of the present invention are useful as a high-contrast color filter, and the liquid crystal display device including the color filter is excellent in display characteristics. .

  According to the colored curable resin composition of the present invention, a high-contrast color filter can be formed.

21 Glass substrate 22 TFT (switching element)
22a Gate electrode 22b Gate insulating film 22c Polycrystalline silicon film 22d Protective film 23 Color filter layer 23A Colored curable resin composition layer (color filter)
23a Red filter 23b Green filter 23c Blue filter 24 Pixel electrode 27 Signal line 29 Photosensitive resin film (protective film)
201, 202 connection hole

Claims (6)

Including a colorant, a resin, a polymerizable compound and a polymerization initiator,
A colored curable resin composition in which the colorant contains a xanthene dye, a tetraazaporphyrin dye containing a compound represented by the following formula (1b), and a pigment.

[In the formula (1b), R ^{41 to} R ⁴⁸ are each independently a hydrogen atom, a halogen atom, a cyano group, a nitro group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted group. An aryl group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted aralkyloxy group, or a substituted or unsubstituted amino group, M is two hydrogen atoms, two monovalent metal atoms, Represents a divalent metal atom, a trivalent substituted metal atom, or a metal oxide atom. ]   The colored curable resin composition according to claim 1, wherein the content of the tetraazaporphyrin dye is 1 part by mass or more and 100 parts by mass or less with respect to 100 parts by mass of the xanthene dye.   The colored curable resin composition according to claim 1 or 2, wherein the content of the xanthene dye is 0.1% by mass or more and 50% by mass or less based on the total amount of the colorant. The colored curable resin composition according to any one of claims 1 to 3, wherein the xanthene dye contains a compound represented by the following formula (1a).

[In Formula (1a), R ^{1 to} R ⁴ each independently have a hydrogen atom, a monovalent saturated hydrocarbon group having 1 to 20 carbon atoms which may have a substituent, or a substituent. Represents a monovalent aromatic hydrocarbon group having 6 to 10 carbon atoms, and —CH ₂ — contained in the saturated hydrocarbon group is replaced by —O—, —CO— or —NR ¹¹ —. Also good. R ¹ and R ² may be bonded together to form a ring containing a nitrogen atom together with a nitrogen atom, and R ³ and R ⁴ may be bonded together to form a nitrogen atom together with the nitrogen atom. A ring containing may be formed.
R ^{5 _{is, -OH, -SO 3 -, -SO}} 3 H, -SO 3 - Z +, -CO 2 H, -CO 2 - Z +, -CO 2 R 8, -SO 3 R 8 or -SO ₂ represents NR ⁹ R ¹⁰
R ⁶ and R ⁷ each independently represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms.
m represents an integer of 0 to 5. When m is 2 or more, the plurality of R ⁵ may be the same or different.
a represents an integer of 0 or 1.
X represents a halogen atom.
Z ⁺ represents ⁺ N (R ¹¹ ) ₄ , Na ⁺ or K ⁺ , and four R ¹¹ may be the same or different.
R ⁸ represents a monovalent saturated hydrocarbon group having 1 to 20 carbon atoms, and the hydrogen atom contained in the saturated hydrocarbon group may be substituted with a halogen atom.
R ⁹ and R ¹⁰ each independently represent a hydrogen atom or a monovalent saturated hydrocarbon group having 1 to 20 carbon atoms which may have a substituent, and —CH ₂ contained in the saturated hydrocarbon group. - is -O -, - CO -, - NH- or -NR ⁸ - may have I placed conversion in, R ⁹ and R ^10, 3-10 membered nitrogen-containing together with the nitrogen atom bonded with each other A heterocycle may be formed.
R ¹¹ represents a hydrogen atom, a monovalent saturated hydrocarbon group having 1 to 20 carbon atoms, or an aralkyl group having 7 to 10 carbon atoms. ]   The color filter formed with the colored curable resin composition in any one of Claims 1-4.   A display device comprising the color filter according to claim 5.

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