JPH0721590B2 - Liquid crystal structure, image display device using the same, and manufacturing method thereof - Google Patents
Liquid crystal structure, image display device using the same, and manufacturing method thereofInfo
- Publication number
- JPH0721590B2 JPH0721590B2 JP60169056A JP16905685A JPH0721590B2 JP H0721590 B2 JPH0721590 B2 JP H0721590B2 JP 60169056 A JP60169056 A JP 60169056A JP 16905685 A JP16905685 A JP 16905685A JP H0721590 B2 JPH0721590 B2 JP H0721590B2
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- display device
- image display
- manufacturing
- binder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims description 32
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000011230 binding agent Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 239000003094 microcapsule Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000000206 photolithography Methods 0.000 claims description 2
- 238000004040 coloring Methods 0.000 claims 3
- 238000000016 photochemical curing Methods 0.000 claims 3
- 238000001723 curing Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 239000000758 substrate Substances 0.000 description 7
- 239000002775 capsule Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920000159 gelatin Polymers 0.000 description 2
- 239000008273 gelatin Substances 0.000 description 2
- 235000019322 gelatine Nutrition 0.000 description 2
- 235000011852 gelatine desserts Nutrition 0.000 description 2
- 102000011632 Caseins Human genes 0.000 description 1
- 108010076119 Caseins Proteins 0.000 description 1
- 229920000084 Gum arabic Polymers 0.000 description 1
- 241000978776 Senegalia senegal Species 0.000 description 1
- 239000004990 Smectic liquid crystal Substances 0.000 description 1
- 229920001938 Vegetable gum Polymers 0.000 description 1
- 239000000205 acacia gum Substances 0.000 description 1
- 235000010489 acacia gum Nutrition 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001045 blue dye Substances 0.000 description 1
- 239000005018 casein Substances 0.000 description 1
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 description 1
- 235000021240 caseins Nutrition 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000005262 ferroelectric liquid crystals (FLCs) Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 239000001046 green dye Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 235000018102 proteins Nutrition 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 239000001044 red dye Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- JBJWASZNUJCEKT-UHFFFAOYSA-M sodium;hydroxide;hydrate Chemical compound O.[OH-].[Na+] JBJWASZNUJCEKT-UHFFFAOYSA-M 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Liquid Crystal (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は液晶を用いた画像表示装置およびその製造方法
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image display device using liquid crystal and a manufacturing method thereof.
さらに詳しくは、TV画像やコンピュータ画像等をカラー
表示する液晶を用いた平面表示パネルおよびその製造方
法に関するものである。More specifically, the present invention relates to a flat display panel using a liquid crystal that displays TV images, computer images, and the like in color, and a manufacturing method thereof.
従来の技術 従来カラー液晶表示パネルは、マトリックス状に配置さ
れた対向電極の間に注入された液晶と、カラーフィルタ
を重ね合せた組合せが一般的である。例えば、第３図に
示すように、あらかじめ、ガラス基板３上に画素電極２
を持ったTFTアレイ１を形成したものと、透明基板６上
に複数個の赤青緑のカラーフィルタ11が形成されさらに
その上に共通透明電極５が形成されたものをスペーサ12
を介して組立た後、TN液晶13を注入したパネル構造であ
りさらに、パネルの裏表に偏光板8,9を設置し、バック
ライト10を照射しながら、TFTを動作させ矢印Ａの方向
にカラー画像を表示する構造である。2. Description of the Related Art A conventional color liquid crystal display panel is generally a combination of a liquid crystal injected between counter electrodes arranged in a matrix and a color filter overlapped with each other. For example, as shown in FIG. 3, the pixel electrode 2 is previously formed on the glass substrate 3.
A TFT array 1 having a transparent substrate 6 and a plurality of red, blue and green color filters 11 formed on a transparent substrate 6 and a common transparent electrode 5 formed on the spacer 12
After the assembly, the TN liquid crystal 13 is injected into the panel structure. Furthermore, the polarizing plates 8 and 9 are installed on the front and back of the panel, and while illuminating the backlight 10, operate the TFT and color in the direction of arrow A. It is a structure for displaying an image.
発明が解決しようとする問題点 従って、液晶は、各色要素であるフィルタを通過する光
の単なるシャッタとして用いられており信頼性も十分確
保されているが、従来の構成及び製造方法には、次のよ
うな欠点がある。Therefore, the liquid crystal is used as a mere shutter for the light passing through the filters that are the respective color elements, and its reliability is sufficiently ensured. There is such a drawback.
すなわち、液晶封入とフィルタ製造工程が別々であるた
め、パネルの組立工程が非常に複雑であり生産性が悪い
という大きな欠点がある。That is, since the liquid crystal encapsulation and the filter manufacturing process are separate, the panel assembling process is very complicated and the productivity is poor.
問題点を解決するための手段 本発明は、上述の従来の欠点を解消するものであり、液
晶封入工程およびカラーフィルタ製造工程およびパネル
組立工程を着色材により着色されたポリマ中に液晶がマ
イクロカプセル状に封入された状態でバインダ中に分散
された液晶装置を開発することにより一体化することを
可能にしたものである。Means for Solving the Problems The present invention solves the above-mentioned conventional drawbacks, in which liquid crystal is encapsulated in a polymer colored in a polymer in a liquid crystal encapsulation process, a color filter manufacturing process and a panel assembly process. It was made possible by developing a liquid crystal device that is dispersed in a binder in a state of being encapsulated in a shape.
作用 本発明によれば、マイクロカプセル中に封入された液晶
において、カプセル表面またはバインダをあらかじめ着
色しておいて、マトリクス状に配置された第２の電極群
上に複数色（例えば、赤，青，緑等）に着色された液晶
装置塗膜をストライプ状あるいはモザイク状に配置し、
さらに、第２の電極を載置する方法により、カラーフィ
ルタアレイの形成と液晶の注入およびパネル組立工程を
一体化することが可能となる。Effect According to the present invention, in the liquid crystal enclosed in the microcapsules, the capsule surface or the binder is pre-colored, and a plurality of colors (for example, red and blue) are provided on the second electrode group arranged in a matrix. , Green, etc.) liquid crystal device coatings are arranged in stripes or mosaics,
Furthermore, the method of mounting the second electrode makes it possible to integrate the formation of the color filter array, the liquid crystal injection, and the panel assembly process.
実施例 以下に本発明の画像表示装置に用いる液晶構成体とその
製造方法の一例を第１図とともに説明する。Example An example of a liquid crystal structure used in the image display device of the present invention and an example of a method for manufacturing the same will be described below with reference to FIG.
例えば、ネマティック型，ツイストネマティック型，ス
メスティック型または強誘電型等の液晶材料9g21を10％
ゼラチン水溶液30g22中に滴下し、撹拌しながら分散乳
化23させて、さらに10％アラビアゴム水溶液30g24を添
加し混合25したのち、10％酢酸5ml26,40℃の温水100〜1
40mlの滴下添加27,40℃温水140ml28,10％酢酸滴下29を
用いてPHを４〜4.3に調節し、カプセル原形を作成30し
たのち、５℃程度に冷却31し、30％ホルマリン1ml32お
よび10％NaOH水33を添加し50℃程度まで昇温してカプセ
ルを硬化生成34させて１〜50μｍのマイクロカプセルに
封入された液晶を作成する。For example, 10% of nematic, twisted nematic, smectic or ferroelectric liquid crystal material 9g21
It is added dropwise to 30g22 of gelatin aqueous solution, dispersed and emulsified with stirring 23, and further 30g24 of 10% aqueous solution of gum arabic is added and mixed 25.
Add 40 ml drop wise 27,40 ℃ warm water 140 ml 28, 10% acetic acid drop 29 to adjust PH to 4 to 4.3, make capsule prototype 30, then cool to about 5 ℃ 31, 30% formalin 1 ml 32 and 10 % NaOH water 33 is added and the temperature is raised to about 50 ° C. to cure and form the capsules 34 to form liquid crystals enclosed in microcapsules of 1 to 50 μm.
次に脱水乾燥した後、赤または青または緑の染浴35に浸
漬し、マイクロカプセル表面を染色36する。その後さら
に感光性樹脂よりなるバインダ37または耐熱性バインダ
中に分散して液晶構成体を作成38する。Next, after dehydration and drying, the surface of the microcapsules is dyed 36 by immersing in a red, blue or green dye bath 35. Then, it is further dispersed in a binder 37 made of a photosensitive resin or a heat resistant binder to form 38 a liquid crystal structure.
なお、マイクロカプセル作成用のポリマとしては、ゼラ
チン以外に、カゼイン等のタンパク質，植物ガム，セル
ロース誘導体，縮合ポリマー，ろう物質，多糖類等を用
いることも可能である。In addition to gelatin, proteins such as casein, vegetable gums, cellulose derivatives, condensation polymers, wax substances, and polysaccharides can be used as the polymer for producing the microcapsules.
次に上記液晶構成体を用いた本発明の一実施例における
画像表示装置とその製造方法について説明する。第２図
に示すように、TFTアレイ41および透明画素電極群42の
形成されたガラス基板43上に上述の液晶構成体（赤，
青，緑に着色されたもの44）をそれぞれストライプ状ま
たはモザイク状に載置する。このとき、バインダが光硬
化性のものであれば、ホトリソグラフィ法を用いること
ができるが、感光性がない場合には、印刷法等によって
載置しても良い。さらに、前記液晶に接するように共通
透明電極45の形成された透明基板46を接着剤47を介して
接着載置することにより画像表面パネルを製造できる。Next, an image display device and its manufacturing method in one embodiment of the present invention using the above liquid crystal structure will be described. As shown in FIG. 2, on the glass substrate 43 on which the TFT array 41 and the transparent pixel electrode group 42 are formed, the above liquid crystal structure (red,
Place the ones colored in blue and green44) in stripes or mosaics, respectively. At this time, if the binder is photocurable, photolithography can be used, but if it is not photosensitive, it may be placed by printing or the like. Further, an image front panel can be manufactured by adhesively mounting a transparent substrate 46 on which a common transparent electrode 45 is formed so as to be in contact with the liquid crystal with an adhesive 47.
最後に、２枚の偏光板48,49に挾み、バックライト50を
照射しながらTFTアレイを駆動させると、矢印Ｂ方向に
画像を表示できる。なお第２図において51はマイクロカ
プセル液晶群、52はその一例である緑着色マイクロカプ
セル液晶構成体を示す。なお、この場合、液晶は当然各
カプセル内で配向，非配向を示すことになる。Finally, by sandwiching the two polarizing plates 48 and 49 and driving the TFT array while irradiating the backlight 50, an image can be displayed in the direction of arrow B. In FIG. 2, reference numeral 51 is a microcapsule liquid crystal group, and 52 is a green-colored microcapsule liquid crystal structure which is an example thereof. In this case, the liquid crystal naturally shows orientation or non-orientation in each capsule.
発明の効果 以上述べたように本発明によれば液晶封入工程と、色フ
ィルタ形成工程、およびパネル組立工程を一体化できる
ので装置製造コストを大幅に低減できる効果がある。Effects of the Invention As described above, according to the present invention, the liquid crystal encapsulation process, the color filter forming process, and the panel assembling process can be integrated, so that the device manufacturing cost can be significantly reduced.
第１図は本発明の画像表示装置に用いる液晶構成体の製
造方法を説明するための工程図、第２図，第３図は従来
の画像表示装置の断面図である。 43……ガラス基板、44……液晶構成体、46……透明基
板、51……マイクロカプセル液晶群。FIG. 1 is a process diagram for explaining a method of manufacturing a liquid crystal structure used in an image display device of the present invention, and FIGS. 2 and 3 are sectional views of a conventional image display device. 43 …… Glass substrate, 44 …… Liquid crystal structure, 46 …… Transparent substrate, 51 …… Microcapsule liquid crystal group.
Claims (5)
封入したマイクロカプセルを、光硬化性のバインダ中に
分散させ、前記バインダに光を照射することにより、前
記マイクロカプセルを硬化保持することを特徴とする液
晶構造体。1. A microcapsule, the surface of which is colored with a coloring material and in which a liquid crystal is encapsulated, is dispersed in a photocurable binder, and the binder is irradiated with light to cure and hold the microcapsule. A liquid crystal structure characterized by:
封入したマイクロカプセルを、光硬化性のバインダ中に
分散させ、前記バインダに光を照射することにより、対
向する電極間に前記マイクロカプセルを硬化保持するこ
とを特徴とする画像表示装置。2. A microcapsule whose surface is colored with a coloring material and in which a liquid crystal is encapsulated is dispersed in a photocurable binder, and the binder is irradiated with light, whereby the microcapsule is provided between opposing electrodes. An image display device characterized by curing and holding.
１の電極群上に、表面が着色材料により着色され、かつ
液晶を封入したマイクロカプセルを分散した光硬化性の
バインダを塗布する工程と、前記バインダをパターン状
に光硬化する工程と、前記第１の電極群と対向するよう
に第２の電極を載置する工程を具備することを特徴とす
る画像表示装置の製造方法。3. A step of applying a photocurable binder, the surface of which is colored with a coloring material, and microcapsules in which liquid crystals are encapsulated, are dispersed onto a first electrode group which is arranged in a matrix in advance, A method of manufacturing an image display device comprising: a step of photo-curing a binder in a pattern; and a step of placing a second electrode so as to face the first electrode group.
法を用いることを特徴とする特許請求の範囲第３項記載
の画像表示装置の製造方法。4. A method of manufacturing an image display device according to claim 3, wherein a photolithography method is used in the photo-curing step.
て、前記粒状に液晶を分散した光硬化性のバインダを印
刷法によりパターン状に塗布した後光照射して硬化する
ことを特徴とする特許請求の範囲第３項記載の画像表示
装置の製造方法。5. In the step of applying and the step of photocuring, the photocurable binder in which the liquid crystal is dispersed in the form of particles is applied in a pattern by a printing method and then is irradiated with light to be cured. 5. A method of manufacturing an image display device according to item 3 above.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60169056A JPH0721590B2 (en) | 1985-07-31 | 1985-07-31 | Liquid crystal structure, image display device using the same, and manufacturing method thereof |
| US07/445,097 US5018840A (en) | 1985-07-31 | 1989-12-06 | Image display device having a photosetting binder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60169056A JPH0721590B2 (en) | 1985-07-31 | 1985-07-31 | Liquid crystal structure, image display device using the same, and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6228711A JPS6228711A (en) | 1987-02-06 |
| JPH0721590B2 true JPH0721590B2 (en) | 1995-03-08 |
Family
ID=15879519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60169056A Expired - Fee Related JPH0721590B2 (en) | 1985-07-31 | 1985-07-31 | Liquid crystal structure, image display device using the same, and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0721590B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101583988B1 (en) * | 2014-09-24 | 2016-01-19 | 주식회사 니프코코리아 | An air vent for a vehicle |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0830801B2 (en) * | 1987-10-02 | 1996-03-27 | 宇部興産株式会社 | Liquid crystal display |
| JPH01267516A (en) * | 1988-04-20 | 1989-10-25 | Idemitsu Kosan Co Ltd | Liquid crystal optical element and its production |
| JP2569734B2 (en) * | 1988-06-21 | 1997-01-08 | 旭硝子株式会社 | Liquid crystal optical element, method of manufacturing the same, and liquid crystal display device using the same |
| JP2712327B2 (en) * | 1988-07-14 | 1998-02-10 | 旭硝子株式会社 | REINFORCED LIQUID CRYSTAL OPTICAL ELEMENT, ITS MANUFACTURING METHOD, AND LIGHT CONTROL DEVICE |
| JPH0496713U (en) * | 1991-01-31 | 1992-08-21 | ||
| KR930005559B1 (en) * | 1991-06-14 | 1993-06-23 | 삼성전관 주식회사 | Plane display devices |
| US5469278A (en) * | 1992-09-25 | 1995-11-21 | Matsushita Electric Industrial Co., Ltd. | Liquid crystal panel and viewfinder for video camera and projection display using liquid crystal panel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU580251B2 (en) * | 1983-03-30 | 1989-01-12 | Bell, James Roeder III | Colored encapsulated liquid crystal apparatus using enhanced scattering, imbibition method, and scanned multicolor displays |
-
1985
- 1985-07-31 JP JP60169056A patent/JPH0721590B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101583988B1 (en) * | 2014-09-24 | 2016-01-19 | 주식회사 니프코코리아 | An air vent for a vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6228711A (en) | 1987-02-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |