WO2014025114A1 - 유기 발광 화합물 및 이를 이용한 유기 전계 발광 소자 - Google Patents
유기 발광 화합물 및 이를 이용한 유기 전계 발광 소자 Download PDFInfo
- Publication number
- WO2014025114A1 WO2014025114A1 PCT/KR2013/002526 KR2013002526W WO2014025114A1 WO 2014025114 A1 WO2014025114 A1 WO 2014025114A1 KR 2013002526 W KR2013002526 W KR 2013002526W WO 2014025114 A1 WO2014025114 A1 WO 2014025114A1
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- aryl
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- Ceased
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- 0 CCC(C)C1C(C(C(CC(C)C)*IC)C(C(C)CC(C)(C)C)C2*(CC)CC2)C(C)(C)[C@](*)C(C)C1C(C)C Chemical compound CCC(C)C1C(C(C(CC(C)C)*IC)C(C(C)CC(C)(C)C)C2*(CC)CC2)C(C)(C)[C@](*)C(C)C1C(C)C 0.000 description 3
- BIXIYWLGOGLUQW-UHFFFAOYSA-N c(c1c2ccc3c1[nH]c1c3nccc1)c[n]2-c1ccccc1 Chemical compound c(c1c2ccc3c1[nH]c1c3nccc1)c[n]2-c1ccccc1 BIXIYWLGOGLUQW-UHFFFAOYSA-N 0.000 description 2
- HZUKQGFQSSXRSK-UHFFFAOYSA-N Bc1cnc(-c2ccccc2)nc1 Chemical compound Bc1cnc(-c2ccccc2)nc1 HZUKQGFQSSXRSK-UHFFFAOYSA-N 0.000 description 1
- VXWVFZFZYXOBTA-UHFFFAOYSA-N Brc(cc1)cc2c1[nH]cc2 Chemical compound Brc(cc1)cc2c1[nH]cc2 VXWVFZFZYXOBTA-UHFFFAOYSA-N 0.000 description 1
- JJGKNOXGPBPOEL-CLTKARDFSA-N C/C=C\C(Nc1ccccc1)=C Chemical compound C/C=C\C(Nc1ccccc1)=C JJGKNOXGPBPOEL-CLTKARDFSA-N 0.000 description 1
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- MAJDOJCQOALBJK-UHFFFAOYSA-N C1C=CC=CC1c1cccc(-c2nc(-c3cc(-c4ccccc4)ccc3)nc(-[n](cc3)c4c3ncc3c4[nH]c4ccccc34)n2)c1 Chemical compound C1C=CC=CC1c1cccc(-c2nc(-c3cc(-c4ccccc4)ccc3)nc(-[n](cc3)c4c3ncc3c4[nH]c4ccccc34)n2)c1 MAJDOJCQOALBJK-UHFFFAOYSA-N 0.000 description 1
- ODYMXWCABIMRBB-NJMVCRMVSA-N C=C/C=C\C(C(/C=C(\N=C)/Br)=C)=C Chemical compound C=C/C=C\C(C(/C=C(\N=C)/Br)=C)=C ODYMXWCABIMRBB-NJMVCRMVSA-N 0.000 description 1
- PNTBYXPINARJIS-UHFFFAOYSA-N CC(C)c(cccc1)c1-c1cnc(cc[nH]2)c2c1 Chemical compound CC(C)c(cccc1)c1-c1cnc(cc[nH]2)c2c1 PNTBYXPINARJIS-UHFFFAOYSA-N 0.000 description 1
- IPWKHHSGDUIRAH-UHFFFAOYSA-N CC1(C)OB(B2OC(C)(C)C(C)(C)O2)OC1(C)C Chemical compound CC1(C)OB(B2OC(C)(C)C(C)(C)O2)OC1(C)C IPWKHHSGDUIRAH-UHFFFAOYSA-N 0.000 description 1
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- XRDUITAZJBSYAL-UHFFFAOYSA-N CC1(C)c(c([nH]cc2)c2nc2)c2-c2c1cccc2 Chemical compound CC1(C)c(c([nH]cc2)c2nc2)c2-c2c1cccc2 XRDUITAZJBSYAL-UHFFFAOYSA-N 0.000 description 1
- DRKDUPAUSMWEIF-DEOSSOPVSA-N CC[C@H](C)C(N(C=C(C1)c2ccccc2)c2ccccc2)=C1N(C)c1cnc(-c2ccccc2)nc1 Chemical compound CC[C@H](C)C(N(C=C(C1)c2ccccc2)c2ccccc2)=C1N(C)c1cnc(-c2ccccc2)nc1 DRKDUPAUSMWEIF-DEOSSOPVSA-N 0.000 description 1
- DDGPPAMADXTGTN-UHFFFAOYSA-N Clc1nc(-c2ccccc2)nc(-c2ccccc2)n1 Chemical compound Clc1nc(-c2ccccc2)nc(-c2ccccc2)n1 DDGPPAMADXTGTN-UHFFFAOYSA-N 0.000 description 1
- JYKZAQMWNGPTDT-UHFFFAOYSA-N [O-][N+](C1=C(C=CC=C2)C2=CCC1c1cncc2c1cc[nH]2)=O Chemical compound [O-][N+](C1=C(C=CC=C2)C2=CCC1c1cncc2c1cc[nH]2)=O JYKZAQMWNGPTDT-UHFFFAOYSA-N 0.000 description 1
- KUQCKPASXPNDMG-BFHBGLAWSA-N [O-][N+](C1=C2C=CC=CC22C=CNC[C@H]12)=O Chemical compound [O-][N+](C1=C2C=CC=CC22C=CNC[C@H]12)=O KUQCKPASXPNDMG-BFHBGLAWSA-N 0.000 description 1
- LFXAEFQQACXEEE-UHFFFAOYSA-N [O-][N+](c(cccc1)c1-c1cc([n](cc2)-c3nc(-c4cccc(-c5ccccc5)c4)nc(-c4cc(-c5ccccc5)ccc4)n3)c2nc1)=O Chemical compound [O-][N+](c(cccc1)c1-c1cc([n](cc2)-c3nc(-c4cccc(-c5ccccc5)c4)nc(-c4cc(-c5ccccc5)ccc4)n3)c2nc1)=O LFXAEFQQACXEEE-UHFFFAOYSA-N 0.000 description 1
- BXRLDTYMVUAJSL-UHFFFAOYSA-N [O-][N+](c(cnc(-c1ccccc1)c1)c1-c1cc(cc[n]2-c3nc(cccc4)c4cc3)c2nc1)=O Chemical compound [O-][N+](c(cnc(-c1ccccc1)c1)c1-c1cc(cc[n]2-c3nc(cccc4)c4cc3)c2nc1)=O BXRLDTYMVUAJSL-UHFFFAOYSA-N 0.000 description 1
- BXEBQIFEYXIPFG-UHFFFAOYSA-N [O-][N+](c(cncc1)c1-c1cc([n](cc2)-c3nccc(-c4ccccc4)c3)c2cc1)=O Chemical compound [O-][N+](c(cncc1)c1-c1cc([n](cc2)-c3nccc(-c4ccccc4)c3)c2cc1)=O BXEBQIFEYXIPFG-UHFFFAOYSA-N 0.000 description 1
- QCGDEOFINXHYRN-UHFFFAOYSA-N [O-][N+](c1c(C(C2)C=Nc3c2cc[nH]3)cc(-c2ccccc2)nc1)=O Chemical compound [O-][N+](c1c(C(C2)C=Nc3c2cc[nH]3)cc(-c2ccccc2)nc1)=O QCGDEOFINXHYRN-UHFFFAOYSA-N 0.000 description 1
- ZHYAIJVZMUIILX-UHFFFAOYSA-N c([n](c1ccc2c3ncccc3[nH]c2c11)-c2ccccc2)c1-c1ccccc1 Chemical compound c([n](c1ccc2c3ncccc3[nH]c2c11)-c2ccccc2)c1-c1ccccc1 ZHYAIJVZMUIILX-UHFFFAOYSA-N 0.000 description 1
- BBLFTSCRBBRWRY-UHFFFAOYSA-N c(c(c1ccc2c3c4cccn3)c2[n]4-c2nc(-c3ccccc3)nc(-c3ccccc3)n2)c[n]1-c1ccccc1 Chemical compound c(c(c1ccc2c3c4cccn3)c2[n]4-c2nc(-c3ccccc3)nc(-c3ccccc3)n2)c[n]1-c1ccccc1 BBLFTSCRBBRWRY-UHFFFAOYSA-N 0.000 description 1
- QZHPXXSPKNSFSE-UHFFFAOYSA-N c(c(nc1)c2c3c1c1ccccc1[n]3-c1ccccc1)c[n]2-c1nc(-c2cccc(-c3ccccc3)c2)nc(-c2cc(-c3ccccc3)ccc2)n1 Chemical compound c(c(nc1)c2c3c1c1ccccc1[n]3-c1ccccc1)c[n]2-c1nc(-c2cccc(-c3ccccc3)c2)nc(-c2cc(-c3ccccc3)ccc2)n1 QZHPXXSPKNSFSE-UHFFFAOYSA-N 0.000 description 1
- HFFKZIDYTVVONZ-UHFFFAOYSA-N c(c1ncc(c(cccc2)c2[nH]2)c2c11)c[n]1-c1nc(-c2cccc(-c3ccccc3)c2)nc(-c2cc(-c3ccccc3)ccc2)n1 Chemical compound c(c1ncc(c(cccc2)c2[nH]2)c2c11)c[n]1-c1nc(-c2cccc(-c3ccccc3)c2)nc(-c2cc(-c3ccccc3)ccc2)n1 HFFKZIDYTVVONZ-UHFFFAOYSA-N 0.000 description 1
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- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/12—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains three hetero rings
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
- H10K50/15—Hole transporting layers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/17—Carrier injection layers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/30—Coordination compounds
- H10K85/341—Transition metal complexes, e.g. Ru(II)polypyridine complexes
- H10K85/342—Transition metal complexes, e.g. Ru(II)polypyridine complexes comprising iridium
Definitions
- the present invention relates to a novel organic light emitting compound and an organic electroluminescent device using the same, and more particularly, a novel indole compound having excellent hole injection and transporting ability, light emitting ability, and the like, in the at least one organic material layer, thereby driving luminous efficiency and driving.
- the present invention relates to an organic EL device having improved characteristics such as voltage and lifetime.
- the material used as the organic material layer may be classified into a light emitting material, a hole injection material, a hole transport material, an electron transport material, an electron injection material and the like according to a function.
- the light emitting layer forming material of the organic EL device may be classified into blue, green, and red light emitting materials according to light emission colors.
- yellow and orange light emitting materials are also used as light emitting materials to realize better natural colors.
- a host / dopant system may be used as the light emitting material.
- the dopant material may be divided into a fluorescent dopant using an organic material and a phosphorescent dopant using a metal complex compound containing heavy atoms such as Ir and Pt.
- the development of phosphorescent materials can theoretically improve the luminous efficiency up to four times compared to fluorescence, so attention is focused on phosphorescent dopants as well as phosphorescent host materials.
- NPB, BCP, Alq 3 and the like represented by the following formulas are widely known, and anthracene derivatives have been reported as fluorescent dopant / host materials in the light emitting material.
- metal complex compounds including Ir such as Firpic, Ir (ppy) 3 , and (acac) Ir (btp) 2 are used as blue, green, and red dopant materials.
- CBP has shown excellent properties as a phosphorescent host material.
- an object of the present invention is to provide a novel indole-based material that can be used as a light emitting layer to improve the driving voltage, luminous efficiency and the like of the device and an organic electroluminescent device using the same.
- the present invention to achieve the above object provides a compound represented by the following formula (1).
- Y 1 to Y 4 are the same as or different from each other, and each independently selected from N and CR 3 ,
- At least one of Y 1 and Y 2 , Y 2 and Y 3 , or Y 3 and Y 4 is CR 3 to form a condensed ring represented by Formula 2;
- the dotted line means a site where condensation occurs with the compound of Formula 1;
- Y 5 to Y 8 are the same as or different from each other, and each independently selected from N and CR 4 ,
- X 1 and X 2 are the same as or different from each other, each independently selected from O, S, Se, N (Ar 1 ), C (Ar 2 ) (Ar 3 ), and Si (Ar 4 ) (Ar 5 ) Wherein at least one of X 1 and X 2 is N (Ar 1 ),
- R 1 to R 4 are the same as or different from each other, and each independently hydrogen, deuterium, halogen, cyano, a substituted or unsubstituted C 1 -C 40 alkyl group, a substituted or unsubstituted C 3 -C 40 cyclo An alkyl group, a substituted or unsubstituted heterocycloalkyl group having 3 to 40 nuclear atoms, a substituted or unsubstituted C 6 to C 60 aryl group, a substituted or unsubstituted heteroaryl group having 5 to 60 nuclear atoms, substituted or Unsubstituted C 1 to C 40 alkyloxy group, substituted or unsubstituted C 6 to C 60 aryloxy group, substituted or unsubstituted C 1 to C 40 alkylsilyl group, substituted or unsubstituted C 6 Aryl silyl group of ⁇ C 60 , substituted or unsubstituted C 1 ⁇ C 40 al
- Ar 1 to Ar 5 are the same as or different from each other, and each independently a substituted or unsubstituted C 1 to C 40 alkyl group, a substituted or unsubstituted C 3 to C 40 cycloalkyl group, a substituted or unsubstituted nuclear atom A heterocycloalkyl group of 3 to 40, a substituted or unsubstituted C 6 -C 60 aryl group, a substituted or unsubstituted heteroaryl group of 5 to 60 nuclear atoms, a substituted or unsubstituted C 1 -C 40 Alkyloxy group, substituted or unsubstituted aryloxy group, substituted or unsubstituted C 1 ⁇ C 40 alkylsilyl group, substituted or unsubstituted C 6 ⁇ C 60 arylsilyl group, substituted or unsubstituted C 1 ⁇ C 40 group of an alkyl boron, substituted or unsubstituted
- Y 1 to Y 8 includes at least one N.
- the present invention also provides an organic EL device comprising (i) an anode, (ii) a cathode, and (iii) at least one organic layer interposed between the anode and the cathode, wherein at least one of the organic layers is Provided is an organic EL device comprising at least one compound represented by one.
- the compound represented by Formula 1 is preferably used as a phosphorescent host of the light emitting layer.
- the novel indole compound represented by Chemical Formula 1 of the present invention may exhibit excellent heat resistance, hole injection and transport ability, light emitting ability, and the like.
- an organic EL device including the compound represented by Chemical Formula 1 as a phosphorescent / fluorescent host, a dopant, or the like of a hole injection / transport layer or a light emitting layer may be greatly improved in terms of light emission performance, driving voltage, lifetime, efficiency, and the like. It can be effectively applied to a full color display panel and the like.
- the present invention is a novel indole-based compound having a higher molecular weight than the conventional organic EL device material (for example, 4,4-dicarbazolybiphenyl (hereinafter referred to as CBP)) and having excellent driving voltage characteristics and efficiency.
- CBP 4,4-dicarbazolybiphenyl
- the novel indole-based compound represented by Formula 1 has a condensed carbon ring or a condensed heterocyclic moiety, preferably a condensed heterocyclic moiety, connected to an indole-based skeleton, and the energy level is increased by various substituents.
- the energy level is increased by various substituents.
- the phosphorescence properties of the device may be improved, and the electron and / or hole transport ability, the luminous efficiency, the driving voltage, and the lifespan characteristics may be improved, and the hole transport layer, the electron transport layer, and the light emitting host may be introduced by introducing various substituents as well as the light emitting layer. And the like can be applied.
- due to the indole-based skeleton it can exhibit excellent characteristics as a light emitting host material compared to the existing CBP.
- the molecular weight of the compound is significantly increased due to the various aromatic ring substituents introduced into the indole-based skeleton, so that the glass transition temperature is improved, thereby having a higher thermal stability than the conventional CBP. Therefore, the device including the novel compound represented by the formula (1) of the present invention can greatly improve the durability and life characteristics.
- the compound represented by Chemical Formula 1 of the present invention when adopted as a hole injection / transport layer, a blue, green and / or red phosphorescent host material or a fluorescent host material of an organic EL device, it is superior in terms of efficiency and lifetime compared to CBP. It can be effective. Therefore, the compound according to the present invention can greatly contribute to the improvement of the performance and the life of the organic EL device.
- R 1 to R 4 are the same as or different from each other, and each independently hydrogen, deuterium, halogen, cyano group, C 1 to C 40 alkyl group, C 3 to C 40 Of cycloalkyl group, heterocycloalkyl group of 3 to 40 nuclear atoms, aryl group of C 6 to C 60 , heteroaryl group of 5 to 60 nuclear atoms, alkyloxy group of C 1 to C 40 , C 6 to C 60 Aryloxy group, C 1 to C 40 alkylsilyl group, C 6 to C 60 arylsilyl group, C 1 to C 40 alkyl boron group, C 6 to C 60 aryl boron group, C 6 to C 60 It is preferably selected from the group consisting of an aryl phosphine group, a C 6 ⁇ C 60 aryl phosphine oxide group, and a C 6 ⁇ C 60 arylamine group.
- each of R 1 to R 4 is independently hydrogen, C 6 ⁇ C 60 aryl group (eg phenyl, naphthyl, bisphenyl), 5 to nuclear atoms More preferably, it is a 60 heteroaryl group (eg pyridine).
- X 1 and X 2 are each independently O, S, Se, N (Ar 1 ), C (Ar 2 ) (Ar 3 ) and Si (Ar 4 ) (Ar 5 ), wherein at least one of X 1 and X 2 may be N (Ar 1 ), and preferably, both X 1 and X 2 are N (Ar 1 ).
- Y 1 to Y 8 are each independently selected from N and CR 4 , and include at least one N.
- N is one.
- Ar 1 to Ar 5 are each independently a C 1 ⁇ C 40 alkyl group, C 3 ⁇ C 40 cycloalkyl group, nuclear atom 3 to 40 heterocycloalkyl group, C 6 ⁇ C 60 aryl group, nuclear atom 5 to 60 heteroaryl group, C 1 ⁇ C 40 alkyloxy group, C 6 ⁇ C 60 aryloxy group, C 1 ⁇ C 40 alkylsilyl group, C 6 ⁇ C 60 arylsilyl group, C 1 ⁇ C 40 alkyl boron group, C 6 ⁇ C 60 aryl boron group, C 6 ⁇ C 60 aryl phosphine group, C 6 ⁇ C 60 aryl phosphine oxide Group and a C 6 -C 60 arylamine group.
- Ar 1 to Ar 5 are each independently a C 1 ⁇ C 40 alkyl group, C 6 ⁇ C 60 aryl group, a nuclear atom of 5 to 60 heteroaryl group or C 6 ⁇ C 60 arylamine group
- the C 6 ⁇ C 60 Aryl group, the heteroaryl group of 5 to 60 nuclear atoms and the C 6 ⁇ C 60 arylamine group are each C 1 ⁇ C 40 Alkyl group, C 6 ⁇ C 60 aryl And heteroaryl groups having 5 to 60 nuclear atoms.
- Ar 1 to Ar 5 which are substituents of the compound of formula 1 according to the present invention, are each independently selected from the following substituent (functional group) groups, for example, S1 to S177. However, this is not particularly limited.
- the compound represented by the formula (1) according to the present invention may be more specified as a compound of any one of the following formulas (3) to (8):
- X 1 and X 2 are each independently selected from O, S, Se, N (Ar 1 ), C (Ar 2 ) (Ar 3 ) and Si (Ar 4 ) (Ar 5 ), wherein At least one of X 1 and X 2 may be N (Ar 1 ), and preferably, both X 1 and X 2 are N (Ar 1 ).
- Y 1 to Y 8 are each independently selected from N and CR 4 , and include at least one N.
- N is one.
- unsubstituted alkyl is a straight or branched chain saturated hydrocarbon of 1 to 40 carbon atoms, examples of which include methyl, ethyl, propyl, isobutyl, sec-butyl, pentyl, iso-amyl, hexyl and the like. Include.
- Unsubstituted aryl means an aromatic moiety having 6 to 60 carbon atoms, singly or in combination of two or more rings. Two or more rings may be attached in a simple or condensed form with one another.
- Unsubstituted heteroaryl means a monoheterocyclic or polyheterocyclic aromatic moiety having 5 to 60 nuclear atoms, wherein at least one carbon in the ring, preferably 1 to 3 carbons, is N, O, S Or a hetero atom such as Se. It is understood that two or more rings may be attached in a simple or condensed form with each other and further include a condensed form with an aryl group.
- Condensed ring means a condensed aliphatic ring, a condensed aromatic ring, a condensed heteroaliphatic ring, a condensed heteroaromatic ring or a combined form thereof.
- the compound represented by the formula (1) of the present invention described above may be more embodied by the formulas exemplified below, for example, formulas C-1 to C-291.
- the compound represented by the formula (1) of the present invention is not limited by those illustrated below.
- Ar 1 may be the same as or different from each other even if the same is indicated, and is the same as in Formula 1 defined above. In this case, Ar 1 is preferably selected from the following substituent groups.
- the compound represented by Formula 1 may be synthesized according to a general synthetic method. Detailed synthesis procedures for the compounds of the present invention will be described in detail in the synthesis examples described below.
- another aspect of the present invention relates to an organic electroluminescent device comprising a compound represented by the formula (1) according to the present invention.
- the organic electroluminescent device comprises (i) an anode; (ii) a cathode; And (iii) one or more organic material layers interposed between the anode and the cathode, wherein at least one of the organic material layers includes at least one compound represented by Chemical Formula 1.
- the organic material layer including the compound represented by Chemical Formula 1 may be any one or more of a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, and an electron injection layer.
- the organic material layer is preferably a hole transport layer, a light emitting layer or an electron transport layer, more preferably a light emitting layer.
- the light emitting layer of the organic electroluminescent device according to the present invention may contain a host material, wherein any one of the compounds represented by Formula 1 may be used as the host material.
- a host material such as any one of the compounds represented by Chemical Formula 1
- organic electroluminescence having excellent efficiency (light emitting efficiency and power efficiency), lifetime, luminance, driving voltage, etc., because the bonding force between holes and electrons in the light emitting layer is increased.
- An element can be provided.
- the compound represented by Chemical Formula 1 may be included in the organic light emitting device as a blue, green and / or red phosphorescent host, a fluorescent host, or a dopant material. It can also be used as a dopant material.
- the structure of the organic electroluminescent device according to the present invention is not particularly limited, but non-limiting examples thereof may include a substrate, an anode, a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, and a cathode sequentially stacked.
- at least one of the hole injection layer, the hole transport layer, and the light emitting layer may include at least one compound represented by Chemical Formula 1.
- the compound of the present invention can be used as a phosphorescent host or a fluorescent host of the light emitting layer.
- An electron injection layer may be positioned on the electron transport layer.
- the organic EL device according to the present invention may not only have a structure in which an anode, one or more organic material layers, and a cathode are sequentially stacked, but an insulating layer or an adhesive layer may be inserted at an interface between an electrode and an organic material layer.
- the organic material layer including the compound represented by Formula 1 may be formed by a vacuum deposition method or a solution coating method.
- the solution coating method include, but are not limited to, spin coating, dip coating, doctor blading, inkjet printing, or thermal transfer.
- the organic EL device according to the present invention forms an organic material layer and an electrode using materials and methods known in the art, except that at least one layer of the organic material layer is formed to include the compound represented by Formula 1 of the present invention. It can be manufactured by.
- a silicon wafer, quartz or glass plate, metal plate, plastic film or sheet may be used as the substrate.
- the anode material may be a metal such as vanadium, chromium, copper, zinc, gold or an alloy thereof; Metal oxides such as zinc oxide, indium oxide, indium tin oxide (ITO), indium zinc oxide (IZO); Combinations of metals and oxides such as ZnO: Al or SnO 2 : Sb; Conductive polymers such as polythiophene, poly (3-methylthiophene), poly [3,4- (ethylene-1,2-dioxy) thiophene] (PEDT), polypyrrole and polyaniline; Or carbon black, but is not limited thereto.
- Metal oxides such as zinc oxide, indium oxide, indium tin oxide (ITO), indium zinc oxide (IZO); Combinations of metals and oxides such as ZnO: Al or SnO 2 : Sb
- Conductive polymers such as polythiophene, poly (3-methylthiophene), poly [3,4- (ethylene-1,2-dioxy) thiophene] (PEDT),
- the negative electrode material may be a metal such as magnesium, calcium, sodium, potassium, titanium, indium, yttrium, lithium, gadolinium, aluminum, silver, tin, or lead or an alloy thereof; Multilayer structure materials such as LiF / Al or LiO 2 / Al, and the like, but are not limited thereto.
- the hole injection layer, the hole transport layer, the electron injection layer and the electron transport layer is not particularly limited, conventional materials known in the art may be used.
- 6-bromo-1H-indole 25 g, 0.128 mol
- 4,4,4 ', 4', 5,5,5 ', 5'-octamethyl-2,2'-bi (1,3) under nitrogen stream
- 2-dioxaborolane 48.58 g, 0.191 mol
- Pd (dppf) Cl 2 5.2 g, 5 mol
- KOAc 37.55 g, 0.383 mol
- DMF 500 ml
- 3-phenyl-7 obtained in ⁇ Step 2> instead of 6- (4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) -1H-indole and 2-chloro-3-nitropyridine Except for using-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) -1H-indole and 3-bromo-4-nitropyridine, ⁇ The procedure of step 2> was followed to obtain 7- (4-nitropyridin-3-yl) -3-phenyl-1H-indole.
- 6- (3-nitropyridin-4-yl) -1H-indole and 2-bromo-4-phenylpyridine obtained in ⁇ Step 1> instead of 6- (3-nitropyridin-2-yl) -1H-indole and 3-bromobiphenyl Except for using, the same process as in ⁇ Step 3> of Preparation Example 1 to 6- (3-nitropyridin-4-yl) -1- (4-phenylpyridin-2-yl) -1H-indole Got.
- 3-phenyl-7 obtained in ⁇ Step 2> instead of 6- (4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) -1H-indole and 2-chloro-3-nitropyridine Except that-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) -1H-indole and 4-chloro-3-nitropyridine were used, the ⁇ The procedure of step 2> was followed to obtain 7- (3-nitropyridin-4-yl) -2,3-diphenyl-1H-indole.
- 6-bromo-1H-pyrrolo [3,2- instead of 6- (4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) -1H-indole and 2-chloro-3-nitropyridine b] 6- (2-nitrophenyl) -1H-pyrrolo [3,2-b] pyridine by following the same procedure as in ⁇ Step 2> of Preparation Example 1, except that pyridine and 2-nitrophenylboronic acid were used. Got.
- 6-bromo-1H-pyrrolo [3,2- instead of 6- (4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) -1H-indole and 2-chloro-3-nitropyridine b] except that pyridine and 2-isopropylphenylboronic acid were used, the same procedure as in ⁇ Step 2> of Preparation Example 1 was carried out to give 6- (2-isopropylphenyl) -1H-pyrrolo [3,2-b] pyridine Got.
- a target compound was prepared in the same manner as in Synthesis Example 1, except that IC-2 and 6-bromo-2,3'-bipyridine, which were prepared in Preparation Example 2, were used instead of IC-1 and iodobenzene. -5 (4.63 g, yield 60%) was obtained.
- a target compound was prepared in the same manner as in Synthesis Example 1, except that IC-3 and 6-bromo-2,4'-bipyridine, which were prepared in Preparation Example 3, were used instead of IC-1 and iodobenzene. -7 (3.95 g, yield 54%) was obtained.
- Inv-11 (4.66 g, yield) was obtained by the same procedure as in Synthesis Example 1, except that IC-5 and 3-bromobiphenyl, which were prepared in Preparation Example 5, were used instead of IC-1 and iodobenzene. 72%).
- Inv-13 a target compound, was prepared in the same manner as in Synthesis Example 1, except that IC-6 and 4- (4-bromophenyl) isoquinoline, which were prepared in Preparation Example 6, were used instead of IC-1 and iodobenzene. (4.54 g, yield 58%) was obtained.
- Inv-16 (4.00 g, yield) was obtained by the same procedure as in Synthesis Example 1, except that IC-7 and 3-bromoquinoline, which were prepared in Preparation Example 7, were used instead of IC-1 and iodobenzene. 61%).
- Inv-17 a target compound, was prepared in the same manner as in Synthesis Example 1, except that IC-8 and 2- (3-bromophenyl) pyridine, which were prepared in Preparation Example 8, were used instead of IC-1 and iodobenzene. (4.42 g, yield 68%) was obtained.
- a target compound was prepared in the same manner as in Synthesis Example 1, except that IC-9 and 1-bromo-3,5-diphenyl benzene, which were prepared in Preparation Example 9, were used instead of IC-1 and iodobenzene. -19 (5.14 g, yield 63%) was obtained.
- a compound of Inv-29 (6.86 g, 81% yield) was obtained by the same procedure as in Synthesis Example 2, except that IC-14, a compound prepared in Preparation Example 14, was used instead of IC-1.
- a target compound was prepared in the same manner as in Synthesis Example 1, except that IC-14 and 6-bromo-2,4'-bipyridine, which were prepared in Preparation Example 14, were used instead of IC-1 and iodobenzene. -30 (4.24 g, yield 58%) was obtained.
- Inv-31 (4.03 g, Yield) of the target compound was carried out in the same manner as in Synthesis Example 1, except that IC-15 and 4-bromobiphenyl, which were prepared in Preparation Example 15, were used instead of IC-1 and iodobenzene. 48%).
- a target compound was prepared in the same manner as in Synthesis Example 1, except that IC-17 and 6-bromo-2,3'-bipyridine, which were prepared in Preparation Example 17, were used instead of IC-1 and iodobenzene. -36 (4.43 g, yield 62%) was obtained.
- a glass substrate coated with ITO Indium tin oxide
- ITO Indium tin oxide
- a solvent such as isopropyl alcohol, acetone, methanol, etc.
- UV OZONE cleaner Power sonic 405, Hwasin Tech
- An organic EL device was manufactured in the same manner as in Example 1, except that CBP was used instead of the compound Inv-1 as a light emitting host material when forming the emission layer.
- Example 1 Sample Host Drive voltage (V) EL peak (nm) Current efficiency (cd / A) Example 1 Inv-1 6.78 517 41.4 Example 2 Inv-2 6.61 516 41.3 Example 3 Inv-3 6.63 516 40.5 Example 4 Inv-4 6.61 515 41.2 Example 5 Inv-5 6.61 517 40.6 Example 6 Inv-6 6.77 516 42.0 Example 7 Inv-7 6.78 51 40.5 Example 8 Inv-8 6.60 516 41.2 Example 9 Inv-9 6.79 517 41.3 Example 10 Inv-10 6.65 516 40.2 Example 11 Inv-11 6.77 515 41.1 Example 12 Inv-12 6.79 518 41.3 Example 13 Inv-13 6.62 517 40.2 Example 14 Inv-14 6.63 518 40.5 Example 15 Inv-15 6.61 516 41.2 Example 16 Inv-16 6.79 516 41.3 Example 17 Inv-17 6.67 517 39.5 Example 18 Inv-18 6.66 515 39.6 Example 19 Inv-19 6.69 518 39.3 Example 20 Inv-20 6.65 517 39.8 Example 21 Inv-21
- the organic EL device of Examples 1 to 36 which uses the compounds (Inv-1 to Inv-36) according to the present invention as the light emitting layer of the green organic EL device, uses a conventional CBP.
- the green organic electroluminescent element of the comparative example 1 it turns out that it shows more excellent performance in efficiency and a drive voltage.
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Abstract
Description
| 샘플 | 호스트 | 구동 전압(V) | EL 피크(nm) | 전류효율(cd/A) |
| 실시예 1 | Inv-1 | 6.78 | 517 | 41.4 |
| 실시예 2 | Inv-2 | 6.61 | 516 | 41.3 |
| 실시예 3 | Inv-3 | 6.63 | 516 | 40.5 |
| 실시예 4 | Inv-4 | 6.61 | 515 | 41.2 |
| 실시예 5 | Inv-5 | 6.61 | 517 | 40.6 |
| 실시예 6 | Inv-6 | 6.77 | 516 | 42.0 |
| 실시예 7 | Inv-7 | 6.78 | 51 | 40.5 |
| 실시예 8 | Inv-8 | 6.60 | 516 | 41.2 |
| 실시예 9 | Inv-9 | 6.79 | 517 | 41.3 |
| 실시예 10 | Inv-10 | 6.65 | 516 | 40.2 |
| 실시예 11 | Inv-11 | 6.77 | 515 | 41.1 |
| 실시예 12 | Inv-12 | 6.79 | 518 | 41.3 |
| 실시예 13 | Inv-13 | 6.62 | 517 | 40.2 |
| 실시예 14 | Inv-14 | 6.63 | 518 | 40.5 |
| 실시예 15 | Inv-15 | 6.61 | 516 | 41.2 |
| 실시예 16 | Inv-16 | 6.79 | 516 | 41.3 |
| 실시예 17 | Inv-17 | 6.67 | 517 | 39.5 |
| 실시예 18 | Inv-18 | 6.66 | 515 | 39.6 |
| 실시예 19 | Inv-19 | 6.69 | 518 | 39.3 |
| 실시예 20 | Inv-20 | 6.65 | 517 | 39.8 |
| 실시예 21 | Inv-21 | 6.66 | 518 | 40.2 |
| 실시예 22 | Inv-22 | 6.72 | 518 | 39.5 |
| 실시예 23 | Inv-23 | 6.60 | 519 | 39.2 |
| 실시예 24 | Inv-24 | 6.63 | 516 | 39.1 |
| 실시예 25 | Inv-25 | 6.69 | 517 | 39.9 |
| 실시예 26 | Inv-26 | 6.51 | 515 | 40.1 |
| 실시예 27 | Inv-27 | 6.59 | 517 | 39.5 |
| 실시예 28 | Inv-28 | 6.51 | 518 | 39.9 |
| 실시예 29 | Inv-29 | 6.72 | 517 | 39.1 |
| 실시예 30 | Inv-30 | 6.66 | 516 | 40.2 |
| 실시예 31 | Inv-31 | 6.77 | 515 | 40.0 |
| 실시예 32 | Inv-32 | 6.78 | 516 | 40.3 |
| 실시예 33 | Inv-33 | 6.62 | 517 | 41.2 |
| 실시예 34 | Inv-34 | 6.63 | 516 | 42.3 |
| 실시예 35 | Inv-35 | 6.61 | 518 | 40.7 |
| 실시예 36 | Inv-36 | 6.70 | 517 | 41.3 |
| 비교예 1 | CBP | 6.93 | 516 | 38.2 |
Claims (9)
- 하기 화학식 1로 표시되는 화합물:[화학식 1]상기 식에서,Y1 내지 Y4은 서로 같거나 또는 상이하며, 각각 독립적으로 N, CR3에서 선택되고,Y1과 Y2, Y2와 Y3, 또는 Y3와 Y4 중 적어도 하나는 CR3로, 하기 화학식 2로 표시되는 축합 고리를 형성하며;[화학식 2]점선은 화학식 1의 화합물과 축합이 이루어지는 부위를 의미하며;Y5 내지 Y8 은 서로 같거나 또는 상이하며, 각각 독립적으로 N, CR4에서 선택되고,X1 및 X2는 서로 같거나 또는 상이하며, 각각 독립적으로 O, S, Se, N(Ar1), C(Ar2)(Ar3), 및 Si(Ar4)(Ar5)로부터 선택되고, 여기서 X1 및 X2 중에서 적어도 하나는 N(Ar1)이고,R1 내지 R4는 서로 같거나 또는 상이하며, 각각 독립적으로 수소, 중수소, 할로겐, 시아노, 치환 또는 비치환된 C1~C40의 알킬기, 치환 또는 비치환된 C3~C40의 시클로알킬기, 치환 또는 비치환된 핵원자수 3 내지 40의 헤테로시클로알킬기, 치환 또는 비치환된 C6~C60의 아릴기, 치환 또는 비치환된 핵원자수 5 내지 60의 헤테로아릴기, 치환 또는 비치환된 C1~C40의 알킬옥시기, 치환 또는 비치환된 C6~C60의 아릴옥시기, 치환 또는 비치환된 C1~C40의 알킬실릴기, 치환 또는 비치환된 C6~C60의 아릴실릴기, 치환 또는 비치환된 C1~C40의 알킬보론기, 치환 또는 비치환된 C6~C60의 아릴보론기, 치환 또는 비치환된 C6~C60의 아릴포스핀기, 치환 또는 비치환된 C6~C60의 아릴포스핀옥사이드기, 및 치환 또는 비치환된 C6~C60의 아릴아민기로 구성된 군으로부터 선택되고, 이들은 인접한 기와 축합 고리를 형성하거나 또는 비형성하며;Ar1 내지 Ar5는 서로 같거나 또는 상이하며, 각각 독립적으로 치환 또는 비치환된 C1~C40의 알킬기, 치환 또는 비치환된 C3~C40의 시클로알킬기, 치환 또는 비치환된 핵원자수 3 내지 40의 헤테로시클로알킬기, 치환 또는 비치환된 C6~C60의 아릴기, 치환 또는 비치환된 핵원자수 5 내지 60의 헤테로아릴기, 치환 또는 비치환된 C1~C40의 알킬옥시기, 치환 또는 비치환된 C6~C60의 아릴옥시기, 치환 또는 비치환된 C1~C40의 알킬실릴기, 치환 또는 비치환된 C6~C60의 아릴실릴기, 치환 또는 비치환된 C1~C40의 알킬보론기, 치환 또는 비치환된 C6~C60의 아릴보론기, 치환 또는 비치환된 C6~C60의 아릴포스핀기, 치환 또는 비치환의 C6~C60의 아릴포스핀옥사이드기, 및 치환 또는 비치환된 C6~C60의 아릴아민기로 구성된 군으로부터 선택되며, 단, Y1 내지 Y8은 적어도 하나 이상의 N을 포함하며,상기 C1~C40의 알킬기, C3~C40의 시클로알킬기, 핵원자수 3 내지 40의 헤테로시클로알킬기, C6~C60의 아릴기, 핵원자수 5 내지 60의 헤테로아릴기, C1~C40의 알킬옥시기, C6~C60의 아릴옥시기, C1~C40의 알킬실릴기, C6~C60의 아릴실릴기, C1~C40의 알킬보론기, C6~C60의 아릴보론기, C6~C60의 아릴포스핀기, C6~C60의 아릴포스핀옥사이드기, 및 C6~C60의 아릴아민기는, 각각 독립적으로 수소, 중수소, 할로겐, 시아노, C1~C40의 알킬기, C3~C40의 시클로알킬기, 핵원자수 3 내지 40의 헤테로시클로알킬기, C6~C60의 아릴기, 핵원자수 5 내지 60의 헤테로아릴기, C1~C40의 알킬옥시기, C6~C60의 아릴옥시기, C1~C40의 알킬실릴기, C6~C60의 아릴실릴기, C1~C40의 알킬보론기, C6~C60의 아릴보론기, C6~C60의 아릴포스핀기, C6~C60의 아릴포스핀옥사이드기 및 C6~C60의 아릴아민기로 구성된 군으로부터 선택된 하나 이상의 치환기로 치환될 수 있다.
- 제2항에 있어서, 상기 X1 및 X2는 모두 N(Ar1)인 것을 특징으로 하는 화합물.
- 제2항에 있어서, 상기 Y1 내지 Y8은 하나의 N을 포함하는 것을 특징으로 하는 화합물.
- 제1항에 있어서, Ar1 내지 Ar5는 각각 독립적으로 C6~C60의 아릴기, 핵원자수 5 내지 60의 헤테로아릴기 및 C6~C60의 아릴아민기로 구성된 군으로부터 선택되며;상기 C6~C60의 아릴기, 핵원자수 5 내지 60의 헤테로아릴기 및 C6~C60의 아릴아민기는 각각 C1~C40의 알킬기, C6~C60의 아릴기, 핵원자수 5 내지 60의 헤테로아릴기로 구성된 군에서 선택된 하나 이상의 작용기로 치환되거나 또는 비치환되는 것을 특징으로 하는 화합물.
- (i) 양극, (ii) 음극, 및 (iii) 상기 양극과 음극 사이에 개재(介在)된 1층 이상의 유기물층을 포함하는 유기 전계 발광 소자로서,상기 유기물층 중에서 적어도 하나는 제1항 내지 제6항 중 어느 한 항에 따른 화합물을 포함하는 것을 특징으로 하는 유기 전계 발광 소자.
- 제 7항에 있어서, 상기 화합물을 포함하는 유기물층은 정공 주입층, 정공 수송층 및 발광층으로 구성된 군으로부터 선택되는 것을 특징으로 하는 유기 전계 발광 소자.
- 제 7 항에 있어서, 상기 화합물은 발광층의 인광 호스트로 사용되는 것을 특징으로 하는 유기 전계 발광 소자.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015526456A JP6228979B2 (ja) | 2012-08-10 | 2013-03-27 | 有機発光化合物及びこれを用いた有機電界発光素子 |
| CN201380052984.1A CN104736537B (zh) | 2012-08-10 | 2013-03-27 | 有机发光化合物及使用其的有机电致发光元件 |
| US14/420,569 US9761813B2 (en) | 2012-08-10 | 2013-03-27 | Organic light-emitting compound and organic electroluminescent device using same |
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| Application Number | Priority Date | Filing Date | Title |
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| KR10-2012-0087997 | 2012-08-10 | ||
| KR20120087997 | 2012-08-10 | ||
| KR10-2012-0103937 | 2012-09-19 | ||
| KR1020120103937A KR101561330B1 (ko) | 2012-09-19 | 2012-09-19 | 인돌로인돌계 유기 발광 화합물 및 이를 이용한 유기 전계 발광 소자 |
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| WO2014025114A1 true WO2014025114A1 (ko) | 2014-02-13 |
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| PCT/KR2013/002526 Ceased WO2014025114A1 (ko) | 2012-08-10 | 2013-03-27 | 유기 발광 화합물 및 이를 이용한 유기 전계 발광 소자 |
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| Country | Link |
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| US (1) | US9761813B2 (ko) |
| JP (1) | JP6228979B2 (ko) |
| CN (1) | CN104736537B (ko) |
| WO (1) | WO2014025114A1 (ko) |
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| KR101452579B1 (ko) | 2012-08-17 | 2014-10-21 | 주식회사 두산 | 신규 화합물 및 이를 포함하는 유기 전계 발광 소자 |
| KR101537436B1 (ko) | 2012-08-17 | 2015-07-17 | 주식회사 두산 | 신규 화합물 및 이를 포함하는 유기 전계 발광 소자 |
| WO2020086503A1 (en) * | 2018-10-24 | 2020-04-30 | Bristol-Myers Squibb Company | Substituted indole and indazole compounds |
| JP7597710B2 (ja) | 2018-10-24 | 2024-12-10 | ブリストル-マイヤーズ スクイブ カンパニー | 置換インドール二量体の化合物 |
| ES2987832T3 (es) | 2019-05-09 | 2024-11-18 | Bristol Myers Squibb Co | Compuestos de benzimidazolona sustituidos |
| US11930701B2 (en) * | 2019-08-29 | 2024-03-12 | Semiconductor Energy Laboratory Co., Ltd. | Compound, light-emitting device, light-emitting apparatus, electronic device, and lighting device |
| WO2021067326A1 (en) | 2019-10-01 | 2021-04-08 | Bristol-Myers Squibb Company | Substituted bicyclic heteroaryl compounds |
| US12384760B2 (en) | 2019-10-04 | 2025-08-12 | Bristol-Myers Squibb Company | Substituted carbazole compounds |
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| KR101511072B1 (ko) * | 2009-03-20 | 2015-04-10 | 롬엔드하스전자재료코리아유한회사 | 신규한 유기 발광 화합물 및 이를 포함하는 유기 전계 발광소자 |
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- 2013-03-27 WO PCT/KR2013/002526 patent/WO2014025114A1/ko not_active Ceased
- 2013-03-27 JP JP2015526456A patent/JP6228979B2/ja not_active Expired - Fee Related
- 2013-03-27 CN CN201380052984.1A patent/CN104736537B/zh not_active Expired - Fee Related
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| US20020117662A1 (en) * | 2000-12-25 | 2002-08-29 | Fuji Photo Film Co., Ltd. | Novel indole derivative, material for light-emitting device and light-emitting device using the same |
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| Publication number | Publication date |
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| US20150214490A1 (en) | 2015-07-30 |
| US9761813B2 (en) | 2017-09-12 |
| JP2015531758A (ja) | 2015-11-05 |
| CN104736537B (zh) | 2019-01-22 |
| JP6228979B2 (ja) | 2017-11-08 |
| CN104736537A (zh) | 2015-06-24 |
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