KR20210029534A - 유기 화합물, 이를 포함하는 유기발광다이오드 및 유기발광장치 - Google Patents
유기 화합물, 이를 포함하는 유기발광다이오드 및 유기발광장치 Download PDFInfo
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- KR20210029534A KR20210029534A KR1020190110896A KR20190110896A KR20210029534A KR 20210029534 A KR20210029534 A KR 20210029534A KR 1020190110896 A KR1020190110896 A KR 1020190110896A KR 20190110896 A KR20190110896 A KR 20190110896A KR 20210029534 A KR20210029534 A KR 20210029534A
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Images
Classifications
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D407/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00
- C07D407/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings
- C07D407/10—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings linked by a carbon chain containing aromatic rings
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- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/91—Dibenzofurans; Hydrogenated dibenzofurans
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C13/00—Cyclic hydrocarbons containing rings other than, or in addition to, six-membered aromatic rings
- C07C13/28—Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof
- C07C13/32—Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof with condensed rings
- C07C13/62—Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof with condensed rings with more than three condensed rings
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
- C07C211/57—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton
- C07C211/61—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton with at least one of the condensed ring systems formed by three or more rings
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C217/00—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton
- C07C217/78—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton
- C07C217/80—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of non-condensed six-membered aromatic rings
- C07C217/82—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of non-condensed six-membered aromatic rings of the same non-condensed six-membered aromatic ring
- C07C217/92—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of non-condensed six-membered aromatic rings of the same non-condensed six-membered aromatic ring the nitrogen atom of at least one of the amino groups being further bound to a carbon atom of a six-membered aromatic ring
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C217/00—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton
- C07C217/78—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton
- C07C217/94—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C07C255/49—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
- C07C255/58—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing cyano groups and singly-bound nitrogen atoms, not being further bound to other hetero atoms, bound to the carbon skeleton
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/56—Ring systems containing three or more rings
- C07D209/80—[b, c]- or [b, d]-condensed
- C07D209/82—Carbazoles; Hydrogenated carbazoles
- C07D209/86—Carbazoles; Hydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
-
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/72—Nitrogen atoms
- C07D213/74—Amino or imino radicals substituted by hydrocarbon or substituted hydrocarbon radicals
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- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/10—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a carbon chain containing aromatic rings
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/14—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
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- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
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- H01L51/006—
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- H01L51/0072—
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Abstract
Description
도 2는 본 발명의 예시적인 제 1 실시형태에 따른 유기발광다이오드를 개략적으로 나타낸 단면도이다.
도 3은 본 발명의 예시적인 제 1 실시형태에 따른 유기발광다이오드를 구성하는 발광물질층에서 발광 물질 사이의 에너지 준위에 따른 발광 메커니즘을 개략적으로 나타낸 모식도이다.
도 4는 본 발명의 예시적인 제 2 실시형태에 따른 유기발광다이오드를 개략적으로 나타낸 단면도이다.
도 5는 본 발명의 예시적인 제 2 실시형태에 따른 유기발광다이오드를 구성하는 발광물질층에 포함될 수 있는 지연형광물질의 발광 메커니즘을 개략적으로 나타낸 모식도이다.
도 6은 본 발명의 예시적인 제 2 실시형태에 따른 유기발광다이오드를 구성하는 발광물질층에서 발광 물질 사이의 에너지 준위에 따른 발광 메커니즘을 개략적으로 나타낸 모식도이다.
도 7은 본 발명의 예시적인 제 3 실시형태에 따른 유기발광다이오드를 개략적으로 나타낸 단면도이다.
도 8은 본 발명의 예시적인 제 3 실시형태에 따른 유기발광다이오드를 구성하는 발광물질층에서 발광 물질 사이의 에너지 준위에 따른 발광 메커니즘을 개략적으로 나타낸 모식도이다.
도 9는 본 발명의 예시적인 제 4 실시형태에 따른 유기발광다이오드를 개략적으로 나타낸 단면도이다.
도 10은 본 발명의 예시적인 제 4 실시형태에 따른 유기발광다이오드를 구성하는 발광물질층에서 발광 물질 사이의 에너지 준위에 따른 발광 메커니즘을 개략적으로 나타낸 모식도이다.
도 11은 본 발명의 예시적인 제 5 실시형태에 따른 유기발광다이오드를 개략적으로 나타낸 단면도이다.
화합물 | Abs. λmax a (nm) | PL λmax b (nm) | PLQYc (%) | HOMOd (eV) | LUMOd (eV) |
비교화합물 1 | 506 | 602 | 68 | -5.2 | -3.1 |
비교화합물 2 | 589 | 594 | 82 | -5.44 | -3.22 |
화합물 1-1 | 552 | 609 | 86 | -5.52 | -3.35 |
화합물 1-8 | 556 | 612 | 88 | -5.44 | -3.32 |
화합물 1-18 | 543 | 587 | 75 | -5.59 | -3.30 |
화합물 1-25 | 560 | 618 | 95 | -5.48 | -3.31 |
화합물 2-7 | 559 | 616 | 91 | -5.45 | -3.29 |
tri-PXZ-TRZ | - | 550 | - | -5.7 | -5.3 |
a: tolene에 105 M 농도의 용액 상태에서 UV-Vis spectroscopy를 이용하여 측정; b: toulene에 105 M 농도의 용액 상태에서 fluorescecne spectroscopy를 이용하여 측정; c: toluene에 105 M 농도의 용액 상태에서 Hamamatsu社 Quantarus-QY를 이용하여 측정; d: 박막 상태에서 AC2 장비를 이용하여 측정 |
소자 | 형광 물질 | V | EQEmax | CIE (x, y) | ELmax | FWHM |
실시예 1 | 화합물 1-1 | 4.55 | 10.1 | (0.636, 0.361) | 614 | 46 |
실시예 2 | 화합물 1-8 | 4.51 | 10.7 | (0.630, 0.367) | 616 | 47 |
실시예 3 | 화합물 1-18 | 4.52 | 7.4 | (0.553, 0.440) | 592 | 42 |
실시예 4 | 화합물 1-25 | 4.53 | 11.8 | (0.664, 0.333) | 624 | 46 |
실시예 5 | 화합물 2-7 | 4.48 | 12.4 | (0.658, 0.348) | 621 | 44 |
비교예 1 | 비교화합물 1 | 4.82 | 4.6 | (0.578, 0.414) | 605 | 81 |
비교예 2 | 비교화합물 2 | 4.47 | 5.3 | (0.619, 0.377) | 610 | 26 |
210, 310, 410, 510: 제 1 전극
220, 220A, 320, 420, 520, 620: 발광 유닛(발광층)
230, 330, 430, 530: 제 2 전극
240, 240A, 340, 440, 540: 발광물질층
342, 442: 제 1 발광물질층
344, 444: 제 2 발광물질층
446: 제 3 발광물질층
D, D1, D2, D3, D4, D5: 유기발광다이오드
Tr: 박막트랜지스터
Claims (20)
- 하기 화학식 1의 구조를 가지는 유기 화합물.
화학식 1
화학식 1에서, R1 및 R2는 각각 독립적으로 수소, C1-C20 알킬기, C1-C20 알콕시기, C6-C30 방향족 아미노기 또는 C3-C30 헤테로 방향족 아미노기이며, 상기 C6-C30 방향족 아미노기 및 상기 C3-C30 헤테로 방향족 아미노기를 구성하는 방향족 고리 또는 헤테로 방향족 고리는 각각 독립적으로 치환되지 않거나, 시아노기, C1-C10 알킬기, C1-C10 알콕시기, C6-C20 아릴기 및 C3-C20 헤테로 아릴기로 구성되는 군에서 선택되는 적어도 하나의 작용기로 치환됨; R3 및 R4는 각각 독립적으로 C6-C30 방향족 작용기 또는 C3-C30 헤테로 방향족 작용기이고, 상기 C6-C30 방향족 작용기 및 상기 C3-C30 헤테로 방향족 작용기는 각각 독립적으로 치환되지 않거나, C1-C10 알킬기 및 C1-C10 알콕시기로 구성되는 군에서 선택되는 적어도 하나의 작용기로 치환됨; R5 및 R6는 각각 독립적으로 수소, C1-C20 알킬기, C1-C20 알콕시기, C6-C30 방향족 작용기 또는 C3-C30 헤테로 방향족 작용기임.
- 제 1항에 있어서, 상기 유기 화합물은 하기 화학식 2의 구조를 가지는 유기 화합물을 포함하는 유기 화합물.
화학식 2
화학식 2에서, R11 및 R12는 각각 독립적으로 C6-C30 아릴기 또는 C3-C30 헤테로 아릴기이며, 상기 C6-C30 아릴기 또는 C3-C30 헤테로 아릴기는 각각 독립적으로 치환되지 않거나 시아노기, C1-C10 알킬기, C1-C10 알콕시기 및 C6-C20 아릴기로 구성되는 군에서 선택되는 적어도 하나의 작용기로 치환됨; R13 및 R14는 각각 독립적으로 C6-C30 아릴기, C3-C30 헤테로 아릴기, C6-C30 아릴 알킬기, C3-C30 헤테로 아릴 알킬기, C6-C30 아릴옥시기 또는 C3-C30 헤테로 아릴옥시기임; R15 및 R16은 각각 독립적으로 수소, C1-C20 알킬기, C6-C30 아릴기 또는 C3-C30 헤테로 아릴기임.
- 제 2항에 있어서, 상기 유기 화합물은 하기 화학식 3의 구조를 가지는 유기 화합물을 포함하는 유기 화합물.
화학식 3
화학식 3에서, R13 내지 R16은 각각 화학식 2에서 정의된 것과 동일함; Ar1 및 Ar2는 각각 독립적으로 페닐기, 바이페닐기, 나프틸기, 안트라세닐기, 피리딜기, 카바졸일기, 아크리디닐기, 페나지닐기, 페녹사지닐기, 디벤조퓨라닐기 및 디벤조티오페닐기로 구성되는 군에서 선택됨; R17 및 R18은 각각 독립적으로 수소, 시아노기, C1-C10 알킬기, C1-C10 알콕시기 및 C6-C20 아릴기로 구성되는 군에서 선택됨; a 및 b는 각각 치환기의 개수로서 a와 b는 각각 0 내지 4의 정수임.
- 제 1항에 있어서, 상기 유기 화합물의 최대발광파장(maximum photoluminescence wavelength, PL λmax)은 580 nm ~ 650 nm의 범위를 가지는 유기 화합물.
- 서로 마주하는 제 1 전극 및 제 2 전극; 및
상기 제 1 및 제 2 전극 사이에 위치하며, 제 1 발광물질층을 포함하는 적어도 하나의 발광 유닛을 포함하고,
상기 제 1 발광물질층은 하기 화학식 1의 구조를 가지는 유기 화합물을 포함하는 유기발광다이오드.
화학식 1
화학식 1에서, R1 및 R2는 각각 독립적으로 수소, C1-C20 알킬기, C1-C20 알콕시기, C6-C30 방향족 아미노기 또는 C3-C30 헤테로 방향족 아미노기이며, 상기 C6-C30 방향족 아미노기 및 상기 C3-C30 헤테로 방향족 아미노기를 구성하는 방향족 고리 또는 헤테로 방향족 고리는 각각 독립적으로 치환되지 않거나, 시아노기, C1-C10 알킬기, C1-C10 알콕시기, C6-C20 아릴기 및 C3-C20 헤테로 아릴기로 구성되는 군에서 선택되는 적어도 하나의 작용기로 치환됨; R3 및 R4는 각각 독립적으로 C6-C30 방향족 작용기 또는 C3-C30 헤테로 방향족 작용기이고, 상기 C6-C30 방향족 작용기 및 상기 C3-C30 헤테로 방향족 작용기는 각각 독립적으로 치환되지 않거나, C1-C10 알킬기 및 C1-C10 알콕시기로 구성되는 군에서 선택되는 적어도 하나의 작용기로 치환됨; R5 및 R6는 각각 독립적으로 수소, C1-C20 알킬기, C1-C20 알콕시기, C6-C30 방향족 작용기 또는 C3-C30 헤테로 방향족 작용기임.
- 제 8항에 있어서, 상기 유기 화합물은 하기 화학식 2의 구조를 가지는 유기 화합물을 포함하는 유기발광다이오드.
화학식 2
화학식 2에서, R11 및 R12는 각각 독립적으로 C6-C30 아릴기 또는 C3-C30 헤테로 아릴기이며, 상기 C6-C30 아릴기 또는 C3-C30 헤테로 아릴기는 각각 독립적으로 치환되지 않거나 시아노기, C1-C10 알킬기, C1-C10 알콕시기 및 C6-C20 아릴기로 구성되는 군에서 선택되는 적어도 하나의 작용기로 치환됨; R13 및 R14는 각각 독립적으로 C6-C30 아릴기, C3-C30 헤테로 아릴기, C6-C30 아릴 알킬기, C3-C30 헤테로 아릴 알킬기, C6-C30 아릴옥시기 또는 C3-C30 헤테로 아릴옥시기임; R15 및 R16은 각각 독립적으로 수소, C1-C20 알킬기, C6-C30 아릴기 또는 C3-C30 헤테로 아릴기임.
- 제 9항에 있어서, 상기 유기 화합물은 하기 화학식 3의 구조를 가지는 유기 화합물을 포함하는 유기발광다이오드.
화학식 3
화학식 3에서, R13 내지 R16은 각각 화학식 2에서 정의된 것과 동일함; Ar1 및 Ar2는 각각 독립적으로 페닐기, 바이페닐기, 나프틸기, 안트라세닐기, 피리딜기, 카바졸일기, 아크리디닐기, 페나지닐기, 페녹사지닐기, 디벤조퓨라닐기 및 디벤조티오페닐기로 구성되는 군에서 선택됨; R17 및 R18은 각각 독립적으로 수소, 시아노기, C1-C10 알킬기, C1-C10 알콕시기 및 C6-C20 아릴기로 구성되는 군에서 선택됨; a 및 b는 각각 치환기의 개수로서 a와 b는 각각 0 내지 4의 정수임.
- 제 7항에 있어서, 상기 제 1 발광물질층은 제 1 화합물과, 제 2 화합물을 포함하며, 상기 제 1 화합물의 여기 단일항 에너지 준위는 상기 제 2 화합물의 여기 단일항 에너지 준위보다 높고, 상기 제 2 화합물은 상기 유기 화합물을 포함하는 유기발광다이오드.
- 제 7항에 있어서, 상기 제 1 발광물질층은 제 1 화합물과, 제 2 화합물과 제 3 화합물을 포함하고, 상기 제 2 화합물은 상기 유기 화합물을 포함하는 유기발광다이오드.
- 제 12항에 있어서, 상기 제 2 화합물의 최대흡수파장(maximum absorbance wavelength, Abs. λmax)은 530 nm ~ 590 nm의 범위를 가지며, 상기 제 3 화합물의 최대발광파장(maximum photoluminescence wavelength, PL λmax)은 520 nm ~ 610 nm의 범위를 가지는 유기발광다이오드.
- 제 12항에 있어서, 상기 제 3 화합물의 여기 단일항 에너지 준위와, 여기 삼중항 에너지 준위의 차이는 0.3 eV 이하인 유기발광다이오드.
- 제 11항에 있어서, 상기 제 1 전극과 상기 제 1 발광물질층 사이 또는 상기 제 1 발광물질층과 상기 제 2 전극 사이에 위치하는 제 2 발광물질층을 더욱 포함하고, 상기 제 2 발광물질층은 제 4 화합물과 제 5 화합물을 포함하는 유기발광다이오드.
- 제 15항에 있어서, 상기 제 2 화합물의 최대흡수파장(maximum absorbance wavelength, Abs. λmax)은 530 nm ~ 590 nm의 범위를 가지며, 상기 5 화합물의 최대발광파장(maximum photoluminescence wavelength, PL λmax)은 520 nm ~ 610 nm의 범위를 가지는 유기발광다이오드.
- 제 15항에 있어서, 상기 제 2 발광물질층을 중심으로 상기 제 1 발광물질층의 반대쪽에 위치하는 제 3 발광물질층을 더욱 포함하고, 상기 제 3 발광물질층은 제 6 화합물과 제 7 화합물을 포함하는 유기발광다이오드.
- 제 17항에 있어서, 상기 제 7 화합물은 상기 유기 화합물을 포함하는 유기발광다이오드.
- 제 8항에 있어서, 상기 적어도 하나의 발광 유닛은 상기 제 1 및 제 2 전극 사이에 위치하며 하부 발광물질층을 포함하는 제 1 발광 유닛과, 상기 제 1 발광 유닛과 상기 제 2 전극 사이에 위치하며, 상부 발광물질층을 포함하는 제 2 발광 유닛을 포함하고,
상기 하부 발광물질층과 상기 하부 발광물질층 중에서 적어도 하나는 상기 제 1 발광물질층을 포함하며,
상기 제 1 발광 유닛과 상기 제 2 발광 유닛 사이에 위치하는 전하생성층을 더욱 포함하는 유기발광다이오드.
- 기판; 및
상기 기판 상에 위치하며, 제 8항 내지 제 19항 중에서 어느 하나의 청구항에 기재된 유기발광다이오드
를 포함하는 유기발광장치.
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EP20193841.2A EP3790068B1 (en) | 2019-09-06 | 2020-09-01 | Organic compound, organic light emitting diode and organic light emitting device including the organic compound |
CN202010921694.8A CN112457200B (zh) | 2019-09-06 | 2020-09-04 | 有机化合物、包含有机化合物的有机发光二极管和有机发光装置 |
US17/012,363 US11820761B2 (en) | 2019-09-06 | 2020-09-04 | Organic compound, organic light emitting diode and organic light emitting device including the organic compound |
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