KR20200069728A - 신규 화합물, 이를 포함하는 유기발광소자 및 유기발광 표시장치 - Google Patents
신규 화합물, 이를 포함하는 유기발광소자 및 유기발광 표시장치 Download PDFInfo
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- KR20200069728A KR20200069728A KR1020180157114A KR20180157114A KR20200069728A KR 20200069728 A KR20200069728 A KR 20200069728A KR 1020180157114 A KR1020180157114 A KR 1020180157114A KR 20180157114 A KR20180157114 A KR 20180157114A KR 20200069728 A KR20200069728 A KR 20200069728A
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- Prior art keywords
- light emitting
- formula
- dopant
- layer
- organic light
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
- C07D495/12—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains three hetero rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/12—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains three hetero rings
- C07D491/20—Spiro-condensed systems
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
- C07D495/12—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains three hetero rings
- C07D495/20—Spiro-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D519/00—Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C07D453/00 or C07D455/00
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- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
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- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
- H10K50/12—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
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- H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
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Abstract
Description
도 2는 본 발명의 제 1 실시예에 따른 유기발광소자의 개략적인 단면도이다.
도 3은 본 발명의 제 2 실시예에 따른 유기발광소자의 개략적인 단면도이다.
도 4는 본 발명의 제 3 실시예에 따른 유기발광소자의 개략적인 단면도이다.
162: 유기물층 210, 310, 410: 정공주입층
220, 320, 420: 정공수송층 230, 330, 430: 전자차단층
240, 340, 440: 발광물질층 250, 350, 450: 정공차단층
260, 360, 460: 전자수송층 270, 370, 470: 전자주입층
164: 제 2 전극 D: 유기발광소자
Claims (26)
- 하기 화학식 1로 표시되는 화합물:
[화학식 1]
Y는 CR1R2, O, 또는 S이고, R1 및 R2은 각각 독립적으로 수소, 치환 또는 비치환 된 C6~C24의 아릴기, 치환 또는 비치환 된 C5~C24의 헤테로 아릴기이며,
X1 내지 X8는 C 또는 N이고, 적어도 하나는 N이고,
Q는 서로 독립적으로 치환 또는 비치환 된 C6~C60의 아릴기, 치환 또는 비치환 된 C5~C60의 헤테로 아릴기, CN, 또는 NR3R4이고, R3 및 R4은 각각 독립적으로 치환 또는 비치환 된 C6~C60의 아릴기, 또는 치환 또는 비치환 된 C5~C60의 헤테로 아릴기이며,
Ar은 서로 독립적으로 치환 또는 비치환의 C1~C10의 알킬기, 치환 또는 비치환 된 C6~C24의 아릴기, 치환 또는 비치환 된 C5~C24의 헤테로 아릴기, CN, 또는 NR5R6이고, R5 및 R6은 각각 독립적으로 치환 또는 비치환 된 C6~C24의 아릴기, 또는 치환 또는 비치환 된 C5~C24의 헤테로 아릴기 이며,
n1, n2, m1 및 m2는 각각 독립적으로 0, 1 또는 2의 정수이고, n1 및 n2 중 적어도 하나는 1 이상이다.
- 제1항에 있어서,
상기 화합물은 하기 화학식 5 내지 22중 어느 하나로 표시되는 화합물.
[화학식 5]
[화학식 6]
[화학식 7]
[화학식 8]
[화학식 9]
[화학식 10]
[화학식 11]
[화학식 12]
[화학식 13]
[화학식 14]
[화학식 15]
[화학식 16]
[화학식 17]
[화학식 18]
[화학식 19]
[화학식 20]
[화학식21]
[화학식22]
상기 화학식 3 내지 22에서,
Ar1 내지 Ar8는 각각 독립적으로 치환 또는 비치환의 C6~C24의 알릴기, 치환 또는 비치환의 C5~C24의 헤테로 아릴기, 또는 CN이다.
- 제1항 내지 제7항 중 어느 한 항에 따른 화합물은 형광 또는 지연 형광을 방사하는 유기 발광재료인, 화합물.
- 제 1 전극과;
상기 제 1 전극과 마주보는 제 2 전극과;
상기 제 1 및 제 2 전극 사이에 위치하는 제 1 발광물질층을 포함하고,
상기 제 1 발광물질층은 제1항 내지 제7항 중 어느 하나의 화합물을 포함하는 유기발광소자. - 제9항에 있어서,
상기 화합물은 제 1 도펀트로 이용되고, 상기 제 1발광물질층은 제 1 호스트를 더 포함하는 유기발광소자.
- 제10항에 있어서,
상기 제 1 호스트는, 상기 화합물의 여기 일중항 에너지 및 여기 삼중항 에너지 중 어느 하나 보다 높은 여기 일중항 에너지 또는 여기 삼중항 에너지를 갖는 유기발광소자.
- 제10항에 있어서,
상기 제 1 발광물질층은 형광 화합물 또는 인광 화합물인 제 2 도펀트를 더 포함하는 유기발광소자.
- 제10항에 있어서,
상기 제 1 전극과 상기 제 1 발광물질층 사이 또는 상기 제 1 발광물질층과 상기 제 2 전극 사이에 위치하는 제 2 발광물질층을 더 포함하고,
상기 제 2 발광물질층은 제 2 호스트와 형광 화합물 또는 인광 화합물인 제 2 도펀트를 포함하는 유기발광소자.
- 제 9 항에 있어서,
상기 화합물은 제 1 호스트로 이용되고, 상기 제 1 발광물질층은 지연 형광 화합물인 제 1 도펀트를 더 포함하는 유기발광소자.
- 제 14 항에 있어서,
상기 제 1 호스트의 최고준위 점유 분자궤도 레벨(HOMOHost)과 상기 제 1 도펀트의 최고준위 점유 분자궤도 레벨(HOMODopant) 차이(|HOMOHost-HOMODopant|) 또는 상기 호스트의 최저준위 비점유 분자궤도 레벨(LUMOHost)과 상기 제 1 도펀트의 최저준위 비점유 분자궤도 레벨(LUMODopant) 차이(|LUMOHost- LUMODopant|)는 0.5eV 이하인 유기발광소자.
- 제 14 항에 있어서,
상기 제 1 발광물질층은 형광 화합물 또는 인광 화합물인 제 2 도펀트를 더 포함하며,
상기 제 1 도펀트의 단일항 에너지는 제 2 도펀트의 단일항 에너지보다 큰 유기발광소자.
- 제 16 항에 있어서,
상기 제 1 도펀트의 제 1 삼중항 에너지는 상기 제 1 호스트의 제 2 삼중항 에너지보다 작고 상기 제 2 도펀트의 제 3 삼중항 에너지보다 큰 유기발광소자.
- 제 16 항에 있어서,
제 2 호스트와 형광 화합물 또는 인광 화합물인 제 2 도펀트를 포함하며 상기 제 1 전극과 상기 제 1 발광물질층 사이에 위치하는 제 2 발광물질층을 더 포함하는 유기발광소자.
- 제 18 항에 있어서,
상기 제 1 전극과 상기 제 2 발광물질층 사이에 위치하는 전자차단층을 더 포함하고, 상기 제 2 호스트는 상기 전자차단층의 물질과 동일한 유기발광소자.
- 제 18 항에 있어서,
제 3 호스트와 형광 화합물 또는 인광 화합물인 제 3 도펀트를 포함하며 상기 제 1 발광물질층과 상기 제 2 전극 사이에 위치하는 제 3 발광물질층을 더 포함하는 유기발광소자.
- 제 20 항에 있어서,
상기 제 2 전극과 상기 제 3 발광물질층 사이에 위치하는 정공차단층을 더 포함하고, 상기 제 3 호스트는 상기 정공차단층의 물질과 동일한 유기발광소자.
- 제 20 항에 있어서,
상기 제 1 도펀트의 단일항 에너지는 상기 제 2 및 제 3 도펀트의 단일항 에너지보다 큰 유기발광소자.
- 제 20 항에 있어서,
상기 제 1 호스트의 단일항 에너지와 삼중항 에너지 각각은 상기 제 1 도펀트의 단일항 에너지와 삼중항 에너지보다 크고,
상기 제 2 호스트의 단일항 에너지는 상기 제 2 도펀트의 단일항 에너지보다 크며,
상기 제 3 호스트의 단일항 에너지는 상기 제 3 도펀트의 단일항 에너지보다 큰 유기발광소자.
- 제 18 항에 있어서,
상기 제 1 도펀트의 단일항 에너지는 상기 제 2 도펀트의 단일항 에너지보다 큰 유기발광소자.
- 제 9 항에 있어서,
상기 유기 발광층은, 상기 제 1 전극과 상기 제 1 발광물질층 사이의 정공수송층과, 상기 제 1 전극과 상기 정공수송층 사이의 정공주입층과, 상기 정공수송층과 상기 제 1 발광물질층 사이의 전자차단층과, 상기 제 1 발광물질층과 상기 제 2 전극 사이의 전자수송층과, 상기 전자수송층과 상기 제 2 전극 사이의 전자주입층과, 상기 제 1 발광물질층과 상기 전자수송층 사이의 정공차단층을 포함하고,
상기 화합물은 상기 제 1 발광물질층에서 호스트로 이용되며, 상기 제 1 발광물질층은 도펀트를 더 포함하는 유기발광소자.
- 기판과;
상기 기판 상부에 위치하는 제 9 항의 유기발광소자와;
상기 기판과 상기 유기발광소자 사이에 위치하며 상기 유기발광소자에 연결되는 박막트랜지스터
를 포함하는 유기발광 표시장치.
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US16/702,269 US12137611B2 (en) | 2018-12-07 | 2019-12-03 | Compound, and organic light emitting device and organic light emitting display device including the same |
CN201911234392.7A CN111285879B (zh) | 2018-12-07 | 2019-12-05 | 新型化合物及包括其的有机发光装置和有机发光显示装置 |
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KR102684985B1 (ko) | 2024-07-12 |
US20200185622A1 (en) | 2020-06-11 |
CN111285879A (zh) | 2020-06-16 |
US12137611B2 (en) | 2024-11-05 |
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