KR100915271B1 - 유기 전계발광 소자 및 표시 장치 - Google Patents
유기 전계발광 소자 및 표시 장치Info
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- KR100915271B1 KR100915271B1 KR1020020076112A KR20020076112A KR100915271B1 KR 100915271 B1 KR100915271 B1 KR 100915271B1 KR 1020020076112 A KR1020020076112 A KR 1020020076112A KR 20020076112 A KR20020076112 A KR 20020076112A KR 100915271 B1 KR100915271 B1 KR 100915271B1
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Abstract
Description
Claims (25)
- 호스트 화합물 및 인광성 화합물을 함유하는 발광층을 포함하며, 상기 호스트 화합물이 분자 내에 붕소 원자를 함유하는 화합물인 것을 특징으로 하는 유기 전계발광 소자.
- 제1항에 있어서, 호스트 화합물이 분자 내에 질소 원자를 더 함유하는 화합물인 것을 특징으로 하는 유기 전계발광 소자.
- 제1항에 있어서, 호스트 화합물이 하기 화학식 1로 표시되는 화합물인 것을 특징으로 하는 유기 전계발광 소자.<화학식 1>식 중, B는 붕소 원자를 나타내며, R11, R12 및 R13은 독립적으로 1가의 치환기를 나타내되, 단 R11, R12 및 R13 중 하나 이상이 방향족기이고, R11 , R12 및 R13 중 어느 하나가 방향족기인 경우, 다른 두개는 서로 결합하여 붕소 원자와 함께 환을 형성할 수 있다.
- 제3항에 있어서, R11, R12 및 R13으로 표시되는 1가의 치환기가 알킬기, 시클로알킬기, 아릴기, 알콕시기, 아릴옥시기, 알킬티오기, 아릴티오기, 할로겐 원자, 시아노기, 니트로기 또는 복소환기인 것을 특징으로 하는 유기 전계발광 소자.
- 제3항에 있어서, 화학식 1 중 R11, R12 및 R13 모두가 방향족기인 것을 특징으로 하는 유기 전계발광 소자.
- 제3항에 있어서, 호스트 화합물의 분자량이 410 내지 2000인 유기 전계발광 소자.
- 제3항에 있어서, 호스트 화합물의 분자량이 600 내지 2000인 유기 전계발광 소자.
- 제1항에 있어서, 호스트 화합물이 하기 화학식 2로 표시되는 화합물인 것을 특징으로 하는 유기 전계발광 소자.<화학식 2>식 중, B는 붕소 원자를 나타내며, Ar21 및 Ar22는 독립적으로 방향족기를 나타내고, A는 2 내지 15가의 기를 나타내며, n은 2 내지 15의 정수를 나타낸다.
- 제8항에 있어서, A로 표시되는 2가 내지 15가의 기가 단환 화합물의 잔기, 축합환 화합물의 잔기, 또는 분자 내에 개별적으로 둘 이상의 환을 갖는 화합물의 잔기인 유기 전계발광 소자.
- 제1항에 있어서, 호스트 화합물이 하기 화학식 3으로 표시되는 화합물인 것을 특징으로 하는 유기 전계발광 소자.<화학식 3>식 중, B는 붕소 원자를 나타내며, Ar31은 단환의 방향족기를 나타내고, R31, R32, R33 및 R34는 독립적으로 1가의 치환기를 나타내며 n은 1 내지 5의 정수를 나타낸다.
- 제10항에 있어서, R31, R32, R33 및 R34로 표시되는 1가의 치환기가 알킬기, 시클로알킬기, 아릴기, 알콕시기, 아릴옥시기, 알킬티오기, 아릴티오기, 할로겐 원자, 시아노기, 니트로기 또는 복소환기인 것을 특징으로 하는 유기 전계발광 소자.
- 제10항에 있어서, 호스트 화합물이 하기 화학식 4로 표시되는 화합물인 것을 특징으로 하는 유기 전계발광 소자.<화학식 4>식 중, B는 붕소 원자를 나타내며, Ar41, Ar42, Ar43 및 Ar44는 독립적으로 방향족기를 나타내고, R45는 수소 원자 또는 1가의 치환기를 나타내며, n2는 1 내지 5의 정수를 나타내고, m2는 1 내지 4의 정수를 나타내되, 단 복수개의 R45는 동일하거나 상이하다.
- 제6항에 있어서, 호스트 화합물이 하기 화학식 5로 표시되는 화합물인 것을 특징으로 하는 유기 전계발광 소자.<화학식 5>식 중, B는 붕소 원자를 나타내며, C는 탄소원자를 나타내고, A51, A52, A53, A54, A55 및 A56은 독립적으로 탄소 원자, 질소 원자 또는 황 원자를 나타내며, Z51은 C, A51 및 A52와 함께 방향족환을 형성하는데 필요한 원자기를 나타내고, Z52는 C, A53 및 A54와 함께 방향족환을 형성하는데 필요한 원자기를 나타내고, Z53은 C, A55 및 A56과 함께 방향족환을 형성하는데 필요한 원자기를 나타내며, R51, R52, R53, R54, R55 및 R56은 독립적으로 수소 원자 또는 1가의 치환기를 나타내되, 단 R51 내지 R56 중 4개 이상은 1가의 치환기를 나타내고, R57, R58 및 R59는 독립적으로 수소 원자 또는 1가의 치환기를 나타내며, l3, n3 및 m3은 독립적으로 1 내지 7의 정수를 나타내되, 단 복수개의 R57, R58 및 R59는 각각 동일하거나 상이할 수 있다.
- 제13항에 있어서, 화학식 5 중 R51, R52, R53, R54, R55 및 R56이 모두 1가의 치환기인 것을 특징으로 하는 유기 전계발광 소자.
- 제13항에 있어서, 화학식 5 중 R51, R52, R53, R54, R55 , R56, R57, R58 및 R59로 표시되는 1가의 치환기가 알킬기, 시클로알킬기, 아릴기, 알콕시기, 아릴옥시기, 알킬티오기, 아릴티오기, 할로겐 원자, 시아노기, 니트로기 또는 복소환기인 것을 특징으로 하는 유기 전계발광 소자.
- 제15항에 있어서, 1가의 치환기가 알킬기, 시클로알킬기, 알콕시기, 아릴옥시기 또는 할로겐 원자인 것을 특징으로 하는 유기 전계발광 소자.
- 삭제
- 제13항에 있어서, 호스트 화합물의 분자량이 600 내지 2000인 유기 전계발광 소자.
- 제2항에 있어서, 호스트 화합물이 하기 화학식 6으로 표시되는 화합물인 것을 특징으로 하는 유기 전계발광 소자.<화학식 6>식 중, N은 질소 원자를 나타내고, B는 붕소 원자를 나타내며, Ar61, Ar62, Ar63 및 Ar64는 독립적으로 치환 또는 비치환의 방향족기를 나타내며, Q61 은 방향족기를 나타내고, n4는 1 내지 5의 정수를 나타낸다.
- 제1항에 있어서, 호스트 화합물의 분자량이 410 내지 2000인 것을 특징으로 하는 유기 전계발광 소자.
- 제20항에 있어서, 호스트 화합물의 분자량이 600 내지 2000인 것을 특징으로 하는 유기 전계발광 소자.
- 제21항에 있어서, 호스트 화합물의 분자량이 800 내지 2000인 것을 특징으로 하는 유기 전계발광 소자.
- 제1항에 있어서, 인광성 화합물이 오스뮴, 이리듐 또는 백금 착체인 것을 특징으로 하는 유기 전계발광 소자.
- 제23항에 있어서, 인광성 화합물이 이리듐 착체인 것을 특징으로 하는 유기 전계발광 소자.
- 인광성 화합물 및 분자 내에 붕소 원자를 함유하는 호스트 화합물을 함유하는 발광층을 포함하는 유기 전계발광 소자를 포함하는 표시 장치.
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US6835473B2 (en) | 2004-12-28 |
US20030157366A1 (en) | 2003-08-21 |
JP4810687B2 (ja) | 2011-11-09 |
KR20030047743A (ko) | 2003-06-18 |
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