KR20170121577A - 화합물 및 이를 포함하는 유기발광소자 - Google Patents
화합물 및 이를 포함하는 유기발광소자 Download PDFInfo
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Abstract
Description
도 2는 기판 (1), 양극(2), 정공주입층(5), 정공수송층(6), 발광층(3), 전자수송층(7) 및 음극(4)이 순차적으로 적층된 유기 발광 소자의 예를 도시한 것이다.
| 화합물 (전자저지층) |
전압 (V@10mA/cm2) |
효율 (cd/A@10mA/cm2) |
색좌표 (x,y) |
|
| 실험예 1-1 | 화합물 1 | 3.82 | 5.54 | (0.137, 0.051) |
| 실험예 1-2 | 화합물 2 | 3.95 | 5.43 | (0.138, 0.052) |
| 실험예 1-3 | 화합물 4 | 3.96 | 5.46 | (0.138, 0.051) |
| 실험예 1-4 | 화합물 6 | 3.94 | 5.49 | (0.137, 0.051) |
| 실험예 1-5 | 화합물 8 | 4.07 | 5.37 | (0.137, 0.051) |
| 실험예 1-6 | 화합물 9 | 4.08 | 5.35 | (0.137, 0.051) |
| 비교예 1 | EB 1 | 4.36 | 4.91 | (0.138, 0.059) |
| 비교예 2 | EB 2 | 4.45 | 4.82 | (0.138, 0.057) |
| 화합물 (정공수송층) |
전압 (V@10mA/cm2) |
효율 (cd/A@10mA/cm2) |
색좌표 (x,y) |
|
| 실험예 2-1 | 화합물 1 | 3.61 | 5.68 | (0.137, 0.051) |
| 실험예 2-2 | 화합물 2 | 3.74 | 5.56 | (0.138, 0.052) |
| 실험예 2-3 | 화합물 3 | 3.76 | 5.59 | (0.138, 0.051) |
| 실험예 2-4 | 화합물 5 | 3.77 | 5.57 | (0.137, 0.051) |
| 실험예 2-5 | 화합물 7 | 3.88 | 5.45 | (0.137, 0.051) |
| 실험예 2-6 | 화합물 9 | 3.89 | 5.44 | (0.137, 0.051) |
| 비교예 3 | HT 1 | 4.10 | 5.03 | (0.138, 0.059) |
2: 양극
3: 발광층
4: 음극
5: 정공주입층
6: 정공수송층
7: 전자수송층
Claims (8)
- 하기 화학식 1로 표시되는 화합물:
[화학식 1]
상기 화학식 1에 있어서,
R1 및 R2는 서로 동일하거나 상이하며, 각각 독립적으로 수소; 중수소; 할로겐기; 니트릴기; 치환또는 비치환된 알킬기; 치환 또는 비치환된 시클로알킬기; 치환 또는 비치환된 아릴기; 치환 또는 비치환된 헤테로고리기이거나, 서로 결합하여 고리를 형성할 수 있고,
L은 직접결합; 치환 또는 비치환된 아릴렌기; 또는 치환 또는 비치환된 2가의 헤테로고리기이며,
Ar1 및 Ar2는 서로 동일하거나 상이하며, 각각 독립적으로 치환 또는 비치환된 아릴기; 또는 치환 또는 비치환된 헤테로고리기이고,
Ra 내지 Re는 서로 동일하거나 상이하며, 각각 독립적으로 수소; 중수소; 할로겐기; 니트릴기; 치환또는 비치환된 알킬기; 치환 또는 비치환된 시클로알킬기; 치환 또는 비치환된 아릴기; 치환 또는 비치환된 헤테로고리기이며,
a 는 1 내지 5의 정수이고, b 및 e는 각각 1 내지 3의 정수이며, c 및 d는 각각 1 내지 4의 정수이고, 상기 a 내지 e가 2이상인 경우의 괄호안의 치환기는 서로 같거나 상이하다. - 청구항 1에 있어서, 상기 화학식 1은 하기 화학식 2 내지 8 중 어느 하나로 표시되는 것인 화합물:
[화학식 2]
[화학식 3]
[화학식 4]
[화학식 5]
[화학식 6]
[화학식 7]
[화학식 8]
상기 화학식 2 내지 8에 있어서, L, Ar1, Ar2, Ra 내지 Re, 및 a 내지 e는 화학식 1에서의 정의와 같고,
Rf 내지 Rh 의 정의는 상기 Ra 내지 Re의 정의와 같고,
f 및 g는 각각 1 내지 5의 정수이고, h는 1 내지 8의 정수이며, 상기 f 내지 h가 2 이상인 경우의 괄호 안의 치환기는 서로 동일하거나 상이하다. - 청구항 1에 있어서, 상기 L은 직접결합; 치환 또는 비치환된 페닐렌기; 치환 또는 비치환된 바이페닐렌기; 치환 또는 비치환된 나프틸렌기; 치환 또는 비치환된 터페닐기; 치환 또는 비치환된 쿼터페닐기; 치환 또는 비치환된 안트라센기; 치환 또는 비치환된 페난트렌기; 치환 또는 비치환된 트리페닐렌기; 치환 또는 비치환된 파이렌기; 또는 치환 또는 비치환된 플루오렌기인 것인 화합물.
- 제1 전극; 상기 제1 전극과 대향하여 구비된 제2 전극; 및 상기 제1 전극과 상기 제2 전극 사이에 구비된 1층 이상의 유기물층을 포함하는 유기 발광 소자로서, 상기 유기물층 중 적어도 하나는 청구항 1 내지 5 중 어느 한 항에 따른 화합물을 포함하는 것인 유기 발광 소자.
- 청구항 6에 있어서, 상기 유기물층은 정공주입층 또는 정공수송층을 포함하고, 상기 정공주입층 또는 정공수송층은 상기 화합물을 포함하는 것인 유기 발광 소자.
- 청구항 6에 있어서, 상기 유기물층은 전자저지층을 포함하고, 상기 전자저지층은 상기 화합물을 포함하는 것인 유기 발광 소자.
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| KR1020160050227A KR102087473B1 (ko) | 2016-04-25 | 2016-04-25 | 화합물 및 이를 포함하는 유기발광소자 |
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| KR20180128180A (ko) * | 2017-05-23 | 2018-12-03 | 주식회사 두산 | 유기 화합물 및 이를 포함하는 유기 전계 발광 소자 |
| CN112513035A (zh) * | 2018-10-04 | 2021-03-16 | 株式会社Lg化学 | 化合物和包含其的有机发光二极管 |
| WO2022075746A1 (ko) * | 2020-10-06 | 2022-04-14 | 덕산네오룩스 주식회사 | 유기전기소자용 화합물, 이를 이용한 유기전기소자 및 그 전자 장치 |
| CN116253650A (zh) * | 2021-12-08 | 2023-06-13 | 广州华睿光电材料有限公司 | 芳胺类有机化合物、混合物、组合物和有机电子器件 |
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| KR20150038193A (ko) * | 2012-07-23 | 2015-04-08 | 메르크 파텐트 게엠베하 | 2-디아릴아미노플루오렌의 유도체 및 이를 함유하는 유기 전자 화합물 |
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| KR20180128180A (ko) * | 2017-05-23 | 2018-12-03 | 주식회사 두산 | 유기 화합물 및 이를 포함하는 유기 전계 발광 소자 |
| CN112513035A (zh) * | 2018-10-04 | 2021-03-16 | 株式会社Lg化学 | 化合物和包含其的有机发光二极管 |
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| WO2022075746A1 (ko) * | 2020-10-06 | 2022-04-14 | 덕산네오룩스 주식회사 | 유기전기소자용 화합물, 이를 이용한 유기전기소자 및 그 전자 장치 |
| CN116253650A (zh) * | 2021-12-08 | 2023-06-13 | 广州华睿光电材料有限公司 | 芳胺类有机化合物、混合物、组合物和有机电子器件 |
| CN116253650B (zh) * | 2021-12-08 | 2025-06-13 | 广州华睿光电材料有限公司 | 芳胺类有机化合物、混合物、组合物和有机电子器件 |
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