KR20180098121A - 유기 발광 소자 - Google Patents
유기 발광 소자 Download PDFInfo
- Publication number
- KR20180098121A KR20180098121A KR1020170177273A KR20170177273A KR20180098121A KR 20180098121 A KR20180098121 A KR 20180098121A KR 1020170177273 A KR1020170177273 A KR 1020170177273A KR 20170177273 A KR20170177273 A KR 20170177273A KR 20180098121 A KR20180098121 A KR 20180098121A
- Authority
- KR
- South Korea
- Prior art keywords
- group
- light emitting
- substituted
- unsubstituted
- organic light
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- ZBIONFFFGATHDU-UHFFFAOYSA-N N#CC(C#N)=C(C(c1cc(C(F)(F)F)cc(F)c1)=C1F)C(F)=C(c2cc(F)cc(C(F)(F)F)c2)C1=C(C#N)C#N Chemical compound N#CC(C#N)=C(C(c1cc(C(F)(F)F)cc(F)c1)=C1F)C(F)=C(c2cc(F)cc(C(F)(F)F)c2)C1=C(C#N)C#N ZBIONFFFGATHDU-UHFFFAOYSA-N 0.000 description 1
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- UBWDWUAXUKDBTL-UHFFFAOYSA-N N#CC(C#N)=C(C(c1cc(F)cc(F)c1)=C1F)C(F)=C(c2cc(F)cc(F)c2)C1=C(C#N)C#N Chemical compound N#CC(C#N)=C(C(c1cc(F)cc(F)c1)=C1F)C(F)=C(c2cc(F)cc(F)c2)C1=C(C#N)C#N UBWDWUAXUKDBTL-UHFFFAOYSA-N 0.000 description 1
- AHBPCEUZDLTETH-UHFFFAOYSA-N N#CC(C#N)=C(C(c1cc(F)cnc1)=C1F)C(F)=C(c2cncc(F)c2)C1=C(C#N)C#N Chemical compound N#CC(C#N)=C(C(c1cc(F)cnc1)=C1F)C(F)=C(c2cncc(F)c2)C1=C(C#N)C#N AHBPCEUZDLTETH-UHFFFAOYSA-N 0.000 description 1
- FBAUGQVUQRZSGT-UHFFFAOYSA-N N#CC(C#N)=C(C(c1cc2ccccc2cc1)=C1F)C(F)=C(c2cc3ccccc3cc2)C1=C(C#N)C#N Chemical compound N#CC(C#N)=C(C(c1cc2ccccc2cc1)=C1F)C(F)=C(c2cc3ccccc3cc2)C1=C(C#N)C#N FBAUGQVUQRZSGT-UHFFFAOYSA-N 0.000 description 1
- NRJDIQQPXGNSBF-UHFFFAOYSA-N N#CC(C#N)=C(C(c1ccc(C(F)(F)F)c(F)c1)=C1F)C(F)=C(c2cc(F)c(C(F)(F)F)cc2)C1=C(C#N)C#N Chemical compound N#CC(C#N)=C(C(c1ccc(C(F)(F)F)c(F)c1)=C1F)C(F)=C(c2cc(F)c(C(F)(F)F)cc2)C1=C(C#N)C#N NRJDIQQPXGNSBF-UHFFFAOYSA-N 0.000 description 1
- NSHOMRAUNJLHFB-UHFFFAOYSA-N N#CC(C#N)=C(C(c1ccc[s]1)=C1F)C(F)=C(c2ccc[s]2)C1=C(C#N)C#N Chemical compound N#CC(C#N)=C(C(c1ccc[s]1)=C1F)C(F)=C(c2ccc[s]2)C1=C(C#N)C#N NSHOMRAUNJLHFB-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
도 2는, 기판(1), 양극(2), 정공주입층(8), 정공수송층(3), 전자억제층(4), 발광층(5), 전자수송층(6), 및 음극(6)으로 이루어진 유기 발광 소자의 예를 도시한 것이다.
| 발광층의 호스트 |
전자억제층 | 전압 (V) |
휘도 (cd/A) |
T95 (hr) |
|
| 비교 실험예 1-1 | BH | EB | 4.33 | 5.93 | 270 |
| 비교 실험예 1-2 | BH | 1-1 | 4.24 | 6.12 | 280 |
| 비교 실험예 1-3 | BH | 1-3 | 4.15 | 6.16 | 280 |
| 비교 실험예 1-4 | BH | 1-6 | 4.17 | 6.04 | 285 |
| 비교 실험예 1-5 | BH | 1-8 | 4.23 | 6.17 | 290 |
| 비교 실험예 1-6 | 2-2 | EB | 4.22 | 6.05 | 285 |
| 비교 실험예 1-7 | 2-4 | EB | 4.23 | 6.18 | 280 |
| 비교 실험예 1-8 | 2-5 | EB | 4.13 | 6.09 | 275 |
| 비교 실험예 1-9 | 2-7 | EB | 4.16 | 6.21 | 280 |
| 실험예 1-1 | 2-2 | 1-1 | 3.64 | 6.55 | 315 |
| 실험예 1-2 | 2-4 | 1-1 | 3.63 | 6.53 | 310 |
| 실험예 1-3 | 2-5 | 1-1 | 3.62 | 6.64 | 315 |
| 실험예 1-4 | 2-7 | 1-1 | 3.68 | 6.75 | 300 |
| 실험예 1-5 | 2-2 | 1-3 | 3.72 | 6.64 | 310 |
| 실험예 1-6 | 2-4 | 1-3 | 3.73 | 6.66 | 305 |
| 실험예 1-7 | 2-5 | 1-3 | 3.75 | 6.69 | 300 |
| 실험예 1-8 | 2-7 | 1-3 | 3.74 | 6.67 | 315 |
| 실험예 1-9 | 2-2 | 1-6 | 3.89 | 6.45 | 305 |
| 실험예 1-10 | 2-4 | 1-6 | 3.86 | 6.41 | 300 |
| 실험예 1-11 | 2-5 | 1-6 | 3.85 | 6.42 | 300 |
| 실험예 1-12 | 2-7 | 1-6 | 3.82 | 6.44 | 305 |
| 실험예 1-13 | 2-2 | 1-8 | 3.74 | 6.56 | 325 |
| 실험예 1-14 | 2-4 | 1-8 | 3.72 | 6.54 | 320 |
| 실험예 1-15 | 2-5 | 1-8 | 3.71 | 6.58 | 325 |
| 실험예 1-16 | 2-7 | 1-8 | 3.79 | 6.55 | 325 |
| 정공주입층 | 발광층의 호스트 |
전자억제층 | 전압 (V) |
휘도 (cd/A) |
T95 (hr) |
|
| 비교 실험예 1-1 | HAT | BH | EB | 4.33 | 5.93 | 270 |
| 비교 실험예 2-1 | HAT | BH | 1-2 | 4.24 | 6.12 | 280 |
| 비교 실험예 2-2 | HAT | BH | 1-4 | 4.15 | 6.16 | 280 |
| 비교 실험예 2-3 | HAT | BH | 1-5 | 4.17 | 6.04 | 285 |
| 비교 실험예 2-4 | HAT | BH | 1-7 | 4.23 | 6.17 | 290 |
| 비교 실험예 2-5 | HAT | 2-1 | EB | 4.22 | 6.05 | 285 |
| 비교 실험예 2-6 | HAT | 2-3 | EB | 4.23 | 6.18 | 280 |
| 비교 실험예 2-7 | HAT | 2-6 | EB | 4.13 | 6.09 | 275 |
| 비교 실험예 2-8 | HAT | 2-8 | EB | 4.16 | 6.21 | 280 |
| 실험예 2-1 | HAT | 2-1 | 1-2 | 3.64 | 6.55 | 315 |
| 실험예 2-2 | HAT | 2-3 | 1-2 | 3.63 | 6.53 | 310 |
| 실험예 2-3 | HAT | 2-6 | 1-2 | 3.62 | 6.54 | 315 |
| 실험예 2-4 | HAT | 2-8 | 1-2 | 3.68 | 6.55 | 300 |
| 실험예 2-5 | 3-1 | 2-1 | 1-4 | 3.72 | 6.54 | 310 |
| 실험예 2-6 | 3-3 | 2-3 | 1-4 | 3.73 | 6.56 | 305 |
| 실험예 2-7 | 3-1 | 2-6 | 1-4 | 3.75 | 6.59 | 300 |
| 실험예 2-8 | 3-3 | 2-8 | 1-4 | 3.74 | 6.57 | 315 |
| 실험예 2-9 | 3-3 | 2-1 | 1-5 | 3.59 | 6.69 | 305 |
| 실험예 2-10 | 3-1 | 2-3 | 1-5 | 3.57 | 6.71 | 300 |
| 실험예 2-11 | 3-3 | 2-6 | 1-5 | 3.59 | 6.68 | 300 |
| 실험예 2-12 | 3-1 | 2-8 | 1-5 | 3.58 | 6.67 | 305 |
| 실험예 2-13 | 3-3 | 2-1 | 1-7 | 3.74 | 6.56 | 325 |
| 실험예 2-14 | 3-1 | 2-3 | 1-7 | 3.72 | 6.54 | 320 |
| 실험예 2-15 | 3-1 | 2-6 | 1-7 | 3.71 | 6.58 | 325 |
| 실험예 2-16 | 3-3 | 2-8 | 1-7 | 3.79 | 6.55 | 325 |
| 전자수송층 | 발광층의 호스트 |
전자억제층 | 전압 (V) |
휘도 (cd/A) |
T95 (hr) |
|
| 비교 실험예 1-1 | ET | BH | EB | 4.33 | 5.93 | 270 |
| 비교 실험예 1-2 | ET | BH | 1-1 | 4.24 | 6.12 | 280 |
| 비교 실험예 1-3 | ET | BH | 1-3 | 4.15 | 6.16 | 280 |
| 비교 실험예 1-4 | ET | BH | 1-6 | 4.17 | 6.04 | 285 |
| 비교 실험예 1-5 | ET | BH | 1-8 | 4.23 | 6.17 | 290 |
| 비교 실험예 1-6 | ET | 2-2 | EB | 4.22 | 6.05 | 285 |
| 비교 실험예 1-7 | ET | 2-4 | EB | 4.23 | 6.18 | 280 |
| 비교 실험예 1-8 | ET | 2-5 | EB | 4.13 | 6.09 | 275 |
| 비교 실험예 1-9 | ET | 2-7 | EB | 4.16 | 6.21 | 280 |
| 실험예 1-1 | ET | 2-2 | 1-1 | 3.64 | 6.55 | 315 |
| 실험예 1-2 | ET | 2-4 | 1-1 | 3.63 | 6.53 | 310 |
| 실험예 1-3 | ET | 2-5 | 1-1 | 3.62 | 6.64 | 315 |
| 실험예 3-1 | 4-1 | 2-7 | 1-1 | 3.68 | 6.75 | 345 |
| 실험예 3-2 | 4-4 | 2-2 | 1-3 | 3.72 | 6.64 | 350 |
| 실험예 3-3 | 4-1 | 2-4 | 1-3 | 3.73 | 6.66 | 345 |
| 실험예 3-4 | 4-4 | 2-5 | 1-3 | 3.75 | 6.69 | 345 |
| 실험예 3-5 | 4-4 | 2-7 | 1-3 | 3.74 | 6.67 | 350 |
| 실험예 3-6 | 4-4 | 2-2 | 1-6 | 3.89 | 6.45 | 340 |
| 실험예 3-7 | 4-1 | 2-4 | 1-6 | 3.86 | 6.41 | 345 |
| 실험예 3-8 | 4-1 | 2-5 | 1-6 | 3.85 | 6.42 | 340 |
| 실험예 3-9 | 4-1 | 2-7 | 1-8 | 3.82 | 6.44 | 340 |
| 실험예 3-10 | 4-1 | 2-2 | 1-8 | 3.74 | 6.56 | 360 |
| 실험예 3-11 | 4-4 | 2-4 | 1-8 | 3.72 | 6.54 | 365 |
| 실험예 3-12 | 4-1 | 2-5 | 1-8 | 3.71 | 6.58 | 365 |
| 실험예 3-13 | 4-4 | 2-7 | 1-7 | 3.79 | 6.55 | 360 |
3: 정공수송층 4: 전자억제층
5: 발광층 6: 전자수송층
7: 음극 8: 정공주입층
Claims (13)
- 양극,
음극,
상기 양극과 음극 사이에 발광층, 및
상기 양극과 발광층 사이에 전자억제층을 포함하고,
상기 전자억제층은 하기 화학식 1로 표시되는 화합물을 포함하고,
상기 발광층은 하기 화학식 2로 표시되는 화합물을 포함하는,
유기 발광 소자:
[화학식 1]
상기 화학식 1에서,
Ar1 및 Ar2는 각각 독립적으로 치환 또는 비치환된 C6-18 아릴; 또는 치환 또는 비치환된 O 및 S로 구성되는 군으로부터 선택되는 헤테로원자를 1개 이상을 포함하는 C2-60 헤테로아릴렌이고,
L1, L2, 및 L3는 각각 독립적으로 결합; 치환 또는 비치환된 C6-60 아릴렌; 또는 치환 또는 비치환된 O, N, Si 및 S로 구성되는 군으로부터 선택되는 헤테로원자를 1개 이상을 포함하는 C2-60 헤테로아릴렌이고,
[화학식 2]
상기 화학식 2에서,
Ar3 및 Ar4는 각각 독립적으로 치환 또는 비치환된 C6-60 아릴; 또는 치환 또는 비치환된 O, N, Si 및 S로 구성되는 군으로부터 선택되는 헤테로원자를 1개 이상을 포함하는 C2-60 헤테로아릴렌이고,
L4 및 L5은 각각 독립적으로 결합; 치환 또는 비치환된 C6-60 아릴렌; 또는 치환 또는 비치환된 O, N, Si 및 S로 구성되는 군으로부터 선택되는 헤테로원자를 1개 이상을 포함하는 C2-60 헤테로아릴렌이다.
- 제1항에 있어서,
Ar1 및 Ar2는 각각 독립적으로 페닐, 비페닐린, 터페닐린, 나프틸, 페난쓰레닐, 트리페닐레닐, 디메틸플루오레닐, 디페닐플루오레닐, 스피로비플루오레닐, 디벤조퓨라닐, 또는 디벤조티오페닐이인,
유기 발광 소자.
- 제1항에 있어서,
L1, L2, 및 L3는 각각 독립적으로 결합, 페닐렌, 비페닐릴렌, 나프틸렌, 또는 디메틸플루오레닐렌인,
유기 발광 소자.
- 제1항에 있어서,
Ar3 및 Ar4는 각각 독립적으로 페닐, 비페닐린, 터페닐린, 나프틸, 페난쓰레닐, 트리페닐레닐, 디메틸플루오레닐, 또는 디페닐플루오레닐인,
유기 발광 소자.
- 제1항에 있어서,
L4 및 L5는 각각 독립적으로 결합, 페닐렌, 나프틸렌, 또는 안트라세닐렌인,
유기 발광 소자.
- 제1항 있어서,
상기 양극과 전자억제층 사이에 정공주입층 또는 전하발생층을 포함하고,
상기 정공주입층 또는 전하발생층은 하기 화학식 3으로 표시되는 화합물을 포함하는,
유기 발광 소자:
[화학식 3]
상기 화학식 3에서,
R1은 하기로 구성되는 군으로부터 선택되는 어느 하나이고,
R2는 수소, 중수소, 할로겐, 시아노, 또는 치환 또는 비치환된 C1-60 할로알킬이고,
Ar5는 치환 또는 비치환된 C6-60 아릴; 또는 치환 또는 비치환된 O, N, Si 및 S로 구성되는 군으로부터 선택되는 헤테로원자를 1개 이상을 포함하는 C2-60 헤테로아릴렌이다.
- 제8항에 있어서,
Ar5는 페닐, 나프틸, 피리딘, 퀴나졸리닐, 또는 티오페닐이고, 상기 Ar5는 비치환되거나 또는 할로겐, C1-6 할로알킬, C1-6 할로알콕시, 및 시아노로 구성되는 군으로부터 선택되는 1 내지 5개의 치환기로 치환된,
유기 발광 소자.
- 제1항에 있어서,
상기 발광층과 음극 사이에 전자수송층 또는 정공억제층을 포함하고,
상기 전자수송층 또는 정공억제층은 하기 화학식 4로 표시되는 화합물, 또는 하기 화학식 5로 표시되는 화합물을 포함하는,
유기 발광 소자:
[화학식 4]
상기 화학식 4에서,
L6 및 L7은 각각 독립적으로 결합; 또는 치환 또는 비치환된 C6-60 아릴렌이고,
Ar6 및 Ar7은 각각 독립적으로 치환 또는 비치환된 C6-60 아릴; 또는 치환 또는 비치환된 O, N, Si 및 S로 구성되는 군으로부터 선택되는 헤테로원자를 1개 이상을 포함하는 C2-60 헤테로아릴이고,
[화학식 5]
상기 화학식 5에서,
X1 내지 X3은 각각 독립적으로 N, 또는 CH이고,
L8 및 L9은 각각 독립적으로, 결합; 또는 치환 또는 비치환된 C6-60 아릴렌이고,
Ar8 및 Ar9은 각각 독립적으로 치환 또는 비치환된 C6-60 아릴; 또는 치환 또는 비치환된 O, N, Si 및 S로 구성되는 군으로부터 선택되는 헤테로원자를 1개 이상을 포함하는 C2-60 헤테로아릴이고,
n은 1 내지 5의 정수이다.
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