KR20180012725A - 다중고리 화합물 및 이를 포함하는 유기 발광 소자 - Google Patents
다중고리 화합물 및 이를 포함하는 유기 발광 소자 Download PDFInfo
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Abstract
Description
도 2는 본 명세서의 또 하나의 실시상태에 따르는 유기 발광 소자를 도시한 것이다.
| 화합물 (전자수송층) |
전압 (V@10Ma /cm2) |
효율 (cd/A@10mA /cm2) |
색좌표 (x,y) |
T95(hr) |
|
| 실험예 1 | ET 1 | 5.06 | 5.09 | (0.141, 0.045) | 190 |
| 실험예 1-1 | 화합물 1 | 4.42 | 5.81 | (0.140, 0.049) | 290 |
| 실험예 1-2 | 화합물 2 | 4.46 | 5.76 | (0.141, 0.045) | 285 |
| 실험예 1-3 | 화합물 3 | 4.75 | 5.42 | (0.141, 0.045) | 255 |
| 실험예 1-4 | 화합물 4 | 4.45 | 5.72 | (0.142, 0.046) | 280 |
| 실험예 1-5 | 화합물 5 | 4.71 | 5.46 | (0.141, 0.045) | 250 |
| 실험예 1-6 | 화합물 6 | 4.41 | 5.79 | (0.141, 0.045) | 285 |
| 실험예 1-7 | 화합물 7 | 4.47 | 5.75 | (0.142, 0.046) | 280 |
| 실험예 1-8 | 화합물 8 | 4.48 | 5.73 | (0.141, 0.045) | 290 |
| 실험예 1-9 | 화합물 9 | 4.43 | 5.70 | (0.141, 0.045) | 295 |
| 실험예 1-10 | 화합물 10 | 4.62 | 5.51 | (0.141, 0.045) | 275 |
| 실험예 1-11 | 화합물 11 | 4.66 | 5.64 | (0.141, 0.045) | 280 |
| 실험예 1-12 | 화합물 12 | 4.55 | 5.56 | (0.141, 0.045) | 275 |
| 실험예 1-13 | 화합물 13 | 4.69 | 5.69 | (0.141, 0.045) | 280 |
| 실험예 1-14 | 화합물 14 | 4.64 | 5.65 | (0.141, 0.045) | 285 |
| 실험예 1-15 | 화합물 15 | 4.50 | 5.61 | (0.141, 0.045) | 270 |
| 실험예 1-16 | 화합물 16 | 4.71 | 5.46 | (0.141, 0.045) | 230 |
| 실험예 1-17 | 화합물 17 | 4.75 | 5.41 | (0.141, 0.045) | 235 |
| 비교예 1 | ET 2 | 4.95 | 5.16 | (0.141, 0.045) | 205 |
| 비교예 2 | ET 3 | 5.32 | 4.74 | (0.141, 0.045) | 225 |
| 비교예 3 | ET 4 | 5.28 | 4.95 | (0.141, 0.045) | 210 |
| 화합물 (녹색발광층) |
전압 (V@10Ma /cm2) |
효율 (cd/A@10mA /cm2) |
색좌표 (x,y) |
T95(hr) |
|
| 실험예 2 | GH 1 | 4.23 | 102.46 | (0.257, 0.713) | 260 |
| 실험예 2-1 | 화합물 1 | 3.79 | 117.21 | (0.256, 0.710) | 380 |
| 실험예 2-2 | 화합물 2 | 3.82 | 116.81 | (0.256, 0.712) | 375 |
| 실험예 2-3 | 화합물 4 | 3.81 | 116.23 | (0.254, 0.713) | 365 |
| 실험예 2-4 | 화합물 6 | 3.85 | 116.17 | (0.254, 0.715) | 360 |
| 실험예 2-5 | 화합물 7 | 3.87 | 116.65 | (0.254, 0.716) | 365 |
| 실험예 2-6 | 화합물 8 | 3.89 | 115.92 | (0.255, 0.711) | 355 |
| 실험예 2-7 | 화합물 9 | 3.88 | 115.81 | (0.255, 0.708) | 360 |
| 실험예 2-8 | 화합물 10 | 3.93 | 113.45 | (0.255, 0.707) | 350 |
| 실험예 2-9 | 화합물 11 | 3.93 | 113.81 | (0.254, 0.706) | 365 |
| 실험예 2-10 | 화합물 12 | 3.96 | 111.15 | (0.253, 0.702) | 345 |
| 실험예 2-11 | 화합물 13 | 3.95 | 110.95 | (0.250, 0.699) | 325 |
| 실험예 2-12 | 화합물 14 | 3.91 | 112.26 | (0.251, 0.697) | 335 |
| 실험예 2-13 | 화합물 15 | 3.94 | 111.13 | (0.250, 0.698) | 320 |
| 비교예 4 | GH 2 | 4.51 | 96.05 | (0.257, 0.713) | 230 |
| 비교예 5 | GH 3 | 5.13 | 72.44 | (0.244, 0.694) | 165 |
2: 양극
3: 발광층
4: 음극
5: 정공주입층
6: 정공수송층
7: 전자수송층
Claims (16)
- 하기 화학식 1로 표시되는 화합물:
[화학식 1]
상기 화학식 1에서,
A 및 B은 하기 화학식 2 내지 3 중 하나로 표시되고,
L1 및 L2는 서로 같거나 상이하고, 각각 독립적으로 직접결합; 치환 또는 비치환된 아릴렌기; 또는 치환 혹은 비치환된 헤테로아릴렌기이고,
R1 내지 R8은 서로 같거나 상이하고, 각각 독립적으로 수소; 중수소; 니트릴기; 치환 또는 비치환된 알킬기; 치환 또는 비치환된 시클로알킬기; 치환 또는 비치환된 알콕시기; 치환 또는 비치환된 아릴옥시기; 치환 또는 비치환된 알케닐기; 치환 또는 비치환된 실릴기; 치환 또는 비치환된 아민기; 치환 또는 비치환된 아릴기; 또는 치환 또는 비치환된 헤테로아릴기이고,
n은 0 내지 3의 정수이고, n이 2 이상인 경우, R8은 서로 같거나 상이하고,
[화학식 2]
[화학식 3]
Y는 S, O, NRa, 또는 CRbRc이고,
Ar1 및 Ar2는 서로 같거나 상이하고, 각각 독립적으로 치환 또는 비치환된 아릴기; 또는 치환 또는 비치환된 헤테로아릴기이며,
X1 내지 X3는 서로 같거나 상이하고, 각각 독립적으로 N 또는 CRd 이고,
L3은 직접결합; 치환 또는 비치환된 아릴렌기; 또는 치환 혹은 비치환된 헤테로아릴렌기이고,
Ra 내지 Re는 서로 같거나 상이하고, 각각 독립적으로 수소; 중수소; 니트릴기; 치환 또는 비치환된 알킬기; 치환 또는 비치환된 아릴기; 또는 치환 또는 비치환된 헤테로아릴기이고,
Rb 와 Rc는 서로 결합하여 고리구조를 형성할 수 있고,
p는 0 내지 7의 정수이고,
p가 2 이상일 경우 Re는 서로 같거나 상이하고, Re 중 인접하는 기는 서로 결합하여 고리를 형성할 수 있으며,
*은 L1 또는 L2에 결합하는 부위이다. - 청구항 1에 있어서,
Y는 S, O 또는 NRa인 화합물. - 청구항 2에 있어서, L1 및 L2 중 적어도 하나는 직접결합인 것인 화합물.
- 제1 전극; 상기 제1 전극에 대향하여 구비된 제2 전극; 및 상기 제1 전극과 제2 전극 사이에 구비된 1층 또는 2층 이상의 유기물층을 포함하는 유기 발광 소자로서, 상기 유기물층 중 1 층 이상은 청구항 1 내지 12 중 어느 한 항의 화합물을 포함하는 것인 유기 발광 소자.
- 청구항 13에 있어서, 상기 유기물층은 발광층을 포함하고, 상기 발광층은 상기 화합물을 포함하는 것인 유기 발광 소자.
- 청구항 13에 있어서, 상기 유기물층은 정공주입층, 정공수송층 또는 전자차단층을 포함하고, 상기 정공주입층, 정공수송층 또는 전자차단층은 상기 화합물을 발광층의 호스트로서 포함하는 것인 유기 발광 소자.
- 청구항 13에 있어서, 상기 유기물층은 정공차단층, 전자수송층 또는 전자주입층을 포함하고, 상기 정공차단층, 전자수송층 또는 전자주입층은 상기 화합물을 포함하는 것인 유기 발광 소자.
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| EP (1) | EP3476833B1 (ko) |
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| WO2019245264A1 (ko) * | 2018-06-19 | 2019-12-26 | 엘티소재주식회사 | 헤테로고리 화합물, 이를 포함하는 유기 발광 소자, 이의 제조 방법 및 유기물층용 조성물 |
| KR20190143184A (ko) * | 2018-06-20 | 2019-12-30 | 주식회사 엘지화학 | 화합물 및 이를 포함하는 유기 전자 소자 |
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| KR20200037734A (ko) * | 2018-10-01 | 2020-04-09 | 주식회사 엘지화학 | 헤테로고리 화합물 및 이를 포함하는 유기 발광 소자 |
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| WO2018021854A1 (ko) * | 2016-07-27 | 2018-02-01 | 주식회사 엘지화학 | 다중고리 화합물 및 이를 포함하는 유기 발광 소자 |
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| WO2019245264A1 (ko) * | 2018-06-19 | 2019-12-26 | 엘티소재주식회사 | 헤테로고리 화합물, 이를 포함하는 유기 발광 소자, 이의 제조 방법 및 유기물층용 조성물 |
| KR20190143184A (ko) * | 2018-06-20 | 2019-12-30 | 주식회사 엘지화학 | 화합물 및 이를 포함하는 유기 전자 소자 |
| KR20200027333A (ko) * | 2018-09-04 | 2020-03-12 | 삼성에스디아이 주식회사 | 유기 광전자 소자용 조성물, 유기 광전자 소자 및 표시 장치 |
| KR20200037734A (ko) * | 2018-10-01 | 2020-04-09 | 주식회사 엘지화학 | 헤테로고리 화합물 및 이를 포함하는 유기 발광 소자 |
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Also Published As
| Publication number | Publication date |
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| JP2021038239A (ja) | 2021-03-11 |
| EP3476833B1 (en) | 2020-10-14 |
| CN109641840A (zh) | 2019-04-16 |
| US10957857B2 (en) | 2021-03-23 |
| EP3476833A4 (en) | 2019-05-29 |
| US20190237674A1 (en) | 2019-08-01 |
| KR101906065B1 (ko) | 2018-10-10 |
| CN109641840B (zh) | 2022-11-18 |
| JP2019524715A (ja) | 2019-09-05 |
| JP6844826B2 (ja) | 2021-03-17 |
| EP3476833A1 (en) | 2019-05-01 |
| WO2018021854A1 (ko) | 2018-02-01 |
| TW201816075A (zh) | 2018-05-01 |
| TWI665286B (zh) | 2019-07-11 |
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