WO2022211594A1 - 유기 광전자 소자용 조성물, 유기 광전자 소자 및 표시 장치 - Google Patents
유기 광전자 소자용 조성물, 유기 광전자 소자 및 표시 장치 Download PDFInfo
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- WO2022211594A1 WO2022211594A1 PCT/KR2022/004749 KR2022004749W WO2022211594A1 WO 2022211594 A1 WO2022211594 A1 WO 2022211594A1 KR 2022004749 W KR2022004749 W KR 2022004749W WO 2022211594 A1 WO2022211594 A1 WO 2022211594A1
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- 229910052719 titanium Inorganic materials 0.000 description 1
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- 125000001425 triazolyl group Chemical group 0.000 description 1
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- 125000005580 triphenylene group Chemical group 0.000 description 1
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- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
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- 239000011701 zinc Substances 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
구분 | 제1 호스트 | 제2 호스트 | Pt 도펀트 | 제1 호스트의 HOMO(eV) | 제2 호스트의 HOMO(eV) | 제1 호스트의 LUMO 에너지 준위 - 제2 호스트의 HOMO 에너지 준위 (eV) |
전류 효율비 (%) |
실시예 1 | A-41 | B-5 | 4 | -5.575 | -5.420 | 2.625 | 107 |
실시예 2 | A-42 | B-2 | 4 | -5.895 | -5.410 | 2.530 | 109 |
실시예 3 | A-43 | B-1 | 4 | -5.580 | -5.415 | 2.625 | 109 |
실시예 4 | A-200 | B-5 | 4 | -5.560 | -5.420 | 2.620 | 114 |
비교예 1 | A-41 | B-16 | 4 | -5.575 | -5.300 | 2.505 | 100 |
구분 | 제1 호스트 | 제2 호스트 | Pt 도펀트 | 수명비(%) |
실시예 5 | A-41 | B-5 | 4 | 175 |
비교예 2 | C1 | B-5 | 4 | 100 |
Claims (10)
- 하기 화학식 1로 표시되는 Pt 도펀트,하기 화학식 2로 표시되는 전자 수송성 기를 포함하는 제1 호스트, 및적어도 하나의 정공 수송성 기를 포함하는 제2 호스트를 포함하고,상기 제2 호스트의 HOMO 에너지 준위는 상기 제1 호스트의 HOMO 에너지 준위 보다 높고,상기 제1 호스트의 LUMO 에너지 준위와 상기 제2 호스트의 HOMO 에너지 준위의 차이는 2.505 eV를 초과하는, 유기 광전자 소자용 조성물:[화학식 1]상기 화학식 1에서,X1은 O, S, N-[(L1)b1-(R10)c1], C(R10)(R11), Si(R10)(R11) 및 C(=O) 중에서 선택되고,R10 및 R11은 각각 독립적으로, 제1 연결기를 통하여 서로 결합하여, 치환 또는 비치환된 C5 내지 C30 카보시클릭 그룹 또는 치환 또는 비치환된 C1 내지 C30 헤테로시클릭 그룹을 형성하고,L1은 치환 또는 비치환된 C5 내지 C30 카보시클릭 그룹 및 치환 또는 비치환된 C1 내지 C30 헤테로시클릭 그룹 중에서 선택되고,b1은 0 내지 5의 정수 중에서 선택되고,c1은 1 내지 5의 정수 중에서 선택되고,R1 내지 R9는 각각 독립적으로, 수소, 중수소, -F, -Cl, -Br, -I, -SF5, 히드록실기, 시아노기, 니트로기, 아미디노기, 히드라진기, 히드라존기, 카르복실산기 또는 이의 염, 술폰산기 또는 이의 염, 인산기 또는 이의 염, 치환 또는 비치환된 C1 내지 C60 알킬기, 치환 또는 비치환된 C2 내지 C60 알케닐기, 치환 또는 비치환된 C2 내지 C60 알키닐기, 치환 또는 비치환된 C1 내지 C60 알콕시기, 치환 또는 비치환된 C3 내지 C10시클로알킬기, 치환 또는 비치환된 C1 내지 C10 헤테로시클로알킬기, 치환 또는 비치환된 C3 내지 C10 시클로알케닐기, 치환 또는 비치환된 C1 내지 C10 헤테로시클로알케닐기, 치환 또는 비치환된 C6 내지 C60 아릴기, 치환 또는 비치환된 C6 내지 C60 아릴옥시기, 치환 또는 비치환된 C6 내지 C60 아릴티오기, 치환 또는 비치환된 C1 내지 C60 헤테로아릴기, 치환 또는 비치환된 1가 비-방향족 축합다환 그룹, 및 치환 또는 비치환된 1가 비-방향족 헤테로축합다환 그룹 중에서 선택되고,X3은 O 또는 S이고, X3과 Pt 사이의 결합은 공유 결합이고,X2, X4 및 X5는 서로 독립적으로, N 또는 C이고, X2와 Pt 사이의 결합, X4와 Pt 사이의 결합, 및 X5와 Pt 사이의 결합 중 1개의 결합은 공유 결합이고, 나머지 2개의 결합은 배위 결합이고,Y1 내지 Y4는 서로 독립적으로, C 또는 N이고,CY1은 벤젠 그룹 또는 나프탈렌 그룹이고,CY2는 피리딘 그룹 또는 이소퀴놀린 그룹이며;[화학식 2]상기 화학식 2에서,n은 0 또는 1의 정수이고,n은 1인 경우, Z는 O, S, CRaRb 또는 NRc이고,Ra, Rb, Rc, R19 내지 R21은 각각 독립적으로 수소, 중수소, 시아노기, 할로겐, 치환 또는 비치환된 C1 내지 C30 알킬기, 또는 치환 또는 비치환된 C6 내지 C30 아릴기이고,L2는 단일 결합, 치환 또는 비치환된 C6 내지 C30 아릴렌기 또는 치환 또는 비치환된 C2 내지 C30 헤테로아릴렌기이고,Ar1은 치환 또는 비치환된 C6 내지 C30 아릴기 또는 치환 또는 비치환된 C2 내지 C30 헤테로아릴기이며,*은 연결 지점이다.
- 제1항에 있어서,상기 제1 호스트의 LUMO 에너지 준위와 상기 제2 호스트의 HOMO 에너지 준위의 차이는 2.530 eV 이상인, 유기 광전자 소자용 조성물.
- 제1항에 있어서,상기 제1 호스트의 LUMO 에너지 준위와 상기 제2 호스트의 HOMO 에너지 준위의 차이는 2.53 eV 내지 2.70 eV 인, 유기 광전자 소자용 조성물.
- 제1항에 있어서,상기 제1 호스트는 하기 그룹 Ⅰ에 나열된 화학식 중 어느 하나로 표시되는 것인, 유기 광전자 소자용 조성물:[그룹 Ⅰ][화학식 ⅠA] [화학식 ⅠB][화학식 ⅠC] [화학식 ⅠD]상기 화학식 ⅠA 내지 화학식 ⅠD 에서,Z, n, Ar1, L2, L3, R19 내지 R21은 각각 제1항에서 정의한 바와 같고,X6은 O, S, CRdRe 또는 NRf이고,Rd, Re, Rf 및 R22 내지 R30은 각각 독립적으로 수소, 중수소, 시아노기, 할로겐, 치환 또는 비치환된 C1 내지 C30 알킬기, 또는 치환 또는 비치환된 C6 내지 C30 아릴기이고,환 A는 하기 그룹 A에서 선택되는 어느 하나이고,환 B는 하기 그룹 B에서 선택되는 어느 하나이며,[그룹 A][그룹 B]상기 그룹 A 및 그룹 B에서,X7 및 X8은 각각 독립적으로 O, S, CRgRh 또는 NRi이고,Rg, Rh, Ri 및 R31 내지 R42는 각각 독립적으로 수소, 중수소, 시아노기, 할로겐, 치환 또는 비치환된 C1 내지 C30 알킬기, 치환 또는 비치환된 C6 내지 C30 아릴기 또는 치환 또는 비치환된 C2 내지 C30 헤테로고리기이며,*은 연결 지점이다.
- 제1항에 있어서,상기 정공 수송성 기는, 치환 또는 비치환된 카바졸일기, 및 치환 또는 비치환된 융합카바졸일기에서 선택되는 적어도 하나인, 유기 광전자 소자용 조성물.
- 제1항에 있어서,상기 제2 호스트는 하기 그룹 Ⅱ에 나열된 화학식 중 어느 하나로 표시되는 것인, 유기 광전자 소자용 조성물:[그룹 Ⅱ][화학식 ⅡA][화학식 ⅡB]상기 화학식 ⅡA 및 화학식 ⅡB에서,R43 내지 R50은 각각 독립적으로 수소, 중수소, 시아노기, 할로겐, 치환 또는 비치환된 C1 내지 C30 알킬기, 또는 치환 또는 비치환된 C6 내지 C30 아릴기이고,L4 내지 L6은 각각 독립적으로 단일 결합, 치환 또는 비치환된 C6 내지 C30 아릴렌기 또는 치환 또는 비치환된 C2 내지 C30 헤테로아릴렌기이고,Ar3 내지 Ar5는 각각 독립적으로 치환 또는 비치환된 C6 내지 C30 아릴기 또는 치환 또는 비치환된 C2 내지 C30 헤테로아릴기이고,환 C는 하기 그룹 C에서 선택되는 어느 하나이고,[그룹 C]상기 그룹 C에서,X9는 O, S 또는 NRj이고,Rj 및 R51 내지 R56은 각각 독립적으로 수소, 중수소, 시아노기, 할로겐, 치환 또는 비치환된 C1 내지 C30 알킬기, 또는 치환 또는 비치환된 C6 내지 C30 아릴기이이고,R57은 치환 또는 비치환된 C6 내지 C30 아릴기 또는 치환 또는 비치환된 C2 내지 C30 헤테로아릴기이며,*은 연결 지점이다.
- 서로 마주하는 양극과 음극, 그리고상기 양극과 상기 음극 사이에 위치하는 유기층을 포함하고,상기 유기층은 발광층을 포함하며,상기 발광층은 제1항 내지 제8항 중 어느 한 항에 따른 유기 광전자 소자용 조성물을 포함하는 유기 광전자 소자.
- 제9항에 따른 유기 광전자 소자를 포함하는 표시 장치.
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CN115894462A (zh) * | 2022-10-09 | 2023-04-04 | 北京莱特众成光电材料科技有限公司 | 有机化合物、有机电致发光器件和电子装置 |
US20230397493A1 (en) * | 2021-11-18 | 2023-12-07 | Shaanxi Lighte Optoelectronics Material Co., Ltd. | Organic electroluminescent devices and electronic apparatus |
CN117603192A (zh) * | 2023-01-11 | 2024-02-27 | 陕西莱特光电材料股份有限公司 | 有机化合物、组合物、有机电致发光器件及电子装置 |
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CN117603192A (zh) * | 2023-01-11 | 2024-02-27 | 陕西莱特光电材料股份有限公司 | 有机化合物、组合物、有机电致发光器件及电子装置 |
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EP4318622A1 (en) | 2024-02-07 |
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