KR102026645B1 - 유기전기 소자용 화합물, 이를 이용한 유기전기소자 및 그 전자 장치 - Google Patents
유기전기 소자용 화합물, 이를 이용한 유기전기소자 및 그 전자 장치 Download PDFInfo
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Abstract
Description
120: 제 1전극 130: 정공주입층
140: 정공수송층 141: 버퍼층
150: 발광층 151: 발광보조층
160: 전자수송층 170: 전자주입층
180: 제 2전극
Claims (8)
- 하기 화학식으로 표시되는 화합물.
상기 화학식에서,
R1~R16은 서로 독립적으로 ⅰ) 수소; 중수소; 할로겐; C6~C60의 아릴기; O, N, S, Si 및 P 중 적어도 하나의 헤테로원자를 포함하는 C3~C60의 헤테로고리기; C1~C50의 알킬기; -L-N(Ar1)(Ar2); 또는 플루오렌일기;이거나, 또는 ⅱ) 이웃한 기끼리 서로 결합하여 적어도 하나의 고리를 형성하며(이때, 고리를 형성하지 않는 기는 ⅰ)에서 정의된 것과 같음), X 및 Z는 서로 독립적으로 N(Ar), S, O 또는 C(R')(R")이다.
(상기 Ar은 C6~C60의 아릴기; O, N, S, Si 및 P 중 적어도 하나의 헤테로원자를 포함하는 C3~C60의 헤테로고리기; C1~C50의 알킬기; C2~C20의 알켄일기; 플루오렌일기; C1~C30의 알콕시기; 또는 -L1-N(Ar3)(Ar4) 이며,
상기 L 및 L1은 직접결합; C6~C60의 아릴렌기; C3~C60의 헤테로아릴렌기; 플루오렌일렌기; 또는 2가의 지방족 탄화수소기이며(이때, 이들은 니트로기, 시아노기, 할로겐기, C1~C20의 알킬기, C6~C20의 아릴기, C2~C20의 헤테로고리기, C1~C20의 알콕시기 및 아미노기로 이루어진 군에서 선택되는 하나 이상의 치환기로 치환될 수 있음),
상기 Ar1 내지 Ar4는 서로 독립적으로, C6~C60의 아릴기; O, N, S, Si 및 P 중 적어도 하나의 헤테로원자를 포함하는 C3~C60의 헤테로고리기; C1~C50의 알킬기; C2~C20의 알켄일기; C1~C30의 알콕시기; 또는 플루오렌일기이며,
상기 R' 및 R"은 서로 독립적으로, C6~C60의 아릴기; 플루오렌일기; O, N, S, Si 및 P 중 적어도 하나의 헤테로원자를 포함하는 C3~C60의 헤테로고리기; 또는 C1~C50의 알킬기이며,
상기 R1~R16, Ar, Ar1~Ar4, R' 및 R"이 아릴기인 경우, 이는 중수소, 할로겐, 실란기, 붕소기, 게르마늄기, 시아노기, 니트로기, C1~C20의 알킬싸이오기, C1~C20의 알콕실기, C1~C20의 알킬기, C2~C20의 알켄일기(alkenyl), C2~C20의 알카인일기(alkynyl), C6~C20의 아릴기, 중수소로 치환된 C6~C20의 아릴기, C2~C20의 헤테로고리기, C3~C20의 시클로알킬기, C7~C20의 아릴알킬기 및 C8~C20의 아릴알켄일기로 이루어진 군에서 선택된 하나 이상의 치환기로 치환될 수 있고,
상기 R1~R16, Ar, Ar1~Ar4, R' 및 R"이 헤테로고리기인 경우, 이는 중수소, 할로겐, 실란기, 시아노기, 니트로기, C1~C20의 알콕실기, C1~C20의 알킬기, C2~C20의 알켄일기(alkenyl), C6~C20의 아릴기, 중수소로 치환된 C6~C20의 아릴기, C2~C20의 헤테로고리기, C3~C20의 시클로알킬기, C7~C20의 아릴알킬기 및 C8~C20의 아릴알켄일기로 이루어진 군에서 선택된 하나 이상의 치환기로 치환될 수 있고,
상기 R1~R16, Ar, Ar1~Ar4, R' 및 R"이 플루오렌일기인 경우, 이는 중수소, 할로겐, 실란기, 시아노기, C1~C20의 알킬기, C2~C20의 알켄일기(alkenyl), C6~C20의 아릴기, 중수소로 치환된 C6~C20의 아릴기, C2~C20의 헤테로고리기 및 C3~C20의 시클로알킬기로 이루어진 군에서 선택된 하나 이상의 치환기로 치환될 수 있고,
상기 R1~R16, Ar, Ar1~Ar4, R' 및 R"이 알킬기인 경우, 이는 할로겐, 실란기, 붕소기, 시아노기, C1~C20의 알콕실기, C1~C20의 알킬기, C2~C20의 알켄일기(alkenyl), C6~C20의 아릴기, 중수소로 치환된 C6~C20의 아릴기, C2~C20의 헤테로고리기, C7~C20의 아릴알킬기 및 C8~C20의 아릴알켄일기로 이루어진 군에서 선택된 하나 이상의 치환기로 치환될 수 있고,
상기 Ar, Ar1~Ar4가 알켄일기인 경우, 이는 중수소, 할로겐, 실란기, 시아노기, C1~C20의 알콕실기, C1~C20의 알킬기, C2~C20의 알켄일기(alkenyl), C6~C20의 아릴기, 중수소로 치환된 C6~C20의 아릴기, C2~C20의 헤테로고리기, C3~C20의 시클로알킬기, C7~C20의 아릴알킬기 및 C8~C20의 아릴알켄일기로 이루어진 군에서 선택된 하나 이상의 치환기로 치환될 수 있고,
상기 Ar, Ar1~Ar4가 알콕실기인 경우, 이는 중수소, 할로겐, 실란기, C1~C20의 알킬기, C6~C20의 아릴기, 중수소로 치환된 C6~C20의 아릴기, C2~C20의 헤테로고리기 및 C3~C20의 시클로알킬기로 이루어진 군에서 선택된 하나 이상의 치환기로 치환될 수 있다) - 제 1항에 있어서,
하기 화학식 중 하나로 표시되는 것을 특징으로 하는 화합물.
<화학식 2> <화학식 3>
<화학식 4> <화학식 5> <화학식 6>
[상기 화학식에서, R1~R16 및 X는 제1항에서 정의된 것과 같으며, Y, A1~A4는 서로 독립적으로, N 또는 C(R17)이고(이때, R17은 수소; 중수소; C6~C60의 아릴기; 또는 O, N, S, Si 및 P 중 적어도 하나의 헤테로원자를 포함하는 C3~C60의 헤테로고리기임), Ar11은 C6~C60의 아릴기; O, N, S, Si 및 P 중 적어도 하나의 헤테로원자를 포함하는 C3~C60의 헤테로고리기; C1~C50의 알킬기; C2~C20의 알켄일기; C1~C30의 알콕시기; 또는 플루오렌일기이다] - 제 1전극, 제 2전극, 및 상기 제 1전극과 제 2전극 사이에 위치하는 유기물층을 포함하는 유기전기소자에 있어서,
상기 유기물층은 제 1항 내지 제 3항 중 어느 한 항의 화합물을 함유하는 것을 특징으로 하는 유기전기소자. - 제 4항에 있어서,
상기 화합물을 용액공정(soluble process)에 의해 상기 유기물층으로 형성하는 것을 특징으로 하는 유기전기소자. - 제 4항에 있어서,
상기 유기물층의 발광층은 상기 화합물을 포함하는 것을 특징으로 하는 유기전기소자. - 제 4항의 유기전기소자를 포함하는 디스플레이장치; 및
상기 디스플레이장치를 구동하는 제어부를 포함하는 전자장치. - 제 7항에 있어서,
상기 유기전기소자는 유기전기발광소자(OLED ), 유기태양전지, 유기감광체(OPC), 유기트랜지스터(유기 TFT), 및 단색 또는 백색 조명용 소자 중 적어도 하나인 것을 특징으로 하는 전자장치.
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