申请人:Tosoh Corporation
公开号:EP2772483A1
公开(公告)日:2014-09-03
A 4-aminocarbazole compound represented by formula (1):
wherein Ar1-Ar4 represent substituted or unsubstituted aryl, thienyl, pyridyl, benzothienyl, dibenzothienyl, dibenzofuranyl, 4-carbazolyl, dibenzothienylphenyl, dibenzofuranylphenyl or 9-carbazolylphenyl group; R1-R7 represent substituted or unsubstituted aryl, heteroaryl or heteroarylphenyl group, or alkyl, alkoxy, cyano group, or hydrogen or halogen atom; n is integer of 0-2; and X represents substituted or unsubstituted (n+1)-valent aromatic hydrocarbon, heteroaromatic or heteroarylphenyl group. The 4-aminocarbazole compound provides an organic EL device exhibiting enhanced emitting efficiency and durability.
由式(1)代表的 4-氨基咔唑化合物:
其中 Ar1-Ar4 代表取代或未取代的芳基、噻吩基、吡啶基、苯并噻吩基、二苯并噻吩基、二苯并呋喃基、4-咔唑基、二苯并噻吩基苯基、二苯并呋喃基苯基或 9-咔唑基苯基;R1-R7 代表取代或未取代的芳基、杂芳基或杂芳基苯基,或烷基、烷氧基、氰基、氢原子或卤素原子;n 为 0-2 的整数;以及 X 代表取代或未取代的(n+1)价芳香烃基、杂芳基或杂芳基苯基。4- 氨基咔唑化合物提供了一种有机电致发光器件,具有更高的发光效率和耐用性。