申请人:TOSOH CORPORATION
公开号:US20140296519A1
公开(公告)日:2014-10-02
A 4-aminocarbazole compound represented by formula (1):
wherein Ar
1
-Ar
4
represent substituted or unsubstituted aryl, thienyl, pyridyl, benzothienyl, dibenzothienyl, dibenzofuranyl, 4-carbazolyl, dibenzothienylphenyl, dibenzofuranylphenyl or 9-carbazolylphenyl group; R
1
-R
7
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.
一种由式(1)表示的4-氨基咔唑化合物:
其中,Ar1-Ar4表示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表示取代或未取代的芳基,杂环芳基或杂环芳基苯基,或烷基,烷氧基,氰基,氢原子或卤素原子;
n为0-2的整数;
X表示取代或未取代的(n+1)价芳香烃,杂芳烃或杂芳基苯基。
该4-氨基咔唑化合物提供了一种具有增强发光效率和耐久性的有机EL器件。