申请人:KYUSHU UNIVERSITY NATIONAL UNIVERSITY CORPORATION
公开号:US20150357582A1
公开(公告)日:2015-12-10
An organic light emitting device containing a compound represented by the following general formula in a light emitting layer have a high light emission efficiency. In the general formula (1), R
1
and R
2
represent carbazolyl, aryl, heteroaryl, alkyl or cycloalkyl; R
5
and R
6
represent alkyl; R
7
, R
8
and R
9
represent aryl, alkyl or carbazolyl; R
10
represents carbazolyl which may be substituted with carbazolyl, aryl, heteroaryl, alkyl or cycloalkyl; n1, n2, n6 and n7 represent an integer of from 0 to 4; n5 represents an integer of from 0 to 3; n8 and n9 represent an integer of from 0 to 5; and n10 represents 0 or 1.
具有以下一般式所表示的化合物的有机发光器件在发光层中具有高发光效率。在一般式(1)中,R1和R2代表咔唑基,芳基,杂环芳基,烷基或环烷基;R5和R6代表烷基;R7、R8和R9代表芳基,烷基或咔唑基;R10代表可以用咔唑基,芳基,杂环芳基,烷基或环烷基取代的咔唑基;n1、n2、n6和n7表示0至4的整数;n5表示0至3的整数;n8和n9表示0至5的整数;n10表示0或1。