申请人:CAMBRIDGE DISPLAY TECHNOLOGY LIMITED
公开号:US20140077194A1
公开(公告)日:2014-03-20
The present invention relates to a compound of general formula (I) which can transport holes in an organic optoelectronic device, and to blends and solutions comprising the compound of general formula (I):
wherein
X is C, Si or Ge;
A is a group of formula (II)
wherein
Z is N, P, NH, O or S;
E is C
1-10
alkyl or H;
W is substituted or unsubstituted C
5-14
aryl or substituted or unsubstituted C
6-16
alkyl;
e is an integer from 1 to 4; and
z is 1 or 2;
B, C and D are each independently A, H, C
1
-C
12
alkyl, C
5-14
aryl or OH; and
a, b, c and d are each independently an integer from 1 to 5.