申请人:Radu Nora Sabina
公开号:US20130248847A1
公开(公告)日:2013-09-26
There is disclosed a compound having Formula I
In Formula I:
Ar
1
through Ar
4
are the same or different and are aryl groups;
L is a spiro group, an adamantyl group, bicyclic cyclohexyl, deuterated analogs thereof, or substituted derivatives thereof;
R
1
is the same or different at each occurrence and is D, F, alkyl, aryl, alkoxy, silyl, or a crosslinkable group, where adjacent R
1
groups can be joined together to form an aromatic ring;
R
2
is the same or different at each occurrence and is H, D, or halogen;
a is the same or different at each occurrence and is an integer from 0-4; and
n is an integer greater than 0.