申请人:Begley J. William
公开号:US20070003784A1
公开(公告)日:2007-01-04
An OLED device comprises a light-emitting layer containing a hydrocarbon host material and a light-emitting material of Formula (1):
wherein: each Ar represents an independently selected aromatic group;
each R
1
represents an independently selected alkyl group or aromatic group; n is 1 or 2;
Z
a
represents the atoms necessary to form an aromatic ring group; R represents hydrogen or a substituent group; Z represents hydrogen or a substituent group; and
L
1
and L
2
represent independently selected substituent groups; provided that any two adjacent substituents of any of the above groups may join to form a ring.