申请人:Novaled GmbH
公开号:US20140332790A1
公开(公告)日:2014-11-13
Display comprising at least one organic light emitting diode, wherein the at least one organic light emitting diode comprises an anode, a cathode, a light emitting layer between the anode and the cathode, and at least one layer comprising a compound according to formula (I) between the cathode and the light emitting layer:
wherein A
1
and A
2
are independently selected from halogen, CN, substituted or unsubstituted C
1
-C
20
-alkyl or heteroalkyl, C
6
-C
20
-aryl or C
5
-C
20
-heteroaryl, C
1
-C
20
-alkoxy or C
6
-C
20
-aryloxy,
A
3
is selected from substituted or unsubstituted C
6
-C
40
-aryl or C
5
-C
40
-heteroaryl,
m=0, 1 or 2,
n=0, 1 or 2.