申请人:LG CHEM, LTD.
公开号:US20230086039A1
公开(公告)日:2023-03-23
Provided is an organic light emitting device comprising a light emitting layer comprising a compound of Chemical Formula 1 and a compound of Chemical Formula 2:
wherein:
Ar
1
, Ar
2
, Ar
4
and Ar
5
are each independently a substituted or unsubstituted C
6-60
aryl or C
2-60
heteroaryl containing N, O or S;
Ar
3
is hydrogen, or a substituted or unsubstituted C
6-60
aryl or C
2-60
heteroaryl containing N, O or S;
L
1
to L
3
are each independently a single bond or a substituted or unsubstituted C
6-60
arylene;
L
4
to L
6
are each independently a single bond or a substituted or unsubstituted C
6-60
arylene or C
2-60
heteroarylene containing N, O or S;
L
7
is a substituted or unsubstituted C
6-60
arylene;
R
1
is hydrogen, deuterium, or a substituted or unsubstituted C
6-60
aryl or C
2-60
heteroaryl containing one or of N, O and S;
a is 0 to 7.