ORGANIC ELECTROLUMINESCENCE MATERIAL COMPRISING AZACARBAZOLE DERIVATIVE AND ORGANIC ELECTROLUMUNESCENCE DEVICE HAVING THE SAME
申请人:SAMSUNG DISPLAY CO., LTD.
公开号:US20140142301A1
公开(公告)日:2014-05-22
The organic EL material is represented by Formula (
1
):
where X
1
to X
4
are each independently a nitrogen (N) atom or a carbon atom that is monovalently bonded to R
1
(C—R
1
), R
1
is a hydrogen atom, a halogen atom, an aryl group having 6 to 18 carbon atoms, a hetero aryl group having 6 to 18 carbon atoms, or an alkyl group having 1-12 carbon atoms, R
2
to R
10
are each independently hydrogen, an aryl group having 6 to 30 carbon atoms, or hetero aryl group having 6 to 30 carbon atoms, and at least one of X
1
to X
4
is a nitrogen atom.