MATERIAL FOR AN ORGANIC ELECTROLUMINESCENCE DEVICE AND AN ORGANIC ELECTROLUMINESCENCE DEVICE
申请人:Morishita Hironobu
公开号:US20100044686A1
公开(公告)日:2010-02-25
A material for an organic electroluminescence device represented by the following formula (I):
wherein X
1
is one of divalent groups represented by the following (a) to (e); Y
1
to Y
4
are independently a carbon atom or a nitrogen atom; and R
1
to R
4
are independently a hydrogen atom, an alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocycle, a halogen atom, a fluoroalkyl group or a cyano group, or R
1
and R
2
, and R
3
and R
4
are independently bonded to form a substituted or unsubstituted aromatic ring or a substituted or unsubstituted heterocycle.