AROMATIC HETEROCYCLIC DERIVATIVE, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE ELEMENT, AND ORGANIC ELECTROLUMINESCENCE ELEMENT
申请人:Idemitsu Kosan Co., Ltd.
公开号:US20140073784A1
公开(公告)日:2014-03-13
An organic EL device includes an anode, an emitting layer, an electron transporting zone and a cathode in this sequence, in which the electron transporting zone contains an aromatic heterocyclic derivative represented by a formula (1) below. In the formula (1), X
1
to X
3
are a nitrogen atom or CR
1
, and A is represented by a formula (2) below. In the formula (2), L
1
is s single bond or a linking group, and HAr is represented by a formula (3) below. In the formula (3), Y
1
is an oxygen atom, a sulfur atom or the like, and one of X
11
to X
18
is a carbon atom bonded to L
1
by a single bond and the rest of X
11
to X
18
are a nitrogen atom or CR
13
.