ORGANIC ELECTROLUMINESCENCE ELEMENT, NEW COMPOUND FOR THE SAME, DISPLAY DEVICE AND LIGHTING DEVICE USING THE SAME
申请人:KATAKURA Rie
公开号:US20110006670A1
公开(公告)日:2011-01-13
Disclosed is an organic electroluminescence element comprising an anode, a cathode and a plurality of organic compound layers between the anode and the cathode, provided that one of the organic compound layers is a light emitting layer containing a phosphorescence emitting compound,
wherein at least one of the organic compound layers contains a compound represented by Formula (1),
wherein, X represents O or S; Y
1
to Y
3
each represents a hydrogen atom, a substituent or a group represented by Formula (A) disclosed in the specification, provided that at least two of Y
1
to Y
3
are groups represented by Formula (A), not all of Y
1
to Y
3
are the same group, and at least one of the groups represented by Formula (A) has Ar of a carbazolyl group, or an azacarbazolyl group containing 2 to 5 nitrogen atoms.