Organic electroluminescence element
AssigneesPioneer Corporation, Nippon Steel Chemical Co., Ltd.
InventorsTaishi Tsuji, Hiroshi Miyazaki
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Abstract
An organic electroluminescence device of a long emission life is obtained by stacking an anode, a hole transport layer comprising an organic compound, a light emitting layer comprising an organic compound, an electron transport layer comprising an organic compound, and a cathode, in which the light emitting layer comprises an organic host material of an aluminum chelating complex of a specific structure and a phosphorescent organic guest material.
Claims14
An organic electroluminescence device comprising:
- an anode;
- a hole transport layer comprising an organic compound;
- a light emitting layer having an organic compound;
- an electron transport layer having an organic compound;
- and a cathode which are stacked, characterized in that the light emitting layer includes an organic host material represented by the following structural formula (1):
- and a phosphorescent organic guest material.
A material for an organic electric field light emitting device material which is a compound represented by the following structural material (1):
Dependencies are inferred from the claim text.