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US 2004/0104670 A1Published application
Long-life type organic electroluminescent device
AssigneeWindell Corporation
InventorsGwo-Sen Lin, Wen-Chun Wang
Life of this patent
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Abstract
The present invention relates to an organic electroluminescent device including an emitting layer comprising AxByCz inserted between the anode and the cathode. The emitting layer with different materials is a continuously mixed single layer organic electroluminescent device without heterojunctions. Moreover, a transporting auxiliary layer comprising of LiF alone or a mixture comprising the hole transporting material, the electron transporting material AxBy and a% wt of LiF inserted between the emitting layer and cathode electrode.
Claims13
An organic electroluminescent device comprising:
- anode electrode and cathode electrode;
- an emitting layer positioned between said anode electrode and said cathode electrode;
- and
- a transporting auxiliary layer positioned between said emitting layer and said cathode electrode.
1 more element
Dependencies are inferred from the claim text.