Organic electroluminescent display device

Details Organic electroluminescent display device Organic electroluminescent display device

2005-05-17

2005-05-17

Garrett, Dawn L. (Department: 1774)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S332000, C428S917000, C313S504000, C313S506000

Reexamination Certificate

active

06893744

ABSTRACT:
Disclosed is an organic electroluminescent display device. The present invention includes a transparent substrate, an anode formed on the transparent substrate, an organic layer stacked on the anode, a cathode formed on the organic layer, and a buffer layer formed between the cathode and organic layer, the buffer layer including a first material selected from the group consisting of an alkaline metal and an alkaline earth metal compound and a second material selected from the group consisting of an organic compound and an organic metal compound.

REFERENCES:
patent: 5989737 (1999-11-01), Xie et al.
patent: 6172459 (2001-01-01), Hung et al.
patent: 6541128 (2003-04-01), Wehrmann et al.
patent: 11-297474 (1999-10-01), None

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