Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2005-03-01
2005-03-01
Yamnitzky, Marie (Department: 1774)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C313S504000, C313S506000
Reexamination Certificate
active
06861162
ABSTRACT:
An organic electroluminescence device which includes an anode, a cathode, a hole transport layer, an electron transport layer, and at least one organic luminescent medium doped with a pyrazolo[3,4b]quinoxaline derivative is disclosed. The present device provides improved efficiency, and the emission band associated therewith is surprisingly narrow. The improved green emitting organic electroluminescence device exhibits high color purity.
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Lee Chun-Sing
Lee Shuit-Tong
Wang Peng-Fei
Xie Zhi-Yuan
CityU Research Ltd.
Heslin Rothenberg Farley & & Mesiti P.C.
Yamnitzky Marie
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