Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2004-10-07
2008-05-20
Yamnitzky, Marie (Department: 1794)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C313S504000, C313S506000, C257S040000, C257SE51044, C257SE51051
Reexamination Certificate
active
07374829
ABSTRACT:
A organic electroluminescent element is disclosed which comprises a light emission layer containing a fluorescent compound and a phosphorescent compound, the fluorescent compound having a nitrogen atom number to carbon atom number ratio in the molecule (N/C) of from 0 to 0.05, wherein the maximum emission wavelength of light emitted according to electroluminescence of the element is longer than the maximum fluorescence wavelength of the Fluorescent compound.
REFERENCES:
patent: 6635364 (2003-10-01), Igarashi
patent: 6855438 (2005-02-01), Oshiyama et al.
patent: 2002/0028329 (2002-03-01), Ise et al.
patent: 2002/0041979 (2002-04-01), Taguchi
patent: 2002/0045061 (2002-04-01), Hosokawa
patent: 2002/0074935 (2002-06-01), Kwong et al.
patent: 2002/0106531 (2002-08-01), Naito
patent: 2004/0023060 (2004-02-01), Kim et al.
patent: 0 952 200 (1999-10-01), None
patent: 1 013 740 (2000-06-01), None
patent: 2001 192651 (2001-07-01), None
patent: WO 00/57676 (2000-09-01), None
European Search Report for 02254090.0-1235, mailed Mar. 28, 2007, 3 pgs.
Kinoshita Motoi
Kita Hiroshi
Oshiyama Tomohiro
Yamada Taketoshi
Konica Corporation
Squire Sanders & Dempsey L.L.P.
Yamnitzky Marie
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