Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2008-02-21
2011-12-06
Yamnitzky, Marie R. (Department: 1786)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C313S504000, C257SE51044, C546S010000
Reexamination Certificate
active
08071226
ABSTRACT:
Provided are red phosphorescent compounds represented by Formula 1:Organic electroluminescent devices using the red phosphorescent compounds are further provided. The organic electroluminescent devices exhibit good red color purity, high quantum efficiency, high power efficiency, high luminance, and long lifetime.
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patent: 2001/0019782 (2001-09-01), Igarashi et al.
patent: 2003/0072964 (2003-04-01), Kwong et al.
patent: 2007/0278936 (2007-12-01), Herron et al.
patent: 10-2005-0081032 (2005-08-01), None
Hwang Sug-Kwang
Je Jong-Tae
Kim Nam-Yi
Kwon Hyun-Jung
Yoo Seon-Keun
Alston & Bird LLP
SFC Co. Ltd
Yamnitzky Marie R.
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