Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2007-05-15
2007-05-15
Dye, Rena (Department: 1774)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C313S504000, C313S506000, C257S088000, C546S094000, C546S098000, C549S415000, C549S426000
Reexamination Certificate
active
10968778
ABSTRACT:
A light-emitting compound that can be easily applied to vacuum vapor deposition and exhibit long wavelength light is disclosed. Further, a light-emitting element without inferior luminescence properties due to the carbonization of a light-emitting compound during vapor deposition; and a light-emitting device that is composed of the light-emitting elements are also disclosed. A pyran derivative is represented by the following general formula 1:wherein R1is a hydrogen element or an alkoxy group.
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patent: 2005/0048315 (2005-03-01), Yamagata et al.
patent: 2001-019946 (2001-01-01), None
Abe Hiroko
Nomura Ryoji
Ohsawa Nobuharu
Seo Satoshi
Yamagata Sachiko
Cook Alex McFarron Manzo Cummings & Mehler, Ltd.
Dye Rena
Semicondutor Energy Laboratory Co., Ltd.
Thompson Camie S.
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