Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 28, 2009
Patent Application Number
11402580
Date Filed
April 10, 2006
Patent Primary Examiner
Patent abstract
A fluorescence emitting device is provided using a phosphor emitting a light by bombardment of an electron beam and having excellent luminance lifetime. The electron beam excited phosphor comprises a solid solution prepared by an AlN crystal or AlN solid solution crystal formed with at least Eu, Si and oxygen represented by the composition formula Eua Alb Sic Nd Oe [Wherein a+b+c+d+e=1, and a, b, c, d and e satisfy the following conditions:
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