Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yuji Takahashi0
Koichi Kaga0
Koichi Ota0
Tadashi Endo0
Akihito Ota0
Date of Patent
April 20, 2010
0Patent Application Number
113978860
Date Filed
April 5, 2006
0Patent Primary Examiner
Patent abstract
A light-emitting device with an emission wavelength range of from 360 nm to 550 nm and a fluorescent material made of Ca—Al—Si—O—N oxynitride activated with Eu2+ are used so that a part of light emitted from the light-emitting device is emitted while the wavelength of the part of light is converted by the fluorescent material.
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