US Patent RE41234 Light-emitting unit having specific fluorescent material
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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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Patent Inventor Names
Akihito Ota0
Koichi Kaga0
Koichi Ota0
Tadashi Endo0
Yuji Takahashi0
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US Patent RE041234 Light-emitting unit having specific fluorescent material US Patent RE41234 Light-emitting unit having specific fluorescent material
Infobox
Patent Number
RE0412340
Patent Number
RE412340
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Official Website
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Infobox
Is a
Patent Jurisdiction
Patent Number
RE0412340
Date of Patent
April 20, 2010
0Patent Application Number
113978860
Date Filed
April 5, 2006
0Official Website
Patent Primary Examiner
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US Patent RE041234 Light-emitting unit having specific fluorescent material
Infobox
Is a
Patent jurisdiction
Patent number
RE041234
Date of patent
April 20, 2010
Patent application number
11397886
Date Filed
April 5, 2006
Patent primary examiner
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