US Patent 10468563 Light-emitting device and image display apparatus
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Patent abstract
A light-emitting device includes a light-emitting element that emits blue light, a Mn2+-activated γ-AlON phosphor and a Eu2+-activated β-SiAlON phosphor that are excited by the blue light to emit green light, and a red phosphor that is excited by the blue light to emit red light. The weight ratio of the Mn2+-activated γ-AlON phosphor to the Eu2+-activated β-SiAlON phosphor is from 20 to 75.
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Patent Inventor Names
Hiroshi Fukunaga0
Kenichi Yoshimura0
Makoto Izumi0
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Patent Citations Received
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Patent Jurisdiction
Patent Number
104685630
Date of Patent
November 5, 2019
0Patent Application Number
160249350
Date Filed
July 2, 2018
0Patent Citations Received
Patent Primary Examiner
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Patent Citations Received
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US Patent 10468563 Light-emitting device and image display apparatus
Infobox
Is a
Patent jurisdiction
Patent number
10468563
Date of patent
November 5, 2019
Patent application number
16024935
Date Filed
July 2, 2018
Patent primary examiner
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