Nitride phosphor and method for producing the same

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United States of America Patent

PATENT NO 9920244
SERIAL NO

14821068

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Abstract

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The present invention related to a nitride phosphor represented by the following general formula (1), the nitride phosphor having an x value of less than 0.43 in luminescent color coordinates (x, y) upon being excited with excitation light of 455 nm, and a reflectance Ra of 89% or more at 770 nm;

description='In-line Formulae' end='lead'LnxSiyNn:Z  (1),description='In-line Formulae' end='tail'

wherein Ln is a rare-earth element excluding the element used as an activator, Z is an activator, x satisfies 2.7≦x≦3.3, y satisfies 5.4≦y≦6.6, and n satisfies 10≦n≦12.

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Patent Owner(s)

  • MITSUBISHI CHEMICAL CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ohto, Akihiro Kanagawa, JP 4 12
Shimooka, Satoshi Kanagawa, JP 5 105
Takashina, Shiho Kanagawa, JP 3 9

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