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Title:
COATED PHOSPHOR, METHOD FOR PRODUCING SAME, PHOSPHOR SHEET, AND LIGHT-EMITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/107080
Kind Code:
A1
Abstract:
A coated phosphor having inorganic phosphor particles and a silicon oxide film covering the inorganic phosphor particles, wherein the molar ratio (O/Si) of oxygen atoms and silicon atoms in the silicon oxide film is 2.60 or less in ICP-spectroscopic analysis of the coated phosphor.

Inventors:
YAMASUGE, Takehiro (Gate City Osaki East Tower 8th Floor, 11-2, Osaki 1-chome, Shinagawa-k, Tokyo 32, 〒1410032, JP)
ABE, Moriaki (Gate City Osaki East Tower 8th Floor, 11-2, Osaki 1-chome, Shinagawa-k, Tokyo 32, 〒1410032, JP)
YAGIHASHI, Kazuhiro (Gate City Osaki East Tower 8th Floor, 11-2, Osaki 1-chome, Shinagawa-k, Tokyo 32, 〒1410032, JP)
KUSUNOKI, Tsuneo (Gate City Osaki East Tower 8th Floor, 11-2, Osaki 1-chome, Shinagawa-k, Tokyo 32, 〒1410032, JP)
Application Number:
JP2018/041031
Publication Date:
June 06, 2019
Filing Date:
November 05, 2018
Export Citation:
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Assignee:
DEXERIALS CORPORATION (Gate City Osaki, East Tower 8th Floor 11-2, Osaki 1-chome, Shinagawa-k, Tokyo 32, 〒1410032, JP)
International Classes:
C09K11/08; C09K11/62; H01L33/50
Domestic Patent References:
WO2010103773A12010-09-16
Foreign References:
JP2015151456A2015-08-24
JP2006265506A2006-10-05
JP2011037913A2011-02-24
JP2009286995A2009-12-10
JP2009256558A2009-11-05
JPH1060428A1998-03-03
JP2013119581A2013-06-17
JP2017142381A2017-08-17
JP2017168581A2017-09-21
Attorney, Agent or Firm:
HIROTA, Koichi et al. (HIROTA, NAGARE & ASSOCIATES 4th Floor, TS Bldg., 1-24-10, Yoyogi, Shibuya-k, Tokyo 53, 〒1510053, JP)
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