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Patent Searching and Data


Title:
RED PHOSPHOR AND PRODUCTION METHOD THEREFOR, AND WHITE LIGHT SOURCE, ILLUMINATION DEVICE, AND DISPLAY DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2018/021201
Kind Code:
A1
Abstract:
Provided are a red phosphor having an increased reflectance in the green range and a method for producing the red phosphor, and a white light source, illumination device, and display device which use the red phosphor. The red phosphor according to the present invention is characterized by having a composition including an alkaline-earth metal element (A), europium (Eu), silicon (Si), aluminum (Al), oxygen (O), and nitrogen (N) at an atomic ratio shown in formula (1), and further carbon (C), (in formula (1), m, n, x, and y satisfy 3

Inventors:
ABE Moriaki (Gate City Osaki East Tower 8F, 1-11-2, Osak, Shinagawa-ku Tokyo 32, 〒1410032, JP)
KANNO Masaki (Gate City Osaki East Tower 8F, 1-11-2, Osak, Shinagawa-ku Tokyo 32, 〒1410032, JP)
Application Number:
JP2017/026583
Publication Date:
February 01, 2018
Filing Date:
July 21, 2017
Export Citation:
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Assignee:
DEXERIALS CORPORATION (Gate City Osaki, East Tower 8F 1-11-2, Osak, Shinagawa-ku Tokyo 32, 〒1410032, JP)
International Classes:
C09K11/64; C09K11/08; F21S2/00; G02F1/13357; H01L33/50; H01L33/52; F21Y115/10
Foreign References:
CN101029230A2007-09-05
JP2006169526A2006-06-29
CN101117576A2008-02-06
JP2010511077A2010-04-08
JP2013144794A2013-07-25
JP2005048105A2005-02-24
JP2006213910A2006-08-17
JP2011001530A2011-01-06
Other References:
CHEN WEI-TING ET AL.: "Cation-Size-Mismatch Tuning of Photoluminescence in Oxynitride Phosphors", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol. 134, 2012, pages 8022 - 8025, XP055459349, ISSN: 0002-7863
Attorney, Agent or Firm:
SUGIMURA Kenji (36F Kasumigaseki Common Gate West, 3-2-1 Kasumigasek, Chiyoda-ku Tokyo 13, 〒1000013, JP)
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