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Title:
PHOSPHOR MATERIAL AND LIGHT-EMITTING DEVICE
Document Type and Number:
Japanese Patent JP2015129259
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a phosphor material having high conversion efficiency, in which temperature dependence of luminance is high at high temperature.SOLUTION: A phosphor material according to an embodiment has a main component represented by ABLnEuSmMDO, where A is at least one element selected from the group consisting of alkaline-earth metal elements; B is at least one element selected from the group consisting of alkali metal elements; Ln is at least one element selected from the group consisting of rare-earth elements other than Eu and Sm; M is at least one element selected from the group consisting of W and Mo; D is at least one element selected from the group consisting of Nb and Ta; and v, w, x, y, and z satisfy 0≤v≤0.5, 0.15≤x+y≤0.7, 0≤y≤0.05, 0

Inventors:
INOUE OSAMU
OKUYAMA KOJIRO
NITTA MITSURU
SHIRAISHI SEIGO
Application Number:
JP2014234160A
Publication Date:
July 16, 2015
Filing Date:
November 19, 2014
Export Citation:
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Assignee:
PANASONIC IP MAN CORP
International Classes:
C09K11/68; C09K11/00; H01L33/50; H01S5/022
Domestic Patent References:
JPS4119052B
JP2005008843A2005-01-13
JP2005054159A2005-03-03
Attorney, Agent or Firm:
藤井 兼太郎
鎌田 健司
前田 浩夫



 
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