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Title:
PHOSPHOR MEMBER AND LIGHT SOURCE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/107100
Kind Code:
A1
Abstract:
The present invention enables a phosphor member to output fluorescent light more efficiently. A phosphor member (200) which is provided with a substrate (210) and a phosphor layer (220) that is arranged on the substrate. This phosphor member (200) is characterized in that: the phosphor layer contains a phosphor film (222); the phosphor film is configured so as to contain phosphor particles and a binder that is composed of an inorganic substance; the refractive index difference between the binder and the phosphor particles is 0.2 or more; and the binder has an average particle diameter of 50 μm or less.

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Inventors:
NOMURA RYO (JP)
JIN GOSHI (JP)
Application Number:
PCT/JP2018/041397
Publication Date:
June 06, 2019
Filing Date:
November 07, 2018
Export Citation:
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Assignee:
MAXELL LTD (JP)
International Classes:
G02B5/20; C09K11/00; C09K11/02; C09K11/08; F21S2/00; G03B21/14; H01S5/0239; F21Y115/30
Domestic Patent References:
WO2016121855A12016-08-04
Foreign References:
JP2012108435A2012-06-07
JP2017137451A2017-08-10
JP2013229438A2013-11-07
JP2017179018A2017-10-05
Attorney, Agent or Firm:
THE PATENT BODY CORPORATE TAKEWA INTERNATIONAL PATENT OFFICE (JP)
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