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Patent Searching and Data


Title:
PHOSPHOR FILM AND LIGHT SOURCE APPARATUS
Document Type and Number:
WIPO Patent Application WO/2018/179654
Kind Code:
A1
Abstract:
Provided are: a phosphor film in which the heat dissipation performance and the light utilization efficiency of the phosphor film are taken into consideration; and a light source apparatus employing the same. The phosphor film is constituted of a sintered body phase of phosphor and alumina and an air phase; the air phase content is 5 to 20% by volume in terms of the proportion of the volume of the entire film of the phosphor film; the sintered body phase content is 80 to 95% by volume in terms of the proportion of the volume of the entire film of the phosphor film; and, in the sintered body phase, the phosphor content is 40 to 85% by volume in terms of the proportion of the volume of the entire film of the phosphor film, and the alumina content is 10 to 45% by volume in terms of the proportion of the volume of the entire film of the phosphor film.

Inventors:
NOMURA RYO (JP)
KUNII YASUHIKO (JP)
Application Number:
PCT/JP2017/047036
Publication Date:
October 04, 2018
Filing Date:
December 27, 2017
Export Citation:
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Assignee:
MAXELL LTD (JP)
International Classes:
G02B5/20; C04B35/44; C09K11/00; F21V7/24; F21V7/26; F21V7/28; F21V7/30; H01S5/022; F21Y115/30
Foreign References:
JP2016204563A2016-12-08
JP2015149394A2015-08-20
JP2013247067A2013-12-09
US20150069299A12015-03-12
Attorney, Agent or Firm:
THE PATENT BODY CORPORATE TAKEWA INTERNATIONAL PATENT OFFICE (JP)
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