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Title:
LIGHT SOURCE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/193760
Kind Code:
A1
Abstract:
A light source device (2) comprises: an excitation light source (11) that emits excitation light (8); a phosphor (3) that has formed therein an excitation region (9) where the phosphor (3) is excited by the excitation light (8) emitted from the excitation light source (11) and white light (10) is diffused therefrom; and a specular reflection member (4) that is formed along the peripheral edge of the excitation region (9) and that reflects the excitation light (8) in a specular manner.

Inventors:
WELNA, Karl Peter
TAKAHASHI, Koji
Application Number:
JP2018/014791
Publication Date:
October 10, 2019
Filing Date:
April 06, 2018
Export Citation:
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Assignee:
SHARP KABUSHIKI KAISHA (1 Takumi-cho, Sakai-ku Sakai Cit, Osaka 22, 〒5908522, JP)
International Classes:
F21V9/30; F21S41/16; F21Y115/30
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (Daiwa Minamimorimachi Building, 2-6 Tenjinbashi 2-chome Kita, Kita-ku, Osaka-sh, Osaka 41, 〒5300041, JP)
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