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Title:
FLUORESCENT LIGHT SOURCE DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/167024
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a fluorescent light source device with which it is possible to prevent emission of laser light to the outside and to ensure a high degree of safety. This fluorescent light source device is equipped with: an excitation light source comprising a semiconductor laser; a fluorescent body for emitting fluorescent light when excited by laser light from the excitation light source; a concave reflecting mirror for reflecting fluorescent light emitted from the fluorescent body; and a window member for transmitting fluorescent light reflected by the concave reflecting mirror, wherein a safety filter having light-blocking ability of light of the laser light wavelength region is provided between the mirror member and the concave reflecting mirror. The safety filter is preferably constituted by a flexible film having elasticity.

Inventors:
KABUKI, Kiyoyuki (1194 Sazuchi, Bessho-cho, Himeji-sh, Hyogo 24, 〒6710224, JP)
Application Number:
JP2016/055207
Publication Date:
October 20, 2016
Filing Date:
February 23, 2016
Export Citation:
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Assignee:
USHIO DENKI KABUSHIKI KAISHA (2-6-1, Ote-machi Chiyoda-k, Tokyo 50, 〒1008150, JP)
International Classes:
F21S2/00; F21V7/06; F21V7/08; F21V7/22; F21V9/06; F21V9/16; F21V13/08; F21V25/00; G03B21/14; G03B21/16; H01S5/02; F21Y115/30
Domestic Patent References:
WO2014133114A12014-09-04
Foreign References:
JP2013079311A2013-05-02
JP2005150041A2005-06-09
JP2015008155A2015-01-15
JP2013203862A2013-10-07
JP2013157241A2013-08-15
Attorney, Agent or Firm:
OHI, Masahiko (Nankodo 2nd Building, 43-13 Hongo 3-chome, Bunkyo-k, Tokyo 33, 〒1130033, JP)
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