Title:
Fluorescent light source device
Document Type and Number:
Japanese Patent JP6354725
Kind Code:
B2
Abstract:
An illumination device includes a plurality of excitation light sources; a fluorescent plate for receiving the excitation light and emitting fluorescent light; and an optical system for causing excitation light from each of the plurality of excitation light sources to be incident on the fluorescent plate, the optical system includes a plurality of reflection surfaces for redirecting the output from the respective excitation light sources into a divergent light pattern.
Inventors:
Masaki Inoue
Osawa Osamu
Osawa Osamu
Application Number:
JP2015198280A
Publication Date:
July 11, 2018
Filing Date:
October 06, 2015
Export Citation:
Assignee:
Ushio, Inc.
International Classes:
F21V5/04; F21S2/00; F21V7/09; F21V7/28; F21V7/30; F21V9/45; F21V13/00; G02B19/00; G03B21/00; G03B21/14; H01S5/022
Domestic Patent References:
| JP2012118302A | ||||
| JP2014041331A | ||||
| JP2011107371A | ||||
| JP2012027052A |
Foreign References:
| WO2012066654A1 | ||||
| WO2015122075A1 |
Attorney, Agent or Firm:
Nobuo Fujimoto
Masahiko Oi
Shigenobu Oshiro
Masuo Yamada
Shigenobu Keisuke
Masahiko Oi
Shigenobu Oshiro
Masuo Yamada
Shigenobu Keisuke