Title:
ILLUMINATION SYSTEM
Document Type and Number:
Japanese Patent JP2016110823
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an illumination system capable of securing visibility of an object illuminated by illumination light.SOLUTION: An illumination system 1 includes: a coherent light source 6 emitting coherent light; an optical element 5 diffusing coherent light and radiating illumination light La; an optical scanning member 7 scanning the coherent light on the optical element 5; and a wavelength selection filter 21 transmitting illumination light La from the optical element 5. In the wavelength selection filter 21, a transmissivity of coherent light emitted from the coherent light source 6 is made higher than that in a wavelength region other than it.SELECTED DRAWING: Figure 1
Inventors:
NISHIO SHUMPEI
KURASHIGE MAKIO
KURASHIGE MAKIO
Application Number:
JP2014246920A
Publication Date:
June 20, 2016
Filing Date:
December 05, 2014
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
F21V7/22; F21S2/00; F21S8/12; F21V5/04; F21V9/00; F21V14/04; G02B3/00; G02B5/28; G02B26/10
Domestic Patent References:
| JPS61291215A | 1986-12-22 | |||
| JP2009048786A | 2009-03-05 | |||
| JPS4711761A | ||||
| JP2003045210A | 2003-02-14 | |||
| JP2012146621A | 2012-08-02 | |||
| JP2012123381A | 2012-06-28 | |||
| JP2010003667A | 2010-01-07 | |||
| JP2013026094A | 2013-02-04 | |||
| JP2012226272A | 2012-11-15 |
Foreign References:
| WO2009122716A1 | 2009-10-08 |
Attorney, Agent or Firm:
Hirohito Katsunuma
Hiroyuki Nagai
Yukihiro Hotta
Kuno Yoshifumi
Hiroyuki Nagai
Yukihiro Hotta
Kuno Yoshifumi
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