Title:
HEADLAMP DEVICE AND LIGHTING SYSTEM
Document Type and Number:
Japanese Patent JP2017120798
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a lighting system.SOLUTION: A lighting system includes a light source 2 for emitting light, a converging optical element for converting light emitted from the light source 2 into convergent light to be emitted, a phosphor element 53a emitting fluorescence light with the incidence of the convergent light as excitation light, and a projection lens 6 projecting the fluorescence light. A light converging position of the convergent light is positioned between the converging optical element and the projection lens 6. The lighting system further includes a wavelength selection element 7 which is disposed between the converging optical element and the phosphor element 53a, selects a wavelength of the light passing therethrough, and reflects light of the wavelengths other than the selected wavelength. The wavelength selection element 7 includes a plurality of first regions transmitting light of the different wavelengths. A position of the convergent light reaching the phosphor element 53a is moved by movement of the light converging position.SELECTED DRAWING: Figure 4
Inventors:
YAMADA AKIHIRO
NISHIMURA MASATOSHI
KONDO JUN
NISHIMURA MASATOSHI
KONDO JUN
Application Number:
JP2017077230A
Publication Date:
July 06, 2017
Filing Date:
April 10, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
F21V14/00; F21S2/00; F21S8/00; F21S8/10; F21V7/22; F21V9/40; F21V13/00; F21V14/06
Domestic Patent References:
JP2010085740A | 2010-04-15 | |||
JP2015092280A | 2015-05-14 | |||
JP2012037724A | 2012-02-23 | |||
JP2012074354A | 2012-04-12 | |||
JP2011142000A | 2011-07-21 | |||
JP2009199854A | 2009-09-03 | |||
JP2007052957A | 2007-03-01 | |||
JP2014525653A | 2014-09-29 | |||
JP2010509731A | 2010-03-25 |
Foreign References:
WO2009131126A1 | 2009-10-29 | |||
WO2015019537A1 | 2015-02-12 |
Attorney, Agent or Firm:
Minoru Maeda
Youichi Yamagata
Masahiko Shinohara
Youichi Yamagata
Masahiko Shinohara