Title:
LIGHT SOURCE DEVICE AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/154371
Kind Code:
A1
Abstract:
This light source device comprises: a wavelength conversion element that absorbs a portion of first color light incident thereon and emits a second color light having a wavelength range different from the first color light, while emitting the unabsorbed portion of the first color light; a first optical system that focuses the first color light while emitting the same toward the wavelength conversion element, the focal position of the first color light being set by shifting from the position on the wavelength conversion element; and a second optical system arranged on the light emission side of the wavelength conversion element and including an optical member that focuses the light onto different positions according to the wavelength.
Inventors:
TAJIRI SHINICHIRO (JP)
ISHIGE MASAHIRO (JP)
ISHIGE MASAHIRO (JP)
Application Number:
PCT/JP2017/001747
Publication Date:
September 14, 2017
Filing Date:
January 19, 2017
Export Citation:
Assignee:
SONY CORP (JP)
International Classes:
G03B21/14; F21S2/00; F21V9/16; F21V9/40; G03B21/00
Domestic Patent References:
| WO2012066654A1 | 2012-05-24 | |||
| WO2014068742A1 | 2014-05-08 |
Foreign References:
| JP2015133231A | 2015-07-23 | |||
| US20150077714A1 | 2015-03-19 | |||
| JP2016114787A | 2016-06-23 |
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
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