Title:
LIGHT PROJECTOR
Document Type and Number:
Japanese Patent JP2018006133
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a light projector including a light-emitting element configured to emit laser beam.SOLUTION: A light projector includes: a light-emitting element configured to emit laser light; a fluorescent light element into which light emitted from the light-emitting element is made incident, and that is configured to convert at least part of the light into fluorescent light and output it; a first optical system into which light output from the fluorescent light element is made incident; and a second optical system into which light emitted from the first optical system is made incident, and that is configured to make the light into parallel light and emit it toward the outside of the projector, wherein a divergence angle of light made incident into the second optical system is larger than a divergence angle of light made incident into the first optical system.SELECTED DRAWING: Figure 3
Inventors:
MATSUOKA TOMOMI
Application Number:
JP2016130719A
Publication Date:
January 11, 2018
Filing Date:
June 30, 2016
Export Citation:
Assignee:
USHIO ELECTRIC INC
International Classes:
F21S2/00; F21V7/24; F21V7/26; F21V7/28; F21V7/30; F21V11/08; G02B19/00; H01S5/02
Domestic Patent References:
| JP2015210890A | 2015-11-24 | |||
| JP2010080364A | 2010-04-08 |
Foreign References:
| WO2015001693A1 | 2015-01-08 | |||
| EP3514447A1 | 2019-07-24 |
Attorney, Agent or Firm:
Patent Business Corporation Unias International Patent Office
Previous Patent: A condensing device and a lighting installation
Next Patent: A plug form earth leakage breaker of interception range good modification
Next Patent: A plug form earth leakage breaker of interception range good modification