Title:
LIGHT SOURCE DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/044774
Kind Code:
A1
Abstract:
This light source device is provided with: a reflection member having a plurality of reflection surfaces that include a first reflection surface and a second reflection surface, and one or more transmission surfaces that include a first transmission surface connecting between the first reflection surface and the second reflection surface; a plurality of light-emitting elements including a first light-emitting element for emitting first light that travels in a direction where the reflection member is disposed and that enters the first reflection surface and a second light-emitting element for emitting second light that travels in the direction where the reflection member is disposed and that enters the second reflection surface; and a first light detector having disposed thereon a first light reception surface that is irradiated with the first light travelling in the direction where the reflection member is disposed and passing through the first transmission surface.
More Like This:
| JP4203500 | Light irradiation device |
| JP6849573 | Backlight device |
Inventors:
KANAZAWA TATSUYA (JP)
OKAHISA EIICHIRO (JP)
OKAHISA EIICHIRO (JP)
Application Number:
PCT/JP2021/029325
Publication Date:
March 03, 2022
Filing Date:
August 06, 2021
Export Citation:
Assignee:
NICHIA CORP (JP)
International Classes:
F21S2/00; F21V7/00; F21V7/04; F21V7/28; F21V7/30; F21V8/00; G02B27/10; F21W102/00; F21Y115/30
Domestic Patent References:
| WO2018198596A1 | 2018-11-01 |
Foreign References:
| JP2016018594A | 2016-02-01 | |||
| JP2015005393A | 2015-01-08 | |||
| JP2010102049A | 2010-05-06 | |||
| US4281896A | 1981-08-04 | |||
| JP2015065144A | 2015-04-09 |
Attorney, Agent or Firm:
OKUDA Seiji (JP)
Download PDF:
Previous Patent: WIRING DEVICE, WIRING SYSTEM, AND PROGRAM
Next Patent: POWER STORAGE DEVICE AND LIFE DETERMINATION METHOD
Next Patent: POWER STORAGE DEVICE AND LIFE DETERMINATION METHOD