Title:
LIGHT SOURCE DEVICE, LIGHT EMITTING DEVICE, AND MEASURING DEVICE
Document Type and Number:
Japanese Patent JP2023117941
Kind Code:
A
Abstract:
To suppress power consumption compared to a case of supplying a common voltage to a light emitting portion and a setting portion.SOLUTION: A light source device (3) includes: a plurality of light emitting portions (22); a setting portion (26) that is electrically connected to the light emitting portion (22) and sets the light emitting portion (22) to a state of being able to emit light from among the plurality of light emitting portions (22); a first power source (P1) that supplies a first voltage (VLD) to the light emitting portion (22); and a second power supply (P2) that supplies a second voltage (VGK) lower than the first voltage (VLD) to the setting portion (26).SELECTED DRAWING: Figure 7
Inventors:
ONO SEIJI
KONDO TAKASHI
KONDO TAKASHI
Application Number:
JP2022020767A
Publication Date:
August 24, 2023
Filing Date:
February 14, 2022
Export Citation:
Assignee:
FUJIFILM BUSINESS INNOVATION CORP
FUJIFILM CORP
FUJIFILM CORP
International Classes:
H01L33/00; G01B11/24; G01C3/06; H01L33/62
Attorney, Agent or Firm:
Takeshi Kamei
Masahiro Koizumi
Kazuo Aoya
Tomohiro Nakamura
Masahiro Koizumi
Kazuo Aoya
Tomohiro Nakamura