Title:
LIGHTING DEVICE
Document Type and Number:
Japanese Patent JP2020167063
Kind Code:
A
Abstract:
To provide a lighting device capable of irradiating an object to be irradiated with suitable light.SOLUTION: A lighting device according to an embodiment includes a light source unit including a first light source that emits red light having a peak wavelength of 680 nm or more and a white light source, and further includes a control unit that controls the light source unit, and the output from the light source unit is controlled according to the target chromaticity coordinates corresponding to an object to be irradiated.SELECTED DRAWING: Figure 2
Inventors:
AZUMA HIROKUNI
SHIBUSAWA YUMIKO
TAKAHASHI YOSHIKO
SHIBUSAWA YUMIKO
TAKAHASHI YOSHIKO
Application Number:
JP2019067696A
Publication Date:
October 08, 2020
Filing Date:
March 29, 2019
Export Citation:
Assignee:
TOSHIBA LIGHTING & TECHNOLOGY
International Classes:
H05B47/00; F21V23/00
Domestic Patent References:
| JP2014112513A | 2014-06-19 | |||
| JP2009099510A | 2009-05-07 | |||
| JP2018041856A | 2018-03-15 | |||
| JP2009048989A | 2009-03-05 |
Attorney, Agent or Firm:
Hitoshi Kono