Title:
LUMINAIRE AND CONTROL METHOD OF LUMINAIRE
Document Type and Number:
Japanese Patent JP2015018682
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a luminaire and a control method of luminaire capable of changing light color of illumination light by using a filter for changing the light transmittance without imposing a discomfort to users.SOLUTION: The luminaire include: a light source 11 constituted of a solid light-emitting element; a filter 12 disposed at the light output side of the light source 11, which changes the light transmittance; and a control section 20 that controls the light output from the light source 11. When the light transmittance of the filter 12 changes and when the color of light from the light source 11 transmitting the filter 12 changes, the control section 20 controls the light source 11 to output the light so that the light synchronizes with changes of the light transmittance of the filter 12 and has a negative correlationship.
Inventors:
WATANABE KATSUMI
YAMAUCHI SATORU
IZU TAKANORI
YAMAUCHI SATORU
IZU TAKANORI
Application Number:
JP2013145043A
Publication Date:
January 29, 2015
Filing Date:
July 10, 2013
Export Citation:
Assignee:
PANASONIC CORP
International Classes:
H05B37/02; F21S2/00; F21S6/00; F21S8/04; F21V9/40; G02F1/15; H01L33/00
Domestic Patent References:
| JP2007265814A | 2007-10-11 | |||
| JP2012124140A | 2012-06-28 | |||
| JP2007265808A | 2007-10-11 |
Attorney, Agent or Firm:
New house Extensive 守
Eisaku Teratani
道坂 Shin-ichi
Eisaku Teratani
道坂 Shin-ichi