Title:
LIGHTING DEVICE
Document Type and Number:
Japanese Patent JP2021034327
Kind Code:
A
Abstract:
To provide a lighting device having space rendering property and also excellent in designability.SOLUTION: A lighting device 1 includes: a plate-like light control body 20 having a first surface 21 and a second surface 22 being back-to-back each other; and a light source 10 emitting light L to a light control body 20. The first surface 21 and the second surface 22 are surfaces controlling the light path of the light L incident in the light control body 20 and include light path control parts different from each other. When a direction toward the light control body 20 from the light source 10 is made a first direction and a direction opposite to the first direction is made a second direction, the light control body 20 can change the orientation of the first surface 21 to the first direction and the second direction. When the orientation of the first surface 21 is the first direction, the light control body 20 emits the first emission light L1 to the first direction side. When the orientation of the first surface 21 is a second direction, the light control body 20 emits the second emission light L2 to the second direction side.SELECTED DRAWING: Figure 4A
Inventors:
HASUO MAKOTO
SASAKO TATSUYA
MIZOKAWA HIROYUKI
SASAKO TATSUYA
MIZOKAWA HIROYUKI
Application Number:
JP2019156581A
Publication Date:
March 01, 2021
Filing Date:
August 29, 2019
Export Citation:
Assignee:
PANASONIC IP MAN CORP
International Classes:
F21V3/00; F21S2/00; F21V3/02; F21V3/04; F21V5/00; F21V17/02; F21V17/10
Attorney, Agent or Firm:
Hiromori Arai
Eisaku Teratani
Shinichi Michisaka
Eisaku Teratani
Shinichi Michisaka