Title:
LIGHTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/026741
Kind Code:
A1
Abstract:
This lighting device (100) comprises a light-emitting element (20) and a light reflection member (50). The light-emitting element (20) emits light along a lighting direction that runs toward one side of the lighting device (100) from an emission opening (18). The light reflection member (50): is fixed to a lighting device cover (10) so as to be further to the one side than a shutter (40) that is fixed to the lighting device cover (10) so as to be further to the one side than a diffusion plate (30); and has a resin interface (52) that reflects all of a portion of the light that passes through the shutter (40) and then emits the reflected light along the lighting direction. The resin interface (52) comprises an inside protruding resin interface (52a) that surrounds the perimeter of the emission opening (18) and protrudes toward the other side and an outside protruding resin interface (52b) that surrounds the perimeter of the the inside protruding resin interface (52a) and protrudes toward the other side.
Inventors:
IINO KOHHEI (JP)
Application Number:
PCT/JP2022/028615
Publication Date:
March 02, 2023
Filing Date:
July 25, 2022
Export Citation:
Assignee:
DAI ICHI SHOMEI CO LTD (JP)
International Classes:
F21S2/00; F21V7/09; F21V11/10; F21V14/08; F21Y113/10; F21Y115/10
Foreign References:
| US10845030B1 | 2020-11-24 | |||
| JP2017103051A | 2017-06-08 | |||
| JP2002094129A | 2002-03-29 |
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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