Title:
PLANAR LIGHTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/139802
Kind Code:
A1
Abstract:
A planar lighting device (1A) comprises: a substrate (3) provided with a plurality of light sources (30) on one surface side thereof; and a reflector (4) having a plurality of segments (4s) on which is formed a reflective surface (4f) surrounding a light source (30), the segments (4s) being disposed on one surface side of the substrate (3) and respectively corresponding to each of the plurality of light sources (30). From among the plurality of segments (4s), the outer-side reflective surface and inner-side reflective surface are asymmetrical in the outer peripheral segment (4so) disposed on the outer peripheral part of the reflector (4).
Inventors:
NARA YUSUKE (JP)
Application Number:
PCT/JP2022/011887
Publication Date:
July 27, 2023
Filing Date:
March 16, 2022
Export Citation:
Assignee:
MINEBEA MITSUMI INC (JP)
International Classes:
F21S2/00; F21Y115/10
Foreign References:
| JP2019046789A | 2019-03-22 | |||
| JP2012204336A | 2012-10-22 | |||
| JP2011228231A | 2011-11-10 |
Attorney, Agent or Firm:
TORANOMON INTELLECTUAL PROPERTY FIRM (JP)
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