The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 16, 2025
Filed:
Mar. 16, 2022
Applicant:
Minebea Mitsumi Inc., Nagano, JP;
Inventor:
Yusuke Nara, Kitasaku-gun, JP;
Assignee:
MINEBEA MITSUMI Inc., Nagano, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/13357 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133605 (2013.01); G02F 1/133603 (2013.01); G02F 1/133608 (2013.01);
Abstract
The planar illumination device includes a substrate including a plurality of light sources provided at one surface side, and a reflector disposed at the one surface side of the substrate and including a plurality of segments corresponding to the plurality of light sources, respectively, each of the segments being formed with a reflection surface surrounding each of the light sources. In an outer peripheral part segment disposed at an outer peripheral part of the reflector out of the plurality of segments, the reflection surface at an outer side and the reflection surface at an inner side are asymmetric.