ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,381, issued on Sept. 9, was assigned to MINEBEA MITSUMI Inc. (Nagano, Japan).
"Planar illumination device" was invented by Yusuke Nara (Kitasaku-gun, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "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 periphera...