ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,157, issued on March 31, was assigned to Sharp Display Technology Corp. (Kameyama City, Japan).
"Lighting device" was invented by Hisashi Watanabe (Kameyama City, Japan) and Hirotoshi Yasunaga (Kameyama City, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lighting device includes a plurality of light sources disposed side by side in a row direction and a column direction in one plane, a substrate on which the plurality of light sources are mounted, and a reflection member disposed covering the mounting surface of the substrate. The reflection member includes a plurality of insertion holes through which the light sources are respectively ins...