US Patent Issued to JAPAN DISPLAY on Oct. 27 for "Illumination device" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,775,134, issued on Oct. 27, was assigned to JAPAN DISPLAY INC. (Tokyo).

"Illumination device" was invented by Makoto Hasegawa (Tokyo), Nobuyuki Suzuki (Tokyo) and Masafumi Okada (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to one embodiment, in an illumination device, a plurality of first projection portions and a plurality of second projection portions are provided in a second area of a first light guide, a thickness of the first light guide becomes less as a location thereof which is further away from a first side surface and closer to a first central portion, a plurality of third projection portions and a plurality of fourth projec...