ALEXANDRIA, Va., June 6 -- United States Patent no. 12,282,224, issued on April 22, was assigned to Japan Display Inc. (Tokyo).
"Backlight and display device" was invented by Takashi Ota (Tokyo), Michihide Shibata (Tokyo), Nobuyuki Suzuki (Tokyo) and Masafumi Okada (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A backlight includes: a light source capable of emitting light spreading in first and second directions perpendicular to each other, from an optical axis; a first cylindrical lens that refracts and brings the light closer along the first direction to the optical axis, the first cylindrical lens overlapping with the light source in a third direction perpendicular to the first and second directio...