ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,593, issued on May 6, was assigned to Japan Display Inc. (Tokyo).
"Lighting device" was invented by Makoto Hasegawa (Tokyo) and Masafumi Okada (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lighting device capable of changing light direction includes: a light guide plate having a first side surface extending in a first direction; and LEDs at the first side surface, in which the light guide plate has a first area extending in a second direction which is a direction perpendicular to the first direction and a second area extending in the second direction and adjacent to the first area, corresponding to the first area, at least one LED is arran...