ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,909, issued on June 17, was assigned to Japan Display Inc. (Tokyo).
"Lighting 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: "A lighting device according to the invention includes: a funnel shaped reflector including a first hole in which a light source is disposed, a second hole which emits light, and a reflecting curved surface connecting the first hole with the second hole, a first direction being defined as a direction of a line connecting a center of the first hole with a center of the second hole; a reflection plate, being opposed to the second ho...