ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,601, issued on March 17, was assigned to Magnolia White Corp. (Tokyo).
"Backlight and display device" was invented by Takashi Ota (Tokyo), Nobuyuki Suzuki (Tokyo) and Masafumi Okada (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A backlight includes: light sources planarly arranged and each capable of emitting divergent light; first lenses planarly arranged, overlapping with the respective light sources from above, and being of a shape enabling reduction of a divergence angle of the divergent light; second lenses planarly arranged, overlapping with the first lenses from above, and being of a shape enabling further reduction of the divergence...