ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,452,969, issued on Oct. 21, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Japan).
"Display device" was invented by Daisuke Kubota (Kanagawa, Japan), Ryo Hatsumi (Kanagawa, Japan) and Taisuke Kamada (Saitama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display device having a photosensing function is provided. A display device having a biometric authentication function typified by fingerprint authentication is provided. A display device having both a touch panel function and a biometric authentication function is provided. The display device includes a first substrate, a light guide plate, a first light-emitting element, a second l...