ALEXANDRIA, Va., July 15 -- United States Patent no. 12,666,761, issued on June 23, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).

"Light-emitting device and display including the same" was invented by Sunil Kim (Suwon-si, South Korea), Junhee Choi (Suwon-si, South Korea), Nakhyun Kim (Suwon-si, South Korea) and Junghun Park (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting device includes a first semiconductor layer having a first conductive type, an active layer provided on the first semiconductor layer, a second semiconductor layer provided on the active layer and having a second conductive type that is electrically opposite to the first conductive ...