ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,808, issued on March 17, was assigned to LG Display Co. Ltd (South Korea).
"Electroluminescent display device" was invented by Seungho Bang (Goyang-si, South Korea), Jonghan Park (Seoul, South Korea), Hyeona Kim (Incheon, South Korea), Bokyoung Lee (Seoul, South Korea) and JungHo Bang (Paju-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electroluminescent display device includes a substrate having a display area surrounding a through-hole, and a non-display area disposed between the display area and the through-hole, a thin-film transistor disposed on an upper portion of the display area and a light-emitting element connected to ...