ALEXANDRIA, Va., July 14 -- United States Patent no. 12,684,996, issued on July 14, was assigned to LG DISPLAY Co. LTD. (Seoul, South Korea).
"Electroluminescent display device" was invented by JooHwan Shin (Goyang-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electroluminescent display device according to an exemplary aspect of the present disclosure includes a substrate including an active area and a non-active area outside the active area, a planarization layer over the substrate and extending from the active area to the non-active area, a bank on a planarization layer extending to the non-active area, an organic layer on the bank, a cathode on the organic layer, a capping layer over t...