ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,538,663, issued on Jan. 27, was assigned to LG Display Co. Ltd. (Seoul, South Korea).
"Electroluminescent display device" was invented by Hanil Kim (Paju-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electroluminescent display device according to an example embodiment of the present disclosure may include a substrate having an active area and a non-active area, an oxide thin film transistor disposed on the substrate, an inorganic layer disposed on the oxide thin film transistor, an organic layer disposed on the inorganic layer, at least one hole disposed in the organic layer of the non-active area, a hydrogen blocking layer disposed ...