ALEXANDRIA, Va., July 14 -- United States Patent no. 12,684,987, issued on July 14, was assigned to LG Display Co. Ltd. (Seoul, South Korea).
"Organic light emitting diode display device" was invented by Ji-Hyang Jang (Paju-si, South Korea), Won-Hoe Koo (Paju-si, South Korea) and Tae-Shick Kim (Paju-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Various embodiments provide an organic light emitting diode display device that includes a substrate having an emitting area and a non-emitting area; an overcoating layer on the substrate and including a convex portion and a concave portion. The convex portion includes a bottom surface portion, a top surface portion and a side surface portion between ...