ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,484,387, issued on Nov. 25, was assigned to LG DISPLAY Co. LTD. (Seoul, South Korea).
"Organic light emitting display apparatus" was invented by Pureum Kim (Paju-si, South Korea), Yeonsuk Kang (Paju-si, South Korea) and Hye-Jin Gong (Paju-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing an organic light emitting display apparatus can include forming a transistor on a substrate; forming a planarization film having a lower contact hole on the transistor; forming a connection electrode electrically connected with the transistor through the lower contact hole on the planarization film; and forming an insulating film ...