ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,557,478, issued on Feb. 17, was assigned to LG Display Co. Ltd. (Seoul, South Korea).

"Light emitting display apparatus" was invented by Sejong Seong (Paju-si, South Korea), Seungkyeom Kim (Paju-si, South Korea) and Soyoung Lee (Paju-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light emitting display apparatus includes a planarization layer provided in a substrate, a plurality of anodes provided on the planarization layer, a bank including opening regions exposing the anodes, a light emitting layer provided on the plurality of anodes and the bank, and a cathode provided on the light emitting layer, the cathode including a boundary re...