ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,490,631, issued on Dec. 2, was assigned to LG Display Co. Ltd. (Seoul, South Korea).

"Light emitting display device" was invented by SangHoon Lee (Paju-si, South Korea), HanSol Choi (Paju-si, South Korea) and Joonsuk Lee (Paju-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light emitting display device includes a circuit layer having an auxiliary power electrode disposed on a substrate, a first protective layer covering the circuit layer, a second protective layer disposed between the first protective layer and the auxiliary power electrode, a contact portion penetrating the first protective layer and the second protective layer to expo...