ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,720,991, issued on Aug. 25, was assigned to LG Display Co. Ltd. (Seoul, South Korea).
"Light emitting display device" was invented by Nack Youn Jung (Paju-si, South Korea), Hong-Seok Choi (Paju-si, South Korea), Eun-Jung Park (Paju-si, South Korea), Min Soo Kang (Paju-si, South Korea) and Jang Dae Youn (Paju-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a light emitting display device including a substrate having first to fourth subpixels, first to fourth anodes provided respectively on the first to fourth subpixels, an emission unit provided on the first to fourth anodes, the emission unit including two or more blue stacks...