ALEXANDRIA, Va., July 21 -- United States Patent no. 12,690,351, issued on July 21, was assigned to LG Display Co. Ltd. (Seoul, South Korea).

"Display apparatus" was invented by Kyoungji Bae (Paju-si, South Korea), JaeKyeong Yun (Paju-si, South Korea), Sungmoo Kim (Paju-si, South Korea), Takashi Hirano (Paju-si, South Korea), Jinah Kwak (Paju-si, South Korea) and Heetae Lim (Paju-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display apparatus includes a substrate including a plurality of subpixels. Each of the plurality of subpixels includes a first electrode, a first emission part on the first electrode, the first emission part including a first hole functional layer and a first emission ...