ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,743,991, issued on Sept. 22, was assigned to DB GlobalChip Co. Ltd. (Seongnam-si, South Korea).

"Display device" was invented by Kyung Hwan Kim (Seongnam-si, South Korea), Sung Tak Yoon (Seongnam-si, South Korea), Shin Yoon (Seongnam-si, South Korea) and Chang Hee Shin (Seongnam-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display device is proposed. The display device may include a pixel array including n pixel groups, and a reference current source connected to the pixel array and providing a reference current. The display device may also include n sub-current sources and n pixel circuits included in each of the n pixel groups and...