ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,077, issued on Sept. 30, was assigned to DB GlobalChip Co. Ltd. (Seongnam-si, South Korea).
"Display device and driving method thereof" 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 device may include a pixel array including n pixel groups, a reference current source including a first reference transistor through which a reference current flows and connected to the pixel array, and n sub-current sources each included in the n pixel gr...