ALEXANDRIA, Va., May 12 -- United States Patent no. 12,626,631, issued on May 12, was assigned to AUO Corp. (Hsinchu City, Taiwan).

"Pixel circuit and driving method thereof" was invented by Yen-Wei Yeh (Hsinchu City, Taiwan) and Wei-Li Lin (Hsinchu City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pixel circuit and a driving method thereof are provided. The pixel circuit includes a capacitor, a reset circuit, a writing circuit, a driving circuit, and a light-emitting diode. The capacitor is coupled to a node. The reset circuit controlled by a reset signal and is configured to reset a voltage at the node based on a reference voltage. The writing circuit is controlled by a writing signal and is co...