ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,055, issued on Dec. 30, was assigned to Beijing BOE Technology Development Co. Ltd. (Beijing).

"Pixel driving circuit, display apparatus, and method of driving display apparatus" was invented by Zhichong Wang (Beijing) and Dacheng Zhang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pixel driving circuit is provided. The pixel driving circuit includes a first circuit, a second circuit, and one or more third circuits. The first circuit is configured to compensate for a variation in a threshold voltage in a driving transistor in the one or more third circuits. The first circuit is coupled to a first control signal line, a second control sig...