ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,444,345, issued on Oct. 14, was assigned to BOE Technology Group Co. Ltd. (Beijing).

"Display substrate and brightness compensation method thereof, and display apparatus" was invented by Weixing Liu (Beijing), Kuanjun Peng (Beijing), Bin Qin (Beijing), Kai Guo (Beijing), Tieshi Wang (Beijing) and Fangzhen Zhang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display substrate (910), comprising a plurality of pixel units (P11, P12, P21, P22) and at least one compensation circuit. At least one pixel unit (P11, P12, P21, P22) comprises: a main light-emitting unit and an auxiliary light-emitting unit; and the at least one compensation circuit is c...