ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,087, issued on April 21, was assigned to BOE Technology Group Co. Ltd. (Beijing).

"Display substrate and display apparatus" was invented by Pan Xu (Beijing), Hongli Wang (Beijing), Danyang Ma (Beijing), Guoying Wang (Beijing), Xing Zhang (Beijing), Chengyuan Luo (Beijing) and Ying Han (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display substrate includes an underlayer substrate and a circuit structure layer. The circuit structure layer is located in a display area of the underlayer substrate. The circuit structure layer includes at least one first circuit area and at least one second circuit area. The first circuit area includes at le...