ALEXANDRIA, Va., April 9 -- United States Patent no. 12,274,128, issued on April 8, was assigned to Hefei BOE Joint Technology Co. Ltd. (Anhui, China) and BOE Technology Group Co. Ltd. (Beijing).

"Display substrate and method for manufacturing same, and display apparatus" was invented by Yongqian Li (Beijing) and Can Yuan (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display substrate, including: a base, and a plurality of sub-pixels arranged on the base. At least one of the plurality of sub-pixels includes a pixel driving circuit and a light-emitting element electrically connected to the pixel driving circuit. The pixel driving circuit includes a plurality of transistors and at least one storage...