ALEXANDRIA, Va., March 3 -- United States Patent no. 12,568,744, issued on March 3, was assigned to BOE Technology Group Co. Ltd. (Beijing).

"Display substrate and manufacturing method therefor, and display apparatus" was invented by Can Zheng (Beijing), Li Wang (Beijing), Hao Zhang (Beijing), Yipeng Chen (Beijing) and Ke Liu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display substrate and a manufacturing method therefor, and a display apparatus. The display substrate includes a base substrate, a second power line, a data signal line and a plurality of sub-pixels, wherein at least one sub-pixel includes a pixel driving circuit and a light emitting device connected to the pixel driving circuit;...