ALEXANDRIA, Va., June 16 -- United States Patent no. 12,310,179, issued on May 20, was assigned to BOE Technology Group Co. Ltd. (Beijing).

"Display substrate, preparation method thereof, and display apparatus" was invented by Yue Zhang (Beijing), Ying Cui (Beijing) and Li Sun (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a display substrate, a preparation method thereof and a display apparatus. The display substrate includes a substrate, a drive circuit layer disposed on the substrate and a light emitting structure layer disposed on a side of the drive circuit layer away from the substrate, wherein the drive circuit layer includes a transistor, and the light emitting structure layer i...