ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,501,786, issued on Dec. 16, was assigned to Beijing BOE Technology Development Co. Ltd. (Beijing).

"Display substrate and preparation method thereof, and display apparatus" was invented by Jiayu He (Beijing), Ce Ning (Beijing), Zhengliang Li (Beijing), Hehe Hu (Beijing), Fengjuan Liu (Beijing), Wei Liu (Beijing), Tianmin Zhou (Beijing) and Kun Zhao (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a circuit layer disposed on a base substrate, an emitting structure layer and a photoelectric structure layer di...