ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,490,514, issued on Dec. 2, was assigned to Ordos Yuansheng Optoelectronics Co. Ltd. (Inner Mongolia, China) and Beijing BOE Technology Development Co. Ltd. (Beijing).

"Display substrate, preparation method thereof, and display device" was invented by Le Gao (Beijing), Liman Peng (Beijing), Hongyu Mi (Beijing), Qianqian Zhang (Beijing), Xiaofeng Yan (Beijing), Lingling Ma (Beijing) and Zhiyong Xue (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display substrate includes an underlay substrate, a test signal access pin layer, and a signal access pin layer. The underlay substrate includes a display region and a border region at a periphery of the ...