ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,543,445, issued on Feb. 3, was assigned to Beijing BOE Technology Development Co. Ltd. (Beijing).

"Display substrate" was invented by Lei Zhao (Beijing), Zhiqiang Jiao (Beijing), Xiaohu Li (Beijing), Xiaoyun Liu (Beijing), Shuilang Dong (Beijing), Guangcai Yuan (Beijing) and Lilei Zhang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display substrate is provided, the display substrate has a plurality of sub-pixels, and includes a driving circuit substrate, a plurality of first electrodes, a pixel definition layer and a light-emitting material layer. The driving circuit substrate includes a plurality of pixel driving circuits and a protective i...