ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,444,355, issued on Oct. 14, was assigned to Chengdu BOE Optoelectronics Technology Co. Ltd. (Chengdu, China) and Beijing BOE Technology Development Co. Ltd. (Beijing).

"Display substrate and display device" was invented by Yuanyou Qiu (Beijing), Yao Huang (Beijing) and Pinchao Gu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display substrate and a display device, the display substrate including first light emitting devices in a first display area, second light emitting devices in a second display area, first pixel driving circuits and second pixel driving circuits, the first pixel driving circuits and the first light emitting devices are co...