ALEXANDRIA, Va., June 2 -- United States Patent no. 12,648,313, issued on June 2, was assigned to Chengdu BOE Optoelectronics Technology Co. Ltd. (Chengdu, China) and BOE Technology Group Co. Ltd. (Beijing).

"Display substrate, manufacturing method thereof and display device" was invented by Ke Liu (Beijing), Dan Guo (Beijing), Ling Shi (Beijing), Xiaoqi Ding (Beijing), Wenxuan Zhang (Beijing) and Qian Li (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display substrate, a manufacturing method thereof and a display device are provided. The display substrate includes pixel regions (PD) and blank regions (PB), the pixel region (PD) includes first power supply lines (70) and a second power supply line...