ALEXANDRIA, Va., July 21 -- United States Patent no. 12,690,331, issued on July 21, was assigned to YUNNAN INVENSIGHT OPTOELECTRONICS TECHNOLOGY Co. LTD. (Kunming, China) and BOE TECHNOLOGY GROUP Co. LTD. (Beijing).

"Display substrate and display device" was invented by Yuhao Lee (Beijing), Xue Dong (Beijing), Xiaochuan Chen (Beijing), Hui Tong (Beijing), Xiaobin Shen (Beijing), Kuanta Huang (Beijing), Cao Wu (Beijing), Weiliang Bu (Beijing), Hui Wang (Beijing) and Zhiqiang Jiao (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a display substrate. The display substrate includes a drive backplane; a first electrode layer disposed on a side of the drive backplane; a pixel definition layer ...