ALEXANDRIA, Va., June 2 -- United States Patent no. 12,646,433, issued on June 2, was assigned to HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY Co. LTD. (Hefei, China) and BOE TECHNOLOGY GROUP Co. LTD. (Beijing).

"Shift-register unit, grid driving circuit and displaying device" was invented by Yongxian Xie (Beijing), Zhixiang Zou (Beijing), Feng Qu (Beijing), Chuanjiang Tang (Beijing), Tong Yang (Beijing), Xiaoye Ma (Beijing), Fengzhen Lv (Beijing) and Ran Zhang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A shift-register unit, a grid driving circuit and a displaying device, which relates to the technical field of displaying. In the present disclosure, the oxide-semiconductor layers of the oxide thin...