ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,514,111, issued on Dec. 30, was assigned to Shenzhen China Star Optoelectronics Semiconductor Display Technology Co. Ltd. (Guangdong, China).

"Control layer and method for preparing same, and photoelectric device" was invented by Jinyang Zhao (Shenzhen, China), Lixuan Chen (Shenzhen, China) and Zhiqing Shi (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A control layer and a method for preparing the same, and a photoelectric device are disclosed. A material of the control layer includes nano granules that are charged or electrically polarizable. In the present disclosure, the control layer is formed by the nano granules that are charged ...