ALEXANDRIA, Va., March 19 -- United States Patent no. 12,256,581, issued on March 18, was assigned to BEIJING BOE OPTOELECTRONICS TECHNOLOGY Co. LTD. (Beijing) and BOE TECHNOLOGY GROUP Co. LTD. (Beijing).

"Light-emitting substrate, backlight source and display device" was invented by Zhichao Yang (Beijing), Jian Wang (Beijing), Yong Zhang (Beijing), Xianglei Qin (Beijing), Jian Lin (Beijing), Limin Zhang (Beijing), Zepeng Sun (Beijing), Liangzhen Tang (Beijing), Zhilong Duan (Beijing), Honggui Jin (Beijing), Yashuai An (Beijing) and Lingfang Nie (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a light-emitting substrate, a backlight source, and a display device. The lig...