ALEXANDRIA, Va., June 4 -- United States Patent no. 12,324,311, issued on June 3, was assigned to WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY Co. LTD. (Wuhan, China).

"Display panel, pixel driving circuits, and display device" was invented by Hong Cheng (Wuhan, China), Yanqing Guan (Wuhan, China), Chao Tian (Wuhan, China), Fei Ai (Wuhan, China) and Guanghui Liu (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display panel, a pixel driving circuit, and a display device are provided. Driving transistors include a first transistor and a second transistor connected in parallel. An absolute value of a threshold voltage of the first transistor is greater than an absolute value of a threshold voltage...