ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,720,867, issued on Aug. 25, was assigned to Wuhan China Star Optoelectronics Technology Co. Ltd. (Wuhan, China).

"Semiconductor device and display panel" was invented by Fei Ai (Wuhan, China), Zhuang Li (Wuhan, China) and Wenhui Xiong (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device and a display panel are disclosed. The semiconductor device includes an insulating substrate and a thin film transistor on the insulating substrate. The thin film transistor includes a protrusion and an active layer. The protrusion includes a first sub-protrusion on the insulating substrate, and a second sub-protrusion on the first sub-prot...