ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,513,838, issued on Dec. 30, was assigned to Shenzhen China Star Optoelectronics Semiconductor Display Technology Co. Ltd. (Shenzhen, China).

"Shaft and display device" was invented by Dengqian Li (Guangdong, China) and Rong Xia (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A shaft and a display device are disclosed. The display device includes the shaft including a plurality of planar sections and arc sections. Each of the arc sections is disposed between adjacent ones of the planar sections. A flexible display screen includes a first side, a third side, and a second side sequentially arranged, and the third side is fixed on the shaft...