ALEXANDRIA, Va., April 7 -- United States Patent no. 12,598,866, issued on April 7, was assigned to SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY Co. LTD. (Shenzhen, China).

"Display panel and display device having two active layers of two transistors of different material" was invented by Yunxi Liu (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display panel and a display device are provided. The display panel includes a first transistor, a second transistor, and a first interlayer insulating layer between the first transistor and the second transistor. The first transistor includes a first active layer, and a material of the first active layer is an amorphous oxid...