ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,739, issued on March 17, was assigned to Shenzhen China Star Optoelectronics Semiconductor Display Technology Co. Ltd. (Shenzhen, China).

"Drive substrates, manufacturing methods thereof, and display panels" was invented by Chuanbao Luo (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drive substrate comprising: a substrate; a first active layer disposed on the substrate; a first insulating layer disposed on the first active layer; a first gate disposed on the first insulating layer; a second insulating layer disposed on the first gate; a second active layer disposed on the second insulating layer; a first electrode and a second e...