ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,457,872, issued on Oct. 28, was assigned to MIANYANG HKC OPTOELECTRONICS TECHNOLOGY Co. LTD. (Mianyang, China) and HKC CORPORATION LIMITED (Shenzhen, China).

"Display panel and display device" was invented by Xin Yuan (Mianyang, China), Xiufeng Zhou (Mianyang, China) and Haijiang Yuan (Mianyang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a display panel and a display device. The display panel comprises a thin film transistor and a plurality of voltage drain drain signal lines, the thin film transistor comprises a bottom gate and a top gate opposite to each other, the voltage drain drain signal lines are arrang...