ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,484,306, issued on Nov. 25, was assigned to TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY Co. LTD. (Guangdong, China).

"Display panel and display device" was invented by Yingying Liu (Guangdong, China) and Jianjian Ying (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application provides a display panel and a display device. The display panel includes a first substrate, a second substrate disposed opposite to the first substrate, and a sealant layer. The first substrate includes a first base, signal lines, and an insulating layer. The first substrate includes a first groove structure extending through the insulating layer in a t...