ALEXANDRIA, Va., March 19 -- United States Patent no. 12,256,617, issued on March 18, was assigned to WuHan TianMa Micro-electronics Co. LTD. (Wuhan, China).
"Display panel and display device" was invented by Ai Xiao (Wuhan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display panel includes a substrate, sub-pixels, and a black matrix. Each sub-pixel includes a pixel drive circuit and a light-emitting element. The light-emitting element includes an anode connected to M trace lead-out ends. At least portion of the trace lead-out end is electrically connected to pixel drive circuit through connection trace, Mless than=1. The black matrix has openings where the anode is exposed. The portion of the tra...