ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,549, issued on Feb. 17, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Atsugi, Japan).
"Display device" was invented by Shunpei Yamazaki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display panel for displaying an image is provided with a plurality of pixels arranged in a matrix. Each pixel includes one or more units each including a plurality of subunits. Each subunit includes a transistor in which an oxide semiconductor layer which is provided so as to overlap a gate electrode with a gate insulating layer interposed therebetween, a pixel electrode which drives liquid crystal connected to a source or a drain of the transistor,...