ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,640, issued on May 13, was assigned to Japan Display Inc. (Tokyo).
"Display device and method for manufacturing display device" was invented by Masashi Tsubuku (Tokyo), Takeshi Sakai (Tokyo) and Tatsuya Toda (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display device comprising a transistor and a display element over the transistor, wherein the transistor includes a gate electrode on an insulating surface, a gate insulating layer on the gate electrode, and source/drain electrodes on the oxide semiconductor layer and the gate insulating layer, each including a first conductive layer containing nitrogen and a second conductive layer on the ...