ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,505,796, issued on Dec. 23, was assigned to MAGNOLIA WHITE Corp. (Tokyo).
"Display device" was invented by Hajime Watakabe (Tokyo), Kentaro Miura (Tokyo) and Masashi Tsubuku (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display device including a substrate, a light-emitting element, a first transistor, and a second transistor, the first transistor including the first gate electrode on the substrate; a first insulating film on the first gate electrode, a first oxide semiconductor on the first insulating film, and having an area overlapping the first gate electrode, a second insulating film on the first oxide semiconductor, and a first conductiv...