ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,638, issued on Aug. 5, was assigned to Japan Display Inc. (Tokyo).

"Display device and semiconductor device" was invented by Akihiro Hanada (Tokyo), Toshihide Jinnai (Tokyo), Isao Suzumura (Tokyo), Hajime Watakabe (Tokyo) and Ryo Onodera (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display device including: a substrate; a first thin film transistor of polysilicon semiconductor, a second thin film transistor of oxide semiconductor; a first light shading film opposing to the polysilicon semiconductor, and a second light shading film opposing to the oxide semiconductor; a first insulating film, a second insulating film which is constituted fr...