ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,707,717, issued on Aug. 11, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Kanagawa-ken, Japan).
"Display apparatus and electronic device" was invented by Susumu Kawashima (Atsugi, Japan), Koji Kusunoki (Isehara, Japan), Kazunori Watanabe (Tokyo) and Satoshi Yoshimoto (Isehara, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display apparatus suitable for wide-grayscale display is provided. The display apparatus includes, in a pixel, two driving transistors and a light-emitting device that are connected in series. One of the transistors is a p-channel transistor and the other of the transistors is an n-channel transistor, and switching...