ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,727,518, issued on Sept. 1, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Atsugi, Japan).
"Display device" was invented by Koji Kusunoki (Isehara, Japan), Yosuke Tsukamoto (Atsugi, Japan) and Kensuke Yoshizumi (Atsugi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display device with a high luminance, a high contrast, and low power consumption is provided. The display device includes a transistor, a light-emitting element, a coloring layer, a phosphor layer, a first electrode, and a second electrode. The light-emitting element is electrically connected to the first electrode and the second electrode, the first electrode is electrica...