ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,181, issued on June 17, was assigned to Sharp Display Technology Corp. (Kameyama, Japan).

"Display device" was invented by Hisashi Watanabe (Kameyama, Japan) and Hirotoshi Yasunaga (Kameyama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a display device that makes a desired pattern or the like visible in the non-display state and is capable of displaying a display image without allowing perception of the complementary color of the color of the pattern or the like. The display device includes: a dot matrix display panel; and a design layer disposed in front of a front surface side of the display panel. The design layer includes a ...