ALEXANDRIA, Va., April 7 -- United States Patent no. 12,596,446, issued on April 7, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Atsugi, Japan).

"Functional panel, display device, input/output device, and data processing device" was invented by Daiki Nakamura (Atsugi, Japan), Fumiyasu Seino (Isehara, Japan), Tomoya Aoyama (Atsugi, Japan) and Takahiro Ishisone (Isehara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A novel functional panel that is highly convenient, useful, or reliable is provided. The functional panel includes a first element, a first reflective film, and an insulating film. The first element includes a first electrode, a second electrode, and a layer containing a light-e...