ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,426,469, issued on Sept. 23, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Japan).

"Display device and electronic device" was invented by Hajime Kimura (Kanagawa, Japan) and Atsushi Miyaguchi (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "To improve color reproduction areas in a display device having light-emitting elements. A display region has a plurality of picture elements. Each picture element includes: first and second pixels each including a light-emitting element which has a chromaticity whose x-coordinate in a CIE-XY chromaticity diagram is 0.50 or more; third and fourth pixels each including a light-emitting eleme...