US Patent Issued to Semiconductor Energy Laboratory on Feb. 10 for "Light-emitting device, display device, electronic device, organic compound, and lighting device" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,834, issued on Feb. 10, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Atsugi, Japan).

"Light-emitting device, display device, electronic device, organic compound, and lighting device" was invented by Nobuharu Ohsawa (Kanagawa, Japan) and Satoshi Seo (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multicolor light-emitting device having high luminous efficiency is provided. The light-emitting device contains a material serving as an energy donor, a fluorescent material, and a phosphorescent material in a light-emitting layer. The material serving as an energy donor has a function of converting triplet excitation energy i...