ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,180, issued on Sept. 9, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Japan).
"Light-emitting device, light-emitting apparatus, electronic device, and lighting device" was invented by Satoshi Seo (Kanagawa, Japan), Toshiki Sasaki (Kanagawa, Japan), Shogo Uesaka (Kanagawa, Japan) and Shiho Nomura (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a light-emitting device that can have sufficient device characteristics even with a smaller number of stacked layers in an EL layer and a thicker light-emitting layer than a conventional one by using, as an organic compound used for the EL layer of the light-emitting dev...