US Patent Issued to Semiconductor Energy Laboratory on Jan. 20 for "Light-emitting element, light-emitting device, display device, lighting device, and electronic device" (Japanese Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,532,602, issued on Jan. 20, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Japan).

"Light-emitting element, light-emitting device, display device, lighting device, and electronic device" was invented by Satoko Shitagaki (Kanagawa, Japan), Takahiro Ishisone (Kanagawa, Japan), Satoshi Seo (Kanagawa, Japan) and Takeyoshi Watabe (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a light-emitting element which has an anode, a light-emitting layer over the anode, an electron-transport layer over and in contact with the light-emitting layer, an electron-injection layer over and in contact with the electron-transport layer, a...