US Patent Issued to Semiconductor Energy Laboratory on Oct. 7 for "Light-emitting element, light-emitting device, display device, electronic appliance, and lighting device" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,439,814, issued on Oct. 7, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Japan).

"Light-emitting element, light-emitting device, display device, electronic appliance, and lighting device" was invented by Satoshi Seo (Kanagawa, Japan), Hiromi Seo (Kanagawa, Japan), Tatsuyoshi Takahashi (Kanagawa, Japan) and Takahiro Ishisone (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multicolor light-emitting element using fluorescence and phosphorescence, which has a small number of manufacturing steps owing to a relatively small number of layers to be formed and is advantageous for practical application can be provided. In addition, a ...