US Patent Issued to Semiconductor Energy Laboratory on Nov. 25 for "Light-emitting element, display device, electronic device, and lighting device" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,038, issued on Nov. 25, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Atsugi, Japan).

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

According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting element having high luminous efficiency is provided. The light-emitting element includes a first organic compound, a second organic compound, and a third organic compound. The first organic compound and the second organic compound, in combination, are capable of forming an exciplex. The first organic compound is a phosphorescen...