US Patent Issued to Semiconductor Energy Laboratory on Dec. 2 for "Triarylamine derivative, light-emitting substance, light-emitting element, light-emitting device, and electronic device" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,490,650, issued on Dec. 2, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Japan).

"Triarylamine derivative, light-emitting substance, light-emitting element, light-emitting device, and electronic device" was invented by Harue Osaka (Kanagawa, Japan), Takahiro Ushikubo (Kanagawa, Japan), Nobuharu Ohsawa (Kanagawa, Japan), Satoshi Seo (Kanagawa, Japan) and Tsunenori Suzuki (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A triarylamine derivative represented by a general formula (G1) given below is provided. Note that in the formula, Ar represents either a substituted or unsubstituted phenyl group or a substituted or unsubstituted...