US Patent Issued to Idemitsu Kosan on Feb. 10 for "Compound, material for an organic electroluminescence device and an organic electroluminescence device comprising the compound" (Swiss, Japanese, French Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,679, issued on Feb. 10, was assigned to Idemitsu Kosan Co. Ltd. (Tokyo).

"Compound, material for an organic electroluminescence device and an organic electroluminescence device comprising the compound" was invented by Heinz Wolleb (Fehren, Switzerland), Michelle Groarke (Binningen, Switzerland), Masato Mitani (Sodegaura, Japan) and Natalia Chebotareva (Hagenthal le Bas, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "Specific compounds represented by formula (I), a material for an organic electroluminescence device comprising said specific compound, an organic electroluminescence device comprising said specific compound, an electronic equipmen...