US Patent Issued to Idemitsu Kosan on Aug. 4 for "Organic electroluminescence device comprising an azine compound and a rare earth metal, rare earth metal compound, and/or rare earth metal complex and an electronic equipment comprising said organic electroluminescence device" (Japanese, Swiss, French Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,701,914, issued on Aug. 4, was assigned to Idemitsu Kosan Co. Ltd. (Tokyo).

"Organic electroluminescence device comprising an azine compound and a rare earth metal, rare earth metal compound, and/or rare earth metal complex and an electronic equipment comprising said organic electroluminescence device" was invented by Michelle Groarke (Binningen, Switzerland), Heinz Wolleb (Fehren, Switzerland), Natalia Chebotareva (Hagenthal le Bas, France), Hiroaki Toyoshima (Sodegaura, Japan) and Masatoshi Saito (Sodegaura, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An organic electroluminescence device comprising an electron-transporting zone comprising i) ...