US Patent Issued to IDEMITSU KOSAN on Sept. 8 for "Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device" (Japanese, Swiss, French Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,733,399, issued on Sept. 8, was assigned to IDEMITSU KOSAN Co. LTD. (Tokyo).

"Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device" was invented by Tomokatsu Kushida (Chiba, Japan), Kei Yoshida (Chiba, Japan), Masatoshi Saito (Ichihara, Japan), Yoshinao Shirasaki (Chiba, Japan), Masato Nakamura (Sumida-ku, Japan), Michelle Groarke (Binningen, Switzerland), Heinz Wolleb (Fehren, Switzerland) and Natalia Chebotareva (Hagenthal le Bas, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "To provide a compound that further improves the capability of an organic EL device, an organic EL device ...