US Patent Issued to IDEMITSU KOSAN on March 17 for "Organic electroluminescence element, composition, powder, electronic equipment, and novel compound" (Japanese Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,850, issued on March 17, was assigned to IDEMITSU KOSAN Co. LTD. (Tokyo).

"Organic electroluminescence element, composition, powder, electronic equipment, and novel compound" was invented by Yongguk Lee (Sodegaura, Japan), Ryoji Maeda (Sodegaura, Japan), Yuki Nakano (Sodegaura, Japan) and Hiroaki Itoi (Sodegaura, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An organic electroluminescence device including: a cathode; an anode; and at least one emitting layer disposed between the cathode and the anode, wherein the emitting layer contains a first host material, a second host material, and a dopant material, wherein the first host material is a...