US Patent Issued to IDEMITSU KOSAN on May 27 for "Organic electroluminescence device and electronic apparatus" (Japanese Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,317,740, issued on May 27, was assigned to IDEMITSU KOSAN Co. LTD. (Tokyo).

"Organic electroluminescence device and electronic apparatus" was invented by Satomi Tasaki (Sodegaura, Japan), Taro Yamaki (Sodegaura, Japan), Hiroaki Itoi (Sodegaura, Japan), Yuki Nakano (Sodegaura, Japan) and Yuichiro Kawamura (Sodegaura, Japan).

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