US Patent Issued to IDEMITSU KOSAN on June 30 for "Organic electroluminescent element and electronic device using same" (Japanese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,739, issued on June 30, was assigned to IDEMITSU KOSAN Co. LTD. (Tokyo).

"Organic electroluminescent element and electronic device using same" was invented by Hiroaki Itoi (Sodegaura, Japan), Yuki Nakano (Sodegaura, Japan), Satomi Tasaki (Sodegaura, Japan) and Taro Yamaki (Sodegaura, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An organic electroluminescence device comprising: a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer comprises a compound represented by the following formula (1), and a compound A having a Stokes shift of 20 nm or smaller and an emission peak wavelength of ...