US Patent Issued to IDEMITSU KOSAN on Aug. 12 for "Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,384,739, issued on Aug. 12, was assigned to IDEMITSU KOSAN Co. LTD. (Tokyo).

"Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device" was invented by Tomoki Kato (Chiba, Japan), Taro Yamaki (Ichihara, Japan), Masahiro Kawamura (Chiba, Japan) and Hirokatsu Ito (Ichihara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compound represented by formula (1) provides a high performance organic electroluminescence device and a novel material for realizing such an organic electroluminescence device:wherein R1 to R6, a to f, L1 to L3, and Ar are as defined in the description."

The patent was f...