US Patent Issued to IDEMITSU KOSAN on Oct. 7 for "Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,073, issued on Oct. 7, was assigned to IDEMITSU KOSAN Co. LTD. (Chiyoda-ku, Japan).

"Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device" was invented by Kei Yoshida (Chiba, Japan), Masatoshi Saito (Ichihara, Japan), Tomokatsu Kushida (Chiba, Japan) and Tetsuya Masuda (Chiba, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The compounds represented by formula (1): wherein X1, X2, Y1 to Y3, L, *a, R1 to R9, R11 to R18, and R21 to R27 are as defined in the description, provides organic electroluminescence devices having device performance further improved."

The patent was filed on A...