US Patent Issued to IDEMITSU KOSAN on July 28 for "Compound, organic electroluminescent element and electronic device" (Japanese Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,212, issued on July 28, was assigned to IDEMITSU KOSAN Co. LTD. (Tokyo).

"Compound, organic electroluminescent element and electronic device" was invented by Yuki Nakano (Tokyo), Satomi Tasaki (Tokyo), Kazuki Nishimura (Tokyo) and Hiroaki Itoi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compound represented by a formula (1) and having at least one deuterium atom is provided. In the formula (1), n is 1 to 4, L1 is a divalent group or a group represented by a formula (11) and R111 to R119 and R211 to R219 are each independently a hydrogen atom or a substituent, where the compound represented by the formula (1) does not include a group repr...