US Patent Issued to LG CHEM on Oct. 7 for "Heterocyclic compound and organic light-emitting device comprising same" (South Korean Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,098, issued on Oct. 7, was assigned to LG CHEM Ltd. (Seoul, South Korea).

"Heterocyclic compound and organic light-emitting device comprising same" was invented by Moung Gon Kim (Daejeon, South Korea), Wanpyo Hong (Daejeon, South Korea), Sujeong Geum (Daejeon, South Korea), Kyunghee Kim (Daejeon, South Korea) and Seonwoo Kim (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a heterocyclic compound of Chemical Formula 1: wherein: R1, R3 and R4 are each independently a hydrogen, deuterium, halogen group, nitrile group, or substituted or unsubstituted: silyl, boron, alkyl, alkenyl, alkynyl, alkoxy, aryloxy, cycloalkyl, ara...