ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,482, issued on May 26, was assigned to LG CHEM Ltd. (Seoul, South Korea).
"Compound and organic light emitting device comprising same" was invented by Moung Gon Kim (Daejeon, South Korea), Tae Yoon Park (Daejeon, South Korea), Wanpyo Hong (Daejeon, South Korea), Sujeong Geum (Daejeon, South Korea) and Kyunghee Kim (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a compound of Formula 1: wherein: Y is NR, CRxRy, O, or S; R, Rx, Ry, A1 and A2 are each independently hydrogen, deuterium, or a substituted or unsubstituted: alkyl, cycloalkyl, aryl, silyl, heteroaryl, alkoxy, aryloxy, aralkyl, alkenyl, or alkynyl group, or ar...