US Patent Issued to LG Chem on Jan. 28 for "Compound and organic light-emitting device comprising same" (South Korean Inventors)

ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,209,095, issued on Jan. 28, was assigned to LG Chem Ltd. (Seoul, South Korea).

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

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a compound of Formula 1: wherein: X and Y are independently O, S, or CZ1Z2; Ring A is a benzene or naphthalene ring; A1 to A4 are independently hydrogen, deuterium, a halogen group, a cyano group, a nitro group, a hydroxyl group, or a substituted or unsubstitut...