US Patent Issued to LG CHEM on July 21 for "Compound and organic light emitting device comprising the same" (South Korean Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,661, issued on July 21, was assigned to LG CHEM Ltd. (Seoul, South Korea).

"Compound and organic light emitting device comprising the same" was invented by Sang Duk Suh (Daejeon, South Korea), Min Woo Jung (Daejeon, South Korea), Jungha Lee (Daejeon, South Korea), Su Jin Han (Daejeon, South Korea), Seulchan Park (Daejeon, South Korea), Sunghyun Hwang (Daejeon, South Korea) and Dong Hoon Lee (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a compound of Chemical Formula 1: wherein: each X is independently N or CH, provided that at least one X is N; Y is O or S; each Ar is independently substituted or unsubstituted: C6-...