US Patent Issued to LG CHEM on Dec. 9 for "Compound and organic light emitting device comprising same" (South Korean Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,495,718, issued on Dec. 9, was assigned to LG CHEM Ltd. (Seoul, South Korea).

"Compound and organic light emitting device comprising same" was invented by Minjun Kim (Daejeon, South Korea), Dong Hoon Lee (Daejeon, South Korea), Hyoung Seok Kim (Daejeon, South Korea), Sangwoo Lee (Daejeon, South Korea), Sang Duk Suh (Daejeon, South Korea), Donghee Kim (Daejeon, South Korea), Sunmin Kim (Daejeon, South Korea) and Da Jung Lee (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compound of Chemical Formula 1:where at least one of R7 to R10 is Chemical Formula A, and the remaining R7 to R10 are hydrogen:wherein in Chemical Formula A, means ...