ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,495,717, issued on Dec. 9, was assigned to LG CHEM Ltd. (Seoul, South Korea).

"Amine compound and organic light emitting diode comprising same" was invented by Minjun Kim (Daejeon, South Korea), Kongkyeom Kim (Daejeon, South Korea), Hyoung Seok Kim (Daejeon, South Korea) and Min Woo 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: Ar11 to Ar15 are each independently a substituted or unsubstituted aryl or heteroaryl group, or are bonded to an adjacent substituent to form a substituted or unsubstituted ring, L and L2 to L5 are each independently a direct bond or a substituted or...