ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,543,500, issued on Feb. 3, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).

"Light emitting element" was invented by Seran Kim (Suwon-si, South Korea) and Chanseok Oh (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light emitting element according to an embodiment includes a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer comprises a first compound, a second compound, and a third compound, which are different from each other, and the first compound is a polycyclic compound represented by Formu...