ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,557,547, issued on Feb. 17, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).
"Light emitting element and polycyclic compound for light emitting element" was invented by Ryuhei Furue (Yokohama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light emitting element that includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode is provided. The emission layer includes a polycyclic compound represented by Formula 1. The light emitting element shows a high emission efficiency and long-life characteristics."
The patent was filed on Sept. 15, 2022, under Application No. ...