ALEXANDRIA, Va., June 9 -- United States Patent no. 12,649,724, issued on June 9, was assigned to SAMSUNG DISPLAY Co. LTD. (Gyeonggi-Do, South Korea).

"Light emitting device and amine compound for the same" was invented by Naoya Sakamoto (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light emitting device includes a first electrode, a second electrode disposed on the first electrode, and at least one functional layer disposed between the first electrode and the second electrode. The at least one functional layer includes an amine compound represented by Formula 1. A light emitting device including the amine compound may show improved efficiency and life characteristics."

The patent was fi...