US Patent Issued to SAMSUNG DISPLAY on Feb. 18 for "Luminescence device and polycyclic compound for luminescence device" (Japanese Inventor)

ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,227,523, issued on Feb. 18, was assigned to SAMSUNG DISPLAY Co. LTD. (Yongin-si, South Korea).

"Luminescence device and polycyclic compound for luminescence device" was invented by XiuLan Jin (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a luminescence device including a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, wherein the hole transport region may include a polycyclic compound represented by Formula 1, thereby...