US Patent Issued to Samsung Display on Dec. 16 for "Organic electroluminescence device and heterocyclic compound for organic electroluminescence device" (Japanese Inventor)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,389, issued on Dec. 16, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).

"Organic electroluminescence device and heterocyclic compound for organic electroluminescence device" was invented by Naoya Sakamoto (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An organic electroluminescence device and a heterocyclic compound, the device including a first electrode; a hole transport region on the first electrode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a second electrode on the electron transport region, wherein the emission layer includes a heterocyclic compou...