ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,613, issued on July 29, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).
"Organic electroluminescence device and polycyclic compound for organic electroluminescence device" was invented by Ryuhei Furue (Yokohama, Japan), Hirokazu Kuwabara (Yokohama, Japan), Makoto Yamamoto (Yokohama, Japan), Yuji Suzaki (Yokohama, Japan) and Yuuki Miyazaki (Yokohama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An organic electroluminescence device of one or more embodiments includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport regi...