ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,550,609, issued on Feb. 10, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).

"Material for organic electroluminescent device and organic electroluminescent device including the same" was invented by Hiroaki Itoi (Yokohama, Japan), Ichinori Takada (Yokohama, Japan), Koushin Matsuoka (Yokohama, Japan), Masatsugu Ueno (Yokohama, Japan), Naoya Sakamoto (Yokohama, Japan), Hiromi Nakano (Yokohama, Japan), Nobutaka Akashi (Yokohama, Japan), Hideo Miyake (Yokohama, Japan), Xiulan Jin (Yokohama, Japan), Asami Sakamoto (Yokohama, Japan) and Junta Fuchiwaki (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A material for an organic ...