ALEXANDRIA, Va., June 6 -- United States Patent no. 12,284,916, issued on April 22, was assigned to IDEMITSU KOSAN Co. LTD. (Tokyo).

"Organic electroluminescence device and electronic apparatus provided with the same" was invented by Hiroaki Itoi (Sodegaura, Japan), Yuki Nakano (Sodegaura, Japan), Satomi Tasaki (Sodegaura, Japan), Taro Yamaki (Sodegaura, Japan) and Tetsuya Masuda (Sodegaura, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An organic electroluminescence device comprising: a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer comprises an emitting layer and a first layer, the first layer is disposed between the cathode and the emit...