ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,477,945, issued on Nov. 18, was assigned to IDEMITSU KOSAN Co. LTD. (Tokyo).
"Organic electroluminescence device and electronic apparatus equipped 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 including a cathode, an anode, and an emitting layer disposed between the cathode and the anode, wherein the emitting layer contains one or both of the compound represented by the following formula (1A) and the compound represented...