US Patent Issued to IDEMITSU KOSAN on March 25 for "Organic electroluminescence device and novel compound" (Japanese Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,262,634, issued on March 25, was assigned to IDEMITSU KOSAN Co. LTD. (Tokyo).

"Organic electroluminescence device and novel compound" was invented by Ryota Takahashi (Sodegaura, Japan), Hidetsugu Ikeda (Sodegaura, Japan), Keita Seda (Sodegaura, Japan) and Yuki Nakano (Sodegaura, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An organic electroluminescence device comprising: a cathode, an anode, and at least one organic layer disposed between the cathode and the anode, wherein at least one layer of the at least one organic layer comprises a compound represented by the following formulas (1-1) and (1-3) or a compound represented by the following fo...