US Patent Issued to IDEMITSU KOSAN on Dec. 30 for "Organic electroluminescence device and electronic apparatus" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,514,115, issued on Dec. 30, was assigned to IDEMITSU KOSAN Co. LTD. (Tokyo).

"Organic electroluminescence device and electronic apparatus" was invented by Tasuku Haketa (Sodegaura, Japan) and Kazuki Nishimura (Sodegaura, Japan).

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