申请人:UDC IRELAND LIMITED
公开号:US20190355918A1
公开(公告)日:2019-11-21
An organic electroluminescent device, which has a pair of electrodes and at least one organic layer including a luminescent layer between the pair of electrodes, wherein at least one layer between the pair of electrodes comprises at least one metal complex having a tridentate- or higher polydentate-chain structure ligand.