申请人:Watanabe Kousuke
公开号:US20130270530A1
公开(公告)日:2013-10-17
An organic electroluminescence device having high efficiency, low in driving voltage and excellent in durability and a compound useful for the organic electroluminescence device are provided.
An organic electroluminescence device comprising, a substrate having thereon: a pair of electrodes of an anode and a cathode; and at least one organic layer comprising a light-emitting layer between the pair of electrodes, and the light-emitting layer contains at least one kind of a phosphorescent material, and at least either one layer of the at least one organic layer contains a specific compound having a dibenzothiophene or dibenzofuran structure, and the compound.