申请人:Takizawa Hiroo
公开号:US20120153816A1
公开(公告)日:2012-06-21
To provide an organic electroluminescence device having high luminous efficiency (for example, external quantum efficiency) and high durability and causing little chromaticity shift after device deterioration.
An organic electroluminescence device material comprising a substrate having thereon a pair of electrode and at least one organic layer between the electrodes, the organic layer containing a light emitting layer, wherein any one layer of the organic layer contains, for example, as shown below, a metal complex having a group represented by formula (I).