LUMINESCENT MATERIAL FOR DELAYED FLUORESCENCE AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
申请人:Rohm and Haas Electronic Materials Korea Ltd.
公开号:US20180190912A1
公开(公告)日:2018-07-05
The present invention relates to a luminescent material for delayed fluorescence and an organic electroluminescent device comprising the same. By using the luminescent material for delayed fluorescence according to the present invention, an organic electroluminescent device having long lifespan, low driving voltage, excellent color purity, and significantly improved luminous efficiency such as current efficiency is provided.