ELECTRON TRANSPORT MATERIAL AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
                        
                            
                                申请人:Rohm and Haas Electronic Materials Korea Ltd.
                            
                            
                                公开号:US20170207398A1
                            
                            
                                公开(公告)日:2017-07-20
                            
                            The present invention relates to an electron transport material comprising a compound of a certain structure, and an organic electroluminescent device comprising the same. The organic electroluminescent device comprising the electron transport material of the present invention has a low driving voltage, high luminous efficiency and good color purity, and thus effectively shows blue emission.