AN ELECTRON TRANSPORT MATERIAL AND AN ORGANIC ELECTROLUMINESCENCE DEVICE COMPRISING THE SAME
                        
                            
                                申请人:Rohm and Haas Electronic Materials Korea Ltd.
                            
                            
                                公开号:US20170077415A1
                            
                            
                                公开(公告)日:2017-03-16
                            
                            The present invention relates to an organic electroluminescent device comprising an electron transport material which comprises a compound having a specific structure. The organic electroluminescent device comprising the electron transport material of the present invention provides low driving voltage, high luminous efficiency, excellent lifespan characteristics, and excellent color coordination to efficiently emit blue light.