NOVEL ORGANIC ELECTROLUMINESCENT COMPOUNDS AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME
                        
                            
                                申请人:Rohm and Haas Electronic Materials Korea Ltd.
                            
                            
                                公开号:US20140364625A1
                            
                            
                                公开(公告)日:2014-12-11
                            
                            The present invention relates to a novel organic electroluminescent compound and an organic electroluminescent device comprising the same. Using the organic electroluminescent compounds of the present invention as a phosphorescent host material, a hole transport material, and a mixed host material, it is possible to manufacture an OLED device with improved current efficiency.