Compounds for an organic electroluminescent device and an organic electroluminescent device using the same
                        
                            
                                申请人:Lai Chun-Liang
                            
                            
                                公开号:US20070152568A1
                            
                            
                                公开(公告)日:2007-07-05
                            
                            The present invention relates to a compound represented by formula (1),
wherein each of R
1
and R
2
, which may be identical or different, is selected from hydrogen, C
1
-C
4
alkyl, C
1
-C
4
alkoxy, C
1
-C
4
alkylthio, unsubstituted C
6
-C
12
aryl or C
6
-C
12
aryl substituted by C
1
-C
4
alkyl or C
1
-C
4
alkoxy or C
12
-C
20
diarylamino; and each of m and n is selected from an integer 0, 1, 2 or 3. The present invention also relates to an organic EL device using said compound as a dopant in at least one luminescent layer.