Organic electrolumescence device

Abstract

Materials for organic electroluminescence devices are represented by following general formula [1]: wherein A represents a chrysene group, X 1 to X 4 each independently represent a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, X 1 and X 2 may be bonded to each other, X 3 and X 4 may be bonded to each other, Y 1 to Y 4 each independently represent an organic group represented by general formula [2], a to d each represent an integer of 0 to 2 and, a+b+c+d≧0; general formula [2] being: wherein R 1 to R 4 each independently represent hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, cyano group or form a triple bond by a linkage of R 1 and R 2 or R 3 and R 4 , Z represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms and n represents 0 or 1.

1 . A material for an organic electroluminescence device represented by formula (4): 
     
       
         
         
             
             
         
       
       wherein X 1  to X 4  each independently represent a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, X 1  and X 2  may be bonded to each other, X 3  and X 4  may be bonded to each other, Y 1  to Y 4  each independently represent an organic group represented by formula (2), a to d each represent an integer of 0 to 2 with the proviso that a+b+c+d≧0; 
     
     
       
         
         
             
             
         
       
       wherein R 1  to R 4  are each independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, cyano group or form a triple bond by a linkage of R 1  and R 2  or R 3  and R 4 , Z represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, and n represents 0 or 1. 
     
   
   
       2 . A dopant material for an organic electroluminescence device represented by formula (4): 
     
       
         
         
             
             
         
       
       wherein X 1  to X 4  each independently represent a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, X 1  and X 2  may be bonded to each other, X 3  and X 4  may be bonded to each other, Y 1  to Y 4  each independently represent an organic group represented by formula (2), a to d each represent an integer of 0 to 2 with the proviso that a+b+c+d≧0; 
     
     
       
         
         
             
             
         
       
       wherein R 1  to R 4  are each independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, cyano group or form a triple bond by a linkage of R 1  and R 2  or R 3  and R 4 , Z represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, and n represents 0 or 1. 
     
   
   
       3 . A hole-transporting material for an organic electroluminescence device represented by formula (4): 
     
       
         
         
             
             
         
       
       wherein X 1  to X 4  each independently represent a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, X 1  and X 2  may be bonded to each other, X 3  and X 4  may be bonded to each other, Y 1  to Y 4  each independently represent an organic group represented by formula (2), a to d each represent an integer of 0 to 2 with the proviso that a+b+c+d≧0; 
     
     
       
         
         
             
             
         
       
       wherein R 1  to R 4  are each independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, cyano group or form a triple bond by a linkage of R 1  and R 2  or R 3  and R 4 , Z represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, and n represents 0 or 1. 
     
   
   
       4 . The material for an electroluminescence device according to  claim 1 , wherein in formula (4) a+b+c+d=0. 
   
   
       5 . The dopant material for an electroluminescence device according to  claim 2 , wherein in formula (4) a+b+c+d=0. 
   
   
       6 . The hole-transporting material for an electroluminescence device according to  claim 3 , wherein in formula (4) a+b+c+d=0. 
   
   
       7 . A material for a blue-light emitting organic electroluminescent device comprising the material of  claim 1 . 
   
   
       8 . A dopant material for a blue-light emitting organic electroluminescent device comprising the dopant material of  claim 2 . 
   
   
       9 . A hole-transporting material for a blue-light emitting organic electroluminescent device comprising the hole-transporting material of  claim 3 .