Substituted bipyridines for use in light-emitting devices

Abstract

A compound represented by Formula 1 Het 1 -Bpy-Het 2 is disclosed, wherein Bpy is optionally substituted 2,2′-bipyridinyl or optionally substituted 3,3′-bipyridinyl; and Het 1 and Het 2 are independently optionally substituted benzimidazol-2-yl or optionally substituted benzoxazol-2-yl. An organic light-emitting diode device comprising an organic component comprising a light-emitting component and a compound represented by Formula 1 is also disclosed.

What is claimed is: 
     
         1 . A compound represented by Formula 1:
   Het 1 -Bpy-Het 2   (Formula 1)
   wherein Bpy is optionally substituted   
       
         
           
           
               
               
           
         
       
       or optionally substituted 
       
         
           
           
               
               
           
         
       
       and
 Het 1  and Het 2  are independently optionally substituted 1-arylbenzimidazol-2-yl or optionally substituted benzoxazol-2-yl. 
 
     
     
         2 . The compound of  claim 1 , wherein Bpy is: 
       
         
           
           
               
               
           
         
         wherein R 1 , R 2 , R 3 , R 4 , R 5 , and R 6  are independently selected from the group consisting of H, C 1-12  alkyl, and optionally substituted phenyl. 
       
     
     
         3 . The compound of  claim 2 , wherein R 1 , R 2 , R 3 , R 4 , R 5 , and R 6  are H. 
     
     
         4 . The compound of  claim 1 , wherein Bpy is: 
       
         
           
           
               
               
           
         
         wherein R 1 , R 2 , R 3 , R 4 , R 5 , and R 6  are independently selected from the group consisting of H, C 1-12  alkyl, and optionally substituted phenyl. 
       
     
     
         5 . The compound of  claim 4 , wherein R 1 , R 2 , R 3 , R 4 , R 5 , and R 6  are H. 
     
     
         6 . The compound of  claim 1 , wherein Het 1  is: 
       
         
           
           
               
               
           
         
         wherein R ∘  is optionally substituted aryl; 
         R 7 , R 8 , R 9 , and R 10  are independently selected from the group consisting of H, C 1-12  alkyl, and optionally substituted phenyl. 
       
     
     
         7 . The compound of  claim 6 , wherein R 7 , R 8 , R 9 , and R 10  are H. 
     
     
         8 . The compound of  claim 6 , wherein Het 1  is: 
       
         
           
           
               
               
           
         
         wherein R 15 , R 16 , R 17 , R 18 , and R 19  are independently selected from the group consisting of H, C 1-12  alkyl, and optionally substituted phenyl. 
       
     
     
         9 . The compound of  claim 8 , wherein R 7 , R 8 , R 9 , R 10 , R 15 , R 16 , R 17 , R 18 , and R 19  are H. 
     
     
         10 . The compound of  claim 1 , wherein Het 1  is: 
       
         
           
           
               
               
           
         
         wherein R 7 , R 8 , R 9 , and R 10  are independently selected from the group consisting of H, C 1-12  alkyl, and optionally substituted phenyl. 
       
     
     
         11 . The compound of  claim 10 , wherein R 7 , R 8 , R 9 , and R 10  are H. 
     
     
         12 . The compound of  claim 1 , wherein Het 2  is: 
       
         
           
           
               
               
           
         
         wherein R ø  is optionally substituted aryl; 
         R 11 , R 12 , R 13 , and R 14  are independently selected from the group consisting of H, C 1-12  alkyl, and optionally substituted phenyl. 
       
     
     
         13 . The compound of  claim 12 , wherein R 11 , R 12 , R 13 , and R 14  are H. 
     
     
         14 . The compound of  claim 12 , wherein Het 2  is: 
       
         
           
           
               
               
           
         
         wherein R 20 , R 21 , R 22 , R 23 , and R 24  are independently selected from the group consisting of H, C 1-12  alkyl, and optionally substituted phenyl. 
       
     
     
         15 . The compound of  claim 14 , wherein R 11 , R 12 , R 13 , R 14 , R 20 , R 21 , R 22 , R 23 , and R 24  are H. 
     
     
         16 . The compound of  claim 1 , wherein Het 2  is: 
       
         
           
           
               
               
           
         
         wherein R 11 , R 12 , R 13 , and R 14  are independently selected from the group consisting of H, C 1-12  alkyl, and optionally substituted phenyl. 
       
     
     
         17 . The compound of  claim 16 , wherein R 11 , R 12 , R 13 , and R 14  are H. 
     
     
         18 . The compound of  claim 1 , selected from the group consisting of: 
       
         
           
           
               
               
           
         
       
     
     
         19 . An organic light-emitting diode device comprising: an organic component comprising a light-emitting component and a compound according to  claim 1 , wherein the compound is a host compound. 
     
     
         20 . The organic light-emitting device of  claim 19 , wherein the organic component comprises an electron-injecting layer comprising the host compound, an electron-transporting layer comprising the host compound, or an electron-injecting-and transporting layer comprising the host compound. 
     
     
         21 . A composition comprising at least 50% by weight of a compound according to  claim 1 .