Composition for an organic optoelectric device

Abstract

A composition includes a first host compound including moieties represented by Chemical Formulae 1 to 3 that are sequentially bonded with each other, and a second host compound including at least one carbazole group with a substituent having hole characteristics,

1 - 12 . (canceled) 
     
     
         13 . A composition, comprising:
 a first host compound including moieties represented by the following Chemical Formulae 1 to 3 that are sequentially bonded with each other, and   a second host compound including at least one carbazole group with a substituent having hole characteristics,   
       
         
           
           
               
               
           
         
         wherein, in the Chemical Formulae 1 to 3, 
         X 1  may be *-Y 1 -ET, 
         X 2  may be *-Y 2 -Ar 1 , 
         ET may be a substituent for accepting an electron when an electric field is applied, 
         Ar 1  may be a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heteroaryl group, or a combination thereof, 
         Y 1  and Y 2  may each independently be a single bond, a substituted or unsubstituted C1 to C20 alkylene group, a substituted or unsubstituted C2 to C20 alkenylene group, a substituted or unsubstituted C6 to C30 arylene group, a substituted or unsubstituted C2 to C30 heteroarylene group, or a combination thereof, 
         L may be a substituted or unsubstituted C2 or C3 alkenylene group or a substituted or unsubstituted C6 to C20 arylene group, and 
         R 1  to R 4  may each independently be hydrogen, deuterium, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heteroaryl group, or a combination thereof, wherein the second host compound is represented by the following Chemical Formula 5: 
       
       
         
           
           
               
               
           
         
         wherein, in the Chemical Formula 5, 
         Ar 4  is a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heteroaryl group, or a combination thereof, 
         Y 5  is a single bond, a substituted or unsubstituted C1 to C20 alkylene group, a substituted or unsubstituted C2 to C20 alkenylene group, a substituted or unsubstituted C6 to C30 arylene group, a substituted or unsubstituted C2 to C30 heteroarylene group, or a combination thereof, and 
         R 12  to R 20  are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heteroaryl group, or a combination thereof. 
       
     
     
         14 . The composition as claimed in  claim 13 , wherein Ar 4  is a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted terphenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted anthracenyl group, a substituted or unsubstituted carbazolyl group, a substituted or unsubstituted benzofuranyl group, a substituted or unsubstituted benzothiophenyl group, a substituted or unsubstituted fluorenyl group, a substituted or unsubstituted dibenzofuranyl group, a substituted or unsubstituted dibenzothiophenyl group, or a combination thereof. 
     
     
         15 . The composition as claimed in  claim 13 , wherein the second host compound is one of compounds listed in the following Group 6: 
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
       
     
     
         16 . The composition as claimed in  claim 13 , wherein the second host compound is represented by the following Chemical Formula 6 and 7: 
       
         
           
           
               
               
           
         
         wherein, in the Chemical Formula 6 and 7, 
         Ar 5  is a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heteroaryl group, or a combination thereof, 
         Y 6  and Y 7  are each independently a single bond, a substituted or unsubstituted C1 to C20 alkylene group, a substituted or unsubstituted C2 to C20 alkenylene group, a substituted or unsubstituted C6 to C30 arylene group, a substituted or unsubstituted C2 to C30 heteroarylene group, or a combination thereof, and 
         R 21  to R 38  are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heteroaryl group, or a combination thereof. 
       
     
     
         17 . The composition as claimed in  claim 16 , wherein Ar 5  is a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted terphenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted anthracenyl group, a substituted or unsubstituted carbazolyl group, a substituted or unsubstituted benzofuranyl group, a substituted or unsubstituted benzothiophenyl group, a substituted or unsubstituted fluorenyl group, a substituted or unsubstituted dibenzothiophenyl group, a substituted or unsubstituted dibenzofuranyl group, or a combination thereof. 
     
     
         18 . The composition as claimed in  claim 16 , wherein the second host compound is one of compounds listed in the following Group 7: 
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
       
     
     
         19 - 25 . (canceled)