Thiadiazole-based compound, light emitting element compound, light emitting element, light emitting device, authentication device, and electronic device

Abstract

Provided is a thiadiazole compound with high efficiency and long life which emits light in a near-infrared region and represented by Formula (I). In the Formula (I), As each independently represent an aryl group which may have a substituent or a diarylamino group.

1 . A light emitting element comprising:
 an anode,   a cathode, and   a light emitting layer that is installed between the anode and the cathode and emits light by applying an electric voltage between the anode and the cathode, wherein
 the light emitting layer comprises a compound represented by following Formula (1) as a light emitting material, 
   
       
         
           
           
               
               
           
         
         
           
             wherein, in the Formula (1), A independently comprises a diarylamino group, and 
             each B independently represents a phenyl group, and 
           
           the light emitting layer further comprises a compound represented by following Formula H2-61 as a host material. 
         
       
       
         
           
           
               
               
           
         
       
     
     
         2 . A light emitting element comprising:
 an anode,   a cathode, and   a light emitting layer that is installed between the anode and the cathode and emits light by applying an electric voltage between the anode and the cathode, wherein
 the light emitting layer comprises a compound represented by following Formula (1) as a light emitting material, 
   
       
         
           
           
               
               
           
         
         
           
             wherein, in the Formula (1), A independently comprises a diarylamino group, and 
             each B independently represents a phenyl group, and 
           
           the light emitting layer further comprises a compound represented by following Formula H2-66 as a host material. 
         
       
       
         
           
           
               
               
           
         
       
     
     
         3 . A light emitting device comprising:
 the light emitting element according to  claim 1 .   
     
     
         4 . An authentication device comprising:
 the light emitting element according to  claim 1 .   
     
     
         5 . An electronic device comprising:
 the light emitting element according to  claim 1 .   
     
     
         6 . A light emitting device comprising:
 the light emitting element according to  claim 2 .   
     
     
         7 . An authentication device comprising:
 the light emitting element according to  claim 2 .   
     
     
         8 . An electronic device comprising:
 the light emitting element according to  claim 2 .