Organic Compound, Light-Emitting Element, Display Module, Lighting Module, Light-Emitting Device, Display Device, Lighting Device, and Electronic Device

Abstract

A novel organic compound that can be used as a carrier-transport material, a host material, or a light-emitting material in a light-emitting element is provided. Specifically, an organic compound that can give a light-emitting element having favorable characteristics even when the organic compound is used in a light-emitting element emitting phosphorescence is provided. The organic compound has a bipyridine skeleton formed by two pyridine skeletons to each of which a dibenzothiophenyl group or a dibenzofuranyl group is bonded via an arylene group.

1 . (canceled) 
     
     
         2 . An organic compound represented by General Formula (G6), 
       
         
           
           
               
               
           
         
         wherein Ar 1  is bonded to a pyridine skeleton at 3 position, 
         wherein Ar 2  is bonded to the pyridine skeleton at 5 position, 
         wherein A 1  and A 2  separately represent any one of a dibenzofuranyl group and a dibenzothiophenyl group, 
         wherein Ar 1  and Ar 2  separately represent an arylene group having 6 to 13 carbon atoms, 
         wherein the pyridine skeleton comprises n substituents, 
         wherein the n substituents include Ar 1  and A 2 , and 
         wherein n is 2 or 4. 
       
     
     
         3 . The organic compound according to  claim 2 , wherein the organic compound is represented by General Formula (G7), 
       
         
           
           
               
               
           
         
         wherein Ar 1  and Ar 2  separately represent an arylene group having 6 to 13 carbon atoms, and 
         wherein Z represents any one of an oxygen atom and a sulfur atom. 
       
     
     
         4 . The organic compound according to  claim 2 , wherein the organic compound is represented by Structural Formula (300), 
       
         
           
           
               
               
           
         
       
     
     
         5 . The organic compound according to  claim 2 , wherein the organic compound is represented by Structural Formula (400), 
       
         
           
           
               
               
           
         
       
     
     
         6 . A light-emitting element comprising:
 a pair of electrodes; and   a layer comprising the organic compound according to  claim 2  between the pair of electrodes.   
     
     
         7 . The light-emitting element according to  claim 6 ,
 wherein the layer comprises at least a light-emitting layer, and   wherein the light-emitting layer comprises the organic compound.   
     
     
         8 . A display module comprising the light-emitting element according to  claim 6 . 
     
     
         9 . A lighting module comprising the light-emitting element according to  claim 6 . 
     
     
         10 . An electronic device comprising the light-emitting element according to  claim 6 . 
     
     
         11 . A light-emitting device comprising:
 the light-emitting element according to  claim 6 ; and   a unit for controlling the light-emitting element.   
     
     
         12 . A display device comprising:
 the light-emitting element according to  claim 6  in a display portion; and   a unit for controlling the light-emitting element.   
     
     
         13 . A lighting device comprising:
 the light-emitting element according to  claim 6  in a lighting portion; and   a unit for controlling the light-emitting element.   
     
     
         14 . An organic compound represented by General Formula (G8), 
       
         
           
           
               
               
           
         
         wherein R 41  is a group represented by General Formula (A-1), 
         wherein R 43  is a group represented by General Formula (A-2), 
         wherein R 40 , R 42  and R 44  separately represent any one of hydrogen, an alkyl group having 1 to 6 carbon atoms, and an aryl group having 6 to 13 carbon atoms, 
       
       
         
           
           
               
               
           
         
         wherein R 10  to R 16  and R 20  to R 26  separately represent any one of hydrogen, an alkyl group having 1 to 6 carbon atoms, and an aryl group having 6 to 13 carbon atoms, 
         wherein Ar 1  and Ar 2  separately represent an arylene group having 6 to 13 carbon atoms, and 
         wherein Z represents any one of an oxygen atom and a sulfur atom. 
       
     
     
         15 . The organic compound according to  claim 14 , wherein the organic compound is represented by General Formula (G10), 
       
         
           
           
               
               
           
         
         wherein R 40 , R 42 , R 44 , R 10  to R 16 , R 20  to R 26 , and R 30  to R 37  separately represent any one of hydrogen, an alkyl group having 1 to 6 carbon atoms, and an aryl group having 6 to 13 carbon atoms, and 
         wherein Z represents any one of an oxygen atom and a sulfur atom. 
       
     
     
         16 . A light-emitting element comprising:
 a pair of electrodes; and   a layer comprising the organic compound according to  claim 14  between the pair of electrodes.   
     
     
         17 . A light-emitting device comprising:
 the light-emitting element according to  claim 16 ; and   a unit for controlling the light-emitting element.   
     
     
         18 . A display device comprising:
 the light-emitting element according to  claim 16  in a display portion; and   a unit for controlling the light-emitting element.   
     
     
         19 . A lighting device comprising:
 the light-emitting element according to  claim 16  in a lighting portion; and   a unit for controlling the light-emitting element.