Organic Light Emitting Display Device

Abstract

An organic light emitting display device is provided. The organic light emitting display device may include at least one light emitting part between an anode and a cathode, and the at least one light emitting part having at least one organic layer and a light emitting layer, wherein the at least one organic layer comprises a compound represented by Chemical Formula 1 or 2.

1 . A compound represented by Chemical Formula 1: 
       
         
           
           
               
               
           
         
         wherein each of R 1  and R 4  is independently one among a substituted or unsubstituted alkoxy group with 1 to 12 carbon atoms, a substituted or unsubstituted ether group with 2 to 12 carbon atoms, a cyano group, a fluorine group, a trifluoromethoxy group, and a trimethylsilyl group, and 
         wherein each of R 2 , R 3 , R 5  and R 6  is independently one among hydrogen, a substituted or unsubstituted aryl group with 6 to 12 carbon atoms, a substituted or unsubstituted heteroaryl group with 1 to 12 carbon atoms and 1 to 4 heteroatoms one among O, N, S, and Si, a substituted or unsubstituted alkyl group with 1 to 12 carbon atoms, a substituted or unsubstituted alkoxy group with 1 to 12 carbon atoms, a substituted or unsubstituted ether group with 2 to 12 carbon atoms, a cyano group, a fluorine group, a trifluoromethyl group, a trifluoromethoxy group, and a trimethylsilyl group, 
         wherein at least one of R 1  to R 6  is a cyano group, 
         wherein Z 1  and Z 2  are independently represented by the following Chemical Formula 2: 
       
       
         
           
           
               
               
           
         
         wherein each of A and B is independently one among a hydrogen atom, a substituted or unsubstituted aryl group with 6 to 12 carbon atoms, a substituted or unsubstituted heteroaryl group with 1 to 12 carbon atoms and 1 to 4 heteroatoms one among O, N, S, and Si, a substituted or unsubstituted alkyl group with 1 to 12 carbon atoms, a substituted or unsubstituted alkoxy group with 1 to 12 carbon atoms, a substituted or unsubstituted ether group with 2 to 12 carbon atoms, a cyano group, a fluorine group, a trifluoromethyl group, a trifluoromethoxy group, and a trimethylsilyl group, and 
         wherein Chemical Formula 2 attaches to the structure of Chemical Formula 1 at a carbon between A and B of Chemical Formula 2 through a double bond of Chemical Formula 1. 
       
     
     
         2 . The compound of  claim 1 , wherein a substituent of the substituted aryl group, the substituted heteroaryl group, the substituted alkyl group, the substituted alkoxy group, or the substituted ether group includes an alkyl with 1 to 12 carbon atoms, an aryl with 6 to 15 carbon atoms, a hetero alkyl with 1 to 15 carbon atoms and 1 to 4 heteroatoms one among O, N, S, and Si, a cyano group, a fluorine group, a trifluoromethyl group, a trifluoromethoxy group, or a trimethylsilyl group. 
     
     
         3 . The compound of  claim 1 , wherein A is different from B. 
     
     
         4 . The compound of  claim 1 , wherein the compound represented by Chemical Formula 1 is one among the following compounds: 
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
       
     
     
         5 . An organic light emitting display device, comprising:
 an anode;   a cathode;   a hole injection layer on the cathode;   a first light emitting part including a first light emitting layer and disposed between the anode and the cathode;   a second light emitting part including a second light emitting layer and disposed between the first light emitting part and the cathode; and   a first P-type charger generation layer disposed between the first and second light emitting parts,   wherein at least one of the hole injection layer and the first P-type charger generation layer comprises the compound of  claim 1 .   
     
     
         6 . The organic light emitting display device of  claim 5 , wherein:
 the first light emitting layer emits light of a color of at least one among red, green, and blue; and   the second light emitting layer emits light of a color of at least one among red, green, and blue.   
     
     
         7 . The organic light emitting display device of  claim 5 , wherein the first light emitting layer and the second light emitting layer emit light of the same color. 
     
     
         8 . The organic light emitting display device of  claim 5 , wherein the first P-type charge generation layer includes the compound represented by Chemical Formula 1 as a dopant. 
     
     
         9 . The organic light emitting display device of  claim 5 , wherein the compound includes one among the following compounds: 
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
       
     
     
         10 . The organic light emitting display device of  claim 5 , wherein:
 the first light emitting layer includes a blue light emitting layer, a dark blue emitting layer, a sky blue emitting layer, a combination of a blue light emitting layer and a red light emitting layer, a combination of a blue light emitting layer and a yellow-green emitting layer, or a combination of a blue light emitting layer and a green emitting layer; and   the second light emitting layer includes a yellow-green emitting layer, a green emitting layer, a combination of a yellow-green emitting layer and a green emitting layer, a combination of a yellow emitting layer and a red emitting layer, a combination of a green emitting layer and a red emitting layer, or a combination of a yellow-green emitting layer and a red emitting layer.   
     
     
         11 . The organic light emitting display device of  claim 5 ,
 further comprising:   a third light emitting part between the second light emitting part and the cathode.   
     
     
         12 . The organic light emitting display device of  claim 11 , wherein:
 the first light emitting layer includes a blue light emitting layer, a dark blue emitting layer, a sky blue emitting layer, a combination of a blue light emitting layer and a red light emitting layer, a combination of a blue light emitting layer and a yellow-green emitting layer, or a combination of a blue light emitting layer and a green emitting layer;   the second light emitting layer includes a yellow-green emitting layer, a green emitting layer, a combination of a yellow-green emitting layer and a green emitting layer, a combination of a yellow emitting layer and a red emitting layer, a combination of a green emitting layer and a red emitting layer, or a combination of a yellow-green emitting layer and a red emitting layer; and   the third light emitting layer includes a blue light emitting layer, a dark blue emitting layer, a sky blue emitting layer, a combination of a blue light emitting layer and a red light emitting layer, a combination of a blue light emitting layer and a yellow-green emitting layer, or a combination of a blue light emitting layer and a green emitting layer.   
     
     
         13 . The organic light emitting display device of  claim 11 , further comprising a second P-type charge generation layer between the second light emitting part and the third light emitting part,
 wherein the second P-type charge generation layer includes the compound represented by Chemical Formula 1 as a dopant.