Organic light emitting display device

1. An organic light emitting display device, comprising:

at least one light emitting part between an anode and a cathode, 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 hole injection layer,

wherein the hole injection layer comprises a compound represented by Chemical Formula 2:

in the Chemical Formula 2, R 1 to R 6 include 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 1 to 12 carbon atoms, a cyano group, a fluorine group, a trifluoromethyl group, a trifluoromethoxy group, and a trimethylsilyl group, and at least one of R 1 to R 6 comprises a cyano group, and

in Chemical Formula 2, Z 1 and Z 2 are independently represented by the following Chemical Formula 3:

where A and B independently represent 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 1 to 12 carbon atoms, a cyano group, a fluorine group, a trifluoromethyl group, a trifluoromethoxy group, and a trimethylsilyl group,

wherein Z 1 and Z 2 are attached via a double bond between a carbon atom bound to A and B of Chemical Formula 3 and the indacene ring of Chemical Formula 2.

2. The organic light emitting display device of claim 1 , wherein the substituent of the aryl group, heteroaryl group, alkyl group, alkoxy group, and ether group is one among 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, and a trimethylsilyl group.

3. The organic light emitting display device of claim 1 , wherein the compound represented by the above Chemical Formula 2 is one among the following compounds:

4. The organic light emitting display device of claim 1 , wherein a dopant of the hole injection layer includes the compound.

5. An organic light emitting display device, comprising:

at least one light emitting part between an anode and a cathode, the at least one light emitting part having a hole injection layer and a light emitting layer; and

a charge generation layer having a P-type charge generation layer between the at least one light emitting part and the cathode,

wherein the hole injection layer comprises a compound represented by Chemical Formula 2:

in the Chemical Formula 2, R 1 to R 6 each independently represents 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 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 up to 12 carbon atoms, a cyano group, a fluorine group, a trifluoromethyl group, a trifluoromethoxy group, and a trimethylsilyl group, and at least one among R 1 to R 6 comprises a cyano group, and

in Chemical Formula 2, Z 1 and Z 2 are independently represented by the following Chemical Formula 3:

where A and B independently represent one among a hydrogen atom, a substituted or unsubstituted aryl group with 6 to 12 carbon atoms, a substituted or unsubstituted heteroaryl group with up 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 up to 12 carbon atoms, a cyano group, a fluorine group, a trifluoromethyl group, a trifluoromethoxy group, and a trimethylsilyl group,

wherein Z 1 and Z 2 are attached via a double bond between a carbon atom bound to A and B of Chemical Formula 3 and the indacene ring of Chemical Formula 2.

6. The organic light emitting display device of claim 5 , wherein the substituent of the aryl group, heteroaryl group, alkyl group, alkoxy group, and ether group is one among 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, and a trimethylsilyl group.

7. The organic light emitting display device of claim 5 , wherein the compound represented by the above Chemical Formula 2 is one among the following compounds:

8. The organic light emitting display device of claim 5 , wherein a dopant of the hole injection layer includes the compound.

9. The organic light emitting display device of claim 5 , wherein a dopant of the P-type charge generation layer includes the compound.

10. The organic light emitting display device of claim 5 , wherein the P-type charge generation layer includes the compound.

11. An organic light emitting display device, comprising:

a first and second light emitting part between an anode and a cathode, the at least one light emitting part having a hole injection layer and a light emitting layer; and

a charge generation layer having a P-type charge generation layer between the first light emitting part and the second light emitting part,

wherein the hole injection layer comprises a compound represented by Chemical Formula 2:

where R 1 to R 6 each independently represents 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 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 1 to 12 carbon atoms, a cyano group, a fluorine group, a trifluoromethyl group, a trifluoromethoxy group, and a trimethylsilyl group, and at least one among R 1 to R 6 comprises a cyano group, and

Z 1 and Z 2 are independently represented by the following Chemical Formula 3:

where A and B independently represent one among a hydrogen atom, a substituted or unsubstituted aryl group with 6 to 12 carbon atoms, a substituted or unsubstituted heteroaryl group with up 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 up to 12 carbon atoms, a cyano group, a fluorine group, a trifluoromethyl group, a trifluoromethoxy group, and a trimethylsilyl group,

wherein Z 1 and Z 2 are attached via a double bond between a carbon atom bound to A and B of Chemical Formula 3.

12. The organic light emitting display device of claim 11 , further comprising:

a third light emitting part on the second light emitting part; and

a second charge generation layer having a second P-type charge generation layer between the second light emitting part and the third light emitting part,

wherein at least one among the hole injection layer, the P-type charge generation layer, and the second P-type generation layer comprises the compound.