AMINE-BASED COMPOUND, ORGANIC LIGHT EMITTING DEVICE COMPRISING THE AMINE-BASED COMPOUND, AND FLAT PANEL DISPLAY DEVICE INCLUDING THE ORGANIC LIGHT EMITTING DEVICE

1 . An amine-based compound represented by Formula 1,

wherein Ar is a substituted or unsubstituted C 6 -C 30 aryl group, a substituted or unsubstituted C 6 -C 20 aryloxy group, a substituted or unsubstituted C 4 -C 20 heteroaryl group, or a substituted or unsubstituted C 4 -C 20 condensed polycyclic group,

R 1 is hydrogen, a substituted or unsubstituted C 1 -C 20 alkyl group, a substituted or unsubstituted C 1 -C 20 alkoxy group, a substituted or unsubstituted C 6 -C 30 aryl group, a substituted or unsubstituted C 4 -C 20 heteroaryl group, or a substituted or unsubstituted C 4 -C 20 condensed polycyclic group,

each of R 2 and R 3 is independently hydrogen, a substituted or unsubstituted C 1 -C 20 alkyl group, a substituted or unsubstituted C 1 -C 20 alkoxy group, a substituted or unsubstituted C 6 -C 30 aryl group, a substituted or unsubstituted C 4 -C 20 condensed polycyclic group, fluorine, a cyano group, or an amino group, and

each of R 4 , R 5 , R 6 , and R 7 is independently hydrogen, a substituted or unsubstituted C 1 -C 20 alkyl group, a substituted or unsubstituted C 1 -C 20 alkoxy group, or a substituted or unsubstituted C 6 -C 30 aryl group.

2 . The amine-based compound of claim 1 , wherein Ar is a substituted or unsubstituted C 6 -C 16 aryl group, or a substituted or unsubstituted C 4 -C 16 heteroaryl group.

3 . The amine-based compound of claim 1 , wherein Ar is a phenyl group, a biphenyl group, a terphenyl group, a naphthyl group, a pentalenyl group, an indenyl group, an anthracenyl group, an azulenyl group, a heptalenyl group, an acenaphthylenyl group, a fluorenyl group, a penanthrenyl group, a triphenylenyl group, a naphthacenyl group, a phenalenyl group, a pyrenyl group, a pentaphenyl group, a hexaphenyl group, a pyridinyl group, a quinolinyl group, a pyrazinyl group, a pyrimidinyl group, or a carbazolyl group, each of which may be unsubstituted or substituted with a halogen atom, a cyano group, an amino group, a (C 1 -C 10 alkyl)amino group, a di(C 1 -C 10 alkyl)amino group, a (C 6 -C 14 aryl)amino group, a di(C 6 -C 14 aryl)amino group, a C 1 -C 10 alkyl group, a C 1 -C 10 alkoxy group, a C 6 -C 14 aryloxy group, a C 6 -C 14 aryl group, or a C 6 -C 14 aryl group substituted with a C 6 -C 14 aryl substituent.

4 . The amine-based compound of claim 1 , wherein Ar is represented by any of Formulae 2a through 2q:

wherein each of Q 1 and Q 2 is independently hydrogen, fluorine, a cyano group, an amino group, a C 1 -C 10 alkyl group, a C 1 -C 10 alkoxy group, or a C 6 -C 14 aryl group, and * represents a binding site with the N of Formula 1.

5 . The amine-based compound of claim 1 , wherein R 1 is a substituted or unsubstituted C 6 -C 14 aryl group.

6 . The amine-based compound of claim 1 , wherein R 1 is a phenyl group, a naphthyl group, a pentalenyl group, an indenyl group, an anthracenyl group, an azulenyl group, a heptalenyl group, an acenaphthylenyl group, a fluorenyl group, a penanthrenyl group, a triphenylenyl group, a naphthacenyl group, a phenalenyl group, a pyrenyl group, a pentaphenyl group, or a hexaphenyl group, each of which may be unsubstituted or substituted with a halogen atom, a cyano group, an amino group, a (C 1 -C 10 alkyl)amino group, a di(C 1 -C 10 alkyl)amino group, a (C 6 -C 14 aryl)amino group, a di(C 6 -C 14 aryl)amino group, a C 1 -C 10 alkyl group, a C 1 -C 10 alkoxy group, a C 6 -C 14 aryloxy group, a C 6 -C 14 aryl group, or a C 6 -C 14 aryl group substituted with a C 6 -C 14 aryl substituent.

7 . The amine-based compound of claim 1 , wherein R 1 is a phenyl group, a naphthyl group, a halophenyl group, or a phenyl group substituted with a phenyl substituent.

8 . The amine-based compound of claim 1 , wherein each of R 2 and R 3 is independently hydrogen, fluorine, a cyano group, an amino group, a C 1 -C 10 alkyl group, or a C 1 -C 10 alkoxy group.

9 . The amine-based compound of claim 1 , wherein each of R 4 through R 7 is independently hydrogen, a C 1 -C 10 alkyl group, a C 1 -C 10 alkoxy group, or a C 6 -C 14 aryl group.

10 . The amine-based compound of claim 1 , wherein Formula 1 is represented by any one of the following formulae:

11 . An organic light emitting device comprising: a first electrode; a second electrode; and an organic film between the first electrode and the second electrode, wherein the organic film comprises the amine-based compound according to claim 1 .

12 . The organic light emitting device of claim 11 , wherein the organic film comprises a hole injection layer or a hole transport layer.

13 . The organic light emitting device of claim 11 , wherein the organic film comprises a single film having both hole injection and hole transport capabilities.

14 . The organic light emitting device of claim 11 , wherein the organic film comprises an emissive layer.

15 . The organic light emitting device of claim 11 , wherein the organic film further comprises a layer selected from the group consisting of hole injection layers, hole transport layers, electron blocking layers, emissive layers, hole blocking layers, electron transport layers, electron injection layers, and combinations thereof.

16 . The organic light emitting device of claim 15 , wherein the organic light emitting device has a first electrode/hole injection layer/emissive layer/second electrode structure, a first electrode/hole injection layer/hole transport layer/emissive layer/electron transport layer/second electrode structure, or a first electrode/hole injection layer/hole transport layer/emissive layer/electron transport layer/electron injection layer/second electrode structure.

17 . A flat panel display device comprising the organic light emitting device of claim 11 and a thin-film transistor, wherein the first electrode of the organic light emitting device is electrically connected to a source electrode or a drain electrode of the thin-film transistor.