Organic light-emitting device

1. An organic light-emitting device comprising:

a first electrode;

a second electrode disposed opposite to the first electrode;

a blue emission layer disposed between the first electrode and the second electrode;

a hole-transporting region disposed between the first electrode and the blue emission layer;

an electron-transporting region disposed between the blue emission layer and the second electrode; and

an interlayer disposed between the blue emission layer and the hole-transporting region; wherein the interlayer comprises a compound represented by Formula 1 below,

the hole-transporting region comprises at least one selected from a compound represented by Formula 2 below and a compound represented by Formula 3 below, and

the blue emission layer comprises a compound represented by Formula 4 below

wherein, in Formulae 1 and 4,

Ar 11 , Ar 111 , and Ar 112 are each independently selected from a substituted or unsubstituted C 3 -C 10 cycloalkylene group, a substituted or unsubstituted C 2 -C 10 heterocycloalkylene group, a substituted or unsubstituted C 3 -C 10 cycloalkenylene group, a substituted or unsubstituted C 2 -C 10 heterocycloalkenylene group, a substituted or unsubstituted C 6 -C 60 arylene group, or a substituted or unsubstituted C 2 -C 60 heteroarylene group;

c1 is an integer of 1 to 5;

R 13 and R 14 are each independently selected from a hydrogen, a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a substituted or unsubstituted C 1 -C 60 alkyl group, a substituted or unsubstituted C 2 -C 60 alkenyl group, a substituted or unsubstituted C 2 -C 60 alkynyl group, a substituted or unsubstituted C 1 -C 60 alkoxy group, a substituted or unsubstituted C 3 -C 10 cycloalkyl group, a substituted or unsubstituted C 2 -C 10 heterocycloalkyl group, a substituted or unsubstituted C 3 -C 10 cycloalkenyl group, a substituted or unsubstituted C 2 -C 10 heterocycloalkenyl group, a substituted or unsubstituted C 6 -C 60 aryl group, a substituted or unsubstituted C 6 -C 60 aryloxy group, a substituted or unsubstituted C 6 -C 60 arylthio group, a substituted or unsubstituted C 2 -C 60 heteroaryl group, —N(Q 1 )(Q 2 ), or —Si(Q 3 )(Q 4 )(Q 5 ) (wherein, Q 1 to Q 5 are each independently selected from a C 1 -C 60 alkyl group, a C 1 -C 60 alkoxy group, a C 6 -C 60 aryl group, and a C 2 -C 60 heteroaryl group);

R 11 , R 12 , and Ar 113 to Ar 116 are each independently selected from a hydrogen, a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxyl acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a substituted or unsubstituted C 1 -C 60 alkyl group, a substituted or unsubstituted C 2 -C 60 alkenyl group, a substituted or unsubstituted C 2 -C 60 alkynyl group, a substituted or unsubstituted C 3 -C 10 cycloalkyl group, a substituted or unsubstituted C 2 -C 10 heterocycloalkyl group, a substituted or unsubstituted C 3 -C 10 cycloalkenyl group, a substituted or unsubstituted C 2 -C 10 heterocycloalkenyl group, a substituted or unsubstituted C 6 -C 60 aryl group, a substituted or unsubstituted C 2 -C 60 heteroaryl group, or —Si(Q 3 )(Q 4 )(Q 5 ) (wherein, Q 3 to Q 5 are each independently selected from a C 1 -C 60 alkyl group, a C 1 -C 60 alkoxy group, a C 6 -C 60 aryl group, and a C 2 -C 60 heteroaryl group);

c2 and c3 are each independently an integer of 1 to 4;

A 1 is anthracene or pyrene,

g, h, i, and j are each independently an integer of 0 to 4,

provided that, the case of g, h, i, and j being 0 is excluded, and

wherein, in Formula 2,

Ar 1 to Ar 3 are each independently selected from a substituted or unsubstituted C 3 -C 10 cycloalkylene group, a substituted or unsubstituted C 2 -C 10 heterocycloalkylene group, a substituted or unsubstituted C 3 -C 10 cycloalkenylene group, a substituted or unsubstituted C 2 -C 10 heterocycloalkenylene group, a substituted or unsubstituted C 6 -C 60 arylene group, or a substituted or unsubstituted C 2 -C 60 heteroarylene group;

a1 to a3 are each independently an integer of 0 to 5;

R 1 to R 8 are each independently selected from hydrogen, a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a substituted or unsubstituted C 1 -C 60 alkyl group, a substituted or unsubstituted C 2 -C 60 alkenyl group, a substituted or unsubstituted C 2 -C 60 alkynyl group, a substituted or unsubstituted C 1 -C 60 alkoxy group, a substituted or unsubstituted C 3 -C 10 cycloalkyl group, a substituted or unsubstituted C 2 -C 10 heterocycloalkyl group, a substituted or unsubstituted C 3 -C 10 cycloalkenyl group, a substituted or unsubstituted C 2 -C 10 heterocycloalkenyl group, a substituted or unsubstituted C 6 -C 60 aryl group, a substituted or unsubstituted C 6 -C 60 aryloxy group, a substituted or unsubstituted C 6 -C 60 arylthio group, or a substituted or unsubstituted C 2 -C 60 heteroaryl group;

b 1 and b4 are each independently an integer of 1 to 4;

b2 and b3 are each independently an integer of 1 to 3; and

in Formula 3,

R 121 to R 124 are each independently selected from hydrogen, a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a substituted or unsubstituted C 1 -C 60 alkyl group, a substituted or unsubstituted C 2 -C 60 alkenyl group, a substituted or unsubstituted C 2 -C 60 alkynyl group, a substituted or unsubstituted C 1 -C 60 alkoxy group, a substituted or unsubstituted C 3 -C 60 cycloalkyl group, a substituted or unsubstituted C 6 -C 60 aryl group, a substituted or unsubstituted C 6 -C 60 aryloxy group, or a substituted or unsubstituted C 6 -C 60 arylthio group.

2. The organic light-emitting device of claim 1 , wherein the blue emission layer emits blue light by a fluorescent emission mechanism.

3. The organic light-emitting device of claim 1 , wherein the interlayer directly contacts each of the blue emission layer and the hole-transporting region.

4. The organic light-emitting device of claim 1 , wherein,

in Formulae 1 and 4, Ar 11 , Ar 111 , and Ar 112 are each independently,

a phenylene group, a pentalenylene group, an indenylene group, a naphthylene group, an azulenylene group, a heptalenylene group, an indacenylene group, an acenaphthylene group, a fluorenylene group, spiro-fluorenylene group, phenalenylene group, a phenanthrenylene group, an anthracenylene group, an fluoranthenylene group, a triphenylenylene group, a pyrenylene group, a chrysenylene group, a naphthacenylene group, a picenylene group, a perylenylene group, a pentaphenylene group, a hexacenylene group, a pyrrolylene group, an imidazolylene group, a pyrazolylene group, a pyridinylene group, a pyrazinylene group, a pyrimidinylene group, a pyridazinylene group, an isoindolylene group, an indolylene group, an indazolylene group, a purinylene group, a quinolinylene group, benzoquinolinylene group, a phthalazinylene group, a naphthyridinylene group, a quinoxalinylene group, a quinazolinylene group, a cinnolinylene group, a carbazolylene group, a phenanthridinylene group, an acridinylene group, a phenanthrolinylene group, a phenazinylene group, a benzooxazolylene group, a benzoimidazolylene group, a furanylene group, benzofuranylene group, thiophenylene group, benzothiophenylene group, a thiazolylene group, an isothiazolylenegroup, benzothiazolylene group, an isoxazolylene group, an oxazolylene group, a triazolylene group, a tetrazolylene group, an oxadiazolylene group, a triazinylene group, a benzooxazolylene group, dibenzofuranylene group, dibenzothiophenylene group, or a benzocarbazolyl group; or

a phenylene group, a pentalenylene group, an indenylene group, a naphthylene group, an azulenylene group, a heptalenylene group, an indacenylene group, an acenaphthylene group, a fluorenylene group, spiro-fluorenylene group, phenalenylene group, a phenanthrenylene group, an anthracenylene group, an fluoranthenylene group, a triphenylenylene group, a pyrenylene group, a chrysenylene group, a naphthacenylene group, a picenylene group, a perylenylene group, a pentaphenylene group, a hexacenylene group, a pyrrolylene group, an imidazolylene group, a pyrazolylene group, a pyridinylene group, a pyrazinylene group, a pyrimidinylene group, a pyridazinylene group, an isoindolylene group, an indolylene group, an indazolylene group, a purinylene group, a quinolinylene group, benzoquinolinylene group, a phthalazinylene group, a naphthyridinylene group, a quinoxalinylene group, a quinazolinylene group, a cinnolinylene group, a carbazolylene group, a phenanthridinylene group, an acridinylene group, a phenanthrolinylene group, a phenazinylene group, a benzooxazolylene group, a benzoimidazolylene group, a furanylene group, benzofuranylene group, thiophenylene group, benzothiophenylene group, a thiazolylene group, an isothiazolylene group, benzothiazolylene group, an isoxazolylene group, an oxazolylene group, a triazolylene group, a tetrazolylene group, an oxadiazolylene group, a triazinylene group, a benzooxazolylene group, dibenzofuranylene group, dibenzothiophenylene group, or a benzocarbazolyl group, each substituted with at least one substituent selected from,

a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a C 1 -C 20 alkyl group or a C 1 -C 20 alkoxy group;

a C 1 -C 20 alkyl group and a C 1 -C 20 alkoxy group, each substituted with at least one of a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, and a phosphoric acid or a salt thereof;

a C 6 -C 20 aryl group or a C 2 -C 20 heteroaryl group;

a C 6 -C 20 aryl group or C 2 -C 20 heteroaryl group, each substituted with at least one of a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, a C 1 -C 60 alkoxy group, a phenyl group, a naphthyl group, an anthracenyl group, a fluorenyl group, a dimethyl fluorenyl group, a diphenyl fluorenyl group, a carbazolyl group, a phenyl carbazolyl group, a pyridinyl group, a pyrimidinyl group, a pyrazinyl group, a pyridazinyl group, a triazinyl group, a quinolinyl group, or an isoquinolinyl group;

—N(Q 11 )(Q 12 ) or —Si(Q 13 )(Q 14 )(Q 15 ) (wherein, Q 11 to Q 15 are each independently selected from a C 1 -C 20 alkyl group, a C 1 -C 20 alkoxy group, a C 6 -C 20 aryl group, or a C 2 -C 20 heteroaryl group).

5. The organic light-emitting device of claim 1 , wherein,

in Formulae 1 and 4, Ar 11 , Ar 111 , and Ar 112 are each independently represented by any one of Formulae 10-1 to 10-24:

wherein, in Formulae 10-1 to 10-24 above,

Y 1 is O, S, C(R 21 )(R 22 ), or N(R 23 );

Z 1 , Z 2 , and R 21 to R 23 are each independently selected from

a hydrogen, a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a C 1 -C 20 alkyl group, or a C 1 -C 20 alkoxy group;

a C 1 -C 20 alkyl group and a C 1 -C 20 alkoxy group, each substituted with at least one of a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, or a phosphoric acid or a salt thereof;

a C 6 -C 20 aryl group or a C 2 -C 20 heteroaryl group;

a C 6 -C 20 aryl group or a C 2 -C 20 heteroaryl group, each substituted with at least one of a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, a C 1 -C 60 alkoxy group, a phenyl group, a naphthyl group, an anthracenyl group, a fluorenyl group, a dimethyl fluorenyl group, a diphenyl fluorenyl group, a carbazolyl group, a phenyl carbazolyl group, a pyridinyl group, a pyrimidinyl group, a pyrazinyl group, a pyridazinyl group, a triazinyl group, a quinolinyl group, or an isoquinolinyl group; and

—N(Q 11 )(Q 12 ), or —Si(Q 13 )(Q 14 )(Q 15 ) (wherein, Q 11 to Q 15 are each independently selected from a C 1 -C 20 alkyl group, a C 1 -C 20 alkoxy group, a C 6 -C 20 aryl group, or a C 2 -C 20 heteroaryl group);

wherein

d1 is an integer of 1 to 4;

d2 is an integer of 1 to 3;

d3 is an integer of 1 to 6;

d4 is an integer of 1 to 8;

d5 is 1 or 2; and

* and *′ represent connections to Ar 113 , Ar 114 , N, or A 1 in Formulas 1 and 4.

6. The organic light-emitting device of claim 5 , wherein

Z 1 , Z 2 , and R 21 to R 23 are each independently selected from

a hydrogen, a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a C 1 -C 20 alkyl group, or a C 1 -C 20 alkoxy group;

a C 1 -C 20 alkyl group and a C 1 -C 20 alkoxy group, each substituted with at least one of a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, or a phosphoric acid or a salt thereof;

a phenyl group, a naphthyl group, an anthracenyl group, a fluorenyl group, a carbazolyl group, a pyridinyl group, a pyrimidinyl group, a pyrazinyl group, a pyridazinyl group, a triazinyl group, a quinolinyl group, or an isoquinolinyl group;

a phenyl group, a naphthyl group, an anthracenyl group, a fluorenyl group, a carbazolyl group, a pyridinyl group, a pyrimidinyl group, a pyrazinyl group, a pyridazinyl group, a triazinyl group, a quinolinyl group, and an isoquinolinyl group, each substituted with at least one of a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a C 1 -C 20 alkyl group, a C 1 -C 20 alkoxy group, a phenyl group, a naphthyl group, an anthracenyl group, a fluorenyl group, a dimethyl fluorenyl group, a diphenyl fluorenyl group, a carbazolyl group, a phenyl carbazolyl group, a pyridinyl group, a pyrimidinyl group, a pyrazinyl group, a pyridazinyl group, a triazinyl group, a quinolinyl group, or an isoquinolinyl group;

—N(Q 11 )(Q 12 ) or —Si(Q 13 )(Q 14 )(Q 15 ) (wherein, Q 11 to Q 15 are each independently a C 1 -C 20 alkyl group, a C 1 -C 20 alkoxy group, a phenyl group, a naphthyl group, an anthracenyl group, a fluorenyl group, a dimethyl fluorenyl group, a diphenyl fluorenyl group, a carbazolyl group, a phenyl carbazolyl group, a pyridinyl group, a pyrimidinyl group, a pyrazinyl group, a pyridazinyl group, a triazinyl group, a quinolinyl group, or an isoquinolinyl group).

7. The organic light-emitting device of claim 1 , wherein,

in Formulae 1 and 4, Ar 11 , Ar 111 , and Ar 112 are each independently represented by any one of Formulae 11-1 to 11-11:

* and *′ represent connections to Ar 113 , Ar 114 , N, or A 1 in Formulas 1 and 4.

8. The organic light-emitting device of claim 1 , wherein,

in Formulae 1 and 4, R 11 to R 14 , and Ar 113 to Ar 116 are each independently selected from, a phenyl group, a pentalenyl group, an indenyl group, a naphthyl group, an azulenyl group, a heptalenyl group, an indacenyl group, an acenaphthyl group, a fluorenyl group, a spiro-fluorenyl group, a phenalenyl group, a phenanthrenyl group, an anthracenyl group, a fluoranthenyl group, a triphenylenyl group, a pyrenyl group, a chrysenyl group, a naphthacenyl group, a picenyl group, a perylenyl group, a pentaphenyl group, a hexacenyl group, a pyrrolyl group, an imidazolyl group, a pyrazolyl group, a pyridinyl group, a pyrazinyl group, a pyrimidinyl group, a pyridazinyl group, an isoindolyl group, an indolyl group, an indazolyl group, a purinyl group, a quinolinyl group, benzoquinolinyl group, a phthalazinyl group, a naphthyridinyl group, a quinoxalinyl group, a quinazolinyl group, a cinnolinyl group, a carbazolyl group, a phenanthridinyl group, an acridinyl group, a phenanthrolinyl group, a phenazinyl group, a benzooxazolyl group, a benzoimidazolyl group, a furanyl group, a benzofuranyl group, a thiophenyl group, a benzothiophenyl group, a thiazolyl group, an isothiazolyl group, a benzothiazolyl group, an isoxazolyl group, an oxazolyl group, a triazolyl group, a tetrazolyl group, an oxadiazolyl group, a triazinyl group, a benzooxazolyl group, a dibenzofuranyl group, a dibenzothiophenyl group, or a benzocarbazolyl group; or

a phenyl group, a pentalenyl group, an indenyl group, a naphthyl group, an azulenyl group, a heptalenyl group, an indacenyl group, an acenaphthyl group, a fluorenyl group, a spiro-fluorenyl group, a phenalenyl group, a phenanthrenyl group, an anthracenyl group, a fluoranthenyl group, a triphenylenyl group, a pyrenyl group, a chrysenyl group, a naphthacenyl group, a picenyl group, a perylenyl group, a pentaphenyl group, a hexacenyl group, a pyrrolyl group, an imidazolyl group, a pyrazolyl group, a pyridinyl group, a pyrazinyl group, a pyrimidinyl group, a pyridazinyl group, an isoindolyl group, an indolyl group, an indazolyl group, a purinyl group, a quinolinyl group, benzoquinolinyl group, a phthalazinyl group, a naphthyridinyl group, a quinoxalinyl group, a quinazolinyl group, a cinnolinyl group, a carbazolyl group, a phenanthridinyl group, an acridinyl group, a phenanthrolinyl group, a phenazinyl group, a benzooxazolyl group, a benzoimidazolyl group, a furanyl group, a benzofuranyl group, a thiophenyl group, a benzothiophenyl group, a thiazolyl group, an isothiazolyl group, a benzothiazolyl group, an isoxazolyl group, an oxazolyl group, a triazolyl group, a tetrazolyl group, an oxadiazolyl group, a triazinyl group, a benzooxazolyl group, a dibenzofuranyl group, a dibenzothiophenyl group, or a benzocarbazolyl group, each substituted with at least one substituent of,

a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a C 1 -C 20 alkyl group, or a C 1 -C 20 alkoxy group;

a C 1 -C 20 alkyl group or a C 1 -C 20 alkoxy group, each substituted with at least one of a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, or a phosphoric acid or a salt thereof;

a C 6 -C 20 aryl group or a C 2 -C 20 heteroaryl group;

a C 6 -C 20 aryl group or a C 2 -C 20 heteroaryl group, each substituted with at least one of a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, a C 1 -C 60 alkoxy group, a phenyl group, a naphthyl group, an anthracenyl group, a fluorenyl group, a dimethyl fluorenyl group, a diphenyl fluorenyl group, a carbazolyl group, a phenyl carbazolyl group, a pyridinyl group, a pyrimidinyl group, a pyrazinyl group, a pyridazinyl group, a triazinyl group, a quinolinyl group, or an isoquinolinyl group;

—N(Q 11 )(Q 12 ), or —Si(Q 13 )(Q 14 )(Q 15 ) (wherein, Q 11 to Q 15 are each independently a C 1 -C 20 alkyl group, a C 1 -C 20 alkoxy group, a C 6 -C 20 aryl group, or a C 2 -C 20 heteroaryl group).

9. The organic light-emitting device of claim 1 , wherein,

in Formulae 1 and 4, R 11 to R 14 , and Ar 113 to Ar 116 are each independently selected from any one of Formulae 12-1 to 12-22:

wherein, in Formulae 12-1 to 12-22,

Y 2 is O, S, C(R 25 )(R 26 ), or N(R 27 );

Z 11 to Z 14 and R 25 to R 27 are each independently selected from,

a hydrogen, a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a C 1 -C 20 alkyl group, or a C 1 -C 20 alkoxy group;

a C 1 -C 20 alkyl group and a C 1 -C 20 alkoxy group, each substituted with at least one of a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, or a phosphoric acid or a salt thereof;

a C 6 -C 20 aryl group or a C 2 -C 20 heteroaryl group;

a C 6 -C 20 aryl group or a C 2 -C 20 heteroaryl group, each substituted with at least one of a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, a C 1 -C 60 alkoxy group, a phenyl group, a naphthyl group, an anthracenyl group, a fluorenyl group, a dimethyl fluorenyl group, a diphenyl fluorenyl group, a carbazolyl group, a phenyl carbazolyl group, a pyridinyl group, a pyrimidinyl group, a pyrazinyl group, a pyridazinyl group, a triazinyl group, a quinolinyl group, or an isoquinolinyl group;

—N(Q 11 )(Q 12 ); or —Si(Q 13 )(Q 14 )(Q 15 ) (wherein, Q 11 to Q 15 are each independently a C 1 -C 20 alkyl group, a C 1 -C 20 alkoxy group, a C 6 -C 20 aryl group, or a C 2 -C 20 heteroaryl group); wherein,

e1 is an integer of 1 to 5;

e2 is an integer of 1 to 7;

e3 is an integer of 1 to 3;

e4 is an integer of 1 to 4;

e5 is 1 or 2; and

* represents a connection to phenyl, Ar 111 , Ar 112 , N, or A 1 in Formulas 1 and 4.

10. The organic light-emitting device of claim 1 , wherein, in Formulae 1 and 4, R 11 to R 14 , and Ar 113 to Ar 116 are each independently represented by any one of Formulae 13-1 to 13-19:

wherein, in Formulae 13-1 to 13-19, Z 11a to Z 11c , R 25 , and R 26 are each independently selected from,

a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a C 1 -C 20 alkyl group, or a C 1 -C 20 alkoxy group;

a C 1 -C 20 alkyl group and a C 1 -C 20 alkoxy group, each substituted with at least one of a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, or a phosphoric acid or a salt thereof;

a phenyl group, a naphthyl group, an anthracenyl group, a fluorenyl group, a carbazolyl group, a pyridinyl group, a pyrimidinyl group, a pyrazinyl group, a pyridazinyl group, a triazinyl group, a quinolinyl group, or an isoquinolinyl group; and

a phenyl group, a naphthyl group, an anthracenyl group, a fluorenyl group, a carbazolyl group, a pyridinyl group, a pyrimidinyl group, a pyrazinyl group, a pyridazinyl group, a triazinyl group, a quinolinyl group, and an isoquinolinyl group, each substituted with at least one of a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a C 1 -C 20 alkyl group, a C 1 -C 20 alkoxy group, a phenyl group, a naphthyl group, an anthracenyl group, a fluorenyl group, a dimethyl fluorenyl group, a diphenyl fluorenyl group, a carbazolyl group, a phenyl carbazolyl group, a pyridinyl group, a pyrimidinyl group, a pyrazinyl group, a pyridazinyl group, a triazinyl group, a quinolinyl group, or an isoquinolinyl group

and wherein * represents a connection to phenyl, N, Ar 111 , Ar 112 or A 1 .

11. The organic light-emitting device of claim 10 , wherein,

in Formulae 13-1 to 13-19, Z 11a to Z 11c , R 25 , and R 26 are each independently selected from

a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a C 1 -C 20 alkyl group, or a C 1 -C 20 alkoxy group;

a C 1 -C 20 alkyl group or a C 1 -C 20 alkoxy group, each substituted with at least one of a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, or a phosphoric acid or a salt thereof;

a phenyl group, a naphthyl group, an anthracenyl group, a fluorenyl group, a carbazolyl group, a pyridinyl group, a pyrimidinyl group, a pyrazinyl group, a pyridazinyl group, a triazinyl group, a quinolinyl group, or an isoquinolinyl group; or

a phenyl group, a naphthyl group, an anthracenyl group, a fluorenyl group, a carbazolyl group, a pyridinyl group, a pyrimidinyl group, a pyrazinyl group, a pyridazinyl group, a triazinyl group, a quinolinyl group, and an isoquinolinyl group, each substituted with at least one of a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a C 1 -C 20 alkyl group, a C 1 -C 20 alkoxy group, a phenyl group, a naphthyl group, an anthracenyl group, a fluorenyl group, a dimethyl fluorenyl group, a diphenyl fluorenyl group, a carbazolyl group, a phenyl carbazolyl group, a pyridinyl group, a pyrimidinyl group, a pyrazinyl group, a pyridazinyl group, a triazinyl group, a quinolinyl group, or an isoquinolinyl group.

12. The organic light-emitting device of claim 1 , wherein the compound of Formula 1 comprises at least one of Compounds 701 to 715:

13. The organic light-emitting device of claim 1 , wherein the hole-transporting region further comprises at least one of N,N′-diphenyl-N,N′-bis-[4-(phenyl-m-tolyl-amino)-phenyl]-biphenyl-4,4′-diamine (DNTPD), 4,′,4″-tris (3-methylphenylphenylamino) triphenylamine (m-MTDATA), N,N′-di(1-naphthyl)-N,N′-diphenylbenzidine) (NPB), TDATA, 2-TNATA, N,N′-bis(3-methyl phenyl)-N,N-diphenyl-[1,1-biphenyl]-4,4′-diamine (TPD), or 4,4′,4″-tris(N-carbazolyl)triphenylamine) (TCTA).

14. The organic light-emitting device of claim 1 , wherein the compound of Formula 2 is represented by Formula 2A(1) or 2B(1):

wherein, in Formulae 2A(1) and 2B(1), R 1 to R 4 , Ar 1 to Ar 3 , a1, a2, and a3 are the same as in claim 1 .

15. The organic light-emitting device of claim 1 , wherein the compound of Formula 2 is one of Compounds 309 to 320 and the compound of Formula 3 is one of Compounds 301 to 308:

16. The organic light-emitting device of claim 1 , wherein the hole-transporting region comprises a hole-transporting layer and a hole injecting-layer disposed between the hole-transporting layer and the first electrode.

17. The organic light-emitting device of claim 1 , wherein

in Formula 4,

Ar 111 and Ar 112 are each independently selected from a phenylene group, a naphthylene group, a phenanthrenylene group, or a pyrenylene group; or a phenylene group, a naphthylene group, a phenanthrenylene group, a fluorenyl group, and a pyrenylene group, each substituted with at least one of a phenyl group, a naphthyl group, or an anthracenyl group;

Ar 113 to Ar 116 are each independently selected from,

a C 1 -C 10 alkyl group substituted with at least one of a phenyl group, a naphthyl group, or an anthracenyl group;

a phenyl group, a naphthyl group, an anthracenyl group, a pyrenyl group, a phenanthrenyl group, or a fluorenyl group;

a phenyl group, a naphthyl group, an anthracenyl group, a pyrenyl group, a phenanthrenyl group, and a fluorenyl group, each substituted with at least one of a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, a C 1 -C 60 alkoxy group, a phenyl group, a naphthyl group, an anthracenyl group, a pyrenyl group, a phenanthrenyl group, fluorenyl group; or

wherein * represents a connection to Ar 112 , Ar 111 , or A 1 .

18. The organic light-emitting device of claim 1 , wherein the blue emission layer further comprises a dopant and the dopant comprises a compound represented by Formula 500 below:

Ar 200 —[N(Ar 201 )(Ar 202 )] x1   <Formula 500>

wherein, in Formula 500,

Ar 200 is selected from,

anthracene, pyrene, chrysene, phenanthrene, or benzofluorene; or

anthracene, pyrene, chrysene, phenanthrene, or benzofluorene, each substituted with at least one of,

a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a C 1 -C 20 alkyl group, or a C 1 -C 20 alkoxy group;

a C 1 -C 20 alkyl group and a C 1 -C 20 alkoxy group, each substituted with at least one of a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof or a phosphoric acid or a salt thereof;

a C 6 -C 20 aryl group or a C 2 -C 20 heteroaryl group; and

a C 6 -C 20 aryl group or a C 2 -C 20 heteroaryl group, each substituted with at least one of a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, a C 1 -C 60 alkoxy group, a phenyl group, a naphthyl group, an anthracenyl group, a fluorenyl group, a dimethyl fluorenyl group, a diphenyl fluorenyl group, a carbazolyl group, a phenyl carbazolyl group, a pyridinyl group, a pyrimidinyl group, a pyrazinyl group, a pyridazinyl group, a triazinyl group, a quinolinyl group, or an isoquinolinyl group;

Ar 201 and Ar 202 are each independently represented by one of Formulae 12-1 to 12-22; and

x 1 is 1 or 2:

wherein, in Formulae 12-1 to 12-22,

Y 2 is O, S, C(R 25 )(R 26 ) or N(R 27 );

Z 11 to Z 14 , and R 25 to R 27 are each independently selected from, a hydrogen, a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a C 1 -C 20 alkyl group, or a C 1 -C 20 alkoxy group;

a C 1 -C 20 alkyl group and a C 1 -C 20 alkoxy group, each substituted with at least one of a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, or a phosphoric acid or a salt thereof;

a C 6 -C 20 aryl group or a C 2 -C 20 heteroaryl group;

a C 6 -C 20 aryl group or a C 2 -C 20 heteroaryl group, each substituted with at least one of a deuterium, a halogen atom, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine, a hydrazone, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid or a salt thereof, a C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, a C 1 -C 60 alkoxy group, a phenyl group, a naphthyl group, an anthracenyl group, a fluorenyl group, a dimethyl fluorenyl group, a diphenyl fluorenyl group, a carbazolyl group, a phenyl carbazolyl group, a pyridinyl group, a pyrimidinyl group, a pyrazinyl group, a pyridazinyl group, a triazinyl group, a quinolinyl group, or an isoquinolinyl group; or

—N(Q 11 )(Q 12 ) or —Si(Q 13 )(Q 14 )(Q 15 ) (wherein, Q 11 to Q 15 are each independently selected from a C 1 -C 20 alkyl group, a C 1 -C 20 alkoxy group, a C 6 -C 20 aryl group, or a C 2 -C 20 heteroaryl group);

wherein

e1 is an integer of 1 to 5;

e2 is an integer of 1 to 7;

e3 is an integer of 1 to 3;

e4 is an integer of 1 to 4; or

e5 is 1 or 2; and

* represents a connection to N.