KR102172438B1 - Amine-based compound and organic light-emitting device comprising the same - Google Patents

Abstract

Disclosed are an amine compound and an organic light emitting device including the same.

Description

An amine compound and an organic light-emitting device including the same {AMINE-BASED COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING THE SAME}

It relates to an amine-based compound and an organic light-emitting device including the same.

An organic light emitting device is a self-luminous device. Compared to conventional devices, an organic light emitting device has a wide viewing angle and excellent contrast, a fast response time, excellent luminance, driving voltage, and response speed characteristics, and is capable of multicolorization. It is possible.

In the organic light emitting diode, a first electrode is disposed on a substrate, and a hole transport region, a light emitting layer, an electron transport region, and a second electrode are sequentially formed on the first electrode. Can have a structure that is Holes injected from the first electrode move to the emission layer via the hole transport region, and electrons injected from the second electrode move to the emission layer via the electron transport region. Carriers such as holes and electrons recombine in the emission layer region to generate excitons. Light is generated as the excitons change from an excited state to a ground state.

It is to provide an amine-based compound and an organic light-emitting device including the same.

According to one aspect, there is provided an amine compound represented by the following formula 1A or 1B:

<Formula 1A>

<Formula 1B>

In Formulas 1A and 1B,

A ₁ to A ₅ are each independently selected from a C ₅ -C ₃₀ carbocyclic group and a C ₁ -C ₃₀ heterocyclic group;

X ₁ is O, S, N-(L ₁ ) _a1 -(R ₁ ) _b1 or C(R ₉ )(R ₁₀ ),

X ₂ is O, S or C(R ₁₁ )(R ₁₂ ),

L ₁ to L ₃ are each independently selected from a single bond, a substituted or unsubstituted C ₅ -C ₆₀ carbocyclic group and a substituted or unsubstituted C ₁ -C ₆₀ heterocyclic group,

a1 to a3 are each independently selected from an integer of 1 to 5,

R ₁ to R ₁₂ are each independently hydrogen, deuterium, -F, -Cl, -Br, -I, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazino group, a hydrazono group, 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 ₁ -C ₁₀ heterocycloalkyl group, a substituted or unsubstituted C ₃ -C ₁₀ cycloalkenyl group, a substituted or unsubstituted C _1- C ₁₀ heterocycloalkenyl group, substituted or unsubstituted C ₆ -C ₆₀ aryl group, substituted or unsubstituted C ₆ -C ₆₀ aryloxy group, substituted or unsubstituted C ₆ -C ₆₀ arylthio group, substituted or Unsubstituted C ₁ -C ₆₀ heteroaryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group, -Si(Q ₁ )(Q ₂ )(Q ₃ ), -B(Q ₁ )(Q ₂ ) and -C(=O)(Q ₁ ),

R ₉ and R ₁₀ and/or R ₁₁ and R ₁₂ are optionally connected to each other to form a substituted or unsubstituted C ₅ -C ₃₀ carbocyclic group and a substituted or unsubstituted C ₁ -C ₃₀ heterocyclic group. Can form a group,

b1 to b3 and b5 to b8 are each independently selected from an integer of 1 to 10,

b4 is selected from an integer of 1 to 3,

The substituted C ₅ -C ₆₀ carbocyclic group, substituted C ₁ -C ₆₀ heterocyclic group, substituted C ₁ -C ₆₀ alkyl group, substituted C ₂ -C ₆₀ alkenyl group, substituted C ₂ -C ₆₀ alkynyl group, substituted C ₁ -C ₆₀ alkoxy group, substituted C ₃ -C ₁₀ cycloalkyl group, substituted C ₁ -C ₁₀ heterocycloalkyl group, substituted C ₃ -C ₁₀ cycloalkenyl group, substituted C ₁ -C ₁₀ hetero cycloalkenyl group, a substituted C ₆ -C ₆₀ aryl, substituted C ₆ -C ₆₀ aryloxy group, a substituted C ₆ -C ₆₀ arylthio group, a substituted C ₁ -C ₆₀ heteroaryl group, , At least one of the substituents of a substituted C ₁ -C ₆₀ heteroaryloxy group, a substituted monovalent non-aromatic condensed polycyclic group, and a substituted monovalent non-aromatic condensed heteropolycyclic group,

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amino group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, C ₂ -C ₆₀ Alkenyl group, C ₂ -C ₆₀ alkynyl group and C ₁ -C ₆₀ alkoxy group;

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amino group, amidino group, hydrazino group, hydrazono group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ come heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heteroaryl cycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy, C ₆ -C ₆₀ aryl tea, C ₁ -C ₆₀ heteroaryl group, monovalent non-aromatic condensed polycyclic group, monovalent non-aromatic condensed heteropolycyclic group, -Si(Q ₁₁ )(Q ₁₂ )(Q ₁₃ ), -N(Q ₁₁ )( Q ₁₂ ), -B(Q ₁₁ )(Q ₁₂ ), -C(=O)(Q ₁₁ ), -S(=O) ₂ (Q ₁₁ ) and -P(=O)(Q ₁₁ )(Q ₁₂ ) substituted with at least one selected from, a C ₁ -C ₆₀ alkyl group, a C ₂ -C ₆₀ alkenyl group, a C ₂ -C ₆₀ alkynyl group and a C ₁ -C ₆₀ alkoxy group;

C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryl Oxy group, C ₆ -C ₆₀ arylthio group, C ₁ -C ₆₀ heteroaryl group, monovalent non-aromatic condensed polycyclic group, monovalent non-aromatic condensed heteropolycyclic group, biphenyl group and terphenyl group;

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amino group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, C ₂ -C ₆₀ Alkenyl group, C ₂ -C ₆₀ alkynyl group, C ₁ -C ₆₀ alkoxy group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ hetero cycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy, C ₆ -C ₆₀ arylthio, C ₁ -C ₆₀ heteroaryl group, a monovalent non-aromatic condensed polycyclic group, 1 Is a non-aromatic heterocondensed polycyclic group, biphenyl group, terphenyl group, -Si(Q ₂₁ )(Q ₂₂ )(Q ₂₃ ), -N(Q ₂₁ )(Q ₂₂ ), -B(Q ₂₁ )(Q ₂₂ ), -C(=O)(Q ₂₁ ), -S(=O) ₂ (Q ₂₁ ) and -P(=O)(Q ₂₁ )(Q ₂₂ ) substituted with at least one selected from, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy group, C ₆ -C ₆₀ arylthio group, C ₁ -C ₆₀ heteroaryl group, monovalent non-aromatic condensed polycyclic group, monovalent non-aromatic condensed heteropolycyclic group, biphenyl group and terphenyl group; And

-Si(Q ₃₁ )(Q ₃₂ )(Q ₃₃ ), -N(Q ₃₁ )(Q ₃₂ ), -B(Q ₃₁ )(Q ₃₂ ), -C(=O)(Q ₃₁ ), -S (=O) ₂ (Q ₃₁ ) and -P(=O) (Q ₃₁ ) (Q ₃₂ );

Is selected from,

The Q ₁ to Q ₃ , Q ₁₁ to Q ₁₃ , Q ₂₁ to Q ₂₃ and Q ₃₁ to Q ₃₃ are independently of each other, hydrogen, deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyanide No group, nitro group, amino group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, C ₂ -C ₆₀ alkenyl group, C ₂ -C ₆₀ alkynyl group, C ₁ -C ₆₀ alkoxy group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₁ -C ₆₀ alkyl group It is selected from C ₆ -C ₆₀ aryl group, C ₁ -C ₆₀ heteroaryl group, monovalent non-aromatic condensed polycyclic group, monovalent non-aromatic condensed heteropolycyclic group, biphenyl group and terphenyl group.

According to another aspect, the first electrode; A second electrode facing the first electrode; And an organic layer disposed between the first electrode and the second electrode and including an emission layer, wherein the organic layer includes at least one type of the amine-based compound.

The organic light emitting device including the amine compound may have a low driving voltage, high efficiency, long life, and high maximum quantum efficiency.

1 to 4 are diagrams each schematically showing the structure of an organic light emitting device according to an embodiment.

Since the present invention can apply various transformations and have various implementations, specific implementations are illustrated in the drawings and will be described in detail in the detailed description. Effects and features of the present invention, and a method of achieving them will become apparent with reference to embodiments described below in detail together with the drawings. However, the present invention is not limited to the embodiments disclosed below and may be implemented in various forms.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, and when describing with reference to the drawings, the same or corresponding constituent elements are assigned the same reference numerals, and redundant descriptions thereof will be omitted. .

In the following embodiments, a singular expression includes a plural expression unless the context clearly indicates otherwise.

In the following embodiments, terms such as include or have means that the features or elements described in the specification are present, and do not preclude the possibility of adding one or more other features or elements in advance.

In the following embodiments, when a portion such as a film, a region, or a component is on or on another portion, not only the case directly above the other portion, but also another film, region, component, etc. are interposed therebetween. This includes cases where there is.

In the drawings, components may be exaggerated or reduced in size for convenience of description. For example, the size and thickness of each component shown in the drawings are arbitrarily shown for convenience of description, and the present invention is not necessarily limited to what is shown.

The amine compound is represented by the following formula 1A or 1B:

<Formula 1A>

<Formula 1B>

In Formulas 1A and 1B, A ₁ to A ₅ may be each independently selected from a C ₅ -C ₃₀ carbocyclic group and a C ₁ -C ₃₀ heterocyclic group.

In one embodiment, in Formulas 1A and 1B, A ₁ to A ₅ are each independently a benzene group, an indene group, a naphthalene group, an anthracene group, a fluorene group, a phenanthrene group, a triphenylene group, and a pyrene Group, chrysene group, naphthacene group, pyrrole group, imidazole group, pyrazole group, pyridine group, pyrimidine group, pyrazine group, pyridazine group, indole group, isoindole group, indazole group, quinoline group, iso Quinoline group, benzoquinoline group, naphthyridine group, quinoxaline group, quinazoline group, sinoline group, carbazole group, phenanthridine group, acridine group, phenanthroline group, phenazine group, benzimidazole group , Furan group, benzofuran group, thiophene group, benzothiophene group, thiazole group, isothiazole group, benzothiazole group, isoxazole group, oxazole group, triazole group, oxadiazole group, tri It may be selected from an azine group, a benzoxazole group, a dibenzofuran group, a dibenzothiophene group, a benzocarbazole group, and a dibenzocarbazole group.

For example, in Formulas 1A and 1B, A ₁ to A ₅ are each independently a benzene group, an indene group, a naphthalene group, an anthracene group, a fluorene group, a phenanthrene group, a pyridine group, a pyrimidine group, and a pyrazine group. , A pyridazine group and a carbazole group, but are not limited thereto.

As another example, in Formulas 1A and 1B, A ₁ to A ₅ may be each independently selected from a benzene group and a naphthalene group, but are not limited thereto.

As another example, in Formulas 1A and 1B, A ₁ to A ₅ may be each independently a benzene group, but are not limited thereto.

In Formulas 1A and 1B, X ₁ is O, S, N-(L ₁ ) _a1 -(R ₁ ) _b1 or C(R ₉ )(R ₁₀ ), and X ₂ is O, S or C(R ₁₁ )(R ₁₂ ).

In one embodiment, in Formulas 1A and 1B, X ₁ is N-(L ₁ ) _a1 -(R ₁ ) _b1 , and X ₂ is O, S or C(R ₁₁ )(R ₁₂ ); Alternatively, X ₁ may be O, and X ₂ may be C(R ₁₁ )(R ₁₂ ), but is not limited thereto.

In Formulas 1A and 1B, L ₁ to L ₃ are each independently a single bond, a substituted or unsubstituted C ₅ -C ₆₀ carbocyclic group, and a substituted or unsubstituted C ₁ -C ₆₀ heterocyclic group. Can be chosen.

In one embodiment, in Formulas 1A and 1B, L ₁ to L ₃ are each independently a single bond, a benzene group, a pentalene group, an indene group, a naphthalene group, an azulene group, a heptalene group, an indacene group , Acenaphthalene group, fluorene group, spiro-bifluorene group, benzofluorene group, phenalene group, phenanthrene group, anthracene group, fluoranthene group, triphenylene group, pyrene group, chrysene group , Naphthacene group, picene group, perylene group, pentaphenylene group, hexacene group, pyrrole group, imidazole group, pyrazole group, pyridine group, pyrazine group, pyrimidine group, pyridazine group, isoindole group, Indole group, indazole group, purine group, quinoline group, isoquinoline group, benzoquinoline group, phthalazine group, naphthyridine group, quinoxaline group, quinazoline group, sinoline group, carbazole group, phenanthridine group , Acridine group, phenanthroline group, phenazine group, benzimidazole group, furan group, benzofuran group, thiophene group, benzothiophene group, thiazole group, isothiazole group, benzothiazole group, Isooxazole group, oxazole group, triazole group, tetrazole group, oxadiazole group, triazine group, benzoxazole group, dibenzofuran group, dibenzothiophene group, benzocarbazole group and dibenzocarba Sol group; And

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amino group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ A benzene group, a pentalene group, an indene group, a naphthalene group, an azulene group, a heptalene group, an indacene group, substituted with at least one selected from an alkoxy group, a C ₆ -C ₂₀ aryl group and a C ₁ -C ₂₀ heteroaryl group , Acenaphthalene group, fluorene group, spiro-bifluorene group, benzofluorene group, phenalene group, phenanthrene group, anthracene group, fluoranthrene group, triphenylene group, pyrene group, chrysene group , Naphthacene group, picene group, perylene group, pentaphenylene group, hexacene group, pyrrole group, imidazole group, pyrazole group, pyridine group, pyrazine group, pyrimidine group, pyridazine group, isoindole group, Indole group, indazole group, purine group, quinoline group, isoquinoline group, benzoquinoline group, phthalazine group, naphthyridine group, quinoxaline group, quinazoline group, sinoline group, carbazole group, phenanthridine group , Acridine group, phenanthroline group, phenazine group, benzimidazole group, furan group, benzofuran group, thiophene group, benzothiophene group, thiazole group, isothiazole group, benzothiazole group, Isooxazole group, oxazole group, triazole group, tetrazole group, oxadiazole group, triazine group, benzoxazole group, dibenzofuran group, dibenzothiophene group, benzocarbazole group and dibenzocarba Sol group; It may be selected from, but is not limited thereto.

In another embodiment, in Formulas 1A and 1B, L ₁ to L ₃ may be each independently selected from a single bond and a group represented by Formulas 3-1 to 3-46:

In Formulas 3-1 to 3-46,

Y ₁ is O, S, C(Z ₃ )(Z ₄ ), N(Z ₅ ) or Si(Z ₆ )(Z ₇ ),

Z ₁ to Z ₇ are independently of each other, hydrogen, deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group, cyclopentyl group, cyclohexyl group, cycloheptyl group, cyclopentenyl group, cyclohexenyl group, phenyl group, biphenyl group, naphthyl group, fluorenyl group, spiro-bi Fluorenyl group, phenalenyl group, phenanthrenyl group, anthracenyl group, fluoranthenyl group, triphenylenyl group, pyridinyl group, pyrazinyl group, pyrimidinyl group, quinolinyl group, isoquinolinyl group, benzoquinoli Nyl group, naphthyridinyl group, quinoxalinyl group, quinazolinyl group, carbazolyl group, phenanthridinyl group, acridinyl group, phenanthrolinyl group, phenazinyl group, triazinyl group, dibenzofuranyl group, dibenzothiophenyl group and- Si(Q ₃₁ )(Q ₃₂ )(Q ₃₃ ) is selected from,

d2 is selected from an integer of 0 to 2, and when d2 is 2 or more, 2 or more Z ₁ are the same or different from each other,

d3 is selected from an integer of 0 to 3, and when d3 is 2 or more, 2 or more Z ₁ and Z ₂ are the same or different from each other,

d4 is selected from an integer of 0 to 4, and when d4 is 2 or more, 2 or more Z ₁ and Z ₂ are the same or different from each other,

*d5 is selected from an integer of 0 to 5, and when d5 is 2 or more, 2 or more Z ₁ and Z ₂ are the same or different from each other,

d6 is selected from an integer of 0 to 6, and when d6 is 2 or more, 2 or more Z ₁ and Z ₂ are the same or different from each other,

d8 is selected from an integer of 0 to 8, and when d8 is 2 or more, 2 or more Z ₁ are the same or different from each other,

** and *'are bonding sites with neighboring atoms.

For example, L ₁ to L ₃ may each independently be selected from a single bond, a group represented by Chemical Formulas 3-1 to 3-7, 3-31 to 3-34, 3-42 and 3-43. have.

As another example, L ₁ to L ₃ may be each independently selected from a single bond, a group represented by Chemical Formulas 3-1, 3-2, and 3-34.

In one embodiment, in Formulas 3-1 to 3-46, Z ₁ to Z ₇ are independently of each other, hydrogen, deuterium, -F, cyano group, methyl group, ethyl group, n-propyl group, tert-butyl group , A phenyl group and a naphthyl group may be selected, but the present invention is not limited thereto.

In another embodiment, in Formulas 1A and 1B, L ₁ to L ₃ are each independently a single bond and a benzene group; And

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amino group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ A benzene group substituted with at least one selected from an alkoxy group, a C ₆ -C ₂₀ aryl group and a C ₁ -C ₂₀ heteroaryl group; It may be selected from, but is not limited thereto.

In Formulas 1A and 1B, a1 to a3 may be each independently selected from an integer of 1 to 5. a1 represents the number of L ₁ , and when a1 is 2 or more, two or more L ₁ may be the same or different from each other. Descriptions of a2 and a3 may be understood with reference to the description of a1.

In one embodiment, in Formulas 1A and 1B, a1 to a3 may be each independently selected from an integer of 1 to 3.

For example, a1 to a3 may be 1, but are not limited thereto.

In Formulas 1A and 1B, R ₁ to R ₁₂ are independently of each other, hydrogen, deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amino group, amidino group, hydra Zino group, hydrazono group, substituted or unsubstituted C ₁ -C ₆₀ alkyl group, substituted or unsubstituted C ₂ -C ₆₀ alkenyl group, substituted or unsubstituted C ₂ -C ₆₀ alkynyl group, substituted or unsubstituted C ₁ -C ₆₀ alkoxy group, substituted or unsubstituted C ₃ -C ₁₀ cycloalkyl group, substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkyl group, substituted or unsubstituted C ₃ -C ₁₀ cycloalkenyl group, substituted Or an unsubstituted C ₁ -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, substituted or unsubstituted C ₁ -C ₆₀ heteroaryl group, substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, substituted or unsubstituted monovalent non-aromatic heterocondensed polycyclic group, -Si It is selected from (Q ₁ )(Q ₂ )(Q ₃ ), -B(Q ₁ )(Q ₂ ) and -C(=O)(Q ₁ ),

R ₉ and R ₁₀ and/or R ₁₁ and R ₁₂ are optionally connected to each other to form a substituted or unsubstituted C ₅ -C ₃₀ carbocyclic group and a substituted or unsubstituted C ₁ -C ₃₀ heterocyclic group. You can form a group.

In one embodiment, in Formulas 1A and 1B, R ₁ and R ₂ are each independently a C ₆ -C ₆₀ aryl group, a C ₁ -C ₆₀ heteroaryl group, a monovalent non-aromatic condensed polycyclic group, and 1 Is a non-aromatic heterocondensed polycyclic group; And

Deuterium, -F, -Cl, -Br, -I, C ₁ -C ₆₀ alkyl group, C ₁ -C ₆₀ alkoxy group, C ₆ -C ₆₀ aryl group, C ₁ -C ₆₀ heteroaryl group, monovalent bi- Aromatic condensed polycyclic group, monovalent non-aromatic heterocondensed polycyclic group, -N (Q ₃₁ ) (Q ₃₂ ) and -Si (Q ₃₁ ) (Q ₃₂ ) (Q ₃₃ ) substituted with at least one of, C ₆ -C ₆₀ An aryl group, a C ₁ -C ₆₀ heteroaryl group, a monovalent non-aromatic condensed polycyclic group and a monovalent non-aromatic condensed heteropolycyclic group; Can be selected from.

In another embodiment, in Formulas 1A and 1B, R ₁ and R ₂ are independently of each other, a phenyl group, a pentalenyl group, an indenyl group, a naphthyl group, and an azulenyl group (azulenyl), heptalenyl, indacenyl, acenaphthyl, fluorenyl, spiro-fluorenyl, spiro-bifluorenyl, benzofluore Nyl, phenalenyl, phenanthrenyl, anthracenyl, fluoranthenyl, triphenylenyl, pyrenyl, and chrysenyl ( chrysenyl), naphthacenyl, picenyl, perylenyl, pentaphenyl, hexacenyl, pyrrolyl, imidazolyl, Pyrazolyl, pyridinyl, pyrazinyl, pyrimidinyl, pyridazinyl, isoindolyl, indolyl, indole Zolyl group (indazolyl), purinyl group (purinyl), quinolinyl group (quinolinyl), isoquinolinyl group (isoquinolinyl), benzoquinolinyl group (benzoquinolinyl), phthalazinyl group (phthalazinyl), naphthyridinyl group (naphthyridinyl), Quinoxalinyl, quinazolinyl, cinolinyl, carbazolyl, phenanthridinyl, acridinyl, phenanthrolinyl, Phenazinyl, benzooxazolyl, ben Zimidazolyl, furanyl, benzofuranyl, thiophenyl, benzothiophenyl, thiazolyl, isothiazolyl, benzo Thiazolyl group (benzothiazolyl), isoxazolyl group (isoxazolyl), oxazolyl group (oxazolyl), triazolyl group, tetrazolyl group, oxadiazolyl group (oxadiazolyl), triazinyl group (triazinyl), benzooxazolyl group (benzooxazolyl) ), dibenzofuranyl, dibenzothiophenyl, benzocarbazolyl and dibenzocarbazolyl; And

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amino group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ Phenyl group, pentarenyl group, indenyl group, naphthyl group, azulenyl group, heptarenyl group, indacenyl group, substituted with at least one selected from alkoxy group, C ₆ -C ₂₀ aryl group and C ₁ -C ₂₀ heteroaryl group Acenaphthyl group, fluorenyl group, spiro-fluorenyl group, spiro-bifluorenyl group, benzofluorenyl group, phenalenyl group, phenanthrenyl group, anthracenyl group, fluoranthenyl group, triphenylenyl group, Pyrenyl group, chrysenyl group, naphthacenyl group, pisenyl group, perylenyl group, pentaphenyl group, hexaenyl group, pyrroleyl group, imidazolyl group, pyrazolyl group, pyridinyl group, pyrazinyl group, pyrimidinyl group, Pyridazinyl group, isoindole group, indolyl group, indazolyl group, purinyl group, quinolinyl group, isoquinolinyl group, benzoquinolinyl group, phthalazinyl group, naphthyridinyl group, quinoxalinyl group, quinazolinyl group, Sinolinyl group, carbazolyl group, phenanthridinyl group, acridinyl group, phenanthrolinyl group, phenazinyl group, benzooxazolyl group, benzimidazolyl group, furanyl group, benzofuranyl group, thiophenyl group, benzothiophenyl group, thia Zolylene group, isothiazolyl group, benzothiazolyl group, isoxazolyl group, oxazolyl group, triazolyl group, tetrazolyl group, oxadiazolyl group, triazinyl group, benzoxazolyl group, dibenzofuranyl group, dibenzo Thiophenyl group, benzocarbazolyl group, and dibenzocarbazolyl group; It may be selected from, but is not limited thereto.

For example, in Formulas 1A and 1B, R ₁ and R ₂ may be each independently selected from the group represented by Formulas 5-1 to 5-79, but are not limited thereto:

In Formulas 5-1 to 5-79,

Y ₃₁ is O, S, C(Z ₃₃ )(Z ₃₄ ), N(Z ₃₅ ) or Si(Z ₃₆ )(Z ₃₇ ),

Z ₃₁ to Z ₃₇ are independently of each other, hydrogen, deuterium, -F, -Cl, -Br, -I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group, cyclopentyl group, cyclohexyl group, cycloheptyl group, cyclopentenyl group, cyclohexenyl group, phenyl group, biphenyl group, naphthyl group, fluorenyl group, spiro-bi Fluorenyl group, spiro-fluorene-benzofluorenyl group, benzofluorenyl group, dibenzofluorenyl group, phenalenyl group, phenanthrenyl group, anthracenyl group, fluoranthenyl group, triphenylenyl group, pyridine Nyl group, pyrazinyl group, pyrimidinyl group, quinolinyl group, isoquinolinyl group, benzoquinolinyl group, naphthyridinyl group, quinoxalinyl group, quinazolinyl group, carbazolyl group, phenanthridinyl group, acridinyl group, phenane It is selected from trolinyl group, phenazinyl group, triazinyl group, dibenzofuranyl group, dibenzothiophenyl group, and -Si(Q ₃₁ )(Q ₃₂ )(Q ₃₃ ),

Z ₃₃ and Z ₃₄ may be optionally linked to each other to form a substituted or unsubstituted C ₅ -C ₃₀ carbocyclic group and a substituted or unsubstituted C ₁ -C ₃₀ heterocyclic group,

e2 is selected from an integer of 0 to 2, and when e2 is 2 or more, 2 or more Z ₃₁ and Z ₃₂ are the same or different from each other,

e3 is selected from an integer of 0 to 3, and when e3 is 2 or more, 2 or more Z ₃₁ and Z ₃₂ are the same or different from each other,

e4 is selected from an integer of 0 to 4, and when e4 is 2 or more, 2 or more Z ₃₁ and Z ₃₂ are the same or different from each other,

e5 is selected from an integer of 0 to 5, and when e5 is 2 or more, 2 or more Z ₃₁ and Z ₃₂ are the same or different from each other,

e6 is selected from an integer of 0 to 6, and when e6 is 2 or more, 2 or more Z ₃₁ and Z ₃₂ are the same as or different from each other,

e7 is selected from an integer of 0 to 7, and when e7 is 2 or more, 2 or more Z ₃₁ are the same as or different from each other,

e9 is selected from an integer of 0 to 9, and when e9 is 2 or more, 2 or more Z ₃₁ are the same or different from each other,

* Is the bonding site with neighboring atoms.

For example, in Formulas 1A and 1B, R ₁ and R ₂ may be each independently selected from the group represented by Formulas 5-1 to 5-20, but are not limited thereto.

As another example, in Formulas 1A and 1B, R ₁ and R ₂ may be independently selected from the group represented by Formulas 5-1 to 5-3, 5-13 to 5-16, and 5-20. However, it is not limited thereto.

In one embodiment, in Formulas 5-1 to 5-79, Z ₃₁ to Z ₃₇ are independently of each other, hydrogen, deuterium, -F, cyano group, methyl group, ethyl group, n-propyl group, tert-butyl group , A phenyl group and a naphthyl group may be selected, but the present invention is not limited thereto.

In another embodiment, in Formulas 1A and 1B, R ₁ and R ₂ may be each independently selected from Formulas 6-1 to 6-42, but are not limited thereto:

In Formulas 6-1 to 6-42,

"Ph" represents a phenyl group,

* Is the bonding site with neighboring atoms.

In Formulas 1A and 1B, R ₃ to R ₁₂ are independently of each other, hydrogen, deuterium, -F, -Cl, -Br, -I, C ₁ -C ₆₀ alkyl group, C ₁ -C ₆₀ alkoxy group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy, C ₆ -C ₆₀ arylthio, C ₁ -C ₆₀ heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent condensed polycyclic non-aromatic heterocyclic group, -Si(Q ₁ )(Q ₂ )(Q ₃ ) and -N(Q ₁ )(Q ₂ );

Deuterium, -F, -Cl, -Br, -I, a C ₁ -C ₆₀ alkyl group and a C ₁ -C ₆₀ alkoxy group substituted with at least one of a cyano group and a nitro group; And

Deuterium, -F, -Cl, -Br, -I, cyano group, nitro group, methyl group, methoxy group, phenyl group, naphthyl group and biphenyl group substituted with at least one of, C ₆ -C ₆₀ aryl group, C ₁ -C ₆₀ heteroaryl group, monovalent non-aromatic condensed polycyclic group, and monovalent non-aromatic condensed heteropolycyclic group; It may be selected from, but is not limited thereto.

In other embodiments, R ₃ to R ₁₂ are independently of each other, hydrogen, deuterium, -F, -Cl, -Br, -I, methyl group, ethyl group, propyl group, isopropyl group, n-butyl group, isobutyl Group, sec-butyl group, ter-butyl group, pentyl group, iso-amyl group, hexyl group, phenyl group, and biphenyl group, but is not limited thereto.

In Formulas 1A and 1B, b1 to b3 and b5 to b8 may be each independently selected from an integer of 1 to 10, and b4 may be selected from an integer of 1 to 3.

b1 represents the number of R ₁ , and when b1 is 2 or more, 2 or more R ₁ may be the same or different from each other. Descriptions of b2 to b8 may be understood with reference to the description of b1.

The substituted C ₅ -C ₆₀ carbocyclic group, substituted C ₁ -C ₆₀ heterocyclic group, substituted C ₁ -C ₆₀ alkyl group, substituted C ₂ -C ₆₀ alkenyl group, substituted C ₂ -C ₆₀ alkynyl group, substituted C ₁ -C ₆₀ alkoxy group, substituted C ₃ -C ₁₀ cycloalkyl group, substituted C ₁ -C ₁₀ heterocycloalkyl group, substituted C ₃ -C ₁₀ cycloalkenyl group, substituted C ₁ -C ₁₀ hetero cycloalkenyl group, a substituted C ₆ -C ₆₀ aryl, substituted C ₆ -C ₆₀ aryloxy group, a substituted C ₆ -C ₆₀ arylthio group, a substituted C ₁ -C ₆₀ heteroaryl group, , At least one of the substituents of a substituted C ₁ -C ₆₀ heteroaryloxy group, a substituted monovalent non-aromatic condensed polycyclic group, and a substituted monovalent non-aromatic condensed heteropolycyclic group,

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amino group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, C ₂ -C ₆₀ Alkenyl group, C ₂ -C ₆₀ alkynyl group and C ₁ -C ₆₀ alkoxy group;

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amino group, amidino group, hydrazino group, hydrazono group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ come heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heteroaryl cycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy, C ₆ -C ₆₀ aryl tea, C ₁ -C ₆₀ heteroaryl group, monovalent non-aromatic condensed polycyclic group, monovalent non-aromatic condensed heteropolycyclic group, -Si(Q ₁₁ )(Q ₁₂ )(Q ₁₃ ), -N(Q ₁₁ )( Q ₁₂ ), -B(Q ₁₁ )(Q ₁₂ ), -C(=O)(Q ₁₁ ), -S(=O) ₂ (Q ₁₁ ) and -P(=O)(Q ₁₁ )(Q ₁₂ ) substituted with at least one selected from, a C ₁ -C ₆₀ alkyl group, a C ₂ -C ₆₀ alkenyl group, a C ₂ -C ₆₀ alkynyl group and a C ₁ -C ₆₀ alkoxy group;

C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryl Oxy group, C ₆ -C ₆₀ arylthio group, C ₁ -C ₆₀ heteroaryl group, monovalent non-aromatic condensed polycyclic group, monovalent non-aromatic condensed heteropolycyclic group, biphenyl group and terphenyl group;

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amino group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, C ₂ -C ₆₀ Alkenyl group, C ₂ -C ₆₀ alkynyl group, C ₁ -C ₆₀ alkoxy group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ hetero cycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy, C ₆ -C ₆₀ arylthio, C ₁ -C ₆₀ heteroaryl group, a monovalent non-aromatic condensed polycyclic group, 1 Is a non-aromatic heterocondensed polycyclic group, biphenyl group, terphenyl group, -Si(Q ₂₁ )(Q ₂₂ )(Q ₂₃ ), -N(Q ₂₁ )(Q ₂₂ ), -B(Q ₂₁ )(Q ₂₂ ), -C(=O)(Q ₂₁ ), -S(=O) ₂ (Q ₂₁ ) and -P(=O)(Q ₂₁ )(Q ₂₂ ) substituted with at least one selected from, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy group, C ₆ -C ₆₀ arylthio group, C ₁ -C ₆₀ heteroaryl group, monovalent non-aromatic condensed polycyclic group, monovalent non-aromatic condensed heteropolycyclic group, biphenyl group and terphenyl group; And

-Si(Q ₃₁ )(Q ₃₂ )(Q ₃₃ ), -N(Q ₃₁ )(Q ₃₂ ), -B(Q ₃₁ )(Q ₃₂ ), -C(=O)(Q ₃₁ ), -S (=O) ₂ (Q ₃₁ ) and -P(=O) (Q ₃₁ ) (Q ₃₂ );

Is selected from,

The Q ₁ to Q ₃ , Q ₁₁ to Q ₁₃ , Q ₂₁ to Q ₂₃ and Q ₃₁ to Q ₃₃ are independently of each other, hydrogen, deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyanide No group, nitro group, amino group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, C ₂ -C ₆₀ alkenyl group, C ₂ -C ₆₀ alkynyl group, C ₁ -C ₆₀ alkoxy group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₁ -C ₆₀ alkyl group It may be selected from C ₆ -C ₆₀ aryl group, C ₁ -C ₆₀ heteroaryl group, monovalent non-aromatic condensed polycyclic group, monovalent non-aromatic condensed heteropolycyclic group, biphenyl group and terphenyl group.

* In one embodiment, the amine compound represented by Formula 1A or 1B may be represented by Formula 1C or 1D, but is not limited thereto:

<Formula 1C>

<Formula 1D>

In Formulas 1C and 1D,

The definitions for X ₁ , X ₂ , L ₁ to L ₃ , a1 to a3, R ₁ to R _12, and b1 and b2 are the same as described in the description of Formulas 1A and 1B,

b4, b6 and b8 are each independently selected from an integer of 1 to 3,

b3, b5, and b7 are each independently selected from an integer of 1 to 4.

In another embodiment, the amine compound represented by Formula 1A or 1B may be represented by any one selected from Formulas 1A-1 to 1A-4 and 1B-1 to 1B-16, but is not limited thereto:

<Formula 1A-1>

<Formula 1A-2>

<Formula 1A-3>

<Formula 1A-4>

<Formula 1B-1>

<Formula 1B-2>

<Formula 1B-3>

<Formula 1B-4>

<Formula 1B-5>

<Formula 1B-6>

<Formula 1B-7>

<Formula 1B-8>

<Formula 1B-9>

<Formula 1B-10>

<Formula 1B-11>

<Formula 1B-12>

*

<Formula 1B-13>

<Formula 1B-14>

<Formula 1B-15>

<Formula 1B-16>

In Formulas 1A-1 to 1A-4 and 1B-1 to 1B-16,

The definitions for X ₁ , X ₂ , L ₁ to L ₃ , a1 to a3 and R ₁ to R ₁₂ and b1 and b2 are the same as described in the description for Formulas 1A and 1B,

b4, b6 and b8 are each independently selected from an integer of 1 to 3,

b3, b5, and b7 are each independently selected from an integer of 1 to 4.

In one embodiment, in Formulas 1A-1 to 1A-4 and 1B-1 to 1B-16, X ₁ is N-(L ₁ ) _a1 -(R ₁ ) _b1 , and X ₂ is O, S or Is C(R ₁₁ )(R ₁₂ );

X ₁ is O and X ₂ is C(R ₁₁ )(R ₁₂ ); or

X ₁ may be C(R ₉ )(R ₁₀ ), and X ₂ may be C(R ₁₁ )(R ₁₂ ), but is not limited thereto.

In another embodiment, in Formulas 1A-1 to 1A-4 and 1B-1 to 1B-16, L ₁ to L ₃ are each independently a single bond and a benzene group; And

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amino group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ A benzene group substituted with at least one selected from an alkoxy group, a C ₆ -C ₂₀ aryl group and a C ₁ -C ₂₀ heteroaryl group; It may be selected from, but is not limited thereto.

In another embodiment, in Formulas 1A-1 to 1A-4 and 1B-1 to 1B-16, R ₁ and R ₂ may be each independently selected from Formulas 6-1 to 6-42, , Is not limited thereto.

In one embodiment, in Formulas 1A and 1B, R ₉ and R ₁₀ and/or R ₁₁ and R ₁₂ may be bonded to each other to be represented by any one of the following Formulas 7-1 to 7-3:

In Formulas 7-1 to 7-3,

Z ₅₁ and Z ₅₂ are each independently hydrogen, deuterium, -F, -Cl, -Br, -I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group, cyclopentyl group, cyclohexyl group, cycloheptyl group, cyclopentenyl group, cyclohexenyl group, phenyl group, biphenyl group, naphthyl group, fluorenyl group, spiro-bi Fluorenyl group, spiro-fluorene-benzofluorenyl group, benzofluorenyl group, dibenzofluorenyl group, phenalenyl group, phenanthrenyl group, anthracenyl group, fluoranthenyl group, triphenylenyl group, pyridine Nyl group, pyrazinyl group, pyrimidinyl group, quinolinyl group, isoquinolinyl group, benzoquinolinyl group, naphthyridinyl group, quinoxalinyl group, quinazolinyl group, carbazolyl group, phenanthridinyl group, acridinyl group, phenane It is selected from trolinyl group, phenazinyl group, triazinyl group, dibenzofuranyl group, dibenzothiophenyl group, and -Si(Q ₃₁ )(Q ₃₂ )(Q ₃₃ ),

n1 is selected from an integer of 1 to 8,

n2 is selected from an integer of 1 to 10,

n3 and n4 are each independently selected from an integer of 1 to 4,

* Is a carbon atom to which R ₉ and R ₁₀ or R ₁₁ and R ₁₂ are bonded.

In one embodiment, the amine compound represented by Formula 1A or 1B may be selected from Compounds 1 to 284, but is not limited thereto:

The amine-based compound represented by Formula 1A or 1B has a molecular structure having a large steric hindrance by satisfying a structure in which the substituent represented by Formula 1A' is connected to nitrogen at a specific position. Thereby, the amine-based compound can maintain an optimum intermolecular density. In addition, it is possible to have excellent hole mobility through an increase in the interaction due to the unequal electron pair of oxygen atoms that are less sterically occluded.

<Formula 1A'>

In addition, since the amine-based compound contains one amine group in its molecule, it has an appropriate energy level compared to the compound containing two or more amine groups. Accordingly, hole injection and hole injection barriers may be reduced, thereby improving hole mobility.

Accordingly, an electronic device including the amine-based compound, for example, an organic light-emitting device, may have a low driving voltage, high efficiency, and long life.

A method for synthesizing the amine-based compound represented by Formula 1A or 1B may be recognized by those skilled in the art with reference to Examples to be described later.

At least one of the amine compounds represented by Formula 1A or 1B may be used between a pair of electrodes of an organic light-emitting device. For example, the amine compound may be included in at least one of a hole transport region, an electron transport region, and an emission layer. Alternatively, the amine-based compound represented by Formula 1A or 1B may be used as a capping layer material positioned outside a pair of electrodes of an organic light-emitting device.

Thus, the first electrode; A second electrode facing the first electrode; And an organic layer disposed between the first electrode and the second electrode and including an emission layer, wherein the organic layer includes at least one amine compound represented by Formula 1A or 1B.

In the present specification, "(organic layer) includes one or more types of amine compounds", and "(organic layer) is one type of amine compound belonging to the category of Formula 1A or 1B, or that belongs to the category of Formula 1A or 1B. It may be interpreted as "may include two or more different amine-based compounds.

* For example, the organic layer may contain only Compound 1 as the amine compound. In this case, Compound 1 may be present in the emission layer of the organic light emitting device. Alternatively, the organic layer may include Compound 1 and Compound 2 as the amine compound. At this time, the compound 1 and the compound 2 are present in the same layer (for example, both of the compound 1 and the compound 2 may be present in the light-emitting layer) or in different layers (for example, the compound 1 is the light-emitting layer And the compound 2 may be present in the electron transport layer).

According to an embodiment, the first electrode is an anode, the second electrode is a cathode, the organic layer is a hole transport region disposed between the first electrode and the emission layer, and disposed between the emission layer and the second electrode The electron transport region further includes, wherein the hole transport region includes a hole injection layer, a hole transport layer, a light emission auxiliary layer, an electron blocking layer, or any combination thereof, and the electron transport region is a hole blocking layer, an electron transport layer, Electron injection layer or any combination thereof.

In one embodiment, the hole transport region may include the amine compound.

In another embodiment, the hole transport region may include a hole injection layer and a hole transport layer, and at least one of the hole injection layer and the hole transport layer may include the amine compound.

In another embodiment, the hole transport region may include a hole transport layer, and the hole transport layer may include the amine compound.

In one embodiment, the hole transport region may include a p-dopant, and the LUMO energy level of the p-dopant may be -3.5 eV or less.

For example, the p-dopant may include at least one selected from a quinone derivative, a metal oxide, and a cyano group-containing compound.

For example, the hole transport region may include a hole injection layer, and the hole injection layer may include the p-dopant.

In one embodiment, the emission layer may include at least one of a styryl compound, an anthracene compound, a pyrene compound, and a spiro-bifluorene compound.

In the present specification, the term "organic layer" refers to a single and/or a plurality of all layers interposed between the first electrode and the second electrode of the organic light emitting device. The material included in the layer of the "organic layer" is not limited to an organic material.

[Description of Figure 1]

1 schematically shows a cross-sectional view of an organic light-emitting device 10 according to an embodiment of the present invention. The organic light-emitting device 10 includes a first electrode 110, an organic layer 150 and a second electrode 190.

Hereinafter, the structure and manufacturing method of the organic light-emitting device 10 according to an embodiment of the present invention will be described with reference to FIG. 1.

[First electrode 110]

A substrate may be additionally disposed under the first electrode 110 or above the second electrode 190 of FIG. 1. As the substrate, a glass substrate or a plastic substrate excellent in mechanical strength, thermal stability, transparency, surface smoothness, ease of handling and waterproofness may be used.

The first electrode 110 may be formed, for example, by providing a material for a first electrode on a substrate by using a vapor deposition method or a sputtering method. When the first electrode 110 is an anode, the material for the first electrode may be selected from materials having a high work function to facilitate hole injection.

The first electrode 110 may be a reflective electrode, a transflective electrode, or a transmissive electrode. In order to form the first electrode 110 which is a transmission type electrode, the material for the first electrode is indium tin oxide (ITO), indium zinc oxide (IZO), tin oxide (SnO ₂ ), zinc oxide (ZnO), and any It may be selected from a combination of, but is not limited thereto. Alternatively, in order to form the first electrode 110 which is a semi-transmissive electrode or a reflective electrode, the material for the first electrode is magnesium (Mg), silver (Ag), aluminum (Al), aluminum-lithium (Al-Li). ), calcium (Ca), magnesium-indium (Mg-In), magnesium-silver (Mg-Ag), and any combination thereof, but is not limited thereto.

The first electrode 110 may have a single layer structure of a single layer or a multilayer structure including a plurality of layers. For example, the first electrode 110 may have a three-layer structure of ITO/Ag/ITO, but is not limited thereto.

[Organic layer (150)]

An organic layer 150 is disposed on the first electrode 110. The organic layer 150 includes an emission layer.

The organic layer 150 includes a hole transport region interposed between the first electrode 110 and the emission layer, and an electron transport region interposed between the emission layer and the second electrode 190. region) may be further included.

[Hole transport area in organic layer 150]

The hole transport region may include i) a single layer structure made of a single layer made of a single material, ii) a single layer structure made of a single layer made of a plurality of different materials, or iii) a multilayer having a plurality of layers made of a plurality of different materials. It can have a structure.

The hole transport region may include at least one layer selected from a hole injection layer (HIL), a hole transport layer (HTL), a light emission auxiliary layer, and an electron blocking layer (EBL).

For example, the hole transport region has a single layer structure made of a single layer made of a plurality of different materials, or a hole injection layer/hole transport layer, a hole injection layer/hole transport layer sequentially stacked from the first electrode 110 /Emission auxiliary layer, hole injection layer/light emission auxiliary layer, hole transport layer/light emission auxiliary layer, or hole injection layer/hole transport layer/electron blocking layer may have a multilayer structure, but is not limited thereto.

The hole transport region may include an amine compound represented by Formula 1A or 1B.

In addition, the hole transport region, in addition to the amine compound represented by Formula 1, m-MTDATA, TDATA, 2-TNATA, NPB (NPD), β-NPB, TPD, Spiro-TPD, Spiro-NPB, methylated- NPB, TAPC, HMTPD, TCTA(4,4',4"-tris(N-carbazolyl)triphenylamine (4,4',4"-tris(N-carbazolyl)triphenylamine)), Pani/DBSA (Polyaniline /Dodecylbenzenesulfonic acid (polyaniline/dodecylbenzenesulfonic acid)), PEDOT/PSS (Poly(3,4-ethylenedioxythiophene)/Poly(4-styrenesulfonate) (poly(3,4-ethylenedioxythiophene)/poly(4-styrene) Sulfonate)), Pani/CSA (Polyaniline/Camphor sulfonic acid (polyaniline/camphor sulfonic acid)), PANI/PSS (Polyaniline/Poly(4-styrenesulfonate) (polyaniline/poly(4-styrenesulfonate)), the following formula It may include at least one selected from the compound represented by 201 and the compound represented by Formula 202 below:

<Formula 201>

<Formula 202>

In Formulas 201 and 202,

L ₂₀₁ to L ₂₀₄ are each independently a substituted or unsubstituted C ₃ -C ₁₀ cycloalkylene group, a substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkylene group, a substituted or unsubstituted C ₃ -C ₁₀ cyclo Alkenylene group, substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkenylene group, substituted or unsubstituted C ₆ -C ₆₀ arylene group, substituted or unsubstituted C ₁ -C ₆₀ heteroarylene group, substituted or unsubstituted It is selected from a cyclic divalent non-aromatic condensed polycyclic group and a substituted or unsubstituted divalent non-aromatic condensed heteropolycyclic group,

L ₂₀₅ is *-O-*', *-S-*', *-N(Q ₂₀₁ )-*', a substituted or unsubstituted C ₁ -C ₂₀ alkylene group, a substituted or unsubstituted C _2- A C ₂₀ alkenylene group, a substituted or unsubstituted C ₃ -C ₁₀ cycloalkylene group, a substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkylene group, a substituted or unsubstituted C ₃ -C ₁₀ cycloalkenylene group, A substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkenylene group, a substituted or unsubstituted C ₆ -C ₆₀ arylene group, a substituted or unsubstituted C ₁ -C ₆₀ heteroarylene group, a substituted or unsubstituted divalent It is selected from a non-aromatic condensed polycyclic group and a substituted or unsubstituted divalent non-aromatic condensed heteropolycyclic group,

xa1 to xa4 are each independently selected from an integer of 0 to 3,

xa5 is selected from an integer of 1 to 10,

R ₂₀₁ to R ₂₀₄ and Q ₂₀₁ are each independently a substituted or unsubstituted C ₃ -C ₁₀ cycloalkyl group, a substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkyl group, a substituted or unsubstituted C ₃ -C ₁₀ Cycloalkenyl group, substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkenyl group, substituted or unsubstituted C ₆ -C ₆₀ aryl group, substituted or unsubstituted C ₆ -C ₆₀ aryloxy group, substituted or unsubstituted C ₆ -C ₆₀ arylthio group, substituted or unsubstituted C ₁ -C ₆₀ heteroaryl group, substituted or unsubstituted monovalent non-aromatic condensed polycyclic group and substituted or unsubstituted monovalent non-aromatic heterocondensation It may be selected from polycyclic groups.

For example, in Formula 202, R ₂₀₁ and R ₂₀₂ may be optionally connected to each other through a single bond, a dimethyl-methylene group or a diphenyl-methylene group, and R ₂₀₃ and R ₂₀₄ are, optionally, They may be connected to each other through a single bond, a dimethyl-methylene group or a diphenyl-methylene group.

According to an embodiment, in Formulas 201 and 202,

L ₂₀₁ to L ₂₀₅ are independently of each other,

Phenylene group, pentalenylene group, indenylene group, naphthylene group, azulenylene group, heptalenylene group, indasenylene group, acenaphthylene group, fluorenylene group, spiro-bifluorenylene group, benzofluore Nylene group, dibenzofluorenylene group, phenalenylene group, phenanthrenylene group, anthracenylene group, fluoranthenylene group, triphenylenylene group, pyrenylene group, cryenylene group, naphthacenylene group, pisenylene group, and Rylene group, pentaphenylene group, hexasenylene group, pentacenylene group, rubisenylene group, coronenylene group, ovalenylene group, thiophenylene group, furanylene group, carbazolylene group, indoylene group, isoindoleylene group , Benzofuranylene group, benzothiophenylene group, dibenzofuranylene group, dibenzothiophenylene group, benzocarbazolylene group, dibenzocarbazolylene group, dibenzosilolylene group and pyridinylene group; And

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group , Cyclopentyl group, cyclohexyl group, cycloheptyl group, cyclopentenyl group, cyclohexenyl group, phenyl group, biphenyl group, terphenyl group, phenyl group substituted with C ₁ -C ₁₀ alkyl group, phenyl group substituted with -F, pentalle Nyl group, indenyl group, naphthyl group, azulenyl group, heptalenyl group, indacenyl group, acenaphthyl group, fluorenyl group, spiro-bifluorenyl group, benzofluorenyl group, dibenzofluorenyl group, phenalenyl group , Phenanthrenyl group, anthracenyl group, fluoranthenyl group, triphenylenyl group, pyrenyl group, chrysenyl group, naphthacenyl group, picenyl group, perylenyl group, pentaphenyl group, hexaenyl group, pentacenyl group, Rubisenyl group, coronenyl group, ovalenyl group, thiophenyl group, furanyl group, carbazolyl group, indolyl group, isoindolyl group, benzofuranyl group, benzothiophenyl group, dibenzofuranyl group, dibenzothiophenyl group, benzocarbazole Diary, dibenzocarbazolyl group, dibenzosilolyl group, pyridinyl group, -Si (Q ₃₁ ) (Q ₃₂ ) (Q ₃₃ ) and -N (Q ₃₁ ) (Q ₃₂ ) phenyl substituted with at least one selected from Ethylene group, pentalenylene group, indenylene group, naphthylene group, azulenylene group, heptalenylene group, indasenylene group, acenaphthylene group, fluorenylene group, spiro-bifluorenylene group, benzofluorenyl Ethylene group, dibenzofluorenylene group, phenalenylene group, phenanthrenylene group, anthracenylene group, fluoranthenylene group, triphenylenylene group, pyrenylene group, cryenylene group, naphthacenylene group, pisenylene group, perylene Nylene group, pentaphenylene group, hexasenylene group, pentacenylene group, rubixenylene group, coronenylene group, ovalenylene group, thiophenylene group, furanylene group, carbazolylene group, indoylene group, isoindoleylene group, Benzofuranylene group, benzothiophenylene group, dibenzofuranylene group, dibenzothiophenylene group, benzocarbazolylene group, dibenzocarbazolylene group, dibenzosilolylene group, and pyridinylene group;

Is selected from,

The Q ₃₁ to Q ₃₃ may be each independently selected from a C ₁ -C ₁₀ alkyl group, a C ₁ -C ₁₀ alkoxy group, a phenyl group, a biphenyl group, a terphenyl group, and a naphthyl group.

According to another embodiment, xa1 to xa4 may be 0, 1, or 2 independently of each other.

According to another embodiment, xa5 may be 1, 2, 3 or 4.

According to another embodiment, R ₂₀₁ to R ₂₀₄ and Q ₂₀₁ are each independently a phenyl group, a biphenyl group, a terphenyl group, a pentalenyl group, an indenyl group, a naphthyl group, an azulenyl group, a heptalenyl group, an indacenyl group, Acenaphthyl group, fluorenyl group, spiro-bifluorenyl group, benzofluorenyl group, dibenzofluorenyl group, phenalenyl group, phenanthrenyl group, anthracenyl group, fluoranthenyl group, triphenylenyl group, pi Renyl group, chrysenyl group, naphthacenyl group, pisenyl group, perylenyl group, pentaphenyl group, hexaenyl group, pentacenyl group, rubisenyl group, coroneyl group, ovalenyl group, thiophenyl group, furanyl group, carbazole Diary, indolyl group, isoindolyl group, benzofuranyl group, benzothiophenyl group, dibenzofuranyl group, dibenzothiophenyl group, benzocarbazolyl group, dibenzocarbazolyl group, dibenzosilolyl group and pyridinyl group; And

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group , Cyclopentyl group, cyclohexyl group, cycloheptyl group, cyclopentenyl group, cyclohexenyl group, phenyl group, biphenyl group, terphenyl group, phenyl group substituted with C ₁ -C ₁₀ alkyl group, phenyl group substituted with -F, pentalle Nyl group, indenyl group, naphthyl group, azulenyl group, heptalenyl group, indacenyl group, acenaphthyl group, fluorenyl group, spiro-bifluorenyl group, benzofluorenyl group, dibenzofluorenyl group, phenalenyl group , Phenanthrenyl group, anthracenyl group, fluoranthenyl group, triphenylenyl group, pyrenyl group, chrysenyl group, naphthacenyl group, picenyl group, perylenyl group, pentaphenyl group, hexaenyl group, pentacenyl group, Rubisenyl group, coronenyl group, ovalenyl group, thiophenyl group, furanyl group, carbazolyl group, indolyl group, isoindolyl group, benzofuranyl group, benzothiophenyl group, dibenzofuranyl group, dibenzothiophenyl group, benzocarbazole Diary, dibenzocarbazolyl group, dibenzosilolyl group, pyridinyl group, -Si (Q ₃₁ ) (Q ₃₂ ) (Q ₃₃ ) and -N (Q ₃₁ ) (Q ₃₂ ) A phenyl group substituted with at least one selected from , Biphenyl group, terphenyl group, pentalenyl group, indenyl group, naphthyl group, azulenyl group, heptalenyl group, indacenyl group, acenaphthyl group, fluorenyl group, spiro-bifluorenyl group, benzofluorenyl group, Dibenzofluorenyl group, phenalenyl group, phenanthrenyl group, anthracenyl group, fluoranthenyl group, triphenylenyl group, pyrenyl group, chrysenyl group, naphthacenyl group, pisenyl group, perylenyl group, pentaphenyl group , Hexaenyl group, pentacenyl group, rubisenyl group, coronenyl group, ovalenyl group, thiophenyl group, furanyl group, carbazolyl group, indolyl group, isoindole group, benzofuranyl group, benzothiophenyl group, dibenzofuranyl group , Dibenzothiophenyl group, benzocarbazolyl group, dibenzocarbazolyl group, dibenzosilolyl group, and pyridinyl group;

Can be selected from,

The description of Q ₃₁ to Q ₃₃ is referred to as described herein.

According to another embodiment, at least one of R ₂₀₁ to R ₂₀₃ in Formula 201 is independently of each other,

Fluorenyl group, spiro-bifluorenyl group, carbazolyl group, dibenzofuranyl group and dibenzothiophenyl group; And

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group , Cyclopentyl group, cyclohexyl group, cycloheptyl group, cyclopentenyl group, cyclohexenyl group, phenyl group, biphenyl group, terphenyl group, a phenyl group substituted with a C ₁ -C ₁₀ alkyl group, a phenyl group substituted with -F, a naphthyl group , Fluorenyl group, spiro-bifluorenyl group, carbazolyl group, dibenzofuranyl group and dibenzothiophenyl group substituted with at least one selected from, fluorenyl group, spiro-bifluorenyl group, carbazolyl group, di Benzofuranyl group and dibenzothiophenyl group;

It may be selected from, but is not limited thereto.

According to another embodiment, in Formula 202, i) R ₂₀₁ and R ₂₀₂ may be connected to each other through a single bond, and/or ii) R ₂₀₃ and R ₂₀₄ may be connected to each other through a single bond.

According to another embodiment, at least one of R ₂₀₁ to R ₂₀₄ in Formula 202 is,

Carbazolyl group; And

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group , Cyclopentyl group, cyclohexyl group, cycloheptyl group, cyclopentenyl group, cyclohexenyl group, phenyl group, biphenyl group, terphenyl group, a phenyl group substituted with a C ₁ -C ₁₀ alkyl group, a phenyl group substituted with -F, a naphthyl group , A carbazolyl group substituted with at least one selected from a fluorenyl group, a spiro-bifluorenyl group, a carbazolyl group, a dibenzofuranyl group, and a dibenzothiophenyl group;

It may be selected from, but is not limited thereto.

The compound represented by Formula 201 may be represented by Formula 201A:

<Formula 201A>

For example, the compound represented by Formula 201 may be represented by Formula 201A(1), but is not limited thereto:

<Formula 201A(1)>

As another example, the compound represented by Formula 201 may be represented by Formula 201A-1, but is not limited thereto:

<Formula 201A-1>

Meanwhile, the compound represented by Formula 202 may be represented by Formula 202A:

<Formula 202A>

According to another embodiment, the compound represented by Formula 202 may be represented by the following Formula 202A-1:

<Formula 202A-1>

In Formulas 201A, 201A(1), 201A-1, 202A, and 202A-1,

For descriptions of L ₂₀₁ to L ₂₀₃ , xa1 to xa3, xa5 and R ₂₀₂ to R ₂₀₄ , refer to what is described herein,

For a description of R ₂₁₁ and R ₂₁₂ , refer to the description of R ₂₀₃ in the present specification,

R ₂₁₃ to R ₂₁₇ are each independently hydrogen, deuterium, -F, -Cl, -Br, -I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group, cyclopentyl group, cyclohexyl group, cycloheptyl group, cyclopentenyl group, cyclohexenyl group, phenyl group, biphenyl group, terphenyl group, C ₁ -C ₁₀ alkyl group Phenyl group, phenyl group substituted with -F, pentalenyl group, indenyl group, naphthyl group, azulenyl group, heptalenyl group, indacenyl group, acenaphthyl group, fluorenyl group, spiro-bifluorenyl group, benzoflu Orenyl group, dibenzofluorenyl group, phenalenyl group, phenanthrenyl group, anthracenyl group, fluoranthenyl group, triphenylenyl group, pyrenyl group, chrysenyl group, naphthacenyl group, pisenyl group, perylenyl group , Pentaphenyl group, hexacenyl group, pentacenyl group, rubisenyl group, coronenyl group, ovalenyl group, thiophenyl group, furanyl group, carbazolyl group, indolyl group, isoindolyl group, benzofuranyl group, benzothiophenyl group, di It may be selected from benzofuranyl group, dibenzothiophenyl group, benzocarbazolyl group, dibenzocarbazolyl group, dibenzosilolyl group, and pyridinyl group.

The hole transport region may include at least one compound selected from the following compounds HT1 to HT39, but is not limited thereto:

The thickness of the hole transport region may be about 100 Å to about 10000 Å, for example, about 100 Å to about 1000 Å. If the hole transport region includes at least one of a hole injection layer and a hole transport layer, the thickness of the hole injection layer is about 100 Å to about 9000 Å, for example, about 100 Å to about 1000 Å, and the thickness of the hole transport layer is about 50 Å. To about 2000 Å, for example about 100 Å to about 1500 Å. When the thicknesses of the hole transport region, the hole injection layer, and the hole transport layer satisfy the above-described ranges, satisfactory hole transport characteristics may be obtained without a substantial increase in driving voltage.

The light-emitting auxiliary layer is a layer that serves to increase light emission efficiency by compensating for an optical resonance distance according to the wavelength of light emitted from the light-emitting layer, and the electron blocking layer is a layer that serves to prevent electron injection from an electron transport region to be. The light emitting auxiliary layer and the electron blocking layer may include the above-described materials.

[p-dopant]

In addition to the above-described materials, the hole transport region may further include a charge-generating material to improve conductivity. The charge-generating material may be uniformly or non-uniformly dispersed in the hole transport region.

The charge-generating material may be, for example, a p-dopant.

According to one embodiment, the LUMO of the p-dopant may be -3.5 eV or less.

The p-dopant may include at least one selected from a quinone derivative, a metal oxide, and a cyano group-containing compound, but is not limited thereto.

For example, the p-dopant,

Quinone derivatives such as TCNQ (Tetracyanoquinodimethane) and F4-TCNQ (2,3,5,6-Tetrafluoro-7,7,8,8-tetracyanoquinodimethane);

Metal oxides such as tungsten oxide and molybdenum oxide;

HAT-CN (1,4,5,8,9,12-hexaazatriphenylene-hexacarbonitrile); And

A compound represented by the following Chemical Formula 221;

It may include at least one selected from, but is not limited thereto:

<HAT-CN> <F4-TCNQ>

<Formula 221>

In Formula 221,

R ₂₂₁ to R ₂₂₃ are each independently a substituted or unsubstituted C ₃ -C ₁₀ cycloalkyl group, a substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkyl group, a substituted or unsubstituted C ₃ -C ₁₀ cycloalkenyl group , A substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkenyl group, a substituted or unsubstituted C ₆ -C ₆₀ aryl group, a substituted or unsubstituted C ₁ -C ₆₀ heteroaryl group, a substituted or unsubstituted monovalent It is selected from a non-aromatic condensed polycyclic group and a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group, wherein at least one of R ₂₂₁ to R ₂₂₃ is a cyano group, -F, -Cl, -Br, -I, -F-substituted C ₁ -C ₂₀ alkyl group, selected from a C ₁ -C ₂₀ alkyl group, a C ₁ -C ₂₀ alkyl group substituted by a C ₁ -C ₂₀ alkyl group and is substituted by -Br -I -Cl is substituted by at least a Has one substituent.

[Emitting layer of organic layer 150]

When the organic light-emitting device 10 is a full-color organic light-emitting device, the emission layer may be patterned into a red emission layer, a green emission layer, and a blue emission layer for each subpixel. Alternatively, the light-emitting layer has a structure in which two or more layers selected from a red light-emitting layer, a green light-emitting layer, and a blue light-emitting layer are contacted or spaced apart, or two or more materials selected from a red light-emitting material, a green light-emitting material, and a blue light-emitting material It has a mixed structure without, and can emit white light.

The emission layer may include a host and a dopant. The dopant may include at least one of a phosphorescent dopant and a fluorescent dopant.

The content of the dopant in the light emitting layer may be selected from about 0.01 to about 15 parts by weight based on about 100 parts by weight of the host, but is not limited thereto.

The thickness of the emission layer may be about 100 Å to about 1000 Å, for example, about 200 Å to about 600 Å. When the thickness of the emission layer satisfies the above-described range, excellent emission characteristics may be exhibited without a substantial increase in driving voltage.

[Host of the light emitting layer]

The host may include a compound represented by Formula 301 below.

*<Formula 301>

[Ar ₃₀₁ ] _xb11 -[(L ₃₀₁ ) _xb1 -R ₃₀₁ ] _xb21

In Formula 301,

*Ar ₃₀₁ is a substituted or unsubstituted C ₅ -C ₆₀ carbocyclic group or a substituted or unsubstituted C ₁ -C ₆₀ heterocyclic group,

xb11 is 1, 2 or 3,

L ₃₀₁ is a substituted or unsubstituted C ₃ -C ₁₀ cycloalkylene group, a substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkylene group, a substituted or unsubstituted C ₃ -C ₁₀ cycloalkenylene group, a substituted or Unsubstituted C ₁ -C ₁₀ heterocycloalkenylene group, substituted or unsubstituted C ₆ -C ₆₀ arylene group, substituted or unsubstituted C ₁ -C ₆₀ heteroarylene group, substituted or unsubstituted divalent bi- It is selected from an aromatic condensed polycyclic group and a substituted or unsubstituted divalent non-aromatic condensed heteropolycyclic group,

xb1 is selected from an integer of 0 to 5,

R ₃₀₁ is deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, substituted or unsubstituted C ₁ -C ₆₀ Alkyl group, substituted or unsubstituted C ₂ -C ₆₀ alkenyl group, substituted or unsubstituted C ₂ -C ₆₀ alkynyl group, substituted or unsubstituted C ₁ -C ₆₀ alkoxy group, substituted or unsubstituted C ₃ -C ₁₀ Cycloalkyl group, substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkyl group, substituted or unsubstituted C ₃ -C ₁₀ cycloalkenyl group, substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkenyl group, substituted or unsubstituted hwandoen 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 ₁ -C ₆₀ heteroaryl, Group, substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group, -Si (Q ₃₀₁ ) (Q ₃₀₂ ) (Q ₃₀₃ ), -N (Q ₃₀₁ )(Q ₃₀₂ ), -B(Q ₃₀₁ )(Q ₃₀₂ ), -C(=O)(Q ₃₀₁ ), -S(=O) ₂ (Q ₃₀₁ ) and -P(=O)(Q ₃₀₁ ) (Q ₃₀₂ ) is selected from,

xb21 is selected from an integer of 1 to 5,

Q ₃₀₁ to Q ₃₀₃ may be each independently selected from a C ₁ -C ₁₀ alkyl group, a C ₁ -C ₁₀ alkoxy group, a phenyl group, a biphenyl group, a terphenyl group, and a naphthyl group, but are not limited thereto.

According to an embodiment, Ar ₃₀₁ in Formula ₃₀₁ is,

Naphthalene group, fluorene group, spiro-bifluorene group, benzofluorene group, dibenzofluorene group, phenalene group, phenanthrene group, anthracene group, fluoranthene group, triphenylene group, pyrene group , Chrysene group, naphthacene group, picene group, perylene group, pentaphene group, indenoanthracene group, dibenzofuran group and dibenzothiophene group; And

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group , Phenyl group, biphenyl group, terphenyl group, naphthyl group, -Si(Q ₃₁ )(Q ₃₂ )(Q ₃₃ ), -N(Q ₃₁ )(Q ₃₂ ), -B(Q ₃₁ )(Q ₃₂ ),- C (=O) (Q ₃₁ ), -S (=O) ₂ (Q ₃₁ ) and -P (=O) (Q ₃₁ ) (Q ₃₂ ) substituted with at least one selected from, a naphthalene group, a fluorene group, Spiro-bifluorene group, benzofluorene group, dibenzofluorene group, phenalene group, phenanthrene group, anthracene group, fluoranthene group, triphenylene group, pyrene group, chrysene group, naphthacene Group, picene group, perylene group, pentaphene group, indenoanthracene group, dibenzofuran group and dibenzothiophene group;

Is selected from,

Q ₃₁ to Q ₃₃ may each independently be selected from a C ₁ -C ₁₀ alkyl group, a C ₁ -C ₁₀ alkoxy group, a phenyl group, a biphenyl group, a terphenyl group, and a naphthyl group, but is not limited thereto.

When xb11 in Formula 301 is 2 or more, two or more Ar ₃₀₁ may be connected to each other through a single bond.

According to another embodiment, the compound represented by Formula 301 may be represented by the following Formula 301-1 or 301-2:

<Formula 301-1>

<Formula 301-2>

In Formulas 301-1 to 301-2

A ₃₀₁ to A ₃₀₄ are independently of each other, benzene, naphthalene, phenanthrene, fluoranthene, triphenylene, pyrene, chrysene, pyridine, pyrimidine, indene, fluorene, spiro-bifluorene, benzoflu Orene, dibenzofluorene, indole, carbazole, benzocarbazole, dibenzocarbazole, furan, benzofuran, dibenzofuran, naphthofuran, benzonaphthofuran, dinaphthofuran, thiophene, benzothiophene, It is selected from dibenzothiophene, naphthothiophene, benzonaphthothiophene and dinaphthothiophene,

X ₃₀₁ is O, S or N-[(L ₃₀₄ ) _xb4 -R ₃₀₄ ],

R ₃₁₁ to R ₃₁₄ are each independently hydrogen, deuterium, -F, -Cl, -Br, -I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group, phenyl group, biphenyl group, terphenyl group, naphthyl group -Si(Q ₃₁ )(Q ₃₂ )(Q ₃₃ ), -N(Q ₃₁ )(Q ₃₂ ),- B(Q ₃₁ )(Q ₃₂ ), -C(=O)(Q ₃₁ ), -S(=O) ₂ (Q ₃₁ ) and -P(=O)(Q ₃₁ )(Q ₃₂ ) ,

xb22 and xb23 are each independently 0, 1 or 2,

For the description of L ₃₀₁ , xb1, R ₃₀₁ and Q ₃₁ to Q ₃₃ , refer to the description herein,

For the description of L ₃₀₂ to L ₃₀₄ , independently of each other, refer to the description of L ₃₀₁ ,

For the description of Xb2 to xb4, independently of each other, refer to the description of xb1,

For the description of R ₃₀₂ to R ₃₀₄ , independently of each other, refer to the description of R ₃₀₁ .

For example, in Formulas 301, 301-1, and 301-2, L ₃₀₁ to L ₃₀₄ are independently of each other,

Phenylene group, naphthylene group, fluorenylene group, spiro-bifluorenylene group, benzofluorenylene group, dibenzofluorenylene group, phenanthrenylene group, anthracenylene group, fluoranthenylene group, triphenyl Renylene group, pyrenylene group, chrysenylene group, perylene group, pentaphenylene group, hexasenylene group, pentacenylene group, thiophenylene group, furanylene group, carbazolylene group, indolylene group, isoindolene group, benzo Furanylene group, benzothiophenylene group, dibenzofuranylene group, dibenzothiophenylene group, benzocarbazolylene group, dibenzocarbazolylene group, dibenzosilolylene group, pyridinylene group, imidazolylene group, pyrazolylene group , Thiazolylene group, isothiazolylene group, oxazolylene group, isoxazolylene group, thiadiazolylene group, oxadiazolylene group, pyrazinylene group, pyrimidinylene group, pyridazinylene group, triazinylene group, quinolinyl Ren group, isoquinolinylene group, benzoquinolinylene group, phthalazinylene group, naphthyridinylene group, quinoxalinylene group, quinazolinylene group, cinolinylene group, phenanthridinylene group, acridinylene group, phenane Trollynylene group, phenazinylene group, benzoimidazolylene group, isobenzothiazolylene group, benzoxazolylene group, isobenzooxazolylene group, triazolylene group, tetrazolylene group, imidazopyridinylene group, imidazopyrimidi A nylene group and an azacarbazolylene group; And

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group , Phenyl group, biphenyl group, terphenyl group, naphthyl group, fluorenyl group, spiro-bifluorenyl group, benzofluorenyl group, dibenzofluorenyl group, phenanthrenyl group, anthracenyl group, fluoranthenyl group, triphenyl Renyl group, pyrenyl group, chrysenyl group, perylenyl group, pentaphenyl group, hexaenyl group, pentacenyl group, thiophenyl group, furanyl group, carbazolyl group, indolyl group, isoindolyl group, benzofuranyl group, benzothiophenyl group , Dibenzofuranyl group, dibenzothiophenyl group, benzocarbazolyl group, dibenzocarbazolyl group, dibenzosilolyl group, pyridinyl group, imidazolyl group, pyrazolyl group, thiazolyl group, isothiazolyl group, oxazole Diary, isoxazolyl group, thiadiazolyl group, oxadiazolyl group, pyrazinyl group, pyrimidinyl group, pyridazinyl group, triazinyl group, quinolinyl group, isoquinolinyl group, benzoquinolinyl group, phthalazinyl Group, naphthyridinyl group, quinoxalinyl group, quinazolinyl group, sinolinyl group, phenanthridinyl group, acridinyl group, phenanthrolinyl group, phenazinyl group, benzoimidazolyl group, isobenzothiazolyl group, benzooxazolyl group , Isobenzooxazolyl group, triazolyl group, tetrazolyl group, imidazopyridinyl group, imidazopyrimidinyl group, azacarbazolyl group, -Si(Q ₃₁ )(Q ₃₂ )(Q ₃₃ ), -N( Q ₃₁ )(Q ₃₂ ), -B(Q ₃₁ )(Q ₃₂ ), -C(=O)(Q ₃₁ ), -S(=O) ₂ (Q ₃₁ ) and -P(=O)(Q ₃₁ ) (Q ₃₂ ) substituted with at least one selected from, a phenylene group, a naphthylene group, a fluorenylene group, a spiro-bifluorenylene group, a benzofluorenylene group, a dibenzofluorenylene group, phenanthrenyl Ethylene group, anthracenylene group, fluoranthenylene group, triphenylenylene group, pyrenylene group, chrysenylene group, perylenylene group, pentaphenylene group, hexasenylene group, pentacenylene group, thiophenylene group, furanylene group, carba Zolylene group, indolylene group, isoindolylene group, benzofuranylene group, benzothiophenylene group, dibenzofuranylene group, dibenzothiophenylene group, benzocarbazolylene group, Dibenzocarbazolylene group, dibenzosilolylene group, pyridinylene group, imidazolylene group, pyrazolylene group, thiazolylene group, isothiazolylene group, oxazolylene group, isoxazolylene group, thiadiazolylene group, oxadia Zolylene group, pyrazinylene group, pyrimidinylene group, pyridazinylene group, triazinylene group, quinolinylene group, isoquinolinylene group, benzoquinolinylene group, phthalazinylene group, naphthyridinylene group, quinoxali Nylene group, quinazolinylene group, cinolinylene group, phenanthridinylene group, acridinylene group, phenanthrolinylene group, phenazinylene group, benzoimidazolylene group, isobenzothiazolylene group, benzoxazolylene group, iso Benzoxazolylene group, triazolylene group, tetrazolylene group, imidazopyridinylene group, imidazopyrimidinylene group and azacarbazolylene group;

Is selected from,

Descriptions of Q ₃₁ to Q ₃₃ may refer to those described herein.

As another example, in Formulas 301, 301-1 and 301-2, R ₃₀₁ to R ₃₀₄ are independently of each other,

Phenyl group, biphenyl group, terphenyl group, naphthyl group, fluorenyl group, spiro-bifluorenyl group, benzofluorenyl group, dibenzofluorenyl group, phenanthrenyl group, anthracenyl group, fluoranthenyl group, triphenyle Nil group, pyrenyl group, chrysenyl group, perylenyl group, pentaphenyl group, hexaenyl group, pentacenyl group, thiophenyl group, furanyl group, carbazolyl group, indolyl group, isoindolyl group, benzofuranyl group, benzothiophenyl group, Dibenzofuranyl group, dibenzothiophenyl group, benzocarbazolyl group, dibenzocarbazolyl group, dibenzosilolyl group, pyridinyl group, imidazolyl group, pyrazolyl group, thiazolyl group, isothiazolyl group, oxazolyl group , Isoxazolyl group, thiadiazolyl group, oxadiazolyl group, pyrazinyl group, pyrimidinyl group, pyridazinyl group, triazinyl group, quinolinyl group, isoquinolinyl group, benzoquinolinyl group, phthalazinyl group , Naphthyridinyl group, quinoxalinyl group, quinazolinyl group, sinolinyl group, phenanthridinyl group, acridinyl group, phenanthrolinyl group, phenazinyl group, benzoimidazolyl group, isobenzothiazolyl group, benzooxazolyl group, Isobenzooxazolyl group, triazolyl group, tetrazolyl group, imidazopyridinyl group, imidazopyrimidinyl group and azacarbazolyl group; And

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group , Phenyl group, biphenyl group, terphenyl group, naphthyl group, fluorenyl group, spiro-bifluorenyl group, benzofluorenyl group, dibenzofluorenyl group, phenanthrenyl group, anthracenyl group, fluoranthenyl group, triphenyl Renyl group, pyrenyl group, chrysenyl group, perylenyl group, pentaphenyl group, hexaenyl group, pentacenyl group, thiophenyl group, furanyl group, carbazolyl group, indolyl group, isoindolyl group, benzofuranyl group, benzothiophenyl group , Dibenzofuranyl group, dibenzothiophenyl group, benzocarbazolyl group, dibenzocarbazolyl group, dibenzosilolyl group, pyridinyl group, imidazolyl group, pyrazolyl group, thiazolyl group, isothiazolyl group, oxazole Diary, isoxazolyl group, thiadiazolyl group, oxadiazolyl group, pyrazinyl group, pyrimidinyl group, pyridazinyl group, triazinyl group, quinolinyl group, isoquinolinyl group, benzoquinolinyl group, phthalazinyl Group, naphthyridinyl group, quinoxalinyl group, quinazolinyl group, sinolinyl group, phenanthridinyl group, acridinyl group, phenanthrolinyl group, phenazinyl group, benzoimidazolyl group, isobenzothiazolyl group, benzooxazolyl group , Isobenzooxazolyl group, triazolyl group, tetrazolyl group, imidazopyridinyl group, imidazopyrimidinyl group, azacarbazolyl group, -Si(Q ₃₁ )(Q ₃₂ )(Q ₃₃ ), -N( Q ₃₁ )(Q ₃₂ ), -B(Q ₃₁ )(Q ₃₂ ), -C(=O)(Q ₃₁ ), -S(=O) ₂ (Q ₃₁ ) and -P(=O)(Q ₃₁ ) (Q ₃₂ ) substituted with at least one selected from, a phenyl group, a biphenyl group, a terphenyl group, a naphthyl group, a fluorenyl group, a spiro-bifluorenyl group, a benzofluorenyl group, a dibenzofluorenyl group, a phenanthrenyl group , Anthracenyl group, fluoranthenyl group, triphenylenyl group, pyrenyl group, chrysenyl group, perylenyl group, pentaphenyl group, hexaenyl group, pentacenyl group, thiophenyl group, furanyl group, carbazolyl group, indolyl group , Isoindolyl group, benzofuranyl group, benzothiophenyl group, dibenzofuranyl group, dibenzothiophenyl group, benzocarbazolyl group, dibenzocarbazolyl group, dibenzosyl Rolyl group, pyridinyl group, imidazolyl group, pyrazolyl group, thiazolyl group, isothiazolyl group, oxazolyl group, isoxazolyl group, thiadiazolyl group, oxadiazolyl group, pyrazinyl group, pyrimidinyl group, Pyridazinyl group, triazinyl group, quinolinyl group, isoquinolinyl group, benzoquinolinyl group, phthalazinyl group, naphthyridinyl group, quinoxalinyl group, quinazolinyl group, sinolinyl group, phenanthridinyl group, arc Lidinyl group, phenanthrolinyl group, phenazinyl group, benzoimidazolyl group, isobenzothiazolyl group, benzoxazolyl group, isobenzooxazolyl group, triazolyl group, tetrazolyl group, imidazopyridinyl group, imidazopyr A midinyl group and azacarbazolyl group;

Is selected from,

Descriptions of Q ₃₁ to Q ₃₃ may refer to those described herein.

As another example, the host may include an alkaline earth metal complex. For example, the host may be selected from a Be complex (eg, Compound H55 below), an Mg complex, and a Zn complex.

The host is ADN (9,10-Di(2-naphthyl)anthracene), MADN (2-Methyl-9,10-bis(naphthalen-2-yl)anthracene), TBADN (9,10-di-(2- naphthyl)-2-t-butyl-anthracene), CBP (4,4′-bis(N-carbazolyl)-1,1′-biphenyl), mCP (1,3-di-9-carbazolylbenzene), TCP (1 ,3,5-tri(carbazol-9-yl)benzene) and at least one selected from the following compounds H1 to H55, but are not limited thereto:

[Phosphorescent dopant included in the light emitting layer of the organic layer 150]

The phosphorescent dopant may include an organometallic complex represented by Formula 401 below:

<Formula 401>

M(L ₄₀₁ ) _xc1 (L ₄₀₂ ) _xc2

<Formula 402>

In Formulas 401 and 402,

M is iridium (Ir), platinum (Pt), palladium (Pd), osmium (Os), titanium (Ti), zirconium (Zr), hafnium (Hf), europium (Eu), terbium (Tb), rhodium (Rh). ) And thulium (Tm),

L ₄₀₁ is selected from the ligands represented by Formula 402, xc1 is 1, 2, or 3, and when xc1 is 2 or more, two or more L ₄₀₁ are the same or different from each other,

L ₄₀₂ is an organic ligand, xc2 is selected from an integer of 0 to 4, and when xc2 is 2 or more, two or more L ₄₀₂ are the same or different from each other,

X ₄₀₁ to X ₄₀₄ are each independently nitrogen or carbon,

X ₄₀₁ and X ₄₀₃ are connected through a single bond or a double bond, X ₄₀₂ and X ₄₀₄ are connected through a single bond or a double bond,

A ₄₀₁ and A ₄₀₂ are each independently a C ₅ -C ₆₀ carbocyclic group or a C ₁ -C ₆₀ heterocyclic group,

X ₄₀₅ is a single bond, *-O-*', *-S-*', *-C(=O)-*', *-N(Q ₄₁₁ )-*', *-C(Q ₄₁₁ )( Q ₄₁₂ )-*', *-C(Q ₄₁₁ )=C(Q ₄₁₂ )-*', *-C(Q ₄₁₁ )=*' or *=C=*', and Q ₄₁₁ and Q ₄₁₂ are , Hydrogen, deuterium, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group, phenyl group, biphenyl group, terphenyl group or naphthyl group,

X ₄₀₆ is a single bond, O or S,

R ₄₀₁ and R ₄₀₂ are independently of each other, hydrogen, deuterium, -F, -Cl, -Br, -I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, a substituted or Unsubstituted C ₁ -C ₂₀ alkyl group, substituted or unsubstituted C ₁ -C ₂₀ alkoxy group, substituted or unsubstituted C ₃ -C ₁₀ cycloalkyl group, substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkyl group, A substituted or unsubstituted C ₃ -C ₁₀ cycloalkenyl group, a substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkenyl group, a substituted or unsubstituted C ₆ -C ₆₀ aryl group, a substituted or unsubstituted C _6- C ₆₀ aryloxy group, substituted or unsubstituted C ₆ -C ₆₀ arylthio group, substituted or unsubstituted C ₁ -C ₆₀ heteroaryl group, substituted or unsubstituted monovalent non-aromatic condensed polycyclic group and substituted or Unsubstituted monovalent non-aromatic condensed heteropolycyclic group, -Si (Q ₄₀₁ ) (Q ₄₀₂ ) (Q ₄₀₃ ), -N (Q ₄₀₁ ) (Q ₄₀₂ ), -B (Q ₄₀₁ ) (Q ₄₀₂ ), -C(=O)(Q ₄₀₁ ), -S(=O) ₂ (Q ₄₀₁ ) and -P(=O)(Q ₄₀₁ )(Q ₄₀₂ ), and the Q ₄₀₁ to Q ₄₀₃ are independent of each other As, it is selected from a C ₁ -C ₁₀ alkyl group, a C ₁ -C ₁₀ alkoxy group, a C ₆ -C ₂₀ aryl group, and a C ₁ -C ₂₀ heteroaryl group,

xc11 and xc12 are each independently selected from an integer of 0 to 10,

* And *'in Formula 402 are the binding sites with M in Formula 401.

According to an embodiment, in Formula 402, A ₄₀₁ and A ₄₀₂ are each independently a benzene group, a naphthalene group, a fluorene group, a spiro-bifluorene group, an indene group, a pyrrole group, a thiophene group, and a furan ( furan) group, imidazole group, pyrazole group, thiazole group, isothiazole group, oxazole group, isoxazole group, pyridine group, pyrazine group, pyrimidine group, pyridazine group, quinoline group, iso Quinoline group, benzoquinoline group, quinoxaline group, quinazoline group, carbazole group, benzoimidazole group, benzofuran group, benzothiophene group, isobenzothiophene group, benzoxazole group, isobenzooxa It may be selected from a sol group, a triazole group, a tetrazole group, an oxadiazole group, a triazine group, a dibenzofuran group, and a dibenzothiophene group.

According to another embodiment, in Formula 402, i) X ₄₀₁ may be nitrogen, and X ₄₀₂ may be carbon, or ii) both X ₄₀₁ and X ₄₀₂ may be nitrogen.

According to another embodiment, in Formula 402, R ₄₀₁ and R ₄₀₂ are independently of each other,

Hydrogen, deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group and C ₁ -C ₂₀ Alkoxy group;

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, phenyl group, naphthyl group, cyclopentyl group, cyclohexyl group, adam A C ₁ -C ₂₀ alkyl group and a C ₁ -C ₂₀ alkoxy group substituted with at least one selected from a mantanyl group, a norbonanyl group and a norbornenyl group;

Cyclopentyl group, cyclohexyl group, adamantanyl group, norbonanyl group, norbornenyl group, phenyl group, biphenyl group, terphenyl group, naphthyl group, fluorenyl group, pyridinyl group, pyrazinyl group, pyrimidinyl group, pyridazinyl Group, triazinyl group, quinolinyl group, isoquinolinyl group, quinoxalinyl group, quinazolinyl group, carbazolyl group, dibenzofuranyl group and dibenzothiophenyl group;

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group , Cyclopentyl group, cyclohexyl group, adamantanyl group, norbornanyl group, norbornenyl group, phenyl group, biphenyl group, terphenyl group, naphthyl group, fluorenyl group, pyridinyl group, pyrazinyl group, pyrimidinyl group, pyrida A cyclopentyl group, cyclohexyl group, substituted with at least one selected from a genyl group, triazinyl group, quinolinyl group, isoquinolinyl group, quinoxalinyl group, quinazolinyl group, carbazolyl group, dibenzofuranyl group and dibenzothiophenyl group Sil group, adamantanyl group, norbornanyl group, norbornenyl group, phenyl group, biphenyl group, terphenyl group, naphthyl group, fluorenyl group, pyridinyl group, pyrazinyl group, pyrimidinyl group, pyridazinyl group, triazinyl group, qui Nolinyl group, isoquinolinyl group, quinoxalinyl group, quinazolinyl group, carbazolyl group, dibenzofuranyl group and dibenzothiophenyl group; And

-Si(Q ₄₀₁ )(Q ₄₀₂ )(Q ₄₀₃ ), -N(Q ₄₀₁ )(Q ₄₀₂ ), -B(Q ₄₀₁ )(Q ₄₀₂ ), -C(=O)(Q ₄₀₁ ), -S (=O) ₂ (Q ₄₀₁ ) and -P(=O) (Q ₄₀₁ ) (Q ₄₀₂ );

Is selected from,

The _Q401 to _Q403 may be each independently selected from a C ₁ -C ₁₀ alkyl group, a C ₁ -C ₁₀ alkoxy group, a phenyl group, a biphenyl group, and a naphthyl group, but are not limited thereto.

According to yet another embodiment, if the above formula 401 xc1 is 2 or more of, two of the two or more L ₄₀₁ of A ₄₀₁ are either selectively connected to each other through a by (optionally), connected group X _407, 2 of A ₄₀₂ is optionally , And may be connected to each other through a linking group X ₄₀₈ (see compounds PD1 to PD4 and PD7 below). The X ₄₀₇ and X ₄₀₈ are each independently a single bond, *-O-*', *-S-*', *-C(=O)-*', *-N(Q ₄₁₃ )-*', *-C(Q ₄₁₃ )(Q ₄₁₄ )-*' or *-C(Q ₄₁₃ )=C(Q ₄₁₄ )-*' (where Q ₄₁₃ and Q ₄₁₄ are independently of each other, hydrogen, deuterium, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group, phenyl group, biphenyl group, terphenyl group, or naphthyl group), but is not limited thereto.

In Formula 401, L ₄₀₂ may be any monovalent, divalent, or trivalent organic ligand. For example, the L ₄₀₂ is halogen, diketone (e.g., acetylacetonate), carboxylic acid (e.g. picolinate), -C(=O), isonitrile, -CN and phosphorus (For example, phosphine (phosphine), phosphite (phosphite)) may be selected from, but is not limited thereto.

Alternatively, the phosphorescent dopant may be selected from the following compounds PD1 to PD25, for example, but is not limited thereto:

[Fluorescent dopant in light emitting layer]

The fluorescent dopant may include an arylamine compound or a styrylamine compound.

The fluorescent dopant may include a compound represented by Formula 501 below:

<Formula 501>

In Formula 501,

Ar ₅₀₁ is a substituted or unsubstituted C ₅ -C ₆₀ carbocyclic group or a substituted or unsubstituted C ₁ -C ₆₀ heterocyclic group,

L ₅₀₁ to L ₅₀₃ are each independently a substituted or unsubstituted C ₃ -C ₁₀ cycloalkylene group, a substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkylene group, a substituted or unsubstituted C ₃ -C ₁₀ cyclo Alkenylene group, substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkenylene group, substituted or unsubstituted C ₆ -C ₆₀ arylene group, substituted or unsubstituted C ₁ -C ₆₀ heteroarylene group, substituted or unsubstituted It is selected from a cyclic divalent non-aromatic condensed polycyclic group and a substituted or unsubstituted divalent non-aromatic condensed heteropolycyclic group,

xd1 to xd3 are each independently selected from an integer of 0 to 3,

R ₅₀₁ and R ₅₀₂ are each independently a substituted or unsubstituted C ₃ -C ₁₀ cycloalkyl group, a substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkyl group, a substituted or unsubstituted C ₃ -C ₁₀ cycloalkenyl group , A substituted or unsubstituted C ₁ -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 ₁ -C ₆₀ heteroaryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group and a substituted or unsubstituted monovalent non-aromatic heterocondensed polycyclic group Is selected,

xd4 may be selected from an integer of 1 to 6.

According to an embodiment, Ar ₅₀₁ in Formula ₅₀₁ is,

Naphthalene group, heptalene group, fluorene group, spiro-bifluorene group, benzofluorene group, dibenzofluorene group, phenalene group, phenanthrene group, anthracene group, fluoranthene group, triphenylene group , Pyrene group, chrysene group, naphthacene group, picene group, perylene group, pentaphene group, indenoanthracene group and indenophenanthrene group; And

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group , A naphthalene group, a heptalene group, a fluorene group, a spiro-bifluorene group, a benzofluorene group, a dibenzofluorene group, phenalene substituted with at least one selected from a phenyl group, a biphenyl group, a terphenyl group and a naphthyl group Group, phenanthrene group, anthracene group, fluoranthene group, triphenylene group, pyrene group, chrysene group, naphthacene group, picene group, perylene group, pentaphene group, indenoanthracene group and indenofenane Tren group;

Can be selected from.

According to another embodiment, in Formula 501, L ₅₀₁ to L ₅₀₃ are independently of each other,

Phenylene group, naphthylene group, fluorenylene group, spiro-bifluorenylene group, benzofluorenylene group, dibenzofluorenylene group, phenanthrenylene group, anthracenylene group, fluoranthenylene group, triphenyl Renylene group, pyrenylene group, chrysenylene group, perylene group, pentaphenylene group, hexasenylene group, pentacenylene group, thiophenylene group, furanylene group, carbazolylene group, indolylene group, isoindolene group, benzo Furanylene group, benzothiophenylene group, dibenzofuranylene group, dibenzothiophenylene group, benzocarbazolylene group, dibenzocarbazolylene group, dibenzosilolylene group, pyridinylene group; And

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group , Phenyl group, biphenyl group, terphenyl group, naphthyl group, fluorenyl group, spiro-bifluorenyl group, benzofluorenyl group, dibenzofluorenyl group, phenanthrenyl group, anthracenyl group, fluoranthenyl group, triphenyl Renyl group, pyrenyl group, chrysenyl group, perylenyl group, pentaphenyl group, hexaenyl group, pentacenyl group, thiophenyl group, furanyl group, carbazolyl group, indolyl group, isoindolyl group, benzofuranyl group, benzothiophenyl group , Dibenzofuranyl group, dibenzothiophenyl group, benzocarbazolyl group, dibenzocarbazolyl group, dibenzosilolyl group and pyridinyl group substituted with at least one selected from, phenylene group, naphthylene group, fluorenylene group, spy Rho-bifluorenylene group, benzofluorenylene group, dibenzofluorenylene group, phenanthrenylene group, anthracenylene group, fluoranthenylene group, triphenyllenylene group, pyrenylene group, chrysenylene group, perylene Nylene group, pentaphenylene group, hexaenylene group, pentacenylene group, thiophenylene group, furanylene group, carbazolylene group, indolylene group, isoindolene group, benzofuranylene group, benzothiophenylene group, dibenzofuranyl Ene group, dibenzothiophenylene group, benzocarbazolylene group, dibenzocarbazolylene group, dibenzosilolylene group, pyridinylene group;

Can be selected from.

According to another embodiment, in Formula 501, R ₅₀₁ and R ₅₀₂ are independently of each other,

Phenyl group, biphenyl group, terphenyl group, naphthyl group, fluorenyl group, spiro-bifluorenyl group, benzofluorenyl group, dibenzofluorenyl group, phenanthrenyl group, anthracenyl group, fluoranthenyl group, triphenyle Nil group, pyrenyl group, chrysenyl group, perylenyl group, pentaphenyl group, hexaenyl group, pentacenyl group, thiophenyl group, furanyl group, carbazolyl group, indolyl group, isoindolyl group, benzofuranyl group, benzothiophenyl group, Dibenzofuranyl group, dibenzothiophenyl group, benzocarbazolyl group, dibenzocarbazolyl group, dibenzosilolyl group, and pyridinyl group; And

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group , Phenyl group, biphenyl group, terphenyl group, naphthyl group, fluorenyl group, spiro-bifluorenyl group, benzofluorenyl group, dibenzofluorenyl group, phenanthrenyl group, anthracenyl group, fluoranthenyl group, triphenyl Renyl group, pyrenyl group, chrysenyl group, perylenyl group, pentaphenyl group, hexaenyl group, pentacenyl group, thiophenyl group, furanyl group, carbazolyl group, indolyl group, isoindolyl group, benzofuranyl group, benzothiophenyl group , Dibenzofuranyl group, dibenzothiophenyl group, benzocarbazolyl group, dibenzocarbazolyl group, dibenzosilolyl group, pyridinyl group and -Si (Q ₃₁ ) (Q ₃₂ ) (Q ₃₃ ) substituted with at least one selected from , Phenyl group, biphenyl group, terphenyl group, naphthyl group, fluorenyl group, spiro-bifluorenyl group, benzofluorenyl group, dibenzofluorenyl group, phenanthrenyl group, anthracenyl group, fluoranthenyl group, tri Phenylenyl group, pyrenyl group, chrysenyl group, perylenyl group, pentaphenyl group, hexaenyl group, pentacenyl group, thiophenyl group, furanyl group, carbazolyl group, indolyl group, isoindolyl group, benzofuranyl group, benzothio Phenyl group, dibenzofuranyl group, dibenzothiophenyl group, benzocarbazolyl group, dibenzocarbazolyl group, dibenzosilolyl group and pyridinyl group;

Is selected from,

The Q ₃₁ to Q ₃₃ may be selected from a C ₁ -C ₁₀ alkyl group, a C ₁ -C ₁₀ alkoxy group, a phenyl group, a biphenyl group, a terphenyl group, and a naphthyl group.

According to another embodiment, in Formula 501, xd4 may be 2, but is not limited thereto.

For example, the fluorescent dopant may be selected from the following compounds FD1 to FD22:

Alternatively, the fluorescent dopant may be selected from the following compounds, but is not limited thereto.

[Electron transport region in the organic layer 150]

The electron transport region is i) a single layer structure made of a single layer made of a single material, ii) a single layer structure made of a single layer made of a plurality of different materials, or iii) a multilayer structure having a plurality of layers made of a plurality of different materials Can have

The electron transport region may include at least one layer selected from a buffer layer, a hole blocking layer, an electron control layer, an electron transport layer (ETL), and an electron injection layer, but is not limited thereto.

For example, the electron transport region may include an electron transport layer/electron injection layer, a hole blocking layer/electron transport layer/electron injection layer, an electron control layer/electron transport layer/electron injection layer, or a buffer layer/electron transport layer/ It may have a structure such as an electron injection layer, but is not limited thereto.

The electron transport region (eg, a buffer layer, a hole blocking layer, an electron control layer, or an electron transport layer in the electron transport region) may include a metal-free compound including at least one π electron deficient nitrogen-containing ring. .

The "π electron deficient nitrogen-containing ring" means a C ₁ -C ₆₀ heterocyclic group having at least one *-N=*' moiety as a ring-forming moiety.

For example, the "π electron deficient nitrogen-containing ring" is i) a 5 to 7 membered heteromonocyclic group having at least one *-N=*' moiety, or ii) at least one *- A heteropolycyclic group in which two or more of the 5- to 7-membered heteromonocyclic groups having an N=*' moiety are condensed with each other, or iii) a 5-membered having at least one *-N=*' moiety It may be a heteropolycyclic group in which at least one of the to 7 membered heteromonocyclic groups and at least one C ₅ -C ₆₀ carbocyclic group are condensed with each other.

Specific examples of the π electron deficient nitrogen-containing ring include imidazole, pyrazole, thiazole, isothiazole, oxazole, isoxazole, pyridine, pyrazine, pyrimidine, pyridazine, indazole, and purine. , Quinoline, isoquinoline, benzoquinoline, phthalazine, naphthyridine, quinoxaline, quinazoline, sinoline, phenanthridine, acridine, phenanthroline, phenazine, benzoimidazole, isobenzothiazole, benzo Oxazole, isobenzoxazole, triazole, tetrazole, oxadiazole, triazine, thiadiazole, imidazopyridine, imidazopyrimidine, azacarbazole, and the like, but are not limited thereto.

For example, the electron transport region may include a compound represented by Formula 601 below.

<Formula 601>

[Ar ₆₀₁ ] _xe11 -[(L ₆₀₁ ) _xe1 -R ₆₀₁ ] _xe21

In Formula 601,

Ar ₆₀₁ is a substituted or unsubstituted C ₅ -C ₆₀ carbocyclic group or a substituted or unsubstituted C ₁ -C ₆₀ heterocyclic group,

xe11 is 1, 2 or 3,

L ₆₀₁ is a substituted or unsubstituted C ₃ -C ₁₀ cycloalkylene group, a substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkylene group, a substituted or unsubstituted C ₃ -C ₁₀ cycloalkenylene group, a substituted or Unsubstituted C ₁ -C ₁₀ heterocycloalkenylene group, substituted or unsubstituted C ₆ -C ₆₀ arylene group, substituted or unsubstituted C ₁ -C ₆₀ heteroarylene group, substituted or unsubstituted divalent bi- It is selected from an aromatic condensed polycyclic group and a substituted or unsubstituted divalent non-aromatic condensed heteropolycyclic group,

xe1 is selected from an integer of 0 to 5,

R ₆₀₁ is a substituted or unsubstituted C ₃ -C ₁₀ cycloalkyl group, a substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkyl group, a substituted or unsubstituted C ₃ -C ₁₀ cycloalkenyl group, a substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkenyl group, substituted or unsubstituted C ₆ -C ₆₀ aryl group, substituted or unsubstituted C ₆ -C ₆₀ aryloxy group, substituted or unsubstituted C ₆ -C ₆₀ arylthio group , A substituted or unsubstituted C ₁ -C ₆₀ heteroaryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group, -Si (Q ₆₀₁ ) (Q ₆₀₂ )(Q ₆₀₃ ),--C(=O)(Q ₆₀₁ ), -S(=O) ₂ (Q ₆₀₁ ) and -P(=O)(Q ₆₀₁ )(Q ₆₀₂ ) ,

The Q ₆₀₁ to Q ₆₀₃ are each independently a C ₁ -C ₁₀ alkyl group, a C ₁ -C ₁₀ alkoxy group, a phenyl group, a biphenyl group, a terphenyl group or a naphthyl group,

xe21 is selected from an integer of 1 to 5.

According to an embodiment, at least one of the xe11 Ar ₆₀₁ and xe21 R ₆₀₁ may include a π electron deficient nitrogen-containing ring as described above.

According to an embodiment, the ring Ar ₆₀₁ in Formula ₆₀₁ is,

Benzene group, naphthalene group, fluorene group, spiro-bifluorene group, benzofluorene group, dibenzofluorene group, phenalene group, phenanthrene group, anthracene group, fluoranthene group, triphenylene group, Pyrene group, chrysene group, naphthacene group, picene group, perylene group, pentaphene group, indenoanthracene group, dibenzofuran group, dibenzothiophene group, carbazole group, imidazole group, pyrazole group , Thiazole group, isothiazole group, oxazole group, isoxazole group, pyridine group, pyrazine group, pyrimidine group, pyridazine group, indazole group, purine group, quinoline group, isoquinoline group, benzoquinoline group, Phthalargine group, naphthyridine group, quinoxaline group, quinazoline group, sinoline group, phenanthridine group, acridine group, phenanthroline group, phenazine group, benzoimidazole group, isobenzothiazole group , Benzoxazole group, isobenzoxazole group, triazole group, tetrazole group, oxadiazole group, triazine group, thiadiazole group, imidazopyridine group, imidazopyrimidine group and azacarbazole group ; And

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group , Phenyl group, biphenyl group, terphenyl group, naphthyl group, -Si(Q ₃₁ )(Q ₃₂ )(Q ₃₃ ), -S(=O) ₂ (Q ₃₁ ) and -P(=O)(Q ₃₁ )( Q ₃₂ ) substituted with at least one selected from a benzene group, a naphthalene group, a fluorene group, a spiro-bifluorene group, a benzofluorene group, a dibenzofluorene group, a phenalene group, a phenanthrene group, an anthracene group, Fluoranthene group, triphenylene group, pyrene group, chrysene group, naphthacene group, picene group, perylene group, pentaphene group, indenoanthracene group, dibenzofuran group, dibenzothiophene group, carba Sol group, imidazole group, pyrazole group, thiazole group, isothiazole group, oxazole group, isoxazole group, pyridine group, pyrazine group, pyrimidine group, pyridazine group, indazole group, purine group, quinoline Group, isoquinoline group, benzoquinoline group, phthalazine group, naphthyridine group, quinoxaline group, quinazoline group, sinoline group, phenanthridine group, acridine group, phenanthroline group, phenazine group, Benzoimidazole group, isobenzothiazole group, benzoxazole group, isobenzoxazole group, triazole group, tetrazole group, oxadiazole group, triazine group, thiadiazole group, imidazopyridine group, imidazole Dazopyrimidine group and azacarbazole group;

Can be selected from,

The Q ₃₁ to Q ₃₃ may be each independently selected from a C ₁ -C ₁₀ alkyl group, a C ₁ -C ₁₀ alkoxy group, a phenyl group, a biphenyl group, a terphenyl group, and a naphthyl group.

When xe11 is 2 or more in Formula 601, two or more Ar ₆₀₁ may be connected to each other through a single bond.

According to another embodiment, Ar ₆₀₁ in Formula 601 may be an anthracene group.

According to another embodiment, the compound represented by 601 may be represented by the following Formula 601-1:

<Chemical Formula 601-1>

In Formula 601-1,

X ₆₁₄ is N or C (R ₆₁₄ ), X ₆₁₅ is N or C (R ₆₁₅ ), X ₆₁₆ is N or C (R ₆₁₆ ), and at least one of X ₆₁₄ to X ₆₁₆ is N,

L ₆₁₁ to L ₆₁₃ are each independently, refer to the description of L ₆₀₁ ,

xe611 to xe613 are independently of each other, refer to the description of xe1,

R ₆₁₁ to R ₆₁₃ are each independently of each other, refer to the description of R ₆₀₁ ,

R ₆₁₄ to R ₆₁₆ are each independently hydrogen, deuterium, -F, -Cl, -Br, -I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, C ₁ It may be selected from -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group, phenyl group, biphenyl group, terphenyl group and naphthyl group.

According to an embodiment, in Formulas 601 and 601-1, L ₆₀₁ and L ₆₁₁ to L ₆₁₃ are independently of each other,

Phenylene group, naphthylene group, fluorenylene group, spiro-bifluorenylene group, benzofluorenylene group, dibenzofluorenylene group, phenanthrenylene group, anthracenylene group, fluoranthenylene group, triphenyl Renylene group, pyrenylene group, chrysenylene group, perylene group, pentaphenylene group, hexasenylene group, pentacenylene group, thiophenylene group, furanylene group, carbazolylene group, indolylene group, isoindolene group, benzo Furanylene group, benzothiophenylene group, dibenzofuranylene group, dibenzothiophenylene group, benzocarbazolylene group, dibenzocarbazolylene group, dibenzosilolylene group, pyridinylene group, imidazolylene group, pyrazolylene group , Thiazolylene group, isothiazolylene group, oxazolylene group, isoxazolylene group, thiadiazolylene group, oxadiazolylene group, pyrazinylene group, pyrimidinylene group, pyridazinylene group, triazinylene group, quinolinyl Ren group, isoquinolinylene group, benzoquinolinylene group, phthalazinylene group, naphthyridinylene group, quinoxalinylene group, quinazolinylene group, cinolinylene group, phenanthridinylene group, acridinylene group, phenane Trollynylene group, phenazinylene group, benzoimidazolylene group, isobenzothiazolylene group, benzoxazolylene group, isobenzooxazolylene group, triazolylene group, tetrazolylene group, imidazopyridinylene group, imidazopyrimidi A nylene group and an azacarbazolylene group; And

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group , Phenyl group, biphenyl group, terphenyl group, naphthyl group, fluorenyl group, spiro-bifluorenyl group, benzofluorenyl group, dibenzofluorenyl group, phenanthrenyl group, anthracenyl group, fluoranthenyl group, triphenyl Renyl group, pyrenyl group, chrysenyl group, perylenyl group, pentaphenyl group, hexaenyl group, pentacenyl group, thiophenyl group, furanyl group, carbazolyl group, indolyl group, isoindolyl group, benzofuranyl group, benzothiophenyl group , Dibenzofuranyl group, dibenzothiophenyl group, benzocarbazolyl group, dibenzocarbazolyl group, dibenzosilolyl group, pyridinyl group, imidazolyl group, pyrazolyl group, thiazolyl group, isothiazolyl group, oxazole Diary, isoxazolyl group, thiadiazolyl group, oxadiazolyl group, pyrazinyl group, pyrimidinyl group, pyridazinyl group, triazinyl group, quinolinyl group, isoquinolinyl group, benzoquinolinyl group, phthalazinyl Group, naphthyridinyl group, quinoxalinyl group, quinazolinyl group, sinolinyl group, phenanthridinyl group, acridinyl group, phenanthrolinyl group, phenazinyl group, benzoimidazolyl group, isobenzothiazolyl group, benzooxazolyl group , Isobenzooxazolyl group, triazolyl group, tetrazolyl group, imidazopyridinyl group, imidazopyrimidinyl group and azacarbazolyl group substituted with at least one selected from, phenylene group, naphthylene group, fluorenylene group, Spiro-bifluorenylene group, benzofluorenylene group, dibenzofluorenylene group, phenanthrenylene group, anthracenylene group, fluoranthenylene group, triphenylenylene group, pyrenylene group, chrysenylene group, p Rylene group, pentaphenylene group, hexasenylene group, pentacenylene group, thiophenylene group, furanylene group, carbazolylene group, indolylene group, isoindolylene group, benzofuranylene group, benzothiophenylene group, dibenzopyu Ranylene group, dibenzothiophenylene group, benzocarbazolylene group, dibenzocarbazolylene group, dibenzosilolylene group, pyridinylene group, imidazolylene group, pyrazolylene group, thiazolylene group, isothiazolylene group, oxazolyl Ene group, isoxazolylene group, thiadiazolylene group, oxadiazolylene group, pyrazinylene group, pyrimidinylene group, Pyridazinylene group, triazinylene group, quinolinylene group, isoquinolinylene group, benzoquinolinylene group, phthalazinylene group, naphthyridinylene group, quinoxalinylene group, quinazolinylene group, cinolinylene group , Phenanthridinylene group, acridinylene group, phenanthrolinylene group, phenazinylene group, benzoimidazolylene group, isobenzothiazolylene group, benzoxazolylene group, isobenzoxazolylene group, triazolylene group, tetrazolylene group , Imidazopyridinylene group, imidazopyrimidinylene group, and azacarbazolylene group;

It may be selected from, but is not limited thereto.

According to another embodiment, in Formulas 601 and 601-1, xe1 and xe611 to xe613 may be 0, 1, or 2 independently of each other.

According to another embodiment, in Formulas 601 and 601-1, R ₆₀₁ and R ₆₁₁ to R ₆₁₃ are independently of each other,

Phenyl group, biphenyl group, terphenyl group, naphthyl group, fluorenyl group, spiro-bifluorenyl group, benzofluorenyl group, dibenzofluorenyl group, phenanthrenyl group, anthracenyl group, fluoranthenyl group, triphenyle Nil group, pyrenyl group, chrysenyl group, perylenyl group, pentaphenyl group, hexaenyl group, pentacenyl group, thiophenyl group, furanyl group, carbazolyl group, indolyl group, isoindolyl group, benzofuranyl group, benzothiophenyl group, Dibenzofuranyl group, dibenzothiophenyl group, benzocarbazolyl group, dibenzocarbazolyl group, dibenzosilolyl group, pyridinyl group, imidazolyl group, pyrazolyl group, thiazolyl group, isothiazolyl group, oxazolyl group , Isoxazolyl group, thiadiazolyl group, oxadiazolyl group, pyrazinyl group, pyrimidinyl group, pyridazinyl group, triazinyl group, quinolinyl group, isoquinolinyl group, benzoquinolinyl group, phthalazinyl group , Naphthyridinyl group, quinoxalinyl group, quinazolinyl group, sinolinyl group, phenanthridinyl group, acridinyl group, phenanthrolinyl group, phenazinyl group, benzoimidazolyl group, isobenzothiazolyl group, benzooxazolyl group, Isobenzooxazolyl group, triazolyl group, tetrazolyl group, imidazopyridinyl group, imidazopyrimidinyl group and azacarbazolyl group;

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group , Phenyl group, biphenyl group, terphenyl group, naphthyl group, fluorenyl group, spiro-bifluorenyl group, benzofluorenyl group, dibenzofluorenyl group, phenanthrenyl group, anthracenyl group, fluoranthenyl group, triphenyl Renyl group, pyrenyl group, chrysenyl group, perylenyl group, pentaphenyl group, hexaenyl group, pentacenyl group, thiophenyl group, furanyl group, carbazolyl group, indolyl group, isoindolyl group, benzofuranyl group, benzothiophenyl group , Dibenzofuranyl group, dibenzothiophenyl group, benzocarbazolyl group, dibenzocarbazolyl group, dibenzosilolyl group, pyridinyl group, imidazolyl group, pyrazolyl group, thiazolyl group, isothiazolyl group, oxazole Diary, isoxazolyl group, thiadiazolyl group, oxadiazolyl group, pyrazinyl group, pyrimidinyl group, pyridazinyl group, triazinyl group, quinolinyl group, isoquinolinyl group, benzoquinolinyl group, phthalazinyl Group, naphthyridinyl group, quinoxalinyl group, quinazolinyl group, sinolinyl group, phenanthridinyl group, acridinyl group, phenanthrolinyl group, phenazinyl group, benzoimidazolyl group, isobenzothiazolyl group, benzooxazolyl group , Isobenzooxazolyl group, triazolyl group, tetrazolyl group, imidazopyridinyl group, imidazopyrimidinyl group and azacarbazolyl group, substituted with at least one selected from, phenyl group, biphenyl group, terphenyl group, naphthyl group, flu Orenyl group, spiro-bifluorenyl group, benzofluorenyl group, dibenzofluorenyl group, phenanthrenyl group, anthracenyl group, fluoranthenyl group, triphenylenyl group, pyrenyl group, chrysenyl group, perylene Nyl group, pentaphenyl group, hexaenyl group, pentacenyl group, thiophenyl group, furanyl group, carbazolyl group, indolyl group, isoindolyl group, benzofuranyl group, benzothiophenyl group, dibenzofuranyl group, dibenzothiophenyl group, benzocarba Zolyl group, dibenzocarbazolyl group, dibenzosilolyl group, pyridinyl group, imidazolyl group, pyrazolyl group, thiazolyl group, isothiazolyl group, oxazolyl group, isoxazolyl group, thiadiazolyl group, oxadia Zolyl group, pyrazinyl group, pyrimidinyl group, pyridazinyl group, triazinyl group, quinolinyl group, isoqui Nolinyl group, benzoquinolinyl group, phthalazinyl group, naphthyridinyl group, quinoxalinyl group, quinazolinyl group, sinolinyl group, phenanthridinyl group, acridinyl group, phenanthrolinyl group, phenazinyl group, benzoimidazolyl group , Isobenzothiazolyl group, benzoxazolyl group, isobenzooxazolyl group, triazolyl group, tetrazolyl group, imidazopyridinyl group, imidazopyrimidinyl group and azacarbazolyl group; And

-S(=O) ₂ (Q ₆₀₁ ) and -P(=O) (Q ₆₀₁ ) (Q ₆₀₂ );

Is selected from,

For the description of Q ₆₀₁ and Q ₆₀₂ above, refer to the descriptions herein.

The electron transport region may include at least one compound selected from the following compounds ET1 to ET36, but is not limited thereto:

Alternatively, the electron transport region is BCP (2,9-Dimethyl-4,7-diphenyl-1,10-phenanthroline), Bphen (4,7-Diphenyl-1,10-phenanthroline), Alq ₃ , BAlq, TAZ ( 3-(Biphenyl-4-yl)-5-(4- tert- butylphenyl)-4-phenyl-4 H -1,2,4-triazole) and at least one compound selected from NTAZ may be included.

The thickness of the buffer layer, the hole blocking layer, or the electron control layer may be independently of each other, and may be about 20 Å to about 1000 Å, for example, about 30 Å to about 300 Å. When the thickness of the buffer layer, the hole blocking layer, or the electron controlling layer satisfies the above-described range, excellent hole blocking characteristics or electron controlling characteristics may be obtained without a substantial increase in driving voltage.

The electron transport layer may have a thickness of about 100 Å to about 1000 Å, for example, about 150 Å to about 500 Å. When the thickness of the electron transport layer satisfies the above-described range, satisfactory electron transport characteristics can be obtained without a substantial increase in driving voltage.

The electron transport region (eg, an electron transport layer in the electron transport region) may further include a metal-containing material in addition to the above-described materials.

The metal-containing material may include at least one selected from an alkali metal complex and an alkaline earth metal complex. The metal ions of the alkali metal complex may be selected from Li ions, Na ions, K ions, Rb ions, and Cs ions, and the metal ions of the alkaline earth metal complex are Be ions, Mg ions, Ca ions, Sr ions and Ba It can be selected from ions. The ligands coordinated with the metal ions of the alkali metal complex and alkaline earth metal complex are, independently of each other, hydroxyquinoline, hydroxyisoquinoline, hydroxybenzoquinoline, hydroxyacridine, hydroxyphenanthridine, hydroxyphenyl Oxazole, hydroxyphenylthiazole, hydroxyphenyloxadiazole, hydroxyphenylthiadiazole, hydroxyphenylpyridine, hydroxyphenylbenzoimidazole, hydroxyphenylbenzothiazole, bipyridine, phenanthroline and cyclo It may be selected from pentadiene, but is not limited thereto.

For example, the metal-containing material may include a Li complex. The Li complex may include, for example, the following compound ET-D1 (lithium quinolate, LiQ) or ET-D2.

The electron transport region may include an electron injection layer that facilitates injection of electrons from the second electrode 190. The electron injection layer may directly contact the second electrode 190.

The electron injection layer is i) a single layer structure made of a single layer made of a single material, ii) a single layer structure made of a single layer made of a plurality of different materials, or iii) a multilayer structure having a plurality of layers made of a plurality of different materials Can have

The electron injection layer may include an alkali metal, alkaline earth metal, rare earth metal, alkali metal compound, alkaline earth metal compound, rare earth metal compound, alkali metal complex, alkaline earth metal complex, rare earth metal complex, or any combination thereof.

The alkali metal may be selected from Li, Na, K, Rb and Cs. According to one embodiment, the alkali metal may be Li, Na or Cs. According to another embodiment, the alkali metal may be Li or Cs, but is not limited thereto.

The alkaline earth metal may be selected from Mg, Ca, Sr, and Ba.

The rare earth metal may be selected from Sc, Y, Ce, Tb, Yb and Gd.

The alkali metal compound, alkaline earth metal compound, and rare earth metal compound may be selected from oxides and halides of the alkali metal, the alkaline earth metal and rare earth metal (e.g., fluoride, chloride, bromide, iodide, etc.) have.

The alkali metal compound may be selected from alkali metal oxides such as Li ₂ O, Cs ₂ O, K ₂ O, and alkali metal halides such as LiF, NaF, CsF, KF, LiI, NaI, CsI, and KI. According to one embodiment, the alkali metal compound may be selected from LiF, Li ₂ O, NaF, LiI, NaI, CsI, and KI, but is not limited thereto.

The alkaline earth metal compound may be selected from alkaline earth metal compounds such as BaO, SrO, CaO, Ba _x Sr _1-x O (0<x<1), Ba _x Ca _1-x O (0<x<1), etc. have. According to one embodiment, the alkaline earth metal compound may be selected from BaO, SrO, and CaO, but is not limited thereto.

The rare earth metal compound may be selected from YbF ₃ , ScF ₃ , ScO ₃ , Y ₂ O ₃ , Ce ₂ O ₃ , GdF ₃ , and TbF ₃ . According to one embodiment, the rare earth metal compound are _{YbF 3, ScF 3, TbF 3} , YbI 3, ScI 3, TbI 3 may be selected from, but is not limited to such.

The alkali metal complex, alkaline earth metal complex, and rare earth metal complex include ions of alkali metal, alkaline earth metal and rare earth metal as described above, and are coordinated to metal ions of the alkali metal complex, alkaline earth metal complex and rare earth metal complex. The ligands are, independently of each other, hydroxyquinoline, hydroxyisoquinoline, hydroxybenzoquinoline, hydroxyacridine, hydroxyphenanthridine, hydroxyphenyloxazole, hydroxyphenylthiazole, hydroxyphenyloxadia It may be selected from sol, hydroxyphenyl thiadiazole, hydroxyphenylpyridine, hydroxyphenylbenzoimidazole, hydroxyphenylbenzothiazole, bipyridine, phenanthroline, and cyclopentadiene, but is not limited thereto. .

The electron injection layer is composed of only an alkali metal, an alkaline earth metal, a rare earth metal, an alkali metal compound, an alkaline earth metal compound, a rare earth metal compound, an alkali metal complex, an alkaline earth metal complex, a rare earth metal complex, or any combination thereof, or , It may further include the organic material. When the electron injection layer further includes an organic material, the alkali metal, alkaline earth metal, rare earth metal, alkali metal compound, alkaline earth metal compound, rare earth metal compound, alkali metal complex, alkaline earth metal complex, rare earth metal complex, or any of these The combination may be uniformly or non-uniformly dispersed in the matrix made of the organic material.

The electron injection layer may have a thickness of about 1 Å to about 100 Å, and about 3 Å to about 90 Å. When the thickness of the electron injection layer satisfies the above-described range, satisfactory electron injection characteristics may be obtained without a substantial increase in driving voltage.

[Second electrode 190]

The second electrode 190 is disposed on the organic layer 150 as described above. The second electrode 190 may be a cathode, which is an electron injection electrode. In this case, the material for the second electrode 190 is a metal, an alloy, an electroconductive compound having a low work function, and a combination thereof. You can use (combination).

The second electrode 190 includes lithium (Li), silver (Ag), magnesium (Mg), aluminum (Al), aluminum-lithium (Al-Li), calcium (Ca), and magnesium-indium (Mg-In). ), magnesium-silver (Mg-Ag), ITO, and IZO may be included, but are not limited thereto. The second electrode 190 may be a transmissive electrode, a transflective electrode, or a reflective electrode.

The second electrode 190 may have a single-layer structure of a single layer or a multi-layer structure having a plurality of layers.

[Description of Figures 2 to 4]

Meanwhile, the organic light emitting device 20 of FIG. 2 has a structure in which a first capping layer 210, a first electrode 110, an organic layer 150, and a second electrode 190 are sequentially stacked, and the organic light emitting diode 20 of FIG. The light-emitting device 30 has a structure in which the first electrode 110, the organic layer 150, the second electrode 190, and the second capping layer 220 are sequentially stacked, and the organic light-emitting device 40 of FIG. 4 is The first capping layer 210, the first electrode 110, the organic layer 150, the second electrode 190, and the second capping layer 220 are sequentially stacked.

For a description of the first electrode 110, the organic layer 150, and the second electrode 190 of FIGS. 2 to 4, refer to the description of FIG. 1.

Of the organic layers 150 of the organic light-emitting devices 20 and 40, the light generated by the emission layer may pass through the first electrode 110 and the first capping layer 210, which are semi-transmissive electrodes or transmissive electrodes, and may be extracted to the outside, Of the organic layers 150 of the organic light-emitting devices 30 and 40, the light generated from the emission layer may pass through the second electrode 190 and the second capping layer 220, which are semi-transmissive electrodes or transmissive electrodes, and may be extracted to the outside.

The first capping layer 210 and the second capping layer 220 may serve to improve external luminous efficiency by the principle of constructive interference.

The first capping layer 210 and the second capping layer 220 may be independently of each other, an organic capping layer made of an organic material, an inorganic capping layer made of an inorganic material, or a composite capping layer including an organic material and an inorganic material.

At least one of the first capping layer 210 and the second capping layer 220 may be independently of each other, a carbocyclic compound, a heterocyclic compound, an amine compound, a porphine derivatives, a phthalocyanine derivative ( phthalocyanine derivatives), naphthalocyanine derivatives, alkali metal complexes, and alkaline earth metal complexes. The carbocyclic compound, heterocyclic compound and amine-based compound may be optionally substituted with a substituent including at least one element selected from O, N, S, Se, Si, F, Cl, Br, and I. . According to one embodiment, at least one of the first capping layer 210 and the second capping layer 220 may, independently of each other, include an amine compound.

According to another embodiment, at least one of the first capping layer 210 and the second capping layer 220 may independently of each other include a compound represented by Formula 201 or a compound represented by Formula 202. have.

According to another embodiment, at least one of the first capping layer 210 and the second capping layer 220 may, independently of each other, include a compound selected from the compounds HT28 to HT33 and the following compounds CP1 to CP5. However, it is not limited thereto.

In the above, the organic light emitting device has been described with reference to FIGS. 1 to 4, but is not limited thereto.

Each layer included in the hole transport region, the light emitting layer, and each layer included in the electron transport region are, respectively, a vacuum deposition method, a spin coating method, a cast method, a LB method (Langmuir-Blodgett), an inkjet printing method, a laser printing method, and a laser. It may be formed in a predetermined area by using various methods such as a thermal transfer method (Laser Induced Thermal Imaging, LITI).

When each layer included in the hole transport region, the light emitting layer, and each layer included in the electron transport region are formed by vacuum deposition, the deposition conditions are, for example, a deposition temperature of about 100 to about 500°C, about 10 It may be selected in consideration of the material to be included in the layer to be formed and the structure of the layer to be formed within a vacuum degree of ^-8 to about 10 ^-3 torr and a deposition rate of about 0.01 to about 100 Å/sec.

When each layer included in the hole transport region, the light emitting layer, and each layer included in the electron transport region are formed by spin coating, the coating conditions are, for example, a coating speed of about 2000 rpm to about 5000 rpm and about 80 It may be selected in consideration of the material to be included in the layer to be formed and the structure of the layer to be formed within the heat treatment temperature range of ℃ to 200 ℃.

[General definition of a substituent]

In the present specification, the C ₁ -C ₆₀ alkyl group refers to a linear or branched aliphatic hydrocarbon monovalent group having 1 to 60 carbon atoms, and specific examples include methyl group, ethyl group, propyl group, isobutyl group, sec-butyl Group, ter-butyl group, pentyl group, iso-amyl group, hexyl group, and the like. In the present specification, a C ₁ -C ₆₀ alkylene group refers to a divalent group having the same structure as the C ₁ -C ₆₀ alkyl group.

In the present specification, the C ₂ -C ₆₀ alkenyl group refers to a hydrocarbon group including one or more carbon double bonds in the middle or terminal of the C ₂ -C ₆₀ alkyl group, and specific examples thereof include ethenyl group, propenyl group, butenyl group And the like. In the present specification, the C ₂ -C ₆₀ alkenylene group refers to a divalent group having the same structure as the C ₂ -C ₆₀ alkenyl group.

* In the present specification, the C ₂ -C ₆₀ alkynyl group refers to a hydrocarbon group including one or more carbon triple bonds in the middle or terminal of the C ₂ -C ₆₀ alkyl group, and specific examples thereof include an ethynyl group, a propynyl group, and the like. This includes. In the present specification, the C ₂ -C ₆₀ alkynylene group refers to a divalent group having the same structure as the C ₂ -C ₆₀ alkynyl group.

In the present specification, the C ₁ -C ₆₀ alkoxy group refers to a monovalent group having the formula of -OA ₁₀₁ (here, A ₁₀₁ is the C ₁ -C ₆₀ alkyl group), and specific examples thereof include a methoxy group, an ethoxy group And an isopropyloxy group.

In the present specification, the C ₃ -C ₁₀ cycloalkyl group refers to a monovalent saturated hydrocarbon monocyclic group having 3 to 10 carbon atoms, and specific examples thereof include a cyclopropyl group, a cyclobutyl group, a cyclopentyl group, a cyclohexyl group, and a cyclo And heptyl group. In the present specification, a C ₃ -C ₁₀ cycloalkylene group refers to a divalent group having the same structure as the C ₃ -C ₁₀ cycloalkyl group.

In the present specification, the C ₁ -C ₁₀ heterocycloalkyl group refers to a monovalent monocyclic group having 1 to 10 carbon atoms including at least one hetero atom selected from N, O, Si, P and S as a ring-forming atom, and , Specific examples thereof include 1,2,3,4-oxatriazolidinyl group (1,2,3,4-oxatriazolidinyl), tetrahydrofuranyl, tetrahydrothiophenyl group, and the like. In the present specification, the C ₁ -C ₁₀ heterocycloalkylene group refers to a divalent group having the same structure as the C ₁ -C ₁₀ heterocycloalkyl group.

In the present specification, the C ₃ -C ₁₀ cycloalkenyl group is a monovalent monocyclic group having 3 to 10 carbon atoms, and refers to a group having at least one double bond in the ring, but not having aromaticity. Examples include a cyclopentenyl group, a cyclohexenyl group, a cycloheptenyl group, and the like. In the present specification, the C ₃ -C ₁₀ cycloalkenylene group refers to a divalent group having the same structure as the C ₃ -C ₁₀ cycloalkenyl group.

In the present specification, the C ₁ -C ₁₀ heterocycloalkenyl group is a monovalent monocyclic group having 1 to 10 carbon atoms including at least one hetero atom selected from N, O, Si, P and S as a ring-forming atom, and Has at least one double bond within. Specific examples of the C ₁ -C ₁₀ heterocycloalkenyl group include 4,5-dihydro-1,2,3,4-oxatriazolyl group, 2,3-dihydrofuranyl group, and 2,3-dihydro And a thiophenyl group. In the present specification, the C ₁ -C ₁₀ heterocycloalkenylene group refers to a divalent group having the same structure as the C ₁ -C ₁₀ heterocycloalkenyl group.

In the present specification, the C ₆ -C ₆₀ aryl group refers to a monovalent group having a carbocyclic aromatic system having 6 to 60 carbon atoms, and the C ₆ -C ₆₀ arylene group is a carbocyclic aromatic system having 6 to 60 carbon atoms. It means a divalent group having Specific examples of the C ₆ -C ₆₀ aryl group include a phenyl group, a naphthyl group, an anthracenyl group, a phenanthrenyl group, a pyrenyl group, and a chrysenyl group. When the C ₆ -C ₆₀ aryl group and the C ₆ -C ₆₀ arylene group include two or more rings, the two or more rings may be condensed with each other.

In the present specification, the C ₁ -C ₆₀ heteroaryl group includes at least one hetero atom selected from N, O, Si, P, and S as a ring-forming atom, and a monovalent group having a heterocyclic aromatic system having 1 to 60 carbon atoms Means, and the C ₁ -C ₆₀ heteroarylene group contains at least one hetero atom selected from N, O, Si, P and S as a ring-forming atom, and has a heterocyclic aromatic system having 1 to 60 carbon atoms. Means group. Specific examples of the C ₁ -C ₆₀ heteroaryl group include a pyridinyl group, a pyrimidinyl group, a pyrazinyl group, a pyridazinyl group, a triazinyl group, a quinolinyl group, an isoquinolinyl group, and the like. When the C ₁ -C ₆₀ heteroaryl group and the C ₁ -C ₆₀ heteroarylene group include two or more rings, the two or more rings may be condensed with each other.

In the specification C ₆ -C ₆₀ aryloxy group -OA, point ₁₀₂ (where, A ₁₀₂ is the C ₆ -C ₆₀ aryl group), a C ₆ -C ₆₀ arylthio group (arylthio) is -SA ₁₀₃ (where , A ₁₀₃ is the C ₆ -C ₆₀ aryl group).

In the present specification, in the monovalent non-aromatic condensed polycyclic group (non-aromatic condensed polycyclic group), two or more rings are condensed with each other, contain only carbon as a ring-forming atom, and the entire molecule is non-aromatic. It refers to a monovalent group having (eg, having 8 to 60 carbon atoms). Specific examples of the monovalent non-aromatic condensed polycyclic group include a fluorenyl group. In the present specification, a divalent non-aromatic condensed polycyclic group refers to a divalent group having the same structure as the monovalent non-aromatic condensed polycyclic group.

In the present specification, in the monovalent non-aromatic condensed heteropolycyclic group, two or more rings are condensed with each other, and at least one selected from N, O, Si, P and S in addition to carbon as a ring forming atom It refers to a monovalent group (eg, having 1 to 60 carbon atoms) including a hetero atom and having non-aromatic in the entire molecule. Specific examples of the monovalent non-aromatic condensed heteropolycyclic group include a carbazolyl group. In the present specification, a divalent non-aromatic condensed heteropolycyclic group refers to a divalent group having the same structure as the monovalent non-aromatic condensed heteropolycyclic group.

In the present specification, the C ₅ -C ₆₀ carbocyclic group refers to a monocyclic or polycyclic group having 5 to 60 carbon atoms including only carbon as a ring-forming atom. The C ₅ -C ₆₀ carbocyclic group may be an aromatic carbocyclic group or a non-aromatic carbocyclic group. The C ₅ -C ₆₀ carbocyclic group may be a ring such as benzene, a monovalent group such as a phenyl group, or a divalent group such as a phenylene group. Alternatively, it is the C ₅ -C according to the number attached to the substituent at the ₆₀ carbocyclic group, a C ₅ -C ₆₀ carbocyclic group during the various modifications can be made, such as in 3 or 4 is the group number of a group.

In the present specification, the C ₁ -C ₆₀ heterocyclic group has the same structure as the C ₅ -C ₆₀ carbocyclic group, but as a ring-forming atom, in addition to carbon (the number of carbons may be 1 to 60), N , O, Si, P and S means a group containing at least one hetero atom selected from.

In the present specification, the substituted C ₅ -C ₆₀ carbocyclic group, a substituted C ₁ -C ₆₀ heterocyclic group, a substituted C ₃ -C ₁₀ cycloalkylene group, a substituted C ₁ -C ₁₀ heterocycloalkyl Ethylene group, substituted C ₃ -C ₁₀ cycloalkenylene group, substituted C ₁ -C ₁₀ heterocycloalkenylene group, substituted C ₆ -C ₆₀ arylene group, substituted C ₁ -C ₆₀ heteroarylene group, substituted A divalent non-aromatic condensed polycyclic group, a substituted divalent non-aromatic condensed heteropolycyclic group, a substituted C ₁ -C ₆₀ alkyl group, a substituted C ₂ -C ₆₀ alkenyl group, a substituted C ₂ -C ₆₀ alkynyl group, Substituted C ₁ -C ₆₀ alkoxy group, substituted C ₃ -C ₁₀ cycloalkyl group, substituted C ₁ -C ₁₀ heterocycloalkyl group, substituted C ₃ -C ₁₀ cycloalkenyl group, substituted C ₁ -C ₁₀ hetero cycloalkenyl group, a substituted C ₆ -C ₆₀ aryl, substituted C ₆ -C ₆₀ aryloxy group, a substituted C ₆ -C ₆₀ arylthio group, a substituted C ₁ -C ₆₀ heteroaryl group, a substituted 1 At least one of the substituents of the non-aromatic condensed polycyclic group and the substituted monovalent non-aromatic condensed heteropolycyclic group,

Deuterium (-D), -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, C _2- C ₆₀ alkenyl group, C ₂ -C ₆₀ alkynyl group and C ₁ -C ₆₀ alkoxy group;

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ hetero cycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heteroaryl cycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy, C ₆ -C ₆₀ aryl come T, C ₁ -C ₆₀ heteroaryl group, monovalent non-aromatic condensed polycyclic group, monovalent non-aromatic condensed heteropolycyclic group, -Si(Q ₁₁ )(Q ₁₂ )(Q ₁₃ ), -N(Q ₁₁ )(Q ₁₂ ), -B(Q ₁₁ )(Q ₁₂ ), -C(=O)(Q ₁₁ ), -S(=O) ₂ (Q ₁₁ ) and -P(=O)(Q ₁₁ )(Q ₁₂ ) Substituted with at least one selected from, a C ₁ -C ₆₀ alkyl group, a C ₂ -C ₆₀ alkenyl group, a C ₂ -C ₆₀ alkynyl group, and a C ₁ -C ₆₀ alkoxy group;

C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryl An oxy group, a C ₆ -C ₆₀ arylthio group, a C ₁ -C ₆₀ heteroaryl group, a monovalent non-aromatic condensed polycyclic group and a monovalent non-aromatic condensed heteropolycyclic group;

Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, C ₂ -C ₆₀ alkenyl group , C ₂ -C ₆₀ alkynyl group, C ₁ -C ₆₀ alkoxy group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocyclo alkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy, C ₆ -C ₆₀ arylthio, C ₁ -C ₆₀ heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non- -Aromatic heterocondensed polycyclic group, -Si(Q ₂₁ )(Q ₂₂ )(Q ₂₃ ), -N(Q ₂₁ )(Q ₂₂ ), -B(Q ₂₁ )(Q ₂₂ ), -C(=O) (Q ₂₁ ), -S(=O) ₂ (Q ₂₁ ) and -P(=O)(Q ₂₁ )(Q ₂₂ ) substituted with at least one selected from, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ come heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heteroaryl cycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy, C ₆ -C ₆₀ aryl tea, A C ₁ -C ₆₀ heteroaryl group, a monovalent non-aromatic condensed polycyclic group, and a monovalent non-aromatic condensed heteropolycyclic group; And

-Si(Q ₃₁ )(Q ₃₂ )(Q ₃₃ ), -N(Q ₃₁ )(Q ₃₂ ), -B(Q ₃₁ )(Q ₃₂ ), -C(=O)(Q ₃₁ ), -S (=O) ₂ (Q ₃₁ ) and -P(=O) (Q ₃₁ ) (Q ₃₂ );

Is selected from,

The Q ₁₁ to Q ₁₃ , Q ₂₁ to Q ₂₃ and Q ₃₁ to Q ₃₃ are independently of each other, hydrogen, deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, ami Dino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, C ₂ -C ₆₀ alkenyl group, C ₂ -C ₆₀ alkynyl group, C ₁ -C ₆₀ alkoxy group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₁ -C ₆₀ heteroaryl group, monovalent non-aromatic It may be selected from a condensed polycyclic group, a monovalent non-aromatic heterocondensed polycyclic group, a biphenyl group, and a terphenyl group.

In the present specification, "Ph" refers to a phenyl group, "Me" refers to a methyl group, "Et" refers to an ethyl group, "ter-Bu" or "Bu ^t " refers to a tert-butyl group, and "OMe "Means a methoxy group.

In the present specification, "biphenyl group" means "a phenyl group substituted with a phenyl group". The "biphenyl group" belongs to the "substituted phenyl group" in which the substituent is "C ₆ -C ₆₀ aryl group".

In the present specification, "terphenyl group" means "a phenyl group substituted with a biphenyl group". The "terphenyl group" belongs to a "substituted phenyl group" in which the substituent is "C ₆ -C ₆₀ aryl group substituted with a C ₆ -C ₆₀ aryl group".

In the present specification, * and *', unless otherwise defined, mean a bonding site with a neighboring atom in the corresponding formula.

Hereinafter, a compound and an organic light emitting device according to an embodiment of the present invention will be described in more detail by way of synthesis examples and examples. In the following synthesis example, "B was used instead of A", the molar equivalent of A and the molar equivalent of B are the same.

[Synthesis Example]

Synthesis Example 1: Synthesis of Compound 1

(1) Synthesis of Intermediate 1-1

1-bromodibenzo[ b,d ]furan (a) (5g), 9,9-dimethyl-9 H -fluoren-2-amine (b) (6.4g), K _t OBu (Potassium tert-butoxide) (6.4g), P(tBu) ₃ (0.3g), and Pd ₂ (dba) ₃ (0.4g) were diluted in toluene and stirred under reflux. After 20 hours, the temperature was lowered to room temperature and the reaction was terminated with water. After extraction with ethyl acetate three times, drying with anhydrous magnesium sulfate, it was filtered under reduced pressure. The obtained residue was separated and purified by column chromatography to obtain 6.5 (86%) of Intermediate 1-1. The resulting compound was confirmed by LC-MS. C27H21NO: calc'd: M+ 375.16 foun'd: 375.26

(2) Synthesis of compound 1

Intermediate 1-1 (3.8g) was used instead of intermediate (b), and 3-iodo-9-phenyl-9H-carbazole (c) (3.7g) was used instead of 1-bromodibenzo[ b , d ]furan (a) Except that, compound 1 was obtained in the same manner as in Intermediate 1-1.

C45H32N2O: calc'd: M+ 616.25 foun'd: 616.35

Synthesis Example 2: Synthesis of Compound 2

(1) Synthesis of Intermediate 2-1

Intermediate 2-1 (8.2g, 82%) was obtained in the same manner as Intermediate 1-1 except for using Intermediate (d) (8g) instead of Intermediate (b). C37H25NO: calc'd: M+ 499.19 foun'd: 499.29

(2) Synthesis of compound 2

Compound 2 was obtained in the same manner as in Compound 1, except that Intermediate 2-1 (5g) was used instead of Intermediate 1-1. C55H36N2O: calc'd: M+ 740.28 foun'd: 740.38

Synthesis Example 3: Synthesis of Compound 3

(1) Synthesis of Intermediate 3-1

Intermediate 3-1 (5.2g, 52%) was obtained in the same manner as Intermediate 1-1 except for using Intermediate (e) (8g) instead of Intermediate (b). C37H25NO: calc'd: M+ 497.18 foun'd: 497.28

(2) Synthesis of compound 3

Compound 3 (7.4g, 75%) was obtained in the same manner as Compound 1 except for using Intermediate 3-1 (5g) instead of Intermediate 1-1. C55H36N2O: calc'd: M+ 740.28 foun'd: 740.38

Synthesis Example 4: Synthesis of Compound 4

(1) Synthesis of Intermediate 4-1

Instead of intermediate (a) (5g) and intermediate (b), 1-bromodibenzo[b,d]furan (4.9g) and spiro[cyclopentane-1,9'-fluoren]-2'-amine (7.1g) are used, respectively. Intermediate 4-1 (5.1g, 64%) was obtained in the same manner as Intermediate 1-1 except that

C29H23NO: calc'd: M+ 401.18 foun'd: 401.20

(2) Synthesis of compound 4

The same method as Intermediate 1-1 except for using Intermediate 4-1 (4g) and 3-iodo-9-phenyl-9H-carbazole (3.7g) instead of Intermediate (a) (5g) and Intermediate (b), respectively. As a result, compound 4 (4.6g, 72%) was obtained.

C47H34N2O: calc'd: M+ 647.27 foun'd: 647.28

¹ H NMR (500 MHz, CDCl ₃ ) δ= 8.22 (m, 1H), 7.79 (dd, 2H), 7.72 (dd, 1H), 7.67 (d, 1H), 7.54-7.14 (m, 17H), 6.95 (d, 1H), 6.90 (dd, 1H), 6.66 (dd, 1H),. 6.54(dd, 1H), 2.19-2.08(m, 2H), 1.95-1.72(m, 6H)

Synthesis Example 5: Synthesis of Compound 5

Intermediate 1-, except that Intermediate 1-1 (3.8g) was used instead of Intermediate (b), and 3-bromo-9-(4-fluorophenyl)-9H-carbazole (3.4g) was used instead of Intermediate (a). Compound 5 (4.7g, 74%) was obtained in the same manner as in 1. C45H31FN2O: calc'd: M+ 634.24 foun'd: 634.34

Synthesis Example 6: Synthesis of Compound 6

Intermediate 1-1, except that Intermediate 2-1 (5g) is used instead of Intermediate (b), and 3-bromo-9-(4-fluorophenyl)-9H-carbazole (3.4g) is used instead of Intermediate (a) Compound 6 (5.2g, 68%) was obtained by the same method as described above. C55H35FN2O: calc'd: M+ 758.27 foun'd: 758.37

Synthesis Example 7: Synthesis of Compound 8

Compound 8 (5g, 76%) was obtained in the same manner as in Compound 4 except for using Intermediate 4-1 (4g) and 9-(4-fluorophenyl)-3-iodo-9H-carbazole (3.9g).

C47H33FN2O: calc'd: M+ 660.26 foun'd: 660.27

¹ H NMR (500 MHz, CDCl ₃ ) δ= 8.22 (m, 1H), 7.79 (dd, 2H), 7.72 (dd, 1H), 7.67 (d, 1H), 7.48-7.23 (m, 13H), 7.18 -7.14(m, 1H), 7.09-7.04(m, 2H), 6.95(d, 1H), 6.90(dd, 1H), 6.66(dd, 1H),. 6.54(dd, 1H), 2.19-2.08(m, 2H), 1.95-1.72(m, 6H)

Synthesis Example 8: Synthesis of Compound 16

Except for using Intermediate 4-1(4g) and 9-([1,1'-biphenyl]-4-yl)-3-bromo-9H-carbazole (4g), compound 16 ( 4.7g, 66%) was obtained.

C53H38N2O: calc'd: M+ 718.30 foun'd: 718.33

¹ H NMR (500 MHz, CDCl ₃ ) δ= 8.22 (m, 1H), 7.79 (dd, 2H), 7.72 (dd, 1H), 7.67 (d, 1H), 7.63-7.59 (m, 2H), 7.57 -7.23(m, 18H), 7.18(dt, 1H), 6.95(d, 1H), 6.90(dd, 1H), 6.66(dd, 1H), 6.59(dd, 1H), 2.19-2.08(m, 2H) ), 1.95-1.72 (m, 6H)

Synthesis Example 9: Synthesis of Compound 21

Compounds in the same manner as in Intermediate 1-1 except that Intermediate 1-1 (3.8g) was used instead of Intermediate (b), and 2-bromodibenzo[b,d]furan (2.5g) was used instead of Intermediate (a). 21 (4.3g, 80%) was obtained. C45H31FN2O: calc'd: M+ 541.20 foun'd: 541.30

Synthesis Example 10: Synthesis of Compound 37

In the same manner as in Intermediate 1-1, except that Intermediate 37-1 (2.6g) was used instead of Intermediate (b), and Compound (c) (3.7g) was used instead of Intermediate (a), Compound 37 (3.8g, 76%).

C36H24N2O M+ calc'd: 500.19 foun'd: 500.29

Synthesis Example 11: Synthesis of Compound 93

Compound 93 (5.1g, 74) in the same manner as Intermediate 1-1, except that Intermediate 1-1 (3.8g) was used instead of Intermediate (b), and Intermediate 93-1 (4g) was used instead of Intermediate (a). %).

C51H36N2O M+ calc'd: 692.28 foun'd: 692.38

Synthesis Example 12: Synthesis of Compound 94

Compound 94 (6.3g, 77%) in the same manner as Intermediate 1-1, except that Intermediate 2-1 (5g) was used instead of Intermediate (b), and Intermediate 93-1 (4g) was used instead of Intermediate (a). ).

C61H40N2O M+ calc'd: 816.31 foun'd: 816.41

Synthesis Example 13: Synthesis of Compound 95

Compound 95 (6.1g, 75%) in the same manner as Intermediate 1-1, except that Intermediate 3-1 (5g) was used instead of Intermediate (b), and Intermediate 93-1 (4g) was used instead of Intermediate (a). ).

C61H38N2O M+ calc'd: 814.30 foun'd: 814.40

Synthesis Example 14: Synthesis of Compound 101

Compound 101 (7.1g, in the same manner as Intermediate 1-1, except that Intermediate 1-1 (3.8g) was used instead of Intermediate (b), and Intermediate 101-1 (4.2g) was used instead of Intermediate (a). 75%).

C51H35FN2O M+ calc'd: 710.27 foun'd: 710.37

Synthesis Example 15: Synthesis of Compound 187

In the same manner as in Intermediate 1-1 except for using Intermediate 2-1 (2.5g) and 2-bromo-9,9-diphenyl-9H-fluorene (2g) instead of Intermediate (a) and Intermediate (b), respectively. Compound 187 (3.1g, 77%) was obtained.

C62H39NO: calc'd: M+ 813.30 foun'd: 813.34

¹ H NMR (500 MHz, CDCl ₃ ) δ= 7.92-7.84 (m, 4H), 7.79 (m, 1H), 7.72 (dd, 1H), 7.61 (d, 1H), 7.58 (d, 1H), 7.48 -7.41(m, 5H), 7.36-7.28(m, 3H), 7.21-7.06(m, 14H), 6.92(dd, 1H), 6.81-6.72(m, 5H), 6.66(dd, 1H), 6.57 (d, 1H), 6.43 (d, 1H)

Synthesis Example 16: Synthesis of Compound 188

In the same manner as in Intermediate 1-1, except for using Intermediate 3-1 (2.5g) and 2-bromo-9,9'-spirobi[fluorene] (2g) instead of Intermediate (a) and Intermediate (b), respectively. Compound 188 (3.3g, 81%) was obtained.

C62H37NO: calc'd: M+ 811.29 foun'd: 811.31

¹ H NMR (500 MHz, CDCl ₃ ) δ= 7.92 (dd, 4H), 7.89 (dd, 2H), 7.79 (td, 1H), 7.72 (dd, 1H), 7.61 (d, 2H), 7.48-7.41 (m, 7H), 7.36-7.26 (m, 3H), 7.21-7.15 (m, 6H), 6.92 (dd, 2H), 6.77-6.73 (m, 6H), 6.68 (dd, 1H), 6.43 (d , 2H)

Synthesis Example 17: Synthesis of Compound 204

Compounds in the same manner as in Intermediate 1-1 except that Intermediate 2-1 (5g) was used instead of Intermediate (b) and 2-bromo-1,1'-biphenyl (2.3g) was used instead of Intermediate (a). 204 (3.8g, 58%) was obtained.

C49H33NO: M+ calc'd: 651.26 foun'd: 651.36

Synthesis Example 18: Synthesis of Compound 210

(1) Synthesis of Intermediate 210-1

Except for using [1,1'-biphenyl]-2-amine (2.5g) and 1-bromodibenzo[b,d]furan (2.5g) instead of intermediate (b) and intermediate (a) (5g), respectively Intermediate 210-1 (3g, 91%) was obtained in the same manner as Intermediate 1-1.

C24H17NO: calc'd: M+ 335.13 foun'd: 335.14

(2) Synthesis of compound 210

In the same manner as in Intermediate 1-1, except for using Intermediate 210-1(3g) and 2-bromo-9,9'-spirobi[fluorene] (3.7g) instead of Intermediate (b) and Intermediate (a), respectively. Compound 210 (5.1g, 86%) was obtained.

C49H31NO: calc'd: M+649.24 foun'd: 649.25

¹ H NMR (500 MHz, CDCl ₃ ) δ= 7.92 (dd, 2H), 7.89 (dd, 1H), 7.80 (d, 1H), 7.72 (d, 1H), 7.59-7.51 (m, 5H), 7.49 -7.41(m, 5H), 7.32-7.27(m, 3H), 7.21-7.14(m, 5H), 7.01(t, 1H), 6.77-6.73(m, 4H), 6.66(dd, 1H), 6.61 (dd, 1H),5.47(d, 1H)

Synthesis Example 19: Synthesis of Compound 213

(1) Synthesis of Intermediate 213-2

2,7-dibromo-9,9'-spirobi[fluorene] (4.7g) and phenyl boronic acid (3.4g) are diluted in tetrahydrofuran (60ml) and water (20ml). K ₂ CO ₃ (4.1g) and Pd(PPh ₃ ) ₄ (580mg) were added dropwise and stirred under reflux at 65°C. When the reaction was completed, the temperature was slowly lowered to room temperature, extracted three times with ethyl acetate, and filtered under reduced pressure. Then, the residue obtained by distillation under reduced pressure was separated and purified by column chromatography to obtain Intermediate 213-2 (4.4g, 93%).

C31H19Br: calc'd: M+ 470.07 foun'd: 470.08

(2) Synthesis of Intermediate 213-1

Except for using [1,1'-biphenyl]-4-amine (2.5g) and 1-bromodibenzo[b,d]furan (2.5g) respectively instead of intermediate (b) and intermediate (a) (5g) Intermediate 213-1 (3g, 91%) was obtained in the same manner as Intermediate 1-1.

C24H17NO: calc'd: M+ 335.13 foun'd: 335.14

(3) Synthesis of Compound 213

Compound 213 (5.1g, 79%) in the same manner as Intermediate 1-1 except for using Intermediate 213-2 (4.4g) and Intermediate 213-1 (3g) instead of Intermediate (a) and Intermediate (b), respectively. Got it.

C55H35NO: calc'd: M+ 725.27 foun'd: 725.30

¹ H NMR (500 MHz, CDCl ₃ ) δ= 7.93 (dd, 2H), 7.79-7.78 (m, 2H), 7.72-7.59 (m, 6H), 7.54-7.28 (m, 15H), 7.20 (t, 2H), 6.89 (m, 2H), 6.75 (dd, 2H), 6.68 (dd, 1H), 6.56-6.54 (m, 2H), 5.68 (d, 1H)

Synthesis Example 20: Synthesis of Compound 219

Compound 219 (3.1g, 81)% in the same manner as Intermediate 1-1, except that Intermediate 213-(2.4g) and Intermediate 1-1 (1.9g) were used instead of Intermediate (a) and Intermediate (b), respectively. Got it.

C58H39NO: calc'd: M+ 765.30 foun'd: 765.34

¹ H NMR (500 MHz, CDCl ₃ ) δ= 7.93 (dd, 2H), 7.79-7.67 (m, 6H), 7.62 (d, 1H), 7.53-7.28 (m, 11H), 7.18 (dt, 2H) , 7.11 (dd, 2H), 6.89-6.82 (m, 3H), 6.75 (dd, 2H), 6.68 (dd, 1H), 6.50 (d, 1H). 6.10(d, 1H), 1.61(s, 6H)

Synthesis Example 21: Synthesis of Compound 240

In the same manner as in Intermediate 1-1, except that 6-bromo-2,9-diphenyl-9H-carbazole (2g) and Intermediate 213-1 (1.7g) were respectively used instead of Intermediate (a) and Intermediate (b). Compound 240 (2.5g, 78%) was obtained.

C48H32N2O: calc'd: M+ 625.25 foun'd: 625.29

¹ H NMR (500 MHz, CDCl ₃ ) δ= 7.86 (dd, 1H), 7.79-7.76 (m, 2H), 7.73-7.70 (m, 3H), 7.65-7.61 (m, 2H), 7.55-7.28 ( m, 18H), 7.24-7.21(m, 2H), 6.70-6.65(m, 3H), 6.59(dd, 1H)

Synthesis Example 22: Synthesis of Compound 251

(1) Synthesis of Intermediate 251-1

Except for using 9,9-dimethyl-9H-fluoren-1-amine (2.1g) and 1-bromodibenzo[b,d]furan (2.5g) instead of intermediate (b) and intermediate (a) (5g), respectively Then, intermediate 251-1 (3.1g, 83%) was obtained in the same manner as in Intermediate 1-1.

C27H21NO: calc'd: M+ 375.16 foun'd: 375.19

(2) Synthesis of Compound 251

Compounds in the same manner as in Intermediate 1-1 except for using Intermediate 251-1 (3.1g) and 3-iodo-9-phenyl-9H-carbazole (3.1g) instead of Intermediate (b) and Intermediate (a), respectively. 251 (4g, 78%) was obtained.

C45H32N2O: calc'd: M+ 616.25 foun'd: 616.29

¹ H NMR (500 MHz, CDCl ₃ ) δ= 8.22 (d, 1H), 7.82 (d, 1 H), 7.77 (td, 1H), 7.70 (dd, 1H), 7.54-7.44 (m, 7H), 7.39-7.22(m, 10H), 7.11(dd, 1H), 6.96(dd, 1H), 6.57-6.47(m, 3H), 1.68(s, 6H)

Synthesis Example 23: Synthesis of Compound 253

(1) Synthesis of Intermediate 253-1

Except for the use of 9,9-dimethyl-9H-fluoren-4-amine (2.1g) and 1-bromodibenzo[b,d]furan (2.5g) instead of intermediate (b) and intermediate (a) (5g), respectively Then, intermediate 253-1 (3.5g, 92%) was obtained in the same manner as in Intermediate 1-1.

C27H21NO: calc'd: M+ 375.16 foun'd: 375.19

(2) Synthesis of Compound 253

Compounds in the same manner as in Intermediate 1-1 except for using Intermediate 253-1 (3.5g) and 3-iodo-9-phenyl-9H-carbazole (3.6 g) instead of Intermediate (b) and Intermediate (a), respectively. 253 (4.6g, 81%) was obtained.

C45H32N2O: calc'd: M+ 616.25 foun'd: 616.29

¹ H NMR (500 MHz, CDCl ₃ ) δ= 8.22(d, 1H), 7.82(d,1H), 7.72(d, 1H), 7.63(dd,1H), 7.51-7.21(m, 16H) , 7.14-7.07 (m, 2H), 6.86 (dd, 1H), 6.61-6.59 (m, 1H), 6.53 (dd, 1H), 6.24 (td, 1H), 1.61 (s, 6H)

Synthesis Example 24: Synthesis of Compound 256

Intermediate 1-1 and Intermediate 1-1, except that Intermediate 253-1 (3.5g) and 3-bromo-9-(4-fluorophenyl)-9H-carbazole (3.2 g) were used instead of Intermediate (b) and Intermediate (a). Compound 256 (5.0g, 84%) was obtained by the same method.

C45H31FN2O: calc'd: M+ 634.24 foun'd: 634.25

¹ H NMR (500 MHz, CDCl ₃ ) δ= 8.23(d, 1H), 7.82(d, 1H), 7.72(td,1H), 7.62(dd, 1H), 7.58-7.35(m, 3H), 7.34-7.21(m, 10H), 7.14-7.03(m, 4H), 6.86(dd, 1H), 6.61(m, 1H), 6.53(dd,1H), 6.24(dd, 1H, 1.61(s, 6H)

Synthesis Example 25: Synthesis of Compound 268

(1) Synthesis of Intermediate 268-1

Except for the use of 9,9-dimethyl-9H-fluoren-2-amine (2.1g) and 1-bromodibenzo[b,d]furan (2.5g) instead of intermediate (b) and intermediate (a) (5g), respectively And intermediate 268-1 (3.2g, 85%) was obtained in the same manner as in Intermediate 1-1.

C27H21NO: calc'd: M+ 375.16 foun'd: 375.18

(2) Synthesis of Compound 268

Compound 268 (5.7g, 88%) in the same manner as Intermediate 1-1, except that Intermediate 268-1 (3.2g) and Intermediate 213-2 (4.0g) were used instead of Intermediate (b) and Intermediate (a), respectively. ).

C58H39NO: calc'd: M+ 765.30 foun'd: 765.32

¹ H NMR (500 MHz, CDCl ₃ ) [delta] = 7.93 (dd, 2H), 7.79-7.66 (m, 6H). 7.62(d, 1H), 7.53-7.29(m, 11H), 7.20(dt,2H), 7.11-7.04(m, 4H), 6.89(d,1H), 6.87(t, 1H), 6.75( t, 1H), 6.74(d, 1H), 6.66(dd, 1H), 6.42(dd,1 H), 5.68(d,1 H), 1.52(s, 6H)

Synthesis Example 26: Synthesis of Compound 269

Compound 269 (4.8g, 74%) in the same manner as Intermediate 1-1, except that intermediates 253-1 (3.2g) and 213-2 (4.0g) were used instead of intermediates (b) and (a), respectively. Got it.

C58H39NO: calc'd: M+ 765.30 foun'd: 765.32

¹ H NMR (500 MHz, CDCl ₃ ) δ= 7.93 (d, 2H), 7.82 (d, 1H), 7.80 (d, 1H), 7.72-7.58 (m, 5H), 7.53-7.36 (m, 7H) , 7.33-7.05 (m, 9H), 6.87-6.84 (m, 2H), 6.79 (dd,1 H), 6.75 (dd,2 H), 6.61 (m, 1H), 6.23 (d, 1H), 5.49 (d, 1H), 1.61 (s, 6H)

Synthesis Example 27: Synthesis of Compound 278

The same method as Intermediate 1-1 except for using Intermediate 253-1 (3.2g) and 2-bromo-9,9'-spirobi[fluorene] (3.8g) instead of Intermediate (b) and Intermediate (a), respectively. As a result, compound 278 (4.3g, 86%) was obtained.

C52H35NO: calc'd: M+ 689.27 foun'd: 689.28

¹ H NMR (500 MHz, CDCl ₃ ) δ= 7.92 (d, 2H), 7.89 (d, 1H), 7.82 (d, 1 H), 7.72 (d, 1H), 7.62 (dd, 1H), 7.59 ( d,1H), 7.48-7.41(m, 4H), 7.32-7.06(m, 10H), 6.87(d, 1H), 6.81(dd,1H), 6.77-6.73(m, 3H), 6.61( m,1H), 6.23(d, 1H), 5.72(dd, 1H), 1.61(s, 6H)

Synthesis Example 28: Synthesis of Compound 281

(1) Synthesis of Intermediate 281-1

Except for using 9,9-diphenyl-9H-fluoren-4-amine (3.3g) and 1-bromodibenzo[b,d]furan (2.5g) instead of intermediate (b) and intermediate (a) (5g), respectively Then, intermediate 281-1 (3.8g, 77%) was obtained in the same manner as in Intermediate 1-1.

C37H25NO: calc'd: M+ 499.19 foun'd: 499.23

(2) Synthesis of Compound 281

The same method as Intermediate 1-1 except for using Intermediate 281-1 (3.8g) and 2-bromo-9,9'-spirobi[fluorene] (3.2g) instead of Intermediate (b) and Intermediate (a), respectively. As a result, compound 281 (4.9g, 79%) was obtained.

C62H39NO: calc'd: M+ 813.30 foun'd: 813.33

¹ H NMR (500 MHz, CDCl ₃ ) δ= 7.92 (d, 2H), 7.89 (d,1 H), 7.82 (d,1 H), 7.72 (d, 1 H), 7.59 (dd, 2H), 7.49-7.40 (m, 4H), 7.33-7.26 (m, 4H), 7.21-7.05 (m, 14H), 6.81-6.71 (m, 6H), 6.62 (m, 1H), 6.56 (dd, 1H), 5.72(d, 1H), 5.68(t, 1H)

¹ H NMR of the compounds synthesized in Synthesis Examples 1 to 28 are shown in Tables 1 and 2 below. Compounds other than the compounds shown in Tables 1 and 2 can also be easily recognized by those skilled in the art by referring to the above synthetic routes and raw materials.

compound 1H NMR (400Mhz) One 8.25(d, 1H), 7.85(d, 2H), 7.80-7.75(m,2H), 7.73-7.70(m, 1H), 7.56(d, 1H), 7.53-7.21(m, 14H), 7.15- 7.09(m, 2H), 7.00(dd, 3H), 6.85(dd, 1H), 6.65(dd, 1H), 6.55(dd, 1H), 1.61(s, 6H) 2 8.22-8.20(m, 1H), 7.86(td, 1H), 7.79-7.77(m, 1H), 7.72(m,1H), 7.58(d, 1H), 7.51-7.23(m, 15H), 7.21- 7.05(m, 11H), 6.81(td, 1H), 6.73(dd, 1H), 6.65(dd, 1H), 6.53-6.48(m, 2H) 3 8.22-8.20 (m, 1H), 7.90 (dd, 2H), 7.87 (dd, 1H), 7.79 (m, 1H), 7.72 (m, 1H), 7.61 (d, 1H), 7.54-7.12 (m, 20H), 6.92(dd, 1H), 6.77-6.73(m, 3H), 6.66(dd, 1H), 6.51(dd, 1H), 5.97(q, 1H) 5 8.22-8.20(m, 1H), 7.85(m, 1H), 7.79-7.76(m, 2H), 7.71(m, 1H), 7.57(m, 1H), 7.46(dd, 1H), 7.40-7.21( m, 10H), 7.14-7.03(m, 4H), 7.01(dd,1H), 6.85(dd, 1H), 6.66(dd, 1H), 6.54(dd, 1H), 1.61(s, 6H) 6 8.22-8.20 (m, 1H), 7.86 (td, 1H), 7.79-7.77 (m, 1H), 7.72-7.70 (m, 1H), 7.58 (d, 1H). 7.48-7.23(m, 12H), 7.20-7.03(m, 13H), 6.81(dd, 1H), 6.73(dd, 1H), 6.66(dd, 1H), 6.53(q, 1H), 6.51(dd, 1H) 21 7.84-7.82 (m, 1H), 7.79-7.75 (m, 2H), 7.73-7.70 (m, 2H), 7.68-7.65 (m, 1H), 7.57-7.40 (m, 5H), 7.34-7.25 (m , 4H), 7.14-7.09 (m, 2H), 7.03 (dd, 1H), 6.85 (m, 1H), 6.66 (dd, 1H), 6.54 (dd, 1H), 1.61 (s, 6H) 37 8.22-8.20 (m, 1H), 7.79 (m, 1H), 7.72 (m, 1H), 7.54-7.21 (m, 14H), 7.08-7.02 (m, 2H), 6.67-6.53 (m, 3H), 6.34-6.31 (m, 2H) 93 8.24-8.22(m, 1H), 8.15(m, 1H), 7.79-7.70(m, 4H), 7.67(d, 1H), 7.58-7.42(m, 8H), 7.39-7.25(m, 7H), 7.21-7.19 (m, 1H), 7.14-7.09 (m, 2H), 6.84 (dd, 1H), 6.68 (dd, 1H), 6.63-6.59 (m, 2H), 6.49 (m, 1H), 1.61 ( s, 6H) 94 8.24-8.22(m, 1H), 8.15(m, 1H), 7.86(td, 1H), 7.79-7.70(m, 3H), 7.67(d, 1H), 7.60-7.53(m, 3H),7.50- 7.25(m, 12H), 7.21-7.03(m, 12H), 6.81(td, 1H), 6.75(dd, 1H), 6.68(dd, 1H), 6.63-6.57(m, 3H), 6.44(d, 1H) 95 8.24-8.22(m, 1H), 8.15(m, 1H), 8.02-7.87(m, 3H), 7.79-7.70(m, 3H), 7.67(d, 1H), 7.60-7.53(m, 3H), 7.50-7.25 (m, 14H), 7.23-7.15 (m, 4H), 6.92 (dd, 1H), 6.77-6.71 (m, 3H), 6.68 (dd, 1H), 6.63-6.57 (m, 3H), 5.95(d, 1H) 101 8.24-8.22 (m, 1H), 8.15 (m, 1H), 7.79-7.70 (m, 4H), 7.67 (d, 1H), 7.58-7.52 (m, 3H), 7.48-7.44 (m, 1H), 7.39-7.25 (m, 8H), 7.21-7.19 (m, 1H), 7.14-7.03 (m, 4H), 6.84 (dd, 1H), 6.68 (dd, 1H), 6.63-6.59 (m, 2H), 6.49(m, 1H), 1.61(s, 6H) 204 7.92-7.87(m, 3H), 7.79(m, 1H), 7.72(m,1H), 7.63-7.58(m, 3H), 7.52-7.24(m,12H), 7.21-7.15(m, 3H), 6.92(dd, 1H), 6.77-6.71(m, 3H), 6.68-6.66(dd, 1H), 6.58-6.54(m, 2H), 5.95(dd, 1H)

compound 1H NMR (500Mhz) 4 8.22(m, 1H), 7.79(dd, 2H), 7.72(dd, 1H), 7.67(d, 1H), 7.54-7.14(m, 17H), 6.95(d, 1H), 6.90(dd, 1H) , 6.66(dd, 1H),. 6.54(dd, 1H), 2.19-2.08(m, 2H), 1.95-1.72(m, 6H) 8 8.22(m, 1H), 7.79(dd, 2H), 7.72(dd, 1H), 7.67(d, 1H), 7.48-7.23(m, 13H), 7.18-7.14(m, 1H), 7.09-7.04( m, 2H), 6.95 (d, 1H), 6.90 (dd, 1H), 6.66 (dd, 1H),. 6.54(dd, 1H), 2.19-2.08(m, 2H), 1.95-1.72(m, 6H) 16 8.22(m, 1H), 7.79(dd, 2H), 7.72(dd, 1H), 7.67(d, 1H), 7.63-7.59(m, 2H), 7.57-7.23(m, 18H), 7.18(dt, 1H), 6.95 (d, 1H), 6.90 (dd, 1H), 6.66 (dd, 1H), 6.59 (dd, 1H), 2.19-2.08 (m, 2H), 1.95-1.72 (m, 6H) 187 7.92-7.84 (m, 4H), 7.79 (m, 1H), 7.72 (dd, 1H), 7.61 (d, 1H), 7.58 (d, 1H), 7.48-7.41 (m, 5H), 7.36-7.28 ( m, 3H), 7.21-7.06 (m, 14H), 6.92 (dd, 1H), 6.81-6.72 (m, 5H), 6.66 (dd, 1H), 6.57 (d, 1H), 6.43 (d, 1H) 188 7.92 (dd, 4H), 7.89 (dd, 2H), 7.79 (td, 1H), 7.72 (dd, 1H), 7.61 (d, 2H), 7.48-7.41 (m, 7H), 7.36-7.26 (m, 3H), 7.21-7.15(m, 6H), 6.92(dd, 2H), 6.77-6.73(m, 6H), 6.68(dd, 1H), 6.43(d, 2H) 210 7.92(dd, 2H), 7.89(dd, 1H), 7.80(d, 1H), 7.72(d, 1H), 7.59-7.51(m, 5H), 7.49-7.41(m, 5H), 7.32-7.27( m, 3H), 7.21-7.14(m, 5H), 7.01(t, 1H), 6.77-6.73(m, 4H), 6.66(dd, 1H), 6.61(dd, 1H),5.47(d, 1H) 213 7.93(dd, 2H), 7.79-7.78(m, 2H), 7.72-7.59(m, 6H), 7.54-7.28(m, 15H), 7.20(t, 2H), 6.89(m, 2H), 6.75( dd, 2H), 6.68(dd, 1H), 6.56-6.54(m, 2H), 5.68(d, 1H) 219 7.93 (dd, 2H), 7.79-7.67 (m, 6H), 7.62 (d, 1H), 7.53-7.28 (m, 11H), 7.18 (dt, 2H), 7.11 (dd, 2H), 6.89-6.82 ( m, 3H), 6.75 (dd, 2H), 6.68 (dd, 1H), 6.50 (d, 1H). 6.10(d, 1H), 1.61(s, 6H) 240 7.86(dd, 1H), 7.79-7.76(m, 2H), 7.73-7.70(m, 3H), 7.65-7.61(m, 2H), 7.55-7.28(m, 18H), 7.24-7.21(m, 2H) ), 6.70-6.65(m, 3H), 6.59(dd, 1H) 251 8.22(d, 1H), 7.82(d,1H), 7.77(td, 1H), 7.70(dd, 1H), 7.54-7.44(m, 7H), 7.39-7.22(m, 10H), 7.11(dd , 1H), 6.96(dd, 1H), 6.57-6.47(m, 3H), 1.68(s, 6H) 253 8.22(d, 1H), 7.82(d,1H), 7.72(d, 1H), 7.63(dd,1H), 7.51-7.21(m, 16H), 7.14-7.07(m, 2H), 6.86( dd, 1H), 6.61-6.59(m, 1H), 6.53(dd, 1H), 6.24(td, 1H), 1.61(s, 6H) 256 8.23(d, 1H), 7.82(d, 1H), 7.72(td,1H), 7.62(dd, 1H), 7.58-7.35(m, 3H), 7.34-7.21(m, 10H), 7.14-7.03 (m, 4H), 6.86(dd, 1H), 6.61(m, 1H), 6.53(dd,1H), 6.24(dd, 1H, 1.61(s, 6H) 268 7.93 (dd, 2H), 7.79-7.66 (m, 6H). 7.62(d, 1H), 7.53-7.29(m, 11H), 7.20(dt,2H), 7.11-7.04(m, 4H), 6.89(d,1H), 6.87(t, 1H), 6.75( t, 1H), 6.74(d, 1H), 6.66(dd, 1H), 6.42(dd,1 H), 5.68(d,1 H), 1.52(s, 6H) 269 7.93(d, 2H), 7.82(d, 1H), 7.80(d, 1H), 7.72-7.58(m, 5H), 7.53-7.36(m, 7H), 7.33-7.05(m, 9H), 6.87- 6.84(m, 2H), 6.79(dd,1H), 6.75(dd,2H), 6.61(m, 1H), 6.23(d, 1H), 5.49(d, 1H), 1.61(s, 6H) 278 7.92(d, 2H), 7.89(d, 1H), 7.82(d,1H), 7.72(d, 1H), 7.62(dd, 1H), 7.59(d,1H), 7.48-7.41(m, 4H), 7.32-7.06(m, 10H), 6.87(d, 1H), 6.81(dd,1H), 6.77-6.73(m, 3H), 6.61(m,1H), 6.23(d, 1H) , 5.72(dd, 1H), 1.61(s, 6H) 281 7.92(d, 2H), 7.89(d,1H), 7.82(d,1H), 7.72(d,1H), 7.59(dd, 2H), 7.49-7.40(m, 4H), 7.33-7.26 (m, 4H), 7.21-7.05 (m, 14H), 6.81-6.71 (m, 6H), 6.62 (m, 1H), 6.56 (dd, 1H), 5.72 (d, 1H), 5.68 (t, 1H) )

[Example]

Comparative Example 1

For the anode, a Corning 15Ω/cm ² (1200Å) ITO glass substrate was cut into a size of 50mm x 50mm x 0.7mm, ultrasonically cleaned for 5 minutes each using isopropyl alcohol and pure water, and then irradiated with ultraviolet rays for 30 minutes. It was cleaned by exposure to ozone, and this glass substrate was installed in a vacuum deposition apparatus.

On the top of the substrate, first, 2-TNATA, a known material as a hole injection layer, was vacuum-deposited to a thickness of 600 Å, and then 4,4'-bis[N-(1-naphthyl), a hole transporting material, as a hole transporting compound. )-N-phenylamino]biphenyl (hereinafter, NPB) was vacuum deposited to a thickness of 300Å to form a hole transport layer.

9,10-di(naphthalen-2-yl)anthracene (hereinafter, DNA) as a known blue fluorescent host on the hole transport layer and 4,4'-bis[2-(4-), a known compound as a blue fluorescent dopant. (N,N-diphenylamino)phenyl)vinyl]biphenyl (hereinafter, DPAVBi) was simultaneously deposited at a weight ratio of 98:2 to form a light emitting layer with a thickness of 300Å.

Subsequently, Alq ₃ was deposited as an electron transport layer to a thickness of 300 Å on the emission layer, LiF, an alkali metal halide, was deposited as an electron injection layer to a thickness of 10 Å as an electron transport layer, and Al was deposited to a thickness of 3000 Å (cathode electrode). An organic light-emitting device was manufactured by vacuum evaporation to form a LiF/Al electrode.

Examples 1 to 28

An organic light-emitting device was manufactured in the same manner as in Comparative Example 1, except that the compound shown in Table 3 was used instead of the NPB when forming the hole transport layer.

Comparative Example 2

An organic light-emitting device was manufactured in the same manner as in Comparative Example 1, except that the following Compound A was used instead of the NPB when forming the hole transport layer.

<Compound A>

Comparative Example 3

An organic light-emitting device was manufactured in the same manner as in Comparative Example 1, except that the following Compound B was used instead of the NPB when forming the hole transport layer.

<Compound B>

Comparative Example 4

An organic light emitting device was manufactured in the same manner as in Comparative Example 1, except that Compound C was used instead of the NPB when forming the hole transport layer.

<Compound C>

Comparative Example 5

An organic light emitting device was manufactured in the same manner as in Comparative Example 1, except that Compound D below was used instead of NPB when forming the hole transport layer.

<Compound D>

Comparative Example 6

An organic light-emitting device was manufactured in the same manner as in Comparative Example 1, except that Compound E was used instead of the NPB when forming the hole transport layer.

<Compound E>

Comparative Example 7

An organic light-emitting device was manufactured in the same manner as in Comparative Example 1, except that the following Compound F was used instead of the NPB when forming the hole transport layer.

<Compound F>

Comparative Example 8

An organic light-emitting device was manufactured in the same manner as in Comparative Example 1, except that the following Compound G was used instead of the NPB when forming the hole transport layer.

<Compound G>

Comparative Example 9

An organic light-emitting device was manufactured in the same manner as in Comparative Example 1, except that the following Compound H was used instead of the NPB when forming the hole transport layer.

<Compound H>

Device performance (driving voltage, luminance, efficiency and color coordinates) and current density of 100 mA/cm when driven at a current density of 50 mA/cm ² for the organic light emitting devices fabricated in Examples 1 to 28 and Comparative Examples 1 to 9 The time (half life) until the initial luminance in ² decreases by 50% was measured and shown in Table 3 below.

-Luminance: Power was supplied from a current-voltmeter (Kethley SMU 236) and measured using a luminance meter PR650.

-Efficiency: Power was supplied from a current-voltmeter (Kethley SMU 236) and measured using a luminance meter PR650.

Hole transport material Driving voltage
(V) Current density
(mA/cm ² ) Luminance
(cd/m ² ) efficiency
(cd/A) Luminous color Half Life (hr @100 mA/cm ² ) Example 1 Compound 1 4.32 50 3670 7.34 blue 362 Example 2 Compound 2 4.21 50 3715 7.43 blue 353 Example 3 Compound 3 4.22 50 3665 7.33 blue 372 Example 4 Compound 4 4.85 50 3876 7.75 blue 374 Example 5 Compound 5 4.26 50 3730 7.46 blue 374 Example 6 Compound 6 4.26 50 3730 7.46 blue 374 Example 7 Compound 8 4.67 50 3985 7.97 blue 356 Example 8 Compound 16 4.72 50 3451 6.90 blue 382 Example 9 Compound 21 4.25 50 3630 7.26 blue 384 Example 10 Compound 37 4.41 50 3725 7.45 blue 343 Example 11 Compound 93 4.26 50 3630 7.26 blue 366 Example 12 Compound 94 4.32 50 3670 7.34 blue 378 Example 13 Compound 95 4.45 50 3440 6.88 blue 325 Example 14 Compound 101 4.60 50 3490 6.98 blue 330 Example 15 Compound 187 4.55 50 3655 7.31 blue 375 Example 16 Compound 188 4.69 50 3492 6.98 blue 356 Example 17 Compound 204 4.82 50 3540 7.08 blue 381 Example 18 Compound 210 4.96 50 3987 7.97 blue 351 Example 19 Compound 213 4.74 50 3859 7.72 blue 348 Example 20 Compound 219 4.73 50 3565 7.13 blue 316 Example 21 Compound 240 4.89 50 3529 7.06 blue 355 Example 22 Compound 251 4.82 50 3983 7.97 blue 327 Example 23 Compound 253 4.76 50 3852 7.70 blue 331 Example 24 Compound 256 4.96 50 3874 7.75 blue 326 Example 25 Compound 268 4.81 50 3721 7.44 blue 312 Example 27 Compound 269 4.53 50 3652 7.30 blue 332 Example 27 Compound 278 4.56 50 3552 7.10 blue 351 Example 28 Compound 281 4.66 50 3512 7.02 blue 366 Comparative Example 1 NPB 7.01 50 2645 5.29 blue 258 Comparative Example 2 Compound A 6.50 50 2805 5.61 blue 220 Comparative Example 3 Compound B 5.81 50 3105 6.21 blue 180 Comparative Example 4 Compound C 6.02 50 3205 6.41 blue 210 Comparative Example 5 Compound D 8.21 50 1851 3.70 blue 127 Comparative Example 6 Compound E 6.01 50 2353 5.98 blue 231 Comparative Example 7 Compound F 7.32 50 2553 5.90 blue 221 Comparative Example 8 Compound G 5.88 50 2678 5.34 blue 231 Comparative Example 9 Compound H 5.68 50 2635 5.27 blue 235

As shown in Table 3, when the compound according to an embodiment of the present invention is used in an organic electroluminescent device as a hole transport material, all of the examples using the compound of the present invention are of Comparative Example 1 using NPB, a known material. Compared to the organic light-emitting device, it can be seen that the driving voltage is improved and the efficiency is improved, and the IVL characteristics are excellent. In particular, the lifespan improvement effect is excellent and the lifespan is significantly improved. In addition, compared with Comparative Examples 2 to 9 using compounds A to H, it can be seen that the driving voltage is improved and the luminance, luminous efficiency, and half life are excellent. For the present invention, referring to the Synthesis Examples and Examples above, Although described, this is only exemplary, and those of ordinary skill in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical scope of the present invention should be determined by the technical spirit of the appended claims.

10, 20, 30, 40: organic light emitting device
110: first electrode
150: organic layer
190: second electrode
210: first capping layer
220: second capping layer

Claims (13)

An amine compound represented by the following formula 1A or 1B:
<Formula 1A>

<Formula 1B>

In Formulas 1A and 1B,
A ₁ to A ₅ are each independently selected from a C ₅ -C ₃₀ carbocyclic group and a C ₁ -C ₃₀ heterocyclic group;
X ₁ is O, S, N-(L ₁ ) _a1 -(R ₁ ) _b1 or C(R ₉ )(R ₁₀ ),
X ₂ is O, S or C(R ₁₁ )(R ₁₂ ),
L ₁ to L ₃ are each independently selected from a single bond, a substituted or unsubstituted C ₅ -C ₆₀ carbocyclic group and a substituted or unsubstituted C ₁ -C ₆₀ heterocyclic group,
a1 to a3 are each independently selected from an integer of 1 to 5,
R ₁ to R ₁₂ are independently of each other, hydrogen, deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, substituted or Unsubstituted C ₁ -C ₆₀ alkyl group, substituted or unsubstituted C ₂ -C ₆₀ alkenyl group, substituted or unsubstituted C ₂ -C ₆₀ alkynyl group, substituted or unsubstituted C ₁ -C ₆₀ alkoxy group, substituted Or an unsubstituted C ₃ -C ₁₀ cycloalkyl group, a substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkyl group, a substituted or unsubstituted C ₃ -C ₁₀ cycloalkenyl group, a substituted or unsubstituted C ₁ -C ₁₀ heterocycloalkyl alkenyl 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 A C ₁ -C ₆₀ heteroaryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group, -Si(Q ₁ )(Q ₂ )( It is selected from Q ₃ ), -B(Q ₁ )(Q ₂ ) and -C(=O)(Q ₁ ),
R ₉ and R ₁₀ and/or R ₁₁ and R ₁₂ are optionally connected to each other to form a substituted or unsubstituted C ₅ -C ₃₀ carbocyclic group and a substituted or unsubstituted C ₁ -C ₃₀ heterocyclic group. Can form a group,
b1 to b3 and b5 to b8 are each independently selected from an integer of 1 to 10,
b4 is selected from an integer of 1 to 3,
However, in Formula 1A, the group represented by *-(L ₂ ) _a2 -(R ₂ ) _b2 is a group represented by the following Formula 6-15, R ₅ and R ₆ are both hydrogen, and X ₁ is C ( In the case of R ₉ ) (R ₁₀ ), except for the case where R ₉ and R ₁₀ are bonded to each other and represented by Formula 7-3

In Formula 7-3, Z ₅₁ and Z ₅₂ are each hydrogen, n3 and n4 are each 4, * is a carbon atom to which R ₉ and R ₁₀ are bonded,
The substituted C ₅ -C ₆₀ carbocyclic group, substituted C ₁ -C ₆₀ heterocyclic group, substituted C ₁ -C ₆₀ alkyl group, substituted C ₂ -C ₆₀ alkenyl group, substituted C ₂ -C ₆₀ alkynyl group, substituted C ₁ -C ₆₀ alkoxy group, substituted C ₃ -C ₁₀ cycloalkyl group, substituted C ₁ -C ₁₀ heterocycloalkyl group, substituted C ₃ -C ₁₀ cycloalkenyl group, substituted C ₁ -C ₁₀ hetero cycloalkenyl group, a substituted C ₆ -C ₆₀ aryl, substituted C ₆ -C ₆₀ aryloxy group, a substituted C ₆ -C ₆₀ arylthio group, a substituted C ₁ -C ₆₀ heteroaryl group, , At least one of the substituents of a substituted C ₁ -C ₆₀ heteroaryloxy group, a substituted monovalent non-aromatic condensed polycyclic group, and a substituted monovalent non-aromatic condensed heteropolycyclic group,
Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, C ₂ -C ₆₀ alkenyl group , C ₂ -C ₆₀ alkynyl group and C ₁ -C ₆₀ alkoxy group;
Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ hetero cycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heteroaryl cycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy, C ₆ -C ₆₀ aryl come T, C ₁ -C ₆₀ heteroaryl group, monovalent non-aromatic condensed polycyclic group, monovalent non-aromatic condensed heteropolycyclic group, -Si(Q ₁₁ )(Q ₁₂ )(Q ₁₃ ), -B(Q ₁₁ )(Q ₁₂ ), -C(=O)(Q ₁₁ ), -S(=O) ₂ (Q ₁₁ ) and -P(=O)(Q ₁₁ )(Q ₁₂ ) substituted with at least one selected from, C ₁ -C ₆₀ alkyl group, C ₂ -C ₆₀ alkenyl group, C ₂ -C ₆₀ alkynyl group and C ₁ -C ₆₀ alkoxy group;
C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryl Oxy group, C ₆ -C ₆₀ arylthio group, C ₁ -C ₆₀ heteroaryl group, monovalent non-aromatic condensed polycyclic group, monovalent non-aromatic condensed heteropolycyclic group, biphenyl group and terphenyl group;
Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, C ₂ -C ₆₀ alkenyl group , C ₂ -C ₆₀ alkynyl group, C ₁ -C ₆₀ alkoxy group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocyclo alkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy, C ₆ -C ₆₀ arylthio, C ₁ -C ₆₀ heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non- -Aromatic hetero-condensed polycyclic group, biphenyl group, terphenyl group, -Si(Q ₂₁ )(Q ₂₂ )(Q ₂₃ ), -B(Q ₂₁ )(Q ₂₂ ), -C(=O)(Q ₂₁ ), -S (=O) ₂ (Q ₂₁ ) and -P (=O) (Q ₂₁ ) (Q ₂₂ ) substituted with at least one selected from, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heteroaryl cycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₆ -C ₆₀ aryloxy, C ₆ -C ₆₀ arylthio, C ₁ -C ₆₀ A heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, a biphenyl group and a terphenyl group; And
-Si(Q ₃₁ )(Q ₃₂ )(Q ₃₃ ), -B(Q ₃₁ )(Q ₃₂ ), -C(=O)(Q ₃₁ ), -S(=O) ₂ (Q ₃₁ ) and- P(=O)(Q ₃₁ )(Q ₃₂ );
Is selected from,
The Q ₁ to Q ₃ , Q ₁₁ to Q ₁₃ , Q ₂₁ to Q ₂₃ and Q ₃₁ to Q ₃₃ are independently of each other, hydrogen, deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyanide No group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₆₀ alkyl group, C ₂ -C ₆₀ alkenyl group, C ₂ -C ₆₀ alkynyl group, C ₁ -C ₆₀ alkoxy group, C ₃ -C ₁₀ cycloalkyl group, C ₁ -C ₁₀ heterocycloalkyl group, C ₃ -C ₁₀ cycloalkenyl group, C ₁ -C ₁₀ heterocycloalkenyl group, C ₆ -C ₆₀ aryl group, C ₁ -C ₆₀ alkyl group It is selected from a C ₆ -C ₆₀ aryl group, a C ₁ -C ₆₀ heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed hetero polycyclic group, a biphenyl group, and a terphenyl group. The method of claim 1,
A ₁ to A ₅ are each independently a benzene group, an indene group, a naphthalene group, an anthracene group, a fluorene group, a phenanthrene group, a triphenylene group, a pyrene group, a chrysene group, a naphthacene group, a pyrrole group, Imidazole group, pyrazole group, pyridine group, pyrimidine group, pyrazine group, pyridazine group, indole group, isoindole group, indazole group, quinoline group, isoquinoline group, benzoquinoline group, naphthyridine group, quinoxaline Group, quinazoline group, sinoline group, carbazole group, phenanthridine group, acridine group, phenanthroline group, phenazine group, benzimidazole group, furan group, benzofuran group, thiophene group, benzo Thiophene group, thiazole group, isothiazole group, benzothiazole group, isoxazole group, oxazole group, triazole group, oxadiazole group, triazine group, benzoxazole group, dibenzofuran group, An amine compound selected from a dibenzothiophene group, a benzocarbazole group, and a dibenzocarbazole group. The method of claim 1,
A ₁ to A ₅ are each independently an amine compound selected from a benzene group and a naphthalene group. The method of claim 1,
X ₁ is N-(L ₁ ) _a1 -(R ₁ ) _b1 and X ₂ is O, S or C(R ₁₁ )(R ₁₂ );
X ₁ is O and X ₂ is C(R ₁₁ )(R ₁₂ ); or
X ₁ is C(R ₉ )(R ₁₀ ), and X ₂ is C(R ₁₁ )(R ₁₂ ), an amine-based compound. The method of claim 1,
L ₁ to L ₃ are each independently a single bond, a benzene group, a pentalene group, an indene group, a naphthalene group, an azulene group, a heptalene group, an indacene group, an acenaphthalene group, a fluorene group, a spiro-by Fluorene group, benzofluorene group, phenalene group, phenanthrene group, anthracene group, fluoranthene group, triphenylene group, pyrene group, chrysene group, naphthacene group, picene group, perylene group, penta Phenylene group, hexacene group, pyrrole group, imidazole group, pyrazole group, pyridine group, pyrazine group, pyrimidine group, pyridazine group, isoindole group, indole group, indazole group, purine group, quinoline group, Isoquinoline group, benzoquinoline group, phthalazine group, naphthyridine group, quinoxaline group, quinazoline group, sinoline group, carbazole group, phenanthridine group, acridine group, phenanthroline group, phenazine Group, benzimidazole group, furan group, benzofuran group, thiophene group, benzothiophene group, thiazole group, isothiazole group, benzothiazole group, isoxazole group, oxazole group, triazole group, Tetrazole group, oxadiazole group, triazine group, benzoxazole group, dibenzofuran group, dibenzothiophene group, benzocarbazole group and dibenzocarbazole group; And
Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group , C ₆ -C ₂₀ aryl group and C ₁ -C ₂₀ heteroaryl group, substituted with at least one selected from, a benzene group, a pentalene group, an indene group, a naphthalene group, an azulene group, a heptalene group, an indacene group, ace Naphthalene group, fluorene group, spiro-bifluorene group, benzofluorene group, phenalene group, phenanthrene group, anthracene group, fluoranthrene group, triphenylene group, pyrene group, chrysene group, naphtha Sen group, picene group, perylene group, pentaphenylene group, hexacene group, pyrrole group, imidazole group, pyrazole group, pyridine group, pyrazine group, pyrimidine group, pyridazine group, isoindole group, indole group , Indazole group, purine group, quinoline group, isoquinoline group, benzoquinoline group, phthalazine group, naphthyridine group, quinoxaline group, quinazoline group, sinoline group, carbazole group, phenanthridine group, a Cridine group, phenanthroline group, phenazine group, benzimidazole group, furan group, benzofuran group, thiophene group, benzothiophene group, thiazole group, isothiazole group, benzothiazole group, isoxa Sol group, oxazole group, triazole group, tetrazole group, oxadiazole group, triazine group, benzoxazole group, dibenzofuran group, dibenzothiophene group, benzocarbazole group and dibenzocarbazole group ;
Selected from among, amine-based compounds. The method of claim 1,
L ₁ to L ₃ are independently of each other,
Single bond and benzene group; And
Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group , A benzene group substituted with at least one selected from a C ₆ -C ₂₀ aryl group and a C ₁ -C ₂₀ heteroaryl group;
Selected from among, amine-based compounds. The method of claim 1,
R ₁ and R ₂ are each independently a C ₆ -C ₆₀ aryl group, a C ₁ -C ₆₀ heteroaryl group, a monovalent non-aromatic condensed polycyclic group, and a monovalent non-aromatic condensed heteropolycyclic group; And
Deuterium, -F, -Cl, -Br, -I, C ₁ -C ₆₀ alkyl group, C ₁ -C ₆₀ alkoxy group, C ₆ -C ₆₀ aryl group, C ₁ -C ₆₀ heteroaryl group, monovalent bi- An aromatic condensed polycyclic group, a monovalent non-aromatic heterocondensed polycyclic group, and a C ₆ -C ₆₀ aryl group, C ₁ -C ₆₀ heteroaryl group substituted with at least one of -Si(Q ₃₁ )(Q ₃₂ )(Q ₃₃ ) , A monovalent non-aromatic condensed polycyclic group and a monovalent non-aromatic condensed heteropolycyclic group;
Selected from among, amine-based compounds. The method of claim 1,
R ₁ and R ₂ are each independently an amine compound selected from the group represented by Formulas 5-1 to 5-79:

In Formulas 5-1 to 5-79,
Y ₃₁ is O, S, C(Z ₃₃ )(Z ₃₄ ), N(Z ₃₅ ) or Si(Z ₃₆ )(Z ₃₇ ),
Z ₃₁ to Z ₃₇ are independently of each other, hydrogen, deuterium, -F, -Cl, -Br, -I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group, cyclopentyl group, cyclohexyl group, cycloheptyl group, cyclopentenyl group, cyclohexenyl group, phenyl group, biphenyl group, naphthyl group, fluorenyl group, spiro-bi Fluorenyl group, spiro-fluorene-benzofluorenyl group, benzofluorenyl group, dibenzofluorenyl group, phenalenyl group, phenanthrenyl group, anthracenyl group, fluoranthenyl group, triphenylenyl group, pyridine Nyl group, pyrazinyl group, pyrimidinyl group, quinolinyl group, isoquinolinyl group, benzoquinolinyl group, naphthyridinyl group, quinoxalinyl group, quinazolinyl group, carbazolyl group, phenanthridinyl group, acridinyl group, phenane It is selected from trolinyl group, phenazinyl group, triazinyl group, dibenzofuranyl group, dibenzothiophenyl group, and -Si(Q ₃₁ )(Q ₃₂ )(Q ₃₃ ),
Z ₃₃ and Z ₃₄ may be optionally linked to each other to form a substituted or unsubstituted C ₅ -C ₃₀ carbocyclic group and a substituted or unsubstituted C ₁ -C ₃₀ heterocyclic group,
e2 is selected from an integer of 0 to 2, and when e2 is 2 or more, 2 or more Z ₃₁ and Z ₃₂ are the same or different from each other,
e3 is selected from an integer of 0 to 3, and when e3 is 2 or more, 2 or more Z ₃₁ and Z ₃₂ are the same or different from each other,
e4 is selected from an integer of 0 to 4, and when e4 is 2 or more, 2 or more Z ₃₁ and Z ₃₂ are the same or different from each other,
e5 is selected from an integer of 0 to 5, and when e5 is 2 or more, 2 or more Z ₃₁ and Z ₃₂ are the same or different from each other,
e6 is selected from an integer of 0 to 6, and when e6 is 2 or more, 2 or more Z ₃₁ and Z ₃₂ are the same as or different from each other,
e7 is selected from an integer of 0 to 7, and when e7 is 2 or more, 2 or more Z ₃₁ are the same as or different from each other,
e9 is selected from an integer of 0 to 9, and when e9 is 2 or more, 2 or more Z ₃₁ are the same or different from each other,
* Is the bonding site with neighboring atoms. The method of claim 1,
R ₁ and R ₂ are each independently an amine compound selected from Formulas 6-1 to 6-10 and 6-12 to 6-42:

In Formulas 6-1 to 6-10 and 6-12 to 6-42,
"Ph" represents a phenyl group,
* Is the bonding site with neighboring atoms. The method of claim 1,
R ₃ to R ₁₂ are independently of each other, hydrogen, deuterium, -F, -Cl, -Br, -I, methyl group, ethyl group, propyl group, isopropyl group, n-butyl group, isobutyl group, sec-butyl group , ter-butyl group, pentyl group, iso-amyl group, hexyl group, phenyl group, and an amine compound selected from a biphenyl group. The method of claim 1,
An amine compound represented by any one selected from the following Formulas 1A-1 to 1A-4 and 1B-1 to 1B-16:
<Formula 1A-1>

<Formula 1A-2>

<Formula 1A-3>

<Formula 1A-4>

<Formula 1B-1>

<Formula 1B-2>

<Formula 1B-3>

<Formula 1B-4>

<Formula 1B-5>

<Formula 1B-6>

<Formula 1B-7>

<Formula 1B-8>

<Formula 1B-9>

<Formula 1B-10>

<Formula 1B-11>

<Formula 1B-12>

<Formula 1B-13>

<Formula 1B-14>

<Formula 1B-15>

<Formula 1B-16>

In Formulas 1A-1 to 1A-4 and 1B-1 to 1B-16,
The definitions for X ₁ , X ₂ , L ₁ to L ₃ , a1 to a3 and R ₁ to R ₁₂ and b1 and b2 are the same as those described in claim 1,
b4, b6 and b8 are each independently selected from an integer of 1 to 3,
b3, b5, and b7 are each independently selected from an integer of 1 to 4. The method of claim 11,
The L ₁ to L ₃ are independently of each other,
Single bond and benzene group; And
Deuterium, -F, -Cl, -Br, -I, hydroxyl group, cyano group, nitro group, amidino group, hydrazino group, hydrazono group, C ₁ -C ₂₀ alkyl group, C ₁ -C ₂₀ alkoxy group , A benzene group substituted with at least one selected from a C ₆ -C ₂₀ aryl group and a C ₁ -C ₂₀ heteroaryl group;
Selected from among, amine-based compounds. The method of claim 1,
An amine compound selected from the following compounds 1 to 208, 208A, 226A and 209 to 284:

Images