KR20220019189A - Polycyclic aromatic compound and organoelectroluminescent device using the same - Google Patents

Abstract

The present invention relates to a polycyclic aromatic derivative compound that can be employed in various organic layers provided in an organic light emitting device, and an organic light emitting device having high efficiency with remarkably improved luminous efficiency and long lifespan including the same.

Description

Polycyclic aromatic compound and organoelectroluminescent device using the same

The present invention relates to a polycyclic aromatic derivative compound and a high-efficiency, long-life organic light-emitting device with remarkably improved luminous efficiency using the same.

In an organic light emitting device, an electron injected from an electron injection electrode (cathode electrode) and a hole injected from a hole injection electrode (anode electrode) are combined in an emission layer to form an exciton, and the exciton generates energy It is a self-luminous device that emits light while emitting light, and such an organic light-emitting device has a low driving voltage, high luminance, wide viewing angle, and fast response speed, and is in the spotlight as a next-generation light source because of its advantages that it can be applied to full-color flat panel light emitting displays. .

In order for such an organic light emitting device to exhibit the above characteristics, the structure of the organic layer in the device is optimized, and the material constituting each organic layer is a hole injection material, a hole transport material, a light emitting material, an electron transport material, an electron injection material, an electron blocking material. It should be preceded by a stable and efficient material, but it is still necessary to continuously develop a stable and efficient organic layer structure and each material for an organic light emitting device.

In addition, in recent years, not only studies to improve the characteristics of organic light emitting devices by changing the performance of each organic layer material, but also color purity improvement and luminous efficiency enhancement technology by the optical thickness optimized between the anode and the cathode have been developed. It has been focused on as one of the important factors for improving device performance, and as an example of this method, a capping layer is used on an electrode to achieve desired optical efficiency and excellent color purity.

As such, the structure of the device capable of improving the light emitting characteristics of the organic light emitting device and the development of a new material supporting the structure are continuously required.

Accordingly, an object of the present invention is to provide an organic light emitting compound capable of implementing an organic light emitting device with high efficiency and long lifespan by being employed in the organic layer of the device, and an organic light emitting device including the same.

The present invention provides an organic light emitting compound represented by the following [Formula A] in order to solve the above problems.

[Formula A]

A more specific structure of the [Formula A], definitions of Q ₁ to Q ₂ , X, Y and Z, and a specific polycyclic aromatic compound according to the present invention embodied in [Formula A] will be described later.

In addition, the present invention includes a first electrode, a second electrode opposite to the first electrode, and an organic layer interposed between the first electrode and the second electrode, wherein the organic layer is a specific polycyclic ring implemented by the [Formula A] It provides an organic light emitting device comprising at least one aromatic compound.

The polycyclic aromatic derivative compound according to the present invention can be employed in the organic layer in the device to realize a high-efficiency and long-life organic light emitting device.

1 is a representative diagram showing the structure of an aromatic derivative compound according to the present invention.

Hereinafter, the present invention will be described in more detail.

The present invention is included in the organic light emitting device, relates to a polycyclic aromatic derivative compound represented by the following [Formula A], characterized in that it is possible to implement an organic light emitting device with high efficiency and long life.

[Formula A]

In the [Formula A],

Q ₁ to Q ₂ are the same as or different from each other, and each independently represent a substituted or unsubstituted aromatic hydrocarbon ring having 6 to 50 carbon atoms, or a substituted or unsubstituted aromatic heterocycle having 2 to 50 carbon atoms.

In the compound represented by [Formula A] according to the present invention, at least one of Q ₁ to Q ₂ is a 7-membered aromatic or heteroaromatic monocyclic or polycyclic ring.

Z is the same as or different from each other, and each independently represents CR ₁ or N.

Y is the same as or different from each other, and each independently NR ₂ , O, S, SiR ₃ R ₄ and CR ₅ R ₆ any one selected from

X is any one selected from B, P, P=O, P=S, and SiR ₇ .

Wherein R ₁ To R ₇ are the same as or different from each other, and each independently hydrogen, deuterium, a substituted or unsubstituted C 1 to C 30 alkyl group, a substituted or unsubstituted C 6 to C 50 aryl group, a substituted or unsubstituted A cycloalkyl group having 3 to 30 carbon atoms, a substituted or unsubstituted heterocycloalkyl group having 3 to 30 carbon atoms, a substituted or unsubstituted heteroaryl group having 2 to 50 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 30 carbon atoms, substituted Or an unsubstituted C6-C30 aryloxy group, a substituted or unsubstituted C1-C30 alkylthioxy group, a substituted or unsubstituted C5-C30 arylthioxy group, a substituted or unsubstituted C1-C30 of an alkylamine group, a substituted or unsubstituted arylamine group having 5 to 30 carbon atoms, a substituted or unsubstituted heteroarylamine group having 2 to 30 carbon atoms, a substituted or unsubstituted alkylsilyl group having 1 to 30 carbon atoms, substituted or Any one selected from an unsubstituted arylsilyl group having 5 to 30 carbon atoms, a nitro group, a cyano group, and a halogen group.

In addition, each of R ₁ to R ₇ may be connected to each other or an adjacent substituent to further form an alicyclic or aromatic monocyclic or polycyclic ring.

In addition, the R ₂ to R ₆ may be combined with the Q ₁ or Q ₂ ring to additionally form an alicyclic or aromatic monocyclic or polycyclic ring.

Meanwhile, in the present invention, the term 'substituted or unsubstituted' refers to Q ₁ to Q ₂ , R ₁ to R ₇ and the like are deuterium, cyano group, halogen group, hydroxyl group, nitro group, amino group, and alkyl group having 1 to 24 carbon atoms. , C3-C24 cycloalkyl group, C1-C24 halogenated alkyl group, C1-C24 alkenyl group, C1-C24 alkynyl group, C1-C24 heteroalkyl group, C1-C24 heterocycloalkyl group , C6-C24 aryl group, C6-C24 arylalkyl group, C2-C24 heteroaryl group, C2-C24 heteroarylalkyl group, C1-C24 alkoxy group, C1-C24 alkylamine group, an arylamine group having 1 to 24 carbon atoms, a hetero arylamine group having 1 to 24 carbon atoms, an alkylsilyl group having 1 to 24 carbon atoms, an arylsilyl group having 1 to 24 carbon atoms, and an aryloxy group having 1 to 24 carbon atoms. It means that it is substituted with one or two or more selected substituents, is substituted with a substituent to which two or more of the substituents are connected, or does not have any substituents.

In addition, the carbon number range of the alkyl group or aryl group in the 'substituted or unsubstituted alkyl group having 1 to 10 carbon atoms', 'substituted or unsubstituted aryl group having 6 to 30 carbon atoms', etc., considers the portion in which the substituent is substituted. It refers to the total number of carbon atoms constituting the alkyl part or the aryl part when viewed as unsubstituted. For example, a phenyl group substituted with a butyl group at the para-position corresponds to an aryl group having 6 carbon atoms substituted with a butyl group having 4 carbon atoms.

In addition, in the present invention, the meaning that adjacent groups are bonded to each other to form a ring means that adjacent groups can be bonded to each other to form a substituted or unsubstituted alicyclic or aromatic ring, and 'adjacent substituents' The substituent may refer to a substituent substituted on an atom directly connected to the substituted atom, a substituent located three-dimensionally closest to the substituent, or another substituent substituted with the atom in which the substituent is substituted. For example, two substituents substituted at an ortho position in a benzene ring and two substituents substituted at the same carbon in an aliphatic ring may be interpreted as 'adjacent substituents'.

In the present invention, the alkyl group may be linear or branched, and the number of carbon atoms is not particularly limited, but is preferably 1 to 20. Specific examples include methyl group, ethyl group, propyl group, n-propyl group, isopropyl group, butyl group, n-butyl group, isobutyl group, tert-butyl group, sec-butyl group, 1-methyl-butyl group, 1- Ethyl-butyl group, pentyl group, n-pentyl group, isopentyl group, neopentyl group, tert-pentyl group, hexyl group, n-hexyl group, 1-methylpentyl group, 2-methylpentyl group, 4-methyl- 2-pentyl group, 3,3-dimethylbutyl group, 2-ethylbutyl group, heptyl group, n-heptyl group, 1-methylhexyl group, cyclopentylmethyl group, cyclohexylmethyl group, octyl group, n-octyl group, tert -Octyl group, 1-methylheptyl group, 2-ethylhexyl group, 2-propylpentyl group, n-nonyl group, 2,2-dimethylheptyl group, 1-ethyl-propyl group, 1,1-dimethyl-propyl group , isohexyl group, 2-methylpentyl group, 4-methylhexyl group, 5-methylhexyl group, and the like, but is not limited thereto.

In the present invention, the alkenyl group includes a straight or branched chain, and may be further substituted by other substituents, specifically, a vinyl group, 1-propenyl group, isopropenyl group, 1-butenyl group, 2-bute Nyl group, 3-butenyl group, 1-pentenyl group, 2-pentenyl group, 3-pentenyl group, 3-methyl-1-butenyl group, 1,3-butadienyl group, allyl group, 1-phenylvinyl-1-yl group , 2-phenylvinyl-1-yl group, 2,2-diphenylvinyl-1-yl group, 2-phenyl-2-(naphthyl-1-yl)vinyl-1-yl group, 2,2-bis(diphenyl -1-yl) a vinyl-1-yl group, a stilbenyl group, a styrenyl group, and the like, but are not limited thereto.

In the present invention, the alkynyl group also includes a straight or branched chain, and may be further substituted by other substituents, and may include ethynyl, 2-propynyl, and the like, but is limited thereto. it doesn't happen

In the present invention, the cycloalkyl group includes a monocyclic or polycyclic ring, and may be further substituted by other substituents, and polycyclic refers to a group in which a cycloalkyl group is directly connected or condensed with another ring group, and another ring group is a cycloalkyl group may be, but may be other types of ring groups, such as a heterocycloalkyl group, an aryl group, a heteroaryl group, and the like. Specifically, cyclopropyl group, cyclobutyl group, cyclopentyl group, adamantyl group, 3-methylcyclopentyl group, 2,3-dimethylcyclopentyl group, cyclohexyl group, 3-methylcyclohexyl group, 4-methylcyclo a hexyl group, a 2,3-dimethylcyclohexyl group, a 3,4,5-trimethylcyclohexyl group, a 4-tert-butylcyclohexyl group, a cycloheptyl group, a cyclooctyl group, and the like, but is not limited thereto.

In the present invention, the heterocycloalkyl group includes a heteroatom such as O, S, Se, N or Si, and also includes a monocyclic or polycyclic ring, and may be further substituted by other substituents. The alkyl group refers to a group directly connected or condensed with another ring group, and the other ring group may be a heterocycloalkyl group, but may be a different type of ring group, such as a cycloalkyl group, an aryl group, a heteroaryl group, or the like.

In the present invention, the aryl group may be monocyclic or polycyclic, examples of the monocyclic aryl group include a phenyl group, a biphenyl group, a terphenyl group, and a stilbene group, and examples of the polycyclic aryl group include a naphthyl group, an anthracenyl group , phenanthrenyl group, pyrenyl group, perylenyl group, tetracenyl group, chrysenyl group, fluorenyl group, acenaphthacenyl group, triphenylene group, fluoranthene group, etc., but the scope of the present invention is limited to these examples it's not going to be

In the present invention, the heteroaryl group is a heterocyclic group containing heteroatoms, and examples thereof include a thiophene group, a furan group, a pyrrole group, an imidazole group, a thiazole group, an oxazole group, an oxadiazole group, a triazole group, a pyridyl group, Bipyridyl group, pyrimidyl group, triazine group, triazole group, acridyl group, pyridazine group, pyrazinyl group, quinolinyl group, quinazoline group, quinoxalinyl group, phthalazinyl group, pyridopyrimidinyl group, pyrido Pyrazinyl group, pyrazino pyrazinyl group, isoquinoline group, indole group, carbazole group, benzooxazole group, benzoimidazole group, benzothiazole group, benzocarbazole group, benzothiophene group, dibenzothiophene group, benzo Furanyl group, dibenzofuranyl group, phenanthroline group, thiazolyl group, isoxazolyl group, oxadiazolyl group, thiadiazolyl group, benzothiazolyl group, phenothiazinyl group, etc., but are not limited thereto .

In the present invention, the alkoxy group may be specifically methoxy, ethoxy, propoxy, isobutyloxy, sec-butyloxy, pentyloxy, iso-amyloxy, hexyloxy, and the like, but is not limited thereto.

In the present invention, the silyl group refers to a silyl group substituted with alkyl or a silyl group substituted with aryl, and specific examples of the silyl group include trimethylsilyl, triethylsilyl, triphenylsilyl, trimethoxysilyl, and dimethoxyphenylsilyl. , diphenylmethylsilyl, diphenylvinylsilyl, methylcyclobutylsilyl, dimethylfurylsilyl, and the like.

In the present invention, the amine group may be -NH ₂ , an alkylamine group, an arylamine group, etc., the arylamine group means an amine substituted with an aryl, the alkylamine group means an amine substituted with an alkyl, and an arylamine group Examples of these include a substituted or unsubstituted monoarylamine group, a substituted or unsubstituted diarylamine group, or a substituted or unsubstituted triarylamine group, and the aryl group in the arylamine group may be a monocyclic aryl group, It may be a cyclic aryl group, and the arylamine group including two or more aryl groups may include a monocyclic aryl group, a polycyclic aryl group, or a monocyclic aryl group and a polycyclic aryl group at the same time. In addition, the aryl group in the arylamine group may be selected from the examples of the aryl group described above.

In the present invention, the amine group may be -NH ₂ , an alkylamine group, an arylamine group, an arylheteroarylamine group, etc., the arylamine group means an amine substituted with aryl, and the alkylamine group means an amine substituted with an alkyl The aryl heteroarylamine group means an amine substituted with aryl and heteroaryl groups, and examples of the arylamine group include a substituted or unsubstituted monoarylamine group, a substituted or unsubstituted diarylamine group, or a substituted or There is an unsubstituted triarylamine group, and the aryl group and heteroaryl group in the arylamine group and the arylheteroarylamine group may be a monocyclic aryl group or a monocyclic heteroaryl group, and may be a polycyclic aryl group or a polycyclic heteroaryl group. And, the aryl group, the arylamine group comprising two or more heteroaryl groups, the arylheteroarylamine group is a monocyclic aryl group (heteroaryl group), a polycyclic aryl group (heteroaryl group), or a monocyclic aryl group (hetero) aryl group) and a polycyclic aryl group (heteroaryl group) may be included at the same time. In addition, the aryl group and the heteroaryl group in the arylamine group and the arylheteroarylamine group may be selected from the examples of the above-described aryl group and heteroaryl group.

In the present invention, the aryl group in the aryloxy group and the arylthioxy group is the same as the above-described aryl group, and specifically, the aryloxy group includes a phenoxy group, p-tolyloxy group, m-tolyloxy group, 3,5- Dimethyl-phenoxy group, 2,4,6-trimethylphenoxy group, p-tert-butylphenoxy group, 3-biphenyloxy group, 4-biphenyloxy group, 1-naphthyloxy group, 2-naphthyloxy group, 4 -Methyl-1-naphthyloxy group, 5-methyl-2-naphthyloxy group, 1-anthryloxy group, 2-anthryloxy group, 9-anthryloxy group, 1-phenanthryloxy group, 3-phenane toryloxy group, 9-phenanthryloxy group, and the like, and the arylthioxy group includes, but is not limited to, phenylthioxy group, 2-methylphenylthioxy group, 4-tert-butylphenylthioxy group, and the like.

In the present invention, examples of the halogen group include fluorine, chlorine, bromine or iodine.

More specifically, the polycyclic aromatic derivative compound represented by [Formula A] according to the present invention may be any one selected from the following [Compound 1] to [Compound 158], and specific substituents can be clearly identified through this, but , The scope of [Formula A] according to the present invention is not limited thereby.

As can be seen from the specific compound, an organic light emitting material having a unique characteristic of the substituent by introducing a substituent to form a polycyclic aromatic structure while including B, P, P=O, P=S, Si, etc. can be synthesized, and for example, a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, an electron injection layer, an electron blocking layer, a hole blocking layer material used in the manufacture of an organic light emitting device, etc. By introducing a substituent used in the structure A material that satisfies the conditions required by each organic layer can be manufactured, thereby realizing a highly efficient organic light emitting diode. In addition, the compound according to the present invention may be usefully used as a material for various organic layers, alone or in combination with other compounds, or may be used in a capping layer (CPL).

In addition, another aspect of the present invention relates to an organic light emitting device comprising a first electrode, a second electrode, and at least one organic layer interposed between the first electrode and the second electrode, wherein the organic layer has the [Formula A] It may include at least one organic light emitting compound according to the present invention represented by.

That is, the organic light emitting device according to an embodiment of the present invention may have a structure including a first electrode and a second electrode and an organic material layer disposed therebetween, and the organic light emitting compound of [Formula A] according to the present invention It may be manufactured using a conventional device manufacturing method and material, except that it is used for the organic material layer of the device.

The organic layer of the organic light emitting device according to the present invention may have a single-layer structure, but may have a multi-layered structure in which two or more organic layers are stacked. For example, it may have a structure including a hole injection layer, a hole transport layer, a hole blocking layer, a light emitting layer, an electron blocking layer, an electron transport layer, an electron injection layer, and the like. However, the present invention is not limited thereto and may include a smaller number or a larger number of organic layers, and the organic material layer structure of the organic light emitting device according to the present invention will be described in more detail in the Examples to be described later.

In addition, the organic electroluminescent device according to an embodiment of the present invention includes a substrate, a first electrode (anode), an organic material layer, a second electrode (cathode) and a capping layer, the capping layer is the second electrode upper (Top emission) ) can be formed.

In the method of forming the second electrode upper (Top emission), the light formed in the light emitting layer is emitted toward the cathode, and the light emitted toward the cathode passes through the capping layer (CPL) formed of the compound according to the present invention having a relatively high refractive index. The wavelength is amplified and thus the light efficiency is increased.

The organic light emitting device according to the present invention includes an anode, a hole transport layer, a light emitting layer, an electron transport layer and a cathode, and if necessary, may further include a hole injection layer between the anode and the hole transport layer, and also between the electron transport layer and the cathode It may further include an injection layer, and in addition to that, it is possible to further form an intermediate layer of one or two layers, and a hole blocking layer or an electron blocking layer may be further formed. An organic layer having various functions may be further included according to characteristics.

As a more preferred embodiment of the present invention, in the present invention, the organic layer interposed between the first electrode and the second electrode includes a light emitting layer, the light emitting layer is made of a host and a dopant, and the [Formula A] according to the present invention ] may be included as a dopant in the light emitting layer.

Meanwhile, a detailed structure of an organic light emitting device according to an embodiment of the present invention, a method for manufacturing the same, and materials for each organic layer will be described as follows.

First, an anode is formed by coating a material for an anode electrode on a substrate. Here, as the substrate, a substrate used in a conventional organic light emitting device is used, and an organic substrate or a transparent plastic substrate excellent in transparency, surface smoothness, handling and water resistance is preferable. In addition, as a material for the anode electrode, transparent and excellent indium tin oxide (ITO), indium zinc oxide (IZO), tin oxide (SnO ₂ ), zinc oxide (ZnO), etc. are used.

A hole injection layer is formed by vacuum thermal evaporation or spin coating of a hole injection layer material on the anode electrode, and then vacuum thermal evaporation or spin coating of a hole transport layer material on the hole injection layer to form a hole transport layer .

The hole injection layer material may be used without particular limitation as long as it is commonly used in the art, and as a specific example, 2-TNATA [4,4',4"-tris(2-naphthylphenyl-phenylamino)-triphenylamine] , NPD [N,N'-di(1-naphthyl)-N,N'-diphenylbenzidine)], TPD [N,N'-diphenyl-N,N'-bis(3-methylphenyl)-1,1'- biphenyl-4,4'-diamine], DNTPD [N,N'-diphenyl-N,N'-bis-[4-(phenyl-m-tolyl-amino)-phenyl]-biphenyl-4,4'-diamine ] HAT-CN [1,4,5,8,9,11-Hexaazatriphenylenehexacarbonitrile] and the like can be used.

In addition, the hole transport layer material is also not particularly limited as long as it is commonly used in the art, for example, N,N'-bis(3-methylphenyl)-N,N'-diphenyl-[1,1- Biphenyl]-4,4'-diamine (TPD) or N,N'-di(naphthalen-1-yl)-N,N'-diphenylbenzidine (α-NPD), etc. can be used.

Subsequently, a hole auxiliary layer and a light emitting layer are sequentially stacked on the hole transport layer, and a hole blocking layer is selectively deposited on the light emitting layer by a vacuum deposition method or a spin coating method to form a thin film. The hole blocking layer serves to prevent this problem by using a material having a very low HOMO (Highest Occupied Molecular Orbital) level because the lifetime and efficiency of the device are reduced when holes are introduced into the cathode through the organic light emitting layer. . In this case, the hole blocking material used is not particularly limited, but has an electron transport ability and has an ionization potential higher than that of a light emitting compound, and typically BAlq, BCP, TPBI, or the like may be used.

As the material used for the hole blocking layer, any one selected from BAlq, BCP, Bphen, TPBI, NTAZ, BeBq ₂ , OXD-7, Liq and [Formula 501] to [Formula 507] may be used, but limited thereto it is not going to be

BAlq BCP Bphen

TPBI NTAZ BeBq ₂

OXD-7 Liq

[Formula 501] [Formula 502] [Formula 503]

[Formula 504] [Formula 505] [Formula 506]

[Formula 507]

The present invention by forming an electron injection layer after depositing an electron transport layer on the hole blocking layer through a vacuum deposition method or a spin coating method, and vacuum thermal evaporation of a metal for forming a cathode on the electron injection layer to form a cathode electrode An organic light emitting diode according to an embodiment is completed.

Here, as the metal for forming the cathode, lithium (Li), magnesium (Mg), aluminum (Al), aluminum-lithium (Al-Li), calcium (Ca), magnesium-indium (Mg-In), magnesium-silver ( Mg-Ag) may be used, and in order to obtain a top light emitting device, a transmissive cathode using ITO or IZO may be used.

The electron transport layer material serves to stably transport electrons injected from the cathode, and a known electron transport material may be used. Examples of known electron transport materials include quinoline derivatives, in particular tris(8-quinolinolate)aluminum (Alq3), TAZ, BAlq, beryllium bis(benzoquinolin-10- Materials such as olate: Bebq2), [Formula 401], [Formula 402], and oxadiazole derivatives PBD, BMD, BND, etc. may be used.

TAZ BAlq

[Compound 401] [Compound 402] BCP

In addition, each of the organic layers may be formed by a monomolecular deposition method or a solution process, wherein the deposition method evaporates a material used as a material for forming each layer through heating in a vacuum or low pressure state. It refers to a method of forming a thin film, and the solution process mixes a material used as a material for forming each layer with a solvent, and uses it inkjet printing, roll to roll coating, screen printing, spray coating, dip coating, spin coating It refers to a method of forming a thin film through the same method.

In addition, the organic light emitting diode according to the present invention can be used in a device selected from a flat panel display device, a flexible display device, a device for flat panel lighting of a single color or white color, and a device for a flexible lighting device of a single color or white color.

Claims (9)

An organic light emitting compound represented by the following [Formula A]:
[Formula A]

In the [Formula A],
Q ₁ to Q ₂ are the same as or different from each other, and each independently represent a substituted or unsubstituted aromatic hydrocarbon ring having 6 to 50 carbon atoms, or a substituted or unsubstituted aromatic heterocyclic ring having 2 to 50 carbon atoms,
At least one of Q ₁ to Q ₂ is a 7-membered ring aromatic or heteroaromatic monocyclic or polycyclic ring,
Z is the same as or different from each other, each independently CR ₁ or N,
Y is the same as or different from each other, and each independently NR ₂ , O, S, SiR ₃ R ₄ and CR ₅ R ₆ Any one selected from
X is any one selected from B, P, P = O, P = S and SiR ₇ ,
Wherein R ₁ To R ₇ are the same as or different from each other, and each independently hydrogen, deuterium, a substituted or unsubstituted C 1 to C 30 alkyl group, a substituted or unsubstituted C 6 to C 50 aryl group, a substituted or unsubstituted A cycloalkyl group having 3 to 30 carbon atoms, a substituted or unsubstituted heterocycloalkyl group having 3 to 30 carbon atoms, a substituted or unsubstituted heteroaryl group having 2 to 50 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 30 carbon atoms, substituted or an unsubstituted C6 to C30 aryloxy group, a substituted or unsubstituted C1 to C30 alkylthioxy group, a substituted or unsubstituted C5 to C30 arylthioxy group, a substituted or unsubstituted C1 to C30 of an alkylamine group, a substituted or unsubstituted arylamine group having 5 to 30 carbon atoms, a substituted or unsubstituted heteroarylamine group having 2 to 30 carbon atoms, a substituted or unsubstituted alkylsilyl group having 1 to 30 carbon atoms, substituted or Any one selected from an unsubstituted arylsilyl group having 5 to 30 carbon atoms, a nitro group, a cyano group, and a halogen group,
Wherein R ₁ To R ₇ may be connected to each other or an adjacent substituent to form an alicyclic or aromatic monocyclic or polycyclic ring,
The R ₂ to R ₆ may be combined with the Q ₁ or Q ₂ ring to form an alicyclic or aromatic monocyclic or polycyclic ring. According to claim 1,
The [Formula A] is an organic light emitting compound, characterized in that any one selected from the following [Compound 1] to [Compound 158]:

A first electrode, a second electrode facing the first electrode, and an organic layer interposed between the first electrode and the second electrode,
An organic light emitting device comprising at least one compound represented by the [Formula A] according to claim 1, wherein the organic layer. 4. The method of claim 3,
The organic layer includes at least one of an electron injection layer, an electron transport layer, a hole injection layer, a hole transport layer, an electron blocking layer, a hole blocking layer, and a light emitting layer,
At least one of the layers comprises an organic light emitting compound represented by the [Formula A]. 5. The method of claim 4,
The light emitting layer consists of a host and a dopant, and the compound represented by the [Formula A] is an organic light emitting device, characterized in that the dopant in the light emitting layer. 4. The method of claim 3,
Further comprising a capping layer formed on at least one side opposite to the organic material layer among the upper or lower portions of the first electrode and the second electrode,
The capping layer is an organic light emitting device, characterized in that it comprises a compound represented by the [Formula A]. 7. The method of claim 6,
The capping layer is an organic light emitting device, characterized in that formed on at least one of a lower portion of the first electrode or an upper portion of the second electrode. 7. The method of claim 6,
At least one layer selected from the respective layers is an organic light emitting device, characterized in that formed by a deposition process or a solution process. 4. The method of claim 3,
The organic light emitting device may include a flat panel display device; flexible display devices; devices for flat-panel lighting, either monochromatic or white; and monochromatic or white flexible lighting devices; An organic light emitting device, characterized in that it is used in any one selected from.

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