WO2012091428A2 - 새로운 화합물 및 이를 이용한 유기 발광 소자 - Google Patents
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Definitions
- the present invention relates to an organic light emitting device in which a novel compound is contained in the organic compound layer that can greatly improve the lifetime, efficiency, electrochemical stability, and thermal stability of the organic light emitting device.
- the organic light emitting phenomenon is an example of converting an electric current into visible light by an internal process of a specific organic molecule.
- the principle of the organic light emitting phenomenon is as follows. When the organic material layer is positioned between the anode and the cathode, a voltage is applied between the two electrodes, and electrons and holes are injected into the organic material layer from the cathode and the anode, respectively. Electrons and holes injected into the organic material layer recombine to form excitons, and the excitons fall back to the ground to shine.
- An organic light emitting device using this principle may be generally composed of an organic material layer including a cathode and an anode and an organic material layer disposed therebetween, such as a hole injection layer, a hole transport layer, a light emitting layer, and an electron transport layer.
- the materials used in the organic light emitting device are pure organic materials or complex compounds in which organic materials and metals are complexed, and according to the purpose, hole injection materials, hole transport materials, light emitting materials, electron transport materials, electron injection materials, etc. It can be divided into.
- the hole injection material or the hole transport material an organic material having a p-type property, that is, an organic material which is easily oxidized and has an electrochemically stable state during oxidation, is mainly used.
- the electron injecting material or the electron transporting material an organic material having an n-type property, that is, an organic material which is easily reduced and has an electrochemically stable state at the time of reduction is mainly used.
- the light emitting layer material a material having a p-type property and an n-type property at the same time, that is, a material having a stable form in both oxidation and reduction states, and a material having high luminous efficiency that converts it to light when excitons are formed desirable.
- the material used in the organic light emitting device additionally have the following properties.
- the material used in the organic light emitting device is preferably excellent in thermal stability. This is because joule heating occurs due to the movement of charges in the organic light emitting diode.
- NPB which is mainly used as a hole transporting material, has a glass transition temperature of 100 ° C. or less, and thus, it is difficult to use in an organic light emitting device requiring a high current.
- the material used for the organic light emitting device should have an appropriate band gap and HOMO or LUMO energy level.
- PEDOT PSS used as a hole transporting material in an organic light emitting device manufactured by a solution coating method has a low LUMO energy level compared to the LUMO energy level of an organic material used as a light emitting layer material. There is a difficulty.
- the material used in the organic light emitting device should be excellent in chemical stability, charge mobility, interface characteristics between the electrode and the adjacent layer. That is, the material used in the organic light emitting device should be less deformation of the material by moisture or oxygen. In addition, by having an appropriate hole or electron mobility it should be able to maximize the exciton formation by balancing the density of holes and electrons in the light emitting layer of the organic light emitting device. In addition, for the stability of the device should be able to improve the interface with the electrode containing a metal or metal oxide.
- An object of the present invention is to provide an organic light emitting device comprising a compound having a structure.
- the present invention provides a compound represented by the following formula (1).
- Ar 1 and Ar 2 are the same as or different from each other, and each independently hydrogen; heavy hydrogen; Halogen, alkyl, alkenyl, alkoxy, substituted or unsubstituted aryl group, substituted or unsubstituted arylalkyl group, substituted or unsubstituted arylalkenyl group, substituted or unsubstituted heterocyclic group, substituted or unsubstituted An alkyl group unsubstituted or substituted with one or more substituents selected from the group consisting of a carbazolyl group, a substituted or unsubstituted fluorenyl group, a nitrile group, and an acetylene group; Halogen, alkyl, alkenyl, alkoxy, substituted or unsubstituted aryl group, substituted or unsubstituted arylalkyl group, substituted or unsubstituted arylalkenyl group, substituted or unsubstit
- L is a direct bond; An arylene group having 6 to 40 carbon atoms unsubstituted or substituted with one or more substituents selected from the group consisting of nitro, nitrile, halogen, alkyl and alkoxy groups; Divalent heterocyclic groups unsubstituted or substituted with one or more substituents selected from the group consisting of nitro, nitrile, halogen, alkyl and alkoxy groups; Or a fluorenylene group unsubstituted or substituted with one or more substituents selected from the group consisting of nitro, nitrile, halogen, alkyl and alkoxy groups, provided that L is a direct bond and Ar 1 and Ar 2 are simultaneously a phenyl group having 6 carbon atoms. Or except for a tolyl group having 7 carbon atoms,
- Ar 3 and Ar 4 are the same as or different from each other, and each independently hydrogen; heavy hydrogen; Tritium; Halogen, alkyl, alkenyl, alkoxy, substituted or unsubstituted aryl group, substituted or unsubstituted arylalkyl group, substituted or unsubstituted arylalkenyl group, substituted or unsubstituted heterocyclic group, substituted or unsubstituted An alkenyl group unsubstituted or substituted with one or more substituents selected from the group consisting of a carbazolyl group, a substituted or unsubstituted fluorenyl group, a nitrile group, and an acetylene group; Halogen, alkyl, alkenyl, alkoxy, substituted or unsubstituted aryl group, substituted or unsubstituted arylalkyl group, substituted or unsubstituted arylalkenyl group, substituted
- the present invention is an organic light emitting device comprising a first electrode, a second electrode, and at least one organic layer disposed between the first electrode and the second electrode, at least one of the organic layer is represented by the formula (1) Provided is an organic light emitting device comprising the compound.
- the compound of the present invention can be used as an organic layer material, especially a hole injection material and / or hole transport material in an organic light emitting device, when the compound is used in an organic light emitting device to lower the driving voltage of the device, improve the light efficiency, Thermal stability of the device can improve the life characteristics of the device.
- FIG. 1 shows an example of an organic light emitting element composed of a substrate 1, an anode 2, a light emitting layer 3, and a cathode 4. As shown in FIG.
- FIG. 2 shows an example of an organic light emitting device consisting of a substrate 1, an anode 2, a hole injection layer 5, a hole transport layer 6, a light emitting layer 7, an electron transport layer 8 and a cathode 4. It is.
- the novel compound according to the present invention is characterized by represented by the formula (1).
- halogen group examples include fluorine, chlorine, bromine and iodine, but are not limited thereto.
- the alkyl group may be straight or branched chain, carbon number is not particularly limited, but is preferably 1 to 12. Specific examples include, but are not limited to, methyl, ethyl, propyl, isopropyl, butyl, t-butyl, pentyl, hexyl, heptyl, and the like.
- the alkenyl group may be linear or branched, and the carbon number is not particularly limited, but is preferably 2 to 12. Specific examples thereof include alkenyl groups in which aryl groups such as stylbenyl and styrenyl are connected, but are not limited thereto.
- the cycloalkyl group does not give a steric hindrance of 3 to 12 carbon atoms.
- Specific examples include a cyclopentyl group and a cyclohexyl group, but are not limited thereto.
- the alkoxy group preferably has 1 to 12 carbon atoms, more specifically methoxy, ethoxy, isopropyloxy, and the like, but is not limited thereto.
- the aryl group may be monocyclic or polycyclic, and the carbon number is not particularly limited, but is preferably 6 to 40.
- Examples of the monocyclic aryl group include phenyl group, biphenyl group, terphenyl group, stilbene, and the like.
- Examples of the polycyclic aryl group include naphthyl group, anthracenyl group, phenanthrene group, pyrenyl group, perrylenyl group and cry But may be exemplified, but is not limited thereto.
- the heteroaryl group is a ring group containing O, N, S or P as a hetero atom, and the number of carbon atoms is not particularly limited, but is preferably 3 to 30 carbon atoms.
- the heterocyclic group include a carbazole group, 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, a pyridazine group, a quinolinyl group, an isoquinoline group
- there is an acrydyl group and the like compounds such as the following structural formula is preferable, but is not limited thereto.
- substituted or unsubstituted herein is substituted or unsubstituted with deuterium, halogen, alkyl, alkenyl, alkoxy, silyl, arylalkenyl, aryl, heteroaryl, carbazole, aryl It means that it is substituted with one or more substituents selected from the group consisting of a ring fluorenyl group and a nitrile group or have no substituent.
- Substituents which may be further substituted with Ar 1 to Ar 4 , and L of Formula 1 may include a halogen group, an alkyl group, an alkenyl group, an alkoxy group, a silyl group, an aryl alkenyl group, an aryl group, a heteroaryl group, a carbazole group, and an aryl.
- a fluorenyl group, a nitrile group, etc. substituted or unsubstituted by the group can be mentioned, but it is not limited to this.
- Ar 1 and Ar 2 of Formula 1 are the same as or different from each other, and each independently a halogen group, an alkyl group, an alkenyl group, an alkoxy group, a substituted or unsubstituted aryl group, a substituted or unsubstituted arylalkyl group, a substituted or unsubstituted Unsubstituted or substituted with one or more substituents selected from the group consisting of a substituted arylalkenyl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted carbazolyl group, a substituted or unsubstituted fluorenyl group, a nitrile group and an acetylene group Aryl group; Halogen, alkyl, alkenyl, alkoxy, substituted or unsubstituted aryl group, substituted or unsubstituted arylalkyl group, substituted or unsubstitute
- L in Formula 1 is a direct bond; Or an arylene group having 6 to 40 carbon atoms unsubstituted or substituted with one or more substituents selected from the group consisting of nitro, nitrile, halogen, alkyl and alkoxy groups.
- Ar 1 and Ar 2 are simultaneously a phenyl group having 6 carbon atoms or a tolyl group having 7 carbon atoms.
- Ar 3 and Ar 4 of Formula 1 are the same as or different from each other, and each independently hydrogen; heavy hydrogen; Halogen, alkyl, alkenyl, alkoxy, substituted or unsubstituted aryl group, substituted or unsubstituted arylalkyl group, substituted or unsubstituted arylalkenyl group, substituted or unsubstituted heterocyclic group, substituted or unsubstituted An aryl group unsubstituted or substituted with one or more substituents selected from the group consisting of a carbazolyl group, a substituted or unsubstituted fluorenyl group, a nitrile group, and an acetylene group; And halogen, alkyl, alkenyl, alkoxy, substituted or unsubstituted aryl groups, substituted or unsubstituted arylalkyl groups, substituted or unsubstituted arylalkenyl groups, substituted
- Formula 1 may be represented by the following Formula 2 or 3, but is not limited thereto.
- the compound according to the present invention may be more specifically exemplified as the following compound, but the following compound does not limit the present invention.
- the present invention also provides a method for preparing the derivative represented by the formula (1).
- the compound represented by Chemical Formula 1 may be prepared using a common method known in the art, such as a condensation reaction and a Suzuki coupling reaction.
- the compound of formula 1 according to the present invention may be prepared by a multistage chemical reaction.
- the preparation of the compounds is described by the following preparation. As shown in the preparation, some intermediate compounds are prepared first, and compounds of formula 1 are prepared from the intermediate compounds.
- Compounds represented by Formula 1 may have properties suitable for use as an organic material layer used in an organic light emitting device by introducing various substituents in the core structure represented by the formula.
- the compound represented by Formula 1 has a high glass transition temperature (Tg) is excellent in thermal stability. This increase in thermal stability is an important factor in providing drive stability to the device.
- the organic light emitting device is an organic light emitting device comprising a first electrode, a second electrode, and at least one organic layer disposed between the first electrode and the second electrode, at least one of the organic layer It is characterized by including a compound represented by the formula (1).
- the organic light emitting device of the present invention may be manufactured by a conventional method and material for manufacturing an organic light emitting device, except that at least one organic material layer is formed using the above-described compound.
- the compound represented by Chemical Formula 1 may be formed of an organic material layer by a solution coating method as well as a vacuum deposition method in manufacturing an organic light emitting device.
- the solution coating method means spin coating, dip coating, inkjet printing, screen printing, spraying method, roll coating and the like, but is not limited thereto.
- the organic material layer of the organic light emitting device of the present invention may have a single layer structure, but may have a multilayer structure in which two or more organic material layers are stacked.
- the organic light emitting device of the present invention may have a structure including a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, an electron injection layer and the like as an organic material layer.
- the structure of the organic light emitting device is not limited thereto and may include a smaller number of organic material layers.
- the organic material layer may include at least one of a hole injection layer, a hole transport layer, and a layer for simultaneously injecting holes and transporting holes, and at least one of the layers may be represented by Formula 1 above. It may include a compound represented by.
- the organic material layer may include a light emitting layer, and the light emitting layer may include a compound represented by Chemical Formula 1.
- the organic material layer may include one or more layers of an electron transport layer, an electron injection layer, and a layer for simultaneously transporting and transporting electrons, and one or more of the layers may include a compound represented by Formula 1 above. have.
- the compound represented by Chemical Formula 1 may be included in a light emitting layer, a layer for simultaneously injecting / holes transporting and emitting light, a layer for simultaneously transporting holes and emitting light, or a layer for simultaneously transporting electrons and emitting light. have.
- the structure of the organic light emitting device of the present invention may have a structure as shown in FIGS. 1 and 2, but is not limited thereto.
- FIG. 1 illustrates a structure of an organic light emitting device in which an anode 2, a light emitting layer 3, and a cathode 4 are sequentially stacked on a substrate 1.
- the compound represented by Formula 1 may be included in the light emitting layer (3).
- FIG. 2 illustrates an organic light emitting device in which an anode 2, a hole injection layer 5, a hole transport layer 6, a light emitting layer 7, an electron transport layer 8, and a cathode 4 are sequentially stacked on a substrate 1.
- the structure is illustrated.
- the compound represented by Chemical Formula 1 may be included in the hole injection layer 5, the hole transport layer 6, the light emitting layer 7, or the electron transport layer 8.
- the organic light emitting device uses a metal vapor deposition (PVD) method such as sputtering or e-beam evaporation, and has a metal oxide or a metal oxide or an alloy thereof on a substrate. It can be prepared by depositing an anode to form an anode, an organic material layer including a hole injection layer, a hole transport layer, a light emitting layer and an electron transport layer thereon, and then depositing a material that can be used as a cathode thereon.
- PVD metal vapor deposition
- an organic light emitting device may be manufactured by sequentially depositing a cathode material, an organic material layer, and an anode material on a substrate.
- the organic layer may have a multilayer structure including a hole injection layer, a hole transport layer, a light emitting layer, and an electron transport layer, but is not limited thereto and may have a single layer structure.
- the organic material layer may be formed by using a variety of polymer materials, and by using a method such as spin coating, dip coating, doctor blading, screen printing, inkjet printing, or thermal transfer method, rather than a deposition method. It can be prepared in layers.
- the anode material a material having a large work function is usually preferred to facilitate hole injection into the organic material layer.
- the positive electrode material that can be used in the present invention include metals such as vanadium, chromium, copper, zinc, gold or alloys thereof; Metal oxides such as zinc oxide, indium oxide, indium tin oxide (ITO), indium zinc oxide (IZO); A combination of a metal and an oxide such as ZnO: Al or SnO 2 : Sb; Conductive polymers such as poly (3-methyl compound), poly [3,4- (ethylene-1,2-dioxy) compound] (PEDT), polypyrrole and polyaniline, and the like, but are not limited thereto.
- the cathode material is a material having a small work function to facilitate electron injection into the organic material layer.
- the negative electrode material include metals such as magnesium, calcium, sodium, potassium, titanium, indium, yttrium, lithium, gadolinium, aluminum, silver, tin, and lead or alloys thereof; Multilayer structure materials such as LiF / Al or LiO 2 / Al, and the like, but are not limited thereto.
- the hole injection material is a material capable of well injecting holes from the anode at a low voltage, and the highest occupied molecular orbital (HOMO) of the hole injection material is preferably between the work function of the anode material and the HOMO of the surrounding organic material layer.
- the hole injection material include metal porphyrine, oligothiophene, arylamine-based organics, hexanitrile hexaazatriphenylene-based organics, quinacridone-based organics, and perylene-based Organic compounds, anthraquinones and polyaniline and poly-compounds of conductive polymers, and the like, but are not limited thereto.
- the hole transporting material a material capable of transporting holes from the anode or the hole injection layer to be transferred to the light emitting layer is suitable.
- a material capable of transporting holes from the anode or the hole injection layer to be transferred to the light emitting layer is suitable.
- Specific examples thereof include an arylamine-based organic material, a conductive polymer, and a block copolymer having a conjugated portion and a non-conjugated portion together, but are not limited thereto.
- the light emitting material is a material capable of emitting light in the visible region by transporting and combining holes and electrons from the hole transport layer and the electron transport layer, respectively, and a material having good quantum efficiency with respect to fluorescence or phosphorescence is preferable.
- Specific examples thereof include 8-hydroxyquinoline aluminum complex (Alq 3 ); Carbazole series compounds; Dimerized styryl compounds; BAlq; 10-hydroxybenzoquinoline-metal compound; Benzoxazole, benzthiazole and benzimidazole series compounds; Poly (p-phenylenevinylene) (PPV) -based polymers; Spiro compounds; Polyfluorene, rubrene and the like, but are not limited thereto.
- the electron transporting material is a material capable of injecting electrons well from the cathode and transferring the electrons to the light emitting layer.
- a material having high mobility to electrons is suitable. Specific examples include Al complexes of 8-hydroxyquinoline; Complexes including Alq 3 ; Organic radical compounds; Hydroxyflavone-metal complexes and the like, but are not limited thereto.
- the organic light emitting device according to the present invention may be a top emission type, a bottom emission type or a double-sided emission type depending on the material used.
- the compound according to the present invention may also operate on a principle similar to that applied to organic light emitting devices in organic electronic devices including organic solar cells, organic photoconductors, organic transistors, and the like.
- 2-bromotriphenylene (30 g, 97.7 mmol) and 4-chlorophenylboronic acid (16.7 g, 107 mmol) were dissolved in tetrahydrofuran (150 ml), followed by potassium carbonate (K 2 CO 3 , potassium carbonate, 40.4 g, 292.8 mmol) was added to the reaction solution together with water, followed by heating and stirring under nitrogen for about an hour. After stirring for 1 hour, tetrakis (triphenylphosphine) palladium (2.3 g, 1.95 mmol) was added thereto, followed by heating with stirring for 4 hours.
- K 2 CO 3 potassium carbonate
- the compound 1-2 was prepared by the same method except that the compound diphenyl-fluorene group amine (11.2 g, 31 mmol) was used instead of the compound bisdiphenyl group amine. (9g, 46%) was obtained.
- the compound 1-4 was prepared in the same manner except for using the compound diphenyl-fluorene group amine (11.2 g, 31 mmol) instead of the compound bisdiphenyl group amine. (12g, 61%) was obtained.
- the compound 1-7 (13 g) was manufactured by the same method except that the compound terphenyl-phenyl group amine (9.96 g, 31 mmol) was used instead of the compound bisdiphenyl group amine. , 70.6%).
- the compound 1-8 (11 g) was prepared in the same manner except for using the compound terphenyl-phenyl group amine (9.96 g, 31 mmol) instead of the compound bisdiphenyl group amine. , 60%).
- a glass substrate (corning 7059 glass) coated with ITO (Indium Tin Oxide) with a thickness of 1,000 ⁇ was placed in distilled water in which a dispersant was dissolved, and ultrasonically washed. Fischer Co. products were used for the detergent, and Millipore Co. Secondly filtered distilled water was used as a filter of the product. After the ITO was washed for 30 minutes, the ultrasonic cleaning was repeated twice with distilled water for 10 minutes. After washing the distilled water, the ultrasonic washing in the order of isopropyl alcohol, acetone, methanol solvent and dried.
- ITO Indium Tin Oxide
- Hexonitrile hexaazatriphenylene was thermally vacuum deposited to a thickness of 500 kPa on the prepared ITO transparent electrode to form a hole injection layer.
- Chemical Formula 1-1 400 kPa synthesized in Preparation Example 1 as a material for transporting holes thereon
- the host H1 and the dopant D1 compound were vacuum deposited to a thickness of 300 kPa as a light emitting layer.
- E1 compound 300 kPa
- An organic light emitting device was manufactured by sequentially depositing 12 ⁇ thick lithium fluoride (LiF) and 2,000 ⁇ thick aluminum on the electron transport layer to form a cathode.
- the deposition rate of the organic material was maintained at 1 ⁇ / sec
- the lithium fluoride was 0.2 ⁇ / sec
- the aluminum was maintained at a deposition rate of 3 to 7 ⁇ / sec.
- Table 1 shows the results of experimenting with the organic light emitting device manufactured by using each compound as the hole transporting material as in Examples 1 to 8 and Comparative Example 1.
- the compound derivative of the formula according to the present invention may play a role of hole injection and hole transport in an organic electronic device including an organic light emitting device, and the device according to the present invention exhibits excellent characteristics in terms of efficiency, driving voltage, and stability.
Abstract
Description
Claims (12)
- 하기 화학식 1로 표시되는 화합물:[화학식 1]상기 화학식 1에 있어서,Ar1 및 Ar2는 서로 동일하거나 상이하고, 각각 독립적으로 수소; 중수소; 할로겐기, 알킬기, 알케닐기, 알콕시기, 치환 또는 비치환된 아릴기, 치환 또는 비치환된 아릴알킬기, 치환 또는 비치환된 아릴알케닐기, 치환 또는 비치환된 헤테로 고리기, 치환 또는 비치환된 카바졸릴기, 치환 또는 비치환된 플루오레닐기, 니트릴기 및 아세틸렌기로 이루어진 군에서 선택된 1개 이상의 치환기로 치환 또는 비치환된 알킬기; 할로겐기, 알킬기, 알케닐기, 알콕시기, 치환 또는 비치환된 아릴기, 치환 또는 비치환된 아릴알킬기, 치환 또는 비치환된 아릴알케닐기, 치환 또는 비치환된 헤테로 고리기, 치환 또는 비치환된 카바졸릴기, 치환 또는 비치환된 플루오레닐기, 니트릴기 및 아세틸렌기로 이루어진 군에서 선택된 1개 이상의 치환기로 치환 또는 비치환된 알콕시기; 할로겐기, 알킬기, 알케닐기, 알콕시기, 치환 또는 비치환된 아릴기, 치환 또는 비치환된 아릴알킬기, 치환 또는 비치환된 아릴알케닐기, 치환 또는 비치환된 헤테로 고리기, 치환 또는 비치환된 카바졸릴기, 치환 또는 비치환된 플루오레닐기, 니트릴기 및 아세틸렌기로 이루어진 군에서 선택된 1개 이상의 치환기로 치환 또는 비치환된 아릴기; 할로겐기, 알킬기, 알케닐기, 알콕시기, 치환 또는 비치환된 아릴기, 치환 또는 비치환된 아릴알킬기, 치환 또는 비치환된 아릴알케닐기, 치환 또는 비치환된 헤테로 고리기, 치환 또는 비치환된 카바졸릴기, 치환 또는 비치환된 플루오레닐기, 니트릴기 및 아세틸렌기로 이루어진 군에서 선택된 1개 이상의 치환기로 치환 또는 비치환되고 이종원자로 O, N 또는 S를 포함하는 헤테로 고리기; 할로겐기, 알킬기, 알케닐기, 알콕시기, 치환 또는 비치환된 아릴기, 치환 또는 비치환된 아릴알킬기, 치환 또는 비치환된 아릴알케닐기, 치환 또는 비치환된 헤테로기, 치환 또는 비치환된 카바졸릴기, 치환 또는 비치환된 플루오레닐기, 니트릴기 및 아세틸렌기로 이루어진 군에서 선택된 1개 이상의 치환기로 치환 또는 비치환된 카바졸릴기; 할로겐기, 알킬기, 알케닐기, 알콕시기, 치환 또는 비치환된 아릴기, 치환 또는 비치환된 아릴알킬기, 치환 또는 비치환된 아릴알케닐기, 치환 또는 비치환된 헤테로 고리기, 치환 또는 비치환된 카바졸릴기, 치환 또는 비치환된 플루오레닐기, 니트릴기 및 아세틸렌기로 이루어진 군에서 선택된 1개 이상의 치환기로 치환 또는 비치환된 플루오레닐기; 할로겐기, 알킬기, 알케닐기, 알콕시기, 치환 또는 비치환된 아릴기, 치환 또는 비치환된 아릴알킬기, 치환 또는 비치환된 아릴알케닐기, 치환 또는 비치환된 헤테로 고리기, 치환 또는 비치환된 카바졸릴기, 치환 또는 비치환된 플루오레닐기, 니트릴기 및 아세틸렌기로 이루어진 군에서 선택된 1개 이상의 치환기로 치환 또는 비치환된 아릴옥시기; 할로겐기, 알킬기, 알케닐기, 알콕시기, 치환 또는 비치환된 아릴기, 치환 또는 비치환된 아릴알킬기, 치환 또는 비치환된 아릴알케닐기, 치환 또는 비치환된 헤테로 고리기, 치환 또는 비치환된 카바졸릴기, 치환 또는 비치환된 플루오레닐기, 니트릴기 및 아세틸렌기로 이루어진 군에서 선택된 1개 이상의 치환기로 치환 또는 비치환된 아릴티오기; 및 할로겐기, 알킬기, 알케닐기, 알콕시기, 치환 또는 비치환된 아릴기, 치환 또는 비치환된 아릴알킬기, 치환 또는 비치환된 아릴알케닐기, 치환 또는 비치환된 헤테로 고리기, 치환 또는 비치환된 카바졸릴기, 치환 또는 비치환된 플루오레닐기, 니트릴기 및 아세틸렌기로 이루어진 군에서 선택된 1개 이상의 치환기로 치환 또는 비치환된 알콕시카르보닐기로 이루어진 군에서 선택되고,L은 직접결합; 니트로, 니트릴, 할로겐, 알킬기 및 알콕시기로 이루어진 군으로부터 선택되는 1개 이상의 치환기로 치환 또는 비치환된 탄소수 6 내지 40의 아릴렌기; 니트로, 니트릴, 할로겐, 알킬기 및 알콕시기로 이루어진 군으로부터 선택되는 1개 이상의 치환기로 치환 또는 비치환된 2가의 헤테로 고리기; 또는 니트로, 니트릴, 할로겐, 알킬기 및 알콕시기로 이루어진 군으로부터 선택되는 1개 이상의 치환기로 치환 또는 비치환된 플루오레닐렌기이고, 단, L이 직접결합이고 Ar1 및 Ar2가 동시에 탄소수 6의 페닐기 또는 탄소수 7의 톨릴기인 경우는 제외하고,Ar3 및 Ar4는 서로 동일하거나 상이하고, 각각 독립적으로 수소; 중수소; 삼중수소; 할로겐기, 알킬기, 알케닐기, 알콕시기, 치환 또는 비치환된 아릴기, 치환 또는 비치환된 아릴알킬기, 치환 또는 비치환된 아릴알케닐기, 치환 또는 비치환된 헤테로 고리기, 치환 또는 비치환된 카바졸릴기, 치환 또는 비치환된 플루오레닐기, 니트릴기 및 아세틸렌기로 이루어진 군에서 선택된 1개 이상의 치환기로 치환 또는 비치환된 알케닐기; 할로겐기, 알킬기, 알케닐기, 알콕시기, 치환 또는 비치환된 아릴기, 치환 또는 비치환된 아릴알킬기, 치환 또는 비치환된 아릴알케닐기, 치환 또는 비치환된 헤테로 고리기, 치환 또는 비치환된 카바졸릴기, 치환 또는 비치환된 플루오레닐기, 니트릴기 및 아세틸렌기로 이루어진 군에서 선택된 1개 이상의 치환기로 치환 또는 비치환된 아릴기; 할로겐기, 알킬기, 알케닐기, 알콕시기, 치환 또는 비치환된 아릴기, 치환 또는 비치환된 아릴알킬기, 치환 또는 비치환된 아릴알케닐기, 치환 또는 비치환된 헤테로 고리기, 치환 또는 비치환된 카바졸릴기, 치환 또는 비치환된 플루오레닐기, 니트릴기 및 아세틸렌기로 이루어진 군에서 선택된 1개 이상의 치환기로 치환 또는 비치환되고 이종원자로 O, N 또는 S를 포함하는 헤테로 고리기; 할로겐기, 알킬기, 알케닐기, 알콕시기, 치환 또는 비치환된 아릴기, 치환 또는 비치환된 아릴알킬기, 치환 또는 비치환된 아릴알케닐기, 치환 또는 비치환된 헤테로 고리기, 치환 또는 비치환된 카바졸릴기, 치환 또는 비치환된 플루오레닐기, 니트릴기 및 아세틸렌기로 이루어진 군에서 선택된 1개 이상의 치환기로 치환 또는 비치환된 카바졸릴기; 할로겐기, 알킬기, 알케닐기, 알콕시기, 치환 또는 비치환된 아릴기, 치환 또는 비치환된 아릴알킬기, 치환 또는 비치환된 아릴알케닐기, 치환 또는 비치환된 헤테로 고리기, 치환 또는 비치환된 카바졸릴기, 치환 또는 비치환된 플루오레닐기, 니트릴기 및 아세틸렌기로 이루어진 군에서 선택된 1개 이상의 치환기로 치환 또는 비치환된 플루오레닐기; 및 니트릴기로 이루어진 군에서 선택된다.
- 청구항 1에 있어서, 상기 화학식 1의 Ar1 및 Ar2는 서로 동일하거나 상이하고, 각각 독립적으로 할로겐기, 알킬기, 알케닐기, 알콕시기, 치환 또는 비치환된 아릴기, 치환 또는 비치환된 아릴알킬기, 치환 또는 비치환된 아릴알케닐기, 치환 또는 비치환된 헤테로 고리기, 치환 또는 비치환된 카바졸릴기, 치환 또는 비치환된 플루오레닐기, 니트릴기 및 아세틸렌기로 이루어진 군에서 선택된 1개 이상의 치환기로 치환 또는 비치환된 아릴기; 및 할로겐기, 알킬기, 알케닐기, 알콕시기, 치환 또는 비치환된 아릴기, 치환 또는 비치환된 아릴알킬기, 치환 또는 비치환된 아릴알케닐기, 치환 또는 비치환된 헤테로 고리기, 치환 또는 비치환된 카바졸릴기, 치환 또는 비치환된 플루오레닐기, 니트릴기 및 아세틸렌기로 이루어진 군에서 선택된 1개 이상의 치환기로 치환 또는 비치환되고 이종원자로 O, N 또는 S를 포함하는 헤테로 고리기로 이루어진 군으로부터 선택되는 것을 특징으로 하는 화합물.
- 청구항 1에 있어서, 상기 화학식 1의 L은 직접결합; 또는 니트로, 니트릴, 할로겐, 알킬기 및 알콕시기로 이루어진 군으로부터 선택되는 1개 이상의 치환기로 치환 또는 비치환된 탄소수 6 내지 40의 아릴렌기인 것을 특징으로 하는 화합물.
- 청구항 1에 있어서, 상기 화학식 1의 Ar3 및 Ar4는 서로 동일하거나 상이하고, 각각 독립적으로 수소; 중수소; 할로겐기, 알킬기, 알케닐기, 알콕시기, 치환 또는 비치환된 아릴기, 치환 또는 비치환된 아릴알킬기, 치환 또는 비치환된 아릴알케닐기, 치환 또는 비치환된 헤테로 고리기, 치환 또는 비치환된 카바졸릴기, 치환 또는 비치환된 플루오레닐기, 니트릴기 및 아세틸렌기로 이루어진 군에서 선택된 1개 이상의 치환기로 치환 또는 비치환된 아릴기; 및 할로겐기, 알킬기, 알케닐기, 알콕시기, 치환 또는 비치환된 아릴기, 치환 또는 비치환된 아릴알킬기, 치환 또는 비치환된 아릴알케닐기, 치환 또는 비치환된 헤테로 고리기, 치환 또는 비치환된 카바졸릴기, 치환 또는 비치환된 플루오레닐기, 니트릴기 및 아세틸렌기로 이루어진 군에서 선택된 1개 이상의 치환기로 치환 또는 비치환되고 이종원자로 O, N 또는 S를 포함하는 헤테로 고리기로 이루어진 군으로부터 선택되는 것을 특징으로 하는 화합물.
- 제1 전극, 제2 전극, 및 상기 제1 전극과 제2 전극 사이에 배치된 1층 이상의 유기물층을 포함하는 유기 발광 소자로서, 상기 유기물층 중 1층 이상은 청구항 1 내지 청구항 6 중 어느 한 항의 화합물을 포함하는 유기 발광 소자.
- 청구항 7에 있어서, 상기 유기물층은 정공 수송층을 포함하고, 이 정공 수송층이 상기 화학식 1로 표시되는 화합물을 포함하는 것을 특징으로 하는 유기 발광 소자.
- 청구항 7에 있어서, 상기 유기물층은 정공 주입층을 포함하고, 이 정공 주입층이 상기 화학식 1로 표시되는 화합물을 포함하는 것을 특징으로 하는 유기 발광 소자.
- 청구항 7에 있어서, 상기 유기물층은 정공 주입과 정공 수송을 동시에 포함하는 층을 포함하고, 이 층이 상기 화학식 1로 표시되는 화합물을 포함하는 것을 특징으로 하는 유기 발광 소자.
- 청구항 7에 있어서, 상기 유기물층은 전자 주입 및 전자 수송층을 포함하고, 이 전자 주입 또는 전자 수송층이 상기 화학식 1로 표시되는 화합물을 포함하는 것을 특징으로 하는 유기 발광 소자.
- 청구항 7에 있어서, 상기 유기물층은 발광층을 포함하고, 이 발광층이 상기 화학식 1로 표시되는 화합물을 포함하는 것을 특징으로 하는 유기 발광 소자.
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JP2013547337A JP5844384B2 (ja) | 2010-12-29 | 2011-12-27 | 新規な化合物およびこれを用いた有機発光素子 |
EP11853854.5A EP2660300B1 (en) | 2010-12-29 | 2011-12-27 | Novel compound, and organic light-emitting device using same |
CN201180063718.XA CN104220555B (zh) | 2010-12-29 | 2011-12-27 | 新的化合物和使用其的有机发光器件 |
US13/994,548 US8946695B2 (en) | 2010-12-29 | 2011-12-27 | Compound, and organic light-emitting device using same |
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EP (1) | EP2660300B1 (ko) |
JP (2) | JP5844384B2 (ko) |
KR (1) | KR101350581B1 (ko) |
CN (1) | CN104220555B (ko) |
WO (1) | WO2012091428A2 (ko) |
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KR20120076314A (ko) | 2012-07-09 |
KR101350581B1 (ko) | 2014-01-16 |
US20130256649A1 (en) | 2013-10-03 |
CN104220555A (zh) | 2014-12-17 |
US8946695B2 (en) | 2015-02-03 |
JP2016026172A (ja) | 2016-02-12 |
EP2660300A4 (en) | 2014-09-03 |
JP2014509306A (ja) | 2014-04-17 |
WO2012091428A3 (ko) | 2012-10-18 |
EP2660300B1 (en) | 2019-02-13 |
EP2660300A2 (en) | 2013-11-06 |
JP5844384B2 (ja) | 2016-01-13 |
CN104220555B (zh) | 2017-03-08 |
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