WO2014142472A1 - 유기전기 소자용 화합물, 이를 이용한 유기전기소자 및 그 전자 장치 - Google Patents
유기전기 소자용 화합물, 이를 이용한 유기전기소자 및 그 전자 장치 Download PDFInfo
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- WO2014142472A1 WO2014142472A1 PCT/KR2014/001864 KR2014001864W WO2014142472A1 WO 2014142472 A1 WO2014142472 A1 WO 2014142472A1 KR 2014001864 W KR2014001864 W KR 2014001864W WO 2014142472 A1 WO2014142472 A1 WO 2014142472A1
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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- H10K85/649—Aromatic compounds comprising a hetero atom
- H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
- H10K85/6572—Polycyclic condensed heteroaromatic hydrocarbons comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole
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- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
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- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
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- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/04—Ortho-condensed systems
- C07D491/044—Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring
- C07D491/048—Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring the oxygen-containing ring being five-membered
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- H10K50/12—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
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- H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
- H10K85/626—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene containing more than one polycyclic condensed aromatic rings, e.g. bis-anthracene
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Definitions
- the present invention relates to a compound for an organic electric device, an organic electric device using the same, and an electronic device thereof.
- organic light emitting phenomenon refers to a phenomenon of converting electrical energy into light energy using an organic material.
- An organic electric element using an organic light emitting phenomenon usually has a structure including an anode, a cathode, and an organic material layer therebetween.
- the organic layer is often made of a multi-layer structure composed of different materials in order to increase the efficiency and stability of the organic electric device, for example, it may be made of a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer and an electron injection layer.
- the material used as the organic material layer in the organic electric element may be classified into a light emitting material and a charge transport material such as a hole injection material, a hole transport material, an electron transport material, an electron injection material and the like according to a function.
- the deposition method is the mainstream in the formation of the OLED device, a situation that requires a material that can withstand a long time, that is, a material having a strong heat resistance characteristics.
- a material constituting the organic material layer in the device such as a hole injection material, a hole transport material, a light emitting material, an electron transport material, an electron injection material, etc., is supported by a stable and efficient material.
- a stable and efficient organic material layer for an organic electric element has not yet been made sufficiently, and therefore, the development of new materials is continuously required.
- An object of the present invention is to provide a compound capable of improving high luminous efficiency, low driving voltage, high heat resistance, color purity, and lifetime of an element, an organic electric element using the same, and an electronic device thereof.
- the present invention provides a compound represented by the following formula.
- the present invention provides an organic electronic device using the compound represented by the above formula and an electronic device thereof.
- FIG. 1 is an exemplary view of an organic electroluminescent device according to the present invention.
- halo or halogen as used herein include fluorine, chlorine, bromine, and iodine unless otherwise stated.
- alkyl or “alkyl group” has a carbon number of 1 to 60 unless otherwise specified, but is not limited thereto.
- alkenyl or “alkynyl” has a double bond or a triple bond having 2 to 60 carbon atoms, respectively, unless otherwise specified, but is not limited thereto.
- cycloalkyl refers to alkyl forming a ring having 3 to 60 carbon atoms, without being limited thereto.
- alkoxy group used in the present invention has a carbon number of 1 to 60 unless otherwise stated, it is not limited thereto.
- aryl group and “arylene group” have a carbon number of 6 to 60 unless otherwise stated, but is not limited thereto.
- an aryl group or an arylene group means an aromatic of a single ring or multiple rings, and includes an aromatic ring formed by neighboring substituents participating in a bond or a reaction.
- the aryl group may be a phenyl group, a biphenyl group, a fluorene group, a spirofluorene group, a spirobifluorene group.
- heteroalkyl means an alkyl including one or more heteroatoms unless otherwise indicated.
- heteroaryl group or “heteroarylene group” means an aryl group or arylene group having 2 to 60 carbon atoms, each of which includes one or more heteroatoms, unless otherwise specified. And not only a single ring but also multiple rings, and adjacent groups may be formed by bonding.
- heterocycloalkyl includes one or more heteroatoms, unless otherwise indicated, having from 2 to 60 carbon atoms, including single rings as well as multiple rings Adjacent groups may be formed in combination.
- heterocyclic group may mean an alicyclic and / or aromatic including a heteroatom.
- heteroatom refers to N, O, S, P, and Si unless otherwise indicated.
- aliphatic as used herein means an aliphatic hydrocarbon having 1 to 60 carbon atoms
- aliphatic ring means an aliphatic hydrocarbon ring having 3 to 60 carbon atoms.
- saturated or unsaturated ring as used herein means a saturated or unsaturated aliphatic ring or an aromatic ring or heterocyclic ring having 6 to 60 carbon atoms.
- heterocompounds or heteroradicals other than the aforementioned heterocompounds include, but are not limited to, one or more heteroatoms.
- substituted in the term “substituted or unsubstituted” as used in the present invention is deuterium, halogen, amino group, nitrile group, nitro group, C 1 ⁇ C 20 alkyl group, C 1 ⁇ C 20 alkoxy groups, C 1 to C 20 alkylamine groups, C 1 to C 20 alkylthiophene groups, C 6 to C 20 arylthiophene groups, C 2 to C 20 alkenyl groups, C 2 to C 20 alkynyl group, C 3 ⁇ C 20 cycloalkyl group, C 6 ⁇ C 60 aryl group, C 6 ⁇ C 20 aryl group substituted with deuterium, C 8 ⁇ C 20 aryl alkenyl group, silane group, boron Group, germanium group, and C 2 ⁇ C 20 It is meant to be substituted with one or more substituents selected from the group consisting of, but not limited to these substituents.
- FIG. 1 is an exemplary view of an organic electric device according to an embodiment of the present invention.
- the organic electric device 100 includes a first electrode 120, a second electrode 180, a first electrode 110, and a second electrode 180 formed on a substrate 110.
- the first electrode 120 may be an anode (anode)
- the second electrode 180 may be a cathode (cathode)
- the first electrode may be a cathode and the second electrode may be an anode.
- the organic layer may include a hole injection layer 130, a hole transport layer 140, a light emitting layer 150, an electron transport layer 160, and an electron injection layer 170 on the first electrode 120 in sequence. At this time, the remaining layers except for the light emitting layer 150 may not be formed.
- the hole blocking layer, the electron blocking layer, the light emitting auxiliary layer 151, the buffer layer 141 may be further included, and the electron transport layer 160 may serve as the hole blocking layer.
- the organic electronic device according to the present invention may further include a protective layer formed on one surface of the first electrode and the second electrode opposite to the organic material layer.
- the compound according to the present invention applied to the organic material layer is a hole injection layer 130, a hole transport layer 140, an electron transport layer 160, the electron injection layer 170, the host of the light emitting layer 150 or the material of the dopant or capping layer Can be used as
- the organic electroluminescent device may be manufactured using a PVD method.
- the anode 120 is formed by depositing a metal or a conductive metal oxide or an alloy thereof on a substrate, and the hole injection layer 130, the hole transport layer 140, the light emitting layer 150, and the electron transport layer are formed thereon.
- the organic material layer including the 160 and the electron injection layer 170 it can be prepared by depositing a material that can be used as the cathode 180 thereon.
- the organic material layer using a variety of polymer materials is less by a solution process or solvent process, such as spin coating, dip coating, doctor blading, screen printing, inkjet printing or thermal transfer method, rather than deposition It can be prepared in a number of layers. Since the organic material layer according to the present invention may be formed in various ways, the scope of the present invention is not limited by the forming method.
- the organic electric element 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 organic electroluminescent device according to the present invention may be one of an organic electroluminescent device, an organic solar cell, an organic photoconductor, an organic transistor, a monochromatic or white illumination device.
- Another embodiment of the present invention may include a display device including the organic electric element of the present invention described above, and an electronic device including a control unit for controlling the display device.
- the electronic device may be a current or future wired or wireless communication terminal, and includes all electronic devices such as a mobile communication terminal such as a mobile phone, a PDA, an electronic dictionary, a PMP, a remote controller, a navigation device, a game machine, various TVs, and various computers.
- the compound according to one aspect of the present invention is represented by the following formula (1).
- n, o are the integers of 1-4, respectively.
- R 1 to R 3 are each independently of the other hydrogen; heavy hydrogen; Tritium; C 6 ⁇ C 60 Aryl group; Containing at least one heteroatom of O, N, S, Si, and P C 2 ⁇ C 60 Heterocyclic group; C 1 ⁇ C 50 Alkyl group; Fluorenyl groups; And -L 1 -N (Ar 2 ) (Ar 3 ); It can be selected from the group consisting of.
- each of R 1 to R 3 may combine at least one adjacent group to form at least one ring.
- R 1 to R 3 which do not form a ring may be defined in the same manner as defined above.
- adjacent R 1 may be bonded to each other to form a ring
- R 2 may be an aryl group or a heterocyclic group independently from each other even if adjacent to each other.
- n or o is an integer of 2 or more.
- the ring formed by combining adjacent groups may be a C 3 ⁇ C 60 aliphatic ring, C 6 ⁇ C 60 aromatic ring, C 2 ⁇ C 60 hetero ring or a fused ring consisting of a combination thereof, and the like It may be a ring or a poly ring as well as a saturated or unsaturated ring.
- X is NR 4 or O (oxygen), wherein R 4 is an aryl group of C 6 to C 60 ; Containing at least one heteroatom of O, N, S, Si, and P C 2 ⁇ C 60 Heterocyclic group; C 1 ⁇ C 50 Alkyl group; Fluorenyl groups; And -L 1 -N (Ar 2 ) (Ar 3 ); It can be selected from the group consisting of.
- Ar 1 is a C 6 ⁇ C 60 An aryl group; Containing at least one heteroatom of O, N, S, Si, and P C 2 ⁇ C 60 Heterocyclic group; C 1 ⁇ C 50 Alkyl group; Fluorenyl groups; And -L 1 -N (Ar 2 ) (Ar 3 ); It can be selected from the group consisting of.
- Ar 2 and Ar 3 are independently of each other C 6 ⁇ C 60
- An aryl group; Containing at least one heteroatom of O, N, S, Si, and P C 2 ⁇ C 60 Heterocyclic group; C 1 ⁇ C 50 Alkyl group; And fluorenyl group; may be selected from the group consisting of.
- L 1 is a single bond; C 6 ⁇ C 60 arylene group; Containing at least one heteroatom of O, N, S, Si, and P C 2 ⁇ C 60 Heteroarylene group; And fluorenylene group; may be selected from the group consisting of, each of these (except a single bond) is a nitro group; Cyano group; Halogen group; C 1 ⁇ C 20 Alkyl group; C 6 -C 20 aryl group; C 2 ⁇ C 20 heterocyclic group; C 1 ⁇ C 20 Alkoxy group; And an amino group; may be substituted with one or more substituents selected from the group consisting of.
- Formula 1 may be represented by one of the following formula.
- R 1 to R 4 , X, m, n and o of Formulas 2 to 4 may be defined in the same manner as defined in Formula 1.
- Ar 4 is an aryl group of C 6 ⁇ C 60 ; Containing at least one heteroatom of O, N, S, Si, and P C 2 ⁇ C 60 Heterocyclic group; C 1 ⁇ C 50 Alkyl group; And fluorenyl group; may be selected from the group consisting of.
- Z 1 to Z 4 are each independently CR 5 or N, wherein R 5 is hydrogen; C 6 ⁇ C 60 Aryl group; Containing at least one heteroatom of O, N, S, Si, and P C 2 ⁇ C 60 Heterocyclic group; C 1 ⁇ C 50 Alkyl group; And fluorenyl group; may be selected from the group consisting of.
- the aryl group, fluorenyl group, heterocyclic group and alkyl group are each deuterium; halogen; Silane group; Boron group; Germanium group; Cyano group; Nitro group; C 1 ⁇ C 20 of the import alkylthio; C 1 -C 20 alkoxyl group; C 1 ⁇ C 20 Alkyl group; Alkenyl of C 2 to C 20 ; C 2 ⁇ C 20 Alkynyl (alkynyl); C 6 -C 20 aryl group; C 6 ⁇ C 20 aryl group substituted with deuterium; C 2 ⁇ C 20 heterocyclic group; C 3 -C 20 cycloalkyl group; Of C 7 ⁇ C 20 Arylalkyl group; And C 8 ⁇ C 20 It may be substituted with one or more substituents selected from the group consisting of; arylalkenyl group.
- the carbon number may be 6 to 60, preferably 6 to 30 carbon atoms, more preferably an aryl group having 6 to 20 carbon atoms,
- heterocyclic group has 2 to 60 carbon atoms, preferably 2 to 30 carbon atoms, more preferably a hetero ring having 2 to 20 carbon atoms,
- the carbon number may be 6 to 60, preferably 6 to 30 carbon atoms, more preferably an arylene group having 6 to 20 carbon atoms,
- the carbon number is 1 to 50, preferably 1 to 30 carbon atoms, more preferably 1 to 20 carbon atoms, and particularly preferably an alkyl group having 1 to 10 carbon atoms.
- Formula 1 may be one of the following compounds.
- the compounds according to the present invention may be prepared by reacting Sub 1 and Sub 2 as in Scheme 1 below.
- Scheme 1 may be synthesized by the reaction route of Scheme 2 and Scheme 3.
- Sub 1-2 (1 equiv), bromine compound (1 equiv), Pd (PPh 3 ) 4 (0.03 equiv) and NaOH (3 equiv) were dissolved in anhydrous THF and a small amount of water and then refluxed for 24 hours. After the reaction was completed, the temperature of the reactant was cooled to room temperature, extracted with CH 2 Cl 2 , and washed with water. A small amount of water was removed with anhydrous MgSO 4 , filtered under reduced pressure, and the organic solvent was concentrated. The resulting product was separated by column chromatography to obtain desired Sub 1-3.
- Sub 1-3 and triphenylphosphine were dissolved in o-dichlorobenzene and refluxed for 24 hours. After the reaction was completed, the solvent was removed by distillation under reduced pressure, and the concentrated product was separated by column chromatography to obtain the desired Sub 1-4.
- Sub 1-7 and triphenylphosphine were dissolved in o-dichlorobenzene and refluxed for 24 hours. After completion of the reaction, the solvent was removed using distillation under reduced pressure, and the concentrated product was separated using column chromatography to obtain the desired Sub 1 (A).
- Sub 1-8 (1 equiv) was dissolved in DMF in a round bottom flask, followed by Bis (pinacolato) diboron (1.1 equiv), Pd (dppf) Cl 2 (0.03 equiv), KOAc (3 equiv) was added and stirred at 90 ° C. After the reaction was completed, DMF was removed by distillation and extracted with CH 2 Cl 2 and water. The organic layer was dried over MgSO 4 , concentrated, and the resulting compound was subjected to silicagel column and recrystallization to obtain Sub 1-9.
- Sub 1-9 (1 equiv), bromine compound (1 equiv), Pd (PPh 3 ) 4 (0.03 equiv) and K 2 CO 3 (3 equiv) were dissolved in anhydrous THF and a small amount of water for 24 hours. It was refluxed. After the reaction was completed, the temperature of the reactant was cooled to room temperature, extracted with CH 2 Cl 2 , and washed with water. After removal of a small amount of water over anhydrous MgSO 4 and filtered under reduced pressure, to separate the resultant product by concentration of the organic solvent by column chromatography to obtain the desired Sub 1-10
- Sub 1-10 and triphenylphosphine were dissolved in o-dichlorobenzene and refluxed for 24 hours. After completion of the reaction, the solvent was removed by distillation under reduced pressure, and the concentrated product was separated by column chromatography to obtain the desired Sub 1 (B).
- An organic electroluminescent device was manufactured according to a conventional method using a compound obtained through synthesis as a light emitting host material of the light emitting layer.
- N 1- (naphthalen-2-yl) -N 4 , N 4 -bis (4- (naphthalen-2-yl (phenyl) amino) phenyl) -N 1- Phenylbenzene-1,4-diamine (hereinafter abbreviated as "2-TNATA”) was vacuum deposited to form a hole injection layer having a thickness of 60 nm.
- NPD 4,4-bis on the hole injection layer to the biphenyl
- Ir (ppy) 3 tris (2-phenylpyridine) -iridium
- BAlq (1,1bisphenyl) -4-oleito) bis (2-methyl-8-quinolineoleito) aluminum
- BAlq 3 tris (8-quinolinol) aluminum
- LiF which is a halogenated alkali metal
- Al was deposited to a thickness of 150 nm to form a cathode, thereby manufacturing an organic electroluminescent device.
- An organic electroluminescent device was manufactured according to the same method as Example 1 except for using the compound 1-2 to 1-40 of the present invention shown in Table 4 instead of the compound 1-1 of the present invention as a host material of the emission layer. It was.
- An organic electroluminescent device was manufactured in the same manner as in Example 1, except that Comparative Compound 1 was used instead of Compound 1-1 of the present invention as a host material of the emission layer.
- An organic electroluminescent device was manufactured in the same manner as in Example 1, except that Comparative Compound 2 was used instead of Compound 1-1 of the present invention as a host material of the emission layer.
- An organic electroluminescent device was manufactured in the same manner as in Example 1, except that Comparative Compound 3 was used instead of Compound 1-1 of the present invention as a host material of the emission layer.
- Electroluminescent (EL) characteristics were measured by PR-650 of photoresearch by applying a forward bias DC voltage to the organic electroluminescent devices prepared by Examples 1 to 40 and Comparative Examples 1 to 3. One result is shown in Table 4 below. At this time, the lifetime of the T90 was measured using a life-time measurement device manufactured by McScience Inc. at a luminance of 300 cd / m 2.
- the organic electroluminescent device using the organic electroluminescent device material of the present invention can be used as a green light emitting layer material can significantly improve the high luminous efficiency, low driving voltage and lifespan.
- Comparative Compound 2 Comparative Compound 3, which contains a five-ring fused heterocyclic ring, has a better effect than CBP, Biscarbazole type Comparative Compound 1, and one more benzene ring.
- Compounds of the present invention which are fused to six ring fused heterocycles, exhibited lower drive voltages, higher efficiency and longer lifetimes than comparable compounds, which further bonded the benzene rings to increase thermal stability and adjacent layers. This can be explained by the good energy balance with the proper energy level.
- An organic electroluminescent device was manufactured according to a conventional method using the compound of the present invention obtained through synthesis as a light emitting host material of the light emitting layer.
- 2-TNATA was vacuum deposited on an ITO layer (anode) formed on a glass substrate to form a hole injection layer having a thickness of 60 nm.
- NPD was vacuum deposited to a thickness of 20 nm on the hole injection layer to form a hole transport layer.
- compound 2-1 of the present invention is a host material on the hole transport layer, and bis- (1-phenylisoquinolyl) iridium (III) acetylacetonate (hereinafter, abbreviated as "(piq) 2 Ir (acac)”)
- (piq) 2 Ir (acac) bis- (1-phenylisoquinolyl) iridium (III) acetylacetonate
- LiF which is a halogenated alkali metal
- Al was deposited to a thickness of 150 nm to form a cathode, thereby manufacturing an organic electroluminescent device.
- red organic light emitting element (light emitting layer phosphorescent host)
- An organic electroluminescent device was manufactured in the same manner as in Example 41, except that Compound 2-2 to 2-48 of the present invention was used instead of Compound 2-1 of the present invention as a host material of the emission layer. .
- An organic electroluminescent device was manufactured in the same manner as in Example 41, except that Comparative Compound 1 was used instead of Compound 2-1 of the present invention as a host material of the emission layer.
- An organic electroluminescent device was manufactured in the same manner as in Example 41, except that Comparative Compound 2 was used instead of Compound 2-1 of the present invention as a host material of the emission layer.
- An organic electroluminescent device was manufactured in the same manner as in Example 41, except that Comparative Compound 3 was used instead of Compound 2-1 of the present invention as a host material of the emission layer.
- Electroluminescence (EL) characteristics were measured by PR-650 of photoresearch by applying a forward bias DC voltage to the organic electroluminescent devices prepared according to Examples 41 to 88 and Comparative Examples 4 to 6. One result is shown in Table 5 below. At this time, the lifetime of the T90 was measured using a life-time measurement device manufactured by McScience Inc. at a luminance of 300 cd / m 2.
- the organic electroluminescent device using the organic electroluminescent device material of the present invention can be used as a red light emitting layer material can significantly improve the high luminous efficiency, lifetime and color purity.
- Comparative Compound 2 and Comparative Compound 3 which contained pentagonal heterocycles and five ring fused heterocycles, showed better results than CBP, Biscarbazole type Comparative Compound 1, and one more benzene ring.
- Compounds of the present invention in which quinazolin derivatives are substituted with fused six ring fused heterocycles, have the best results as red hosts. This may be explained in the same manner as explained in the result of the green light emitting layer device.
- the compounds of the present invention are used in other organic material layers of the organic electroluminescent device, for example, a hole injection layer, a hole transport layer, an electron injection layer, an electron transport layer, it is obvious that the same effect can be obtained.
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- Electroluminescent Light Sources (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Thin Film Transistor (AREA)
- Photovoltaic Devices (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims (8)
- 하기 화학식 1로 표시되는 화합물.<화학식 1>[상기 화학식에서,m, n 및 o는 각각 1~4의 정수이고,R1 내지 R3는 서로 독립적으로, i) 수소; 중수소; 삼중수소; C6~C60의 아릴기; O, N, S, Si 및 P 중 적어도 하나의 헤테로원자를 포함하는 C2~C60의 헤테로고리기; C1~C50의 알킬기; 플루오렌일기; 및 -L1-N(Ar2)(Ar3);로 이루어진 군에서 선택되거나, 또는 ii) 이웃한 기끼리 서로 결합하여 적어도 하나의 고리를 형성할 수 있으며(단, 고리를 형성하지 않는 R1 내지 R3는 각각 상기 i)에서 정의된 것과 동일함)X는 NR4 또는 O(산소)이고, 여기서 R4는 C6~C60의 아릴기; O, N, S, Si 및 P 중 적어도 하나의 헤테로원자를 포함하는 C2~C60의 헤테로고리기; C1~C50의 알킬기; 플루오렌일기; 및 -L1-N(Ar2)(Ar3);로 이루어진 군에서 선택되며,Ar1은 C6~C60의 아릴기; O, N, S, Si 및 P 중 적어도 하나의 헤테로원자를 포함하는 C2~C60의 헤테로고리기; C1~C50의 알킬기; 플루오렌일기; 및 -L1-N(Ar2)(Ar3);로 이루어진 군에서 선택되며,Ar2 및 Ar3은 서로 독립적으로 C6~C60의 아릴기; O, N, S, Si 및 P 중 적어도 하나의 헤테로원자를 포함하는 C2~C60의 헤테로고리기; C1~C50의 알킬기; 및 플루오렌일기;로 이루어진 군에서 선택되며,상기 L1은 단일결합; C6~C60의 아릴렌기; O, N, S, Si 및 P 중 적어도 하나의 헤테로원자를 포함하는 C2~C60의 헤테로아릴렌기; 및 플루오렌일렌기;로 이루어진 군에서 선택되고, 이들(단일결합 제외) 각각은 니트로기; 시아노기; 할로겐기; C1~C20의 알킬기; C6~C20의 아릴기; C2~C20의 헤테로고리기; C1~C20의 알콕시기; 및 아미노기;로 이루어진 군에서 선택되는 하나 이상의 치환기로 치환될 수 있고,상기 아릴기, 플루오렌일기, 헤테로고리기 및 알킬기 각각은 중수소; 할로겐; 실란기; 붕소기; 게르마늄기; 시아노기; 니트로기; C1~C20의 알킬싸이오기; C1~C20의 알콕실기; C1~C20의 알킬기; C2~C20의 알켄일기(alkenyl); C2~C20의 알카인일기(alkynyl); C6~C20의 아릴기; 중수소로 치환된 C6~C20의 아릴기; C2~C20의 헤테로고리기; C3~C20의 시클로알킬기; C7~C20의 아릴알킬기; 및 C8~C20의 아릴알켄일기;로 이루어진 군에서 선택된 하나 이상의 치환기로 치환될 수 있다.]
- 제 1항에 있어서,하기 화학식 중 하나로 표시되는 것을 특징으로 하는 화합물.[상기 화학식 2 내지 화학식 4의 R1~R4, X, m, n 및 o는 제 1항에서 정의된 것과 같고,Ar4는 C6~C60의 아릴기; O, N, S, Si 및 P 중 적어도 하나의 헤테로원자를 포함하는 C2~C60의 헤테로고리기; C1~C50의 알킬기 및 플루오렌일기;로 이루어진 군에서 선택되며,Z1~Z4는 각각 독립적으로 CR5 또는 N이고, 여기서 R5는 수소; C6~C60의 아릴기; O, N, S, Si 및 P 중 적어도 하나의 헤테로원자를 포함하는 C2~C60의 헤테로고리기; C1~C50의 알킬기; 및 플루오렌일기;로 이루어진 군에서 선택될 수 있다.]
- 제 1전극, 제 2전극, 및 상기 제 1전극과 제 2전극 사이에 위치하는 유기물층을 포함하는 유기전기소자에 있어서,상기 유기물층은 제 1항의 화합물을 함유하는 것을 특징으로 하는 유기전기소자.
- 제 4항에 있어서,상기 화합물을 용액공정(soluble process)에 의해 상기 유기물층으로 형성하는 것을 특징으로 하는 유기전기소자.
- 제 4항에 있어서,상기 유기물층은 발광층을 포함하며,상기 화합물은 상기 발광층의 호스트 물질로 사용되는 것을 특징으로 하는 유기전기소자.
- 제 4항의 유기전기소자를 포함하는 디스플레이장치; 및상기 디스플레이장치를 구동하는 제어부;를 포함하는 전자장치.
- 제 7항에 있어서,상기 유기전기소자는 유기전기발광소자, 유기태양전지, 유기감광체, 유기트랜지스터, 및 단색 또는 백색 조명용 소자 중 적어도 하나인 것을 특징으로 하는 전자장치.
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US14/775,803 US9799835B2 (en) | 2013-03-15 | 2014-03-07 | Compound for organic electric element, organic electric element comprising the same and electronic device thereof |
CN201480015670.9A CN105102460B (zh) | 2013-03-15 | 2014-03-07 | 有机电气元件用化合物、利用其的有机电气元件及其电子装置 |
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Also Published As
Publication number | Publication date |
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US20160020410A1 (en) | 2016-01-21 |
JP2017071640A (ja) | 2017-04-13 |
JP2016512495A (ja) | 2016-04-28 |
US9799835B2 (en) | 2017-10-24 |
JP6091664B2 (ja) | 2017-03-08 |
KR102081689B1 (ko) | 2020-02-26 |
JP2018083836A (ja) | 2018-05-31 |
JP6343334B2 (ja) | 2018-06-13 |
KR20140112924A (ko) | 2014-09-24 |
CN105102460B (zh) | 2017-08-25 |
CN105102460A (zh) | 2015-11-25 |
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