WO2014007565A1 - 유기광전자소자용 화합물, 이를 포함하는 유기발광소자 및 상기 유기발광소자를 포함하는 표시장치 - Google Patents
유기광전자소자용 화합물, 이를 포함하는 유기발광소자 및 상기 유기발광소자를 포함하는 표시장치 Download PDFInfo
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- WO2014007565A1 WO2014007565A1 PCT/KR2013/005954 KR2013005954W WO2014007565A1 WO 2014007565 A1 WO2014007565 A1 WO 2014007565A1 KR 2013005954 W KR2013005954 W KR 2013005954W WO 2014007565 A1 WO2014007565 A1 WO 2014007565A1
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- 239000011734 sodium Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 125000001935 tetracenyl group Chemical group C1(=CC=CC2=CC3=CC4=CC=CC=C4C=C3C=C12)* 0.000 description 1
- 125000001113 thiadiazolyl group Chemical group 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- TVIVIEFSHFOWTE-UHFFFAOYSA-K tri(quinolin-8-yloxy)alumane Chemical compound [Al+3].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 TVIVIEFSHFOWTE-UHFFFAOYSA-K 0.000 description 1
- 125000004306 triazinyl group Chemical group 0.000 description 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
- DANYXEHCMQHDNX-UHFFFAOYSA-K trichloroiridium Chemical compound Cl[Ir](Cl)Cl DANYXEHCMQHDNX-UHFFFAOYSA-K 0.000 description 1
- 125000003960 triphenylenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C3=CC=CC=C3C12)* 0.000 description 1
- 229910052722 tritium Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
Classifications
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- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
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- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
- C07F15/0006—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table compounds of the platinum group
- C07F15/0033—Iridium compounds
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
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- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
- H10K50/12—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
- H10K50/121—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants for assisting energy transfer, e.g. sensitization
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- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/32—Stacked devices having two or more layers, each emitting at different wavelengths
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- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/30—Coordination compounds
- H10K85/321—Metal complexes comprising a group IIIA element, e.g. Tris (8-hydroxyquinoline) gallium [Gaq3]
- H10K85/324—Metal complexes comprising a group IIIA element, e.g. Tris (8-hydroxyquinoline) gallium [Gaq3] comprising aluminium, e.g. Alq3
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- H10K85/30—Coordination compounds
- H10K85/341—Transition metal complexes, e.g. Ru(II)polypyridine complexes
- H10K85/342—Transition metal complexes, e.g. Ru(II)polypyridine complexes comprising iridium
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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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- H10K85/633—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising polycyclic condensed aromatic hydrocarbons as substituents on the nitrogen atom
Definitions
- Display device including organic light emitting device
- It relates to a display device including an organic light emitting device.
- An organic optoelectric device refers to a device requiring charge exchange between an electrode and an organic material using holes or electrons.
- Organic optoelectronic devices can be divided into two types according to the principle of operation.
- exciton is formed in the organic layer by photons introduced from the external light source, and the exciton is separated into electrons and holes, and these electrons and holes are transferred to different electrodes, respectively, to the current source (voltage source).
- current source voltage source
- the second is an electronic device in which holes or electrons are injected into an organic semiconductor forming an interface with the electrodes by applying voltage or current to two or more electrodes, and operated by the injected electrons and holes.
- Examples of an organic optoelectronic device include an organic photoelectric device, an organic light emitting device, an organic solar cell, an organic photo conductor drum, an organic transistor, and the like. Injection or transport materials, or light emitting materials.
- organic light emitting diodes are attracting attention as demand for flat panel displays increases.
- organic light emitting phenomenon is to convert electrical energy into light energy using organic material
- Such an organic light emitting device converts electrical energy into light by applying an electric current to the organic light emitting material, and has a structure in which a functional organic material layer is inserted between an anode and a cathode.
- the organic material layer has a multilayer structure composed of different materials in order to increase efficiency and stability of the organic light emitting device.
- it may be made of a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, an electron injection layer.
- the material used as the organic material layer in the organic light emitting device may be classified into light emitting materials and charge transport materials such as hole injection materials, hole transport materials, electron transport materials, and electron injection materials depending on their functions.
- the light emitting materials may be classified into blue, green, and red light emitting materials and yellow and orange light emitting materials required to realize better natural colors according to light emission colors.
- the maximum light emission wavelength is shifted to the long wavelength due to the intermolecular interaction, and the color purity decreases or the efficiency of the device decreases due to the light emission attenuation effect.
- the maximum light emission wavelength is shifted to the long wavelength due to the intermolecular interaction, and the color purity decreases or the efficiency of the device decreases due to the light emission attenuation effect.
- Host / dopant systems can be used.
- a material forming 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, a host and / or a dopant in the light emitting material
- the backing should be preceded by a stable and efficient material, and the development of a stable and efficient organic material layer for an organic light emitting device has not been made yet, and therefore, the development of new materials is continuously required.
- the necessity of such a material development is the same in the other organic optoelectronic devices described above.
- the low molecular weight organic light emitting device is a device in the form of a thin film by vacuum deposition method Since it is manufactured, the efficiency and lifespan performance are good, and the polymer organic light emitting device has an advantage of low initial investment cost and large area using an inkjet or spin coating method.
- Both low molecular weight organic light emitting diodes and high molecular weight organic light emitting diodes are attracting attention as next-generation displays because they have advantages such as self-luminous, high-speed response, wide viewing angle, ultra-thin, high definition, durability, and wide driving temperature range.
- advantages such as self-luminous, high-speed response, wide viewing angle, ultra-thin, high definition, durability, and wide driving temperature range.
- LCD liquid crystal display
- the response speed is 1000 times faster than the LCD in microseconds, it is possible to implement a perfect video without afterimages. Therefore, it is expected to be spotlighted as the most suitable display in line with the recent multimedia era. Based on these advantages, it has made rapid technological advancements of 80 times efficiency and 100 times life span since the first development in the late 1980s. Increasingly, large-scaled developments are being made with the introduction of organic light emitting diode panels.
- An organic light emitting device comprising the compound for an organic optoelectronic device and the
- a display device including an organic light emitting device is provided.
- R 1 to R 16 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C6 to C20 aryl group, or -SiR 17 R 18 R 19 , wherein R 17 to R 19 are each independently a substituted or unsubstituted C1 to C6 alkyl group.
- R 1 to R 8 is a functional group represented by Formula 2, and any one of R 1 to R 8 is —SiR 17 R 18 R 19 .
- any one of R 9 to R 16 is a functional group represented by the following formula (2), and R 9 to R 16 , the other is-SiR 17 R 18 R 19 . .
- L is a bidentate ligand of a monovalent anion, which is a ligand that coordinates to this rhythm via a non-covalent electron pair of carbon or heteroatom, n and m are independently of each other any one of integers from 0 to 3, n + m is either an integer increase of 1 to 3.
- R 20 to R 24 are each independently hydrogen, hydrogen, substituted or unsubstituted C1 to C10 alkyl group, or substituted or unsubstituted C6 to C20 aryl group, and * is a part connected to a carbon atom Means.
- R 20 to R 24 includes an anode, a cathode and at least one organic thin film layer interposed between the anode and the cathode, wherein at least one layer of the organic thin film layer comprises the organic optoelectronic device compound Element
- the organic thin film layer may be a light emitting layer.
- the compound for an organic optoelectronic device may be used as a dopant in a light emitting layer.
- a display device including the organic light emitting diode is provided.
- the organic optoelectronic device including the compound for an organic optoelectronic device has excellent electrochemical and thermal stability, excellent life characteristics, and high luminous efficiency even at a low driving voltage.
- the compound for an organic optoelectronic device may be suitable for a solution process.
- FIG. 1 and 2 are cross-sectional views illustrating various embodiments of an organic light emitting device that may be manufactured using a compound for an organic optoelectronic device according to one embodiment. [Best form for implementation of the invention]
- optionally substituted means separate there is no defined "one, in the substituent or compound, at least one hydrogen is deuterium, halogen group, a hydroxyl group, an amino group, a substituted or unsubstituted C1 to C30 amine group, a nitro group, a substituted or Unsubstituted C3 to C40 silyl groups, C1 to C30 alkyl groups, C1 to C10 alkylsilyl groups, C3 to C30 cycloalkyl groups, C6 to C30 aryl groups, C1 to C20 alkoxy groups, fluoro groups, and trifluoromethyl groups Substituted C1 to C10 trifluoroalkyl group or cyano group and also substituted halogen, hydroxy group, amino group, substituted or unsubstituted C1 to C20 amine group, nitro group, substituted or unsubstituted C3 to C40 Silyl group, C1 to C30 alkyl group, C
- hetero means containing 1 to 3 heteroatoms selected from the group consisting of N, 0, S, and P in one functional group, and the remainder is carbon.
- an "alkyl group” is aliphatic
- the alkyl group may be a "saturated alkyl group" that does not contain any double bonds or triple bonds.
- the alkyl group may be an alkyl group that is C1 to C20. More specifically, the alkyl group may be a C1 to C10 alkyl group or a C1 to C6 alkyl group.
- a C1 to C4 alkyl group means one to four carbon atoms in the alkyl chain, and methyl, ethyl, propyl, iso-propyl, ⁇ -butyl, iso-butyl, sec-butyl and t-butyl Selected from the group consisting of:
- Specific examples of the alkyl group include methyl group, ethyl group, propyl group, isopropyl group, butyl group, isobutyl group, t-butyl group, penyl group, nucleosil group, cyclopropyl group, cyclobutyl group, cyclopentyl group and cyclonucleus. It means a practical skill.
- Aryl group means a substituent in which all elements of a cyclic substituent have a p-orbital, and these P-orbitals form a conjugate, and are monocyclic or fused ring polycyclic (Ie, rings that share adjacent pairs of carbon atoms).
- Heteroaryl group means containing 1 to 3 heteroatoms selected from the group consisting of N, 0, S and P in the aryl group, and the rest are carbon. When the heteroaryl group is a fused ring, each ring may include 1 to 3 heteroatoms.
- substituted or unsubstituted aryl group and / or substituted or unsubstituted heteroaryl group may be substituted or unsubstituted phenyl group, substituted or unsubstituted naphthyl group, substituted or unsubstituted anthracenyl group, substituted or unsubstituted.
- Furanyl group substituted or unsubstituted thiophenyl group, substituted or unsubstituted pyrylyl group, substituted or unsubstituted pyrazolyl group, substituted or unsubstituted imidazolyl group, substituted or
- Thiadiazolyl group substituted or unsubstituted pyridyl group, substituted or unsubstituted pyrimidinyl group, substituted or unsubstituted pyrazinyl group, substituted or unsubstituted triazinyl group, substituted or unsubstituted benzofuranyl group, substituted Or unsubstituted benzothiophenyl group, substituted or unsubstituted benzimidazolyl group, substituted or unsubstituted indolyl group, substituted or unsubstituted quinolinyl group, substituted or unsubstituted isoquinolinal group, substituted or unsubstituted A quinazolinyl group, a substituted or unsubstituted quinoxalinyl group, a substituted or unsubstituted naphthyridinyl group, a substituted or unsubstituted benzoxazinyl group, a
- the hole characteristic means a property that has a conduction characteristic along the HOMO level and facilitates the injection of holes formed at the anode into the light emitting layer and movement in the light emitting layer. More specifically, it may be similar to the property of repelling electrons.
- the electronic characteristic means the characteristic which has an electroconductive characteristic along LUMO level, and makes the injection
- R 1 to R 16 each independently represent hydrogen, deuterium, substituted or unsubstituted C1 to C10 alkyl group, "substituted or unsubstituted C6 to C20 aryl group, or unsubstituted R 17 to R 19 are each independently a substituted or unsubstituted C1 to C6 alkyl group.
- R 1 to R 8 is a functional group represented by the following Chemical Formula 2, and any one of R 1 to R 8 is —SiR 17 R 18 R 19 .
- any one of R 9 to R 16 is a functional group represented by the following formula (2), and R 9 to R 16 , the other is-SiR 17 R 18 R 19 .
- L is a bidentate ligand of a monovalent anion, is a ligand coordinating to this lithium via a non-covalent electron pair of carbon or heteroatom, n and m are independently integers of 0 to 3, n + m is any one of 1 to 3.
- Formula 2 is in the form of a substituted or unsubstituted phenyl group, in Formula 2 R : to R 24 are each independently hydrogen, hydrogen, substituted or unsubstituted C1 to C10 alkyl group, or substituted or unsubstituted C6 to C20 Is an aryl group, and * is a carbon atom It means the part to be connected.
- Compound for an organic optoelectronic device represented by Formula 1 is 2-phenylpyridine
- the main ligand of the skeleton must have a substituted or unsubstituted phenyl group represented by the formula (2), and must also have -SiR 17 R 18 R 19 .
- the main ligand refers to a ligand represented by the number n or m of ligands coordinated to the rhythm.
- the compound for an organic optoelectronic device represented by Chemical Formula 1 may have excellent heat resistance stability and lifespan characteristics and high luminous efficiency even at a low driving voltage.
- the efficiency at high current density is triplet.
- the dopant which is a light emitter manufactured in one embodiment, also has reduced intermolecular interactions due to the introduction of -SiR 17 R 18 R 19 and a phenyl group having high steric hindrance. The efficiency is thought to be very good.
- the deposition silver may also have an effect of reducing.
- One main ligand in Formula 1 has one -SiR 17 R 18 R 19 .
- n is any one integer of 1 to 3
- R 1 to R 4 is either a -SiR l7 R 18 R 19
- R 1 to R 4 are each of the remaining
- any one of R 5 to R 8 is a functional group represented by Formula 2, and the rest of R 5 to R 8 may be each independently hydrogen, deuterium, or a substituted or unsubstituted C1 to C10 alkyl group.
- the compound for an organic optoelectronic device may realize excellent heat stability, lifetime characteristics, and luminous efficiency. Bulky substituents
- n is any one integer increasing 1 to 3
- R 2 is a -SiR l7 R ls R 19
- R 6 is a phenyl group
- the compound for an organic optoelectronic device is excellent in heat resistance stability, life characteristics and luminous efficiency.
- the light emitting device can be realized with high efficiency and long life.
- n is any one of integers of 1 to 3
- any one of R 1 to R 4 is a functional group represented by Formula 2
- any of R 1 to R 4 is -SiR. 17 R 18 R 19
- the remainder of R 1 to R 4 and R 5 to R 8 may each independently be hydrogen, deuterium, or a substituted or unsubstituted C1 to C10 alkyl group.
- the functional group represented by -SiR 17 ⁇ ⁇ 19 and the formula (2) may be bonded in the ortho, meta or para position.
- n in Formula 1 is any one of an integer of 1 to 3,
- R 2 is a phenyl group
- R 3 is —SiR 17 R 18 R 19
- R 1 , R 4 to R 8 may each independently be hydrogen, hydrogen, or a substituted or unsubstituted C1 to C10 alkyl group.
- the compound for an organic optoelectronic device is excellent in heat resistance stability, life characteristics and luminous efficiency.
- n is any one of 1 to 3
- any one of R 1 to R 4 is -SiR 17 R 18 R 19
- the rest of R 1 to R 4 are each independently. Hydrogen, deuterium, or a substituted or unsubstituted C1 to C10 alkyl group.
- any one of R 5 to R 8 is represented by the formula (2)
- R 5 to R 8 increase remainder may be each independently hydrogen, dihydrogen, or a substituted or unsubstituted C1 to CH) alkyl group.
- m is any one of an integer of 1 to 3
- any one of R 9 to R 12 is a functional group represented by the formula (2)
- any other of R 9 to R 12 is -SiR 17 R 18 R 19
- R 9 to R 12 increase and R 13 to R 16 may be each independently hydrogen, deuterium, or a substituted or unsubstituted C1 to C10 alkyl group.
- n is any one of an integer of 1 to 3
- at least one of R 1 to R 8 may be a substituted or unsubstituted C1 to C20 alkyl group, specifically an unsubstituted C1 to C10 alkyl group, for example a methyl group Can be. In this case, there is an effect excellent in thermal stability.
- R 17 to R 19 may each be a methyl group. That is, above-
- SiR 17 R 18 R 19 may be trimethylsilyl group.
- the compound for an organic optoelectronic device may implement excellent heat stability, lifetime characteristics and luminous efficiency.
- n + m may be 3.
- n or m in Formula 1 may be 3. This means that the ligand represented by L in the formula (1) is not included. In this case, the synthesis is easy and the compound may be stable. Therefore, by applying this it can be produced a light emitting device excellent in life characteristics.
- n + m may be 1 or 2. This means that at least one ligand represented by L in Formula 1 is included. In this case, the color of the compound can be adjusted.
- L is an auxiliary ligand, and the following Formula L-1 to Formula L-
- L 14 may be selected. However, this is only an example of a ligand represented by L, and the present invention is not limited thereto.
- an asterisk (*) denotes a position which combines with rhythm (Ir), and R 101 to R 103 independently of each other, hydrogen, hydrogen, halogen, or substituted C1 to C1-C14.
- An alkyl group of C30, an alkyl of C1 to C30 may be a substituted or unsubstituted aryl group of C6 to C30, or a halogen.
- 04 to R are each independently hydrogen, deuterium, halogen, substituted or unsubstituted C1 to C30 alkyl group, substituted or unsubstituted C1 to C30 alkoxy group, substituted or unsubstituted C3 to C30 cycloalkyl group, substituted or unsubstituted A substituted C2 to C30 alkenyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C1 to C30 heteroaryl group, a substituted or unsubstituted C1 to C30 amino group, a substituted or unsubstituted C6 to C30 Trialkylsilyl group having arylamino group, SF 5 , substituted or unsubstituted C1 to C30 alkyl group, Dialkylarylsilyl group having substituted or unsubstituted C1 to C30 alkyl group and C6 to C30 aryl group
- Rue to Rm may be independently of each other hydrogen, deuterium, C1 to C30 alkyl group, which is substituted or unsubstituted, C6 to C30 aryl group which is substituted or unsubstituted, alkyl of C1 to C30.
- Formula 1 may be any one of the following Formula M-1 to Formula M-40, Formula ⁇ _ ⁇ to Formula p-26, Formula Q-1 to Formula Q-46. This is an example of a structure in which one phenyl group and one trimethylsilyl group are substituted in the main ligand. However, this is only a specific example of the formula (1), the present invention is not limited thereto.
- an anode, a cathode and at least one organic thin film layer interposed between the anode and the cathode, at least any one of the organic thin film layer comprising the compound for the organic optoelectronic device Provided is an organic optoelectronic device.
- the compound for an organic optoelectronic device is used in an organic thin film layer
- the organic thin film layer may be a light emitting layer.
- the organic optoelectronic device may be an organic light emitting device, an organic photoelectric device, an organic solar cell, an organic transistor, an organic photosensitive drum, or an organic memory device.
- the organic optoelectronic device may be an organic light emitting device.
- 1 to 5 are cross-sectional views of an organic light emitting device including the compound for an organic optoelectronic device according to an embodiment of the present invention.
- the organic light emitting diodes 100 and 200 according to the exemplary embodiment of the present invention may include an anode 120, a cathode 1 10, and at least one organic layer interposed between the anode and the cathode. It has a structure including the thin film layer 105.
- the anode 120 includes an anode material, which is typically
- a material having a large work function is preferable to facilitate hole injection into the organic thin film layer.
- the positive electrode material may include nickel, platinum, barnacle, crack, copper, zinc, metal such as gold, or an alloy thereof, zinc oxide, indium oxide,
- Metal oxides such as indium tin oxide ( ⁇ ) and indium zinc oxide (IZO); and combinations of metals and oxides such as ZnO and A1 or Sn0 2 and Sb; and poly (3-methylthiophene)
- Conductive polymers such as poly (3,4- (ethylene-1,2-dioxy) thiophene) (polyehtylenedioxythiophene: PEDT), polypyrrole, and polyaniline, and the like, but are not limited thereto.
- a transparent electrode including indium tin oxide (ITO) may be used as the anode.
- the negative electrode 1 10 comprises a negative electrode material, which is usually
- the material has a small work function to facilitate electron injection into the organic thin film layer.
- the negative electrode material may include metals such as magnesium, calcium, sodium, potassium, titanium, indium, yttrium, lithium, gadolinium, aluminum, silver, tin, lead, cesium, barium, or alloys thereof, and LiF / Multi-layered materials such as Al, Li0 2 / Al, LiF / Ca, LiF / Al, and BaF 2 / Ca, and the like, but are not limited thereto.
- a metal electrode such as aluminum can be used as the cathode.
- FIG. 1 illustrates an organic light emitting device 100 in which only a light emitting layer 130 exists as an organic thin film layer 105, and the organic thin film layer 105 is
- the light emitting layer 130 may be present only.
- FIG. 2 illustrates a two-layered organic light emitting diode 200 including an emission layer 230 including an electron transport layer and a hole transport layer 140 as an organic thin film layer 105, as shown in FIG. 2.
- the organic thin film layer 105 may be a two-layer type including the light emitting layer 230 and the hole transport layer 140.
- the light emitting layer 130 functions as an electron transporting layer
- the hole transporting layer 140 has a bonding property with a transparent electrode such as?
- an electron transport layer As the organic thin film layer 105 in FIG. 1 or FIG. 2, an electron transport layer, an electron injection layer, and a hole injection layer. It may be an organic light emitting device further including.
- the light emitting layers 130 and 230 constituting the organic thin film layer 105, the hole transport layer 140, or an electron transport layer, an electron injection layer, a hole injection layer, and combinations thereof, which may not be included, may be included. Any one selected from the group includes the compound for organic optoelectronic devices.
- the compound for an organic optoelectronic device may be used in the light emitting layers 130 and 230, and may be used as a green phosphorescent dopant material in the light emitting layer.
- the organic light emitting device described above after forming an anode on a substrate,
- the organic thin film layer may be formed by a wet film method such as spin coating, dipping, flow coating, or the like, followed by forming a cathode thereon.
- a display device including the organic optoelectronic device is provided.
- Compound P-12 was synthesized in the same manner as in the preparation of Compound M-1, using 16.2 g (37.67 mmol) of K-1-3 and 34.3 g (1 13.02 mmol) of Compound 1 of Preparation Example 1, in a 250 mL back bottom flask. 4.8 g (30%) was obtained.
- ITO Indium tin oxide
- ITO Indium tin oxide
- distilled water ultrasonic.
- HTM N- (biphenyl-4-yl) -9,9-diphenyl-N- (4- (9-phenyl) represented by the following formula Z-1 on the ⁇ substrate using the prepared ⁇ ⁇ transparent electrode as the anode -9H-carbazole) -3-yl) phenyl) 9H-fluorene- 2 -amine
- HTM N- (biphenyl-4-yl) -9,9-diphenyl-N- (4- (9-phenyl) represented by the following formula Z-1 on the ⁇ substrate using the prepared ⁇ ⁇ transparent electrode as the anode -9H-carbazole) -3-yl) phenyl) 9H-fluorene- 2 -amine
- An organic light emitting diode was manufactured according to the same method as described above.
- An organic light emitting diode was manufactured according to the same method as Example 1 except for using the dopant according to Preparation Example 2 instead of the dopant according to Preparation Example 1.
- An organic light emitting diode was manufactured according to the same method as Example 1 except for using the dopant according to Preparation Example 3.
- An organic light emitting diode was manufactured according to the same method as Example 1 except for using the dopant according to Preparation Example 4.
- An organic light emitting diode * was manufactured in the same manner as in Example 1, except for using the dopant according to Preparation Example 5.
- An organic light emitting diode was manufactured according to the same method as Example 1 except for the dot using the dopant according to Preparation Example 6.
- An organic light emitting diode was manufactured according to the same method as Example 1 except for using the dopant according to Preparation Example 7.
- An organic light emitting diode was manufactured according to the same method as Example 1 except for using a dopant according to Preparation Example 8. (Performance Measurement of Organic Light Emitting Diode)
- the current density change and luminance change according to voltage were measured, and the luminous efficiency was evaluated and life characteristics were evaluated.
- Specific measurement methods are as follows, and the results are shown in Table 1 below.
- the current value flowing through the unit device was measured using a current-voltmeter (Keithley2400) while increasing the voltage from 0V to 10V, and the measured current value was divided by the area to obtain a result.
- the luminance was measured by using a luminance meter (Minolta Cs-IOOOA) while increasing the voltage from 0V to 10V to obtain a result.
- a luminance meter Minolta Cs-IOOOA
- the current efficiency (cd / A) of the same brightness (9000 cd / m 2 ) was calculated using the brightness, current density, and voltage measured from (1) and (2).
- the lifetime is a measure of the time until the 3% luminous efficiency decreases at a luminance of 6000 cd / m 2.
- the present invention may not be limited to the above embodiments, but may be manufactured in various other forms, and a person of ordinary skill in the art to which the present invention pertains may change the technical spirit or essential features of the present invention without changing other specific features. It will be appreciated that it may be implemented in a form. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive.
- organic light emitting element 110 cathode
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Abstract
Description
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CN201380033478.8A CN104428391B (zh) | 2012-07-04 | 2013-07-04 | 用于有机光电装置的化合物、包括它的有机光电装置和包括有机光电装置的显示设备 |
EP13812616.4A EP2871222B1 (en) | 2012-07-04 | 2013-07-04 | Compound for organic optoelectric device, organic optoelectric device comprising same, and display apparatus comprising organic optoelectric device |
JP2015520065A JP6189431B2 (ja) | 2012-07-04 | 2013-07-04 | 有機光電子素子用化合物、これを含む有機発光素子および前記有機発光素子を含む表示装置 |
US14/390,570 US9882149B2 (en) | 2012-07-04 | 2013-07-04 | Compound for organic optoelectric device, organic optoelectronic device comprsing same, and display apparatus comprising organic optoelectric device |
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Also Published As
Publication number | Publication date |
---|---|
KR101344787B1 (ko) | 2013-12-26 |
US20150090974A1 (en) | 2015-04-02 |
EP2871222A1 (en) | 2015-05-13 |
CN104428391B (zh) | 2017-06-09 |
JP6189431B2 (ja) | 2017-08-30 |
JP2015530356A (ja) | 2015-10-15 |
EP2871222B1 (en) | 2017-04-26 |
US9882149B2 (en) | 2018-01-30 |
EP2871222A4 (en) | 2016-04-06 |
CN104428391A (zh) | 2015-03-18 |
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