WO2023224370A1 - 화합물, 이를 포함하는 코팅 조성물, 이를 포함하는 유기 발광 소자 및 이의 제조 방법 - Google Patents
화합물, 이를 포함하는 코팅 조성물, 이를 포함하는 유기 발광 소자 및 이의 제조 방법 Download PDFInfo
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- WO2023224370A1 WO2023224370A1 PCT/KR2023/006645 KR2023006645W WO2023224370A1 WO 2023224370 A1 WO2023224370 A1 WO 2023224370A1 KR 2023006645 W KR2023006645 W KR 2023006645W WO 2023224370 A1 WO2023224370 A1 WO 2023224370A1
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- FVDOBFPYBSDRKH-UHFFFAOYSA-N perylene-3,4,9,10-tetracarboxylic acid Chemical compound C=12C3=CC=C(C(O)=O)C2=C(C(O)=O)C=CC=1C1=CC=C(C(O)=O)C2=C1C3=CC=C2C(=O)O FVDOBFPYBSDRKH-UHFFFAOYSA-N 0.000 description 1
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 description 1
- 150000005041 phenanthrolines Chemical class 0.000 description 1
- XYFCBTPGUUZFHI-UHFFFAOYSA-N phosphine group Chemical group P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 150000003057 platinum Chemical class 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 150000004032 porphyrins Chemical class 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- LVTJOONKWUXEFR-FZRMHRINSA-N protoneodioscin Natural products O(C[C@@H](CC[C@]1(O)[C@H](C)[C@@H]2[C@]3(C)[C@H]([C@H]4[C@@H]([C@]5(C)C(=CC4)C[C@@H](O[C@@H]4[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@@H](O)[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@H](CO)O4)CC5)CC3)C[C@@H]2O1)C)[C@H]1[C@H](O)[C@H](O)[C@H](O)[C@@H](CO)O1 LVTJOONKWUXEFR-FZRMHRINSA-N 0.000 description 1
- 125000005581 pyrene group Chemical group 0.000 description 1
- 125000001725 pyrenyl group Chemical group 0.000 description 1
- 125000002098 pyridazinyl group Chemical group 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 229940083082 pyrimidine derivative acting on arteriolar smooth muscle Drugs 0.000 description 1
- 150000003230 pyrimidines Chemical class 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 229910052705 radium Inorganic materials 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000010129 solution processing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 229940042055 systemic antimycotics triazole derivative Drugs 0.000 description 1
- 125000006836 terphenylene group Chemical group 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- IBBLKSWSCDAPIF-UHFFFAOYSA-N thiopyran Chemical compound S1C=CC=C=C1 IBBLKSWSCDAPIF-UHFFFAOYSA-N 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
- 238000010023 transfer printing Methods 0.000 description 1
- KWQNQSDKCINQQP-UHFFFAOYSA-K tri(quinolin-8-yloxy)gallane Chemical compound C1=CN=C2C(O[Ga](OC=3C4=NC=CC=C4C=CC=3)OC=3C4=NC=CC=C4C=CC=3)=CC=CC2=C1 KWQNQSDKCINQQP-UHFFFAOYSA-K 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- 125000003960 triphenylenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C3=CC=CC=C3C12)* 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- JQSHBVHOMNKWFT-DTORHVGOSA-N varenicline Chemical compound C12=CC3=NC=CN=C3C=C2[C@H]2C[C@@H]1CNC2 JQSHBVHOMNKWFT-DTORHVGOSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 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
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
- HTPBWAPZAJWXKY-UHFFFAOYSA-L zinc;quinolin-8-olate Chemical compound [Zn+2].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 HTPBWAPZAJWXKY-UHFFFAOYSA-L 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/50—Organo-phosphines
- C07F9/53—Organo-phosphine oxides; Organo-phosphine thioxides
- C07F9/5325—Aromatic phosphine oxides or thioxides (P-C aromatic linkage)
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/30—Phosphinic acids [R2P(=O)(OH)]; Thiophosphinic acids ; [R2P(=X1)(X2H) (X1, X2 are each independently O, S or Se)]
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/50—Organo-phosphines
- C07F9/53—Organo-phosphine oxides; Organo-phosphine thioxides
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/17—Carrier injection layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/16—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/40—Thermal treatment, e.g. annealing in the presence of a solvent vapour
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
- H10K85/624—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene containing six or more rings
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- H—ELECTRICITY
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/05—Isotopically modified compounds, e.g. labelled
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
- H10K50/16—Electron transporting layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/17—Carrier injection layers
- H10K50/171—Electron injection layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/16—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering
- H10K71/164—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering using vacuum deposition
Definitions
- This specification relates to a compound, a coating composition containing the same, an organic light-emitting device containing the same, and a method of manufacturing the same.
- the organic luminescence phenomenon is an example of an electric current being converted into visible light by an internal process of a specific organic molecule.
- the principle of organic luminescence phenomenon is as follows. When an organic layer is placed between an anode and a cathode and an electric current is applied between the two electrodes, electrons and holes are injected into the organic layer from the cathode and anode, respectively. Electrons and holes injected into the organic layer recombine to form excitons, and when these excitons fall back to the ground state, they emit light.
- Organic light-emitting devices using this principle can generally be composed of a cathode and anode, and organic material layers located between them, such as a hole injection layer, a hole transport layer, a light-emitting layer, an electron injection layer, and an electron transport layer.
- the present specification provides a compound, a coating composition containing the same, an organic light emitting device containing the same, and a method for manufacturing the same.
- An exemplary embodiment of the present specification provides a compound of Formula 1 below.
- X11 to X14 are the same as or different from each other, and are each independently hydrogen; heavy hydrogen; halogen group; Substituted or unsubstituted alkyl group; Substituted or unsubstituted cycloalkyl group; Substituted or unsubstituted aryl group; Or it is a substituted or unsubstituted heteroaryl group, or combines with an adjacent group to form a substituted or unsubstituted ring,
- a11 to a14 are each an integer of 0 to 4, and when a11 to a14 are each an integer of 2 or more, the substituents in parentheses are the same or different from each other,
- Y1 is 0, S or Se
- L1 is direct bonding; Substituted or unsubstituted alkylene group; Substituted or unsubstituted arylene group; Or a substituted or unsubstituted heteroarylene group,
- R1 and R2 are the same or different from each other and are each independently hydrogen; heavy hydrogen; halogen group; Substituted or unsubstituted alkyl group; Substituted or unsubstituted cycloalkyl group; Substituted or unsubstituted aryl group; Or a substituted or unsubstituted heteroaryl group,
- At least one of X1 to X4 and X11 to X14 contains deuterium.
- Another embodiment of the present specification provides a coating composition containing the above-described compound.
- Another embodiment of the present specification includes a first electrode; second electrode; and one or more organic material layers provided between the first electrode and the second electrode, wherein at least one layer of the organic material layers includes the above-described coating composition or a cured product thereof.
- Another embodiment of the present specification includes preparing a first electrode; Forming one or more organic layers on the first electrode; And forming a second electrode on the organic material layer, wherein the step of forming the organic material layer includes forming one or more organic material layers using the above-described coating composition. to provide.
- Another embodiment of the present specification includes preparing a first electrode; Forming one or more organic layers on the first electrode; And forming a second electrode on the organic material layer, wherein the step of forming the organic material layer includes forming one or more organic material layers by depositing the above-described compound.
- a method of manufacturing an organic light-emitting device. do is provided.
- the compound according to an exemplary embodiment of the present specification has excellent solubility, there is an advantage that various solvents can be selected when manufacturing the coating composition.
- the compound according to an embodiment of the present specification can be used as a material for the organic material layer of an organic light-emitting device, and when applied to an organic light-emitting device, a device having low driving voltage, excellent efficiency characteristics, and/or excellent lifespan characteristics can be obtained. .
- the compound according to an exemplary embodiment of the present specification can be subjected to a solution process, thereby enabling a larger area of the device.
- Figure 1 shows an example of an organic light-emitting device according to an exemplary embodiment of the present invention.
- At least one of X1 to X4 and X11 to X14 contains deuterium.
- At least one of X1 to X4, X11 and X13 to X15 contains deuterium
- a12 being 2 or more is equally applicable to a11 being 2 or more, a13 being 2 or more, and a14 being 2 or more.
- a1 to a4 in Formulas 1-4 to 1-6 are each an integer of 0 or 1, and a1+a2+a3+a4 is 2.
- a1 and a2 of Formulas 1-4 to 1-6 are 0, and a3 and a4 are 1.
- a1 and a4 in Formulas 1-4 to 1-6 are 0, and a2 and a3 are 1.
- a2 and a3 of Formulas 1-4 to 1-6 are 0, and a1 and a4 are 1.
- a2 and a4 in Formulas 1-4 to 1-6 are 0, and a1 and a3 are 1.
- a3 and a4 in Formulas 1-4 to 1-6 are 0, and a1 and a2 are 1.
- X11, X13, X14, and heavy hydrogen Or it is a substituted or unsubstituted alkyl group.
- R1 and R2 are the same as or different from each other, and are each independently hydrogen; heavy hydrogen; Or it is a substituted or unsubstituted aryl group.
- R1 and R2 are the same or different from each other, and each independently represents a substituted or unsubstituted aryl group.
- R1 and R2 are the same as or different from each other, and are each independently a substituted or unsubstituted phenyl group; Substituted or unsubstituted biphenyl group; Substituted or unsubstituted terphenyl group; Substituted or unsubstituted phenanthrenyl group; Substituted or unsubstituted fluorenyl group; Or a substituted or unsubstituted naphthyl group.
- R1 and R2 are the same or different from each other, and are each independently a phenyl group unsubstituted or substituted with deuterium; Biphenyl group substituted or unsubstituted with deuterium; Terphenyl group substituted or unsubstituted with deuterium; A phenanthrenyl group substituted or unsubstituted with deuterium; A fluorenyl group substituted or unsubstituted with deuterium; Or it is a naphthyl group substituted or unsubstituted with deuterium.
- L1 is a direct bond; Or it is a substituted or unsubstituted arylene group having 6 to 30 carbon atoms.
- L1 is a direct bond; Or, it is an arylene group having 6 to 30 carbon atoms substituted or unsubstituted with deuterium.
- L1 is a direct bond; Or a substituted or unsubstituted phenylene group.
- L1 is a direct bond; Or it is a phenylene group substituted or unsubstituted with deuterium.
- Y1 is O.
- Y1 is S.
- Y1 is Se.
- 1 to 8 of X1 to X4 and X11 to X14 include deuterium.
- X1 includes deuterium.
- At least one of R1 and R2 of X1 includes deuterium.
- At least one of R1 and R2 of X1 is deuterium; An alkyl group substituted with deuterium; Cycloalkyl group substituted with deuterium; Aryl group substituted with deuterium; Or it is a heteroaryl group substituted with deuterium.
- R1 and R2 of X1 include deuterium.
- R1 and R2 of X1 are the same or different from each other, and are each independently deuterium; An alkyl group substituted with deuterium; Cycloalkyl group substituted with deuterium; Aryl group substituted with deuterium; Or it is a heteroaryl group substituted with deuterium.
- R1 and R2 of X1 are the same or different from each other, and are each independently an aryl group substituted with deuterium.
- X2 includes deuterium.
- At least one of R1 and R2 of X2 includes deuterium.
- At least one of R1 and R2 of X2 is deuterium; An alkyl group substituted with deuterium; Cycloalkyl group substituted with deuterium; Aryl group substituted with deuterium; Or it is a heteroaryl group substituted with deuterium.
- R1 and R2 of X2 include deuterium.
- R1 and R2 of X2 are the same or different from each other, and are each independently deuterium; An alkyl group substituted with deuterium; Cycloalkyl group substituted with deuterium; Aryl group substituted with deuterium; Or it is a heteroaryl group substituted with deuterium.
- R1 and R2 of X2 are the same or different from each other, and are each independently an aryl group substituted with deuterium.
- L1 of X2 includes deuterium.
- X3 includes deuterium.
- At least one of R1 and R2 of X3 is deuterium; An alkyl group substituted with deuterium; Cycloalkyl group substituted with deuterium; Aryl group substituted with deuterium; Or it is a heteroaryl group substituted with deuterium.
- R1 and R2 of X3 include deuterium.
- R1 and R2 of X3 are the same or different from each other, and are each independently deuterium; An alkyl group substituted with deuterium; Cycloalkyl group substituted with deuterium; Aryl group substituted with deuterium; Or it is a heteroaryl group substituted with deuterium.
- R1 and R2 of X3 are the same or different from each other, and are each independently an aryl group substituted with deuterium.
- L1 of X3 includes deuterium.
- X4 includes deuterium.
- At least one of R1 and R2 of X4 includes deuterium.
- At least one of R1 and R2 of X4 is deuterium; An alkyl group substituted with deuterium; Cycloalkyl group substituted with deuterium; Aryl group substituted with deuterium; Or it is a heteroaryl group substituted with deuterium.
- R1 and R2 of X4 include deuterium.
- R1 and R2 of X4 are the same or different from each other, and are each independently deuterium; An alkyl group substituted with deuterium; Cycloalkyl group substituted with deuterium; Aryl group substituted with deuterium; Or it is a heteroaryl group substituted with deuterium.
- R1 and R2 of X4 are the same or different from each other, and are each independently an aryl group substituted with deuterium.
- L1 of X4 includes deuterium.
- X11 includes deuterium.
- X11 is deuterium; An alkyl group substituted or unsubstituted with deuterium; Cycloalkyl group substituted or unsubstituted with deuterium; Aryl group substituted or unsubstituted with deuterium; Or, it is a heteroaryl group substituted or unsubstituted with deuterium, or forms a ring substituted with deuterium by combining with an adjacent group.
- X11 is deuterium; Or, it is an alkyl group substituted with deuterium, or combines with an adjacent group to form a ring substituted with deuterium.
- X12 includes deuterium.
- X12 is deuterium; An alkyl group substituted or unsubstituted with deuterium; Cycloalkyl group substituted or unsubstituted with deuterium; Aryl group substituted or unsubstituted with deuterium; Or, it is a heteroaryl group substituted or unsubstituted with deuterium, or forms a ring substituted with deuterium by combining with an adjacent group.
- X12 is deuterium; Or, it is an alkyl group substituted with deuterium, or combines with an adjacent group to form a ring substituted with deuterium.
- X13 includes deuterium.
- X13 is deuterium; An alkyl group substituted or unsubstituted with deuterium; Cycloalkyl group substituted or unsubstituted with deuterium; Aryl group substituted or unsubstituted with deuterium; Or, it is a heteroaryl group substituted or unsubstituted with deuterium, or forms a ring substituted with deuterium by combining with an adjacent group.
- X13 is deuterium; Or it is an alkyl group substituted with deuterium.
- X14 includes deuterium.
- X14 is deuterium; An alkyl group substituted or unsubstituted with deuterium; Cycloalkyl group substituted or unsubstituted with deuterium; Aryl group substituted or unsubstituted with deuterium; Or, it is a heteroaryl group substituted or unsubstituted with deuterium, or forms a ring substituted with deuterium by combining with an adjacent group.
- X14 is deuterium; Or it is an alkyl group substituted with deuterium.
- X1 and X3 include deuterium.
- At least one of R1 and R2 of X1 and at least one of R1 and R2 of X3 contain deuterium.
- At least one of R1 and R2 of X1, and at least one of R1 and R2 of X3 are deuterium; An alkyl group substituted with deuterium; Cycloalkyl group substituted with deuterium; Aryl group substituted with deuterium; Or it is a heteroaryl group substituted with deuterium.
- R1 of X1, R2 of X1, R1 of X3, and R2 of X3 each include deuterium.
- R1 of X1, R2 of X1, R1 of X3, and R2 of X3 are the same or different from each other, and are each independently deuterium; An alkyl group substituted with deuterium; Cycloalkyl group substituted with deuterium; Aryl group substituted with deuterium; Or it is a heteroaryl group substituted with deuterium.
- L1 of X1 and L1 of X3 include deuterium.
- X1 and X4 include deuterium.
- At least one of R1 and R2 of X1 and at least one of R1 and R2 of X4 include deuterium.
- At least one of R1 and R2 of X1, and at least one of R1 and R2 of X4 are deuterium; An alkyl group substituted with deuterium; Cycloalkyl group substituted with deuterium; Aryl group substituted with deuterium; Or it is a heteroaryl group substituted with deuterium.
- R1 of X1, R2 of X1, R1 of X4, and R2 of X4 each include deuterium.
- R1 of X1, R2 of X1, R1 of X4, and R2 of X4 are the same or different from each other, and are each independently deuterium; An alkyl group substituted with deuterium; Cycloalkyl group substituted with deuterium; Aryl group substituted with deuterium; Or it is a heteroaryl group substituted with deuterium.
- L1 of X1 and L1 of X4 include deuterium.
- R1 of X2, R2 of X2, R1 of X3, and R2 of X3 each include deuterium.
- R1 of X2, R2 of X2, R1 of X3, and R2 of X3 are the same or different from each other, and are each independently deuterium; An alkyl group substituted with deuterium; Cycloalkyl group substituted with deuterium; Aryl group substituted with deuterium; Or it is a heteroaryl group substituted with deuterium.
- X2 and X4 include deuterium.
- At least one of R1 and R2 of X2, and at least one of R1 and R2 of X4 are deuterium; An alkyl group substituted with deuterium; Cycloalkyl group substituted with deuterium; Aryl group substituted with deuterium; Or it is a heteroaryl group substituted with deuterium.
- R1 of X2, R2 of X2, R1 of X4, and R2 of X4 each include deuterium.
- R1 of X2, R2 of X2, R1 of X4, and R2 of X4 are the same or different from each other, and are each independently deuterium; An alkyl group substituted with deuterium; Cycloalkyl group substituted with deuterium; Aryl group substituted with deuterium; Or it is a heteroaryl group substituted with deuterium.
- R1 of X2, R2 of X2, R1 of X4, and R2 of X4 are the same or different from each other, and are each independently an aryl group substituted with deuterium.
- L1 of X2 and L1 of X4 include deuterium.
- X3 and X4 include deuterium.
- At least one of R1 and R2 of X3 and at least one of R1 and R2 of X4 include deuterium.
- At least one of R1 and R2 of X3, and at least one of R1 and R2 of X4 are deuterium; An alkyl group substituted with deuterium; Cycloalkyl group substituted with deuterium; Aryl group substituted with deuterium; Or it is a heteroaryl group substituted with deuterium.
- R1 of X3, R2 of X3, R1 of X4, and R2 of X4 each include deuterium.
- R1 of X3, R2 of X3, R1 of X4, and R2 of X4 are the same or different from each other, and are each independently deuterium; An alkyl group substituted with deuterium; Cycloalkyl group substituted with deuterium; Aryl group substituted with deuterium; Or it is a heteroaryl group substituted with deuterium.
- L1 of X3 and L1 of X4 include deuterium.
- two of X1 to X4 contain deuterium, and X11 to X14 do not contain deuterium.
- two of X1 to Hydrogen independently; halogen group; An alkyl group substituted or unsubstituted with a substituent other than deuterium; Cycloalkyl group substituted or unsubstituted with a substituent other than deuterium; Aryl group unsubstituted or substituted with a substituent other than deuterium; Or, it is a heteroaryl group substituted or unsubstituted with a substituent other than deuterium, or it combines with an adjacent group to form a ring substituted or unsubstituted with a substituent other than deuterium.
- two of X1 to Hydrogen independently; halogen group; Alkyl group; Cycloalkyl group; Aryl group; Or, it is a heteroaryl group, or forms a ring by combining with an adjacent group.
- X11 and X12 are the same or different from each other, and are each independently deuterium; Or, it is an alkyl group substituted with deuterium, or combines with an adjacent group to form a ring substituted with deuterium.
- X12 and X13 are the same or different from each other, and are each independently deuterium; An alkyl group substituted or unsubstituted with deuterium; Cycloalkyl group substituted or unsubstituted with deuterium; Aryl group substituted or unsubstituted with deuterium; Or, it is a heteroaryl group substituted or unsubstituted with deuterium, or forms a ring substituted with deuterium by combining with an adjacent group.
- X12, X13, and X14 are the same or different from each other, and are each independently deuterium; Or, it is an alkyl group substituted with deuterium, or combines with an adjacent group to form a ring substituted with deuterium.
- X11 to X14 include deuterium.
- X11 to X14 are the same or different from each other, and are each independently deuterium; An alkyl group substituted or unsubstituted with deuterium; Cycloalkyl group substituted or unsubstituted with deuterium; Aryl group substituted or unsubstituted with deuterium; Or, it is a heteroaryl group substituted or unsubstituted with deuterium, or forms a ring substituted with deuterium by combining with an adjacent group.
- X11 to X14 are the same or different from each other, and are each independently deuterium; Or, it is an alkyl group substituted with deuterium, or combines with an adjacent group to form a ring substituted with deuterium.
- one or more of X11 to X14 includes deuterium, and X1 to X4 do not include deuterium.
- two of X1 to X4 and one or more of X11 to X14 include deuterium.
- two of X1 to X4 and one of X11 to X14 contain deuterium.
- two of X1 to X4 and two of X11 to X14 contain deuterium.
- two of X1 to X4 and three of X11 to X14 contain deuterium.
- two of X1 to X4 and X11 to X14 contain deuterium.
- X1, X3, and X11 to X14 include deuterium.
- X2, X3, and X11 to X14 include deuterium.
- X2, X4, and X11 to X14 include deuterium.
- X3, X4, and X11 to X14 include deuterium.
- two of X1 to X4 are groups represented by Formula 2, R1 and R2 in Formula 2 are unsubstituted aryl groups, and X11 to By deuterium; Or, it is an alkyl group substituted with deuterium, or combines with an adjacent group to form a ring substituted with deuterium.
- the substitution rate can be calculated based on the maximum value (max. value) of the distribution of molecular weights at the end of the reaction.
- a phenyl group unsubstituted or substituted with deuterium Biphenyl group substituted or unsubstituted with deuterium; Terphenyl group substituted or unsubstituted with deuterium; A phenanthrenyl group substituted or unsubstituted with deuterium; A fluorenyl group substituted or unsubstituted with deuterium; And the deuterium substitution rate of the naphthyl group substituted or unsubstituted with deuterium is 20% to 100%. Specifically, it is 40% to 100%, or 60% to 99%, and more specifically, 70% to 99%.
- a phenyl group substituted with deuterium or It can be expressed as (z1: integer from 1 to 5).
- z1 is an integer of 2 to 5
- the deuterium substitution rate of the structure is 40% to 100%.
- the deuterium substitution rate of the portion of the fluorenyl group excluding the portion substituted with the other substituent is 20% to 100%.
- a methyl group and a fluorenyl group substituted with deuterium can be expressed in the structure below, and the part indicated by deuterium in the structure below can be replaced with hydrogen, and the deuterium substitution rate in the structure below is 20% to 100%. More specifically, the deuterium substitution rate of the following structure is 40% to 100%.
- a phenylene group substituted with deuterium or It can be expressed as, the part indicated by deuterium in the above structure can be replaced with hydrogen, and the deuterium substitution rate of the structure is 20% to 100%. More specifically, the deuterium substitution rate of the structure is 40% to 100%.
- the compound of Formula 1 has any one of the following structures.
- the compound of Formula 1 may have a core structure prepared as shown in the following reaction scheme.
- Substituents may be combined by methods known in the art, and the type, position, or number of substituents may be changed according to techniques known in the art.
- step 1-1 is a step of reacting compound A1 and compound A2 to prepare intermediate compound A3 into which a phosphine group is introduced
- step 1-2 is a step of preparing final compound A4 by oxidizing intermediate compound A3.
- Y can be used without limitation as long as it is a material used in the art, for example, Cl.
- An exemplary embodiment of the present specification provides a coating composition containing the compound of Formula 1 described above.
- the coating composition includes the compound of Formula 1 and a solvent.
- the coating composition may be in a liquid form.
- the solvent is a solvent that dissolves the compound.
- solvents include chlorine-based solvents such as chloroform, methylene chloride, 1,2-dichloroethane, 1,1,2-trichloroethane, chlorobenzene, and o-dichlorobenzene; Ether-based solvents such as tetrahydrofuran and dioxane; Aromatic hydrocarbon solvents such as toluene, xylene, trimethylbenzene, and mesitylene; Ketone-based solvents such as acetone, methyl ethyl ketone, and cyclohexanone; Ester solvents such as ethyl acetate, butyl acetate, and ethyl cellosolve acetate; Polyhydric acids such as ethylene glycol, ethylene glycol monobutyl ether, ethylene glycol monoethyl ether, ethylene glycol monomethyl ether, dimethoxyethane, prop
- the dopant material may be an organic material containing a substituent including CN and/or F.
- the dopant material may include a halide flame.
- the halide flame may be LiF.
- the content of the dopant material may be 1% by weight or more and 50% by weight or less based on the total weight of the layer containing the dopant material.
- the viscosity of the coating composition is 2 cP to 15 cP at room temperature. If the above viscosity is satisfied, it is easy to manufacture the device. Specifically, when forming an organic material layer in an organic light emitting device, a uniform film can be formed.
- An exemplary embodiment of the present specification provides an organic light-emitting device comprising the compound of Formula 1, the coating composition, or a cured product thereof.
- An exemplary embodiment of the present specification includes a first electrode; second electrode; and at least one organic material layer provided between the first electrode and the second electrode, wherein at least one layer of the organic material layer includes the above-described compound.
- the organic material layer includes a light-emitting layer.
- the light-emitting layer includes the above-described compound.
- the light-emitting layer includes the above-described compound as a host of the light-emitting layer.
- the light-emitting layer includes the above-described compound as a dopant of the light-emitting layer.
- the organic material layer includes one or more layers selected from the group consisting of an electron blocking layer, a hole blocking layer, a hole injection layer, a hole transport layer, and a hole injection and transport layer.
- one or more layers selected from the group consisting of the electron blocking layer, the hole blocking layer, the hole injection layer, the hole transport layer, and the hole injection and transport layer include the above-described compound.
- the first organic material layer has a single-layer (one layer) or multi-layer (two or more layers) structure.
- the two or more first organic material layers are the same or different from each other.
- the second electrode is a cathode
- the first organic material layer is provided between the light-emitting layer and the cathode.
- the first organic material layer includes an electron injection layer; electron transport layer; and at least one of an electron injection and transport layer.
- the organic material layer having a multi-layer structure included in the organic light-emitting device includes a light-emitting layer; and a first organic material layer selected from the group consisting of a hole injection and transport layer, a hole injection layer, a hole transport layer, an electron blocking layer, a hole blocking layer, an electron transport layer, an electron injection layer, and an electron injection and transport layer, and the light emitting layer includes the first organic material layer. It is provided between an electrode and a second electrode, and the first organic material layer is provided between the light-emitting layer and the second electrode or between the first electrode and the light-emitting layer.
- the first organic layer includes the above-described compound.
- the first organic material layer includes an electron injection layer; electron transport layer; and at least one of an electron injection and transport layer. More preferably, the first organic material layer is an electron transport layer.
- the organic layer containing the above-described compound may include a coating composition containing the above-described compound instead of the above-described compound or a cured product thereof.
- an exemplary embodiment of the present specification includes a first electrode; second electrode; and one or more organic material layers provided between the first electrode and the second electrode, wherein at least one layer of the organic material layers includes the above-described coating composition or a cured product thereof.
- the above-described organic material layer includes a light-emitting layer and a first organic material layer, and the first organic material layer includes the coating composition or a cured product thereof.
- FIG. 1 The structure of an organic light-emitting device according to an exemplary embodiment of the present specification is shown in FIG. 1.
- a first electrode 201, a hole injection layer 301, a hole transport layer 401, a light emitting layer 501, an electron injection and transport layer 601, and a second electrode 701 are sequentially placed on the substrate 101.
- the structure of a stacked organic light emitting device is illustrated.
- Figure 1 illustrates an organic light-emitting device according to an exemplary embodiment of the present specification, and the structure of the organic light-emitting device of the present specification is not limited thereto.
- the first electrode is an anode and the second electrode is a cathode.
- the first electrode is a cathode and the second electrode is an anode.
- a hole injection layer, a hole transport layer, or an electron blocking layer is provided between the anode and the light emitting layer.
- the hole injection layer is provided on the anode
- the hole transport layer is provided on the hole injection layer
- the electron blocking layer is provided on the hole transport layer, but the example is not limited to the above.
- an organic light-emitting device having a single-layer or multi-layer organic material layer may have, for example, a stacked structure as shown below, but is not limited thereto.
- electroctron transport layer/electron injection layer can be replaced with “electron injection and transport layer” or “layer that simultaneously performs electron transport and electron injection.”
- hole injection layer/hole transport layer can be replaced with “hole injection and transport layer” or “layer that simultaneously performs hole injection and hole transport.”
- the organic light emitting device may be an inverted type organic light emitting device in which a cathode, one or more organic material layers, and an anode are sequentially stacked on a substrate.
- An exemplary embodiment of the present specification also provides a method for manufacturing an organic light-emitting device formed using the above-described compound or the above-described coating composition.
- the organic light emitting device may be manufactured using materials and methods known in the art, except that one or more organic layers are formed using the above-described compound or the above-described coating composition.
- the organic light emitting device of the present invention can be manufactured by sequentially stacking an anode, an organic material layer, and a cathode on a substrate. At this time, using a PVD (Physical Vapor Deposition) method such as sputtering or e-beam evaporation, a metal or a conductive metal oxide or an alloy thereof is deposited on the substrate to form an anode.
- PVD Physical Vapor Deposition
- an organic material layer including one or more of a hole injection layer, a hole transport layer, a light-emitting layer, an electron injection layer, an electron transport layer, a hole transport and injection layer, and an electron injection and transport layer is formed through a solution process, a deposition process, etc., It can be manufactured by depositing a material that can be used as a cathode thereon.
- an organic light-emitting device can be made by sequentially depositing a cathode material, an organic material layer, and an anode material on a substrate.
- the step of forming one or more organic layers using the coating composition uses a spin coating method.
- the step of forming one or more organic layers using the coating composition uses a printing method.
- the printing method includes, for example, coating jet printing, nozzle printing, offset printing, transfer printing, or screen printing, but is not limited to the printing methods listed above.
- the other organic material layer refers to an organic material layer formed first before forming an organic material layer using a coating composition.
- the other organic material layer may be an organic material layer first formed using the above-mentioned coating composition, or it may be an organic material layer first formed using another material without using the above-mentioned coating composition.
- the heat treatment time in the heat treatment step is 1 minute to 2 hours, according to one embodiment, it may be 1 minute to 1 hour, and in another embodiment, 10 minutes. It may be from 1 hour to 1 hour. As a preferred example, the heat treatment time in the heat treatment step is 20 to 40 minutes.
- the step of forming one or more organic layers using the coating composition uses deposition.
- An exemplary embodiment of the present specification also includes preparing a first electrode; Forming one or more organic layers on the first electrode; and forming a second electrode on the organic material layer, wherein forming the organic material layer includes depositing the compound to form one or more organic material layers.
- the deposition step may be performed under vacuum conditions. Specifically, it may be performed at a vacuum level of 5x10 -8 torr to 2x10 -7 torr.
- the deposition step may be performed at a rate of 0.01 ⁇ /sec to 10 ⁇ /sec. Specifically, it may be performed at a speed of 0.05 ⁇ /sec to 8 ⁇ /sec, or 0.1 ⁇ /sec to 6 ⁇ /sec.
- the anode material is generally preferably a material with a large work function to facilitate hole injection into the organic layer.
- metals such as vanadium, chromium, copper, zinc, gold, or alloys thereof; metal oxides such as zinc oxide, indium oxide, indium tin oxide (ITO), and indium zinc oxide (IZO); Combinations of metals and oxides such as ZnO:Al or SnO 2 :Sb; Conductive polymers such as poly(3-methylthiophene), poly[3,4-(ethylene-1,2-dioxy)thiophene](PEDOT), polypyrrole, and polyaniline are included, but are not limited thereto.
- the cathode material is generally preferably a material with a small work function to facilitate electron injection into the organic layer.
- metals or alloys thereof for example magnesium, calcium, sodium, potassium, titanium, indium, yttrium, lithium, gadolinium, aluminum, silver, tin and lead; Examples include, but are not limited to, multi-layered materials such as LiF/Al or LiO 2 /Al.
- the light-emitting layer may include a host material for the light-emitting layer and/or a dopant material for the light-emitting layer.
- Host materials for the light-emitting layer include condensed aromatic ring derivatives or heterocyclic ring-containing compounds.
- condensed aromatic ring derivatives include anthracene derivatives, pyrene derivatives, naphthalene derivatives, pentacene derivatives, phenanthrene compounds, and fluoranthene compounds
- heterocycle-containing compounds include dibenzofuran derivatives, ladder-type furan compounds, These include, but are not limited to, pyrimidine derivatives.
- the host material for the light emitting layer is an anthracene derivative.
- the host material may be a mixture of two or more host materials selected from the above-described host materials.
- anthracene derivatives and pyrene derivatives may be mixed and used at a weight ratio of 1:99 to 99:1.
- an anthracene derivative and a pyrene derivative may be mixed and used at a weight ratio of 92:8.
- the host of the light-emitting layer includes the following compound EH-1.
- L401 and L402 are the same or different from each other and are each independently directly bonded; Substituted or unsubstituted phenylene group; Substituted or unsubstituted biphenylene group; Substituted or unsubstituted terphenylene group; Substituted or unsubstituted naphthylene group; Or it is a substituted or unsubstituted anthracene group.
- Ar402 and Ar403 are the same as or different from each other, and are each independently hydrogen; heavy hydrogen; Substituted or unsubstituted aryl group; Or a substituted or unsubstituted heteroaryl group,
- L404 is a substituted or unsubstituted arylene group.
- L404 is a substituted or unsubstituted phenylene group; Substituted or unsubstituted biphenylene group; Or a substituted or unsubstituted naphthylene group.
- l404 is 3.
- Ar401 and Ar402 are the same or different from each other, and are each independently a substituted or unsubstituted phenyl group; Substituted or unsubstituted biphenyl group; Substituted or unsubstituted terphenyl group; Or a substituted or unsubstituted naphthyl group.
- Ar401 and Ar402 are each a substituted or unsubstituted naphthyl group.
- Ar401 and Ar402 are each a naphthyl group.
- Ar403 is a substituted or unsubstituted aryl group.
- Ar403 is a substituted or unsubstituted phenyl group; Substituted or unsubstituted biphenyl group; Substituted or unsubstituted terphenyl group; Or a substituted or unsubstituted naphthyl group.
- Ar403 is a substituted or unsubstituted naphthyl group.
- Ar403 is a naphthyl group.
- the formula EH-1 has the following structure.
- Dopant materials for the light-emitting layer include aromatic amine derivatives, strylamine compounds, boron complexes, fluoranthene compounds, and metal complexes.
- aromatic amine derivatives are condensed aromatic ring derivatives having a substituted or unsubstituted arylamine group, and include pyrene, anthracene, chrysene, periplanthene, etc. having an arylamine group.
- a styrylamine compound is a compound in which at least one arylvinyl group is substituted on a substituted or unsubstituted arylamine, and is one or two or more selected from the group consisting of an aryl group, a silyl group, an alkyl group, a cycloalkyl group, and an arylamine group.
- the substituent is substituted or unsubstituted.
- styrylamine, styryldiamine, styryltriamine, styryltetraamine, etc. are included, but are not limited thereto.
- metal complexes include, but are not limited to, iridium complexes and platinum complexes.
- the dopant for the light emitting layer is a pyrene-based compound having a substituted or unsubstituted arylamine group.
- the dopant of the light-emitting layer includes a compound of the following formula ED-1.
- the formula ED-1 is the formula ED-2 below.
- Ar501 to Ar504 are as defined in Chemical Formula ED-1 above.
- Ar501 to Ar504 are the same as or different from each other, and are each independently a substituted or unsubstituted phenyl group; Substituted or unsubstituted biphenyl group; Substituted or unsubstituted terphenyl group; Or a substituted or unsubstituted naphthyl group.
- Ar501 to Ar504 are the same as or different from each other, and are each independently a phenyl group substituted or unsubstituted by a silyl group; Biphenyl group substituted or unsubstituted with a silyl group; Terphenyl group substituted or unsubstituted with a silyl group; Or it is a naphthyl group substituted or unsubstituted with a silyl group.
- Ar501 to Ar504 are the same or different from each other, and each independently represents a phenyl group substituted or unsubstituted by a silyl group.
- the silyl group is a group represented by -SiRcRdRe, where Rc, Rd, and Re are the same or different from each other, and are each independently hydrogen; heavy hydrogen; Substituted or unsubstituted alkyl group; Substituted or unsubstituted aryl group; Or a substituted or unsubstituted heteroaryl group.
- the number of carbon atoms in the silyl group is not particularly limited, but is preferably 1 to 60.
- the hole injection layer includes a compound of the following formula HI-1.
- R201 to R204 are the same or different from each other, and are each independently hydrogen; heavy hydrogen; Substituted or unsubstituted alkyl group; Substituted or unsubstituted cycloalkyl group; Substituted or unsubstituted aryl group; A substituted or unsubstituted heteroaryl group; It is a photocurable group or a thermosetting group.
- L201 is an arylene group.
- R201 to R204 are the same or different from each other, and are each independently hydrogen; heavy hydrogen; A substituted or unsubstituted alkyl group having 1 to 30 carbon atoms; A substituted or unsubstituted cycloalkyl group having 3 to 30 carbon atoms; A substituted or unsubstituted aryl group having 6 to 30 carbon atoms; A substituted or unsubstituted heteroaryl group having 2 to 30 carbon atoms; It is a photocurable group or a thermosetting group.
- R201 to R204 are the same as or different from each other, and are each independently a substituted or unsubstituted phenyl group; Substituted or unsubstituted biphenyl group; Or a substituted or unsubstituted naphthyl group; It is a photocurable group or a thermosetting group.
- R201 to R204 are the same as or different from each other, and are each independently a phenyl group; Biphenyl group; naphthyl group; It is a photocurable group or a thermosetting group.
- the photocurable group or thermosetting group , or and L54 is a direct bond; Or -O-.
- the p-doping material refers to a material that causes the host material to have p-semiconductor characteristics.
- the p semiconductor characteristic refers to the characteristic of injecting or transporting holes at the HOMO (highest occupied molecular orbital) energy level, that is, the characteristic of a material with high hole conductivity.
- the p-doping material may be represented by any of the following structures, but is not limited thereto.
- the p-doping material is sufficient as long as it has p-semiconductor properties, and one type or two or more types can be used, and the type is not limited.
- the content of the p-doping material is 0% by weight to 500% by weight based on the compound of the formula HI-1. Specifically, the content of the p-doping material is 100% by weight to 400% by weight based on the compound of formula HI-1.
- the p-doping material is included in an amount of 0 to 50% by weight based on the solid content of the composition for forming the hole injection layer. In one embodiment of the present specification, the p-doping material preferably contains 1 to 50% by weight based on the total solid content of the composition, and 10 to 30% by weight based on the total solid content of the composition. It is more desirable to include it.
- the hole transport layer is a layer that receives holes from the hole injection layer and transports the holes to the light emitting layer, and may have a single-layer structure or a multi-layer structure of two or more layers.
- the hole transport material is preferably a material that can receive holes from the anode or hole injection layer and transfer them to the light emitting layer, and has high mobility for holes.
- the hole transport layer includes a polymer containing a unit of the formula HT-1 below.
- L301 and L302 are the same or different from each other and are each independently directly bonded; Substituted or unsubstituted arylene group; Or a substituted or unsubstituted heteroarylene group,
- l302 is an integer from 0 to 3, and when l302 is 2 or more, L302 is the same or different from each other,
- Ar301 and Ar302 are the same or different from each other, and are each independently a substituted or unsubstituted aryl group; Or a substituted or unsubstituted heteroaryl group,
- r304 and r306 are the same as or different from each other and are each independently an integer of 0 to 3
- r305 and r307 are the same as or different from each other and are each independently an integer of 0 to 4
- r304 to r307 are each 2 or more, each parenthesis
- the structures inside are the same or different
- L301 and L302 are the same or different from each other and are each independently a substituted or unsubstituted arylene group.
- L301 and L302 are the same as or different from each other, and are each independently a phenylene group; Biphenylene group; Or it is a naphthylene group.
- L301 and L302 are each a phenylene group.
- R301 to R307 are the same or different from each other, and are each independently hydrogen; heavy hydrogen; Substituted or unsubstituted alkyl group; Or it is a substituted or unsubstituted aryl group.
- Ar301 and Ar302 are the same or different from each other, and are each independently a substituted or unsubstituted phenyl group; Substituted or unsubstituted biphenyl group; Substituted or unsubstituted terphenyl group; Substituted or unsubstituted naphthyl group; Or a substituted or unsubstituted fluorenyl group.
- At least one of the electron injection layer, the electron transport layer, and the electron injection and transport layer includes the above-described compound.
- the electron blocking layer is a layer that can improve the lifespan or efficiency of the device by preventing electrons injected from the electron injection layer from passing through the light emitting layer and entering the hole injection layer.
- the electron blocking material known electron blocking materials can be used.
- the organic light emitting device may be a front emitting type, a back emitting type, or a double-sided emitting type depending on the material used.
- One embodiment of the present invention provides an electronic device including an organic light-emitting device including the compound of Formula 1 described above, a coating composition containing the same, or a cured product thereof, or an organic material layer formed using the coating composition.
- Example 12 an organic light-emitting device was manufactured in the same manner as Example 12, except that the compounds listed in Table 1 below were used instead of Compound 1 when producing the electron injection and transport layer.
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Abstract
Description
화합물 | 구동전압 (V) |
전류효율 (Cd/A) |
전력효율 (lm/W) |
휘도 (Cd/m2) |
T95 (h) |
|
실시예 1 | 화합물 1 | 4.63 | 5.08 | 3.45 | 507.68 | 111 |
실시예 2 | 화합물 2 | 4.61 | 5.01 | 3.42 | 501.38 | 188 |
실시예 3 | 화합물 3 | 4.74 | 4.93 | 3.26 | 492.72 | 137 |
실시예 4 | 화합물 4 | 4.55 | 4.78 | 3.30 | 478.21 | 148 |
실시예 5 | 화합물 5 | 4.42 | 4.78 | 3.40 | 477.67 | 180 |
실시예 6 | 화합물 6 | 4.21 | 4.80 | 3.40 | 480.28 | 154 |
실시예 7 | 화합물 7 | 4.66 | 5.10 | 3.82 | 498.01 | 133 |
실시예 8 | 화합물 8 | 4.29 | 4.86 | 3.48 | 483.09 | 132 |
실시예 9 | 화합물 9 | 4.97 | 4.67 | 3.28 | 480.67 | 164 |
실시예 10 | 화합물 10 | 4.67 | 4.82 | 3.42 | 481.38 | 162 |
실시예 11 | 화합물 11 | 4.51 | 4.91 | 3.60 | 493.65 | 124 |
실시예 12 | 화합물 1 | 4.52 | 4.45 | 3.71 | 445.13 | 180 |
실시예 13 | 화합물 3 | 4.64 | 4.62 | 3.44 | 438.05 | 150 |
실시예 14 | 화합물 4 | 4.56 | 4.72 | 3.75 | 445.11 | 180 |
실시예 15 | 화합물 6 | 4.29 | 4.28 | 3.48 | 441.46 | 160 |
비교예 1 | 화합물 B | 6.14 | 4.82 | 2.47 | 481.92 | 85 |
비교예 2 | 화합물 C | 5.61 | 3.97 | 2.22 | 396.55 | 67 |
비교예 3 | 화합물 D | 5.94 | 4.11 | 2.41 | 370.97 | 116 |
비교예 4 | 화합물 E | 5.67 | 4.24 | 2.35 | 320.86 | 124 |
Claims (15)
- 하기 화학식 1의 화합물:[화학식 1]상기 화학식 1에 있어서,X1 내지 X4는 서로 같거나 상이하고, 각각 독립적으로 하기 화학식 2로 표시되는 기이고,X11 내지 X14는 서로 같거나 상이하고, 각각 독립적으로 수소; 중수소; 할로겐기; 치환 또는 비치환된 알킬기; 치환 또는 비치환된 시클로알킬기; 치환 또는 비치환된 아릴기; 또는 치환 또는 비치환된 헤테로아릴기이거나, 인접한 기와 결합하여 치환 또는 비치환된 고리를 형성하며,a1 내지 a4는 각각 0 또는 1의 정수이고, a1+a2+a3+a4는 2 내지 4의 정수이고,a11 내지 a14는 각각 0 내지 4의 정수이고, a11 내지 a14가 각각 2 이상의 정수일 경우, 괄호 안의 치환기는 각각 서로 같거나 상이하며,[화학식 2]상기 화학식 2에 있어서,Y1은 0, S 또는 Se이고,L1은 직접결합; 치환 또는 비치환된 알킬렌기; 치환 또는 비치환된 아릴렌기; 또는 치환 또는 비치환된 헤테로아릴렌기이며,R1 및 R2는 서로 같거나 상이하고, 각각 독립적으로 수소; 중수소; 할로겐기; 치환 또는 비치환된 알킬기; 치환 또는 비치환된 시클로알킬기; 치환 또는 비치환된 아릴기; 또는 치환 또는 비치한된 헤테로아릴기고,상기 X1 내지 X4 및 X11 내지 X14 중 적어도 하나가 중수소를 포함한다.
- 청구항 1에 있어서,상기 화학식 1은 하기 화학식 1-4 내지 1-6 중 어느 하나인 것인 화합물:[화학식 1-4][화학식 1-5][화학식 1-6]상기 화학식 1-4 내지 1-6에 있어서,X1 내지 X4, X11, X13, X14, a1 내지 a4, a11, a13 및 a14는 화학식 1에서 정의한 것과 동일하고,X15는 수소; 중수소; 할로겐기; 치환 또는 비치환된 알킬기; 치환 또는 비치환된 시클로알킬기; 치환 또는 비치환된 아릴기; 또는 치환 또는 비치환된 헤테로아릴기이며,X1 내지 X4, X11 및 X13 내지 X15 중 적어도 하나가 중수소를 포함하고,a15는 1 내지 6의 정수이고, a15가 2 이상의 정수일 경우, 괄호 안의 구조는 서로 같거나 상이하다.
- 청구항 1에 있어서,상기 R1 및 R2는 서로 같거나 상이하고, 각각 독립적으로 수소; 중수소; 또는 치환 또는 비치환된 아릴기인 것인 화합물.
- 청구항 1에 있어서,상기 X11 내지 X14는 서로 같거나 상이하고, 각각 독립적으로 수소; 중수소; 또는 치환 또는 비치환된 알킬기이거나, 인접하는 기와 결합하여 치환 또는 비치환된 고리를 형성한 것인 화합물.
- 청구항 1에 있어서,상기 화학식 1의 화합물은 중수소 치환율이 20% 이상인 것인 화합물.
- 청구항 1 내지 7 중 어느 한 항에 따른 화합물을 포함하는 코팅 조성물.
- 제1 전극;제2 전극; 및상기 제1 전극과 상기 제2 전극 사이에 구비되는 1층 이상의 유기물층을 포함하고,상기 유기물층 중 1층 이상은 청구항 8의 코팅 조성물 또는 이의 경화물을 포함하는 것인 유기 발광 소자.
- 청구항 9에 있어서,상기 유기물층은 발광층 및 제1 유기물층을 포함하고,상기 제1 유기물층은 상기 코팅 조성물 또는 이의 경화물을 포함하는 것인 유기 발광 소자.
- 청구항 10에 있어서,상기 제2 전극은 캐소드이고,상기 제1 유기물층은 상기 발광층 및 상기 캐소드 사이에 구비되는 것인 유기 발광 소자.
- 청구항 10에 있어서,상기 제1 유기물층은 전자 주입층; 전자 수송층; 및 전자 주입 및 수송층 중 적어도 하나인 것인 유기 발광 소자.
- 제1 전극을 준비하는 단계;상기 제1 전극 상에 1층 이상의 유기물층을 형성하는 단계; 및상기 유기물층 상에 제2 전극을 형성하는 단계를 포함하고,상기 유기물층을 형성하는 단계는 청구항 8의 코팅 조성물을 이용하여 1층 이상의 유기물층을 형성하는 단계를 포함하는 것인 유기 발광 소자의 제조 방법.
- 청구항 13에 있어서,상기 코팅 조성물을 이용하여 1층 이상의 유기물층을 형성하는 단계는상기 제1 전극 상에 상기 코팅 조성물을 코팅하는 단계; 및상기 코팅된 코팅 조성물을 열처리 또는 광처리하는 단계를 포함하는 것인 유기 발광 소자의 제조 방법.
- 제1 전극을 준비하는 단계;상기 제1 전극 상에 1층 이상의 유기물층을 형성하는 단계; 및상기 유기물층 상에 제2 전극을 형성하는 단계를 포함하고,상기 유기물층을 형성하는 단계는 청구항 1 내지 7 중 어느 한 항에 따른 화합물을 증착하여 1층 이상의 유기물층을 형성하는 단계를 포함하는 것인 유기 발광 소자의 제조 방법.
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