WO2019194616A1 - 아민 화합물 및 이를 포함하는 유기 발광 소자 - Google Patents
아민 화합물 및 이를 포함하는 유기 발광 소자 Download PDFInfo
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- WO2019194616A1 WO2019194616A1 PCT/KR2019/004030 KR2019004030W WO2019194616A1 WO 2019194616 A1 WO2019194616 A1 WO 2019194616A1 KR 2019004030 W KR2019004030 W KR 2019004030W WO 2019194616 A1 WO2019194616 A1 WO 2019194616A1
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- substituted
- light emitting
- unsubstituted
- compound
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- -1 Amine compound Chemical class 0.000 title description 94
- 150000001875 compounds Chemical class 0.000 claims abstract description 86
- 239000000126 substance Substances 0.000 claims abstract description 24
- 125000003118 aryl group Chemical group 0.000 claims description 67
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- 125000001072 heteroaryl group Chemical group 0.000 claims description 26
- 125000000217 alkyl group Chemical group 0.000 claims description 18
- 125000005843 halogen group Chemical group 0.000 claims description 14
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- 229910052740 iodine Inorganic materials 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000004491 isohexyl group Chemical group C(CCC(C)C)* 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000002183 isoquinolinyl group Chemical group C1(=NC=CC2=CC=CC=C12)* 0.000 description 1
- 125000000842 isoxazolyl group Chemical group 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- DLEDOFVPSDKWEF-UHFFFAOYSA-N lithium butane Chemical compound [Li+].CCC[CH2-] DLEDOFVPSDKWEF-UHFFFAOYSA-N 0.000 description 1
- XNUVVHVFAAQPQY-UHFFFAOYSA-L manganese(2+) quinolin-8-olate Chemical compound N1=CC=CC2=CC=CC(=C12)[O-].[Mn+2].N1=CC=CC2=CC=CC(=C12)[O-] XNUVVHVFAAQPQY-UHFFFAOYSA-L 0.000 description 1
- FKZPPCZBBALSSG-UHFFFAOYSA-N n-(4-methylphenyl)-2-(trifluoromethyl)aniline Chemical compound C1=CC(C)=CC=C1NC1=CC=CC=C1C(F)(F)F FKZPPCZBBALSSG-UHFFFAOYSA-N 0.000 description 1
- KDADHQHDRSAQDY-UHFFFAOYSA-N n-(4-phenylphenyl)naphthalen-1-amine Chemical compound C=1C=CC2=CC=CC=C2C=1NC(C=C1)=CC=C1C1=CC=CC=C1 KDADHQHDRSAQDY-UHFFFAOYSA-N 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- NYESPUIMUJRIAP-UHFFFAOYSA-N naphtho[1,2-e][1]benzofuran Chemical group C1=CC=CC2=C3C(C=CO4)=C4C=CC3=CC=C21 NYESPUIMUJRIAP-UHFFFAOYSA-N 0.000 description 1
- XRJUVKFVUBGLMG-UHFFFAOYSA-N naphtho[1,2-e][1]benzothiole Chemical group C1=CC=CC2=C3C(C=CS4)=C4C=CC3=CC=C21 XRJUVKFVUBGLMG-UHFFFAOYSA-N 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000004866 oxadiazoles Chemical class 0.000 description 1
- AICOOMRHRUFYCM-ZRRPKQBOSA-N oxazine, 1 Chemical compound C([C@@H]1[C@H](C(C[C@]2(C)[C@@H]([C@H](C)N(C)C)[C@H](O)C[C@]21C)=O)CC1=CC2)C[C@H]1[C@@]1(C)[C@H]2N=C(C(C)C)OC1 AICOOMRHRUFYCM-ZRRPKQBOSA-N 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 229960003540 oxyquinoline Drugs 0.000 description 1
- 125000003538 pentan-3-yl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 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
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 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
- 125000005560 phenanthrenylene group Chemical group 0.000 description 1
- 150000005041 phenanthrolines Chemical class 0.000 description 1
- 125000004625 phenanthrolinyl group Chemical group N1=C(C=CC2=CC=C3C=CC=NC3=C12)* 0.000 description 1
- 125000001484 phenothiazinyl group Chemical group C1(=CC=CC=2SC3=CC=CC=C3NC12)* 0.000 description 1
- 125000001644 phenoxazinyl group Chemical group C1(=CC=CC=2OC3=CC=CC=C3NC12)* 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- 125000004592 phthalazinyl group Chemical group C1(=NN=CC2=CC=CC=C12)* 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920002098 polyfluorene Polymers 0.000 description 1
- 229920000642 polymer Polymers 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
- 230000008569 process Effects 0.000 description 1
- 125000003373 pyrazinyl group Chemical group 0.000 description 1
- 125000001725 pyrenyl group Chemical group 0.000 description 1
- 125000005548 pyrenylene 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
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 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
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 description 1
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- YYMBJDOZVAITBP-UHFFFAOYSA-N rubrene Chemical compound C1=CC=CC=C1C(C1=C(C=2C=CC=CC=2)C2=CC=CC=C2C(C=2C=CC=CC=2)=C11)=C(C=CC=C2)C2=C1C1=CC=CC=C1 YYMBJDOZVAITBP-UHFFFAOYSA-N 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000003548 sec-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 150000003413 spiro compounds Chemical class 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 229940042055 systemic antimycotics triazole derivative Drugs 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- 125000006836 terphenylene group Chemical group 0.000 description 1
- 125000006169 tetracyclic group Chemical group 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 125000005730 thiophenylene group Chemical group 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
- 239000011135 tin Substances 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
- 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
- 125000004306 triazinyl group Chemical group 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
- 125000003866 trichloromethyl group Chemical group ClC(Cl)(Cl)* 0.000 description 1
- 125000006837 triphenylylene group Chemical group 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- 238000001771 vacuum deposition Methods 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
- 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
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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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
- C07C211/57—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton
- C07C211/61—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton with at least one of the condensed ring systems formed by three or more rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/91—Dibenzofurans; Hydrogenated dibenzofurans
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/50—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
- C07D333/76—Dibenzothiophenes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
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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
- H10K85/626—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene containing more than one polycyclic condensed aromatic rings, e.g. bis-anthracene
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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
- H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
- 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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/10—Non-macromolecular compounds
- C09K2211/1003—Carbocyclic compounds
- C09K2211/1011—Condensed systems
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/10—Non-macromolecular compounds
- C09K2211/1003—Carbocyclic compounds
- C09K2211/1014—Carbocyclic compounds bridged by heteroatoms, e.g. N, P, Si or B
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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]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
Definitions
- the present specification relates to an amine compound and an organic light emitting device including the same.
- organic light emitting phenomenon refers to a phenomenon of converting electrical energy into light energy using an organic material.
- An organic light emitting device using an organic light emitting phenomenon usually has a structure including an anode, a cathode, and an organic material layer therebetween.
- the organic material layer is often made of a multi-layered structure composed of different materials to increase the efficiency and stability of the organic light emitting device, for example, 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 present specification provides an amine compound and an organic light emitting device including the same.
- Ar11 to Ar14 are the same as or different from each other, and each independently a substituted or unsubstituted aryl group; Or a substituted or unsubstituted heteroaryl group,
- L2 to L5 are the same as or different from each other, and each independently a direct bond; Or a substituted or unsubstituted arylene group,
- Ar11 and Ar12 are each an unsubstituted aryl group, any one of Ar11 and Ar12 is an unsubstituted aryl group having more than 10 carbon atoms,
- Ar13 and Ar14 are each unsubstituted aryl groups, either Ar13 and Ar14 are unsubstituted aryl groups having more than 10 carbon atoms.
- the first electrode A second electrode provided to face the first electrode; And at least one organic material layer provided between the first electrode and the second electrode, wherein at least one of the organic material layers includes a compound represented by Chemical Formula 1. .
- the compound according to the exemplary embodiment of the present specification may be used as a material of the organic material layer of the organic light emitting device, and by using the compound, it is possible to improve efficiency, low driving voltage, and / or lifespan characteristics in the organic light emitting device.
- 1 to 4 illustrate organic light emitting devices according to exemplary embodiments of the present specification.
- An exemplary embodiment of the present specification provides a compound represented by Chemical Formula 1.
- Formula 1 has a tetraphenylspiro [benzo [b] fluorene-11,9'-fluorene core structure and includes a diarylamine group.
- the compound of Formula 1 is used as the dopant of the blue light emitting layer, the long life, high efficiency and low voltage characteristics of the device are improved.
- Or * means a linking site
- substituted means that a hydrogen atom bonded to a carbon atom of the compound is replaced with another substituent, and the position to be substituted is not limited to a position where the hydrogen atom is substituted, that is, a position where a substituent can be substituted, if two or more substituted , Two or more substituents may be the same or different from each other.
- substituted or unsubstituted is hydrogen; heavy hydrogen; Halogen group; Nitrile group; Silyl groups; An alkyl group; Cycloalkyl group; Haloalkyl group; An alkoxy group; Haloalkoxy group; Aryloxy group; Aryl group; And it means that it is substituted with one or two or more substituents selected from the group consisting of a heterocyclic group or substituted with a substituent to which two or more substituents in the above-described substituents are connected, or does not have any substituents.
- a substituent to which two or more substituents are linked may be an aryl group substituted with an aryl group, an aryl group substituted with a heteroaryl group, a heterocyclic group substituted with an aryl group, an aryl group substituted with an alkyl group, or the like.
- substituents are connected means that hydrogen of any one substituent is connected to another substituent.
- connection of the three substituents is that (substituent 1)-(substituent 2)-(substituent 3) are continuously connected, as well as (substituent 2) and (substituent 3) to (substituent 1) It also includes being connected.
- the halogen group may be F, Cl, I or the like, preferably F.
- the silyl group is an alkyl silyl group; Or an aryl silyl group.
- the silyl group may be represented by SiRaRbRc, and Ra to Rc may be hydrogen, an alkyl group or an aryl group.
- the alkyl group may be linear or branched, carbon number is not particularly limited, but 1 to 30; 1 to 10; Or 1 to 5 is preferable.
- Specific examples include methyl, ethyl, propyl, n-propyl, isopropyl, butyl, n-butyl, isobutyl, tert-butyl, sec-butyl, 1-methyl-butyl, 1-ethyl-butyl, pentyl, n-pentyl , Isopentyl, neopentyl, tert-pentyl, hexyl, n-hexyl, 1-methylpentyl, 2-methylpentyl, 4-methyl-2-pentyl, 3,3-dimethylbutyl, 2-ethylbutyl, heptyl, n -Heptyl, 1-methylhexyl, cyclopentylmethyl, cyclohexylmethyl, oc
- the cycloalkyl group is not particularly limited, but has 3 to 30 carbon atoms; Or 3 to 13, specifically, cyclopropyl, cyclobutyl, cyclopentyl, 3-methylcyclopentyl, 2,3-dimethylcyclopentyl, cyclohexyl, 3-methylcyclohexyl, 4-methylcyclohexyl, 2 , 3-dimethylcyclohexyl, 3,4,5-trimethylcyclohexyl, 4-tert-butylcyclohexyl, cycloheptyl, cyclooctyl, and the like, but is not limited thereto.
- the haloalkyl group may be linear or branched chain, and the hydrogen of the aforementioned alkyl group is substituted with one or two or more halogen groups.
- carbon number is not specifically limited, 1-30; 1 to 20; 1 to 10; Or 1 to 5 is preferable.
- the alkyl group may be applied to the description of the aforementioned alkyl group.
- Specific examples of haloalkyl groups include, but are not limited to, fluoromethyl group, difluoromethyl group, trifluoromethyl group, chloromethyl group, dichloromethyl group, trichloromethyl group, bromomethyl group, dibromomethyl group, tribromomethyl group, and the like. It doesn't work.
- the alkoxy group may be linear, branched or cyclic. Although carbon number of an alkoxy group is not specifically limited, It is preferable that it is C1-C30. Specifically, methoxy, ethoxy, n-propoxy, isopropoxy, i-propyloxy, n-butoxy, isobutoxy, tert-butoxy, sec-butoxy, n-pentyloxy, neopentyloxy, Isopentyloxy, n-hexyloxy, 3,3-dimethylbutyloxy, 2-ethylbutyloxy, n-octyloxy, n-nonyloxy, n-decyloxy, benzyloxy, p-methylbenzyloxy and the like It may be, but is not limited thereto.
- the haloalkoxy group is a haloalkyl group linked to an oxygen atom, and the description of the aforementioned haloalkyl group may be applied to the haloalkyl group.
- carbon number is not specifically limited, 1-30; 1 to 20; 1 to 10; Or 1 to 5 is preferable.
- the aryl group is not particularly limited, but preferably has 6 to 30 carbon atoms, and the aryl group may be monocyclic or polycyclic.
- the aryl group is a monocyclic aryl group
- carbon number is not particularly limited, but is preferably 6 to 30 carbon atoms.
- the monocyclic aryl group may be a phenyl group, a biphenyl group, a terphenyl group, etc., but is not limited thereto.
- Carbon number is not particularly limited when the aryl group is a polycyclic aryl group. It is preferable that it is C10-30.
- the polycyclic aryl group may be a naphthyl group, anthracenyl group, phenanthryl group, triphenyl group, pyrenyl group, penalenyl group, perrylenyl group, chrysenyl group, fluorenyl group, etc., but is not limited thereto. no.
- the fluorenyl group may be substituted, and adjacent groups may combine with each other to form a ring.
- the aryl group in the aryloxy group, the N-arylalkylamine group, and the N-arylheteroarylamine group is the same as the aryl group described above.
- the aryloxy group may be a phenoxy group, p-tolyloxy group, m-tolyloxy group, 3,5-dimethyl-phenoxy group, 2,4,6-trimethylphenoxy group, p-tert-butylphenoxy group, 3- Biphenyloxy group, 4-biphenyloxy group, 1-naphthyloxy group, 2-naphthyloxy group, 4-methyl-1-naphthyloxy group, 5-methyl-2-naphthyloxy group, 1-anthryloxy group , 2-anthryloxy group, 9-anthryloxy group, 1-phenanthryloxy group, 3-phenanthryloxy group, 9-phenanthryloxy group, and the like.
- the heteroaryl group includes one or more atoms other than carbon and heteroatoms, and specifically, the heteroatoms may include one or more atoms selected from the group consisting of O, N, Se, and S, and the like. Although carbon number is not particularly limited, it is preferably 2 to 30 carbon atoms, the heteroaryl group may be monocyclic or polycyclic.
- heterocyclic group examples include thiophene group, furan group, pyrrole group, imidazole group, thiazole group, oxazole group, oxadiazole group, pyridyl group, bipyridyl group, pyrimidyl group, triazinyl group, triazole group, acri Dill group, pyridazinyl group, pyrazinyl group, quinolinyl group, quinazolinyl group, quinoxalinyl group, phthalazinyl group, pyrido pyrimidyl group, pyrido pyrazinyl group, pyrazino pyrazinyl group, isoquinolinyl group , Indolyl group, carbazole group, benzoxazole group, benzoimidazole group, benzothiazole group, benzocarbazole group, dibenzopyrrole group, indole group, benzothiophene group,
- aryl group described above may be applied except that the arylene group is a divalent group.
- heteroaryl group described above may be applied except that the heteroarylene group is a divalent group.
- L2 to L5 are the same as or different from each other, and each independently a direct bond, phenylene, biphenylene, terphenylene, quarterphenylene, naphthylene, anthracenylene, alkyl or aryl It is selected from fluorenylene, phenanthrenylene, pyrenylene, triphenylylene unsubstituted or substituted with.
- L2 to L5 are the same as or different from each other, and each independently may be selected from a direct bond or the following structural formula.
- R and R ' are an alkyl group or an aryl group.
- R and R ' are a methyl group or a phenyl group.
- L2 to L5 are the same as or different from each other, and each independently may be selected from a direct bond or the following structural formula.
- L2 to L5 are the same as or different from each other, and each independently a direct bond, a phenylene, or a biphenylene group.
- L2 to L5 are the same as or different from each other, and each independently a direct bond, or phenylene.
- L2 to L5 are the same as or different from each other, and each independently a direct bond, p-phenylene or m-phenylene.
- L2 to L5 is a direct bond.
- Ar11 to Ar14 are the same as or different from each other, and each independently a substituted or unsubstituted aryl group; Or a substituted or unsubstituted heteroaryl group.
- any one of Ar11 and Ar12 is an unsubstituted aryl group having more than 10 carbon atoms.
- any one of Ar13 and Ar14 is an unsubstituted aryl group having more than 10 carbon atoms.
- Ar11 and Ar12 are each a substituted aryl group.
- Ar11 is a substituted aryl group
- Ar12 is an unsubstituted aryl group
- At least one of Ar11 and Ar12 is a substituted or unsubstituted heteroaryl group.
- Ar11 is a substituted or unsubstituted heteroaryl group
- Ar12 is a substituted or unsubstituted aryl group.
- Ar11 and Ar12 are the same as or different from each other, and each independently a substituted or unsubstituted aryl group having more than 10 carbon atoms.
- Ar11 is an unsubstituted aryl group having more than 10 carbon atoms
- Ar12 is a substituted or unsubstituted aryl group having 6 to 30 carbon atoms.
- Ar13 and Ar14 are substituted aryl groups, respectively.
- Ar13 is a substituted aryl group
- Ar14 is an unsubstituted aryl group
- At least one of Ar13 and Ar14 is a substituted or unsubstituted heteroaryl group.
- Ar13 is a substituted or unsubstituted heteroaryl group
- Ar14 is a substituted or unsubstituted aryl group.
- Ar13 and Ar14 are the same as or different from each other, and each independently a substituted or unsubstituted aryl group having more than 10 carbon atoms.
- Ar13 is an unsubstituted aryl group having more than 10 carbon atoms
- Ar14 is a substituted or unsubstituted aryl group having 6 to 30 carbon atoms.
- the aryl group having more than 10 carbon atoms is an aryl group having 30 carbon atoms or an aryl group having 20 carbon atoms. More preferably, they are a biphenyl group, a dimethyl fluorenyl group, a diphenyl fluorenyl group, and a terphenyl group.
- Ar11 to Ar14 are the same as or different from each other, and each independently a substituted or unsubstituted aryl group having 6 to 30 carbon atoms; Or a substituted or unsubstituted heteroaryl group having 2 to 30 carbon atoms.
- Ar11 to Ar14 are the same as or different from each other, and each independently a group consisting of deuterium, a halogen group, a nitrile group, an alkyl group, a haloalkyl group, an alkoxy group, a haloalkoxy group, a silyl group and a cycloalkyl group
- An aryl group unsubstituted or substituted with one substituent selected from or a substituent to which at least two substituents selected from the group are linked;
- Heteroaryl group Heteroaryl group
- the aryl group is a phenyl group, a naphthyl group, a biphenyl group, a fluorenyl group, or a benzofluorenyl group.
- the heteroaryl group is a dibenzofuran group, a naphthobenzofuran group, a dibenzothiophene group or a naphthobenzothiophene group.
- the substituent of the aryl group may be a deuterium, a halogen group, a nitrile group, an alkyl group having 1 to 5 carbon atoms unsubstituted or substituted with deuterium, A haloalkyl group having 1 to 5 carbon atoms, an alkoxy group having 1 to 5 carbon atoms, a haloalkoxy group having 1 to 5 carbon atoms, a silyl group having 3 to 20 carbon atoms or a cycloalkyl group having 3 to 20 carbon atoms.
- the substituent of the aryl group is deuterium, halogen, nitrile, methyl, ethyl, propyl, isopropyl, t-butyl Group, CD 3 , trifluoromethyl group, methoxy group, ethoxy group, OCF 3 , trimethylsilyl group, triphenylsilyl group or cyclohexyl group.
- the substituent of the heteroaryl group has 1 to 5 carbon atoms unsubstituted or substituted with deuterium, a halogen group, a nitrile group, and deuterium Substituted or unsubstituted with an alkyl group, a haloalkyl group having 1 to 5 carbon atoms, an alkoxy group having 1 to 5 carbon atoms, a haloalkoxy group having 1 to 5 carbon atoms, a silyl group having 3 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms or deuterium It is a C6-C20 aryl group.
- the substituent of the heteroaryl group is deuterium, halogen group, nitrile group, methyl group, ethyl group, propyl group, isopropyl group, t -Butyl group, CD 3 , trifluoromethyl group, methoxy group, ethoxy group, OCF 3 , trimethylsilyl group, triphenylsilyl group, phenyl group, biphenyl group, naphthyl group, terphenyl group, phenyl group substituted with deuterium, substituted with deuterium Biphenyl group, naphthyl group substituted with deuterium, or terphenyl group substituted with deuterium.
- Ar11 to Ar14 are the same as or different from each other, and each independently deuterium, a halogen group, a nitrile group, a methyl group, an ethyl group, a propyl group, an isopropyl group, a t-butyl group, a CD 3 , a tree Phenyl groups unsubstituted or substituted with a fluoromethyl group, OCF 3 , a methoxy group, an ethoxy group, a trimethylsilyl group, a triphenylsilyl group or a cyclohexyl group; Deuterium, halogen, nitrile, methyl, ethyl, propyl, isopropyl, t-butyl, CD 3 , trifluoromethyl, methoxy, ethoxy, OCF 3 , trimethylsilyl, triphenylsilyl or A biphenyl group unsubstituted
- Ar11 to Ar14 are the same as or different from each other, and each independently deuterium, a halogen group, a nitrile group, a methyl group, an isopropyl group, t-butyl group, CD 3 , trifluoromethyl group, and OCF 3 , a phenyl group unsubstituted or substituted with a methoxy group or trimethylsilyl group; Biphenyl group; Naphthyl group; Dimethyl fluorenyl group; Dimethylbenzofluorenyl group; Dibenzofuran group unsubstituted or substituted with deuterium, methyl group, isopropyl group, t-butyl group, CD 3 , trimethylsilyl group, phenyl group and phenyl group substituted with deuterium; Naphthobenzofuran group; Dibenzothiophene group unsubstituted or substituted with deuterium, methyl group, is
- -N (-L2-Ar11) (-L3-Ar12) and -N (-L4-Ar13) (-L5-Ar14) of Formula 1 are the same as each other.
- Formula 1 is represented by the following formula (2).
- Formula 1 may be any one selected from the following compounds.
- the compound represented by Formula 1 may be prepared in the core structure as shown in the general formula (1).
- 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.
- Substituents may be bonded as in Formula 1, but is not limited thereto.
- Ar11 to Ar14 is the same as defined in the formula (1).
- L2 to L5 are not represented in the general formula 1, a desired compound can be obtained by using a reactant substituted with L2 to L5.
- the first electrode A second electrode provided to face the first electrode; And at least one organic material layer provided between the first electrode and the second electrode, wherein at least one of the organic material layers includes the compound described above.
- the organic material layer of the organic light emitting device of the present specification may be formed of a single layer structure, but may be formed of a multilayer structure in which two or more organic material layers are stacked.
- the organic light emitting device of the present invention may have a structure including a hole injection layer, a hole transport layer, an electron blocking layer, a light emitting layer, a hole blocking layer, an electron transport layer, an electron injection layer and the like as an organic material layer.
- the structure of the organic light emitting device is not limited thereto and may include fewer or more organic layers.
- the 'layer' is a meaning compatible with the 'film' mainly used in the art, and means a coating covering the desired area.
- the size of the 'layer' is not limited, and each 'layer' may have the same size or different. In one embodiment, the size of the 'layer' may be the same as the entire device, may correspond to the size of a particular functional region, and may be as small as a single sub-pixel.
- the meaning that a particular A material is included in the B layer means that i) one or more A materials are included in one B layer, and ii) the B layer is composed of one or more layers, and the A material is a multilayer B. It includes all contained in one or more layers.
- the meaning that a specific A material is included in the C layer or the D layer means that i) is included in at least one layer of at least one C layer, ii) is contained in at least one layer of at least one D layer, or iii ) It means all included in each of one or more layers C and one or more layers D.
- the structure of the organic light emitting device of the present specification may have a structure as shown in FIGS. 1 to 4, but is not limited thereto.
- 1 illustrates a structure of an organic light emitting device in which an anode 2, a light emitting layer 3, and a cathode 4 are sequentially stacked on a substrate 1.
- 1 is an exemplary structure of an organic light emitting device according to an exemplary embodiment of the present specification, and may further include another organic material layer. In such a structure, the compound of Formula 1 may be included in the light emitting layer.
- 2 shows an organic light emitting diode in which an anode 2, a hole injection layer 5, a hole transport layer 6, a light emitting layer 3, an electron injection and transport layer 7 and a cathode 4 are sequentially stacked on a substrate 1.
- the structure of the device is illustrated. 2 is an exemplary structure according to an exemplary embodiment of the present specification, and may further include another organic material layer.
- the compound of Formula 1 may be included in a hole injection layer, a hole transport layer, a light emitting layer, or an electron injection and transport layer.
- 3 shows the anode 2, the hole injection layer 5, the hole transport layer 6, the electron blocking layer 8, the light emitting layer 3, the electron injection and transport layer 7 and the cathode 4 on the substrate 1.
- the structure of this sequentially laminated organic light emitting element is illustrated.
- 3 is an exemplary structure according to an exemplary embodiment of the present specification, and may further include another organic material layer.
- the compound of Formula 1 may be included in a hole injection layer, a hole transport layer, an electron blocking layer, a light emitting layer or an electron injection and transport layer.
- 4 shows an anode 2, a hole injection layer 5, a hole transport layer 6, an electron blocking layer 8, a light emitting layer 3, a hole blocking layer 9, an electron injection and a transport layer on a substrate 1. 7) and the structure of the organic light emitting element in which the cathode 4 is sequentially stacked is illustrated.
- 4 is an exemplary structure according to an exemplary embodiment of the present specification, and may further include another organic material layer.
- the compound of Formula 1 may be included in a hole injection layer, a hole transport layer, an electron blocking layer, a light emitting layer, a hole blocking layer or an electron injection and transport layer.
- the organic material layer includes a hole injection layer, a hole transport layer or an electron blocking layer, and the hole injection layer, the hole transport layer or the electron blocking layer includes the compound represented by Chemical Formula 1.
- the organic material layer includes a light emitting layer, and the light emitting layer includes a compound represented by Chemical Formula 1.
- the organic material layer includes a light emitting layer, and the light emitting layer includes the compound represented by Formula 1 as a dopant of the light emitting layer.
- An organic light emitting diode includes a light emitting layer, and the light emitting layer includes a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula H.
- L21 and L22 are the same as or different from each other, and each independently a direct bond; Substituted or unsubstituted arylene group; Or a substituted or unsubstituted heteroarylene group,
- R31 to R38 are the same as or different from each other, and each independently hydrogen; heavy hydrogen; Substituted or unsubstituted alkyl group; A substituted or unsubstituted cycloalkyl group; Substituted or unsubstituted silyl group; Substituted or unsubstituted phosphine oxide group; Substituted or unsubstituted aryl group; Or a substituted or unsubstituted heteroaryl group,
- Ar101 and Ar102 are the same as or different from each other, and each independently a substituted or unsubstituted aryl group; Or a substituted or unsubstituted heteroaryl group.
- L21 and L22 are the same as or different from each other, and each independently a direct bond; A substituted or unsubstituted arylene group having 6 to 30 carbon atoms; Or a substituted or unsubstituted heteroarylene group having 2 to 30 carbon atoms containing N, O, or S.
- L21 and L22 are the same as or different from each other, and each independently a direct bond; Substituted or unsubstituted phenylene group; Substituted or unsubstituted naphthylene group; Or a substituted or unsubstituted thiophenylene group.
- Ar101 and Ar102 are the same as or different from each other, and each independently a substituted or unsubstituted aryl group having 6 to 50 carbon atoms; Or a substituted or unsubstituted heteroaryl group having 2 to 50 carbon atoms.
- Ar101 and Ar102 are the same as or different from each other, and are each independently a substituted or unsubstituted monocyclic to tetracyclic aryl group; Or a substituted or unsubstituted monocyclic to tetracyclic group.
- Ar101 and Ar102 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 naphthyl group; Substituted or unsubstituted anthracene group; Substituted or unsubstituted phenanthryl group; Substituted or unsubstituted phenylene group; A substituted or unsubstituted fluorenyl group; Substituted or unsubstituted benzofluorenyl group; Substituted or unsubstituted furan group; Substituted or unsubstituted thiophene group; Substituted or unsubstituted dibenzofuran group; Substituted or un
- R31 to R38 are hydrogen.
- Chemical Formula H is any one selected from the following compounds.
- the organic light emitting device includes a light emitting layer, and the light emitting layer includes the compound represented by Chemical Formula 1 as a dopant of the light emitting layer, and the compound represented by Chemical Formula H as a host of the light emitting layer.
- the content of the compound represented by Formula 1 is 0.01 part by weight to 30 parts by weight; 0.1 parts by weight to 20 parts by weight; Or 0.5 parts by weight to 10 parts by weight.
- the emission layer may further include one host material in addition to the compound represented by Formula H.
- the host material (mixed host compound) further included includes a condensed aromatic ring derivative or a hetero ring-containing compound.
- the condensed aromatic ring derivatives include anthracene derivatives, pyrene derivatives, naphthalene derivatives, pentacene derivatives, phenanthrene compounds, and fluoranthene compounds
- the heterocyclic containing compounds include dibenzofuran derivatives, ladder type furan compounds, Pyrimidine derivatives and the like, but is not limited thereto.
- the weight ratio of the compound represented by Formula H and the mixed host compound is 95: 5 to 5:95, more preferably 30:70 to 70:30.
- the light emitting layer includes one or two or more compounds represented by Formula (H).
- the light emitting layer including the compound represented by Formula 1 and the compound represented by Formula H is blue.
- the organic light emitting device includes two or more light emitting layers, and at least one of the two or more light emitting layers includes the compound represented by Chemical Formula 1 and the compound represented by Chemical Formula H.
- the light emitting layer including the compound represented by Chemical Formula 1 and the compound represented by Chemical Formula H is blue, and the light emitting layer not including the compound represented by Chemical Formula 1 and the compound represented by Chemical Formula H is blue, which is known in the art. It can include a red or green light emitting compound.
- the organic material layer includes a hole blocking layer, an electron transport layer, an electron injection layer or an electron injection and transport layer, and the hole blocking layer, an electron transport layer, an electron injection layer or an electron injection and transport layer is represented by the chemical formula The compound represented by 1 is included.
- the organic material layer may further include one or more layers selected from the group consisting of a hole injection layer, a hole transport layer, an electron blocking layer, a hole blocking layer, an electron transport layer and an electron injection layer.
- the organic light emitting device of the present specification may be manufactured by materials and methods known in the art, except that at least one layer of the organic material layer includes the compound of the present specification, that is, the compound represented by Chemical Formula 1.
- the organic material layers may be formed of the same material or different materials.
- the organic light emitting device of the present specification may be manufactured by sequentially stacking a first electrode, an organic material layer, and a second electrode on a substrate.
- PVD physical vapor deposition
- sputtering e-beam evaporation
- a metal or conductive metal oxide or an alloy thereof on the substrate
- It can be prepared by forming a first electrode, forming an organic material layer including a hole injection layer, a hole transport layer, a light emitting layer and an electron transport layer thereon, and then depositing a material that can be used as a second electrode thereon.
- an organic light emitting device may be manufactured by sequentially depositing a second electrode material, an organic material layer, and a first electrode material on a substrate.
- the compound represented by Chemical Formula 1 may be formed as an organic material layer by a solution coating method as well as a vacuum deposition method in the manufacture of the organic light emitting device.
- the solution coating method means spin coating, dip coating, doctor blading, inkjet printing, screen printing, spray method, roll coating, etc., but is not limited thereto.
- the first electrode is an anode
- the second electrode is a cathode
- the first electrode is a cathode
- the second electrode is an anode
- the anode material a material having a large work function is usually preferred to facilitate hole injection into the organic material layer.
- the positive electrode material that can be used in the present invention include metals such as vanadium, chromium, copper, zinc and gold or alloys thereof; Metal oxides such as zinc oxide, indium oxide, indium tin oxide (ITO), indium zinc oxide (IZO); ZnO: Al or SnO 2 : Combination of metals and oxides such as Sb; Conductive polymers such as poly (3-methylthiophene), poly [3,4- (ethylene-1,2-dioxy) thiophene] (PEDOT), polypyrrole and polyaniline, and the like, but are not limited thereto.
- the cathode material is a material having a small work function to facilitate electron injection into the organic material layer.
- the negative electrode material include metals such as magnesium, calcium, sodium, potassium, titanium, indium, yttrium, lithium, gadolinium, aluminum, silver, tin and lead or alloys thereof; Multilayer structure materials such as LiF / Al or LiO 2 / Al, Mg / Ag, and the like, but are not limited thereto.
- the hole injection layer is a layer for injecting holes from an electrode with a hole injection material, and has a capability of transporting holes with a hole injection material, and thus has a hole injection effect at an anode, and an excellent hole injection effect with respect to a light emitting layer or a light emitting material.
- generated in the light emitting layer to the electron injection layer or the electron injection material, and is excellent in thin film formation ability is preferable.
- the highest occupied molecular orbital (HOMO) of the hole injection material is between the work function of the positive electrode material and the HOMO of the surrounding organic material layer.
- hole injection material examples include metal porphyrin, oligothiophene, arylamine-based organic material, hexanitrile hexaazatriphenylene-based organic material, quinacridone-based organic material, and perylene-based Organic materials, anthraquinone, and polyaniline and polythiophene-based conductive polymers, but are not limited thereto.
- the hole injection layer is doped with hexanitrile hexaazatriphenylene-based organic material to the arylamine-based organic material.
- the hole transport layer is a layer that receives holes from the hole injection layer and transports holes to the light emitting layer.
- the hole transport material is a material capable of transporting holes from the anode or the hole injection layer to the light emitting layer.
- the material is suitable. Specific examples thereof include an arylamine-based organic material, a conductive polymer, and a block copolymer having a conjugated portion and a non-conjugated portion, but are not limited thereto.
- the light emitting material of the light emitting layer is a material capable of emitting light in the visible region by transporting and combining holes and electrons from the hole transporting layer and the electron transporting layer, respectively, and a material having good quantum efficiency with respect to fluorescence or phosphorescence is preferable.
- Specific examples thereof include 8-hydroxyquinoline aluminum complex (Alq 3 ); Carbazole series compounds; Dimerized styryl compounds; BAlq; 10-hydroxybenzoquinoline-metal compound; Benzoxazole, benzothiazole and benzoimidazole series compounds; Poly (p-phenylenevinylene) (PPV) -based polymers; Spiro compounds; Polyfluorene, rubrene and the like, but are not limited thereto.
- the light emitting layer may include a host material and a dopant material.
- the host material is a condensed aromatic ring derivative or a hetero ring-containing compound.
- the condensed aromatic ring derivatives include anthracene derivatives, pyrene derivatives, naphthalene derivatives, pentacene derivatives, phenanthrene compounds, and fluoranthene compounds
- heterocyclic-containing compounds include carbazole derivatives, dibenzofuran derivatives and ladder types. Furan compounds, pyrimidine derivatives, and the like, but are not limited thereto.
- the dopant material examples include aromatic amine derivatives, styrylamine compounds, boron complexes, fluoranthene compounds, and metal complexes.
- the aromatic amine derivatives include condensed aromatic ring derivatives having a substituted or unsubstituted arylamino group, and include pyrene, anthracene, chrysene, and periplanthene having an arylamino group, and a styrylamine compound may be substituted or unsubstituted.
- At least one arylvinyl group is substituted with the substituted arylamine, and one or two or more substituents selected from the group consisting of an aryl group, a silyl group, an alkyl group, a cycloalkyl group and an arylamino group are substituted or unsubstituted.
- substituents selected from the group consisting of an aryl group, a silyl group, an alkyl group, a cycloalkyl group and an arylamino group are substituted or unsubstituted.
- the metal complex includes, but is not limited to, an iridium complex, a platinum complex, and the like.
- the electron transporting material of the electron transporting layer is a layer for receiving electrons from the electron injection layer and transporting electrons to the light emitting layer.
- the electron transporting material is a material capable of injecting electrons well from the cathode and transferring them to the light emitting layer. This large material is suitable. Specific examples thereof include Al complexes of 8-hydroxyquinoline; Complexes including Alq 3 ; Organic radical compounds; Hydroxyflavone-metal complexes and the like, but are not limited thereto.
- the electron transport layer can be used with any desired cathode material as used according to the prior art.
- suitable cathode materials are conventional materials having a low work function followed by an aluminum or silver layer. Specifically cesium, barium, calcium, ytterbium and samarium, followed by an aluminum layer or silver layer in each case.
- the electron injection layer is a layer that injects electrons from an electrode, has an ability of transporting electrons, has an electron injection effect from a cathode, an electron injection effect with respect to a light emitting layer or a light emitting material, and hole injection of excitons generated in the light emitting layer.
- the compound which prevents the movement to a layer and is excellent in thin film formation ability is preferable.
- fluorenone anthraquinodimethane, diphenoquinone, thiopyran dioxide, oxazole, oxadiazole, triazole, imidazole, perylenetetracarboxylic acid, preorenylidene methane, anthrone and the derivatives thereof, metal Complex compounds, nitrogen-containing five-membered ring derivatives, and the like, but are not limited thereto.
- Examples of the metal complex compound include 8-hydroxyquinolinato lithium, bis (8-hydroxyquinolinato) zinc, bis (8-hydroxyquinolinato) copper, bis (8-hydroxyquinolinato) manganese, Tris (8-hydroxyquinolinato) aluminum, tris (2-methyl-8-hydroxyquinolinato) aluminum, tris (8-hydroxyquinolinato) gallium, bis (10-hydroxybenzo [h] Quinolinato) beryllium, bis (10-hydroxybenzo [h] quinolinato) zinc, bis (2-methyl-8-quinolinato) chlorogallium, bis (2-methyl-8-quinolinato) ( o-cresolato) gallium, bis (2-methyl-8-quinolinato) (1-naphtolato) aluminum, bis (2-methyl-8-quinolinato) (2-naphtolato) gallium, It is not limited to this.
- the electron blocking layer is a layer that prevents electrons injected from the electron injection layer from passing through the light emitting layer and into the hole injection layer, thereby improving lifetime and efficiency of the device.
- Known materials can be used without limitation, and can be formed between the light emitting layer and the hole injection layer, or between the light emitting layer and the layer simultaneously performing hole injection and hole transport.
- the hole blocking layer is a layer which blocks the reaching of the cathode of the hole, and may generally be formed under the same conditions as the electron injection layer. Specifically, there are oxadiazole derivatives, triazole derivatives, phenanthroline derivatives, aluminum complexes, and the like, but are not limited thereto.
- the organic light emitting device may be a top emission type, a bottom emission type, or a double side emission type according to a material used.
- Compound A of the present invention was synthesized through the Buchwald-Hartwig coupling reaction using Compound A.
- a glass substrate coated with a thin film of ITO (indium tin oxide) at a thickness of 1,000 ⁇ was placed in distilled water in which detergent was dissolved and ultrasonically cleaned.
- ITO indium tin oxide
- Fischer Co. was used as a detergent
- distilled water was filtered secondly as a filter of Millipore Co. as a distilled water.
- ultrasonic washing was performed twice with distilled water for 10 minutes.
- ultrasonic washing with a solvent of isopropyl alcohol, acetone, methanol dried and transported to a plasma cleaner.
- the substrate was cleaned for 5 minutes using an oxygen plasma, and then the substrate was transferred to a vacuum evaporator.
- the following HI-1 compound was formed to a thickness of 1150 kPa as a hole injection layer on the thus prepared ITO transparent electrode, but the following A-1 compound was p-doped at a concentration of 1.5 wt%.
- the following HT-1 compound was vacuum deposited on the hole injection layer to form a hole transport layer having a film thickness of 800 kPa.
- the following EB-1 compound was vacuum deposited on the hole transport layer to form a electron blocking layer.
- a BH-1 compound was deposited on the electronic blocking layer as a host, and compound 1 was vacuum deposited using a dopant at a weight ratio of 98: 2 (host: dopant) to form a blue light emitting layer having a thickness of 200 kHz.
- a hole blocking layer was formed by vacuum depositing the following HB-1 compound on the light emitting layer with a film thickness of 30 GPa.
- the following ET-1 compound and the following LiQ compound were vacuum deposited on the hole blocking layer at a weight ratio of 2: 1 to form an electron injection and transport layer at a thickness of 300 Pa.
- lithium fluoride (LiF) and aluminum were deposited in a thickness of 12 ⁇ in order to form a cathode.
- the deposition rate of the organic material was maintained at 0.4 kW / sec to 0.7 kW / sec, the lithium fluoride at the cathode was maintained at 0.3 kW / sec, and the aluminum maintained at 2 kW / sec.
- the organic light-emitting device was manufactured by maintaining the x 10 -7 torr to 5 x 10 -6 torr.
- An organic light-emitting device was manufactured in the same manner as in Example 1, except that the compound shown in Table 1 was used instead of the compound 1 in the organic light-emitting device of Example 1.
- An organic light-emitting device was manufactured in the same manner as in Example 1, except that the compound shown in Table 1 was used instead of the compound 1 in the organic light-emitting device of Example 1.
- the organic light emitting diodes of Examples 1 to 10 and Comparative Examples 1 to 9 measured driving voltage, luminous efficiency, and color coordinates at a current density of 10 mA / cm 2 , and 95% of the initial luminance at a current density of 20 mA / cm 2 .
- the time to become (LT95) was measured. The results are shown in Table 1 below.
- Example 1 Compound 1 4.6 5.8 175
- Example 2 Compound 2 4.4 6.0 179
- Example 3 Compound 3 4.6 5.9 156
- Example 4 Compound 4 4.5 5.8 157
- Example 5 Compound 5 4.7 6.1 185
- Example 6 Compound6 4.3 5.7 191
- Example 7 Compound7 4.5 5.8 173
- Example 10 Compound 10 4.4 6.1 181 Comparative Example 1 C-1 4.8 4.9 84 Comparative Example 2 C-2 5.0 5.7 81 Comparative Example 3 C-3 5.0 4.1 137 Comparative Example 4 C-4 5.1 4.5 105 Comparative Example 5 C-5 4.8 4.9 60 Comparative Example 6 C-6 4.9 4.8 97 Comparative Example 7 C-7 4.6 5.0 84 Comparative Example 8
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CN113841264B (zh) * | 2019-11-29 | 2023-08-15 | 株式会社Lg化学 | 有机发光元件 |
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KR20190116948A (ko) | 2019-10-15 |
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