WO2019168358A1 - 화합물, 유기 발광 소자 및 표시 장치 - Google Patents
화합물, 유기 발광 소자 및 표시 장치 Download PDFInfo
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- WO2019168358A1 WO2019168358A1 PCT/KR2019/002398 KR2019002398W WO2019168358A1 WO 2019168358 A1 WO2019168358 A1 WO 2019168358A1 KR 2019002398 W KR2019002398 W KR 2019002398W WO 2019168358 A1 WO2019168358 A1 WO 2019168358A1
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- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000002183 isoquinolinyl group Chemical group C1(=NC=CC2=CC=CC=C12)* 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 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
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- YPJRZWDWVBNDIW-MBALSZOMSA-N n,n-diphenyl-4-[(e)-2-[4-[4-[(e)-2-[4-(n-phenylanilino)phenyl]ethenyl]phenyl]phenyl]ethenyl]aniline Chemical group C=1C=C(N(C=2C=CC=CC=2)C=2C=CC=CC=2)C=CC=1/C=C/C(C=C1)=CC=C1C(C=C1)=CC=C1\C=C\C(C=C1)=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 YPJRZWDWVBNDIW-MBALSZOMSA-N 0.000 description 1
- IBHBKWKFFTZAHE-UHFFFAOYSA-N n-[4-[4-(n-naphthalen-1-ylanilino)phenyl]phenyl]-n-phenylnaphthalen-1-amine Chemical group C1=CC=CC=C1N(C=1C2=CC=CC=C2C=CC=1)C1=CC=C(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C3=CC=CC=C3C=CC=2)C=C1 IBHBKWKFFTZAHE-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
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([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
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 150000002790 naphthalenes Chemical class 0.000 description 1
- 125000001624 naphthyl group Chemical group 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
- 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
- 125000002524 organometallic group Chemical group 0.000 description 1
- 125000001715 oxadiazolyl group Chemical group 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- 229960003540 oxyquinoline Drugs 0.000 description 1
- 150000002964 pentacenes Chemical class 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
- 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
- 150000002987 phenanthrenes Chemical class 0.000 description 1
- 125000005561 phenanthryl group Chemical group 0.000 description 1
- 125000001484 phenothiazinyl group Chemical group C1(=CC=CC=2SC3=CC=CC=C3NC12)* 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000005424 photoluminescence Methods 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
- 239000002861 polymer material Substances 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
- 238000007639 printing Methods 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 125000003373 pyrazinyl group Chemical group 0.000 description 1
- 150000003220 pyrenes Chemical class 0.000 description 1
- 125000001725 pyrenyl group Chemical group 0.000 description 1
- PBMFSQRYOILNGV-UHFFFAOYSA-N pyridazine Chemical group C1=CC=NN=C1 PBMFSQRYOILNGV-UHFFFAOYSA-N 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
- 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
- 230000027756 respiratory electron transport chain Effects 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
- 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
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000243 solution Substances 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
- 238000003860 storage Methods 0.000 description 1
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000010345 tape casting Methods 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
- 125000001113 thiadiazolyl group Chemical group 0.000 description 1
- 125000000335 thiazolyl group Chemical group 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
- 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
- 150000003852 triazoles Chemical class 0.000 description 1
- 238000007738 vacuum evaporation 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
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 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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- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
-
- C—CHEMISTRY; METALLURGY
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
- C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D251/14—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hydrogen or carbon atoms directly attached to at least one ring carbon atom
- C07D251/24—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hydrogen or carbon atoms directly attached to at least one ring carbon atom to three ring carbon atoms
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- C07—ORGANIC CHEMISTRY
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- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/10—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing aromatic rings
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
- C07D495/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D495/04—Ortho-condensed systems
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
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- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
- H10K59/1213—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements the pixel elements being TFTs
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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
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- H10K85/649—Aromatic compounds comprising a hetero atom
- H10K85/654—Aromatic compounds comprising a hetero atom comprising only nitrogen as heteroatom
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- H10K85/649—Aromatic compounds comprising a hetero atom
- H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
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- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/649—Aromatic compounds comprising a hetero atom
- H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
- H10K85/6572—Polycyclic condensed heteroaromatic hydrocarbons comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole
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- H10K50/00—Organic light-emitting devices
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- H10K50/14—Carrier transporting layers
- H10K50/15—Hole transporting layers
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- H10K50/14—Carrier transporting layers
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
Definitions
- a compound, an organic light emitting element, and an organic EL display device of the present invention A compound, an organic light emitting element, and an organic EL display device of the present invention.
- 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 formed 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 and an electron injection layer.
- organometallic complexes having excellent stability to electrons and an electron transfer speed as organic monomolecular materials are preferable.
- Alq 3 having excellent stability and high electron affinity has been reported to be the most excellent, but when used in a blue light emitting device, there is a problem in that color purity is lowered due to emission due to exciton diffusion. That is, when the holes move faster than the electrons and the excitons generated in the light emitting layer pass to the electron transport layer, the resulting light unbalance in the light emitting layer causes light emission at the electron transport layer interface.
- flavone derivatives flavone derivatives, germanium and silicon chloropetadiene derivatives are known.
- organic monomolecular substance PBD (2-biphenyl-4-yl-5- (4-t-butylphenyl) -1,3,4-oxadiazole) derivative bonded to a spiro compound and hole blocking ability
- TPBI 2,2 ', 2 "-(benzene-1,3,5-triyl) -tris (1-phenyl-1H-benzimidazole), which possess both excellent electron transport capabilities.
- benzoimidazole Derivatives are widely known for their excellent durability.
- an organic light emitting device using such a material as an electron transport layer has a short light emission life, low storage durability and reliability, and there is a need for improvement in terms of efficiency and driving voltage.
- An object of the present invention is to provide an organic light emitting device having a high efficiency and a low driving voltage and a display device using the same through a compound having high electron mobility and excellent hole blocking ability.
- a 1 is a group represented by any one of the following structures
- L is a direct bond; Substituted or unsubstituted arylene group; Or a substituted or unsubstituted heteroarylene group; Or a substituted or unsubstituted C 9 to C 60 condensed polycyclic group,
- a 2 is hydrogen; heavy hydrogen; Halogen group; Nitrile group; Nitro group; Hydroxyl group; Carbonyl group; Ester group; Imide group; Amino group; Substituted or unsubstituted silyl group; Substituted or unsubstituted boron group; Substituted or unsubstituted alkyl group; Substituted or unsubstituted alkyl sulfoxy group; Substituted or unsubstituted aryl sulfoxy group; Substituted or unsubstituted alkenyl group; A substituted or unsubstituted aralkyl group; Substituted or unsubstituted aralkenyl group; Substituted or unsubstituted alkylaryl group; Substituted or unsubstituted alkylamine group; A substituted or unsubstituted aralkylamine group; Substituted or un
- the compounds of the present invention have high electron mobility and are excellent in hole blocking ability.
- the organic light emitting device using the compound of the present invention as an organic layer has high efficiency and low driving voltage.
- FIG. 1 is an exemplary view of an organic light emitting device according to an embodiment of the present invention.
- halo or halogen as used herein is fluorine (F), bromine (Br), chlorine (Cl) or iodine (I) unless otherwise indicated.
- alkyl or “alkyl group” has a single bond of 1 to 60 carbon atoms, unless otherwise specified, and is a straight chain alkyl group, a branched chain alkyl group, a cycloalkyl (alicyclic) group, or an alkyl-substituted group.
- radicals of saturated aliphatic functional groups including cycloalkyl groups, cycloalkyl-substituted alkyl groups.
- alkyl group 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, octyl, n-octyl, tert-octyl, 1-methylheptyl, 2-ethylhexyl
- heteroalkyl group means that at least one of the carbon atoms constituting the alkyl group has been replaced with a heteroatom.
- alkenyl group or “alkynyl group”, unless stated otherwise, has a double or triple bond of 2 to 60 carbon atoms, and includes a straight or branched chain group, and is not limited thereto. It is not.
- Specific examples include vinyl, 1-propenyl, isopropenyl, 1-butenyl, 2-butenyl, 3-butenyl, 1-pentenyl, 2-pentenyl, 3-pentenyl, 3-methyl-1- Butenyl, 1,3-butadienyl, allyl, 1-phenylvinyl-1-yl, 2-phenylvinyl-1-yl, 2,2-diphenylvinyl-1-yl, 2-phenyl-2- ( Naphthyl-1-yl) vinyl-1-yl, 2,2-bis (diphenyl-1-yl) vinyl-1-yl, stilbenyl group, styrenyl group and the like, but are not limited thereto.
- cycloalkyl refers to alkyl forming a ring having 3 to 60 carbon atoms, without being limited thereto. 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.
- alkoxyl group means an alkyl group to which an oxygen radical is attached, and unless otherwise specified, has a carbon number of 1 to 60, and is limited herein. It is not.
- alkenoxyl group means an alkenyl group to which an oxygen radical is attached, and unless otherwise stated, it is 2 to 60 It has carbon number of, It is not limited to this.
- aryloxyl group or “aryloxy group” means an aryl group to which an oxygen radical is attached, and unless otherwise specified, has a carbon number of 6 to 60, but is not limited thereto.
- aryl group and “arylene group” have a carbon number of 6 to 60 unless otherwise stated, but is not limited thereto.
- an aryl group or an arylene group means an aromatic of a single ring or multiple rings, and includes an aromatic ring formed by neighboring substituents participating in a bond or a reaction.
- the aryl group may include, but is not limited to, a single ring aryl group, a phenyl group, a biphenyl group, a terphenyl group, and as a multicyclic aryl group, a naphthyl group, anthracenyl group, phenanthryl group, pyrenyl group, perylenyl group, It may include, but is not limited to, a chrysenyl group, a fluorenyl group, and a spirofluorene group.
- the fluorenyl group may be substituted, and two substituents may be bonded to each other to form a spiro structure.
- the fluorenyl group When the fluorenyl group is substituted, it may have a structure as follows, but is not limited thereto.
- aryl or "ar” means a radical substituted with an aryl group.
- an arylalkyl group is an alkyl group substituted with an aryl group
- an arylalkenyl group is an alkenyl group substituted with an aryl group
- the radical substituted with an aryl group has the carbon number described herein.
- an arylalkoxy group means an alkoxy group substituted with an aryl group
- an alkoxylcarbonyl group means a carbonyl group substituted with an alkoxyl group
- an arylcarbonylalkenyl group means an alkenyl group substituted with an arylcarbonyl group.
- the arylcarbonyl group is a carbonyl group substituted with an aryl group.
- heteroaryl group or “heteroarylene group” means an aryl group or arylene group having 2 to 60 carbon atoms, each containing one or more heteroatoms, unless otherwise specified. It may include at least one of a single ring and multiple rings, and may be formed by combining adjacent functional groups.
- heterocyclic group includes one or more heteroatoms, unless otherwise indicated, and has from 2 to 60 carbon atoms, and includes at least one of single and multiple rings, heteroaliphatic rings and hetero Aromatic rings are included. Adjacent functional groups may be formed in combination.
- Heteroatom refers to N, O, S, P or Si unless otherwise stated.
- Heterocyclic groups may also include rings comprising SO 2 in place of the carbon forming the ring.
- heterocyclic group examples include thiophene group, furan group, pyrrole group, imidazole group, thiazole group, oxazole group, oxadiazole group, triazole group, pyridyl group, bipyridyl group, pyrimidyl group,
- Triazine group Triazole group, acridil group, pyridazine group, pyrazinyl group, quinolinyl group, quinazoline group, quinoxalinyl group, phthalazinyl group, pyrido pyrimidinyl group, pyrido pyrazinyl group, pyrazinopyra Genyl group, isoquinoline group, indole group, carbazole group, benzoxazole group, benzoimidazole group, benzothiazole group, benzocarbazole group, benzothiophene group, dibenzothiophene group, benzofuranyl group, phenanthroline group (phenanthroline group) ), Thiazolyl group, isooxazolyl group, oxadiazolyl group, thiadiazolyl group, benzothiazolyl group, phenothiazinyl group and dibenzofuranyl group, but are not limited thereto.
- aliphatic as used herein means an aliphatic hydrocarbon having 1 to 60 carbon atoms
- aliphatic ring means an aliphatic hydrocarbon ring having 3 to 60 carbon atoms.
- ring refers to a fused ring consisting of an aliphatic ring having 3 to 60 carbon atoms, an aromatic ring having 6 to 60 carbon atoms, a hetero ring having 2 to 60 carbon atoms, or a combination thereof. Saturated or unsaturated rings.
- heterocompounds or heteroradicals other than the aforementioned heterocompounds include, but are not limited to, one or more heteroatoms.
- carbonyl used in the present invention is represented by -COR ', wherein R' is hydrogen, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, and 3 to 30 carbon atoms. Cycloalkyl group, an alkenyl group having 2 to 20 carbon atoms, an alkynyl group having 2 to 20 carbon atoms, or a combination thereof.
- ether as used herein is represented by -RO-R ', wherein R or R' are each independently of each other hydrogen, an alkyl group having 1 to 20 carbon atoms, It is an aryl group, a C3-C30 cycloalkyl group, a C2-C20 alkenyl group, a C2-C20 alkynyl group, or a combination thereof.
- substituted in the term “substituted or unsubstituted” as used in the present invention is deuterium, halogen, amino group, nitrile group, nitro group, C 1 ⁇ C 20 alkyl group, C 1 ⁇ C 20 alkoxyl group, C 1 ⁇ C 20 alkylamine group, C 1 ⁇ C 20 alkylthiophene group, C 6 ⁇ C 20 arylthiophene group, C 2 ⁇ C 20 alkenyl group, C 2 ⁇ C 20 alkynyl, C 3 ⁇ C 20 cycloalkyl group, C 6 ⁇ C 20 aryl group, of a C 6 ⁇ C 20 substituted by deuterium aryl group, a C 8 ⁇ C 20 aryl alkenyl group, a silane group, a boron Group, germanium group, and C 2 ⁇ C 20 It is meant to be substituted with one or more substituents selected from the group consist
- the substituent R 1 when a is an integer of 0, the substituent R 1 is absent, when a is an integer of 1, one substituent R 1 is bonded to any one of carbons forming the benzene ring, and a is an integer of 2 or 3 are each bonded as follows, where R 1 may be the same or different from each other, and when a is an integer from 4 to 6, it is bonded to the carbon of the benzene ring in a similar manner, while the indication of hydrogen bonded to the carbon forming the benzene ring Is omitted.
- FIG. 1 is an exemplary view of an organic light emitting device according to an embodiment of the present invention.
- the organic light emitting diode 100 includes the first electrode 120, the second electrode 180, the first electrode 110, and the second electrode 180 formed on the substrate 110.
- the organic material layer formed between the), the organic material layer comprises a compound according to the invention.
- the first electrode 120 may be an anode (anode)
- the second electrode 180 may be a cathode (cathode)
- the first electrode may be a cathode and the second electrode may be an anode.
- anode material a material having a large work function is preferable to facilitate the injection of holes into the organic material layer.
- anode materials that can be used in the present invention include metals such as vanadium, chromium, copper, zinc, gold or alloys thereof; Metal oxides such as zinc oxide, indium oxide, indium tin oxide (ITO), indium zinc oxide (IZO); 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 preferably a material having a small work function to facilitate electron injection into the organic material layer.
- the anode material include metals such as magnesium, calcium, sodium, potassium, titanium, indium, yttrium, lithium, gadolinium, aluminum, silver, tin and lead or alloys thereof; Multilayer structure materials such as LiF / Al or LiO 2 / Al, and the like, but are not limited thereto.
- the organic layer may include a hole injection layer 130, a hole transport layer 140, a light emitting layer 150, an electron transport layer 160, and an electron injection layer 170 on the first electrode 120 in sequence. In this case, at least some of the remaining layers except for the emission layer 150 may not be formed.
- the hole injection layer 130 is a layer that facilitates the injection of holes from the first electrode 120, and the hole injection material is preferably a compound having excellent hole injection effect from the anode and thin film formation ability.
- the highest occupied molecular orbital (HOMO) of the hole injection material is between the work function of the anode 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 substances, anthraquinone and polyaniline and polythiophene-based conductive polymers, but are not limited thereto.
- the hole transport layer 140 is a layer that receives holes from the hole injection layer 130 and transports holes to the light emitting layer 150.
- a material having high mobility to holes is suitable. Specific examples thereof include an arylamine-based organic material, a conductive polymer, and a block copolymer having a conjugated portion and a non-conjugated portion together, but are not limited thereto.
- the light emitting layer 150 emits light in the visible region by transporting and combining holes and electrons from the hole transport layer 140 and the electron transport layer 160, respectively, and the light emitting material has good quantum efficiency with respect to fluorescence or phosphorescence.
- the substance is preferred. Specific examples thereof include 8-hydroxyquinoline aluminum complex (Alq 3 ); Carbazole series compounds; Dimerized styryl compounds; BAlq; 10-hydroxybenzoquinoline-metal compound; Benzoxazole, benzthiazole and benzimidazole series compounds; Poly (p-phenylenevinylene) (PPV) -based polymers; Spiro compounds; Polyfluorene, rubrene and the like, but are not limited thereto.
- the light emitting layer 150 may include a host material and a dopant material.
- the host material is a condensed aromatic ring derivative or a heterocyclic 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 carbazole derivatives, dibenzofuran derivatives and ladder types. Furan compounds, pyrimidine derivatives, and the like, but are not limited thereto.
- Dopant materials include aromatic amine derivatives, strylamine compounds, boron complexes, fluoranthene compounds, metal complexes, and the like.
- 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 transport layer 160 is a layer that receives electrons from the electron injection layer 170 and transports electrons to the emission layer 150, and a material having high mobility to electrons is suitable as the electron transport material. Specific examples include Al complexes of 8-hydroxyquinoline; Complexes including Alq 3 ; Organic radical compounds; Hydroxyflavone-metal complexes and the like, but are not limited thereto. The electron transport material of the present invention will be described later.
- the electron injection layer 170 is a layer that facilitates the injection of electrons from the second electrode 180, a compound having the ability to transport electrons and excellent in the electron injection effect and the thin film formation ability from the cathode electrode Do. Specifically, fluorenone, anthraquinodimethane, diphenoquinone, thiopyran dioxide, oxazole, oxadiazole, triazole, imidazole, perylenetetracarboxylic acid, preorenylidene methane, anthrone and the like and 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 and tris (8-hydroxyquinolinato) aluminum, tris (2-methyl-8-hydroxyquinolinato) aluminum, tris (8-hydroxyquinolinato) gallium, bis (10-hydroxybenzo [h] qui Nolinato) 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-naphtholato) aluminum, bis (2-methyl-8-quinolinato) (2-naphtholato) gallium, and the like It is not limited.
- the organic material layer is a hole blocking layer, an electron blocking layer, a light emitting auxiliary layer 151, a buffer layer in addition to the hole injection layer 130, the hole transport layer 140, the light emitting layer 150, the electron transport layer 160, the electron injection layer 170. 141 may be further included, and the electron transport layer 160 may serve as a hole blocking layer.
- the organic light emitting diode according to the present invention may include a protective layer or a light efficiency improving layer formed on one surface of the first electrode 120 and the second electrode 180 opposite to the organic material layer. It may further include.
- the compound according to the present invention is used in an electron transport region such as an electron injection layer 170, an electron transport layer 160, a hole blocking layer, etc.
- an electron transport region such as an electron injection layer 170, an electron transport layer 160, a hole blocking layer, etc.
- the present invention is not limited thereto. It may also be used as a material for the hole transport region such as the layer 130, the hole transport layer 140, the host or the dopant of the light emitting layer 150, or the light efficiency improving layer.
- the organic electroluminescent device may be manufactured using a physical vapor deposition (PVD) method such as vacuum evaporation or sputtering.
- PVD physical vapor deposition
- the anode 120 is formed by depositing a metal or conductive metal oxide or an alloy thereof on a substrate, and thereon, a hole injection layer 130, a hole transport layer 140, a light emitting layer 150, and an electron transport layer ( After forming the organic layer including the 160 and the electron injection layer 170, it can be prepared by depositing a material that can be used as the cathode 180 thereon.
- the organic material layer is a solution or solvent process (e.g., spin coating process, nozzle printing process, inkjet printing process, slot coating process, dip coating process, roll-to-roll process, doctor blading) using various polymer materials. It can be produced in fewer layers by methods such as ding process, screen printing process, or thermal transfer method. Since the organic material layer according to the present invention may be formed in various ways, the scope of the present invention is not limited by the forming method.
- the organic light emitting device according to the present invention may be a top emission type, a bottom emission type or a double-sided emission type depending on the material used.
- WOLED White Organic Light Emitting Device
- Various structures for white organic light emitting devices mainly used as backlight devices have been proposed and patented. Representatively, a side-by-side method in which R (Red), G (Green), and B (Blue) light emitting parts are mutually planarized, and a stacking method in which R, G, and B light emitting layers are stacked up and down. And a color conversion material (CCM) method using photo-luminescence of an inorganic phosphor by using electroluminescence by a blue (B) organic light emitting layer and light therefrom. May also be applied to these WOLEDs.
- CCM color conversion material
- Another embodiment of the present invention may include a display device including the organic light-emitting device of the present invention described above, and an electronic device including a control unit for controlling the display device.
- the electronic device may be a current or future wired or wireless communication terminal, and includes all electronic devices such as a mobile communication terminal such as a mobile phone, a PDA, an electronic dictionary, a PMP, a remote controller, a navigation device, a game machine, various TVs, and various computers.
- a 1 is a group represented by any one of the following structures
- L is a direct bond; Substituted or unsubstituted arylene group; Or a substituted or unsubstituted heteroarylene group; Or a substituted or unsubstituted C 9 to C 60 condensed polycyclic group,
- a 2 is hydrogen; heavy hydrogen; Halogen group; Nitrile group; Nitro group; Hydroxyl group; Carbonyl group; Ester group; Imide group; Amino group; Substituted or unsubstituted silyl group; Substituted or unsubstituted boron group; Substituted or unsubstituted alkyl group; Substituted or unsubstituted alkyl sulfoxy group; Substituted or unsubstituted aryl sulfoxy group; Substituted or unsubstituted alkenyl group; A substituted or unsubstituted aralkyl group; Substituted or unsubstituted aralkenyl group; Substituted or unsubstituted alkylaryl group; Substituted or unsubstituted alkylamine group; A substituted or unsubstituted aralkylamine group; Substituted or un
- L has the following structure, L 1 ⁇ L 3 are each independently a direct bond; Substituted or unsubstituted arylene group; Or a substituted or unsubstituted heteroarylene group; Or a substituted or unsubstituted C 9 to C 60 condensed polycyclic group.
- the compound of Formula 1 is any one of the following compounds.
- l, m, and n are each independently 0 or 1.
- a 2 is any one selected from the following structures.
- X 1 to X 3 are each independently C or N, at least one of X 1 to X 3 is N, and Ar 1 and Ar 2 are each independently hydrogen, deuterium, halogen, cyano, substituted or Unsubstituted C 1 to C 60 alkyl group, substituted or unsubstituted C 3 to C 10 cycloalkyl group, substituted or unsubstituted C 6 to C 60 aryl group, or substituted or unsubstituted C 1 to C 60 heteroaryl group to be.
- a 2 is represented by the following structural formula
- X 1 to X 3 are each independently C or N, at least one of X 1 to X 3 is N, and Ar 1 and Ar 2 are the same as or different from each other, and are each independently hydrogen, deuterium, a halogen group, a cyano group, a substituted or unsubstituted C1-C60 alkyl group of the ring, substituted or unsubstituted C3-C10 cycloalkyl group, substituted or unsubstituted C6-C60 aryl group, substituted or unsubstituted C6-C60 arylene group, or substituted or unsubstituted C1-C60 hetero Aryl group, Ar3 is hydrogen, deuterium, halogen group, cyano group, substituted or unsubstituted C1-C60 alkyl group, substituted or unsubstituted C3-C10 cycloalkyl group, substituted or unsubstituted C6-C60 aryl group, or
- the compound of Formula 1 is any one of the following compounds.
- the compound of Formula 1 is any one of the following compounds.
- the compound of Formula 1 is any one of the following compounds
- the first electrode A second electrode facing the first electrode; And an organic layer interposed between the first electrode and the second electrode, wherein the organic layer comprises the compound of Formula 1 described above.
- the first electrode is an anode
- the second electrode is a cathode
- the organic layer is i) a light emitting layer, ii) a hole injection layer interposed between the first electrode and the light emitting layer.
- a hole transport region including at least one of a hole transport layer and an electron blocking layer, and iii) an electron transport region interposed between the light emitting layer and the second electrode and including at least one of a hole blocking layer, an electron transport layer, and an electron injection layer.
- said electron transport region comprises a compound of Formula 1 above.
- the electron transport layer includes the compound of formula (1).
- a display device including the organic light emitting element, wherein the first electrode of the organic light emitting element is electrically connected to a source electrode or a drain electrode of the thin film transistor.
- 6-bromobenzo [j] phenanthridine (1 equiv) was dissolved in DMF in a round bottom flask, followed by addition of bis (pinacolato) diboron (1.1 equiv), Pd (dppf) Cl 2 (0.03 equiv) and KOAc (3 equiv) The mixture was refluxed at 130 ° C. for 4 hours. Upon completion of the reaction, DMF was removed by distillation and extracted with CH 2 Cl 2 and water.
- Compounds 1-1-2 to 1-1-5 can be synthesized by the same method as Compound 1-1-1, using cores 1-2 to 1-5.
- Compounds 2-1-2 to 2-1-4 can be synthesized in the same manner as for compounds 2-1-1, using cores 2-2 to 2-4.
- Compounds 2-2-2 to 2-2-4 can be synthesized in the same manner as for compounds 2-2-1, using cores 2-2 to 2-4.
- Compounds 2-2-6 to 2-2-8 can be synthesized in the same manner as for compounds 2-2-1, using cores 2-2 to 2-4.
- Compound 2-3-2 to 2-3-4 can be synthesize
- Compound 2-3-6 to 2-3-8 can be synthesize
- Compounds 2-3-10 to 2-3-12 can be synthesized in the same manner as Compound 2-3-9, using cores 2-2 to 2-4.
- Compounds 2-3-14 to 2-3-16 can be synthesized in the same manner as Compound 2-3-13, using cores 2-2 to 2-4.
- Compounds 2-4-2 to 2-4-4 can be synthesized in the same manner as for compounds 2-4-1, using cores 2-2 to 2-4.
- Compounds 2-4-6 to 2-4-8 can be synthesized in the same manner as for compounds 2-4-5, using cores 2-2 to 2-4.
- Compounds 2-4-10 to 2-4-12 can be synthesized in the same manner as for compounds 2-4-9, using cores 2-2 to 2-4.
- Compounds 2-4-14 to 2-4-16 can be synthesized in the same manner as for compounds 2-4-13, using cores 2-2 to 2-4.
- Compounds 2-4-18 to 2-4-20 can be synthesized in the same manner as for compounds 2-4-17, using cores 2-2 to 2-4.
- Compounds 2-4-22 to 2-4-24 can be synthesized in the same manner as for compounds 2-4-21, using cores 2-2 to 2-4.
- Compounds 2-4-26 to 2-4-28 can be synthesized in the same manner as for compounds 2-4-25, using cores 2-2 to 2-4.
- Compounds 2-4-30 to 2-4-32 can be synthesized in the same manner as for compounds 2-4-29, using cores 2-2 to 2-4.
- 6- (4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) benzo [h] quinoline (20 g, 65.54 mmol) dissolved in THF and then 4-bromo-4'-iodo- 1,1'-biphenyl (25.9 g, 72.1 mmol), Pd (PPh 3 ) 4 (2.3 g, 2.0 mmol), NaOH (7.9 g, 196.6 mmol), and reflux at 100 o C for 3 hours after addition of water Stir.
- the intermediate product 7- (3-bromophenyl) benzo [h] quinoline (17.9 g, 53.6 mmol) was dissolved in DMF in a round bottom flask, followed by bis (pinacolato) diboron (15 g 58.9 mmol), Pd (dppf) Cl 2 ( 1.2 g, 1.6 mmol) and KOAc (22.2 g, 138.2 mmol) were added and refluxed at 130 ° C. for 4 hours. Upon completion of the reaction, DMF was removed by distillation and extracted with CH 2 Cl 2 and water.
- the remaining compounds can be prepared in the same manner.
- Example 1 to 12 Green organic light emitting device To the electron transport layer Application example
- a glass substrate (corning 7059 glass) coated with ITO (Indium Tin Oxide) having a thickness of 1000 ⁇ was placed in distilled water in which a dispersant was dissolved, and ultrasonically washed. Fischer Co. products were used for the detergent, and Millipore Co. Secondly filtered distilled water was used as a filter of the product. After washing ITO for 30 minutes, ultrasonic washing was performed twice with distilled water for 10 minutes. After washing the distilled water, the ultrasonic washing in the order of isopropyl alcohol, acetone, methanol solvent and dried.
- ITO Indium Tin Oxide
- CBP 4,4'-N, N'-dicarbazole-biphenyl
- Ir (ppy) 3 tris (2-phenylpyridine) -iridium
- the mixture doped at 95: 5 weight was vacuum deposited to a thickness of 30 nm to form a light emitting layer.
- BAlq (1,1'-bisphenyl) -4-oleito) bis (2-methyl-8-quinoline oleito) aluminum
- BAlq (1,1'-bisphenyl) -4-oleito) bis (2-methyl-8-quinoline oleito) aluminum
- An organic light emitting diode was manufactured according to the same method as Experimental Example except for using the following ET1 instead of the compound represented by Formula 1 of the present invention as an electron transport layer material.
- An organic light emitting diode was manufactured according to the same method as Experimental Example except for using the following ET2 instead of the compound represented by Formula 1 of the present invention as an electron transport layer material.
- Electron transport layer Driving voltage (V) Current efficiency (cd / A) Luminous color Example 1 Compound 1-1-1 5.1 40.1 green Example 2 Compound 1-1-2 5.2 39.5 green Example 3 Compound 1-1-3 5.1 40.0 green Example 4 Compound 1-1-4 5.3 39.2 green Example 5 Compound 1-1-5 5.2 39.9 green Example 6 Compound 1-2-2 5.3 38.9 green Example 7 Compound 1-3-3 5.2 39.3 green Example 8 Compound 1-4-4 5.2 39.7 green Example 9 Compound 2-1-1 5.2 40.0 green Example 10 Compound 2-2-2 5.4 39.5 green Example 11 Compound 2-3-3 5.5 39.2 green Example 12 Compound 2-4-4 5.3 39.6 green Comparative Example 1 ET1 6.2 23.7 green Comparative Example 2 ET2 5.9 28.3 green
- the green organic light emitting device (OLED) using the compounds of the present invention is used as an electron transport layer material, the driving voltage and high efficiency than the conventionally used Alq 3 ET1 and ET2 Indicated.
- Example 13-24 Blue organic light emitting device To the electron transport layer Application example .
- a glass substrate (corning 7059 glass) coated with ITO (Indium Tin Oxide) having a thickness of 1000 ⁇ was placed in distilled water in which a dispersant was dissolved, and ultrasonically washed. Fischer Co. products were used for the detergent, and Millipore Co. Secondly filtered distilled water was used as a filter of the product. After washing ITO for 30 minutes, ultrasonic washing was performed twice with distilled water for 10 minutes. After washing the distilled water, the ultrasonic washing in the order of isopropyl alcohol, acetone, methanol solvent and dried.
- ITO Indium Tin Oxide
- 2-TNATA was vacuum deposited on the ITO anode layer to form a hole injection layer having a thickness of 60 nm, and a 4,4'-bis [N- (1-naphthyl) -N-phenylamino] ratio was formed on the hole injection layer.
- Phenyl hereinafter referred to as NPB was vacuum deposited to form a hole transport layer having a thickness of 30 nm.
- LiF is vacuum deposited on the electron transport layer to form an electron injection layer having a thickness of 1nm, and then An organic light-emitting device was manufactured by vacuum-depositing Al on the electron injection layer to form a 300 nm thick cathode.
- An organic light emitting diode was manufactured according to the same method as Experimental Example except for using the following ET1 instead of the compound represented by Formula 1 of the present invention as an electron transport layer material.
- An organic light emitting diode was manufactured according to the same method as Experimental Example except for using the following ET3 instead of the compound represented by Formula 1 of the present invention as an electron transport layer material.
- Electron transport layer Driving voltage V
- Current efficiency cd / A
- Luminous color Example 13
- Compound 1-1-1 5.4 6.9 blue
- Example 14 Compound 1-2-1 5.6 6.5 blue
- Example 15 Compound 1-2-3 5.8 6.4 blue
- Example 16 Compound 1-3-1 5.6 6.7 blue
- Example 17 Compound 1-3-5 5.7 6.6 blue
- Example 18 Compound 1-4-2 5.9 6.5 blue
- Example 19 Compound 1-4-5 5.8 6.8 blue
- Example 20 Compound 1-4-8 5.7 6.7 blue
- Example 21 Compound 2-1-2 5.5 6.8 blue
- Example 22 Compound 2-2-3 5.8 6.6 blue
- Example 23 Compound 2-3-5 6.0 6.4 blue
- Example 24 Compound 2-4-9 5.9 6.5 blue Comparative Example 3 ET1 7.4 4.1 blue Comparative Example 4 ET3 6.7 5.7 blue
- the blue organic light emitting device (OLED) using the compounds of the invention are used as an electron transporting layer material a low driving voltage and higher efficiency than Alq 3 in ET1 and ET3 widely used from old Indicated.
- a glass substrate coated with a thin film of ITO (Indium Tin Oxide) having a thickness of 1500 ⁇ was placed in distilled water in which a dispersant was dissolved, and washed with ultrasonic waves. Fischer Co. products were used for the detergent, and Millipore Co. Secondly filtered distilled water was used as a filter of the product. After washing ITO for 30 minutes, ultrasonic washing was performed twice with distilled water for 10 minutes. After washing the distilled water, the ultrasonic washing in the order of isopropyl alcohol, acetone, methanol solvent and dried.
- ITO Indium Tin Oxide
- the compound represented by the following HIL1 was vacuum deposited to a thickness of 250 kPa on the ITO anode layer, and the compound represented by the following HIL2 was vacuum deposited to a thickness of 60 kPa thereon to form a hole injection layer.
- the compound represented by the following HTL was vacuum deposited on the hole injection layer to a thickness of 500 kPa to form a hole transport layer.
- a light emitting layer having a thickness of 200 ⁇ was formed by co-depositing the compound represented by the host ADN and the dopant BD below the hole transport layer at a weight ratio of 4%.
- An organic light emitting device was manufactured by forming a cathode having a thickness of 1500 Pa by vacuum depositing Al on the electron electron transport layer and the electron injector.
- An organic light emitting diode was manufactured according to the same method as Experimental Example except for using the following ET4 instead of the compound represented by Formula 1 of the present invention as an electron transport layer material.
- Electron transport layer Driving voltage V
- Current efficiency cd / A
- Luminous color Example 25 Compound 2-1-2 4.4 8.8 blue
- Example 26 Compound 2-1-3 4.6 8.7 blue
- Example 27 Compound 2-1-4 4.7 7.1 blue
- Example 28 Compound 2-2-3 4.2 9.4 blue Comparative Example 5 ET4 5.3 8.3 blue
- the blue organic light emitting diode (OLED) using the compounds of the present invention showed a lower driving voltage and higher efficiency than the ET4 of Comparative Example 5.
- a glass substrate coated with a thin film of ITO (Indium Tin Oxide) having a thickness of 1500 ⁇ was placed in distilled water in which a dispersant was dissolved, and washed with ultrasonic waves. Fischer Co. products were used for the detergent, and Millipore Co. Secondly filtered distilled water was used as a filter of the product. After washing ITO for 30 minutes, ultrasonic washing was performed twice with distilled water for 10 minutes. After washing the distilled water, the ultrasonic washing in the order of isopropyl alcohol, acetone, methanol solvent and dried.
- ITO Indium Tin Oxide
- the compound represented by HIL1 was vacuum deposited to a thickness of 250 kPa on the ITO anode layer, and the compound represented by HIL2 was vacuum deposited to a thickness of 60 kPa thereon to form a hole injection layer.
- the compound represented by the HTL was vacuum deposited on the hole injection layer to a thickness of 500 kPa to form a hole transport layer.
- the light emitting layer having a thickness of 200 ⁇ was formed by co-depositing the compound represented by the host, ADN and dopant, BD, on the hole transport layer at a weight ratio of 4%.
- An organic light-emitting device was manufactured by forming a cathode having a thickness of 1500 Pa by vacuum depositing Al on the electron transport layer and the electron injection layer.
- the blue organic light emitting diode (OLED) using the compounds of the present invention showed a lower driving voltage and higher efficiency than the ET4 of Comparative Example 5.
- the compound of the present invention can be used in an organic light emitting device and an organic EL display device including the same.
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Abstract
Description
화합물 | FD-MS |
코어 1-1 | Chemical Formula: C23H22BNO2Molecular Weight: 355.24m/z: 355.17 |
코어 1-2 | Chemical Formula: C23H22BNO2Molecular Weight: 355.24m/z: 355.17 |
코어 1-3 | Chemical Formula: C23H22BNO2Molecular Weight: 355.24m/z: 355.17 |
코어 1-4 | Chemical Formula: C23H22BNO2Molecular Weight: 355.24m/z: 355.17 |
코어 1-5 | Chemical Formula: C23H22BNO2Molecular Weight: 355.24m/z: 355.17 |
화합물 | FD-MS |
코어 2-1 | Chemical Formula: C19H20BNO2Molecular Weight: 305.18m/z: 305.16 |
코어 2-2 | Chemical Formula: C19H20BNO2Molecular Weight: 305.18m/z: 305.16 |
코어 2-3 | Chemical Formula: C19H20BNO2Molecular Weight: 305.18m/z: 305.16 |
코어 2-4 | Chemical Formula: C19H20BNO2Molecular Weight: 305.18m/z: 305.16 |
화합물 | FD-MS |
1-1-1 ~ 1-1-5 | Chemical Formula: C38H24N4Molecular Weight: 536.64m/z: 536.20 |
1-2-1 ~ 1-2-5 | Chemical Formula: C44H28N4Molecular Weight: 612.74m/z: 612.23 |
1-2-6 ~ 1-2-10 | Chemical Formula: C44H28N4Molecular Weight: 612.74m/z: 612.23 |
1-3-1 ~ 1-3-5 | Chemical Formula: C50H32N4Molecular Weight: 688.83m/z: 688.26 |
1-3-6 ~ 1-3-10 | Chemical Formula: C50H32N4Molecular Weight: 688.83m/z: 688.26 |
1-3-11 ~ 1-3-15 | Chemical Formula: C50H32N4Molecular Weight: 688.83m/z: 688.26 |
1-3-16 ~ 1-3-20 | Chemical Formula: C50H32N4Molecular Weight: 688.83m/z: 688.26 |
1-4-1 ~ 1-4-5 | Chemical Formula: C56H36N4Molecular Weight: 764.93m/z: 764.29 |
1-4-6 ~ 1-4-10 | Chemical Formula: C56H36N4Molecular Weight: 764.93m/z: 764.29 |
1-4-11 ~ 1-4-15 | Chemical Formula: C56H36N4Molecular Weight: 764.93m/z: 764.29 |
1-4-16 ~ 1-4-20 | Chemical Formula: C56H36N4Molecular Weight: 764.93m/z: 764.29 |
1-4-21 ~ 1-4-25 | Chemical Formula: C56H36N4Molecular Weight: 764.93m/z: 764.29 |
1-4-26 ~ 1-4-30 | Chemical Formula: C56H36N4Molecular Weight: 764.93m/z: 764.29 |
1-4-31 ~ 1-4-35 | Chemical Formula: C56H36N4Molecular Weight: 764.93m/z: 764.29 |
1-4-36 ~ 1-4-40 | Chemical Formula: C56H36N4Molecular Weight: 764.93m/z: 764.29 |
화합물 | FD-MS |
2-1-1 ~ 2-1-4 | Chemical Formula: C34H22N4Molecular Weight: 486.58m/z: 486.18 |
2-2-1 ~ 2-2-4 | Chemical Formula: C40H26N4Molecular Weight: 562.68m/z: 562.22 |
2-2-5 ~ 2-2-8 | Chemical Formula: C40H26N4Molecular Weight: 562.68m/z: 562.22 |
2-2-9 ~ 2-2-12 | Chemical Formula: C40H26N4Molecular Weight: 562.68m/z: 562.22 |
2-3-1 ~ 2-3-4 | Chemical Formula: C46H30N4Molecular Weight: 638.77m/z: 638.25 |
2-3-5 ~ 2-3-8 | Chemical Formula: C46H30N4Molecular Weight: 638.77m/z: 638.25 |
2-3-9 ~ 2-3-12 | Chemical Formula: C46H30N4Molecular Weight: 638.77m/z: 638.25 |
2-3-13 ~ 2-3-16 | Chemical Formula: C46H30N4Molecular Weight: 638.77m/z: 638.25 |
2-4-1 ~ 2-4-4 | Chemical Formula: C52H34N4Molecular Weight: 714.87m/z: 714.28 |
2-4-5 ~ 2-4-8 | Chemical Formula: C52H34N4Molecular Weight: 714.87m/z: 714.28 |
2-4-9 ~ 2-4-12 | Chemical Formula: C52H34N4Molecular Weight: 714.87m/z: 714.28 |
2-4-13 ~ 2-4-16 | Chemical Formula: C52H34N4Molecular Weight: 714.87m/z: 714.28 |
2-4-17 ~ 2-4-20 | Chemical Formula: C52H34N4Molecular Weight: 714.87m/z: 714.28 |
2-4-21 ~ 2-4-24 | Chemical Formula: C52H34N4Molecular Weight: 714.87m/z: 714.28 |
2-4-25 ~ 2-4-28 | Chemical Formula: C52H34N4Molecular Weight: 714.87m/z: 714.28 |
2-4-29 ~ 2-4-32 | Chemical Formula: C52H34N4Molecular Weight: 714.87m/z: 714.28 |
화합물 | FD-MS |
3-1-1, 4-2-2, 4-3-2 | Chemical Formula: C28H18N4Molecular Weight: 410.48m/z: 410.15 |
3-1-2, 3-1-3, 3-2-1, 3-2-2, 3-3-1, 3-3-2, 4-1-7, 4-1-12, 4-2-7,4-2-12, 4-3-7, 4-3-12 | Chemical Formula: C34H22N4Molecular Weight: 486.58m/z: 486.18 |
3-1-4, 3-1-6, 3-1-8, 3-2-3, 3-2-5, 3-2-7, 3-3-3, 3-3-5, 3-3-7,4-1-37, 4-1-42,4-1-47, 4-2-37,4-2-42, 4-2-47, 4-3-37, 4-3-42, 4-3-47, 5-1-1, 5-1-2, 5-1-3, 5-1-4, 5-1-5 | Chemical Formula: C44H28N4Molecular Weight: 612.74m/z: 612.23 |
3-1-5, 3-1-7, 3-1-9, 3-2-4, 3-2-6, 3-2-8, 3-3-4, 3-3-6, 3-3-8 | Chemical Formula: C50H32N4Molecular Weight: 688.83m/z: 688.26 |
4-1-1, 4-1-5, 4-2-1,4-2-5, 4-3-1, 4-3-5 | Chemical Formula: C27H17N3Molecular Weight: 383.45m/z: 383.14 |
4-1-2 | Chemical Formula: C28H18N4Molecular Weight: 410.48m/z: 410.15 |
4-1-3, 4-2-3, 4-3-3 | emical Formula: C26H17N3Molecular Weight: 371.44m/z: 371.14 |
4-1-4, 4-2-4, 4-3-4 | Chemical Formula: C29H17N3SMolecular Weight: 439.54m/z: 439.11 |
4-1-6, 4-1-10, 4-1-11, 4-1-15, 4-2-6, 4-2-104-2-11, 4-2-15, 4-3-6, 4-3-10, 4-3-11, 4-3-15, 7-1-1, 7-1-3, 7-2-1, 7-2-3, 7-3-1, 7-3-3 | Chemical Formula: C33H21N3Molecular Weight: 459.55m/z: 459.17 |
4-1-8, 4-1-13, 4-2-8, 4-2-13, 4-3-8, 4-3-13 | Chemical Formula: C32H21N3 Molecular Weight: 447.54 m/z: 447.17 |
4-1-9, 4-1-14, 4-2-9, 4-2-14, 4-3-9, 4-3-14, 7-1-2, 7-2-2, 7-3-2 | Chemical Formula: C35H21N3SMolecular Weight: 515.63 m/z: 515.15 |
4-1-16, 4-1-20, 4-1-21, 4-1-25, 4-1-26, 4-1-30, 4-1-31, 4-1-35, 4-2-16, 4-2-20, 4-2-21, 4-2-25. 4-2-26, 4-2-30, 4-2-31, 4-2-35, 4-3-16, 4-3-20, 4-3-21, 4-3-25, 4-3-26, 4-3-30, 4-3-31, 4-3-35, 7-1-4, 7-1-6, 7-1-7, 7-1-9, 7-2-4, 7-2-6, 7-2-7, 7-2-9, 7-3-4, 7-3-6, 7-3-7, 7-3-9 | Chemical Formula: C39H25N3 Molecular Weight: 535.65 m/z: 535.20 |
4-1-17, 4-1-22, 4-1-27, 4-1-32, 4-2-17, 4-2-22, 4-2-27, 4-2-32, 4-3-17, 4-3-22, 4-3-27, 4-3-32, 6-1-1 ~ 6-1-4 | Chemical Formula: C40H26N4Molecular Weight: 562.68 m/z: 562.22 |
4-1-18, 4-1-23, 4-1-28, 4-1-33, 4-2-18, 4-2-23. 4-2-28, 4-2-33, 4-3-18, 4-3-23, 4-3-28, 4-3-33 | Chemical Formula: C38H25N3 Molecular Weight: 523.64 m/z: 523.20 |
4-1-19, 4-1-24,4-1-29, 4-1-34, 4-2-19, 4-2-24,4-2-29, 4-2-34,4-3-19, 4-3-24,4-3-29, 4-3-34,7-1-5, 7-1-8, 7-2-5,7-2-8, 7-3-5, 7-3-8 | Chemical Formula: C41H25N3SMolecular Weight: 591.73m/z: 591.18 |
4-1-36, 4-1-40,4-1-41, 4-1-45,4-1-46, 4-1-50,4-2-36, 4-2-40,4-2-41, 4-2-45,4-2-46, 4-2-50,4-3-36, 4-3-40,4-3-41, 4-3-45. 4-3-46, 4-3-50 | Chemical Formula: C43H27N3Molecular Weight: 585.71m/z: 585.22 |
4-1-38, 4-1-43,4-1-48, 4-2-38,4-2-43, 4-2-48,4-3-38, 4-3-43,4-3-48 | Chemical Formula: C42H27N3Molecular Weight: 573.70m/z: 573.22 |
4-1-39, 4-1-44,4-1-49, 4-2-39,4-2-44, 4-2-49,4-3-39, 4-3-44,4-3-49 | Chemical Formula: C45H27N3SMolecular Weight: 641.79m/z: 641.19 |
5-2-1 ~ 5-2-10 | Chemical Formula: C50H32N4Molecular Weight: 688.83m/z: 688.26 |
5-3-1 ~ 5-3-20, 6-4-33 ~ 6-4-41 | Chemical Formula: C56H36N4Molecular Weight: 764.93m/z: 764.29 |
5-4-1 ~ 5-4-40 | Chemical Formula: C62H40N4Molecular Weight: 841.03m/z: 840.33 |
6-2-1 ~6-2-8 | Chemical Formula: C46H30N4Molecular Weight: 638.77m/z: 638.25 |
6-3-1 ~ 6-3-16 | Chemical Formula: C52H34N4Molecular Weight: 714.87m/z: 714.28 |
6-4-1 ~6-4-32 | Chemical Formula: C58H38N4Molecular Weight: 790.97m/z: 790.31 |
7-1-10, 7-1-12, 7-1-13, 7-1-15, 7-1-16, 7-1-18,7-1-19, 7-1-21,7-2-10, 7-2-12,7-2-13, 7-2-15,7-2-16, 7-2-18,7-2-19, 7-2-21,7-3-10, 7-3-12,7-3-13, 7-3-15,7-3-16, 7-3-18,7-3-19, 7-3-21 | Chemical Formula: C45H29N3Molecular Weight: 611.75m/z: 611.24 |
7-1-11, 7-1-14, 7-1-17, 7-1-20, 7-2-11, 7-2-14, 7-2-17, 7-2-20, 7-3-11, 7-3-14, 7-3-17, 7-3-20 | Chemical Formula: C47H29N3SMolecular Weight: 667.83m/z: 667.21 |
7-1-22, 7-1-24, 7-1-25, 7-1-27, 7-1-28, 7-1-30, 7-2-22, 7-2-24, 7-2-25, 7-2-27, 7-2-28, 7-2-30, 7-3-22, 7-3-24, 7-3-25, 7-3-27, 7-3-28, 7-3-30 | Chemical Formula: C49H31N3Molecular Weight: 661.81m/z: 661.25 |
7-1-23, 7-1-26, 7-1-29, 7-2-23, 7-2-26, 7-2-29, 7-3-23, 7-3-26, 7-3-29 | Chemical Formula: C51H31N3SMolecular Weight: 717.89m/z: 717.22 |
전자수송층 | 구동전압(V) | 전류효율(cd/A) | 발광색 | |
실시예 1 | 화합물 1-1-1 | 5.1 | 40.1 | 녹색 |
실시예 2 | 화합물 1-1-2 | 5.2 | 39.5 | 녹색 |
실시예 3 | 화합물 1-1-3 | 5.1 | 40.0 | 녹색 |
실시예 4 | 화합물 1-1-4 | 5.3 | 39.2 | 녹색 |
실시예 5 | 화합물 1-1-5 | 5.2 | 39.9 | 녹색 |
실시예 6 | 화합물 1-2-2 | 5.3 | 38.9 | 녹색 |
실시예 7 | 화합물 1-3-3 | 5.2 | 39.3 | 녹색 |
실시예 8 | 화합물 1-4-4 | 5.2 | 39.7 | 녹색 |
실시예 9 | 화합물 2-1-1 | 5.2 | 40.0 | 녹색 |
실시예 10 | 화합물 2-2-2 | 5.4 | 39.5 | 녹색 |
실시예 11 | 화합물 2-3-3 | 5.5 | 39.2 | 녹색 |
실시예 12 | 화합물 2-4-4 | 5.3 | 39.6 | 녹색 |
비교예 1 | ET1 | 6.2 | 23.7 | 녹색 |
비교예 2 | ET2 | 5.9 | 28.3 | 녹색 |
전자수송층 | 구동전압(V) | 전류효율(cd/A) | 발광색 | |
실시예 13 | 화합물 1-1-1 | 5.4 | 6.9 | 청색 |
실시예 14 | 화합물 1-2-1 | 5.6 | 6.5 | 청색 |
실시예 15 | 화합물 1-2-3 | 5.8 | 6.4 | 청색 |
실시예 16 | 화합물 1-3-1 | 5.6 | 6.7 | 청색 |
실시예 17 | 화합물 1-3-5 | 5.7 | 6.6 | 청색 |
실시예 18 | 화합물 1-4-2 | 5.9 | 6.5 | 청색 |
실시예 19 | 화합물 1-4-5 | 5.8 | 6.8 | 청색 |
실시예 20 | 화합물 1-4-8 | 5.7 | 6.7 | 청색 |
실시예 21 | 화합물 2-1-2 | 5.5 | 6.8 | 청색 |
실시예 22 | 화합물 2-2-3 | 5.8 | 6.6 | 청색 |
실시예 23 | 화합물 2-3-5 | 6.0 | 6.4 | 청색 |
실시예 24 | 화합물 2-4-9 | 5.9 | 6.5 | 청색 |
비교예 3 | ET1 | 7.4 | 4.1 | 청색 |
비교예 4 | ET3 | 6.7 | 5.7 | 청색 |
전자수송층 | 구동전압(V) | 전류효율(cd/A) | 발광색 | |
실시예 25 | 화합물 2-1-2 | 4.4 | 8.8 | 청색 |
실시예 26 | 화합물 2-1-3 | 4.6 | 8.7 | 청색 |
실시예 27 | 화합물 2-1-4 | 4.7 | 7.1 | 청색 |
실시예28 | 화합물 2-2-3 | 4.2 | 9.4 | 청색 |
비교예 5 | ET4 | 5.3 | 8.3 | 청색 |
Claims (13)
- 하기 화학식 1로 표시되는 화합물.여기서, A1은 하기 구조중 어느 하나로 어느 하나로 표시되는 그룹이며,L은 직접결합; 치환 또는 비치환된 아릴렌기; 또는 치환 또는 비치환된 헤테로아릴렌기; 또는 치환 또는 비치환의 C9~C60의 축합다환기이며,A2는 수소; 중수소; 할로겐기; 니트릴기; 니트로기; 히드록시기; 카보닐기; 에스테르기; 이미드기; 아미노기; 치환 또는 비치환된 실릴기; 치환 또는 비치환된 붕소기; 치환 또는 비치환된 알킬기; 치환 또는 비치환된 알킬술폭시기; 치환 또는 비치환된 아릴술폭시기; 치환 또는 비치환된 알케닐기; 치환 또는 비치환된 아르알킬기; 치환 또는 비치환된 아르알케닐기; 치환 또는 비치환된 알킬아릴기; 치환 또는 비치환된 알킬아민기; 치환 또는 비치환된 아랄킬아민기; 치환 또는 비치환된 헤테로아릴아민기; 치환 또는 비치환된 아릴아민기; 치환 또는 비치환된 아릴포스핀기; 치환 또는 비치환된 포스핀옥사이드기; 치환 또는 비치환된 아릴기; 또는 치환 또는 비치환된 헤테로 고리기이다.
- 제1항에 있어서, A2는 아래의 구조식으로 나타내어지며,여기서, X1~X3은 각각 독립적으로 C 또는 N이며, X1~X3 중 적어도 하나는 N이고,Ar1 및 Ar2는 서로 같거나 상이하고, 각각 독립적으로 수소, 중수소, 할로겐기, 시아노기, 치환 또는 비치환의 C1~C60의 알킬기, 치환 또는 비치환의 C3~C10의 시클로알킬기, 치환 또는 비치환의 C6~C60의 아릴기, 치환 또는 비치환의 C6~C60의 아릴렌기, 또는 치환 또는 비치환의 C1~C60의 헤테로아릴기이며,Ar3는 수소, 중수소, 할로겐기, 시아노기, 치환 또는 비치환의 C1~C60의 알킬기, 치환 또는 비치환의 C3~C10의 시클로알킬기, 치환 또는 비치환의 C6~C60의 아릴기, 또는 치환 또는 비치환의 C1~C60의 헤테로아릴기이다.
- 제1전극;상기 제1전극에 대향하는 제2 전극; 및상기 제1전극과 상기 제2 전극 사이에 개재되는 유기층을 포함하고,상기 유기층이 제1항의 화합물을 포함하는 유기 발광 소자.
- 제9항에 있어서,상기 제1전극이 애노드이고,상기 제2 전극이 캐소드이고,상기 유기층이,i) 발광층,ii) 상기 제1전극과 상기 발광층 사이에 개재되며, 정공 주입층, 정공 수송층, 및 전자 저지층 중 적어도 하나를 포함한 정공 수송 영역, 및iii) 상기 발광층과 상기 제2 전극 사이에 개재되며, 정공 저지층, 전자 수송층 및 전자 주입층 중 적어도 하나를 포함한 전자 수송 영역을 포함하는 유기 발광 소자.
- 제10항에 있어서, 상기 전자 수송 영역이 제1항의 화합물을 포함하는,유기 발광 소자.
- 제11항에 있어서, 상기 전자 수송층이 제1항의 화합물을 포함하는, 유기 발광 소자.
- 제9항의 유기 발광 소자를 구비하고, 상기 유기 발광 소자의 제 1 전극이 박막 트랜지스터의 소스 전극 또는 드레인 전극과 전기적으로 연결된 표시 장치.
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CN112250631A (zh) * | 2020-10-19 | 2021-01-22 | 北京八亿时空液晶科技股份有限公司 | 一种苯并菲啶衍生物、电致发光材料及有机电致发光元件 |
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