WO2017135510A1 - 유기 광전자 소자용 화합물, 유기 광전자 소자 및 표시 장치 - Google Patents
유기 광전자 소자용 화합물, 유기 광전자 소자 및 표시 장치 Download PDFInfo
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- WO2017135510A1 WO2017135510A1 PCT/KR2016/004019 KR2016004019W WO2017135510A1 WO 2017135510 A1 WO2017135510 A1 WO 2017135510A1 KR 2016004019 W KR2016004019 W KR 2016004019W WO 2017135510 A1 WO2017135510 A1 WO 2017135510A1
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 139
- 230000005693 optoelectronics Effects 0.000 title claims abstract description 59
- 239000000126 substance Substances 0.000 claims abstract description 17
- 239000010410 layer Substances 0.000 claims description 162
- 229910052739 hydrogen Inorganic materials 0.000 claims description 38
- 239000001257 hydrogen Substances 0.000 claims description 38
- 230000005525 hole transport Effects 0.000 claims description 34
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 33
- 229910052805 deuterium Inorganic materials 0.000 claims description 33
- 125000003118 aryl group Chemical group 0.000 claims description 31
- 150000002431 hydrogen Chemical class 0.000 claims description 29
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 23
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 claims description 22
- 239000012044 organic layer Substances 0.000 claims description 22
- 125000000217 alkyl group Chemical group 0.000 claims description 21
- -1 dibenzofuranyl group Chemical group 0.000 claims description 15
- 125000001072 heteroaryl group Chemical group 0.000 claims description 15
- 125000006267 biphenyl group Chemical group 0.000 claims description 8
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 7
- 125000001624 naphthyl group Chemical group 0.000 claims description 7
- 125000000714 pyrimidinyl group Chemical group 0.000 claims description 6
- 125000001424 substituent group Chemical group 0.000 claims description 6
- 125000004306 triazinyl group Chemical group 0.000 claims description 6
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 claims description 5
- 125000002183 isoquinolinyl group Chemical group C1(=NC=CC2=CC=CC=C12)* 0.000 claims description 5
- 125000004076 pyridyl group Chemical group 0.000 claims description 5
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 claims description 5
- 238000006467 substitution reaction Methods 0.000 claims description 5
- 125000005509 dibenzothiophenyl group Chemical group 0.000 claims description 4
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 0.000 claims description 4
- 125000005580 triphenylene group Chemical group 0.000 claims description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 126
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 78
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- 229910052757 nitrogen Inorganic materials 0.000 description 40
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- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 31
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 28
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- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 26
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- 229910000027 potassium carbonate Inorganic materials 0.000 description 14
- 230000000903 blocking effect Effects 0.000 description 13
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- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 12
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- UDQTXCHQKHIQMH-KYGLGHNPSA-N (3ar,5s,6s,7r,7ar)-5-(difluoromethyl)-2-(ethylamino)-5,6,7,7a-tetrahydro-3ah-pyrano[3,2-d][1,3]thiazole-6,7-diol Chemical compound S1C(NCC)=N[C@H]2[C@@H]1O[C@H](C(F)F)[C@@H](O)[C@@H]2O UDQTXCHQKHIQMH-KYGLGHNPSA-N 0.000 description 8
- VVCMGAUPZIKYTH-VGHSCWAPSA-N 2-acetyloxybenzoic acid;[(2s,3r)-4-(dimethylamino)-3-methyl-1,2-diphenylbutan-2-yl] propanoate;1,3,7-trimethylpurine-2,6-dione Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O.CN1C(=O)N(C)C(=O)C2=C1N=CN2C.C([C@](OC(=O)CC)([C@H](C)CN(C)C)C=1C=CC=CC=1)C1=CC=CC=C1 VVCMGAUPZIKYTH-VGHSCWAPSA-N 0.000 description 8
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- SMNRFWMNPDABKZ-WVALLCKVSA-N [[(2R,3S,4R,5S)-5-(2,6-dioxo-3H-pyridin-3-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl] [[[(2R,3S,4S,5R,6R)-4-fluoro-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-hydroxyphosphoryl]oxy-hydroxyphosphoryl] hydrogen phosphate Chemical compound OC[C@H]1O[C@H](OP(O)(=O)OP(O)(=O)OP(O)(=O)OP(O)(=O)OC[C@H]2O[C@H]([C@H](O)[C@@H]2O)C2C=CC(=O)NC2=O)[C@H](O)[C@@H](F)[C@@H]1O SMNRFWMNPDABKZ-WVALLCKVSA-N 0.000 description 8
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- 238000001308 synthesis method Methods 0.000 description 8
- OMBVEVHRIQULKW-DNQXCXABSA-M (3r,5r)-7-[3-(4-fluorophenyl)-8-oxo-7-phenyl-1-propan-2-yl-5,6-dihydro-4h-pyrrolo[2,3-c]azepin-2-yl]-3,5-dihydroxyheptanoate Chemical compound O=C1C=2N(C(C)C)C(CC[C@@H](O)C[C@@H](O)CC([O-])=O)=C(C=3C=CC(F)=CC=3)C=2CCCN1C1=CC=CC=C1 OMBVEVHRIQULKW-DNQXCXABSA-M 0.000 description 7
- ISMDILRWKSYCOD-GNKBHMEESA-N C(C1=CC=CC=C1)[C@@H]1NC(OCCCCCCCCCCCNC([C@@H](NC(C[C@@H]1O)=O)C(C)C)=O)=O Chemical compound C(C1=CC=CC=C1)[C@@H]1NC(OCCCCCCCCCCCNC([C@@H](NC(C[C@@H]1O)=O)C(C)C)=O)=O ISMDILRWKSYCOD-GNKBHMEESA-N 0.000 description 7
- ABRPFVSILYQYPR-UHFFFAOYSA-L C1(=CC=CC=C1)P(C1=CC=CC=C1)C1=CC=CC=C1.C1(=CC=CC=C1)P(C1=CC=CC=C1)C1=CC=CC=C1.C1(=CC=CC=C1)P(C1=CC=CC=C1)C1=CC=CC=C1.C1(=CC=CC=C1)P(C1=CC=CC=C1)C1=CC=CC=C1.C([O-])([O-])=O.[K+].[K+] Chemical compound C1(=CC=CC=C1)P(C1=CC=CC=C1)C1=CC=CC=C1.C1(=CC=CC=C1)P(C1=CC=CC=C1)C1=CC=CC=C1.C1(=CC=CC=C1)P(C1=CC=CC=C1)C1=CC=CC=C1.C1(=CC=CC=C1)P(C1=CC=CC=C1)C1=CC=CC=C1.C([O-])([O-])=O.[K+].[K+] ABRPFVSILYQYPR-UHFFFAOYSA-L 0.000 description 7
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- UEEXRMUCXBPYOV-UHFFFAOYSA-N iridium;2-phenylpyridine Chemical compound [Ir].C1=CC=CC=C1C1=CC=CC=N1.C1=CC=CC=C1C1=CC=CC=N1.C1=CC=CC=C1C1=CC=CC=N1 UEEXRMUCXBPYOV-UHFFFAOYSA-N 0.000 description 7
- ZLVXBBHTMQJRSX-VMGNSXQWSA-N jdtic Chemical compound C1([C@]2(C)CCN(C[C@@H]2C)C[C@H](C(C)C)NC(=O)[C@@H]2NCC3=CC(O)=CC=C3C2)=CC=CC(O)=C1 ZLVXBBHTMQJRSX-VMGNSXQWSA-N 0.000 description 7
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- YSUIQYOGTINQIN-UZFYAQMZSA-N 2-amino-9-[(1S,6R,8R,9S,10R,15R,17R,18R)-8-(6-aminopurin-9-yl)-9,18-difluoro-3,12-dihydroxy-3,12-bis(sulfanylidene)-2,4,7,11,13,16-hexaoxa-3lambda5,12lambda5-diphosphatricyclo[13.2.1.06,10]octadecan-17-yl]-1H-purin-6-one Chemical compound NC1=NC2=C(N=CN2[C@@H]2O[C@@H]3COP(S)(=O)O[C@@H]4[C@@H](COP(S)(=O)O[C@@H]2[C@@H]3F)O[C@H]([C@H]4F)N2C=NC3=C2N=CN=C3N)C(=O)N1 YSUIQYOGTINQIN-UZFYAQMZSA-N 0.000 description 6
- 229940126062 Compound A Drugs 0.000 description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 6
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- LNUFLCYMSVYYNW-ZPJMAFJPSA-N [(2r,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6r)-6-[(2r,3r,4s,5r,6r)-6-[(2r,3r,4s,5r,6r)-6-[[(3s,5s,8r,9s,10s,13r,14s,17r)-10,13-dimethyl-17-[(2r)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1h-cyclopenta[a]phenanthren-3-yl]oxy]-4,5-disulfo Chemical compound O([C@@H]1[C@@H](COS(O)(=O)=O)O[C@@H]([C@@H]([C@H]1OS(O)(=O)=O)OS(O)(=O)=O)O[C@@H]1[C@@H](COS(O)(=O)=O)O[C@@H]([C@@H]([C@H]1OS(O)(=O)=O)OS(O)(=O)=O)O[C@@H]1[C@@H](COS(O)(=O)=O)O[C@H]([C@@H]([C@H]1OS(O)(=O)=O)OS(O)(=O)=O)O[C@@H]1C[C@@H]2CC[C@H]3[C@@H]4CC[C@@H]([C@]4(CC[C@@H]3[C@@]2(C)CC1)C)[C@H](C)CCCC(C)C)[C@H]1O[C@H](COS(O)(=O)=O)[C@@H](OS(O)(=O)=O)[C@H](OS(O)(=O)=O)[C@H]1OS(O)(=O)=O LNUFLCYMSVYYNW-ZPJMAFJPSA-N 0.000 description 6
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- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 6
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- JWQLJPBJNSPKSG-UHFFFAOYSA-M magnesium;phenylbenzene;bromide Chemical compound [Mg+2].[Br-].C1=CC=CC=C1C1=CC=[C-]C=C1 JWQLJPBJNSPKSG-UHFFFAOYSA-M 0.000 description 1
- SRNAAWKKVXHYTI-UHFFFAOYSA-M magnesium;phenylbenzene;bromide Chemical compound [Mg+2].[Br-].C1=CC=CC=C1C1=CC=C[C-]=C1 SRNAAWKKVXHYTI-UHFFFAOYSA-M 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- HUMMCEUVDBVXTQ-UHFFFAOYSA-N naphthalen-1-ylboronic acid Chemical compound C1=CC=C2C(B(O)O)=CC=CC2=C1 HUMMCEUVDBVXTQ-UHFFFAOYSA-N 0.000 description 1
- 125000004593 naphthyridinyl group Chemical group N1=C(C=CC2=CC=CN=C12)* 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 125000005561 phenanthryl group Chemical group 0.000 description 1
- DHHVAGZRUROJKS-UHFFFAOYSA-N phentermine Chemical group CC(C)(N)CC1=CC=CC=C1 DHHVAGZRUROJKS-UHFFFAOYSA-N 0.000 description 1
- ANRQGKOBLBYXFM-UHFFFAOYSA-M phenylmagnesium bromide Chemical compound Br[Mg]C1=CC=CC=C1 ANRQGKOBLBYXFM-UHFFFAOYSA-M 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- 125000001725 pyrenyl group Chemical group 0.000 description 1
- 125000002098 pyridazinyl group Chemical group 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000009467 reduction Effects 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
- 238000004904 shortening Methods 0.000 description 1
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 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
- 125000001935 tetracenyl group Chemical group C1(=CC=CC2=CC3=CC4=CC=CC=C4C=C3C=C12)* 0.000 description 1
- 150000004867 thiadiazoles Chemical class 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
- 125000004950 trifluoroalkyl group Chemical group 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- 125000003960 triphenylenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C3=CC=CC=C3C12)* 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/56—Ring systems containing three or more rings
- C07D209/80—[b, c]- or [b, d]-condensed
- C07D209/82—Carbazoles; Hydrogenated carbazoles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/32—One oxygen, sulfur or nitrogen atom
- C07D239/34—One oxygen atom
- C07D239/36—One oxygen atom as doubly bound oxygen atom or as unsubstituted hydroxy radical
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- 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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- 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
-
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
- H10K50/15—Hole transporting layers
- H10K50/156—Hole transporting layers comprising a multilayered structure
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
- H10K50/16—Electron transporting layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- 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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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K99/00—Subject matter not provided for in other groups of this subclass
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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
- H10K85/10—Organic polymers or oligomers
- H10K85/111—Organic polymers or oligomers comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene
- H10K85/113—Heteroaromatic compounds comprising sulfur or selene, e.g. polythiophene
- H10K85/1135—Polyethylene dioxythiophene [PEDOT]; Derivatives thereof
Definitions
- a compound for organic optoelectronic devices an organic optoelectronic device, and a display device.
- An organic optoelectric diode is a device capable of converting electrical energy and light energy.
- Organic optoelectronic devices can be divided into two types according to the principle of operation.
- Examples of the organic optoelectronic device may be an organic photoelectric device, an organic light emitting device, an organic solar cell and an organic photo conductor drum.
- the organic light emitting device converts electrical energy into light by applying an electric current to the organic light emitting material.
- the organic light emitting device has a structure in which an organic layer is inserted between an anode and a cathode.
- the organic layer may include a light emitting layer and an optional auxiliary layer, and the auxiliary layer may include, for example, a hole injection layer, a hole transport layer, an electron blocking layer, an electron transport layer, an electron injection layer, and the like, to increase the efficiency and stability of the organic light emitting device. It may comprise at least one layer selected from the hole blocking layer.
- the performance of the organic light emitting device is greatly influenced by the characteristics of the organic layer, and in particular, is affected by the organic material included in the organic layer.
- One embodiment provides a compound for an organic optoelectronic device capable of implementing high efficiency and long life organic optoelectronic devices.
- Another embodiment provides an organic optoelectronic device including the compound for an organic optoelectronic device.
- Another embodiment provides a display device including the organic optoelectronic device.
- a compound for an organic optoelectronic device represented by Chemical Formula 1 is provided.
- R 1 to R 5 are each independently hydrogen, deuterium, a substituted or unsubstituted C alkyl group in C1, or a phenyl group,
- Z 1 to Z 3 are each independently CR a or N,
- At least two of Z 1 to Z 3 are N,
- R a and R 6 are hydrogen, deuterium, a substituted or unsubstituted C1 to C10 alkyl group, or a substituted or unsubstituted C6 to C12 aryl group,
- Ar 1 and Ar 2 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C10 alkyl group, or a substituted or unsubstituted C6 to C18 aryl group,
- a, b, c, d, and e are each independently an integer of 0 or 1,
- Substituted means that at least one hydrogen is deuterium, a C1 to C4 alkyl group, or Mean substituted with a C6 to C12 aryl group.
- an anode and a cathode facing each other, and at least one organic layer positioned between the anode and the cathode, the organic layer comprises an organic optoelectronic device comprising the compound for an organic optoelectronic device described above to provide.
- a display device including the organic optoelectronic device is provided.
- 1 to 4 are cross-sectional views illustrating an organic light emitting device according to an embodiment.
- At least one hydrogen in a substituent or compound is a deuterium, a halogen group, a hydroxyl group, an amino group, a substituted or unsubstituted C1 to C30 amine group, a nitro group, a substitution Or unsubstituted C1 to C40 Silyl group, CI to C30 alkyl group, CI to C10 alkylsilyl group, C6 to C30 arylsilyl group, C3 to C30 cycloalkyl group, C3 to C30 heterocycloalkyl group, C6 to C30 aryl group, C6 to C30 heteroaryl group, C1 to C30 C20 substituted with C1 to C10 trifluoroalkyl group or cyano group such as alky group, fluoro group, trifluoromethyl group, etc.
- hetero means N in one functional group, unless otherwise defined.
- It contains 1 to 3 hetero atoms selected from the group consisting of 0, S, P and Si, and the rest means carbon.
- an "alkyl group” means an aliphatic hydrocarbon group.
- the alkyl group may be a "saturated alkyl group” that does not contain any double or triple bonds.
- the alkyl group may be an alkyl group of C1 to C30. More specifically, the alkyl group may be a C1 to C20 alkyl group or a C1 to C10 alkyl group.
- a C1 to C4 alkyl group means that the alkyl chain contains 1 to 4 carbon atoms, and methyl, ethyl, propyl, iso-propyl, ⁇ -butyl, iso-butyl, sec -butyl and t butyl Selected from the group consisting of:
- alkyl group examples include methyl group, ethyl group, propyl group, isopropyl group butyl group, isobutyl group, t-butyl group, pentyl group, nucleosil group, cyclopropyl group, cyclobutyl group, cyclopentyl group and cyclonuclear group And the like.
- aryl group refers to a group of groups having one or more hydrocarbon aromatic moieties.
- All the elements of the hydrocarbon aromatic moiety have a P-orbital, and include a form in which these P-orbitals form a conjugate, such as a phenyl group, a naphthyl group,
- hydrocarbon aromatic moieties are linked through sigma bonds, such as biphenyl groups, terphenyl groups, quarterphenyl groups, etc.
- Non-aromatic fused rings in which two or more hydrocarbon aromatic moieties are fused directly or indirectly may also be included.
- Aryl groups include monocyclic, polycyclic or fused ring polycyclic (ie, rings having adjacent pairs of carbon atoms) functional groups.
- heteroaryl group means containing 1 to 3 heteroatoms selected from the group consisting of N, 0, S, P, and Si in the aryl group, and the rest are carbon. Two or more heteroaryl groups may be directly connected through a sigma bond, or when the heteroaryl group includes two or more rings, two or more rings may be fused to each other. When the heteroaryl group is a fused ring, each ring may include 1 to 3 heteroatoms.
- the heteroaryl group means, for example, a pyridinyl group, a pyrimidinyl group, a pyrazinyl group, a pyridazinyl group, a triazinyl group, a quinolinyl group, an isoquinolinyl group, and the like.
- a substituted or unsubstituted C6 to C30 aryl group and / or a substituted or unsubstituted C2 to C30 heteroaryl group is a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted anthra Senyl group, substituted or .
- Fluorenyl group substituted or unsubstituted indenyl group, substituted or unsubstituted furanyl group, substituted or unsubstituted thiophenyl group, substituted or unsubstituted pyrilyl group, substituted or unsubstituted pyrazolyl group, substituted or unsubstituted Substituted imidazolyl group, substituted or unsubstituted triazolyl group, substituted or unsubstituted oxazolyl group, substituted or unsubstituted thiazolyl group, substituted or unsubstituted oxadiazoleyl group, substituted or unsubstituted thiadiazole Diary, substituted or unsubstituted pyridyl group, substituted or unsubstituted pyrimidinyl group, substituted or unsubstituted pyrazinyl group, substituted or unsubstituted triazinyl group
- Benzoxazineyl group substituted or unsubstituted benzthiazinyl group, substituted or unsubstituted acridinyl group, substituted or unsubstituted phenazineyl group, chiwhite; Or unsubstituted
- Phenothiazineyl substituted or unsubstituted phenoxazineyl group ? Substituted or unsubstituted Multibenzofuranyl group, substituted or unsubstituted dibenzothiophenyl group, or a combination thereof, but is not limited thereto.
- the hole characteristic refers to a characteristic capable of forming holes by donating electrons when an electric field is applied, and injecting holes formed at the anode into the light emitting layer having conductive properties along the HOMO level, and emitting layer. It refers to a property that facilitates the movement of the hole formed in the anode and movement in the light emitting layer.
- the electron characteristic refers to a characteristic that can receive electrons when an electric field is applied, and has a conductivity characteristic along the LUMO level, and injects electrons formed in the cathode into the light emitting layer, moves electrons formed in the light emitting layer to the cathode, and It means a property that facilitates movement.
- a compound for an organic optoelectronic device according to one embodiment is described.
- the compound for an organic optoelectronic device according to one embodiment is represented by the following formula (1).
- R 1 to R 5 are each independently hydrogen, deuterium, .substituted or unsubstituted C1 to C4 alkyl groups, or phenyl groups,
- Z 1 to Z 3 are each independently CR a or N,
- At least two of Z 1 to Z 3 are N,
- R a and R 6 are hydrogen, deuterium, a substituted or unsubstituted C1 to C10 alkyl group, or a substituted or unsubstituted C6 to C12 aryl group,
- Ar 1 and Ar 2 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C10 alkyl group, or a substituted or unsubstituted C6 to C18 aryl group, a, b, c, d, and e are each independently an integer of 0 or 1,
- substituted means that at least one hydrogen is substituted with deuterium, a C1 to C4 alkyl group, or a C6 to C12 aryl group.
- the compound for an organic optoelectronic device represented by Formula 1 is a structure in which a bulky aromatic group moiety substituted with four or more phenyl groups and a hexagonal ring containing nitrogen are connected by a phenyl linker.
- the nitrogen-containing hexagonal ring facilitates the injection or movement of electrons in the device, and the bulky aromatic moiety assists the injection and movement of holes or increases the glass transition temperature of the compound, and intermolecular interactions. Due to the suppression of the luminous efficiency is increased, it is possible to have a low deposition temperature relative to the molecular weight. Therefore, the compound for an organic photoelectric device represented by Chemical Formula 1 has better packing of a hexagonal ring containing nitrogen having a relatively flat structure than a bulky aromatic group when forming a film in the device. There is an advantage of facilitating injection and movement.
- the compound for an organic optoelectronic device represented by Chemical Formula 1 can reduce the driving voltage of the device due to the excellent electron transport characteristics, especially when used as the electron injection auxiliary layer, and improve the luminous efficiency due to the rapid injection of electrons into the light emitting layer Can be.
- the driving voltage is reduced due to the excellent electron transport ability even when used in the light emitting layer due to the combination of materials with excellent hole injection and movement, and excellent light emission efficiency can be obtained due to the reduction of intermolecular interaction by the bulk aromatic group portion. have.
- the compound for an organic optoelectronic device represented by the formula (1) can not only lower the deposition temperature due to the spherical structure of the bulk aromatic group portion but also has excellent solubility,
- the molecular shape is further improved by shortening the distance between the nitrogen-containing substituent containing the hexagonal ring and the bulk aromatic group. It can be implemented close to the sphere, from which it can lower the deposition temperature and have excellent heat stability.
- Formula 1 may be represented by any one of the following Formula 1-1 to 1-IV according to the number of phenyl groups included in the bulky aromatic group portion.
- Formula 1-1 [Formula 1- ⁇ ]
- R 1 to R 6 , Z 'to Z 3 , Ar 1, and Ar 2 are as described above.
- Formula 1-1 may be represented by Formula 1-Ia, 1-Ib, or 1-Ic, respectively, as the linker is linked to a meta, ortho, or para position.
- Formula 1_ I a [Formula 1-I b]
- formula 1- ⁇ may also be specifically represented by the following formula 1-na, 1-nb, or 1-nc as the linker is linked to the meta, ortho, or para position.
- the compound for an organic optoelectronic device may be represented by Chemical Formula 1-1 a, 1-I b, 1-I c, 1- ⁇ , or 1-IIc.
- R 1 to R 6 , Z 1 to Z ⁇ Ar 1 and Ar 2 are as described above. As shown.
- R 1 to R 5 may be each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C4 alkyl group, or a phenyl group.
- R 1 to R 5 may all be hydrogen.
- R 6 may also be hydrogen, deuterium, a substituted or unsubstituted C1 to C10 alkyl group, or a substituted or unsubstituted C6 to C12 aryl group. Specifically, hydrogen or a substituted or unsubstituted ' C6 to C12 aryl group may be used. And, more specifically, hydrogen, a phenyl group, a biphenyl group, for example hydrogen, or a phenyl group.
- Formula 1-1 may be represented by the following Formula 1-Id or 1-Ie,
- Formula l- ⁇ may be represented by the following Formula 1-nd or 1-ne.
- the compound for an organic optoelectronic device may be represented by Formula 1-I d, 1-I e, or 1-nd.
- At least two of the Z 1 to Z 3 layer may be N.
- it may be a pyrimidinyl group 3 ⁇ 4 wherein X 1 and X 3 are N or X 1 and X 2 are N, and a triazinyl group where X 1 to X 3 are both N.
- Ar 1 and Ar 2 may be each independently a substituted or unsubstituted C6 to C18 aryl group.
- Ar 1 and Ar 2 may each independently be a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted terphenyl group, or a substituted or unsubstituted naphthyl group, for example, Group 1 It may be one of the substituents listed in.
- the compound for an organic optoelectronic device may be selected from, for example, the compounds listed in Group 2, but is not limited thereto.
- an organic optoelectronic device includes a positive electrode and a negative electrode facing each other. And at least one organic layer disposed between the anode and the cathode, wherein the organic layer may include the compound for an organic optoelectronic device described above. More specifically, the organic layer may include a light emitting layer, an electron transport layer, and a hole transport layer, the electron transport layer or the light emitting layer may include a compound for an organic optoelectronic device represented by the formula (1).
- the electron transport layer may further include an electron transport auxiliary layer adjacent to the light emitting layer, and the aforementioned compound for an organic optoelectronic device may be included in the electron transport auxiliary layer.
- the organic optoelectronic device may have a low driving voltage, high efficiency, high brightness and long life by providing an organic layer including the compound for an organic optoelectronic device represented by Chemical Formula 1 as described above.
- the organic light emitting diode 100 has a structure in which the cathode 110, the organic layer 130, and the anode 120 are sequentially stacked.
- a substrate may be additionally disposed below the cathode 110 or above the anode 120.
- a substrate used in a conventional organic light emitting device may be used, and a glass substrate or a transparent plastic substrate having excellent mechanical strength, thermal stability, transparency, surface smoothness, ease of handling, and waterproofness may be used.
- the anode 120 may be formed, for example, on the substrate by providing a material for the anode using a deposition method or a sputtering method.
- the positive electrode material may be selected from materials having a high work function to facilitate hole injection.
- the anode 120 may be a reflective electrode, a transflective electrode, or a transmissive electrode.
- Indium tin oxide (ITO), indium zinc oxide (IZO), tin oxide (Sn0 2 ), zinc oxide (ZnO), or the like may be used as the material for the positive electrode.
- metals such as magnesium (Mg), aluminum (A1), aluminum-lithium (Al-Li), calcium (Ca), magnesium-indium (Mg-In), magnesium-silver (Mg-Ag), and the like may be used. .
- the anode 120 may have a single layer or a multilayer structure including two or more layers.
- the organic layer 105 is disposed on the cathode 120.
- the organic layer 105 includes a hole transport region; An emission layer; And an electron transport region.
- a hole transport region For example, referring to FIG. 2, an organic light emitting diode according to an embodiment of the present invention will be described.
- the organic layer 105 may further include a hole auxiliary layer 140 positioned between the anode 120 and the light emitting layer 130.
- the hole transport region may include at least two hole assist layers, and in this case, a hole assist layer positioned in contact with the light emitting layer.
- the hole transport auxiliary layer 33 and the hole auxiliary layer positioned in contact with the anode are defined as a hole transport layer 31.
- the hole transport region may include at least one of a hole injection layer, a hole transport layer, an electron blocking layer and a buffer layer.
- the hole transport region may include only a hole injection layer or only a hole transport layer. Alternatively, the hole transport region is sequentially stacked from the anode 120,
- It may have a structure of a hole injection layer 37 / hole transport layer 31 or a hole injection layer 37 / hole transport layer 31 / electron blocking layer.
- the hole injection layer 37 and the electron injection layer 36 are further included as shown in FIG. 4.
- Anode 120 / hole injection layer 37 / hole transport layer 31 / hole transport auxiliary layer 33 / light emitting layer 130 / electron transport auxiliary layer 35 / electron transport layer 34 / electron injection layer (37) ) / Cathode 1 10 may be stacked in this order.
- the hole injection layer 37 is composed of ⁇ used as the anode and a hole transport layer . Not only does it improve the interfacial properties between the organic materials used, but its surface is uneven
- the hole injection layer 37 has a work function level of ITO that can be used as an anode.
- a material having a median value between the work function level of ⁇ and the HOMO level of the hole transport layer 31 is particularly suitable.
- the thickness of the hole transport layer may be about 50 A to about 2000 A, for example, about 100 A to about 1500 A.
- the hole transport region may further include a charge-generating material in order to improve conductivity, in addition to the above materials.
- the charge-generating material may be uniformly or heterogeneously dispersed in the hole transport region.
- the charge-generating material may be, for example, a ⁇ -doped material.
- the ⁇ -dopant may be one of a quinone derivative, a metal oxide, and a cyano group-containing compound, but is not limited thereto.
- the ⁇ -dopants include tetracyanoquinonedimethane (TCNQ) and 2,3,5,6-tetrafluoro-tetracyano-1,4-benzoquinonedimethe Phosphorus (F4-TCNQ) .
- Quinone derivatives such as these; Metal oxides such as tungsten oxide and molybdenum oxide; And cyano group-containing compounds such as Compound HT-D1, and the like, but are not limited thereto.
- the hole transport region may further include a buffer layer.
- the buffer layer may serve to increase efficiency by compensating an optical resonance distance according to a wavelength of light emitted from the light emitting layer.
- An emission layer may be formed on the hole transport region by using a vacuum deposition method, a spin coating method, a cast method, an LB method, or the like.
- the deposition conditions and the coating conditions vary depending on the compound used, and in general, may be selected from a range of conditions almost the same as that of the formation of the hole injection layer.
- the light emitting layer may include a host and a dopant.
- An organic optoelectronic device according to an embodiment of the present invention the compound for an organic optoelectronic device represented by the formula (1) alone or a compound for an organic optoelectronic device represented by the formula (1) as a first host,
- the carbazole compound may be further included as a second host.
- the carbazole-based compound may be specifically formed of a combination of a moiety represented by the following Formula 2 or represented by the following Formula 3 and a moiety represented by the following Formula 4.
- Ar 3 to Ar 6 are each independently a substituted or unsubstituted C6 to C30 aryl group, or a substituted or unsubstituted C2 to C30 heteroaryl group,
- n is an integer of 0 or 1
- Adjacent two * of Formula 3 combines with two * of Formula 4 to form a fused ring, wherein * which does not form a fused ring in Formula 3 is each independently CR b ,
- R b , and R 7 to R 14 are each independently hydrogen, deuterium, a substituted or unsubstituted C 1 to C 10 alkyl group, a C6 to C30 aryl group, or a substituted or unsubstituted C2 to C30 heteroaryl group.
- Substituted or unsubstituted C6 to C30 aryl group, or substituted or unsubstituted C2 to C30 heteroaryl group is substituted or unsubstituted phenyl group, substituted or unsubstituted biphenyl group, substituted or unsubstituted terphenyl group, substituted or unsubstituted Substituted phenyl group, substituted or unsubstituted naphthyl group, substituted or unsubstituted triphenylene group, substituted or unsubstituted fluorenyl group, substituted or unsubstituted dibenzofuranyl group, substituted or unsubstituted
- Substitution in the substituted or unsubstituted herein means that at least one hydrogen is substituted with deuterium, C1 to C10 alkyl group, C6 to C18 aryl group, and C3 to C20 heteroaryl group.
- Isoquinolinyl group or a substituted or unsubstituted quinazolyl group, wherein in substituted or unsubstituted, the substitution is such that at least one hydrogen is deuterium, C 1 to C4 alkyl group, C6 to C12 aryl group, C3 to C15 Mean substituted by a heteroaryl group.
- the bicarbazole represented by Formula 2 may be selected from, for example, the compounds listed in Group B below,
- Indolocarbazole consisting of a combination of the moiety represented by Formula 3 and the moiety represented by Formula 4 may be selected from, for example, a compound listed in Group C below.
- the first host and the second host described above may be prepared in various compositions by various S sums.
- the weight ratio of the first host and the second host may be 1:99 to 99: 1, for example, 10: It may be selected within the range of 90 to 90:10.
- the puncture transport characteristic by the crab 13 ⁇ 4 and the hole transport characteristic by the crab 2 host may be balanced.
- the composition may be used as a light emitting material for an organic photonic device.
- the light emitting material may use the organic compound as a host, and may further include at least one dopant.
- the dopant may be a red, green or blue dopant.
- the dopant is a material mixed with a small amount to generate light, and a material such as a metal complex that emits light by multiple excitation that excites above a triplet state may be used.
- the dopant may be, for example, an inorganic, organic, or inorganic compound, and may be included in one kind or two kinds or more.
- An example of the dopant may include a phosphorescent dopant, and an example of the phosphorescent dopant may be Ir, Pt, Os, Ti, Zr, Hf, Eu, Tb, Tm, Fe, Co, Ni, Ru, Rh, Pd, or these. And an organometallic compound including a combination of the above.
- the phosphorescent dopant may be, for example, a compound represented by the following Chemical Formula z, but is not limited thereto.
- ⁇ is a metal
- L and X are the same or different from each other and a ligand forming a complex with ⁇ .
- the ⁇ can be for example Ir, Pt, Os, Ti, Zr, Hf, Eu, Tb, Tm, Fe, Co, Ni, Ru, Rh, Pd or combinations thereof, wherein L and X are for example bidentate It may be a ligand.
- the emission layer may have a thickness of about 100A to about 1000A, for example, about 200A to about 600A. When the thickness of the light emitting layer satisfies the aforementioned range, the light emitting layer may exhibit excellent light emission characteristics without a substantial increase in driving voltage.
- an electron transport region is disposed on the emission layer.
- the electron transport region may include at least one of a hole blocking layer, an electron transport layer, and an electron injection layer.
- the electron transport region may have a structure of a hole blocking layer / electron transport layer / electron injection layer or an electron transport layer / electron injection layer, but is not limited thereto.
- the organic light emitting device according to the embodiment of the present invention at least in the electron transport region
- the electron transport layer located in contact with the light emitting layer is defined as the electron transport auxiliary layer (35).
- the electron transport layer may be a single layer or a multilayer including two or more different materials. It may have a structure.
- the electron transport region may include a compound for an organic optoelectronic device represented by Chemical Formula 1.
- the electron transport region may include an electron transport layer, and the electron transport layer may include a compound for an organic optoelectronic device represented by Chemical Formula 1.
- the electron transport auxiliary layer may include a compound for an organic optoelectronic device represented by the formula (1).
- the formation conditions of the hole blocking layer, the electron transport layer, and the electron injection layer of the electron transport region are referred to the formation conditions of the hole injection dance.
- the hole blocking layer may include, for example, at least one of BCP, Bphen, and BAlq, but is not limited thereto.
- the hole blocking layer may have a thickness of about 20A to about 1000A, for example, about 30A to about 300A. When the thickness of the hole blocking layer satisfies the aforementioned range, excellent hole blocking characteristics may be obtained without a substantial increase in driving voltage.
- the malleable electron transport layer may further include at least one of BCP, Bphen, and Alq 3 , Balq, TAZ, and NTAZ.
- the electron transport layer may include at least one of the following compounds ET1 and ET2, but is not limited thereto.
- the electron transport layer may have a thickness of about 100A to about 1000A, for example, about 150A to about 500A. When the thickness of the electron transport layer satisfies the aforementioned range, a satisfactory electron transport characteristic can be obtained without a substantial increase in driving voltage.
- the electron transport layer may further include a metal-containing material in the material as described above.
- the metal-containing material may include a Li complex.
- the L i complex may include, for example, the following compound ET-D1 (lithium quinolate, LiQ) or ET-D2.
- the electron transport region also facilitates the injection of electrons from the cathode 110. It may include an electron injection layer (EIL).
- EIL electron injection layer
- the electron injection layer 36 is a layer that is stacked on top of the electron transport layer to facilitate the injection of electrons from the cathode and ultimately improves the power efficiency, without any particular limitation as long as it is commonly used in the art.
- a material such as LiF, Liq, NaCl, CsF, Li 2 O, BaO, or the like may be used.
- the electron injection layer may include at least one selected from LiF, NaCl, CsF, Li 2 O, and BaO.
- the electron injection layer may have a thickness of about 1 A to about 100 A, about 3 A to about 90 A. When the thickness of the electron injection layer satisfies the aforementioned range, a satisfactory electron injection characteristic may be obtained without a substantial increase in driving voltage.
- the cathode 1 10 is provided above the organic layer 105.
- a metal, an alloy, an electrically conductive compound having a relatively low work function, or a combination thereof may be used. Specific examples include lithium (Li), magnesium (Mg), aluminum (A1), aluminum-lithium (Al-Li), calcium (Ca), magnesium-indium (Mg-In), magnesium-silver (Mg-Ag), and the like. It can be used as a material for forming cathodes (1 to 10). Alternatively, various modifications are possible, such as to form the transmissive cathode 1 10 using ⁇ , ⁇ to obtain a front light emitting element.
- the organic light emitting diode described above may be applied to an organic light emitting diode display.
- the intermediate 1-1 (166 g, 655.6 mmol) was dissolved in 1000 mL of methanol, and then potassium carbonate (90.6 g, 655.6 mmol) was slowly added dropwise to the reaction vessel. Stir for about 30 minutes, filter the solution, remove all solvent,
- the intermediate 1-11 (150 g, 592.4 mmol) was dissolved in 1000 mL of methane, and then potassium carbonate (81.6 g, 592.4 mmol) was slowly added dropwise to the reaction vessel. Stir for about 30 minutes, then filter the solution. Remove all solvents, then remove the reaction
- the intermediate 1-12 (100.g, 552.5 mmol) and tetraphenylcyclopentadione (106.2 g ; 176.2 mmol) were dissolved in 700 mL of xylene, and then heated to reflux for 3 hours. The reaction is completed by pouring the reaction mixture into 2000 mL of methanol. The solid was filtered to give 116.0 g (78%) of intermediate 1-13.
- 0.3 g (0.3 mmol) of tetrakis (triphenylphosphine) palladium (0) was added to 30 mL of 1,4-dioxane and 15 mL of water, and then heated to 60 ° C for 12 hours under a stream of nitrogen.
- 0.3 g (0.3 mmol) of tetrakis (triphenylphosphine) palladium (0) was added to 30 mL of 1,4-dioxane and 15 mL of water, and then heated to 60 ° C. under nitrogen stream for 12 hours.
- Tetraphenylcyclopentadione (180 g, 468.18 mmol) was used to synthesize 196 g (78%) of intermediate I-20 using the same synthesis method as for synthesis of Intermediate 1-3.
- An organic light emitting diode was manufactured using the compound monool host obtained in Synthesis Example 1 and using Ir (PPy) 3 as a dopant.
- ⁇ was used as a positive electrode with a thickness of 1000 A.
- Aluminum (A1) was used at a thickness of 1000 A. Specifically, the method of manufacturing the organic light emitting device was described.
- the anode was a 50 mm ⁇ 50 mm ⁇ 0.7 mm sized glass substrate having a sheet resistance of 15 ⁇ / ⁇ . After cutting with ultrasonic waves in acetone, isopropyl alcohol and pure water for 15 minutes each, UV ozone cleaning was used for 30 minutes.
- N4, N4'-di (naphthalen-l-yl) -N4, N4'-diphenylbiphenyl-4,4'-diam ⁇ (on the substrate at a vacuum degree of 650xlO-7Pa and deposition rate of 0.1 to 3 nm / s) NPB) (80 nm) was deposited to form a 800 A hole transport layer.
- a light emitting layer having a thickness of 300 A was formed using compound 1 obtained in Synthesis Example 1 under the same vacuum deposition conditions.
- Ir (PPy) 3 which is a phosphorescent dopant, was simultaneously deposited.
- Bis (2-methyl-8-quinolinolate) -4- (phenylphenolato) aluminum (BAlq) was deposited on the emission layer to form a hole blocking layer having a thickness of 50 A.
- Alq3 was deposited under the same vacuum deposition conditions to form an electron transport layer having a thickness of 200 A.
- LiF and A1 were sequentially deposited to manufacture an organic photoelectric device.
- the structure of the organic photoelectric device is ITO / NPB (80 nm) / EML (Compound 1 (90 weight 0 /.) + Ir (PPy) 3 (10 weight 0 / o), 30 nm) / Balq (5 nm) / It was produced in the structure of Alq3 (20 nm) / LiF (1 nm) / Al (100 nm). Examples 2-15
- NPB, BAlq, CBP and Ir (PPy) 3 used in the low-emission light emitting device is as follows.
- the current value flowing through the unit device was measured by using a current-voltmeter (Keithley 2400) while increasing the voltage from 0V to 10V, and the measured current value was divided by the area to obtain a result.
- the luminance was measured by using a luminance meter (Minolta Cs-IOOOA) while increasing the voltage from 0V to 10V to obtain a result.
- a luminance meter Minolta Cs-IOOOA
- the current efficiency (cd / A) of the same current density (10 mA / cm 2 ) was calculated using the luminance, current density and voltage measured from (1) and (2).
- Glass substrates coated with ⁇ dium (Indium tin oxide) to a thickness of 1500 A were washed with distilled water ultrasonically. After washing the distilled water, ultrasonic washing with isopropyl alcohol, acetone, methane and the like, dried and transferred to a plasma cleaner, and then cleaned the substrate using oxygen plasma for 10 minutes and then transferred the substrate to a vacuum depositor.
- Compound A was vacuum deposited on the ⁇ substrate using the prepared ⁇ transparent electrode as an anode to form a hole injection layer having a thickness of 700 A, and then Compound B was deposited to a thickness of 50 A on top of the injection layer, and then Compound C was deposited at 1020 A. Deposition to a thickness to form a hole transport layer.
- a light emitting layer having a thickness of 400 A was formed.
- compound 2 and compound B-1 were used in a 1: 1 ratio.
- the compound D and Liq are simultaneously vacuum deposited on the light emitting layer at a ratio of 1 to 1 to form an electron transport layer having a thickness of 300 A, and the Liq 15 A and A1 1200A are sequentially vacuum deposited on the electron transport layer to form a cathode.
- An organic light emitting device was manufactured.
- the organic light emitting device has a structure having five organic thin film layers, specifically as follows.
- Example 18 An organic light emitting diode was manufactured according to the same method as Example 16 except for using Compound 2 and Compound B-31 in a 1: 1 weight ratio.
- Example 18 An organic light emitting diode was manufactured according to the same method as Example 16 except for using Compound 2 and Compound B-31 in a 1: 1 weight ratio.
- Example 19 An organic light emitting diode was manufactured according to the same method as Example 16 except for using Compound 2 and Compound B-154 in a 1: 1 weight ratio.
- Example 19 An organic light emitting diode was manufactured according to the same method as Example 16 except for using Compound 2 and Compound B-154 in a 1: 1 weight ratio.
- Example 20 An organic light emitting diode was manufactured according to the same method as Example 16 except for using Compound 2 and Compound B-156 in a 1: 1 weight ratio.
- Example 20 An organic light emitting diode was manufactured according to the same method as Example 16 except for using Compound 2 and Compound B-156 in a 1: 1 weight ratio.
- Example 21 An organic light emitting diode was manufactured according to the same method as Example 16 except for using the compound 2 and the compound C-1 in a 1: 1 weight ratio.
- Example 21 An organic light emitting diode was manufactured according to the same method as Example 16 except for using the compound 2 and the compound C-1 in a 1: 1 weight ratio.
- Example 10 except that compound 10 and compound B-31 were used in a 1: 1 weight ratio
- Example 23 An organic light emitting diode was manufactured according to the same method as Example 16 except for using gad using Compound 34 and Compound B-31 in a 1: 1 weight ratio.
- Example 23
- Example 16 An organic light emitting diode was manufactured according to the same method as Example 16 except for using the compound 42 and the compound B-31 in a 1: 1 weight ratio.
- Example 24 An organic light emitting diode was manufactured according to the same method as Example 16 except for using Compound 65 and Compound B-31 in a 1: 1 weight ratio.
- An organic light emitting diode was manufactured according to the same method as Example 16 except for using the compound 142 and the compound B-31 in a 1: 1 weight ratio. Comparative Examples 4 to 6
- Example according to 16 to 25, and Comparative Examples 4 to 6 To evaluate the different light emission efficiency and lifetime characteristics of the organic light emitting element.
- the current value flowing through the unit device was measured by using a current-voltmeter (Keithley 2400) while increasing the voltage from 0V to 10V, and the measured current value was divided by the area to obtain a result.
- the luminance was measured by using a luminance meter (Minolta Cs-IOOOA) while increasing the voltage from 0V to 10V to obtain a result.
- a luminance meter Minolta Cs-IOOOA
- the current efficiency (cd / A) of the same current density (10 mA / cm 2 ) was calculated using the luminance, current density and voltage measured from (1) and (2).
- Example 24 Compound 34 B-31 1: 1 54.0 72
- Example 25 Compound 42 B-31 1: 1 52.4 69
- Example 26 Compound 65 B-31 55.3 60
- Example 27 Compound 142 B-31 54.4 69 Comparative Example 4 CBP-31.7 25 Bridge
- Example 5 Compound a-35.6 36
- Comparative Example 6 Compound b-36.1 35
- Table 2 the organic light emitting diode according to Examples 16 to 25 was compared with the organic light emitting diode according to Comparative Examples 3 to 6. It can be seen that the luminous efficiency and lifespan characteristics are significantly improved.
- ITO (Indium tin oxide) 7> A thin glass substrate coated with a thickness of 1500 A was washed with distilled water ultrasonically. After the washing of distilled water, ultrasonic washing with isopropyl alcohol, acetone, methanol and the like, dried and transferred to a plasma cleaner, and then washed the substrate using oxygen plasma for 10 minutes and then transferred to a vacuum evaporator. Compound A was vacuum deposited on the ⁇ substrate using the prepared ⁇ transparent electrode as an anode to form a hole injection layer having a thickness of 700 A, and then Compound B was deposited to a thickness of 50 A on top of the injection layer, and then Compound C was deposited at 1020 A. Deposition to a thickness to form a hole transport layer.
- BH113 and BD370 (purchased from SFC Co., Ltd.) were doped with a blue fluorescence light emitting host and a dopant at a concentration of 5 wt% of a dopant to form a 200 A light emitting layer by vacuum deposition. Thereafter, Compound 1 was vacuum-deposited on the emission layer to form an electron transport auxiliary layer having a thickness of 50A.
- the electron transport auxiliary layer may be used alone with the materials represented by the formula (1), and the compounds of groups B and C It can also be used in combination.
- Compound D and Liq were simultaneously vacuum deposited at a weight ratio of 1: 1 in the electron transport auxiliary layer to form an electron transport layer having a thickness of 300 A, and Liq l5 A and A1 1200A were sequentially vacuum deposited on the electron transport layer to form a cathode.
- an organic light emitting device was produced.
- Example 26 Same as Example 26 except that the electron transport auxiliary layer was not used.
- An organic light emitting device was manufactured by the method. evaluation
- the current value flowing through the unit device was measured using a current-voltmeter (Keithley 2400) while increasing the voltage from 0V to 10V, and the result was divided by the measured current value area.
- the luminance was measured by using a luminance meter (Minolta Cs-IOOOA) while increasing the voltage from 0V to 10V to obtain a result.
- a luminance meter Minolta Cs-IOOOA
- the current efficiency (cd / A) of the same current density (10 mA / cm 2 ) was calculated using the luminance, current density and voltage measured from (1) and (2).
- the devices of Examples 26 to 40 and Comparative Examples 7 to 9 emit light at an initial luminance (cd / m 2 ) of 750 cd / m 2 and then over time. By measuring the decrease in luminance, the time point when the luminance was reduced to 97% of the initial luminance was measured as the life of T97.
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US16/075,428 US10851056B2 (en) | 2016-02-04 | 2016-04-18 | Compound for organic optoelectronic device, organic optoelectronic device and display apparatus |
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EP4198103A1 (en) | 2021-12-14 | 2023-06-21 | Novaled GmbH | Organic light emitting diode and device comprising the same |
WO2023110610A1 (en) | 2021-12-14 | 2023-06-22 | Novaled Gmbh | Organic light emitting diode, method for preparing the same and device comprising the same |
WO2023110608A1 (en) | 2021-12-14 | 2023-06-22 | Novaled Gmbh | Organic light emitting diode and device comprising the same |
Also Published As
Publication number | Publication date |
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US10851056B2 (en) | 2020-12-01 |
JP6579725B2 (ja) | 2019-09-25 |
EP3412751A4 (en) | 2019-07-03 |
CN108713051A (zh) | 2018-10-26 |
KR20170093023A (ko) | 2017-08-14 |
KR101940169B1 (ko) | 2019-01-18 |
TW201728574A (zh) | 2017-08-16 |
CN108713051B (zh) | 2021-05-04 |
EP3412751A1 (en) | 2018-12-12 |
US20180339967A1 (en) | 2018-11-29 |
JP2019511464A (ja) | 2019-04-25 |
TWI624462B (zh) | 2018-05-21 |
EP3412751B1 (en) | 2020-07-15 |
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