CN107936955A - 7H‑苯并[de]蒽类有机电致发光材料、发光器件及显示器 - Google Patents
7H‑苯并[de]蒽类有机电致发光材料、发光器件及显示器 Download PDFInfo
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- CN107936955A CN107936955A CN201711269167.8A CN201711269167A CN107936955A CN 107936955 A CN107936955 A CN 107936955A CN 201711269167 A CN201711269167 A CN 201711269167A CN 107936955 A CN107936955 A CN 107936955A
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- electroluminescence device
- organic electroluminescence
- benzos
- aryl
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- 239000011368 organic material Substances 0.000 title claims abstract description 24
- 229940049706 benzodiazepine Drugs 0.000 title claims abstract description 21
- 150000001454 anthracenes Chemical class 0.000 title claims abstract description 14
- 125000005605 benzo group Chemical group 0.000 title abstract 2
- 238000005401 electroluminescence Methods 0.000 claims abstract description 64
- 150000001875 compounds Chemical class 0.000 claims abstract description 50
- 239000000463 material Substances 0.000 claims description 72
- 229910052799 carbon Inorganic materials 0.000 claims description 50
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 32
- 125000003118 aryl group Chemical group 0.000 claims description 19
- 150000001721 carbon Chemical class 0.000 claims description 18
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 11
- 238000007363 ring formation reaction Methods 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- -1 xenyl Chemical group 0.000 claims description 7
- 238000006467 substitution reaction Methods 0.000 claims description 5
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical group C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 claims description 4
- DCERHCFNWRGHLK-UHFFFAOYSA-N C[Si](C)C Chemical class C[Si](C)C DCERHCFNWRGHLK-UHFFFAOYSA-N 0.000 claims description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical group C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 4
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical group N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 claims description 4
- IYYZUPMFVPLQIF-UHFFFAOYSA-N dibenzothiophene Chemical compound C1=CC=C2C3=CC=CC=C3SC2=C1 IYYZUPMFVPLQIF-UHFFFAOYSA-N 0.000 claims description 4
- TXCDCPKCNAJMEE-UHFFFAOYSA-N dibenzofuran Chemical compound C1=CC=C2C3=CC=CC=C3OC2=C1 TXCDCPKCNAJMEE-UHFFFAOYSA-N 0.000 claims description 3
- 230000005525 hole transport Effects 0.000 claims description 3
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 claims description 2
- VIJYEGDOKCKUOL-UHFFFAOYSA-N 9-phenylcarbazole Chemical class C1=CC=CC=C1N1C2=CC=CC=C2C2=CC=CC=C21 VIJYEGDOKCKUOL-UHFFFAOYSA-N 0.000 claims description 2
- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical group C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 claims description 2
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 claims description 2
- 125000001624 naphthyl group Chemical group 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 2
- 125000003545 alkoxy group Chemical group 0.000 claims 1
- 125000003785 benzimidazolyl group Chemical group N1=C(NC2=C1C=CC=C2)* 0.000 claims 1
- 125000005561 phenanthryl group Chemical group 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 63
- 238000001704 evaporation Methods 0.000 description 24
- 230000008020 evaporation Effects 0.000 description 24
- 238000007738 vacuum evaporation Methods 0.000 description 20
- 230000015572 biosynthetic process Effects 0.000 description 18
- 238000003786 synthesis reaction Methods 0.000 description 18
- 230000005540 biological transmission Effects 0.000 description 15
- 239000000047 product Substances 0.000 description 13
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 230000005311 nuclear magnetism Effects 0.000 description 12
- 239000011521 glass Substances 0.000 description 9
- 230000027756 respiratory electron transport chain Effects 0.000 description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 8
- 239000000975 dye Substances 0.000 description 8
- 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 8
- 239000004327 boric acid Substances 0.000 description 7
- 238000001514 detection method Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000005160 1H NMR spectroscopy Methods 0.000 description 6
- GEQBRULPNIVQPP-UHFFFAOYSA-N 2-[3,5-bis(1-phenylbenzimidazol-2-yl)phenyl]-1-phenylbenzimidazole Chemical compound C1=CC=CC=C1N1C2=CC=CC=C2N=C1C1=CC(C=2N(C3=CC=CC=C3N=2)C=2C=CC=CC=2)=CC(C=2N(C3=CC=CC=C3N=2)C=2C=CC=CC=2)=C1 GEQBRULPNIVQPP-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- CECAIMUJVYQLKA-UHFFFAOYSA-N iridium 1-phenylisoquinoline Chemical compound [Ir].C1=CC=CC=C1C1=NC=CC2=CC=CC=C12.C1=CC=CC=C1C1=NC=CC2=CC=CC=C12.C1=CC=CC=C1C1=NC=CC2=CC=CC=C12 CECAIMUJVYQLKA-UHFFFAOYSA-N 0.000 description 6
- 239000012046 mixed solvent Substances 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 4
- 239000012043 crude product Substances 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 125000005266 diarylamine group Chemical group 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 239000012044 organic layer Substances 0.000 description 4
- VQGHOUODWALEFC-UHFFFAOYSA-N 2-phenylpyridine Chemical compound C1=CC=CC=C1C1=CC=CC=N1 VQGHOUODWALEFC-UHFFFAOYSA-N 0.000 description 3
- 150000005763 3-bromopyridine Chemical class 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical class C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 3
- 239000003480 eluent Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004768 lowest unoccupied molecular orbital Methods 0.000 description 3
- MEYZYGMYMLNUHJ-UHFFFAOYSA-N tunicamycin Natural products CC(C)CCCCCCCCCC=CC(=O)NC1C(O)C(O)C(CC(O)C2OC(C(O)C2O)N3C=CC(=O)NC3=O)OC1OC4OC(CO)C(O)C(O)C4NC(=O)C MEYZYGMYMLNUHJ-UHFFFAOYSA-N 0.000 description 3
- 0 *C(*)(c1ccc2)c(cc(cc3)N(*)*)c3-c3c1c2c(*)cc3 Chemical compound *C(*)(c1ccc2)c(cc(cc3)N(*)*)c3-c3c1c2c(*)cc3 0.000 description 2
- NHNOUJCAHMXIGR-UHFFFAOYSA-N 7h-benzo[a]phenalene Chemical compound C1=CC(CC=2C3=CC=CC=2)=C2C3=CC=CC2=C1 NHNOUJCAHMXIGR-UHFFFAOYSA-N 0.000 description 2
- PVFOHMXILQEIHX-UHFFFAOYSA-N 8-[(6-bromo-1,3-benzodioxol-5-yl)sulfanyl]-9-[2-(2-bromophenyl)ethyl]purin-6-amine Chemical compound C=1C=2OCOC=2C=C(Br)C=1SC1=NC=2C(N)=NC=NC=2N1CCC1=CC=CC=C1Br PVFOHMXILQEIHX-UHFFFAOYSA-N 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 239000004305 biphenyl Substances 0.000 description 2
- 235000010290 biphenyl Nutrition 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004042 decolorization Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004770 highest occupied molecular orbital Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 239000001044 red dye Substances 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 229960001866 silicon dioxide Drugs 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 125000005259 triarylamine group Chemical group 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- HIXDQWDOVZUNNA-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-hydroxy-7-methoxychromen-4-one Chemical compound C=1C(OC)=CC(O)=C(C(C=2)=O)C=1OC=2C1=CC=C(OC)C(OC)=C1 HIXDQWDOVZUNNA-UHFFFAOYSA-N 0.000 description 1
- 239000005725 8-Hydroxyquinoline Substances 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 229960000583 acetic acid Drugs 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- WORJEOGGNQDSOE-UHFFFAOYSA-N chloroform;methanol Chemical compound OC.ClC(Cl)Cl WORJEOGGNQDSOE-UHFFFAOYSA-N 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- WMKGGPCROCCUDY-PHEQNACWSA-N dibenzylideneacetone Chemical compound C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1 WMKGGPCROCCUDY-PHEQNACWSA-N 0.000 description 1
- GLUUGHFHXGJENI-UHFFFAOYSA-N diethylenediamine Natural products C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000007850 fluorescent dye Substances 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 150000002460 imidazoles Chemical class 0.000 description 1
- RHZWSUVWRRXEJF-UHFFFAOYSA-N indium tin Chemical compound [In].[Sn] RHZWSUVWRRXEJF-UHFFFAOYSA-N 0.000 description 1
- ZEWMZYKTKNUFEF-UHFFFAOYSA-N indium;oxozinc Chemical compound [In].[Zn]=O ZEWMZYKTKNUFEF-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001819 mass spectrum Methods 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229960003540 oxyquinoline Drugs 0.000 description 1
- ZOUWOGOTHLRRLS-UHFFFAOYSA-N palladium;phosphane Chemical compound P.[Pd] ZOUWOGOTHLRRLS-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 238000005036 potential barrier Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical class [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- ZDBNGNFESHFGPV-UHFFFAOYSA-N toluene;tributylphosphane Chemical compound CC1=CC=CC=C1.CCCCP(CCCC)CCCC ZDBNGNFESHFGPV-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/24—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D213/36—Radicals substituted by singly-bound nitrogen atoms
- C07D213/38—Radicals substituted by singly-bound nitrogen atoms having only hydrogen or hydrocarbon radicals attached to the substituent nitrogen atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/12—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
- C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
- C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
- C07D235/18—Benzimidazoles; Hydrogenated benzimidazoles with aryl radicals directly attached in position 2
-
- 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
- C07D239/26—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 only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
- C07D241/02—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
- C07D241/10—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D241/12—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
-
- 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
-
- C—CHEMISTRY; METALLURGY
- 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
- C07D401/12—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 chain containing hetero atoms as chain links
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
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Abstract
本发明涉及显示技术领域,特别是涉及7H‑苯并[de]蒽类有机电致发光材料、有机电致发光器件及显示器。根据本发明的化合物如式(1)所示:
Description
技术领域
本发明涉及显示技术领域,特别是涉及7H-苯并[de]蒽类有机电致发光材料、有机电致发光器件及显示器。
背景技术
有机电致发光器件(Organic Light Emitting Display,简称OLED)作为新型的平板显示器,与液晶显示器(Liquid Crystal Display,简称LCD)相比,具有薄、轻、宽视角、主动发光、发光颜色连续可调、成本低、响应速度快、能耗小、驱动电压低、工作温度范围宽、生产工艺简单、发光效率高及可柔性显示等优点,得到了产业界和科学界的极大关注。
有机电致发光器件的发展促进了人们对有机电致发光材料的研究。相对于无机发光材料,有机电致发光材料具有以下优点:有机材料加工性能好,可通过蒸镀或者旋涂的方法在任何基板上成膜;有机分子结构的多样性使得可以通过分子结构设计及修饰的方法来调节有机材料的热稳定性、机械性能、发光及导电性能,使得材料有很大的改进空间。
有机电致发光的产生靠的是在有机半导体材料中传输的载流子(电子和空穴)的重组。众所周知,有机材料的导电性很差,有机半导体中没有延续的能带,载流子的传输常用跳跃理论来描述。为了能使有机电致发光器件在应用方面达到突破,必须克服有机材料电荷注入及传输能力差的困难。科学家们通过器件结构的调整,例如增加器件有机材料层的数目,并且使不同的有机层扮演不同的器件层,例如有的功能材料可以促进电子从阴极注入,有的功能材料可以促进空穴从阳极注入,有的材料可以促进电荷的传输,有的材料则能起到阻挡电子或者空穴传输的作用,当然在有机电致发光器件里最重要的各种颜色的发光材料也要达到与相邻功能材料相匹配的目的,因此,效率好寿命长的有机电致发光器件通常是器件结构以及各种有机材料优化搭配的结果,这就为化学家们设计开发各种结构的功能化材料提供了极大的机遇和挑战。
发明内容
本发明提供了7H-苯并[de]蒽类有机电致发光材料、包含该化合物的有机电致发光器件及具有该有机电致发光器件的显示装置。
根据本发明的一方面,提供了7H-苯并[de]蒽类有机电致发光材料,该化合物如式(1)所示:
其中X选自碳原子数为1~20的脂肪族烷基,碳原子数为6-30的芳基,取代的碳原子数为6-30的芳基,并且两个X上的碳原子可以连接成环;Y选自碳原子数为3~10的含氮杂环,取代的碳原子数为3~10的含氮杂环;Ar1,Ar2,Ar3,Ar4,Ar5,Ar6分别独立的选自碳原子数为6-30的芳基,并且Ar3和Ar4之间可以通过其上的碳原子连接成环,Ar5和Ar6之间可以通过其上的碳原子连接成环;Ar1,Ar2,Ar3,Ar4,Ar5,Ar6可以被一个或一个以上的碳原子数为1~20的脂肪族烷基、碳原子数为1~20的脂肪族烷氧基、碳原子数为6~30的芳基、三甲基硅基取代;m,n独立的选自0,1。
进一步的,本发明化合物如式(2)~式(5)所示:
其中,Y选自碳原子数为3~10的含氮杂环,取代的碳原子数为3~10的含氮杂环;Ar1,Ar2,Ar3,Ar4,Ar5,Ar6分别独立的选自碳原子数为6-30的芳基,并且Ar3和Ar4之间可以通过其上的碳原子连接成环,Ar5和Ar6之间可以通过其上的碳原子连接成环;Ar1,Ar2,Ar3,Ar4,Ar5,Ar6可以被一个或一个以上的碳原子数为1~20的脂肪族烷基、碳原子数为1~20的脂肪族烷氧基、碳原子数为6~30的芳基、三甲基硅基取代;m,n独立的选自0,1。
更进一步的,Y选自吡啶、喹啉、嘧啶、三嗪、碳原子数为6-30的芳基取代的三嗪、苯并咪唑、碳原子数为6-30的芳基取代的苯并咪唑;Ar1,Ar2,Ar3,Ar4,Ar5,Ar6分别独立的选自苯基、萘基、联苯基、芴基、螺芴基、二苯并呋喃基、二苯并噻吩基、咔唑基、N-苯基咔唑基、菲基、茚并咔唑基、二茚并咔唑基;Ar1,Ar2,Ar3,Ar4,Ar5,Ar6可以被一个或一个以上的碳原子数为1~20的脂肪族烷基、碳原子数为1~20的脂肪族烷氧基、碳原子数为6~30的芳基、三甲基硅基取代;m,n独立的选自0,1。
可选地,根据本发明的有机电致发光材料选自:
根据本发明的另一方面,提供了一种有机电致发光器件,所述有机电致发光器件含有本发明的7H-苯并[de]蒽类有机电致发光材料。
可选地,所述有机电致发光器件的有机发光层的客体材料和/或空穴传输材料和/或主体材料为根据本发明的有机电致发光材料。可选地,根据本发明的7H-苯并[de]蒽类有机电致发光材料在有机电致发光器件中为蓝色荧光客体材料。可选地,根据本发明的7H-苯并[de]蒽类有机电致发光材料在有机电致发光器件中为磷光主体材料。
根据本发明的另一方面,提供了一种显示器,该显示装置包括根据本发明的有机电致发光器件。
根据本发明的另一方面,提供了一种电子设备,所述电子设备显示器包括本发明所述的有机电致发光器件;所述电子设备包括电视、手机、手表、电子书、运动手环、平板电脑、带有电子显示功能的电子门票、车载仪表。
本发明的有益效果如下:
本发明提供的化合物可以用在有机电致发光器件的客体材料和/或空穴传输材料和/或主体材料。
具体实施方式
具体实施方式仅为对本发明的说明,而不构成对本发明内容的限制,下面将结合具体的实施方式对本发明进行进一步说明和描述。
为了更加详细地说明本发明的化合物,下面将列举上述具体化合物的合成方法对本发明进行进一步的描述。
实施例1化合物A-1的合成
合成方程式如下:
中间体M-1的合成
向氮气保护的100毫升三口瓶中,加入28.8克(0.1mol)式M-0所示化合物7,7-二甲基-7H-苯并[de]蒽-3-硼酸(购自河北德隆泰化工有限公司),15.8克(0.1mol)3-溴吡啶,200毫升甲苯,200毫升乙醇,160毫升水27.6克(0.2mol)碳酸钾,5.78克(0.005mol)四三苯基膦钯,加毕缓慢升温至70℃,反应8小时,降温。加水分液,有机层水洗,无水硫酸钠干燥,硅胶柱脱色处理,洗脱液浓缩至干,得到中间体M-1粗品。将上述M-1粗品用甲醇重结晶,干燥,得到中间体M-1精品25.1克,收率78.19%。
对得到的式M-1所示中间体进行MS测试,产品分子量m/e:321。
中间体M-2的合成
500毫升三口瓶中,加入16.5克(0.05mol)式M-1所示中间体,100毫升二氯甲烷,50毫升冰醋酸,1克铁粉,升温至40℃,控制40~45℃滴加8克(0.05mom)液溴的10毫升二氯甲烷溶液。滴加完毕,保持40~45℃反应12小时,加水分液,有机层水洗,无水硫酸钠干燥,硅胶柱脱色处理,洗脱液浓缩至干,得到中间体M-2粗品。将上述M-2粗品用氯仿甲醇混合溶剂重结晶,干燥,得到中间体M-2精品10.6克,收率53.0%。
对得到的式M-2所示中间体进行MS测试,产品分子量m/e:399。
对得到的式M-2所示中间体进行了核磁检测,所得到的核磁图的解析数据如下:
1HNMR(500MHz,CDCl3):δ9.24(d,1H),δ8.88(m,1H),δ8.71(m,1H),δ8.33(m,1H),δ7.76(m,1H),δ7.65(d,1H),δ7.57(d,1H),δ7.52(m,2H),δ7.47(t,1H),δ7.26(t,1H),δ6.91(m,1H),δ1.81(s,6H)。
化合物A--1的合成
在500毫升的三口瓶中,在氮气保护下,加入120毫升干燥的甲苯、12克(0.03mol)式M-2所示中间体、5.58克(0.033mol)二苯胺、3.84克(0.04mol)叔丁醇钠、0.28克(0.0005mol)双(二亚苄基丙酮)钯、1.01克(0.0005mol)10%的三叔丁基膦的甲苯溶液,加热至回流反应6小时后降至室温,加入稀盐酸,分液,有机层用水洗涤到中性,用无水硫酸镁干燥后,用硅胶柱分离,用石油醚:乙酸乙酯(体积比为5:5)作为洗脱剂进行洗脱,得到式A-1所示的产品7.1克,收率为48.5%。
对得到的化合物A-1,进行质谱检测,产品m/e:488。
对得到的式A-1所示产品进行了核磁检测,所得到的核磁图的解析数据如下:
1HNMR(500MHz,CDCl3):δ9.24(d,1H),δ8.88(m,1H),δ8.70(m,1H),δ8.33(m,1H),δ7.75(m,2H),δ7.57(d,1H),δ7.46(m,2H),δ7.30~7.22(m,6H),δ7.08(m,4H),δ7.00(m,2H),δ6.91(m,1H),δ1.85(s,6H)。
实施例2
参照化合物A-1的合成,利用中间体M-2和相应的二芳基胺类反应,制备以下化合物,对所得到的化合物进行了质谱检测,质谱数据见下表:
实施例3化合物B-1的合成
参照化合物A-1的合成,只是将其中的7,7-二甲基-7H-苯并[de]蒽-3-硼酸换成7,7-二苯基-7H-苯并[de]蒽-3-硼酸(购自河北德隆泰化工有限公司),制备得到化合物B-1。
对得到的化合物B-1,进行质谱检测,产品m/e:612。
对得到的式B-1所示产品进行了核磁检测,所得到的核磁图的解析数据如下:
1HNMR(500MHz,CDCl3):δ9.25(d,1H),δ8.85(m,1H),δ8.70(m,1H),δ8.35(m,1H),δ7.74(m,2H),δ7.56(d,1H),δ7.46(m,2H),δ7.30~7.16(m,12H),δ7.12~7.06(m,8H),δ7.05(m,2H),δ6.86(m,1H)。
实施例4
参照化合物B-1的合成,利用中间体M-4和相应的二芳基胺类反应,制备以下化合物,对所得到的化合物进行了质谱检测,质谱数据见下表:
实施例5化合物C-1的合成
参照化合物A-1的合成,只是将其中的7,7-二甲基-7H-苯并[de]蒽-3-硼酸换成M-01所示螺[苯并[de]蒽-7,9'-芴]-3-硼酸(购自河北德隆泰化工有限公司),制备得到化合物C-1。
对得到的化合物C-1,进行质谱检测,产品m/e:610。
对得到的式C-1所示产品进行了核磁检测,所得到的核磁图的解析数据如下:
1HNMR(500MHz,CDCl3):δ9.24(d,1H),δ8.85(m,1H),δ8.71(m,1H),δ8.34(m,1H),δ7.90(m,2H),δ7.74(m,4H),δ7.56(d,1H),δ7.45(m,2H),δ7.34(m,2H),δ7.30~7.16(m,8H),δ7.08(m,4H),δ7.00(m,2H),δ6.88(m,1H)。
实施例6
参照化合物C-1的合成,利用中间体M-6和相应的二芳基胺类反应,制备以下化合物,对所得到的化合物进行了质谱检测,质谱数据见下表:
实施例7化合物D-1的合成
参照化合物A-1的合成,只是将其中的7,7-二甲基-7H-苯并[de]蒽-3-硼酸换成M-02所示螺[苯并[de]蒽-7,1'-环己烷]-3-硼酸(购自河北德隆泰化工有限公司),制备得到化合物D-1。
对得到的化合物D-1,进行质谱检测,产品m/e:528。
对得到的式D-1所示产品进行了核磁检测,所得到的核磁图的解析数据如下:
1HNMR(500MHz,CDCl3):δ9.24(d,1H),δ8.87(m,1H),δ8.70(m,1H),δ8.33(m,1H),δ7.74(m,2H),δ7.57(d,1H),δ7.46(m,2H),δ7.28~7.22(m,6H),δ7.08(m,4H),δ7.00(m,2H),δ6.91(m,1H),δ2.43(m,2H),δ2.20(m,2H),δ1.53(m,2H),δ1.44(m,4H)。
实施例8
参照化合物D-1的合成,利用中间体M-8和相应的二芳基胺类反应,制备以下化合物,对所得到的化合物进行了质谱检测,质谱数据见下表:
实施例9
参照化合物A-1的合成,只是根据需要将其中的3-溴吡啶换成相应的溴代物,将其中的二苯胺换成相应的二芳基胺类化合物制备以下化合物,对所得到的化合物进行了质谱检测,质谱数据见下表:
实施例10化合物F-1的合成
参照化合物A-1的合成,只是将其中的3-溴吡啶换成2-溴-4,6-二苯基-1,3,5-三嗪,将其中的二苯胺换成二(3,4-二甲基苯基)胺,制备得到化合物F-1。
对得到的化合物F-1,进行质谱检测,产品m/e:698。
对得到的式F-1所示产品进行了核磁检测,所得到的核磁图的解析数据如下:
1HNMR(500MHz,CDCl3):δ8.88(m,1H),δ8.36(m,4H),δ7.76(d,1H),δ7.72(d,1H),δ7.57(d,1H),δ7.53~7.45(m,7H),δ7.26(m,2H),δ7.20(d,2H),δ7.03(m,2H),δ6.95(d,2H),δ6.91(m,1H),2.21(s,6H),δ2.19(s,6H),δ1.82(s,6H)。
实施例11
参照化合物F-1的合成,只是根据需要将其中的2-溴-4,6-二苯基-1,3,5-三嗪换成相应的溴代物,将其中的二(3,4-二甲基苯基)胺换成相应的二芳基胺类化合物制备以下化合物,对所得到的化合物进行了质谱检测,制备所得化合物的质谱数据见下表:
根据本发明的另一方面,提供了一种有机电致发光器件,该有机电致发光器件的客体材料和/或空穴传输材料和/或主体材料为根据本发明的有机电致发光材料。
有机电致发光器件的典型结构为:基片/阳极/空穴注入层/空穴传输层(HTL)/有机发光层主体材料:发光层客体材料/电子传输层(ETL)/电子注入层/阴极。有机电致发光器件结构可以为单发光层也可以是多发光层。
其中,基片可以使用传统有机电致发光器件中的基板,如:玻璃或塑料。阳极可以采用透明的高导电性材料,如:铟锡氧(ITO)、铟锌氧(IZO)、二氧化锡(SnO2)、氧化锌(ZnO)。
空穴注入层的空穴注入材料(Hole Injection Material,简称HIM),要求具有高的热稳定性(高的Tg),与阳极有较小的势垒,能真空蒸镀形成无针孔薄膜。常用的HTM均为芳香多胺类化合物,主要是三芳胺类衍生物。
空穴传输层的空穴传输材料(Hole Transport Material,简称HTM),要求具有高的热稳定性(高的Tg),较高的空穴传输能力,能真空蒸镀形成无针孔薄膜。常用的HTM均为芳香多胺类化合物,主要是三芳胺类衍生物。
有机发光层包括主体材料(host)和客体材料,其中客体材料为发光材料,例如染料,主体材料需要具备以下特点:可逆的电化学氧化还原电位,与相邻的空穴传输层及电子传输层相匹配的HOMO能级及LUMO能级,良好且相匹配的空穴及电子传输能力,良好的高的热稳定性及成膜性,以及合适的单线态或者三线态能隙用来控制激子在发光层,还有与相应的荧光染料或者磷光染料间良好的能量转移。有机发光层的发光材料,以染料为例,需要具备以下特点:具有高的荧光或者磷光量子效率;染料的吸收光谱与主体的发射光谱有好的重叠,即主体与染料能量适配,从主体到染料能有效地能量传递;红、绿、蓝的发射峰尽可能窄,以获得好的色纯度;稳定性好,能够进行蒸镀等。
电子传输层的电子传输材料(Electron transport Material,简称ETM)要求ETM有可逆而且足够高的电化学还原电位,合适的HOMO能级和LUMO(Lowest UnoccupiedMolecular Orbital,最低未占分子轨道)能级值使得电子能够更好地注入,而且最好具有空穴阻挡能力;较高的电子传输能力,有好的成膜性和热稳定性。ETM一般为具有缺电子结构的共轭平面的芳香化合物。电子传输层采用Alq3(8-羟基喹啉铝)或者TAZ(3-苯基-4-(1’-萘基)-5-苯-1,2,4-三唑)或者TPBi(1,3,5-三(N-苯基-2-苯并咪唑)苯)或者取自这三种材料的任意两种的搭配。
根据本发明的另一方面,提供了一种显示器,该显示器包括根据本发明的有机电致发光器件。
根据本发明的另一方面,提供了一种电子设备,所述电子设备显示器包括本发明所述的有机电致发光器件;所述电子设备包括电视、手机、手表、电子书、运动手环、平板电脑、带有电子显示功能的电子门票。
由此可见,根据本发明的化合物、有机电致发光器件、显示器及带有显示装置的电子器件的可选因素较多,根据本发明的权利要求可以组合出不同的实施例。本发明的实施例仅作为对本发明的具体描述,并不作为对本发明的限制。下面将结合含有本发明的化合物的有机电致发光器件作为实施例对本发明进行进一步描述。
本发明中使用的几种材料具体结构见下:
实施例12
以本发明的化合物作为有机电致发光器件中的发光层客体材料,作为对比的有机电致发光器件,发光层客体材料选用BD-1和BD-2。
有机电致发光器件结构为:ITO/HIL02(100nm)/NPB(40nm)/EM1:发光层客体材料[5%](30nm)/ETL(20nm)/LiF(0.5nm)/Al(150nm)。
有机电致发光器件制备过程如下:
将涂布了ITO透明导电层(作为阳极)的玻璃基板在清洗剂中进行超声处理,然后在去离子水中冲洗,再在丙酮与乙醇混合溶剂中超声除油,再在洁净环境下烘烤至完全除水,用紫外光和臭氧清洗,并用低能阳离子束轰击表面,以改善表面的性质,提高与空穴注入层的结合能力;
将上述玻璃基板置于真空腔内,抽真空至1×10-5~9×10-3Pa,在阳极上真空蒸镀HIL02作为空穴注入层,蒸镀速率0.1nm/s,蒸镀膜厚为100nm;
在空穴注入层上真空蒸镀NPB作为空穴传输层,蒸镀速率为0.1nm/s,蒸镀膜厚为40nm;
在空穴传输层之上真空蒸镀发光主体材料和客体材料,作为有机电致发光器件的发光层,蒸镀速率为0.1nm/s,蒸镀总膜厚为30nm;其中EM1:发光层客体材料[5%]”是指发光层客体材料的掺杂比例,即主体材料与发光层客体材料的重量份比为100:5;
在有机发光层之上真空蒸镀Alq3作为有机电致发光器件的电子传输层;其蒸镀速率为0.1nm/s,蒸镀总膜厚为20nm;
在电子传输层(ETL)上真空蒸镀0.5nm的LiF作为电子注入层;
在电子注入层之上真空蒸镀150nm的铝(Al)作为阴极。
有机电致发光器件性能见下表:
可以看出,在相同的亮度条件下,采用本发明的化合物作为发光层客体材料制得的有机电致发光器件与采用BD-1和BD-2作为发光层客体材料制得的有机电致发光器件相比,具有较低的驱动电压和较高的电流效率。
实施例13
以本发明的化合物作为红色磷光OLED有机电致发光器件中的主体材料,作为对比的有机电致发光器件,红光主体材料选用CBP。
有机电致发光器件结构为:ITO/NPB(20nm)/红光主体材料(30nm):Ir(piq)3[5%]/TPBI(10nm)/Alq3(15nm)/LiF(0.5nm)/Al(150nm)。
有机电致发光器件制备过程如下:将涂布了ITO透明导电层的玻璃板在商用清洗剂中超声处理,在去离子水中冲洗,在丙酮:乙醇混合溶剂中超声除油,在洁净环境下烘烤至完全除去水份,用紫外光和臭氧清洗,并用低能阳离子束轰击表面;
把上述带有阳极的玻璃基片置于真空腔内,抽真空至1×10-5~9×10-3Pa,在上述阳极层膜上真空蒸镀空穴传输层NPB,蒸镀速率为0.1nm/s,蒸镀膜厚为20nm;
在空穴传输层之上真空蒸镀发光主体材料和染料,作为有机电致发光器件的发光层,蒸镀速率为0.1nm/s,蒸镀总膜厚为30nm;其中“Ir(piq)3[5%]”是指红光染料的掺杂比例,即红光主体材料与Ir(piq)3的重量份比为100:5;
在发光层之上依次真空蒸镀电子传输层TPBI和Alq3,其蒸镀速率均为0.1nm/s,蒸镀膜厚分别为10nm和15nm;
在电子传输层上真空蒸镀0.5nm的LiF,150nm的Al作为电子注入层和阴极。
有机电致发光器件性能见下表:
由上表可以看到,采用本发明化合作为磷光主体的有机电致发光器件相对于采用CBP作为主体的有机电致发光器件获得了较好的效果,获得了更高的电流效率和较低的驱动电压。
实施例14
以本发明的化合物作为绿色磷光OLED有机电致发光器件中的主体材料,作为对比的有机电致发光器件,绿光主体材料选用CBP。
有机电致发光器件结构为:ITO/NPB(20nm)/绿光主体材料(30nm):Ir(ppy)3[7%]/TPBI(10nm)/Alq3(15nm)/LiF(0.5nm)/Al(150nm)。
有机电致发光器件制备过程如下:将涂布了ITO透明导电层的玻璃板在商用清洗剂中超声处理,在去离子水中冲洗,在丙酮:乙醇混合溶剂中超声除油,在洁净环境下烘烤至完全除去水份,用紫外光和臭氧清洗,并用低能阳离子束轰击表面;
把上述带有阳极的玻璃基片置于真空腔内,抽真空至1×10-5~9×10-3Pa,在上述阳极层膜上真空蒸镀空穴传输层NPB,蒸镀速率为0.1nm/s,蒸镀膜厚为20nm;
在空穴传输层之上真空蒸镀发光主体材料和染料,作为有机电致发光器件的发光层,蒸镀速率为0.1nm/s,蒸镀总膜厚为30nm;其中“Ir(ppy)3[7%]”是指绿光染料的掺杂比例,即绿光主体材料与Ir(ppy)3的重量份比为100:7;
在发光层之上依次真空蒸镀电子传输层TPBI和Alq3,其蒸镀速率均为0.1nm/s,蒸镀膜厚分别为10nm和15nm;
在电子传输层上真空蒸镀0.5nm的LiF,150nm的Al作为电子注入层和阴极。
有机电致发光器件性能见下表:
由上表可以看到,采用本发明化合作为磷光主体的有机电致发光器件相对于采用CBP作为主体的有机电致发光器件获得了较好的效果,获得了更高的电流效率和较低的驱动电压。
实施例15
以本发明的化合物作为红色磷光OLED有机电致发光器件中的空穴传输材料,作为对比的有机电致发光器件,空穴传输材料采用NPB。
有机电致发光器件结构为:ITO/空穴传输材料(20nm)/CBP(30nm):Ir(piq)3[5%]/TPBI(10nm)/Alq3(15nm)/LiF(0.5nm)/Al(150nm)。
有机电致发光器件制备过程如下:将涂布了ITO透明导电层的玻璃板在商用清洗剂中超声处理,在去离子水中冲洗,在丙酮:乙醇混合溶剂中超声除油,在洁净环境下烘烤至完全除去水份,用紫外光和臭氧清洗,并用低能阳离子束轰击表面;
把上述带有阳极的玻璃基片置于真空腔内,抽真空至1×10-5~9×10-3Pa,在上述阳极层膜上真空蒸镀空穴传输层,蒸镀速率为0.1nm/s,蒸镀膜厚为20nm;
在空穴传输层之上真空蒸镀发光主体材料和染料,作为有机电致发光器件的发光层,蒸镀速率为0.1nm/s,蒸镀总膜厚为30nm;其中“Ir(piq)3[5%]”是指红光染料的掺杂比例,即红光主体材料与Ir(piq)3的重量份比为100:5;
在发光层之上真空蒸镀电子传输层,电子传输层采用TPBI和Alq3,其蒸镀速率均为0.1nm/s,蒸镀膜厚分别为10nm和15nm;
在电子传输层上真空蒸镀0.5nm的LiF,150nm的Al作为电子注入层和阴极。
有机电致发光器件性能见下表:
由上表可以看到:采用本发明化合作为空穴传输材料的有机电致发光器件相对于采用NPB作为空穴传输材料的有机电致发光器件,获得了更高的电流效率和较低的驱动电压。
显然,本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样,倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内,则本发明也意图包含这些改动和变型在内。
Claims (10)
1.7H-苯并[de]蒽类有机电致发光材料,其特征在于,所述化合物如式(1)所示:
其中X选自碳原子数为1~20的脂肪族烷基,碳原子数为6-30的芳基,取代的碳原子数为6-30的芳基,并且两个X上的碳原子可以连接成环;
Y选自碳原子数为3~10的含氮杂环,取代的碳原子数为3~10的含氮杂环,Ar1,Ar2,Ar3,Ar4,Ar5,Ar6分别独立的选自碳原子数为6-30的芳基,并且Ar3和Ar4之间可以通过其上的碳原子连接成环,Ar5和Ar6之间可以通过其上的碳原子连接成环;所述Ar1,Ar2,Ar3,Ar4,Ar5,Ar6可以被一个或一个以上的碳原子数为1~20的脂肪族烷基、碳原子数为1~20的脂肪族烷氧基、碳原子数为6~30的芳基、三甲基硅基取代;
m,n独立的选自0,1。
2.根据权利要求1所述的7H-苯并[de]蒽类有机电致发光材料,其特征在于,所述化合物如式(2)~式(5)所示:
Y选自碳原子数为3~10的含氮杂环,取代的碳原子数为3~10的含氮杂环,
Ar1,Ar2,Ar3,Ar4,Ar5,Ar6分别独立的选自碳原子数为6-30的芳基,并且Ar3和Ar4之间可以通过其上的碳原子连接成环,Ar5和Ar6之间可以通过其上的碳原子连接成环;所述Ar1,Ar2,Ar3,Ar4,Ar5,Ar6可以被一个或一个以上的碳原子数为1~20的脂肪族烷基、碳原子数为1~20的脂肪族烷氧基、碳原子数为6~30的芳基、三甲基硅基取代;
m,n独立的选自0,1。
3.根据权利要求3所述的7H-苯并[de]蒽类有机电致发光材料,其中:
Y选自吡啶、喹啉、嘧啶、三嗪、碳原子数为6-30的芳基取代的三嗪、苯并咪唑、碳原子数为6-30的芳基取代的苯并咪唑;
Ar1,Ar2,Ar3,Ar4,Ar5,Ar6分别独立的选自苯基、萘基、联苯基、芴基、螺芴基、二苯并呋喃基、二苯并噻吩基、咔唑基、N-苯基咔唑基、菲基、茚并咔唑基、二茚并咔唑基;
所述Ar1,Ar2,Ar3,Ar4,Ar5,Ar6可以被一个或一个以上的碳原子数为1~20的脂肪族烷基、碳原子数为1~20的脂肪族烷氧基、碳原子数为6~30的芳基、三甲基硅基取代;
m,n独立的选自0,1。
4.根据权利要求1所述的7H-苯并[de]蒽类有机电致发光材料,其特征在于,所述化合物选自:
5.一种有机电致发光器件,其特征在于,所述有机电致发光器件含有权利要求1-4任一所述的7H-苯并[de]蒽类有机电致发光材料。
6.根据权利要求5所述的有机电致发光器件,其特征在于,所述有机电致发光器件的客体材料为权利要求1-4任一所述的7H-苯并[de]蒽类电致发光材料。
7.根据权利要求5所述的有机电致发光器件,其特征在于,所述有机电致发光器件的空穴传输材料为权利要求1-4任一所述的7H-苯并[de]蒽类电致发光材料。
8.根据权利要求5所述的有机电致发光器件,其特征在于,所述有机电致发光器件的主体材料为权利要求1-4任一所述的7H-苯并[de]蒽类电致发光材料。
9.一种显示器,其特征在于,包括如权利要求5-8任一所述的有机电致发光器件。
10.一种电子设备,所述电子设备显示器包括如权利要求5-7任一所述的有机电致发光器件;
所述电子设备包括电视、手机、手表、电子书、运动手环、平板电脑、带有电子显示功能的电子门票、车载仪表。
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