JP6428010B2 - トリフェニレニル基を有するトリアジン化合物及びそれを含有する有機電界発光素子 - Google Patents
トリフェニレニル基を有するトリアジン化合物及びそれを含有する有機電界発光素子 Download PDFInfo
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- JP6428010B2 JP6428010B2 JP2014145880A JP2014145880A JP6428010B2 JP 6428010 B2 JP6428010 B2 JP 6428010B2 JP 2014145880 A JP2014145880 A JP 2014145880A JP 2014145880 A JP2014145880 A JP 2014145880A JP 6428010 B2 JP6428010 B2 JP 6428010B2
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- triazine
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- organic electroluminescent
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- -1 Triazine compound Chemical class 0.000 title claims description 72
- 125000003960 triphenylenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C3=CC=CC=C3C12)* 0.000 title description 3
- 238000010549 co-Evaporation Methods 0.000 claims 1
- VVNXEADCOVSAER-UHFFFAOYSA-N lithium sodium Chemical compound [Li].[Na] VVNXEADCOVSAER-UHFFFAOYSA-N 0.000 claims 1
- 239000010410 layer Substances 0.000 description 136
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 33
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 33
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 33
- 239000000843 powder Substances 0.000 description 33
- 238000000034 method Methods 0.000 description 29
- 238000002347 injection Methods 0.000 description 28
- 239000007924 injection Substances 0.000 description 28
- 229910052757 nitrogen Inorganic materials 0.000 description 28
- 230000005525 hole transport Effects 0.000 description 27
- 230000015572 biosynthetic process Effects 0.000 description 24
- 239000000203 mixture Substances 0.000 description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 22
- 238000001914 filtration Methods 0.000 description 22
- 239000000463 material Substances 0.000 description 22
- 239000002244 precipitate Substances 0.000 description 22
- 238000003786 synthesis reaction Methods 0.000 description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 22
- 238000005401 electroluminescence Methods 0.000 description 18
- 150000001875 compounds Chemical class 0.000 description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
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- 239000010408 film Substances 0.000 description 14
- 239000000758 substrate Substances 0.000 description 12
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 11
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- 239000011541 reaction mixture Substances 0.000 description 11
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- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 9
- 239000011777 magnesium Substances 0.000 description 9
- 229910052749 magnesium Inorganic materials 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- FIDRAVVQGKNYQK-UHFFFAOYSA-N 1,2,3,4-tetrahydrotriazine Chemical compound C1NNNC=C1 FIDRAVVQGKNYQK-UHFFFAOYSA-N 0.000 description 8
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 8
- 239000007864 aqueous solution Substances 0.000 description 8
- 238000005160 1H NMR spectroscopy Methods 0.000 description 7
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- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 7
- 238000007740 vapor deposition Methods 0.000 description 7
- JIHQDMXYYFUGFV-UHFFFAOYSA-N 1,3,5-triazine Chemical compound C1=NC=NC=N1 JIHQDMXYYFUGFV-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
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- 239000007772 electrode material Substances 0.000 description 6
- XULSCZPZVQIMFM-IPZQJPLYSA-N odevixibat Chemical compound C12=CC(SC)=C(OCC(=O)N[C@@H](C(=O)N[C@@H](CC)C(O)=O)C=3C=CC(O)=CC=3)C=C2S(=O)(=O)NC(CCCC)(CCCC)CN1C1=CC=CC=C1 XULSCZPZVQIMFM-IPZQJPLYSA-N 0.000 description 6
- YJVFFLUZDVXJQI-UHFFFAOYSA-L palladium(ii) acetate Chemical compound [Pd+2].CC([O-])=O.CC([O-])=O YJVFFLUZDVXJQI-UHFFFAOYSA-L 0.000 description 6
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- BLKKWMCDZNDYEQ-UHFFFAOYSA-N 2-(3-bromo-5-chlorophenyl)-4,6-diphenyl-1,3,5-triazine Chemical compound ClC1=CC(Br)=CC(C=2N=C(N=C(N=2)C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BLKKWMCDZNDYEQ-UHFFFAOYSA-N 0.000 description 5
- 125000003349 3-pyridyl group Chemical group N1=C([H])C([*])=C([H])C([H])=C1[H] 0.000 description 5
- 239000000872 buffer Substances 0.000 description 5
- 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 5
- 239000000243 solution Substances 0.000 description 5
- PXFBSZZEOWJJNL-UHFFFAOYSA-N triphenylen-2-ylboronic acid Chemical compound C1=CC=C2C3=CC(B(O)O)=CC=C3C3=CC=CC=C3C2=C1 PXFBSZZEOWJJNL-UHFFFAOYSA-N 0.000 description 5
- 125000001637 1-naphthyl group Chemical group [H]C1=C([H])C([H])=C2C(*)=C([H])C([H])=C([H])C2=C1[H] 0.000 description 4
- 125000004105 2-pyridyl group Chemical group N1=C([*])C([H])=C([H])C([H])=C1[H] 0.000 description 4
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- SJVGFKBLUYAEOK-SFHVURJKSA-N 6-[4-[(3S)-3-(3,5-difluorophenyl)-3,4-dihydropyrazole-2-carbonyl]piperidin-1-yl]pyrimidine-4-carbonitrile Chemical compound FC=1C=C(C=C(C=1)F)[C@@H]1CC=NN1C(=O)C1CCN(CC1)C1=CC(=NC=N1)C#N SJVGFKBLUYAEOK-SFHVURJKSA-N 0.000 description 3
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- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- VFNRPOAHNWRZGP-UHFFFAOYSA-N c1ccc(cc1)-c1nc(nc(n1)-c1cc(cc(c1)-c1cccc2ccccc12)-c1ccc2c3ccccc3c3ccccc3c2c1)-c1ccccc1 Chemical compound c1ccc(cc1)-c1nc(nc(n1)-c1cc(cc(c1)-c1cccc2ccccc12)-c1ccc2c3ccccc3c3ccccc3c2c1)-c1ccccc1 VFNRPOAHNWRZGP-UHFFFAOYSA-N 0.000 description 3
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- QIVUCLWGARAQIO-OLIXTKCUSA-N (3s)-n-[(3s,5s,6r)-6-methyl-2-oxo-1-(2,2,2-trifluoroethyl)-5-(2,3,6-trifluorophenyl)piperidin-3-yl]-2-oxospiro[1h-pyrrolo[2,3-b]pyridine-3,6'-5,7-dihydrocyclopenta[b]pyridine]-3'-carboxamide Chemical compound C1([C@H]2[C@H](N(C(=O)[C@@H](NC(=O)C=3C=C4C[C@]5(CC4=NC=3)C3=CC=CN=C3NC5=O)C2)CC(F)(F)F)C)=C(F)C=CC(F)=C1F QIVUCLWGARAQIO-OLIXTKCUSA-N 0.000 description 2
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- BODHUVXEUKJART-UHFFFAOYSA-N C1C=CC=CC1C(N=C1)=NC(c2cc(-c3cc4c(cccc5)c5c(cccc5)c5c4cc3)cc(C(C3)=CC=CC3c3cccc4ncccc34)c2)=NC1c1ccccc1 Chemical compound C1C=CC=CC1C(N=C1)=NC(c2cc(-c3cc4c(cccc5)c5c(cccc5)c5c4cc3)cc(C(C3)=CC=CC3c3cccc4ncccc34)c2)=NC1c1ccccc1 BODHUVXEUKJART-UHFFFAOYSA-N 0.000 description 1
- QFXCTBKSYCGNLE-UHFFFAOYSA-N C1C=CC=CC1c1nc(-c2cc(-c3cccc(-c4ccncc4)c3)cc(-c3cc4c(cccc5)c5c(cccc5)c5c4cc3)c2)nc(-c2ccccc2)n1 Chemical compound C1C=CC=CC1c1nc(-c2cc(-c3cccc(-c4ccncc4)c3)cc(-c3cc4c(cccc5)c5c(cccc5)c5c4cc3)c2)nc(-c2ccccc2)n1 QFXCTBKSYCGNLE-UHFFFAOYSA-N 0.000 description 1
- BMQINDQASQDFTA-UHFFFAOYSA-N C1C=Cc2c(ccc(-c3cc(-c4nc(-c5ccccc5)nc(-c5ccccc5)n4)cc(-c4cccc(-c5cccc6c5ccnc6)c4)c3)c3)c3c(cccc3)c3c2C1 Chemical compound C1C=Cc2c(ccc(-c3cc(-c4nc(-c5ccccc5)nc(-c5ccccc5)n4)cc(-c4cccc(-c5cccc6c5ccnc6)c4)c3)c3)c3c(cccc3)c3c2C1 BMQINDQASQDFTA-UHFFFAOYSA-N 0.000 description 1
- 229920002284 Cellulose triacetate Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910000799 K alloy Inorganic materials 0.000 description 1
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N N-phenyl amine Natural products NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 229920012266 Poly(ether sulfone) PES Polymers 0.000 description 1
- 239000004697 Polyetherimide Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical compound C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- PJANXHGTPQOBST-VAWYXSNFSA-N Stilbene Natural products C=1C=CC=CC=1/C=C/C1=CC=CC=C1 PJANXHGTPQOBST-VAWYXSNFSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 125000006268 biphenyl-3-yl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C1=C([H])C(*)=C([H])C([H])=C1[H] 0.000 description 1
- HKQOBOMRSSHSTC-UHFFFAOYSA-N cellulose acetate Chemical compound OC1C(O)C(O)C(CO)OC1OC1C(CO)OC(O)C(O)C1O.CC(=O)OCC1OC(OC(C)=O)C(OC(C)=O)C(OC(C)=O)C1OC1C(OC(C)=O)C(OC(C)=O)C(OC(C)=O)C(COC(C)=O)O1.CCC(=O)OCC1OC(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C1OC1C(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C(COC(=O)CC)O1 HKQOBOMRSSHSTC-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 150000008376 fluorenones Chemical class 0.000 description 1
- 239000007850 fluorescent dye Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229940083761 high-ceiling diuretics pyrazolone derivative Drugs 0.000 description 1
- 150000007857 hydrazones Chemical class 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 150000002460 imidazoles Chemical class 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 229940079865 intestinal antiinfectives imidazole derivative Drugs 0.000 description 1
- GDTOUTKTCGPAGY-UHFFFAOYSA-N isoquinolin-4-ylboronic acid Chemical compound C1=CC=C2C(B(O)O)=CN=CC2=C1 GDTOUTKTCGPAGY-UHFFFAOYSA-N 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- IBHBKWKFFTZAHE-UHFFFAOYSA-N n-[4-[4-(n-naphthalen-1-ylanilino)phenyl]phenyl]-n-phenylnaphthalen-1-amine Chemical group C1=CC=CC=C1N(C=1C2=CC=CC=C2C=CC=1)C1=CC=C(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C3=CC=CC=C3C=CC=2)C=C1 IBHBKWKFFTZAHE-UHFFFAOYSA-N 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 150000004866 oxadiazoles Chemical class 0.000 description 1
- 150000002916 oxazoles Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- GPRIERYVMZVKTC-UHFFFAOYSA-N p-quaterphenyl Chemical group C1=CC=CC=C1C1=CC=C(C=2C=CC(=CC=2)C=2C=CC=CC=2)C=C1 GPRIERYVMZVKTC-UHFFFAOYSA-N 0.000 description 1
- 150000004986 phenylenediamines Chemical class 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001230 polyarylate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- BITYAPCSNKJESK-UHFFFAOYSA-N potassiosodium Chemical compound [Na].[K] BITYAPCSNKJESK-UHFFFAOYSA-N 0.000 description 1
- JEXVQSWXXUJEMA-UHFFFAOYSA-N pyrazol-3-one Chemical class O=C1C=CN=N1 JEXVQSWXXUJEMA-UHFFFAOYSA-N 0.000 description 1
- 150000003219 pyrazolines Chemical class 0.000 description 1
- ABMYEXAYWZJVOV-UHFFFAOYSA-N pyridin-3-ylboronic acid Chemical compound OB(O)C1=CC=CN=C1 ABMYEXAYWZJVOV-UHFFFAOYSA-N 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- YGDICLRMNDWZAK-UHFFFAOYSA-N quinolin-3-ylboronic acid Chemical compound C1=CC=CC2=CC(B(O)O)=CN=C21 YGDICLRMNDWZAK-UHFFFAOYSA-N 0.000 description 1
- 125000005493 quinolyl group Chemical group 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 235000021286 stilbenes Nutrition 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 229940042055 systemic antimycotics triazole derivative Drugs 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Landscapes
- Electroluminescent Light Sources (AREA)
- Plural Heterocyclic Compounds (AREA)
Description
一般式(2)で表されるトリアジン化合物において、Ar及びXにおける好ましい置換基は、一般式(1)において示したものと同じである。
(i)陽極/発光層/陰極
(ii)陽極/正孔輸送層/発光層/陰極
(iii)陽極/発光層/電子輸送層/陰極
(iv)陽極/正孔輸送層/発光層/電子輸送層/陰極
(v)陽極/陽極バッファー層/正孔輸送層/発光層/電子輸送層/陰極バッファー層/
陰極
本発明の有機電界発光素子における発光層には、従来公知の発光材料を用いることができる。発光層を形成する方法としては、例えば蒸着法、スピンコート法、キャスト法、LB法などの公知の方法により薄膜を形成する方法がある。
2.正孔注入層
3.電荷発生層
4.正孔輸送層
5.発光層
6.電子輸送層
7.陰極層
1H−NMR(CDCl3)δ(ppm):7.57−7.72(m,11H),7.81(t,J=8.0Hz,1H),8.01(d,J=7.9Hz,1H),8.11(dd,J=8.5Hz,1.8Hz,1H),8.27(d,J=8.2Hz,1H),8.33(t,J=1.7Hz,1H),8.61(s,1H),8.68−8.78(m,3H),8.80−8.85(m,6H),9.04(d,J=1.8Hz,1H),9.15(t,J=1.6Hz,1H),9.24(t,J=1.7Hz,1H),9.47(d,J=2.5Hz,1H).
合成例−2
1H−NMR(CDCl3)δ(ppm):7.55−7.64(m,6H),7.69−7.72(m,4H),8.03(t,J=7.5Hz,1H),8.08(dd,J=8.6Hz,1.8Hz,1H),8.12(t,J=1.8Hz,1H),8.16(t,J=7.9Hz,1H),8.33(d,J=8.8Hz,1H),8.44(d,J=8.2Hz,1H),8.68−8.73(m,3H),8.75(s,1H),8.77−8.80(m,5H),8.84(d,J=8.7Hz,1H),8.91(t,J=1.6Hz,1H),9.00(d,J=1.8Hz,1H),9.40(s,1H),9.57(s,1H).
合成例−3
1H−NMR(CDCl3)δ(ppm):7.29(t,J=6.1Hz,1H),7.57−7.65(m,6H),7.67−7.72(m,4H),7.82(t,J=8.3Hz,1H),7.86(d,J=7.8Hz,1H),7.98(d,J=8.4Hz,2H),8.10(dd,J=8.7Hz,1H),8.22(d,J=8.6Hz,2H),8.28(t,J=1.7Hz,1H),8.68−8.76(m,4H),8.81−8.84(m,2H),8.82(dd,J=8.2Hz,1.4Hz,4H),9.03(d,J=1.7Hz,1H),9.09(t,J=1.5Hz,1H),9.17(t,J=1.6Hz,1H).
合成例−4
1H−NMR(CDCl3)δ(ppm):7.57−7.65(m,6H),7.69−7.72(m,4H),8.00(d,J=6.3Hz,1H),8.03(dd,J=8.7Hz,1.6Hz,1H),8.16(t,J=1.8Hz,1H),8.67−8.71(m,3H),8.73(d,J=8.4Hz,1H),8.77−8.82(m,3H),8.78(dd,J=8.2Hz,1.7Hz,4H),8.95−8.97(m,2H),9.17(d,J=1.6Hz,1H),9.30(t,J=1.4Hz,1H).
合成例−5
合成実施例−6
素子評価に用いた化合物の構造式及びその略称を以下に示す。
基板には、2mm幅の酸化インジウム−スズ(ITO)膜(膜厚110nm)がストライプ状にパターンされたITO透明電極付きガラス基板を用いた。この基板をイソプロピルアルコールで洗浄した後、オゾン紫外線洗浄にて表面処理を行った。洗浄後の基板に、真空蒸着法で各層の真空蒸着を行い、断面図を図1に示すような発光面積4mm2有機電界発光素子を作製した。なお、各有機材料は抵抗加熱方式により成膜した。
素子実施例−1において、電子輸送層6に合成実施例−4で合成した4,6−ジフェニル−2−[3−(3−ピリジル)−5−(トリフェニレン−2−イル)フェニル]−1,3,5−トリアジン(化合物 A−3)を用いた以外は、素子実施例−1と同じ方法で有機電界発光素子を作成した。
素子実施例−1において、電子輸送層6に合成実施例−1で合成した4,6−ジフェニル−2−[3−(3−キノリル)−5−(トリフェニレン−2−イル)フェニル]−1,3,5−トリアジン(化合物 A−15)を用いた以外は、素子実施例−1と同じ方法で有機電界発光素子を作成した。
素子実施例−1において、電子輸送層6に合成実施例−2で合成した4,6−ジフェニル−2−[3−(4−イソキノリル)−5−(トリフェニレン−2−イル)フェニル]−1,3,5−トリアジン(化合物 A−8)を用いた以外は、素子実施例−1と同じ方法で有機電界発光素子を作成した。
素子実施例−1において、電子輸送層6に合成実施例−6で合成した4,6−ジフェニル−2−[3−(1−ナフチル)−5−(トリフェニレン−2−イル)フェニル]−1,3,5−トリアジン(化合物 A−5)を用いた以外は、素子実施例−1と同じ方法で有機電界発光素子を作成した。
素子実施例−1において、電子輸送層6に合成実施例−5で合成した4,6−ジフェニル−2−[5−(トリフェニレン−2−イル)−ビフェニル−3−イル]−1,3,5-トリアジン(化合物 A−1)を用いた以外は、素子実施例−1と同じ方法で有機電界発光素子を作成した。
素子実施例−1において、電子輸送層6に特開2011−63584に記載されている4,6−ジフェニル−2−[5−(9−フェナントリル)−4’−(2−ピリミジル)ビフェニル−3−イル]−1,3,5−トリアジン(ETL−1)を用いた以外は、素子実施例−1と同じ方法で有機電界発光素子を作成した。
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