JP6711530B2 - 有機電界発光素子 - Google Patents
有機電界発光素子 Download PDFInfo
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- JP6711530B2 JP6711530B2 JP2018236930A JP2018236930A JP6711530B2 JP 6711530 B2 JP6711530 B2 JP 6711530B2 JP 2018236930 A JP2018236930 A JP 2018236930A JP 2018236930 A JP2018236930 A JP 2018236930A JP 6711530 B2 JP6711530 B2 JP 6711530B2
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- 239000000463 material Substances 0.000 claims description 125
- 125000003118 aryl group Chemical group 0.000 claims description 66
- 125000000962 organic group Chemical group 0.000 claims description 61
- 239000000126 substance Substances 0.000 claims description 45
- 238000002347 injection Methods 0.000 claims description 33
- 239000007924 injection Substances 0.000 claims description 33
- 239000011368 organic material Substances 0.000 claims description 31
- 125000000623 heterocyclic group Chemical group 0.000 claims description 26
- 125000001931 aliphatic group Chemical group 0.000 claims description 24
- 125000002950 monocyclic group Chemical group 0.000 claims description 18
- 229910052760 oxygen Inorganic materials 0.000 claims description 18
- 125000003367 polycyclic group Chemical group 0.000 claims description 18
- 229910052717 sulfur Inorganic materials 0.000 claims description 18
- 125000000217 alkyl group Chemical group 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 10
- 125000005842 heteroatom Chemical group 0.000 claims description 10
- 150000004696 coordination complex Chemical class 0.000 claims description 6
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- -1 spirobifluorenyl group Chemical group 0.000 description 71
- 150000001875 compounds Chemical class 0.000 description 31
- 125000001424 substituent group Chemical group 0.000 description 28
- 230000000052 comparative effect Effects 0.000 description 19
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- 125000004432 carbon atom Chemical group C* 0.000 description 12
- 238000000034 method Methods 0.000 description 12
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- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 9
- 230000005525 hole transport Effects 0.000 description 9
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 8
- 125000006267 biphenyl group Chemical group 0.000 description 7
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 7
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- MYKQKWIPLZEVOW-UHFFFAOYSA-N 11h-benzo[a]carbazole Chemical group C1=CC2=CC=CC=C2C2=C1C1=CC=CC=C1N2 MYKQKWIPLZEVOW-UHFFFAOYSA-N 0.000 description 5
- 150000004982 aromatic amines Chemical class 0.000 description 5
- 125000005264 aryl amine group Chemical group 0.000 description 5
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 5
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
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- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- 125000003342 alkenyl group Chemical group 0.000 description 4
- 125000003545 alkoxy group Chemical group 0.000 description 4
- 239000010405 anode material Substances 0.000 description 4
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- 125000004122 cyclic group Chemical group 0.000 description 4
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- BCMCBBGGLRIHSE-UHFFFAOYSA-N 1,3-benzoxazole Chemical compound C1=CC=C2OC=NC2=C1 BCMCBBGGLRIHSE-UHFFFAOYSA-N 0.000 description 3
- 125000000355 1,3-benzoxazolyl group Chemical group O1C(=NC2=C1C=CC=C2)* 0.000 description 3
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 3
- ZCQWOFVYLHDMMC-UHFFFAOYSA-N Oxazole Chemical compound C1=COC=N1 ZCQWOFVYLHDMMC-UHFFFAOYSA-N 0.000 description 3
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 3
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical group C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 3
- 125000005332 alkyl sulfoxy group Chemical group 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 125000003368 amide group Chemical group 0.000 description 3
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- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Natural products C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 3
- 125000001769 aryl amino group Chemical group 0.000 description 3
- 125000005165 aryl thioxy group Chemical group 0.000 description 3
- 125000004104 aryloxy group Chemical group 0.000 description 3
- 125000004429 atom Chemical group 0.000 description 3
- 125000003785 benzimidazolyl group Chemical group N1=C(NC2=C1C=CC=C2)* 0.000 description 3
- 239000010406 cathode material Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
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- 239000000470 constituent Substances 0.000 description 3
- 239000002019 doping agent Substances 0.000 description 3
- 238000005401 electroluminescence Methods 0.000 description 3
- 125000004185 ester group Chemical group 0.000 description 3
- 125000005843 halogen group Chemical group 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 150000002736 metal compounds Chemical class 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 125000004076 pyridyl group Chemical group 0.000 description 3
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 3
- 125000004306 triazinyl group Chemical group 0.000 description 3
- 239000011787 zinc oxide Substances 0.000 description 3
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 description 2
- UWRZIZXBOLBCON-VOTSOKGWSA-N (e)-2-phenylethenamine Chemical class N\C=C\C1=CC=CC=C1 UWRZIZXBOLBCON-VOTSOKGWSA-N 0.000 description 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 2
- WONYVCKUEUULQN-UHFFFAOYSA-N 2-methyl-n-(2-methylphenyl)aniline Chemical group CC1=CC=CC=C1NC1=CC=CC=C1C WONYVCKUEUULQN-UHFFFAOYSA-N 0.000 description 2
- JTMODJXOTWYBOZ-UHFFFAOYSA-N 2-methyl-n-phenylaniline Chemical group CC1=CC=CC=C1NC1=CC=CC=C1 JTMODJXOTWYBOZ-UHFFFAOYSA-N 0.000 description 2
- 125000005916 2-methylpentyl group Chemical group 0.000 description 2
- QXDWMAODKPOTKK-UHFFFAOYSA-N 9-methylanthracen-1-amine Chemical group C1=CC(N)=C2C(C)=C(C=CC=C3)C3=CC2=C1 QXDWMAODKPOTKK-UHFFFAOYSA-N 0.000 description 2
- 229920002284 Cellulose triacetate Polymers 0.000 description 2
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 2
- XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical group C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 description 2
- 229930040373 Paraformaldehyde Natural products 0.000 description 2
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- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical compound C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 125000005377 alkyl thioxy group Chemical group 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- YUENFNPLGJCNRB-UHFFFAOYSA-N anthracen-1-amine Chemical group C1=CC=C2C=C3C(N)=CC=CC3=CC2=C1 YUENFNPLGJCNRB-UHFFFAOYSA-N 0.000 description 2
- 150000001454 anthracenes Chemical class 0.000 description 2
- 125000004653 anthracenylene group Chemical group 0.000 description 2
- 150000003974 aralkylamines Chemical group 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 125000002529 biphenylenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C12)* 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
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- WDECIBYCCFPHNR-UHFFFAOYSA-N chrysene Chemical compound C1=CC=CC2=CC=C3C4=CC=CC=C4C=CC3=C21 WDECIBYCCFPHNR-UHFFFAOYSA-N 0.000 description 2
- 125000006165 cyclic alkyl group Chemical group 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
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- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical group C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 2
- GVEPBJHOBDJJJI-UHFFFAOYSA-N fluoranthrene Natural products C1=CC(C2=CC=CC=C22)=C3C2=CC=CC3=C1 GVEPBJHOBDJJJI-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 125000005462 imide group Chemical group 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
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- 150000004706 metal oxides Chemical class 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
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- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 2
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
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- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
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- NTYDMFCZXBCEJY-UHFFFAOYSA-N 1-methyl-2-phenylcyclohexa-2,4-dien-1-amine Chemical compound CC1(N)CC=CC=C1C1=CC=CC=C1 NTYDMFCZXBCEJY-UHFFFAOYSA-N 0.000 description 1
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- DMEVMYSQZPJFOK-UHFFFAOYSA-N 3,4,5,6,9,10-hexazatetracyclo[12.4.0.02,7.08,13]octadeca-1(18),2(7),3,5,8(13),9,11,14,16-nonaene Chemical group N1=NN=C2C3=CC=CC=C3C3=CC=NN=C3C2=N1 DMEVMYSQZPJFOK-UHFFFAOYSA-N 0.000 description 1
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- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical group C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 description 1
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 1
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- UFVXQDWNSAGPHN-UHFFFAOYSA-K bis[(2-methylquinolin-8-yl)oxy]-(4-phenylphenoxy)alumane Chemical compound [Al+3].C1=CC=C([O-])C2=NC(C)=CC=C21.C1=CC=C([O-])C2=NC(C)=CC=C21.C1=CC([O-])=CC=C1C1=CC=CC=C1 UFVXQDWNSAGPHN-UHFFFAOYSA-K 0.000 description 1
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- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
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- 125000001664 diethylamino group Chemical group [H]C([H])([H])C([H])([H])N(*)C([H])([H])C([H])([H])[H] 0.000 description 1
- BKMIWBZIQAAZBD-UHFFFAOYSA-N diindenoperylene Chemical compound C12=C3C4=CC=C2C2=CC=CC=C2C1=CC=C3C1=CC=C2C3=CC=CC=C3C3=CC=C4C1=C32 BKMIWBZIQAAZBD-UHFFFAOYSA-N 0.000 description 1
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- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Inorganic materials [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
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- 238000013508 migration Methods 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
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- 125000005184 naphthylamino group Chemical group C1(=CC=CC2=CC=CC=C12)N* 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 125000001715 oxadiazolyl group Chemical group 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- MPQXHAGKBWFSNV-UHFFFAOYSA-N oxidophosphanium Chemical group [PH3]=O MPQXHAGKBWFSNV-UHFFFAOYSA-N 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 150000002964 pentacenes Chemical class 0.000 description 1
- FVDOBFPYBSDRKH-UHFFFAOYSA-N perylene-3,4,9,10-tetracarboxylic acid Chemical compound C=12C3=CC=C(C(O)=O)C2=C(C(O)=O)C=CC=1C1=CC=C(C(O)=O)C2=C1C3=CC=C2C(=O)O FVDOBFPYBSDRKH-UHFFFAOYSA-N 0.000 description 1
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 description 1
- 125000005561 phenanthryl group Chemical group 0.000 description 1
- 125000001484 phenothiazinyl group Chemical group C1(=CC=CC=2SC3=CC=CC=C3NC12)* 0.000 description 1
- 125000004592 phthalazinyl group Chemical group C1(=NN=CC2=CC=CC=C12)* 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical class N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
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- 229920002098 polyfluorene Polymers 0.000 description 1
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- 229920000123 polythiophene Polymers 0.000 description 1
- 150000004032 porphyrins Chemical class 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000003373 pyrazinyl group Chemical group 0.000 description 1
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- 125000001725 pyrenyl group Chemical group 0.000 description 1
- 125000002098 pyridazinyl group Chemical group 0.000 description 1
- 229940083082 pyrimidine derivative acting on arteriolar smooth muscle Drugs 0.000 description 1
- 150000003230 pyrimidines Chemical class 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 0.000 description 1
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 description 1
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- YYMBJDOZVAITBP-UHFFFAOYSA-N rubrene Chemical compound C1=CC=CC=C1C(C1=C(C=2C=CC=CC=2)C2=CC=CC=C2C(C=2C=CC=CC=2)=C11)=C(C=CC=C2)C2=C1C1=CC=CC=C1 YYMBJDOZVAITBP-UHFFFAOYSA-N 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000003548 sec-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 150000003413 spiro compounds Chemical class 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 125000001113 thiadiazolyl group Chemical group 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- IBBLKSWSCDAPIF-UHFFFAOYSA-N thiopyran Chemical compound S1C=CC=C=C1 IBBLKSWSCDAPIF-UHFFFAOYSA-N 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- TVIVIEFSHFOWTE-UHFFFAOYSA-K tri(quinolin-8-yloxy)alumane Chemical compound [Al+3].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 TVIVIEFSHFOWTE-UHFFFAOYSA-K 0.000 description 1
- 125000005259 triarylamine group Chemical group 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 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
- C07D209/86—Carbazoles; Hydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
-
- 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
- H10K85/654—Aromatic compounds comprising a hetero atom comprising only nitrogen as heteroatom
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C07C255/49—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
- C07C255/50—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton to carbon atoms of non-condensed six-membered aromatic rings
-
- 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
- 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
-
- 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
- C07D235/06—Benzimidazoles; Hydrogenated benzimidazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
- C07D235/08—Radicals containing only hydrogen and carbon atoms
-
- 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
- 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
-
- 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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Description
前記電子輸送層は第1電子輸送物質及び第2電子輸送物質を含み、
前記第1電子輸送物質はN含有6員環を含む単環もしくは多環の環を含む有機物であり、
前記第2電子輸送物質はN、O及びSのうち少なくとも一つの異種元素を含む5員の複素環またはシアノ基を含む有機物であり、
前記第2電子輸送物質の双極子モーメント(dipole moment)が前記第1電子輸送物質の双極子モーメントに比べてさらに大きい有機電界発光素子を提供する。
X1〜X6のうち1〜3個はNであり、
残りはCR1であり、R1は1価有機基であり、
隣接した1価有機基は互いに結合して置換もしくは非置換の脂肪族環または置換もしくは非置換の芳香族環を形成することができる。
X1、X3及びX5のうち少なくとも一つはNであり、残りはCR1であり、
R1及びR11〜R13は互いに同一であるかまたは異なり、各々1価有機基であり、
隣接した1価有機基は互いに結合して置換もしくは非置換の脂肪族または置換もしくは非置換の芳香族の環を形成することができる。
X1、X3及びX5のうち少なくとも一つはNであり、残りはCR1であり、
R1、R11、R12及びR14は互いに同一であるかまたは異なり、各々1価有機基であり、
L1は2価有機基であり、
隣接した1価有機基または隣接した2価有機基は互いに結合して置換もしくは非置換の脂肪族環または置換もしくは非置換の芳香族環を形成することができる。
X1、X3、X5及びX7〜X9のうち少なくとも一つはNであり、残りはCR1であり、
R1、R11、R12、R15及びR16は互いに同一であるかまたは異なり、各々1価有機基であり、
L11は互いに同一であるかまたは異なり、各々2価有機基であり、mは1〜3の整数であり、
隣接した1価有機基または隣接した2価有機基は互いに結合して置換もしくは非置換の脂肪族環または置換もしくは非置換の芳香族環を形成することができる。
Y1はNR21、OまたはSであり、
Y2〜Y5は互いに同一であるかまたは異なり、各々NまたはCR22であり、
R21及びR22は互いに同一であるかまたは異なり、各々1価有機基であり、
隣接した1価有機基は互いに結合して置換もしくは非置換の脂肪族環または置換もしくは非置換の芳香族環を形成することができる。
Y1はNR21、OまたはSであり、
Y2及びY3は互いに同一であるかまたは異なり、各々NまたはCR22であり、
R2、R21及びR22は互いに同一であるかまたは異なり、各々1価有機基であり、
nは0〜4の整数であり、
隣接した1価有機基は互いに結合して置換もしくは非置換の脂肪族環または置換もしくは非置換の芳香族環を形成することができる。
Y1はNR21、OまたはSであり、
Y3はNまたはCR22であり、
R2、R3、R21及びR22は互いに同一であるかまたは異なり、各々1価有機基であり、
nは0〜4の整数であり、
隣接した1価有機基は互いに結合して置換もしくは非置換の脂肪族環または置換もしくは非置換の芳香族環を形成することができる。
R2、R3及びR4は互いに同一であるかまたは異なり、各々1価有機基であり、
nは0〜4の整数であり、
隣接した1価有機基は互いに結合して置換もしくは非置換の脂肪族環または置換もしくは非置換の芳香族環を形成することができる。
Y1はNR21、OまたはSであり、
Y3はNまたはCR22であり、
R2、R5、R21及びR22は互いに同一であるかまたは異なり、各々1価有機基であり、
nは0〜4の整数であり、
隣接した1価有機基は互いに結合して置換もしくは非置換の脂肪族環または置換もしくは非置換の芳香族環を形成することができる。
Y1及びY6は互いに同一であるかまたは異なり、各々NR21、OまたはSであり、
Y3及びY7は互いに同一であるかまたは異なり、各々NまたはCR22であり、
R2、R6、R21及びR22は互いに同一であるかまたは異なり、各々1価有機基であり、
n及びqは各々0〜4の整数であり、
L22は互いに同一であるかまたは異なり、各々2価有機基であり、pは1〜3の整数であり、
隣接した1価有機基または隣接した2価有機基は互いに結合して置換もしくは非置換の脂肪族環または置換もしくは非置換の芳香族環を形成することができる。
R2、R7及びR8は互いに同一であるかまたは異なり、各々1価有機基であり、
n、r及びsは各々0〜4の整数であり、
隣接した1価有機基は互いに結合して置換もしくは非置換の脂肪族環または置換もしくは非置換の芳香族環を形成することができる。
L31は2価有機基であり、tは0〜4の整数であり、tが2以上の場合、L31は互いに同一であるかまたは異なり、
R31は1価有機基である。
L32及びL33は2価有機基であり、R32及びR33は1価有機基であり、
x及びyは各々0〜4の整数であり、zは0〜8の整数であり、x、yまたはzが2以上の場合、括弧内の構造は互いに同一であるかまたは異なる。
z、R32及びR33は化学式15で定義したとおりである。
ガラス基板上に正孔注入電極として透明電極(Indium Tin Oxide)を100nm厚さで蒸着し、酸素プラズマ処理を30mtorr圧力において80wで30秒間行った。その上に真空状態で熱を加えて[cp1]を30nm厚さで蒸着した。その上に正孔注入及び輸送層として[cp2]を800nm厚さで蒸着した。その上に正孔輸送層として[cp3]を200nm厚さで蒸着した。その上に発光層として[cp4]を20nm厚さで蒸着し、発光ドーパントとして[cp5]を体積比で4%ドーピングした。次に、その上に電子輸送及び注入層として化学式1に属する[cp6−1]、[cp6−2]、[cp6−3]、[cp6−4]、[cp6−5]、[cp6−13]または[cp6−22]を30nm厚さで蒸着し、その上に電子注入層としてLiFを1nm厚さで蒸着し、その上に電子注入電極としてアルミニウム(Al)を150nm厚さで蒸着して有機電界発光素子を製作した。
比較例1−1で用いられた電子輸送及び電子注入層に含まれた物質の代わりに、下記の表3のように、[cp7−1]、[cp7−2]、[cp7−3]、[cp7−4]、[cp7−5]または[cp7−19]を用いたことを除いては、比較例1と同様の方法により有機電界発光素子を製造した。
比較例1−1で用いられた電子輸送及び電子注入層に含まれた物質の代わりに、下記の表4のように、[cp6−1]〜[cp6−5]、[cp6−13]及び[cp6−22]のうちの一つと[cp7−1]〜[cp7−5]及び[cp7−19]のうちの一つを50:50の体積比で用いて層を構成したことを除いては、 比較例1−1と同様の方法により有機電界発光素子を製造した。
比較例1−1で用いられた電子輸送及び電子注入層に含まれた物質の代わりに、下記の表6のように、下記[化合物A−1]〜[化合物A−2]のうちの一つと下記[化合物B−1]〜[化合物B−3]のうちの一つを50:50の体積比で用いて層を構成したことを除いては、比較例1と同様の方法により有機電界発光素子を製造した。
比較例1−1で用いられた電子輸送及び電子注入層に含まれた物質の代わりに、下記の表7のように、[cp6−1]、[cp6−4]、[cp7−2]、または[cp7−5]のうちの化合物1種を20nm厚さで蒸着した後、[cp6−1]、[cp6−4]、[cp7−2]、または[cp7−5]のうちの他の化合物1種を10nm厚さで蒸着して、2層の電子輸送層を積層したことを除いては、比較例1−1と同様の方法により有機電界発光素子を製造した。
2 ・・・アノード
5 ・・・正孔注入層
6 ・・・正孔輸送層
7 ・・・発光層
8 ・・・電子輸送層
9 ・・・電子注入層
10 ・・・カソード
Claims (5)
- アノード、
カソード、
前記アノードと前記カソードとの間に備えられた発光層、及び
前記カソードと前記発光層との間に備えられた電子輸送層を含み、
前記電子輸送層は第1電子輸送物質及び第2電子輸送物質を含み、
前記第1電子輸送物質はN含有6員環を含む単環もしくは多環の環を含む有機物であり、
前記第2電子輸送物質はN、O及びSのうち少なくとも一つの異種元素を含む5員の複素環またはシアノ基を含む有機物であり、
前記第2電子輸送物質の双極子モーメント(dipole moment)が前記第1電子輸送物質の双極子モーメントに比べてさらに大きく、
前記第1電子輸送物質の双極子モーメントは、0Debyeから3Debyeであり、
前記第2電子輸送物質の双極子モーメントは、1Debyeから7Debyeであり、
前記第1電子輸送物質は、下記の化学式3で表わされ、
前記第2電子輸送物質は、下記の化学式7で表わされる、
有機電界発光素子。
X1、X3及びX5はNであり、
R11、R12及びR14は互いに同一であるかまたは異なり、各々1価有機基であり、
L1は2価有機基であり、
隣接した1価有機基または隣接した2価有機基は、互いに結合して置換もしくは非置換の脂肪族環または置換もしくは非置換の芳香族環を形成することができ、
前記1価有機基は、置換もしくは非置換のアリール基;または置換もしくは非置換の芳香族もしくは脂肪族の複素環基であり、
前記2価有機基は、置換もしくは非置換のアリーレン基;または置換もしくは非置換の芳香族もしくは脂肪族の2価の複素環基である。
Y1はNR21、OまたはSであり、
Y3はNであり、
R2、R21は互いに同一であるかまたは異なり、各々1価有機基であり、
R3は置換もしくは非置換のアルキル基であり、
nは0から4の整数であり、
隣接した1価有機基は互いに結合して置換もしくは非置換の脂肪族環または置換もしくは非置換の芳香族環を形成することができる。 - 前記第1電子輸送物質及び前記第2電子輸送物質は金属元素または金属錯体を含まない、
請求項1に記載の有機電界発光素子。 - 前記第1電子輸送物質及び前記第2電子輸送物質は金属錯体を含まない、
請求項1に記載の有機電界発光素子。 - 前記第1電子輸送物質と第2電子輸送物質を含む電子輸送層は、
前記第1電子輸送物質と前記第2電子輸送物質を1:99から99:1の体積比で含む、
請求項1から3のいずれか1項に記載の有機電界発光素子。 - 前記有機電界発光素子は、前記電子輸送層と前記カソードとの間に備えられた電子注入層をさらに含む、
請求項1から4のいずれか1項に記載の有機電界発光素子。
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