JP5017884B2 - 発光素子材料および発光素子 - Google Patents
発光素子材料および発光素子 Download PDFInfo
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- JP5017884B2 JP5017884B2 JP2006047984A JP2006047984A JP5017884B2 JP 5017884 B2 JP5017884 B2 JP 5017884B2 JP 2006047984 A JP2006047984 A JP 2006047984A JP 2006047984 A JP2006047984 A JP 2006047984A JP 5017884 B2 JP5017884 B2 JP 5017884B2
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- light emitting
- group
- emitting device
- derivatives
- light
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- 239000000463 material Substances 0.000 title claims description 94
- -1 pyrene compound Chemical class 0.000 claims description 32
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 30
- 150000001875 compounds Chemical class 0.000 claims description 24
- BBEAQIROQSPTKN-UHFFFAOYSA-N antipyrene Natural products C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 claims description 23
- GVEPBJHOBDJJJI-UHFFFAOYSA-N fluoranthrene Natural products C1=CC(C2=CC=CC=C22)=C3C2=CC=CC3=C1 GVEPBJHOBDJJJI-UHFFFAOYSA-N 0.000 claims description 21
- 239000002019 doping agent Substances 0.000 claims description 20
- 229910052799 carbon Inorganic materials 0.000 claims description 18
- 125000003118 aryl group Chemical group 0.000 claims description 17
- 125000001072 heteroaryl group Chemical group 0.000 claims description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 13
- 125000000217 alkyl group Chemical group 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims description 4
- 239000011574 phosphorus Substances 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 39
- 230000032258 transport Effects 0.000 description 26
- 238000000034 method Methods 0.000 description 21
- 125000001424 substituent group Chemical group 0.000 description 20
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- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 0 CC(*)c(cc1)c(cc2)c3c1ccc1c3c2ccc1*=* Chemical compound CC(*)c(cc1)c(cc2)c3c1ccc1c3c2ccc1*=* 0.000 description 9
- 239000010408 film Substances 0.000 description 9
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 8
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 8
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- 125000001931 aliphatic group Chemical group 0.000 description 6
- 125000005013 aryl ether group Chemical group 0.000 description 6
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 6
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- 150000002739 metals Chemical class 0.000 description 5
- 150000004866 oxadiazoles Chemical class 0.000 description 5
- 238000007740 vapor deposition Methods 0.000 description 5
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- 125000003545 alkoxy group Chemical group 0.000 description 4
- 125000004414 alkyl thio group Chemical group 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 125000002029 aromatic hydrocarbon group Chemical group 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 238000006862 quantum yield reaction Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000005160 1H NMR spectroscopy Methods 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- ROFVEXUMMXZLPA-UHFFFAOYSA-N Bipyridyl Chemical compound N1=CC=CC=C1C1=CC=CC=N1 ROFVEXUMMXZLPA-UHFFFAOYSA-N 0.000 description 3
- UJOBWOGCFQCDNV-UHFFFAOYSA-N Carbazole Natural products C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 125000003342 alkenyl group Chemical group 0.000 description 3
- 125000000304 alkynyl group Chemical group 0.000 description 3
- WZJYKHNJTSNBHV-UHFFFAOYSA-N benzo[h]quinoline Chemical group C1=CN=C2C3=CC=CC=C3C=CC2=C1 WZJYKHNJTSNBHV-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 125000000753 cycloalkyl group Chemical group 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 125000000623 heterocyclic group Chemical group 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 229910052738 indium Inorganic materials 0.000 description 3
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 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 3
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 3
- 150000005041 phenanthrolines Chemical class 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229920000123 polythiophene Polymers 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 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 3
- NGQSLSMAEVWNPU-YTEMWHBBSA-N 1,2-bis[(e)-2-phenylethenyl]benzene Chemical class C=1C=CC=CC=1/C=C/C1=CC=CC=C1\C=C\C1=CC=CC=C1 NGQSLSMAEVWNPU-YTEMWHBBSA-N 0.000 description 2
- KLCLIOISYBHYDZ-UHFFFAOYSA-N 1,4,4-triphenylbuta-1,3-dienylbenzene Chemical class C=1C=CC=CC=1C(C=1C=CC=CC=1)=CC=C(C=1C=CC=CC=1)C1=CC=CC=C1 KLCLIOISYBHYDZ-UHFFFAOYSA-N 0.000 description 2
- FLBAYUMRQUHISI-UHFFFAOYSA-N 1,8-naphthyridine Chemical compound N1=CC=CC2=CC=CN=C21 FLBAYUMRQUHISI-UHFFFAOYSA-N 0.000 description 2
- FCEHBMOGCRZNNI-UHFFFAOYSA-N 1-benzothiophene Chemical compound C1=CC=C2SC=CC2=C1 FCEHBMOGCRZNNI-UHFFFAOYSA-N 0.000 description 2
- YBYIRNPNPLQARY-UHFFFAOYSA-N 1H-indene Chemical compound C1=CC=C2CC=CC2=C1 YBYIRNPNPLQARY-UHFFFAOYSA-N 0.000 description 2
- JFJNVIPVOCESGZ-UHFFFAOYSA-N 2,3-dipyridin-2-ylpyridine Chemical compound N1=CC=CC=C1C1=CC=CN=C1C1=CC=CC=N1 JFJNVIPVOCESGZ-UHFFFAOYSA-N 0.000 description 2
- KXMKGOPUYUWQHC-UHFFFAOYSA-N 2-[3-(1,10-phenanthrolin-2-yl)phenyl]-1,10-phenanthroline Chemical compound C1=CN=C2C3=NC(C=4C=CC=C(C=4)C=4N=C5C6=NC=CC=C6C=CC5=CC=4)=CC=C3C=CC2=C1 KXMKGOPUYUWQHC-UHFFFAOYSA-N 0.000 description 2
- UOSTWSOHLMNALZ-UHFFFAOYSA-N 3,6-bis(4-methylphenyl)pyrene-1-carbaldehyde Chemical compound CC1=CC=C(C=C1)C2=C3C=CC4=C(C=C(C5=C4C3=C(C=C2)C=C5)C=O)C6=CC=C(C=C6)C UOSTWSOHLMNALZ-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- WTDHULULXKLSOZ-UHFFFAOYSA-N Hydroxylamine hydrochloride Chemical compound Cl.ON WTDHULULXKLSOZ-UHFFFAOYSA-N 0.000 description 2
- 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 2
- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical compound C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- KYQCOXFCLRTKLS-UHFFFAOYSA-N Pyrazine Chemical compound C1=CN=CC=N1 KYQCOXFCLRTKLS-UHFFFAOYSA-N 0.000 description 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical compound C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 description 2
- 125000002723 alicyclic group Chemical group 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 150000004832 aryl thioethers Chemical group 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical group C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 2
- 229910052792 caesium Inorganic materials 0.000 description 2
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
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- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 description 2
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- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 150000004775 coumarins Chemical class 0.000 description 2
- 125000000392 cycloalkenyl group Chemical group 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- TXCDCPKCNAJMEE-UHFFFAOYSA-N dibenzofuran Chemical compound C1=CC=C2C3=CC=CC=C3OC2=C1 TXCDCPKCNAJMEE-UHFFFAOYSA-N 0.000 description 2
- IYYZUPMFVPLQIF-UHFFFAOYSA-N dibenzothiophene Chemical compound C1=CC=C2C3=CC=CC=C3SC2=C1 IYYZUPMFVPLQIF-UHFFFAOYSA-N 0.000 description 2
- NIHNNTQXNPWCJQ-UHFFFAOYSA-N fluorene Chemical compound C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 description 2
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- 229910017053 inorganic salt Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
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- 125000004433 nitrogen atom Chemical group N* 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- MPQXHAGKBWFSNV-UHFFFAOYSA-N oxidophosphanium Chemical group [PH3]=O MPQXHAGKBWFSNV-UHFFFAOYSA-N 0.000 description 2
- 125000005740 oxycarbonyl group Chemical group [*:1]OC([*:2])=O 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- DGBWPZSGHAXYGK-UHFFFAOYSA-N perinone Chemical class C12=NC3=CC=CC=C3N2C(=O)C2=CC=C3C4=C2C1=CC=C4C(=O)N1C2=CC=CC=C2N=C13 DGBWPZSGHAXYGK-UHFFFAOYSA-N 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
- 238000000206 photolithography Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
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- 239000011591 potassium Substances 0.000 description 2
- 125000005581 pyrene group Chemical group 0.000 description 2
- RCYFOPUXRMOLQM-UHFFFAOYSA-N pyrene-1-carbaldehyde Chemical compound C1=C2C(C=O)=CC=C(C=C3)C2=C2C3=CC=CC2=C1 RCYFOPUXRMOLQM-UHFFFAOYSA-N 0.000 description 2
- 150000003220 pyrenes Chemical class 0.000 description 2
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- XSCHRSMBECNVNS-UHFFFAOYSA-N quinoxaline Chemical compound N1=CC=NC2=CC=CC=C21 XSCHRSMBECNVNS-UHFFFAOYSA-N 0.000 description 2
- 150000003252 quinoxalines Chemical class 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical class C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 2
- 125000004434 sulfur atom Chemical group 0.000 description 2
- 229940042055 systemic antimycotics triazole derivative Drugs 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 239000011135 tin Substances 0.000 description 2
- 150000003852 triazoles Chemical class 0.000 description 2
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 2
- MDYOLVRUBBJPFM-UHFFFAOYSA-N tropolone Chemical compound OC1=CC=CC=CC1=O MDYOLVRUBBJPFM-UHFFFAOYSA-N 0.000 description 2
- 229910021642 ultra pure water Inorganic materials 0.000 description 2
- 239000012498 ultrapure water Substances 0.000 description 2
- 238000001771 vacuum deposition Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- BIWQNIMLAISTBV-UHFFFAOYSA-N (4-methylphenyl)boronic acid Chemical compound CC1=CC=C(B(O)O)C=C1 BIWQNIMLAISTBV-UHFFFAOYSA-N 0.000 description 1
- UWRZIZXBOLBCON-VOTSOKGWSA-N (e)-2-phenylethenamine Chemical class N\C=C\C1=CC=CC=C1 UWRZIZXBOLBCON-VOTSOKGWSA-N 0.000 description 1
- UGUHFDPGDQDVGX-UHFFFAOYSA-N 1,2,3-thiadiazole Chemical group C1=CSN=N1 UGUHFDPGDQDVGX-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- BCMCBBGGLRIHSE-UHFFFAOYSA-N 1,3-benzoxazole Chemical class C1=CC=C2OC=NC2=C1 BCMCBBGGLRIHSE-UHFFFAOYSA-N 0.000 description 1
- 125000000355 1,3-benzoxazolyl group Chemical group O1C(=NC2=C1C=CC=C2)* 0.000 description 1
- UHXOHPVVEHBKKT-UHFFFAOYSA-N 1-(2,2-diphenylethenyl)-4-[4-(2,2-diphenylethenyl)phenyl]benzene Chemical group C=1C=C(C=2C=CC(C=C(C=3C=CC=CC=3)C=3C=CC=CC=3)=CC=2)C=CC=1C=C(C=1C=CC=CC=1)C1=CC=CC=C1 UHXOHPVVEHBKKT-UHFFFAOYSA-N 0.000 description 1
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- 238000003786 synthesis 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
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 description 1
- VLLMWSRANPNYQX-UHFFFAOYSA-N thiadiazole Chemical compound C1=CSN=N1.C1=CSN=N1 VLLMWSRANPNYQX-UHFFFAOYSA-N 0.000 description 1
- 150000004867 thiadiazoles Chemical class 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 150000003577 thiophenes Chemical class 0.000 description 1
- NZFNXWQNBYZDAQ-UHFFFAOYSA-N thioridazine hydrochloride Chemical class Cl.C12=CC(SC)=CC=C2SC2=CC=CC=C2N1CCC1CCCCN1C NZFNXWQNBYZDAQ-UHFFFAOYSA-N 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
- PWYVVBKROXXHEB-UHFFFAOYSA-M trimethyl-[3-(1-methyl-2,3,4,5-tetraphenylsilol-1-yl)propyl]azanium;iodide Chemical compound [I-].C[N+](C)(C)CCC[Si]1(C)C(C=2C=CC=CC=2)=C(C=2C=CC=CC=2)C(C=2C=CC=CC=2)=C1C1=CC=CC=C1 PWYVVBKROXXHEB-UHFFFAOYSA-M 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
- 150000001651 triphenylamine derivatives Chemical class 0.000 description 1
- 125000005580 triphenylene group Chemical group 0.000 description 1
- 229910000404 tripotassium phosphate Inorganic materials 0.000 description 1
- 235000019798 tripotassium phosphate Nutrition 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Landscapes
- Electroluminescent Light Sources (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
アプライド フィジクス レターズ(Applied Physics Letters)、(米国)、1987年、51巻、12号、913−915頁
1−ホルミルピレン3g、N−ブロモスクシンアミド7gとジメチルホルムアミド100mlの混合溶液を窒素気流下、80℃で3時間加熱撹拌した。室温に冷却した後、ろ過した。得られた固体をDMFから再結晶し、真空乾燥した後、3,8−ジブロモ−1−ホルミルピレンと3,6−ジブロモ−1−ホルミルピレンの混合体(混合比6:4)3.5gを得た。
ITO透明導電膜を150nm堆積させたガラス基板(旭硝子(株)製、15Ω/□、電子ビーム蒸着品)を30×40mmに切断し、ITO導電膜をフォトリソグラフィー法によりパターン加工して、発光部分および電極引き出し部分を作製した。得られた基板をアセトン、“セミコクリン56”(フルウチ化学(株)製)で15分間超音波洗浄してから、超純水で洗浄した。続いて、イソプロピルアルコールで15分間超音波洗浄してから熱メタノールに15分間浸漬させて乾燥させた。素子を作製する直前にこの基板を1時間UV−オゾン処理し、さらに真空蒸着装置内に設置して、装置内の真空度が5×10−5Pa以下になるまで排気した。抵抗加熱法によって、まず正孔注入材料として、銅フタロシアニンを10nm、正孔輸送材料として、4,4’−ビス(N−(1−ナフチル)−N−フェニルアミノ)ビフェニルを50nm蒸着した。次に、発光材料として、ホスト材料として下記式に示すH−1を、またドーパント材料として化合物[14]をドープ濃度が4%になるように35nmの厚さに蒸着した。次に、電子輸送材料として、下記式に示すE−1を20nmの厚さに積層した。以上で形成した有機層上に、フッ化リチウムを0.5nmの厚さに蒸着した後、アルミニウムを1000nm蒸着して陰極とし、5×5mm角の素子を作製した。ここで言う膜厚は、水晶発振式膜厚モニターの表示値である。この発光素子を10mA/cm2で直流駆動したところ、発光効率3.5lm/Wの高効率青色発光が得られた。この発光素子を10mA/cm2の直流で連続駆動したところ、輝度半減時間は4000時間であった。
ドーパント材料として下記式に示すD−1を用いた以外は、実施例2と同様にして発光素子を作製した。この発光素子を10mA/cm2で直流駆動したところ、1.5lm/Wの青色発光が得られた。この発光素子を10mA/cm2で直流駆動したところ、500時間で輝度半減した。
ドーパント材料として下記式に示すD−2を用いた以外は、実施例2と同様にして発光素子を作製した。この発光素子を10mA/cm2で直流駆動したところ、発光効率2.0lm/Wの青色発光が得られた。この発光素子を10mA/cm2の直流で連続駆動したところ、400時間で輝度半減した。
ドーパント材料として下記式に示すD−3を用いた以外は、実施例2と同様にして発光素子を作製した。この発光素子を10mA/cm2で直流駆動したところ、発光効率1.2lm/Wの青色発光が得られた。この発光素子を10mA/cm2の直流で連続駆動したところ、700時間で輝度半減した。
ドーパント材料として化合物[15]を用いた以外は、実施例2と同様にして発光素子を作製した。この発光素子を10mA/cm2で直流駆動したところ、発光効率3.7lm/Wの高効率青色発光が得られた。この発光素子を10mA/cm2の直流で連続駆動したところ、輝度半減時間は4200時間であった。
ドーパント材料として化合物[16]を用いた以外は、実施例2と同様にして発光素子を作製した。この発光素子を10mA/cm2で直流駆動したところ、発光効率3.2lm/Wの高効率青色発光が得られた。この発光素子を10mA/cm2の直流で連続駆動したところ、輝度半減時間は4500時間であった。
ITO透明導電膜を150nm堆積させたガラス基板(旭硝子(株)製、15Ω/□、電子ビーム蒸着品)を30×40mmに切断し、フォトリソグラフィー法によって300μmピッチ(残り幅270μm)×32本のストライプ状にパターン加工した。ITOストライプの長辺方向片側は外部との電気的接続を容易にするために1.27mmピッチ(開口部幅800μm)まで広げてある。得られた基板をアセトン、“セミコクリン56”(商品名、フルウチ化学(株)製)で各々15分間超音波洗浄してから、超純水で洗浄した。続いて、イソプロピルアルコールで15分間超音波洗浄してから熱メタノールに15分間浸漬させて乾燥させた。この基板を素子を作製する直前に1時間UV−オゾン処理し、真空蒸着装置内に設置して、装置内の真空度が5×10−4Pa以下になるまで排気した。抵抗加熱法によって、まず正孔輸送材料として4,4’−ビス(N−(1−ナフチル)−N−フェニルアミノ)ビフェニルを150nm蒸着した。次に、ホスト材料としてH−1を、またドーパント材料として化合物〔14〕をドープ濃度が4%になるように35nmの厚さに蒸着した。次に、電子輸送材料としてE−1を20nmの厚さに積層した。ここで言う膜厚は、水晶発振式膜厚モニター表示値である。次に、厚さ50μmのコバール板にウエットエッチングによって16本の250μmの開口部(残り幅50μm、300μmピッチに相当)を設けたマスクを、真空中でITOストライプに直交するようにマスク交換し、マスクとITO基板が密着するように裏面から磁石で固定した。そしてフッ化リチウムを0.5nm蒸着した後、アルミニウムを200nm蒸着して32×16ドットマトリクス素子を作製した。本素子をマトリクス駆動させたところ、クロストークなく文字表示できた。
Claims (5)
- R 2 〜R10の少なくとも一つが、アリール基またはヘテロアリール基であることを特徴とする請求項1記載の発光素子材料。
- 陽極と陰極の間に少なくとも発光層が存在し、電気エネルギーにより発光する発光素子であって、発光素子が請求項1または2記載の発光素子材料を含有することを特徴とする発光素子。
- 発光層がホスト材料とドーパント材料を有し、一般式(1)で表される発光素子材料がドーパント材料であることを特徴とする請求項3記載の発光素子。
- 発光層と陰極の間に少なくとも電子輸送層が存在し、電子輸送層が、電子受容性窒素を含み、さらに炭素、水素、窒素、酸素、ケイ素、リンの中から選ばれる元素で構成されるヘテロアリール環構造を有する化合物を含有することを特徴とする請求項3記載の発光素子。
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