JP6575673B2 - 有機発光素子 - Google Patents
有機発光素子 Download PDFInfo
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- JP6575673B2 JP6575673B2 JP2018502092A JP2018502092A JP6575673B2 JP 6575673 B2 JP6575673 B2 JP 6575673B2 JP 2018502092 A JP2018502092 A JP 2018502092A JP 2018502092 A JP2018502092 A JP 2018502092A JP 6575673 B2 JP6575673 B2 JP 6575673B2
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- Prior art keywords
- substituted
- unsubstituted
- compound
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- light emitting
- Prior art date
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- 150000001875 compounds Chemical class 0.000 claims description 170
- -1 phenylene, phenylene Chemical group 0.000 claims description 80
- 125000003118 aryl group Chemical group 0.000 claims description 30
- 229910052760 oxygen Inorganic materials 0.000 claims description 25
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 23
- 239000000126 substance Substances 0.000 claims description 19
- 229910052717 sulfur Inorganic materials 0.000 claims description 18
- 125000000217 alkyl group Chemical group 0.000 claims description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims description 17
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 15
- 229910052710 silicon Inorganic materials 0.000 claims description 15
- 125000003342 alkenyl group Chemical group 0.000 claims description 11
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 11
- 125000006819 (C2-60) heteroaryl group Chemical group 0.000 claims description 10
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 10
- 229910052805 deuterium Inorganic materials 0.000 claims description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 8
- 229910052736 halogen Inorganic materials 0.000 claims description 6
- 150000002367 halogens Chemical class 0.000 claims description 6
- 125000000732 arylene group Chemical group 0.000 claims description 5
- 125000005549 heteroarylene group Chemical group 0.000 claims description 5
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 5
- 125000004076 pyridyl group Chemical group 0.000 claims description 5
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 5
- 125000003960 triphenylenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C3=CC=CC=C3C12)* 0.000 claims description 5
- 125000004438 haloalkoxy group Chemical group 0.000 claims description 4
- 125000001188 haloalkyl group Chemical group 0.000 claims description 4
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 claims description 4
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 4
- 125000005551 pyridylene group Chemical group 0.000 claims description 4
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 claims description 3
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims description 3
- 125000001792 phenanthrenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C=CC12)* 0.000 claims description 3
- 125000005509 dibenzothiophenyl group Chemical group 0.000 claims description 2
- 125000004957 naphthylene group Chemical group 0.000 claims description 2
- 125000005560 phenanthrenylene group Chemical group 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 106
- 238000004519 manufacturing process Methods 0.000 description 51
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 42
- 238000002360 preparation method Methods 0.000 description 38
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 34
- 238000002347 injection Methods 0.000 description 33
- 239000007924 injection Substances 0.000 description 33
- 239000000463 material Substances 0.000 description 32
- 239000000203 mixture Substances 0.000 description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 23
- 125000004432 carbon atom Chemical group C* 0.000 description 21
- 239000011368 organic material Substances 0.000 description 21
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 20
- 239000007787 solid Substances 0.000 description 17
- 230000032258 transport Effects 0.000 description 17
- 238000006243 chemical reaction Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 12
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- 230000005525 hole transport Effects 0.000 description 12
- 238000010992 reflux Methods 0.000 description 12
- 239000000758 substrate Substances 0.000 description 12
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical group C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 11
- ABRVLXLNVJHDRQ-UHFFFAOYSA-N [2-pyridin-3-yl-6-(trifluoromethyl)pyridin-4-yl]methanamine Chemical compound FC(C1=CC(=CC(=N1)C=1C=NC=CC=1)CN)(F)F ABRVLXLNVJHDRQ-UHFFFAOYSA-N 0.000 description 11
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 11
- 239000012153 distilled water Substances 0.000 description 10
- 239000000706 filtrate Substances 0.000 description 10
- 125000001424 substituent group Chemical group 0.000 description 10
- 229910052782 aluminium Inorganic materials 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- 238000000151 deposition Methods 0.000 description 9
- 239000002019 doping agent Substances 0.000 description 8
- 125000000623 heterocyclic group Chemical group 0.000 description 8
- 239000012044 organic layer Substances 0.000 description 8
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 8
- 239000010408 film Substances 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000010405 anode material Substances 0.000 description 6
- 150000004982 aromatic amines Chemical class 0.000 description 6
- 239000010406 cathode material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 5
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000010409 thin film Substances 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- REAYFGLASQTHKB-UHFFFAOYSA-N [2-[3-(1H-pyrazol-4-yl)phenoxy]-6-(trifluoromethyl)pyridin-4-yl]methanamine Chemical compound N1N=CC(=C1)C=1C=C(OC2=NC(=CC(=C2)CN)C(F)(F)F)C=CC=1 REAYFGLASQTHKB-UHFFFAOYSA-N 0.000 description 4
- ZADPBFCGQRWHPN-UHFFFAOYSA-N boronic acid Chemical compound OBO ZADPBFCGQRWHPN-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 229920001940 conductive polymer Polymers 0.000 description 4
- 239000003599 detergent Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 4
- 229910000027 potassium carbonate Inorganic materials 0.000 description 4
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 3
- WTAPZWXVSZMMDG-UHFFFAOYSA-N 1,5-diphenylpenta-1,4-dien-3-one;palladium Chemical compound [Pd].C=1C=CC=CC=1C=CC(=O)C=CC1=CC=CC=C1 WTAPZWXVSZMMDG-UHFFFAOYSA-N 0.000 description 3
- DDGPPAMADXTGTN-UHFFFAOYSA-N 2-chloro-4,6-diphenyl-1,3,5-triazine Chemical compound N=1C(Cl)=NC(C=2C=CC=CC=2)=NC=1C1=CC=CC=C1 DDGPPAMADXTGTN-UHFFFAOYSA-N 0.000 description 3
- MZSAMHOCTRNOIZ-UHFFFAOYSA-N 3-[4-(aminomethyl)-6-(trifluoromethyl)pyridin-2-yl]oxy-N-phenylaniline Chemical compound NCC1=CC(=NC(=C1)C(F)(F)F)OC=1C=C(NC2=CC=CC=C2)C=CC=1 MZSAMHOCTRNOIZ-UHFFFAOYSA-N 0.000 description 3
- HAEQAUJYNHQVHV-UHFFFAOYSA-N 3-[4-(aminomethyl)-6-(trifluoromethyl)pyridin-2-yl]oxy-N-phenylbenzamide Chemical compound NCC1=CC(=NC(=C1)C(F)(F)F)OC=1C=C(C(=O)NC2=CC=CC=C2)C=CC=1 HAEQAUJYNHQVHV-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 238000006069 Suzuki reaction reaction Methods 0.000 description 3
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical group C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 3
- ZEEBGORNQSEQBE-UHFFFAOYSA-N [2-(3-phenylphenoxy)-6-(trifluoromethyl)pyridin-4-yl]methanamine Chemical compound C1(=CC(=CC=C1)OC1=NC(=CC(=C1)CN)C(F)(F)F)C1=CC=CC=C1 ZEEBGORNQSEQBE-UHFFFAOYSA-N 0.000 description 3
- SAHIZENKTPRYSN-UHFFFAOYSA-N [2-[3-(phenoxymethyl)phenoxy]-6-(trifluoromethyl)pyridin-4-yl]methanamine Chemical compound O(C1=CC=CC=C1)CC=1C=C(OC2=NC(=CC(=C2)CN)C(F)(F)F)C=CC=1 SAHIZENKTPRYSN-UHFFFAOYSA-N 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 125000003710 aryl alkyl group Chemical group 0.000 description 3
- 125000001769 aryl amino group Chemical group 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 125000006267 biphenyl group Chemical group 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 125000004185 ester group Chemical group 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 3
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 3
- 235000019341 magnesium sulphate Nutrition 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 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
- 229920000767 polyaniline Polymers 0.000 description 3
- 238000001953 recrystallisation Methods 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
- 239000002904 solvent Substances 0.000 description 3
- WLPUWLXVBWGYMZ-UHFFFAOYSA-N tricyclohexylphosphine Chemical compound C1CCCCC1P(C1CCCCC1)C1CCCCC1 WLPUWLXVBWGYMZ-UHFFFAOYSA-N 0.000 description 3
- 238000001771 vacuum deposition Methods 0.000 description 3
- JWJQEUDGBZMPAX-UHFFFAOYSA-N (9-phenylcarbazol-3-yl)boronic acid Chemical compound C12=CC=CC=C2C2=CC(B(O)O)=CC=C2N1C1=CC=CC=C1 JWJQEUDGBZMPAX-UHFFFAOYSA-N 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
- 125000005916 2-methylpentyl group Chemical group 0.000 description 2
- 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 2
- QENGPZGAWFQWCZ-UHFFFAOYSA-N 3-Methylthiophene Chemical compound CC=1C=CSC=1 QENGPZGAWFQWCZ-UHFFFAOYSA-N 0.000 description 2
- LTBWKAYPXIIVPC-UHFFFAOYSA-N 3-bromo-9h-carbazole Chemical compound C1=CC=C2C3=CC(Br)=CC=C3NC2=C1 LTBWKAYPXIIVPC-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 208000035484 Cellulite Diseases 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- 206010049752 Peau d'orange Diseases 0.000 description 2
- NRCMAYZCPIVABH-UHFFFAOYSA-N Quinacridone Chemical compound N1C2=CC=CC=C2C(=O)C2=C1C=C1C(=O)C3=CC=CC=C3NC1=C2 NRCMAYZCPIVABH-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 125000003282 alkyl amino group Chemical group 0.000 description 2
- 125000002877 alkyl aryl group Chemical group 0.000 description 2
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 2
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 2
- 150000004056 anthraquinones Chemical class 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 125000005264 aryl amine group Chemical group 0.000 description 2
- ILAHWRKJUDSMFH-UHFFFAOYSA-N boron tribromide Chemical compound BrB(Br)Br ILAHWRKJUDSMFH-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- 230000036232 cellulite Effects 0.000 description 2
- WDECIBYCCFPHNR-UHFFFAOYSA-N chrysene Chemical compound C1=CC=CC2=CC=C3C4=CC=CC=C4C=CC3=C21 WDECIBYCCFPHNR-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229940125782 compound 2 Drugs 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
- 125000005241 heteroarylamino group Chemical group 0.000 description 2
- 125000005462 imide group Chemical group 0.000 description 2
- 239000011630 iodine Substances 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 125000002950 monocyclic group Chemical group 0.000 description 2
- 125000001624 naphthyl group Chemical group 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- WCPAKWJPBJAGKN-UHFFFAOYSA-N oxadiazole Chemical group C1=CON=N1 WCPAKWJPBJAGKN-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 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 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 125000003367 polycyclic group Chemical group 0.000 description 2
- 229920000123 polythiophene Polymers 0.000 description 2
- 150000004032 porphyrins Chemical class 0.000 description 2
- 235000011056 potassium acetate Nutrition 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- BBEAQIROQSPTKN-UHFFFAOYSA-N pyrene Chemical compound C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 description 2
- 125000001725 pyrenyl group Chemical group 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 description 2
- 125000001425 triazolyl group Chemical group 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
- 238000007740 vapor deposition Methods 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- DYVJQLYYHMZIIU-UHFFFAOYSA-N (3-chloro-5-cyanophenyl)boronic acid Chemical compound OB(O)C1=CC(Cl)=CC(C#N)=C1 DYVJQLYYHMZIIU-UHFFFAOYSA-N 0.000 description 1
- CAYQIZIAYYNFCS-UHFFFAOYSA-N (4-chlorophenyl)boronic acid Chemical compound OB(O)C1=CC=C(Cl)C=C1 CAYQIZIAYYNFCS-UHFFFAOYSA-N 0.000 description 1
- CEBAHYWORUOILU-UHFFFAOYSA-N (4-cyanophenyl)boronic acid Chemical compound OB(O)C1=CC=C(C#N)C=C1 CEBAHYWORUOILU-UHFFFAOYSA-N 0.000 description 1
- XPEIJWZLPWNNOK-UHFFFAOYSA-N (4-phenylphenyl)boronic acid Chemical compound C1=CC(B(O)O)=CC=C1C1=CC=CC=C1 XPEIJWZLPWNNOK-UHFFFAOYSA-N 0.000 description 1
- JEGHCYRKSUGHJH-UHFFFAOYSA-N (5-chloropyridin-2-yl)boronic acid Chemical compound OB(O)C1=CC=C(Cl)C=N1 JEGHCYRKSUGHJH-UHFFFAOYSA-N 0.000 description 1
- FIDRAVVQGKNYQK-UHFFFAOYSA-N 1,2,3,4-tetrahydrotriazine Chemical compound C1NNNC=C1 FIDRAVVQGKNYQK-UHFFFAOYSA-N 0.000 description 1
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical group C1=CN=NN=C1 JYEUMXHLPRZUAT-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
- 125000000355 1,3-benzoxazolyl group Chemical group O1C(=NC2=C1C=CC=C2)* 0.000 description 1
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- 125000002560 nitrile group Chemical group 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 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
- 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
- 229960003540 oxyquinoline Drugs 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- MXQOYLRVSVOCQT-UHFFFAOYSA-N palladium;tritert-butylphosphane Chemical compound [Pd].CC(C)(C)P(C(C)(C)C)C(C)(C)C.CC(C)(C)P(C(C)(C)C)C(C)(C)C MXQOYLRVSVOCQT-UHFFFAOYSA-N 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 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
- UPYVSYVLGOADDG-UHFFFAOYSA-N phenanthren-3-ylboronic acid Chemical compound C1=CC=C2C3=CC(B(O)O)=CC=C3C=CC2=C1 UPYVSYVLGOADDG-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
- XPPWLXNXHSNMKC-UHFFFAOYSA-N phenylboron Chemical group [B]C1=CC=CC=C1 XPPWLXNXHSNMKC-UHFFFAOYSA-N 0.000 description 1
- 125000004592 phthalazinyl group Chemical group C1(=NN=CC2=CC=CC=C12)* 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910000160 potassium phosphate Inorganic materials 0.000 description 1
- 235000011009 potassium phosphates Nutrition 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 125000003373 pyrazinyl group Chemical group 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 238000006862 quantum yield reaction Methods 0.000 description 1
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 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
- 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
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-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
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- JLBRGNFGBDNNSF-UHFFFAOYSA-N tert-butyl(dimethyl)borane Chemical group CB(C)C(C)(C)C JLBRGNFGBDNNSF-UHFFFAOYSA-N 0.000 description 1
- 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 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
- 238000012546 transfer Methods 0.000 description 1
- KWQNQSDKCINQQP-UHFFFAOYSA-K tri(quinolin-8-yloxy)gallane Chemical compound C1=CN=C2C(O[Ga](OC=3C4=NC=CC=C4C=CC=3)OC=3C4=NC=CC=C4C=CC=3)=CC=CC2=C1 KWQNQSDKCINQQP-UHFFFAOYSA-K 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- LALRXNPLTWZJIJ-UHFFFAOYSA-N triethylborane Chemical group CCB(CC)CC LALRXNPLTWZJIJ-UHFFFAOYSA-N 0.000 description 1
- WXRGABKACDFXMG-UHFFFAOYSA-N trimethylborane Chemical group CB(C)C WXRGABKACDFXMG-UHFFFAOYSA-N 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
- MXSVLWZRHLXFKH-UHFFFAOYSA-N triphenylborane Chemical group C1=CC=CC=C1B(C=1C=CC=CC=1)C1=CC=CC=C1 MXSVLWZRHLXFKH-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 238000007738 vacuum evaporation 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
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 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
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
- HTPBWAPZAJWXKY-UHFFFAOYSA-L zinc;quinolin-8-olate Chemical compound [Zn+2].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 HTPBWAPZAJWXKY-UHFFFAOYSA-L 0.000 description 1
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Description
本出願は、2016年11月16日付の韓国特許出願第10−2016−0152691号および2017年7月26日付の韓国特許出願第10−2017−0094877号に基づく優先権の利益を主張し、当該韓国特許出願の文献に開示された全ての内容は本明細書の一部として含まれる。
本発明で使用される陽極および陰極は、有機発光素子に使用される電極を意味する。
本発明による発光層は第1ホストと第2ホストとを含み、前記第1ホストのHOMOは5.6eVから6.4eVであり、前記第2ホストのHOMOは5.4eVから5.8eVであり、前記第1ホストのHOMOと前記第2ホストのHOMOとの差は0.2eV以上であり、前記第1ホストおよび第2ホストの混合物の最大発光波長が、前記第1ホストの最大発光波長より20nm以上高いという特徴がある。
YはO、S、またはSiR1R2であり、
X1からX3はそれぞれ独立してN、またはCR3であり、但し、X1からX3のうちの少なくとも一つはNであり、
L1およびL2はそれぞれ独立して、単一結合;置換もしくは非置換のC6−60アリーレン;または置換もしくは非置換のO、N、SiおよびSのうち1つ以上を含むC2−60ヘテロアリーレンであり、
Ar1およびAr2はそれぞれ独立して置換もしくは非置換のC6−60アリール;または置換もしくは非置換のO、N、SiおよびSのうち1つ以上を含むC2−60ヘテロアリールであり、
Ar3は置換もしくは非置換のC6−60アリールであり、
R1、R2およびR3はそれぞれ独立して水素;重水素;ハロゲン;シアノ;ニトロ;アミノ;置換もしくは非置換のC1−60アルキル;置換もしくは非置換のC1−60ハロアルキル;置換もしくは非置換のC1−60ハロアルコキシ;置換もしくは非置換のC3−60シクロアルキル;置換もしくは非置換のC2−60アルケニル;置換もしくは非置換のC6−60アリール;または置換もしくは非置換のO、N、SiおよびSのうち1つ以上を含むC2−60ヘテロアリールであり、
Y'はO、S、NR'、またはCR'R''であり、
ここで、R'およびR''はそれぞれ独立して水素;重水素;ハロゲン;シアノ;ニトロ;アミノ;置換もしくは非置換のC1−60アルキル;置換もしくは非置換のC1−60ハロアルキル;置換もしくは非置換のC1−60ハロアルコキシ;置換もしくは非置換のC3−60シクロアルキル;置換もしくは非置換のC2−60アルケニル;置換もしくは非置換のC6−60アリール;または置換もしくは非置換のO、N、SiおよびSのうち1つ以上を含むC2−60ヘテロアリールであり、またはR'およびR''が共に置換もしくは非置換のC6−60芳香族環を形成し、
L'およびL''はそれぞれ独立して単一結合;置換もしくは非置換のC6−60アリーレン;または置換もしくは非置換のO、N、SiおよびSのうち1つ以上を含むC2−60ヘテロアリーレンであり、
R'1は置換もしくは非置換のC1−60アルキル;置換もしくは非置換のC3−60シクロアルキル;置換もしくは非置換のC6−60アリール;または置換もしくは非置換のO、N、SiおよびSのうち1つ以上を含むC2−60ヘテロアリールであり、
R'2およびR'3はそれぞれ独立して、水素;重水素;ハロゲン;シアノ;置換もしくは非置換のC1−60アルキル;置換もしくは非置換のC3−60シクロアルキル;置換もしくは非置換のC6−60アリール;または置換もしくは非置換のO、N、SiおよびSのうち1つ以上を含むC2−60ヘテロアリールであり、
nおよびmはそれぞれ独立して0から4の整数である。
また、本発明による有機発光素子は、必要に応じて正孔注入層、正孔輸送層、電子輸送層、および/または電子伝達層を含むことができる。
本発明による有機発光素子は、前記発光層に第1ホストと第2ホストとを含むことを除いては、当技術分野で知られている材料と方法で製造されることができる。
ブロモ−3−フルオロ−2−ヨードベンゼン(1−bromo−3−fluoro−2−iodobenzene)(100g、333.5mmol)、2−メトキシフェニルボロン酸((2−methoxyphenyl)boronic acid)(50.6g、333.5mmol)をテトラヒドロフラン(THF)800mLに溶かした。
化合物P−1(45g、158mmol)をジクロロメタン(Dichlorometahne)(600mL)に溶かした後、0℃に冷却させた。
窒素雰囲気下で化合物P−2(33g、110mmol)をジメチルホルムアミド200mLに入れて攪拌した。
窒素雰囲気下で化合物P−3(20g、80mmol)にヨウ素(2.06g、40mmol)、ヨウ素酸(3.13g、17.8mmol)を投入し、80mLの酢酸と20mLの硫酸混合物を溶媒にして投入し、10mLの水および4mLのクロロホルムを追加で投入して65℃で3時間攪拌した。
化合物P−4(20g、54mmol)とトリフェニレン−2−イルボロン酸(15g、54mmol)をテトラヒドロフラン(200mL)に分散させた後、2M炭酸カリウム水溶液(aq.K2CO3)(80mL、162mmol)を添加し、テトラキストリフェニルホスフィノパラジウム[Pd(PPh3)4](0.6g、1mol%)を入れた後、5時間攪拌還流した。
化合物1−1−A(20g、42.2mmol)、ビス(ピナコラト)ジボロン(Bis(pinacolato)diborone)(14.5g、50.6mmol)、ポタシウムアセテート(potassium acetate)(8.5g、85mmol)を1,4−ジオキサン100mLに投入し、還流攪拌状態でジベンジリデンアセトンパラジウム0.73g(1.3mmol)とトリシクロヘキシルホスフィン0.71g(1.3mmol)を添加し、12時間還流攪拌した。反応が終わった後、混合物を室温に冷却し、セルライトを通してろ過した。
化合物1−1−B(20g、38mmol)と2−クロロ−4,6−ジフェニル−1,3,5−トリアジン(10.3g、38mmol)をテトラヒドロフラン(150mL)に分散させた後、2M炭酸カリウム水溶液(aq.K2CO3)(58mL、115mmol)を添加し、テトラキストリフェニルホスフィノパラジウム[Pd(PPh3)4](0.45g、1mol%)を入れた後、6時間攪拌還流した。
化合物P−4(20g、54mmol)と4−(ナフタレン−1−イル)フェニル)ボロン酸(13.3g、54mmol)をテトラヒドロフラン(200mL)に分散させた後、2M炭酸カリウム水溶液(aq.K2CO3)(80mL、160mmol)を添加し、テトラキストリフェニルホスフィノパラジウム[Pd(PPh3)4](0.6g、1mol%)を入れた後、5時間攪拌還流した。常温に温度を下げて生成された固体をろ過した。
化合物1−2−A(20g、44.5mmol)、ビス(ピナコラト)ジボロン(Bis(pinacolato)diborone)(15.3g、53.4mmol)、ポタシウムアセテート(potassium acetate)(8.7g、89mmol)を1,4−ジオキサン200mLに投入し、還流攪拌状態でジベンジリデンアセトンパラジウム0.8g(1.3mmol)とトリシクロヘキシルホスフィン0.8g(1.3mmol)を添加し、12時間還流攪拌した。
化合物1−2−B(20g、40mmol)と2−クロロ−4−(ジベンゾ[b,d]フラン−4−イル)−6−フェニル−1,3,5−トリアジン(14.4g、40mmol)をテトラヒドロフラン(180mL)に分散させた後、2M炭酸カリウム水溶液(aq.K2CO3)(60mL、121mmol)を添加し、テトラキストリフェニルホスフィノパラジウム[Pd(PPh3)4](0.47g、1mol%)を入れた後、6時間攪拌還流した。
化合物P−4(20g、54mmol)と[1,1'−ビフェニル]−4−イルボロン酸を用いて化合物1−A−1の製造例と同様の方法で化合物1−3−A(18.4g、収率86%)を製造した。
2−クロロ−4,6−ジフェニル−1,3,5−トリアジン(30g、112mmol)と(3−クロロ−5−シアノフェニル)ボロン酸(20g、112mmol)をテトラヒドロフラン(480mL)に分散させた後、2M炭酸カリウム水溶液(aq.K2CO3)(160mL、336mmol)を添加し、テトラキストリフェニルホスフィノパラジウム[Pd(PPh3)4](1.2g、1mol%)を入れた後、5時間攪拌還流した。
化合物1−3−B(20g、54mmol)を用いて化合物1−A−2の製造例と同様の方法で化合物1−3−B(19g、収率76%)を製造した。
化合物1−3−A(17.3g、43mmol)と化合物1−3−C(20g、43mmol)を用いて化合物1−1の製造例と同様の方法で化合物1−3(20.7g、収率73%)を製造した。
1−ブロモ−ジベンゾチオフェン(20g、76mmol)を用いて中間体P−4の製造例と同様の方法で化合物S−4(16.5g、収率65%)を得た。
化合物S−4(20g、51mmol)と(4'−クロロ−[1,1'−ビフェニル]−4−イル)ボロン酸(13.2g、57mmol)を用いて化合物1−1−Aの製造例と同様の方法で化合物1−4−A(20g、収率83%)を製造した。
化合物1−4−A(20g、44.5mmol)を用いて化合物1−1−Bの製造例と同様の方法で化合物1−4−B(19g、収率86%)を製造した。
化合物1−4−B(20g、40.3mmol)と2−([1,1'−ビフェニル−3−イル]−4−クロロ−6−フェニル−1,3,5−トリアジン(13.8g、40.3mmol)を用いて化合物1−1−Cの製造例と同様の方法で化合物1−4−C(19g、収率86%)を製造した。
化合物1−4−C(20g、30mmol)を用いて化合物1−3−Cの製造例と同様に実験を行って化合物1−4−D(16g、収率82%)を製造した。
化合物1−4−D(20g、26mmol)とブロモベンゼン−d5(5g、31mmol)を用いて1−1−Aの製造例と同様に実験を行って化合物1−4(13g、収率70%)を製造した。
5'−ブロモ−1,1':3',1''−ターフェニル(20g、65mmol)と(4−クロロフェニル)ボロン酸(12.1g、78mmol)を用いて化合物1−1−Aの製造例と同様の方法で化合物1−5−A(19g、収率86%)を製造した。
化合物1−5−A(20g、59mmol)を用いて化合物1−1−Bの製造例と同様の方法で化合物1−5−B(21g、収率81%)を製造した。
化合物1−5−B(20g、46mmol)と中間体P−4(17g、46mmol)を用いて化合物1−1−Aの製造例と同様の方法で化合物1−5−C(19.3g、収率76%)を製造した。
化合物1−5−C(15g、27mmol)を用いて化合物1−1−Bの製造例と同様の方法で化合物1−5−D(11.5g、収率80%)を製造した。
化合物1−5−D(12g、20mmol)と2−クロロ−4,6−ジフェニルピリミジン(5.7g、20mmol)を用いて化合物1−1の製造例と同様の方法で化合物1−5(8.2g、収率77%)を製造した。
中間体P−4(25g、67mmol)と2,4−ジフェニル−6−(3−(4,4,5,5−テトラフェニル−1,3,2−ジオキサボラン−2−イル)フェニル−1,3,5−トリアジン(29.2g、67mmol)を用いて化合物1−1−Aの製造例と同様の方法で化合物1−6−A(26.2g、収率82%)を製造した。
化合物1−6−A(17g、31mmol)を用いて化合物1−1−Bの製造例と同様に実験を行って化合物1−6−B(13.0g、収率80%)を製造した。
化合物4−ヨード−1,1'−ビフェニル(20g、71mmol)と(5−クロロピリジン−2−イル)ボロン酸を用いて化合物1−1−Aの製造例と同様に実験を行って化合物1−6−C(13.2g、収率70%)を製造した。
化合物1−6−B(23g、38mmol)と化合物1−6−C(10.2g、38mmol)を1,4−ジオキサン(150mL)に投入し、ポタシウムホスフェート(24g、115mmol)と水(40mL)を追加で投入した。
化合物P−4(15g、40mmol)を用いて化合物1−1−Bの製造例と同様に実験を行って化合物1−7−A(11.6g、収率77%)を製造した。
化合物1−7−A(11g、23mmol)と2−クロロ−4,6−ジフェニル−1,3,5−トリアジン(6.2g、23mmol)を用いて化合物1−1の製造例と同様の方法で化合物1−7−B(9.0g、収率82%)を製造した。
化合物1−7−B(9.0g、18.8mmol)とフェナントレン−3−イルボロン酸(4.2g、19mmol)を用いて化合物1−1の製造例と同様の方法で化合物1−7(8.4g、収率77%)を製造した。
2−クロロジベンゾ[b,d]チオフェン(22g、101mmol)をクロロホルム50mLに溶かし、冷却して0℃に温度を下げて、Br2溶液(5.5mL、108mmol)をゆっくり滴加した。
化合物2−2−A(15g、50mmol)と(9−フェニル−9H−カルバゾール−3−イル)ボロン酸(15.2g、53mmol)をテトラヒドロフラン(200mL)に分散させた後、2M炭酸カリウム水溶液(aq.K2CO3)(75mL、151mmol)を添加し、テトラキストリフェニルホスフィノパラジウム[Pd(PPh3)4](0.6g、1mol%)を入れた後、6時間攪拌還流した。
化合物2−2−B(17g、37mmol)と(4−シアノフェニル)ボロン酸(5.7g、38.8mmol)をテトラヒドロフラン(160mL)に分散させた後、2M炭酸カリウム水溶液(aq.K2CO3)(65mL、111mmol)を添加し、テトラキストリフェニルホスフィノパラジウム[Pd(PPh3)4](0.4g、1mol%)を入れた後、6時間攪拌還流した。
3−ブロモ−9H−カルバゾール(15g、61mmol)と(9−フェニル−9H−カルバゾール−3−イル)ボロン酸(18.4g、64mmol)を用いて化合物2−1の製造例と同様に化合物2−3−A(20.2g、収率81%)を製造した
化合物2−3−A(12g、30mmol)と2−ブロモ−9−フェニル−9H−カルバゾール(9.5g、30mmol)をトルエン150mLに投入して溶かし、ナトリウムtert−ブトキシド(5.6g、59mmol)を添加して加温した。
(9H−カルバゾール−2−イル)ボロン酸(20g、95mmol)と3−(4−クロロフェニル)−9−フェニル−9H−カルバゾール(33.5g、95mmol)を用いて化合物1−6の製造例と同様の方法で化合物2−5−A(38g、収率83%)を製造した。
化合物2−5−A(15g、31mmol)と3−ブロモ−1,1'−ビフェニル(7.2g、31mmol)を用いて化合物2−3の製造例と同様の方法で化合物2−5(15g、収率76%)を製造した。
3−ブロモ−9H−カルバゾール(15g、61mmol)と9−([1,1'−ビフェニル]−4−イル)−9H−カルバゾール−3−イル)ボロン酸(22g、61mmol)を用いて化合物2−1の製造例と同様の方法で化合物2−7−A(24g、収率81%)を製造した。
化合物2−7−A(13g、27mmol)と2−ブロモピリジン(4.3g、27mmol)を用いて化合物2−3の製造例と同様の方法で化合物2−7(8.5g、収率65%)を製造した。
ITO(indium tin oxide)が1、300Åの厚さで薄膜コーティングされたガラス基板を洗剤を溶かした蒸留水に入れて超音波で洗浄した。
前記実験例1と同様の方法で製造するが、発光層形成時に燐光ホスト物質およびドーパント含有量を下記表1のように変更したことを除いては、前記実験例1と同様の方法を利用して有機発光素子をそれぞれ製作した。
前記実験例1と同様の方法で製造するが、発光層形成時に燐光ホスト物質およびドーパント含有量を下記表1のように変更したことを除いては、前記実験例1と同様の方法を利用して有機発光素子をそれぞれ製作した。
ITO(indium tin oxide)が1、300Åの厚さで薄膜コーティングされたガラス基板を洗剤を溶かした蒸留水に入れて超音波で洗浄した。
前記実験例10と同様の方法で製造するが、発光層形成時に燐光ホスト物質およびドーパント含有量を下記表2のように変更したことを除いては、前記実験例10と同様の方法を利用して有機発光素子をそれぞれ製作した。
前記実験例10と同様の方法で製造するが、発光層形成時に燐光ホスト物質およびドーパント含有量を下記表2のように変更したことを除いては、前記実験例10と同様の方法を利用して有機発光素子をそれぞれ製作した。
前記実施例で製造した化合物のHOMOおよびPLmax(最大発光波長)を下記の方法で測定した。
2 陽極
3 発光層
4 陰極
5 正孔注入層
6 正孔輸送層
7 発光層
8 電子輸送層
Claims (10)
- 陰極;陽極;および前記陰極と陽極の間に少なくとも一つ以上の発光層を含み、
前記発光層は、下記の化学式1−1または化学式1−2で表される第1ホスト化合物および下記の化学式2で表される第2ホスト化合物を含む、有機発光素子。
[化学式1−1]
YはO、またはSであり、
X1からX3はそれぞれ独立してN、またはCR3であり、但し、X1からX3のうちの少なくとも一つはNであり、
L1は単一結合;置換もしくは非置換のC6−60アリーレン;または置換もしくは非置換のO、N、SiおよびSのうち1つ以上を含むC2−60ヘテロアリーレンであり、
L2は単一結合、フェニレン、ナフチレン、フェナンスレニレン、またはピリジニレンであり、
Ar1およびAr2はそれぞれ独立して置換もしくは非置換のC6−60アリール;または置換もしくは非置換のO、N、SiおよびSのうち1つ以上を含むC2−60ヘテロアリールであり、
Ar3は下記で構成される群から選択されるいずれか一つであり、
[化学式2]
Y'はO、S、NR'、またはCR'R''であり、
ここで、R'およびR''はそれぞれ独立して水素;重水素;ハロゲン;シアノ;ニトロ;アミノ;置換もしくは非置換のC1−60アルキル;置換もしくは非置換のC1−60ハロアルキル;置換もしくは非置換のC1−60ハロアルコキシ;置換もしくは非置換のC3−60シクロアルキル;置換もしくは非置換のC2−60アルケニル;置換もしくは非置換のC6−60アリール;または置換もしくは非置換のO、N、SiおよびSのうち1つ以上を含むC2−60ヘテロアリールであり、またはR'およびR''が共に置換もしくは非置換のC6−60芳香族環を形成し、
L'およびL''はそれぞれ独立して単一結合;置換もしくは非置換のC6−60アリーレン;または置換もしくは非置換のO、N、SiおよびSのうち1つ以上を含むC2−60ヘテロアリーレンであり、
R'1は置換もしくは非置換のC1−60アルキル;置換もしくは非置換のC3−60シクロアルキル;置換もしくは非置換のC6−60アリール;または置換もしくは非置換のO、N、SiおよびSのうち1つ以上を含むC2−60ヘテロアリールであり、
R'2およびR'3はそれぞれ独立して、水素;重水素;ハロゲン;シアノ;置換もしくは非置換のC1−60アルキル;置換もしくは非置換のC3−60シクロアルキル;置換もしくは非置換のC6−60アリール;または置換もしくは非置換のO、N、SiおよびSのうち1つ以上を含むC2−60ヘテロアリールであり、
nおよびmはそれぞれ独立して0から4の整数である。 - X1からX3はそれぞれ独立してN、またはCHであり、但し、X1からX3のうちの少なくとも一つはNである、請求項1に記載の有機発光素子。
- L1は、単一結合、フェニレン、シアノで置換されたフェニレン、またはフェニルで置換されたピリジニレンである、請求項1または2に記載の有機発光素子。
- Ar1およびAr2はそれぞれ独立してフェニル、シアノで置換されたフェニル、1から5個の重水素で置換されたフェニル、ビフェニリル、またはジベンゾフラニルである、請求項1から3の何れか一項に記載の有機発光素子。
- 前記化学式1−1または1−2で表される化合物は、下記で構成される群から選択されるいずれか一つである、
- Y'はO、S、NR'、C(CH3)2、または
ここで、R'はフェニル、シアノで置換されたフェニル、ビフェニリル、トリフェニレニル、シクロヘキシル、ジメチルフルオレニル、またはジベンゾフラニルである、請求項1から5の何れか一項に記載の有機発光素子。 - L'およびL''はそれぞれ独立して、単一結合、またはフェニレンである、請求項1から6の何れか一項に記載の有機発光素子。
- R'1はフェニル、tert−ブチルで置換されたフェニル、ビフェニリン、トリフェニレニル、フェナントレニル、ターフェニリル、ピリジニル、フェニルで置換されたカルバゾリル、ジメチルフルオレニル、またはジベンゾチオフェニルである、請求項1から7の何れか一項に記載の有機発光素子。
- R'2およびR'3はそれぞれ独立して、水素;tert−ブチル;シアノ;フェニル;シアノで置換されたフェニル;またはピリジニルである、請求項1から8の何れか一項に記載の有機発光素子。
- 前記化学式2で表される化合物は、下記で構成される群から選択されるいずれか一つである、
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