JP7403912B2 - フルオレン系化合物、これを用いた有機発光素子、およびこれの製造方法 - Google Patents
フルオレン系化合物、これを用いた有機発光素子、およびこれの製造方法 Download PDFInfo
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- JP7403912B2 JP7403912B2 JP2022534809A JP2022534809A JP7403912B2 JP 7403912 B2 JP7403912 B2 JP 7403912B2 JP 2022534809 A JP2022534809 A JP 2022534809A JP 2022534809 A JP2022534809 A JP 2022534809A JP 7403912 B2 JP7403912 B2 JP 7403912B2
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- NIHNNTQXNPWCJQ-UHFFFAOYSA-N o-biphenylenemethane Natural products C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 title claims description 61
- -1 Fluorene compound Chemical class 0.000 title claims description 49
- 238000004519 manufacturing process Methods 0.000 title claims description 28
- 239000010410 layer Substances 0.000 claims description 138
- 239000008199 coating composition Substances 0.000 claims description 91
- 239000000126 substance Substances 0.000 claims description 77
- 150000001875 compounds Chemical class 0.000 claims description 54
- 238000002347 injection Methods 0.000 claims description 46
- 239000007924 injection Substances 0.000 claims description 46
- 239000000463 material Substances 0.000 claims description 44
- 239000012044 organic layer Substances 0.000 claims description 43
- 125000005843 halogen group Chemical group 0.000 claims description 40
- 125000004432 carbon atom Chemical group C* 0.000 claims description 37
- 125000003118 aryl group Chemical group 0.000 claims description 36
- 229910052739 hydrogen Inorganic materials 0.000 claims description 35
- 239000001257 hydrogen Substances 0.000 claims description 35
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 31
- 125000000217 alkyl group Chemical group 0.000 claims description 29
- 230000032258 transport Effects 0.000 claims description 28
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 27
- 229910052805 deuterium Inorganic materials 0.000 claims description 27
- 125000001424 substituent group Chemical group 0.000 claims description 23
- 229920001187 thermosetting polymer Polymers 0.000 claims description 22
- 239000011368 organic material Substances 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 20
- 230000005525 hole transport Effects 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 19
- 125000001072 heteroaryl group Chemical group 0.000 claims description 18
- 229920000642 polymer Polymers 0.000 claims description 14
- 125000003545 alkoxy group Chemical group 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 5
- 125000002947 alkylene group Chemical group 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- IXHWGNYCZPISET-UHFFFAOYSA-N 2-[4-(dicyanomethylidene)-2,3,5,6-tetrafluorocyclohexa-2,5-dien-1-ylidene]propanedinitrile Chemical compound FC1=C(F)C(=C(C#N)C#N)C(F)=C(F)C1=C(C#N)C#N IXHWGNYCZPISET-UHFFFAOYSA-N 0.000 claims description 2
- DBDNZCBRIPTLJF-UHFFFAOYSA-N boron(1-) monohydride Chemical compound [BH-] DBDNZCBRIPTLJF-UHFFFAOYSA-N 0.000 claims description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 45
- 239000010409 thin film Substances 0.000 description 37
- 239000002904 solvent Substances 0.000 description 29
- 239000000243 solution Substances 0.000 description 19
- 229940125904 compound 1 Drugs 0.000 description 18
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- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 15
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- 229910052751 metal Inorganic materials 0.000 description 10
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- 150000004982 aromatic amines Chemical class 0.000 description 9
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- 230000000694 effects Effects 0.000 description 9
- 238000004770 highest occupied molecular orbital Methods 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 8
- 239000012153 distilled water Substances 0.000 description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 8
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 8
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 238000000151 deposition Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 6
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 6
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 6
- 229910052731 fluorine Inorganic materials 0.000 description 6
- 239000011737 fluorine Substances 0.000 description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 6
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 5
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 5
- 125000006267 biphenyl group Chemical group 0.000 description 5
- 239000010406 cathode material Substances 0.000 description 5
- 239000011247 coating layer Substances 0.000 description 5
- 239000010408 film Substances 0.000 description 5
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 5
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 239000000178 monomer Substances 0.000 description 5
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 5
- AICOOMRHRUFYCM-ZRRPKQBOSA-N oxazine, 1 Chemical compound C([C@@H]1[C@H](C(C[C@]2(C)[C@@H]([C@H](C)N(C)C)[C@H](O)C[C@]21C)=O)CC1=CC2)C[C@H]1[C@@]1(C)[C@H]2N=C(C(C)C)OC1 AICOOMRHRUFYCM-ZRRPKQBOSA-N 0.000 description 5
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 5
- ZGNCKIDXVHSMJL-UHFFFAOYSA-N 2-methylquinoline-8-carboxylic acid Chemical compound C1=CC=C(C(O)=O)C2=NC(C)=CC=C21 ZGNCKIDXVHSMJL-UHFFFAOYSA-N 0.000 description 4
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 239000010405 anode material Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 238000004132 cross linking Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical group C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 4
- 238000004128 high performance liquid chromatography Methods 0.000 description 4
- 238000007654 immersion Methods 0.000 description 4
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 125000001624 naphthyl group Chemical group 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- UWRZIZXBOLBCON-VOTSOKGWSA-N (e)-2-phenylethenamine Chemical class N\C=C\C1=CC=CC=C1 UWRZIZXBOLBCON-VOTSOKGWSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 3
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-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
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical group C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 125000001769 aryl amino group Chemical group 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 229940126214 compound 3 Drugs 0.000 description 3
- 229920001940 conductive polymer Polymers 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- 239000002019 doping agent Substances 0.000 description 3
- 125000001153 fluoro group Chemical group F* 0.000 description 3
- 229910052733 gallium Inorganic materials 0.000 description 3
- 239000011521 glass 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
- 239000007788 liquid Substances 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 125000002950 monocyclic group Chemical group 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 229920000553 poly(phenylenevinylene) Polymers 0.000 description 3
- 229920000767 polyaniline Polymers 0.000 description 3
- 125000003367 polycyclic group Chemical group 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 description 3
- 239000008096 xylene Substances 0.000 description 3
- UBOXGVDOUJQMTN-UHFFFAOYSA-N 1,1,2-trichloroethane Chemical compound ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 2
- FYGHSUNMUKGBRK-UHFFFAOYSA-N 1,2,3-trimethylbenzene Chemical compound CC1=CC=CC(C)=C1C FYGHSUNMUKGBRK-UHFFFAOYSA-N 0.000 description 2
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 2
- FPNVMCMDWZNTEU-UHFFFAOYSA-N 1-bromo-4-chloro-2-fluorobenzene Chemical compound FC1=CC(Cl)=CC=C1Br FPNVMCMDWZNTEU-UHFFFAOYSA-N 0.000 description 2
- OSQXTXTYKAEHQV-WXUKJITCSA-N 4-methyl-n-[4-[(e)-2-[4-[4-[(e)-2-[4-(4-methyl-n-(4-methylphenyl)anilino)phenyl]ethenyl]phenyl]phenyl]ethenyl]phenyl]-n-(4-methylphenyl)aniline Chemical compound C1=CC(C)=CC=C1N(C=1C=CC(\C=C\C=2C=CC(=CC=2)C=2C=CC(\C=C\C=3C=CC(=CC=3)N(C=3C=CC(C)=CC=3)C=3C=CC(C)=CC=3)=CC=2)=CC=1)C1=CC=C(C)C=C1 OSQXTXTYKAEHQV-WXUKJITCSA-N 0.000 description 2
- UHBIKXOBLZWFKM-UHFFFAOYSA-N 8-hydroxy-2-quinolinecarboxylic acid Chemical compound C1=CC=C(O)C2=NC(C(=O)O)=CC=C21 UHBIKXOBLZWFKM-UHFFFAOYSA-N 0.000 description 2
- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-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
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 239000007983 Tris buffer Substances 0.000 description 2
- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical group C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 description 2
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 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
- 150000001454 anthracenes Chemical class 0.000 description 2
- 125000003609 aryl vinyl group Chemical group 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 2
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 2
- 125000001164 benzothiazolyl group Chemical group S1C(=NC2=C1C=CC=C2)* 0.000 description 2
- 235000010290 biphenyl Nutrition 0.000 description 2
- 239000004305 biphenyl Chemical group 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 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
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 150000002219 fluoranthenes Chemical class 0.000 description 2
- 150000002220 fluorenes Chemical class 0.000 description 2
- 125000005842 heteroatom Chemical group 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 238000007641 inkjet printing Methods 0.000 description 2
- HJOVHMDZYOCNQW-UHFFFAOYSA-N isophorone Chemical compound CC1=CC(=O)CC(C)(C)C1 HJOVHMDZYOCNQW-UHFFFAOYSA-N 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 2
- BKIMMITUMNQMOS-UHFFFAOYSA-N nonane Chemical compound CCCCCCCCC BKIMMITUMNQMOS-UHFFFAOYSA-N 0.000 description 2
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 2
- 125000001715 oxadiazolyl group Chemical group 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 2
- 150000005041 phenanthrolines Chemical class 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 229920005596 polymer binder Polymers 0.000 description 2
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- 229920000123 polythiophene Polymers 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
- 238000004451 qualitative analysis Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 description 2
- 238000004528 spin coating Methods 0.000 description 2
- 125000003107 substituted aryl group Chemical group 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 125000000335 thiazolyl group Chemical group 0.000 description 2
- 238000007738 vacuum evaporation Methods 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
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- 239000011787 zinc oxide Substances 0.000 description 2
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- 229940015975 1,2-hexanediol Drugs 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 compound C1=CC=C2OC=NC2=C1 BCMCBBGGLRIHSE-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- MINPAAWFEYDCAO-UHFFFAOYSA-N 1,9-dinaphthalen-2-ylanthracene Chemical compound C1=CC=CC2=CC(C=3C4=CC=CC=C4C=C4C=CC=C(C=34)C3=CC4=CC=CC=C4C=C3)=CC=C21 MINPAAWFEYDCAO-UHFFFAOYSA-N 0.000 description 1
- FCEHBMOGCRZNNI-UHFFFAOYSA-N 1-benzothiophene Chemical group C1=CC=C2SC=CC2=C1 FCEHBMOGCRZNNI-UHFFFAOYSA-N 0.000 description 1
- KTADSLDAUJLZGL-UHFFFAOYSA-N 1-bromo-2-phenylbenzene Chemical group BrC1=CC=CC=C1C1=CC=CC=C1 KTADSLDAUJLZGL-UHFFFAOYSA-N 0.000 description 1
- NHDODQWIKUYWMW-UHFFFAOYSA-N 1-bromo-4-chlorobenzene Chemical compound ClC1=CC=C(Br)C=C1 NHDODQWIKUYWMW-UHFFFAOYSA-N 0.000 description 1
- KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical compound C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 description 1
- 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 1
- XHLHPRDBBAGVEG-UHFFFAOYSA-N 1-tetralone Chemical compound C1=CC=C2C(=O)CCCC2=C1 XHLHPRDBBAGVEG-UHFFFAOYSA-N 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
- 125000004076 pyridyl 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
- 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
- 150000003254 radicals Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000012925 reference material Substances 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
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 125000005920 sec-butoxy group Chemical group 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
- 229910052711 selenium Inorganic materials 0.000 description 1
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- CGRKYEALWSRNJS-UHFFFAOYSA-N sodium;2-methylbutan-2-olate Chemical compound [Na+].CCC(C)(C)[O-] CGRKYEALWSRNJS-UHFFFAOYSA-N 0.000 description 1
- 238000010129 solution processing Methods 0.000 description 1
- 150000003413 spiro compounds Chemical class 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 229940042055 systemic antimycotics triazole derivative Drugs 0.000 description 1
- 125000004213 tert-butoxy group Chemical group [H]C([H])([H])C(O*)(C([H])([H])[H])C([H])([H])[H] 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
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000012719 thermal polymerization Methods 0.000 description 1
- 125000001113 thiadiazolyl group Chemical group 0.000 description 1
- 229930192474 thiophene Natural products 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
- 238000010023 transfer printing Methods 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
- 125000004306 triazinyl group Chemical group 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
- 238000004506 ultrasonic cleaning 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
- 238000005019 vapor deposition process Methods 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
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 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
- NVCBVYYESHBQKS-UHFFFAOYSA-L zinc;2-carboxyquinolin-8-olate Chemical compound [Zn+2].C1=C(C([O-])=O)N=C2C(O)=CC=CC2=C1.C1=C(C([O-])=O)N=C2C(O)=CC=CC2=C1 NVCBVYYESHBQKS-UHFFFAOYSA-L 0.000 description 1
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Description
R1~R6は、互いに同一または異なり、それぞれ独立して、水素;重水素;ハロゲン基;置換もしくは非置換のアルキル基;置換もしくは非置換のアルコキシ基;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ヘテロアリール基であり、
L1およびL2は、互いに同一または異なり、それぞれ独立して、直接結合;または置換もしくは非置換のアルキレン基であり、
Ar1およびAr2は、互いに同一または異なり、それぞれ独立して、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ヘテロアリール基であり、
X1およびX2は、互いに同一または異なり、それぞれ独立して、水素;またはハロゲン基であり、X1およびX2のうち少なくとも一つはハロゲン基であり、
X3およびX4は、互いに同一または異なり、それぞれ独立して、重水素;置換もしくは非置換のアルキル基;置換もしくは非置換のアルコキシ基;置換もしくは非置換のアリール基;置換もしくは非置換のヘテロアリール基;または光硬化性基または熱硬化性基であり、
m1およびm2は、それぞれ1~4の整数であり、
n1およびn6は、それぞれ独立して0~5の整数であり、
n2およびn5は、それぞれ独立して0~4の整数であり、
n3およびn4は、それぞれ独立して0~3の整数であり、
m1、m2、およびn1~n6がそれぞれ2以上である場合、それぞれの括弧内の置換基は、互いに同一または異なる。
第2電極;および
前記第1電極と前記第2電極との間に備えられる1層以上の有機物層を含み、
前記有機物層のうち1層以上は、前記コーティング組成物またはその硬化物を含み、
前記コーティング組成物の硬化物は、前記コーティング組成物が熱処理または光処理により硬化された状態である、有機発光素子を提供する。
前記基板上に第1電極を形成するステップ;
前記第1電極上に1層以上の有機物層を形成するステップ;および
前記有機物層上に第2電極を形成するステップを含み、
前記有機物層を形成するステップは、前記コーティング組成物を用いて1層以上の有機物層を形成するステップを含む、有機発光素子の製造方法を提供する。
R1~R6は、互いに同一または異なり、それぞれ独立して、水素;重水素;ハロゲン基;置換もしくは非置換のアルキル基;置換もしくは非置換のアルコキシ基;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ヘテロアリール基であり、
L1およびL2は、互いに同一または異なり、それぞれ独立して、直接結合;または置換もしくは非置換のアルキレン基であり、
Ar1およびAr2は、互いに同一または異なり、それぞれ独立して、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ヘテロアリール基であり、
X1およびX2は、互いに同一または異なり、それぞれ独立して、水素;またはハロゲン基であり、X1およびX2のうち少なくとも一つはハロゲン基であり、
X3およびX4は、互いに同一または異なり、それぞれ独立して、重水素;置換もしくは非置換のアルキル基;置換もしくは非置換のアルコキシ基;置換もしくは非置換のアリール基;置換もしくは非置換のヘテロアリール基;または光硬化性基または熱硬化性基であり、
m1およびm2は、それぞれ1~4の整数であり、
n1およびn6は、それぞれ独立して0~5の整数であり、
n2およびn5は、それぞれ独立して0~4の整数であり、
n3およびn4は、それぞれ独立して0~3の整数であり、
m1、m2、およびn1~n6がそれぞれ2以上である場合、それぞれの括弧内の置換基は、互いに同一または異なる。
Wは、O、S、NRa、CRbRc、またはSiRdReであり、
R31~R41、Ra、Rb、Rc、Rd、およびReは、互いに同一または異なり、それぞれ独立して、水素;重水素;ハロゲン基;置換もしくは非置換のアルキル基;または置換もしくは非置換のアリール基であり、
p1は、0~7の整数であり、
p2、p4、およびp5は、それぞれ0~4の整数であり、
p3およびp6は、それぞれ0~5の整数であり、
p1~p6がそれぞれ2以上である場合、括弧内の置換基は、互いに同一または異なり、
第2電極;および
前記第1電極と前記第2電極との間に備えられる1層以上の有機物層を含み、
前記有機物層のうち1層以上は、前記コーティング組成物またはその硬化物を含み、
前記コーティング組成物の硬化物は、前記コーティング組成物が熱処理または光処理により硬化された状態である、有機発光素子を提供する。
本明細書の一実施態様において、前記コーティング組成物またはその硬化物を含む有機物層は、正孔注入層である。
本発明の一実施態様による有機発光素子の構造は図1に例示されている。
前記基板上に第1電極を形成するステップ;
前記第1電極上に1層以上の有機物層を形成するステップ;および
前記有機物層上に第2電極を形成するステップを含み、
前記有機物層を形成するステップは、前記コーティング組成物を用いて1層以上の有機物層を形成するステップを含む。
丸底フラスコに、1-ブロモ-4-クロロ-2-フルオロベンゼン12.24g(1.3eq)、2-(4-クロロ-2-フルオロフェニル)-4,4,5,5-テトラメチル-1,3,2-ジオキサボロラン10g(1.0eq)、PdCl2(AMPHOS)0.13g(0.005eq)、およびNa2CO3 8.26g(2.0eq)を入れ、トルエン(Toluene)150mLとD2O 150mLに溶かした。温度を45℃まで昇温させた後、Aliquit336 1.57g(0.10eq)を注入した。12時間の撹拌後、蒸留水を介して反応を終了し、有機層を抽出した後、ジクロロメタン(DCM)およびメタノールを介して純度100%の中間体A-1を7.7g得た。
図2は、中間体A-1のNMR測定結果を示す図である。
丸底フラスコに、中間体A-1 7.7g(1.0eq)、アニリン6.9g(2.2eq)、ビス(トリ-tert-ブチルホスフィン)パラジウム(0)(Pd2(t-Bu)P)0.75g(0.05eq)、およびナトリウム-t-ブトキシド(Na-t-butoxide)7.14g(2.5eq)を入れ、キシレン(Xylene)200mLに溶かした。温度を130℃まで昇温させた後に12時間撹拌した。蒸留水を介して反応を終了し、有機層を抽出した後、ジクロロメタン(DCM)およびヘキサンを介して純度96%の中間体B-1を8.0g得た。
丸底フラスコに、中間体B-1 2g(1.0eq)および2-ブロモ-9-(2,5-ジメチルフェニル)-9-(4-ビニルフェニル)-9H-フルオレン5.36g(2.2eq)を入れ、トルエン40mLに溶かした後、2.5Mナトリウム-t-ペントキシド(Na-t-pentoxide)6.48mL(2.5eq)を徐々に注入した後、Pd2(t-Bu)P 0.08g(0.02eq)を投入し、60℃で6時間撹拌した。蒸留水を介して反応を終了し、有機層を抽出した後、THFおよびエタノールを介して純度99.7%の化合物1を1g得た。
図3は、化合物1のHPLC測定結果である。
前記製造例1の(1)において、1-ブロモ-4-クロロ-2-フルオロベンゼンの代わりに1-ブロモ-4-クロロベンゼンを用いたことを除いては、製造例1の(1)と同様の方法で純度100%の中間体A-2を8.0g得た。
前記製造例1の(2)において、中間体A-1の代わりに中間体A-2を用いたことを除いては、製造例1の(2)と同様の方法で純度100%の中間体B-2を8.0g得た。
前記製造例1の(3)において、中間体B-1の代わりに中間体B-2を用いたことを除いては、製造例1の(3)と同様の方法で純度99.7%の化合物2を1.0g得た。
前記製造例1の(2)において、アニリンの代わりにブロモ-ビフェニルを用いたことを除いては、製造例1の(2)と同様の方法で純度100%の中間体B-3を8.0g得た。
(2)化合物3の合成
前記製造例1の(3)において、中間体B-1の代わりに中間体B-3を用いたことを除いては、製造例1の(3)と同様の方法で純度99.6%の化合物3を1.0g得た。
前記合成例1で製造された化合物1および下記化学式9-2のp-ドーピング物質をトルエンに2wt%(化合物1:化学式9-2=8:2(重量比))濃度で溶かし、コーティング組成物1を製造した。また、下記比較化合物1および下記化学式9-2のp-ドーピング物質をトルエンに2wt%(比較化合物1:化学式9-2=8:2(重量比))濃度で溶かし、コーティング組成物2を製造した。
前記合成例1で合成された化合物1および下記比較化合物2をそれぞれトルエンに2wt%濃度で溶かしたコーティング組成物を製造した。前記コーティング組成物をITO基板上にスピンコーティングして薄膜に形成した。約30nmの厚さに形成された薄膜フィルムをAC3装置を介してエネルギーレベルを測定し、その結果を下記表1に示す。
実施例1.
ITO(indium tin oxide)が1,500Åの厚さに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、超音波で洗浄した。この際、洗剤としては、フィッシャー社製(Fischer Co.)の製品を用い、蒸留水としては、ミリポア社製(Millipore Co.)のフィルタ(Filter)で2次濾過した蒸留水を用いた。ITOを30分間洗浄した後、蒸留水で2回繰り返して超音波洗浄を10分間行った。
ITO透明電極上に、前記化合物1および前記化学式9-2のp-ドーピング物質をトルエンに1.5wt%濃度で溶かした(化合物1:化学式9-2=8:2(重量比))コーティング組成物をスピンコーティングし、220℃で30分間熱処理(硬化)し、30nmの厚さに正孔注入層形成した。上記で形成された正孔注入層上に、α-NPD(N,N-ジ(1-ナフチル)-N,N-ジフェニル-(1,1’-ビフェニル)-4,4’-ジアミン)を2wt%含むトルエン(toluene)溶液をスピンコーティングし、正孔輸送層を40nmの厚さに形成した。その後、真空蒸着機に移送した後、前記正孔輸送層上に、9,1-ジ-2-ナフタレニル-アントラセン(ADN)とDPAVBiの重量比(ADN:DPAVBi)を20:1にして20nmの厚さに真空蒸着し、発光層を形成した。前記発光層上に、BCPを35nmの厚さに真空蒸着し、電子注入および輸送層を形成した。前記電子注入および輸送層上に、1nmの厚さにLiFおよび100nmの厚さにアルミニウムを順次蒸着し、カソードを形成した。
前記実施例1において、化合物1の代わりに化合物2を用いたことを除いては、前記実施例1と同様の方法で有機発光素子を製造した。
前記実施例1において、化合物1の代わりに化合物3を用いたことを除いては、前記実施例1と同様の方法で有機発光素子を製造した。
前記実施例1において、化合物1の代わりに硬化基を含まない下記比較化合物1を用いて正孔注入層を形成し、形成された正孔注入層上にNPDを2wt%含むトルエン(toluene)溶液をスピンコーティングして正孔輸送層を形成しようとしたが、比較化合物1がNPDが含まれたトルエン溶液に溶解され、素子の作製が不可能であった。
201 ・・・アノード
301 ・・・正孔注入層
401 ・・・正孔輸送層
501 ・・・発光層
601 ・・・電子注入および輸送層
701 ・・・カソード
Claims (13)
- 下記化学式1で表されるフルオレン系化合物:
R1~R6は、互いに同一または異なり、それぞれ独立して、水素;重水素;ハロゲン基;置換もしくは非置換のアルキル基;置換もしくは非置換のアルコキシ基;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ヘテロアリール基であり、
L1およびL2は、互いに同一または異なり、それぞれ独立して、直接結合;または置換もしくは非置換のアルキレン基であり、
Ar1およびAr2は、互いに同一または異なり、それぞれ独立して、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ヘテロアリール基であり、
X1およびX2は、互いに同一または異なり、それぞれ独立して、水素;またはハロゲン基であり、X1およびX2のうち少なくとも一つはハロゲン基であり、
X3およびX4は、互いに同一または異なり、それぞれ独立して、光硬化性基または熱硬化性基であり、
前記光硬化性基または熱硬化性基は、下記構造:
m1およびm2は、それぞれ1~4の整数であり、
n1およびn6は、それぞれ独立して0~5の整数であり、
n2およびn5は、それぞれ独立して0~4の整数であり、
n3およびn4は、それぞれ独立して0~3の整数であり、
m1、m2、およびn1~n6がそれぞれ2以上である場合、それぞれの括弧内の置換基は、互いに同一または異なる。 - 前記R1~R6は、互いに同一または異なり、それぞれ独立して、水素;または炭素数1~30の置換もしくは非置換のアルキル基である、請求項1に記載のフルオレン系化合物。
- 前記Ar1およびAr2は、互いに同一または異なり、それぞれ独立して、置換もしくは非置換の炭素数6~30のアリール基である、請求項1又は2に記載のフルオレン系化合物。
- 前記化学式1は、下記化学式1-1で表される、請求項1に記載のフルオレン系化合物:
X1~X4、L1、L2、R1~R6、Ar1、Ar2、およびn1~n6は、化学式1で定義したとおりである。 - 前記化学式1は、下記構造のいずれか一つである、請求項1に記載のフルオレン系化合物:
- 請求項1~5のいずれか1項に記載のフルオレン系化合物を含む、コーティング組成物。
- 前記コーティング組成物は、pドーピング物質をさらに含む、請求項6に記載のコーティング組成物。
- 前記pドーピング物質は、F4TCNQ;またはホウ素アニオンを含む化合物である、請求項7に記載のコーティング組成物。
- 前記コーティング組成物は、熱硬化性基または光硬化性基を含む単分子;または熱によるポリマーの形成が可能な末端基を含む単分子をさらに含む、請求項6に記載のコーティング組成物。
- 第1電極;
第2電極;および
前記第1電極と前記第2電極との間に備えられる1層以上の有機物層を含み、
前記有機物層のうち1層以上は、請求項6に記載のコーティング組成物またはその硬化物を含み、
前記コーティング組成物の硬化物は、前記コーティング組成物が熱処理または光処理により硬化された状態である、有機発光素子。 - 前記コーティング組成物またはその硬化物を含む有機物層は、正孔輸送層、正孔注入層、または正孔輸送と正孔注入を同時にする層である、請求項10に記載の有機発光素子。
- 基板を準備するステップ;
前記基板上に第1電極を形成するステップ;
前記第1電極上に1層以上の有機物層を形成するステップ;および
前記有機物層上に第2電極を形成するステップを含み、
前記有機物層を形成するステップは、請求項6に記載のコーティング組成物を用いて1層以上の有機物層を形成するステップを含む、有機発光素子の製造方法。 - 前記コーティング組成物を用いて有機物層を形成するステップは、
前記第1電極上に前記コーティング組成物をコーティングするステップ;および
前記コーティングされたコーティング組成物を熱処理または光処理するステップを含む、請求項12に記載の有機発光素子の製造方法。
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