WO2019022051A1 - Composition de pigment pour filtre coloré et filtre coloré - Google Patents
Composition de pigment pour filtre coloré et filtre coloré Download PDFInfo
- Publication number
- WO2019022051A1 WO2019022051A1 PCT/JP2018/027628 JP2018027628W WO2019022051A1 WO 2019022051 A1 WO2019022051 A1 WO 2019022051A1 JP 2018027628 W JP2018027628 W JP 2018027628W WO 2019022051 A1 WO2019022051 A1 WO 2019022051A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pigment
- color filter
- composition
- parts
- meth
- Prior art date
Links
- 239000000049 pigment Substances 0.000 title claims abstract description 209
- 239000000203 mixture Substances 0.000 title claims abstract description 133
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound 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 claims abstract description 38
- 150000004699 copper complex Chemical class 0.000 claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 239000000758 substrate Substances 0.000 description 56
- 229920005989 resin Polymers 0.000 description 55
- 239000011347 resin Substances 0.000 description 54
- 238000011156 evaluation Methods 0.000 description 53
- 238000000034 method Methods 0.000 description 47
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 42
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 30
- 239000006185 dispersion Substances 0.000 description 29
- 238000010304 firing Methods 0.000 description 24
- 239000002253 acid Substances 0.000 description 23
- 239000012860 organic pigment Substances 0.000 description 22
- 229920000642 polymer Polymers 0.000 description 20
- 239000002904 solvent Substances 0.000 description 20
- 150000001875 compounds Chemical class 0.000 description 19
- 239000011521 glass Substances 0.000 description 19
- 239000001056 green pigment Substances 0.000 description 19
- 239000000178 monomer Substances 0.000 description 19
- 239000003960 organic solvent Substances 0.000 description 19
- 239000002245 particle Substances 0.000 description 18
- 239000002585 base Substances 0.000 description 15
- 229910017053 inorganic salt Inorganic materials 0.000 description 15
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 14
- 238000003801 milling Methods 0.000 description 14
- 235000002639 sodium chloride Nutrition 0.000 description 14
- 150000003839 salts Chemical class 0.000 description 13
- 125000000524 functional group Chemical group 0.000 description 11
- -1 hydrocarbon cyclic compounds Chemical class 0.000 description 11
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- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 10
- 239000010949 copper Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 10
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- 238000000576 coating method Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 125000000217 alkyl group Chemical group 0.000 description 8
- 150000004696 coordination complex Chemical class 0.000 description 8
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- BBKXDHBLPBKCFR-FDGPNNRMSA-L beryllium;(z)-4-oxopent-2-en-2-olate Chemical compound [Be+2].C\C([O-])=C\C(C)=O.C\C([O-])=C\C(C)=O BBKXDHBLPBKCFR-FDGPNNRMSA-L 0.000 description 7
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- 229910052760 oxygen Inorganic materials 0.000 description 6
- XQAGYOLLDSHDDY-UHFFFAOYSA-N pentane-2,4-dione;vanadium Chemical compound [V].CC(=O)CC(C)=O.CC(=O)CC(C)=O.CC(=O)CC(C)=O XQAGYOLLDSHDDY-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- VLKZOEOYAKHREP-UHFFFAOYSA-N methyl pentane Natural products CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
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- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
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- 125000003277 amino group Chemical group 0.000 description 4
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- 229910052801 chlorine Inorganic materials 0.000 description 4
- 125000001309 chloro group Chemical group Cl* 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 239000002270 dispersing agent Substances 0.000 description 4
- 125000005843 halogen group Chemical group 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- DCAYPVUWAIABOU-UHFFFAOYSA-N hexadecane Chemical compound CCCCCCCCCCCCCCCC DCAYPVUWAIABOU-UHFFFAOYSA-N 0.000 description 4
- 238000004898 kneading Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 4
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- SEILKFZTLVMHRR-UHFFFAOYSA-N 2-phosphonooxyethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOP(O)(O)=O SEILKFZTLVMHRR-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-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
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000007983 Tris buffer Substances 0.000 description 3
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 3
- HUVXQFBFIFIDDU-UHFFFAOYSA-N aluminum phthalocyanine Chemical compound [Al+3].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 HUVXQFBFIFIDDU-UHFFFAOYSA-N 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- XXJWXESWEXIICW-UHFFFAOYSA-N diethylene glycol monoethyl ether Chemical compound CCOCCOCCO XXJWXESWEXIICW-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000976 ink Substances 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
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- 239000004645 polyester resin Substances 0.000 description 3
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- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 3
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- 125000000542 sulfonic acid group Chemical group 0.000 description 3
- 229910052720 vanadium Inorganic materials 0.000 description 3
- INQDDHNZXOAFFD-UHFFFAOYSA-N 2-[2-(2-prop-2-enoyloxyethoxy)ethoxy]ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOCCOC(=O)C=C INQDDHNZXOAFFD-UHFFFAOYSA-N 0.000 description 2
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- KUDUQBURMYMBIJ-UHFFFAOYSA-N 2-prop-2-enoyloxyethyl prop-2-enoate Chemical compound C=CC(=O)OCCOC(=O)C=C KUDUQBURMYMBIJ-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 2
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- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical group OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
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- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 239000001055 blue pigment Substances 0.000 description 2
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- 238000012937 correction Methods 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
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- 125000003438 dodecyl 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])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 238000004070 electrodeposition Methods 0.000 description 2
- FJKIXWOMBXYWOQ-UHFFFAOYSA-N ethenoxyethane Chemical compound CCOC=C FJKIXWOMBXYWOQ-UHFFFAOYSA-N 0.000 description 2
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
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- 239000010931 gold Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
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- 229910052731 fluorine Inorganic materials 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- XLYMOEINVGRTEX-UHFFFAOYSA-N fumaric acid monoethyl ester Natural products CCOC(=O)C=CC(O)=O XLYMOEINVGRTEX-UHFFFAOYSA-N 0.000 description 1
- JBFHTYHTHYHCDJ-UHFFFAOYSA-N gamma-caprolactone Chemical compound CCC1CCC(=O)O1 JBFHTYHTHYHCDJ-UHFFFAOYSA-N 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- RBTKNAXYKSUFRK-UHFFFAOYSA-N heliogen blue Chemical compound [Cu].[N-]1C2=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=NC([N-]1)=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=N2 RBTKNAXYKSUFRK-UHFFFAOYSA-N 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-M hexanoate Chemical compound CCCCCC([O-])=O FUZZWVXGSFPDMH-UHFFFAOYSA-M 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 150000003949 imides Chemical group 0.000 description 1
- 125000001841 imino group Chemical group [H]N=* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- AQBLLJNPHDIAPN-MUCWUPSWSA-K iron(3+);(e)-4-oxopent-2-en-2-olate Chemical compound [Fe+3].C\C([O-])=C/C(C)=O.C\C([O-])=C/C(C)=O.C\C([O-])=C/C(C)=O AQBLLJNPHDIAPN-MUCWUPSWSA-K 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- LDHQCZJRKDOVOX-IHWYPQMZSA-N isocrotonic acid Chemical compound C\C=C/C(O)=O LDHQCZJRKDOVOX-IHWYPQMZSA-N 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000005453 ketone based solvent Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- HNEGQIOMVPPMNR-NSCUHMNNSA-N mesaconic acid Chemical compound OC(=O)C(/C)=C/C(O)=O HNEGQIOMVPPMNR-NSCUHMNNSA-N 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 1
- YDKNBNOOCSNPNS-UHFFFAOYSA-N methyl 1,3-benzoxazole-2-carboxylate Chemical compound C1=CC=C2OC(C(=O)OC)=NC2=C1 YDKNBNOOCSNPNS-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- BMGNSKKZFQMGDH-SYWGCQIGSA-L nickel(2+);(e)-4-oxopent-2-en-2-olate Chemical compound [Ni+2].C\C([O-])=C/C(C)=O.C\C([O-])=C/C(C)=O BMGNSKKZFQMGDH-SYWGCQIGSA-L 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical group 0.000 description 1
- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical compound O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 description 1
- UCUUFSAXZMGPGH-UHFFFAOYSA-N penta-1,4-dien-3-one Chemical class C=CC(=O)C=C UCUUFSAXZMGPGH-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 229940067265 pigment yellow 138 Drugs 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920005575 poly(amic acid) Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 238000003918 potentiometric titration Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000001054 red pigment Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 229960001860 salicylate Drugs 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000009291 secondary effect Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 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
- 238000010998 test method Methods 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0033—Blends of pigments; Mixtured crystals; Solid solutions
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D17/00—Pigment pastes, e.g. for mixing in paints
- C09D17/003—Pigment pastes, e.g. for mixing in paints containing an organic pigment
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
- G02B5/223—Absorbing filters containing organic substances, e.g. dyes, inks or pigments
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2202/00—Materials and properties
- G02F2202/04—Materials and properties dye
Definitions
- the present invention relates to a pigment composition used to form a pixel portion of a color filter for display, and a color filter containing the pigment composition.
- the color filter of the liquid crystal display device has a red pixel part (R), a green pixel part (G) and a blue pixel part (B).
- Each of these pixel parts has a structure in which a thin film of a synthetic resin in which an organic pigment is dispersed is provided on a substrate, and as the organic pigment, organic pigments of respective colors of red, green and blue are used.
- Organic pigments used for color filter production have characteristics completely different from conventional general-purpose applications, specifically, to make the display screen of a liquid crystal display device clearer (higher contrast), or, similarly, the display screen is more There is a demand that the characteristics of the colored layer of the color filter do not adversely affect the liquid crystal alignment failure or the switching performance of the liquid crystal (reliability), etc., to be bright (high brightness).
- Patent Document 1 a method is disclosed in which a quinophthalone pigment and an azomethine pigment as a yellow pigment are contained at a constant ratio to a halogenated zinc phthalocyanine which is a green pigment.
- Patent Document 2 a method is also described in which a quinophthalone pigment and an azomethine pigment as a yellow pigment are contained at a constant ratio to an aluminum phthalocyanine pigment.
- Patent Documents 1 and 2 contrast and Heat resistance is not enough, and it can not be said that it has reached the demand specs of the market which has been increasing in recent years. There is also the issue of reliability.
- the problem to be solved by the present invention is a pigment composition which is excellent in heat resistance and can obtain excellent contrast and reliability when used in color filter production, and has the pigment composition in a pixel portion It is to provide a color filter.
- the present invention is a pigment composition for color filters containing a phthalocyanine based pigment and an azomethine copper complex based pigment, wherein the mass ratio of the phthalocyanine based pigment to the azomethine copper complex based pigment is 99.9 /
- the present invention relates to a pigment composition for a color filter, which is characterized by 0.1 to 96.5 / 3.5.
- the present invention also relates to a color filter characterized by containing the composition.
- the pigment composition for color filter of the present invention is remarkable that it can provide a highly reliable color filter having high contrast, little change in chromaticity x of post bake (230 ° C., 1 hour) and excellent heat resistance. Play an effect.
- phthalocyanine pigment used in the present invention, any known phthalocyanine pigment can be used.
- the term "phthalocyanine pigment” as used herein includes those having and not having a central metal. In the case of having a central metal, mainly copper, zinc, aluminum and the like can be mentioned.
- C.I. I. Pigment green 7, 36, 58, 59, 62, 63 and the like may be used.
- C.I. I. Pigment Blue 15, 15: 1, 15: 2, 15: 3, 15: 4, 15: 6, blue or green pigments such as aluminum phthalocyanine derivatives can be used.
- examples of the above-mentioned aluminum phthalocyanine derivative include unsubstituted phthalocyanine aluminum (C.I. Pigment Blue 79), chlorinated phthalocyanine aluminum, and brominated phthalocyanine aluminum, and they are represented by, for example, the following general formula (3-1) Compounds and the like.
- R is a halogen atom, a hydroxy group, or a group represented by the following general formula (3-2). Also, X in formula (3-1) represents a halogen atom, m represents an integer of 0 to 16.
- X is a direct bond or an oxygen atom.
- Ar is a phenyl group or a naphthyl group. In the formula, an asterisk indicates a binding site.
- halogen atom for R in the above-mentioned formula (3-1) examples include a fluorine atom, a chlorine atom, a bromine atom, an iodine atom and the like.
- the halogen atom in R is preferably a chlorine atom or a bromine atom.
- R is preferably a chlorine atom, a bromine atom, a hydroxy group or a group represented by the above general formula (3-2).
- X is preferably an oxygen atom.
- hydroxyaluminum phthalocyanine preferred are, for example, hydroxyaluminum phthalocyanine, chloroaluminum phthalocyanine (CI pigment blue 79), bromoaluminum phthalocyanine, and compounds represented by the following formula (3-1-1)
- a compound represented by the following formula (3-1-2) a compound represented by the following formula (3-1-3), a compound represented by the following formula (3-1-4), and the like.
- phthalocyanine pigments may be used alone or in combination of two or more.
- the phthalocyanine pigment used in the present invention may be composed of particles not coated with a pigment derivative and / or a polymer, but a pigment dispersion such as a paste for a color filter to be described later or a light curing such as a resist It is preferable that the pigment derivative and / or the polymer is coated in order to ensure a better affinity to the sex composition.
- the polymer nonvolatile content is preferably 0.5 to 10 parts by mass with respect to 100 parts of the organic pigment.
- any of known and commonly used polymers can be used, but an acrylic copolymer having a monomer A which strongly interacts with the phthalocyanine pigment and which is adsorbed on the pigment surface is preferable, a single amount
- hydrocarbon cyclic compounds such as benzyl (meth) acrylate, 1-naphthyl (meth) acrylate, 2-naphthyl (meth) acrylate, cyclopentyl (meth) acrylate and cyclohexyl (meth) acrylate Preferred are (meth) acrylic acid ester monomers.
- an acrylic copolymer having the monomer B that exerts a dispersion stabilizing effect after adsorption on the pigment surface is more preferable, and as the monomer B, (meth) acrylic acid alone is preferable.
- (meth) acrylic acid alone is preferable.
- monomers, and (meth) acrylic acid ester monomers such as glycidyl (meth) acrylate and acid phosphooxyethyl methacrylate.
- the acrylic copolymer may have a plurality of different monomers A, and further, an acrylic copolymer in which a plurality of different monomers A are copolymerized with a single monomer or a plurality of monomers B. It may be a polymer.
- a polymer may be used in combination with other copolymerizable monomers.
- “(meth) acrylate” refers to one or both of methacrylate and acrylate
- “(meth) acrylic acid” refers to one or both of methacrylic acid and acrylic acid.
- (Meth) acrylic acid ester is a compound containing an ester bond formed from (meth) acrylic acid and various other alcohols, and a carbon atom chain at the end of the ester bond COO derived from the above alcohol Say what contains. Typically, those in which the carbon chain is an alkyl group are referred to as (meth) acrylic acid alkyl esters.
- the side chain means an alkyl group.
- (meth) acrylic acid alkyl esters but also compounds in which the above carbon chain is other than an alkyl group are well known, so in the present invention, not only (meth) acrylic acid alkyl esters but also carbon chains , And compounds other than alkyl groups are referred to as (meth) acrylic acid esters.
- (meth) acrylic acid ester for example, methyl (meth) acrylate, ethyl (meth) acrylate, n-propyl (meth) acrylate, isopropyl (meth) acrylate, which is a (meth) acrylic acid alkyl ester n-Butyl (meth) acrylate, isobutyl (meth) acrylate, tertiary butyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, n-octyl (meth) acrylate, dodecyl (meth) acrylate [lauryl (meth) acrylate] (Meth) acrylic acid alkyl esters having an alkyl group such as octadecyl (meth) acrylate (stearyl (meth) acrylate); cyclohexyl (meth) acrylate, isobornyl (meth) acrylate,
- comonomers include, for example, vinyl esters such as vinyl acetate, vinyl propionate and vinyl tertiary carboxylate; heterocyclic vinyl compounds such as vinyl pyrrolidone; vinyl chloride, vinylidene chloride, vinylidene fluoride and the like Cyano group-containing monomers such as halogenated olefins, acrylonitrile and methacrylonitrile; vinyl ethers such as ethyl vinyl ether and isobutyl vinyl ether; vinyl ketones such as methyl vinyl ketone; ⁇ -olefins such as ethylene and propylene; butadiene and isoprene And dienes; styrene-based monomers such as styrene, vinyl toluene, ⁇ -methylstyrene, dimethylstyrene, and tert-butylstyrene.
- vinyl esters such as vinyl acetate, vinyl propionate and vinyl tertiary carb
- copolymerizable unsaturated carboxylic acid for example, crotonic acid, isocrotonic acid, 2- (meth) acroyloxyethyl succinic acid, 2- (meth) acroyloxy hexahydrophthalic acid, 2- ( Meta) acroyloxy ethyl glutarate; dicarboxylic acids such as maleic acid, fumaric acid and itaconic acid and anhydrides thereof; monomethylmaleic acid, monoethylmaleic acid, monobutylmaleic acid, monooctylmaleic acid, monomethylfumaric acid, mono Monoalkyl esters of dicarboxylic acids such as ethyl fumaric acid, monobutyl fumaric acid, monooctyl fumaric acid, monomethyl itaconic acid, monoethyl itaconic acid, monobutyl itaconic acid, monooctyl itaconic acid and the like can be mentioned
- the phthalocyanine-based pigment and the azomethine copper complex-based pigment constituting the pigment composition of the present invention may be primary particles or secondary aggregates, but since they are used for preparation of color filter pixel portions, primary particle diameter is more than general purpose It is preferable that it is fine. From such a viewpoint, in the phthalocyanine pigment of the present invention and the azomethine copper complex pigment, the average particle diameter of primary particles is preferably 10 nm to 80 nm, and more preferably 10 nm to 40 nm. It is not preferable that the average particle diameter of the primary particles is 100 nm or more, because the luminance of the pixel portion is lowered. The average particle size of the primary particles is measured as follows.
- azomethine copper complex pigment used in the present invention, for example, C.I. I. Pigment yellow 117, C.I. I. Pigment yellow 129 and the like.
- the composition for a color filter of the present invention is more preferably 99, when the mass ratio of the phthalocyanine based pigment to the azomethine copper complex based pigment is 99.9 / 0.1 to 96.5 / 3.5. In the case of 7 / 0.3 to 97.0 / 3.0, it is possible to obtain a highly reliable color filter which is excellent in heat resistance and has high contrast when used in color filter production.
- the usage of the azomethine copper complex based pigment is different from the phthalocyanine based pigment and the azomethine copper complex.
- the weight ratio to the base pigment is at least about 96.3 / 3.7 to 60/40, and the constitution of the present invention is unexpectedly azomethine copper complex system for improving color filter characteristics also from the viewpoint of toning.
- Patent Documents 1 and 2 which have been suggested that it is necessary to contain a certain amount or more of the pigment, were studied from the opposite viewpoint.
- the organic pigment used in the color filter is as fine as 10 nm to 80 nm in average particle diameter of primary particles, and easily crystal-grows at a high temperature of 230 ° C. or higher.
- the mass ratio of the phthalocyanine based pigment to the azomethine copper complex based pigment is 99.7 / 0.3 to 96.5 / 3.5, at a high temperature of 230 ° C.
- a small amount of azomethine copper complex based pigment performs crystal growth suppression of the phthalocyanine based pigment in the baking treatment, the contrast reduction is suppressed, the change of the chromaticity x becomes small, and the color matching becomes easy and the dielectric loss tangent (tan ⁇ ) It is possible to improve the reliability of the color filter that it becomes smaller and there is no liquid crystal alignment defect and switching threshold deviation.
- a transparent resin containing an imide structure described in JP-A-2017-97181 deactivates phthalocyanine radicals generated by light irradiation to phthalocyanines in the ground state, thereby suppressing color change. It also occurs with system pigments and can also suppress color change due to light irradiation.
- a metal complex can also be added to the pigment composition for color filters of the present invention.
- metal complexes the following metal complexes (complexes B1 to B6) can be used, or their hydrates can also be used.
- Such a complex B1 can be appropriately synthesized and used, and may be a zinc such as Nasem zinc manufactured by Nippon Chemical Industrial Co., Ltd., or bis (2,4-pentanedionato) beryllium (II) manufactured by Tokyo Chemical Industry Co., Ltd. A commercial item can also be used.
- Such complex B2 may be appropriately synthesized and used, or may be a commercially available product such as zinc salicylate trihydrate manufactured by Wako Pure Chemical Industries, Ltd., or BONTRON E-304 manufactured by Orient Chemical Industries, Ltd. it can.
- Such complex B3 can be appropriately synthesized and used, or a commercial product such as (toluene-3,4-dithiolato) zinc (II) manufactured by Tokyo Chemical Industry Co., Ltd. can be used.
- Such complex B4 can be appropriately synthesized and used, or a commercial product such as dichloro (1,10-phenanthroline) copper (II) manufactured by Tokyo Chemical Industry Co., Ltd. can be used.
- (M in Formula (4-5) represents any one of Zn (II), Fe (II), and Cu (II), and R represents any one of ethylene group, propylene group, and o-phenylene group.
- n represents an integer of 1 or 2
- X represents a metal complex represented by chlorine atom, bromine atom, iodine atom, OH group or ⁇ -O group.
- R is preferably an ethylene group or a propylene group, more preferably a propylene group.
- Zn (II) and Cu (II) are preferable, and Cu (II) is more preferable.
- Such complex B5 can be appropriately synthesized and used, or a commercially available product such as bis (1,3-propanediamine) copper (II) dichloride manufactured by Tokyo Chemical Industry Co., Ltd. can be used.
- R in Formula (4-6) represents a CH 3 group or a CHO group, A 1 , A 2 and A 3 each independently represent H, Na or K; M represents a metal complex represented by Mg (II), Fe (II), Cu (II), Zn (II)), Among them, M is preferably Fe (II), Cu (II) or Zn (II), and more preferably Fe (II) or Cu (II).
- a 1 to A 3 are preferably H or Na.
- Such complex B6 can be appropriately synthesized and used, or a commercially available product such as sodium iron chlorophyllin manufactured by Wako Pure Chemical Industries, Ltd. can be used.
- One of these metal complexes may be selected and used alone, and these metal complexes may be used for the phthalocyanine-based pigment, or a plurality of them may be used in combination.
- one or more of complex B1 can be selected and used, or one or more of complex B2 can be selected and used, or one of complex B5 can be used.
- two or more can be selected and used, or one or more can be selected and used from the group of complex B6.
- it can also be used together exceeding each complex group.
- one or more selected from the group of complex B1 may be used in combination with the complex B3, or one or more selected from the group of complex B1 may be selected from the group of complex B2 One or more of them may be selected and used in combination.
- the mass ratio of the phthalocyanine based pigment to the metal complex is preferably 99.999 / 0.001 to 60/40, more preferably 99.995 / 0.005.
- the mass ratio of the phthalocyanine based pigment to the metal complex is preferably 99.999 / 0.001 to 60/40, more preferably 99.995 / 0.005.
- it is ⁇ 75/25, and more preferably 99.99 / 0.01 ⁇ 85/15, when it uses for color filter preparation, it expresses high contrast and high light resistance, and more excellent color You can get a filter.
- mass ratio is 99.9 / 0.1 to 60/40, more preferably 99.5 / 0.5 to 75/25, still more preferably 99/1. In the case of ⁇ 85 / 15, a better color filter can be obtained.
- the above mass ratio is 99.999 / 0.001 to 85/15 More preferably in the range of 99.99 / 0.01 to 90/10, and more preferably in the range of 99.95 / 0.05 to 95/5. be able to.
- the phthalocyanine pigment and the metal complex may be mixed in advance with the pigment, or may be mixed at the time of dispersion or preparation of the photocurable composition.
- those metal complexes may be mixed in advance, or may be mixed sequentially to the pigment, to the dispersion, or to the preparation of the photocurable composition.
- a pigment dispersion resin can also be added to the pigment composition for color filters of the present invention.
- the pigment dispersion resin is at least one selected from the group consisting of the following resins C1 to C2, and the difference between the basic functional group valence and the acidic functional group valence as the whole of the pigment dispersion resin (that is, the base valence-acid valence Resin or resin composition having a value of ⁇ 45.8-90.8 mg KOH / g can be used.
- One of the resins C1 is a resin (C1-1) having a basic functional group.
- the basic functional group include an amino group, an imino group, a pyridyl group and a quinoline group, and an amino group is more preferable.
- the resin skeleton include acrylic resins, polyester resins, urethane resins, and graft resins containing nitrogen atoms, and acrylic resins and graft resins containing nitrogen atoms are more preferable.
- an acrylic resin it may be a block copolymer or a random copolymer, and a block copolymer is more preferable.
- the resin C1 is a resin (C1-2) having an acidic functional group.
- an acidic functional group a carboxyl group, a sulfonic acid group, phenolic hydroxyl group, and a phosphoric acid group are mentioned, A carboxyl group and a sulfonic acid group are more preferable, and a carboxylic acid group is more preferable.
- the resin skeleton include acrylic resin, polyester resin, urethane resin, and graft resin, and acrylic resin is more preferable. In the case of an acrylic resin, it may be a block copolymer or a random copolymer.
- resin C2 resin which has both a basic functional group and an acidic functional group is mentioned.
- a basic functional group and an acidic functional group the various functional groups mentioned above are mentioned, An amino group, a carboxyl group, and a sulfonic acid group are more preferable.
- acrylic resin, polyester resin, urethane resin, graft resin are mentioned, and acrylic resin and graft resin are more preferable.
- acrylic resin it may be a block copolymer or a random copolymer.
- the above amino groups may be partially or completely quaternary ammonium.
- These resins can sufficiently exhibit the effects of the present invention when selected from C1 or C2 resins and used for phthalocyanine pigments, and, of course, a plurality of C1 and C2 resins can be used. You may use together and use it.
- one or more may be selected from the group of resin C1-1 and used, or one or more may be selected and used from the group of resin C1-2, and the group of resin C2 1 or 2 or more can be selected and used.
- it can also be used together more than each resin group.
- 1 or 2 or more is selected from the group of resin C1-1, 1 or 2 or more selected from the group of resin C1-2, and 1 or 2 or more selected from the group of resin C-2 And may be used in combination.
- the balance between the base number and the acid number is important.
- the difference between the base number and the acid number with respect to the entire resin that is, the value of the base number-acid number is preferably a resin or a resin composition which is -45.8 to 90.8 mg KOH / g, -26. 3 to 90.8 mg KOH / g is more preferred, and -11.0 to 56.0 mg KOH / g is most preferred.
- the values of the base number and the acid number can be determined from the following measurements, and these values can be used to calculate the value of the base number-acid number.
- the base number-acid number value of the entire pigment dispersion resin can be calculated by weighting with the weight ratio of the individual resin values mixed, or It can also be calculated by measuring the resin in the mixed state.
- the method shown below is an example of the method of measuring the base number and the acid number in a sample, and can be measured by other known methods.
- the amount of sample to be used, the type and amount of solvent, the type and concentration of titration reagent, the type of indicator and the like can be changed appropriately.
- the pigment dispersion resin to be measured may be 100% of the active ingredient or may be dissolved as a solution.
- the end point may be determined by coloration, or potentiometric titration may be used.
- the base number of the pigment dispersion resin is a value represented by mg of potassium hydroxide equivalent to the acid required to neutralize 1 g of the sample, and can be measured by the following method. Approximately 5 g of a pigment dispersion resin is precisely weighed, dissolved in 100 mL of ethanol together with 1 mL of a bromophenol blue test solution as an indicator, titration is performed with 0.5 mol / L hydrochloric acid, and the point where the color of the solution turns green is the end point. Also, carry out a blank test in the same manner, and perform titration correction. Calculate the base number by the following formula.
- Base number 28.055 ⁇ (consumption of 0.5 mol / L hydrochloric acid / mL) / (solid content of pigment dispersion resin / g) (unit: mg KOH / g)
- the acid value of the pigment dispersion resin is a value represented by mg of potassium hydroxide required to neutralize 1 g of the sample, and can be measured by the following method. About 10 g of pigment dispersion resin is precisely weighed, dissolved in 100 mL of ethanol together with a few drops of phenolphthalein solution as an indicator, titration is performed with a 0.1 mol / L potassium hydroxide ethanol solution, and the color of the solution becomes pink. End point. Also, carry out a blank test in the same manner, and perform titration correction. The acid value is calculated by the following equation.
- Acid value 5.611 ⁇ (consumption of 0.1 mol / L potassium hydroxide ethanol solution / mL) / (pigment dispersion resin solid content / g) (unit: mg KOH / g)
- the base number and acid number of the pigment dispersion resin can also be measured by the following methods.
- the pigment dispersion itself is titrated by a method such as that described above, and the dispersion solvent and the pigment obtained from the weight of the residue after volatilizing the solvent and the weight of the pigment recovered after centrifugation
- the base number and acid number of the pigment dispersion resin and the like can also be measured by combining with the weight ratio.
- the pigment composition for color filters of the present invention is more preferably 1/0 when the mass ratio (pigment / resin) of the phthalocyanine pigment to the pigment dispersion resin is 1 / 0.1 to 1/1. When it is from 2 to 1 / 0.9, more preferably from 1 / 0.3 to 1 / 0.8, it exhibits high contrast and high light resistance when used in color filter production, Better color filters can be obtained.
- the pigment composition of the present invention can be produced, for example, by mixing an organic pigment and, if necessary, other pigment derivatives and polymers in any order so as to achieve the above-mentioned mass ratio.
- the organic pigment and the derivative may be sufficiently mixed in advance, and other pigment derivative and polymer may be added thereto. If necessary, the organic pigment and the other pigment derivative or polymer may be ground prior to mixing, while mixing, or after mixing, by any known conventional means such as ball milling or attritor, as described above. It can also be made to become a particle size ratio.
- solvent salt milling means kneading and grinding an organic pigment, an inorganic salt, and an organic solvent.
- a crude pigment can also be used as the organic pigment.
- This solvent salt milling process makes the organic pigment finer and dispersed.
- the pigment composition obtained by this treatment exhibits high brightness by being contained in a color filter.
- the above-described pigment derivative and polymer can be contained in the system at any stage of producing the pigment composition of the present invention as described above, but from the viewpoint of uniformly dispersing each component, it is an organic compound in advance It is preferable to carry out solvent salt milling after being incorporated in the pigment.
- the solvent salt milling process it is preferable to knead and mill the organic pigment containing the pigment derivative and / or the polymer, the inorganic salt, and the organic solvent which does not dissolve it.
- Typical methods for coating the organic pigment with a polymer include, for example, methods including, before, during or after the preparation of the pigment composition. Specifically, for example, a method of adding a polymer to a pigment composition of the present invention not coated with a polymer obtained in advance, depositing the polymer, a method of adding an emulsion of the polymer, a method of kneading and grinding with the polymer, etc. is there.
- the solvent salt milling treatment can be carried out by charging each of the above-described raw materials into a kneader and kneading and grinding in the kneader.
- a kneading means at this time for example, kneaders such as a kneader and mix miller can be mentioned.
- a water-soluble inorganic salt can be suitably used.
- an inorganic salt such as sodium chloride, potassium chloride or sodium sulfate.
- an inorganic salt having an average particle size of 0.3 to 70 ⁇ m can be easily obtained by pulverizing a usual inorganic salt for attrition.
- the amount of the inorganic salt used is 3 to 30 parts, in particular 7 to 30 parts, and particularly 15 to 30 parts, in terms of mass, per total of organic pigments. Is preferred.
- organic solvent examples include diethylene glycol, glycerin, ethylene glycol, propylene glycol, liquid polyethylene glycol, liquid polypropylene glycol, 2- (methoxymethoxy) ethanol, 2-butoxyethanol, 2- (isopentyloxy) ethanol, 2- ( Hexyloxy) ethanol, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monobutyl ether, triethylene glycol, triethylene glycol monomethyl ether, 1-methoxy-2-propanol, 1-ethoxy-2-propanol, dipropylene glycol, dipropylene Using glycol monomethyl ether, dipropylene glycol monomethyl ether, etc. Come.
- the amount of the organic solvent used is not particularly limited, but it is preferably 0.01 to 5 parts per mass of the total of the organic pigment in terms of mass.
- an organic pigment or a pigment derivative can be further contained, if necessary, for the purpose of adjusting to the intended hue when performing the solvent salt milling treatment.
- the inorganic salt and the organic solvent as described above are charged in the necessary amount in the first charging step, and thereafter the mixture containing the organic pigment and the pigment derivative as the essential components is the necessary primary particles as described above. May be milled to an average particle size, or only a portion of the required amount may be charged to start milling, and the remaining amount of inorganic salt and / or organic solvent may be batchwise or divided along the way. Grinding may be carried out as prepared.
- the temperature at the solvent salt milling treatment is preferably 150 ° C. or less, and more preferably 60 to 120 ° C. in particular.
- the solvent salt milling time is preferably 3 hours to 36 hours, and more preferably 5 hours to 24 hours.
- a mixture containing the pigment composition of the present invention, an inorganic salt, and an organic solvent as main components is obtained.
- the organic solvent and the inorganic salt are removed from this mixture, and the solid is washed, filtered, dried, ground, etc.
- the powder of the pigment composition of the present invention can be obtained by
- the cleaning method any of water washing and hot water washing can be adopted.
- the organic solvent and the inorganic salt can be easily removed by washing with water. It is preferable that the substance that is the source of the specific conductivity be removed as much as possible.
- the pigment composition of the present invention for preparing a color filter pixel portion is preferably washed to a specific conductivity of 50 ⁇ S / cm or less, preferably 20 ⁇ S / cm or less.
- the method of pulverization after drying is not to increase the specific surface area of the pigment composition or to reduce the average particle diameter of the primary particles, but to dry using a box dryer or a band dryer.
- the method is performed to dissolve and pigment the pigment composition having a lamp shape or the like, and examples thereof include a grinding method using a mortar, a hammer mill, a disc mill, a pin mill, a jet mill or the like.
- the pigment composition of the present invention can be used in color filter pixel portions by a conventionally known method.
- a pigment dispersion method can be suitably employed.
- a typical method in this method is a photolithography method, which applies a photocurable composition to be described later to the side of the transparent substrate for color filter on which the black matrix is provided, and heat drying (prebake) After that, pattern exposure is performed by irradiating ultraviolet rays through a photo mask to cure the photocurable compound of the portion corresponding to the pixel portion, and then the unexposed portion is developed with a developer, and the non-pixel portion is formed. And the pixel portion is fixed to the transparent substrate.
- a pixel portion made of a cured colored film of a photocurable composition is formed on a transparent substrate.
- a photocurable composition to be described later is prepared for each color of red, green and blue, and the above operation is repeated to manufacture a color filter having red, green and blue colored pixel portions at predetermined positions. I can do it.
- pigments for forming a red pixel portion examples include C.I. I. Pigment Red 254 and 177, and the like.
- a pigment for forming a blue pixel part for example, C.I. I. Pigment Blue 15: 6 ( ⁇ -type copper phthalocyanine pigment) or C.I. I. Pigment Violet 23 (dioxazine violet pigment) and the like.
- a pigment for forming a green pixel part for example, C.I. I. Pigment Green 7, 36, 58, 59, 62, 63, etc., and metal phthalocyanine pigments.
- C.I. I. Pigment Yellow 138, 139, 150 and the like may be used in combination. Thereafter, if necessary, the entire color filter can be heat treated (post-baked) to thermally cure the unreacted photocurable compound.
- the drying conditions of the coating film of the photocurable composition applied to the transparent substrate vary depending on the types of the respective components, the blending ratio, and the like, but are usually about 50 minutes to 150 ° C. for about 1 to 15 minutes. This heat treatment is generally called "pre-bake".
- pre-bake As light used for photocuring of the photocurable composition, it is preferable to use ultraviolet light in the wavelength range of 200 to 500 nm or visible light. Various light sources emitting light in this wavelength range can be used.
- Examples of the development method include a liquid deposition method, a dipping method, a spray method and the like.
- the transparent substrate on which pixel parts of the necessary color are formed is washed with water and dried.
- the color filter thus obtained is subjected to heat treatment (post-baking) at a temperature of 100 to 280 ° C. for a predetermined time by a heating device such as a hot plate or an oven to remove volatile components in the colored coating film and at the same time light.
- the unreacted photocurable compound remaining in the cured colored film of the curable composition is thermally cured to complete the color filter.
- the pigment composition of the present invention As a method for producing the photocurable composition, the pigment composition of the present invention, an organic solvent and a dispersant are used as essential components, and these are mixed and dispersed by stirring so as to be uniform. After preparing a pigment dispersion (also called a colored paste) for forming the pixel part of the filter, add a photocurable compound and, if necessary, a thermoplastic resin, a photopolymerization initiator, etc. thereto. The method of using the photocurable composition is generally used.
- Dispersant for example, Disperbik 130, Disperbik 161, Disperbik 162, Disperbik 163, Disperbik 170 and the like manufactured by Big Chemie, Inc. may be mentioned.
- leveling agents, coupling agents, cationic surfactants and the like can also be used.
- organic solvent examples include aromatic solvents such as toluene, xylene, and methoxybenzene, acetic acid ester solvents such as ethyl acetate, butyl acetate, propylene glycol monomethyl ether acetate, and propylene glycol monoethyl ether acetate, and ethoxyethyl propionate.
- aromatic solvents such as toluene, xylene, and methoxybenzene
- acetic acid ester solvents such as ethyl acetate, butyl acetate, propylene glycol monomethyl ether acetate, and propylene glycol monoethyl ether acetate, and ethoxyethyl propionate.
- Propionate solvents such as alcohol, alcohol solvents such as methanol and ethanol, ether solvents such as butyl cellosolve, propylene glycol monomethyl ether, diethylene glycol ethyl ether and diethylene glycol dimethyl ether, ketone solvents such as methyl ethyl ketone, methyl isobutyl ketone and cyclohexanone, hexane
- ether solvents such as butyl cellosolve
- propylene glycol monomethyl ether diethylene glycol ethyl ether and diethylene glycol dimethyl ether
- ketone solvents such as methyl ethyl ketone, methyl isobutyl ketone and cyclohexanone, hexane
- Aliphatic hydrocarbon solvents N, N-dimethylformamide, ⁇ -butyrolactam, N-methyl-2-pyrrolidone, Phosphorus
- nitrogen compound-based solvent such as pyridine,
- the organic solvent is preferably a polar solvent such as propionate type, alcohol type, ether type, ketone type, nitrogen compound type and lactone type, and is water soluble.
- a polar solvent such as propionate type, alcohol type, ether type, ketone type, nitrogen compound type and lactone type
- water can also be used in combination therewith.
- thermoplastic resin used to prepare the photocurable composition examples include urethane resins, acrylic resins, polyamic acid resins, polyimide resins, styrene maleic acid resins, styrene maleic anhydride resins and the like.
- photocurable compound for example, 1,6-hexanediol diacrylate, ethylene glycol diacrylate, neopentyl glycol diacrylate, triethylene glycol diacrylate, bis (acryloxyethoxy) bisphenol A, 3-methylpentanediol di Bifunctional monomers such as acrylate, etc., trimethylol propatone triacrylate, pentaerythritol triacrylate, tris (2-hydroxyethyl) isocyanate, dipentaerythritol hexaacrylate, dipentaerythritol pentaacrylate, etc.
- Relatively high molecular weight polyfunctional monomers such as monomers, polyester acrylates, polyurethane acrylates, polyether acrylates, etc. It is.
- photopolymerization initiator for example, acetophenone, benzophenone, benzyldimethylketanol, benzoyl peroxide, 2-chlorothioxanthone, 1,3-bis (4'-azidobenzal) -2-propane, 1,3-bis (4) '-Azidobenzal) -2-propane-2'-sulfonic acid, 4,4'-diazide stilbene-2,2'-disulfonic acid and the like.
- the pigment composition of the present invention uniformly converts 300 to 1,000 parts of the organic solvent and 0 to 100 parts of the dispersant per 100 parts by mass conversion.
- the pigment dispersion can be obtained by stirring and dispersing such that Then, 3 to 20 parts of the total of the thermoplastic resin and the photocurable compound and 0.05 to 3 parts of the photocurable compound per 1 part of the pigment dispersion of the present invention are added to the pigment dispersion.
- a photocurable composition for forming a color filter pixel portion by adding an agent and, if necessary, an organic solvent and stirring and dispersing so as to be uniform.
- Such a photocurable composition is usually prepared such that the average particle size of the dispersed particles is 100 nm or less.
- the pigment dispersion and the photocurable composition prepared from the pigment composition of the present invention may be coarse particles of 5 .mu.m or more, preferably 1 .mu.m or more, by means of centrifugation, sintered filter, membrane filter, etc. Preferably, removal of coarse particles of 0.5 ⁇ m or more and mixed dust is performed.
- the developing solution known and commonly used organic solvents and alkaline aqueous solutions can be used.
- the photocurable composition contains a thermoplastic resin or a photocurable compound, and at least one of them has an acid value and exhibits alkali solubility
- washing with an alkaline aqueous solution is a color filter. It is effective in forming a pixel portion.
- the method for producing a color filter pixel portion by photolithography has been described in detail, but the color filter pixel portion prepared using the pigment composition of the present invention is not limited to other electrodeposition methods and transfer methods.
- the color filter may be manufactured by forming the pixel portion by a method such as a micelle electrolysis method or a PVED (Photovoltaic Electrodeposition) method.
- the color filter uses a photocurable composition of each color obtained using a blue pigment composition, a green pigment composition, and a red pigment composition, and encloses a liquid crystal material between a pair of parallel transparent electrodes and is transparent.
- the electrode is divided into discrete fine sections and any one of red (R), green (G) and blue (B) in each of the fine sections divided into grids by the black matrix on the transparent electrode It can be obtained by providing a color filter colored pixel portion selected from colors alternately in a pattern or forming a transparent electrode after forming a color filter colored pixel portion on a substrate.
- the pigment composition for color filters of the present invention may be used in various known applications, such as paints, plastics (resin molded articles), printing inks, rubbers, leathers, toners for electrostatic image development, inks for inkjet recording, thermal transfer It can also be applied to coloring of ink and the like.
- the light resistance was evaluated by this ⁇ Ynorm. The smaller the ⁇ Ynorm, the better the light resistance.
- the comprehensive evaluation emphasizes the contrast after firing at 230 ° C. for 1 hour, and adds ⁇ x, dielectric loss tangent and light resistance to this, and ⁇ which is excellent as a color filter balance, ⁇ which is good and ⁇ ⁇ ⁇ ⁇ which is poor ⁇ , and further inferior was regarded as x.
- Example 1 97 parts of C.I. I. Pigment green 58 and 3 parts of C.I. I. Pigment Yellow 129 was dry blended to obtain a green pigment composition 1.
- 1.48 parts of BYK-LPN 6919 (60% solution of active ingredient, solid content amine value 120.0 mg KOH / g) by BK-Chemie 2.48 parts of green pigment composition 1; Unidic ZL-295 (effective by DIC Corporation)
- the coloring composition (MG1) Add 4 parts of the coloring composition (MG1), 0.98 parts of Unidic ZL-295 manufactured by DIC Corporation, 0.22 parts of propylene glycol monomethyl ether acetate, and mix them with a paint shaker to obtain a green pixel part for a color filter.
- the composition for evaluation (CG1) for forming was obtained.
- the composition for evaluation (CG1) was spin-coated on soda glass so as to obtain a chromaticity y of 0.50, and spin-coated at 90 ° C. for 3 minutes to obtain a color filter substrate for evaluation. It was 7408 when the contrast of this glass substrate for evaluation was measured.
- baking was performed at 230 ° C. for 1 hour to obtain a color filter after baking.
- the contrast of the color filter substrate after firing was 6517, and ⁇ x was 0.0050.
- Example 2 In Example 1, 97 parts of C.I. I. Pigment green 58 in 99 parts, and 3 parts of C.I. I. A green pigment composition 2 was obtained in the same manner as described above, except that 1 part of pigment yellow 129 was used. Next, a coloring composition (MG2) and a composition for evaluation (CG2) for forming a green pixel portion for a color filter were prepared and dried at 90 ° C. for 3 minutes to obtain a color filter substrate for evaluation. It was 7291 when contrast of this glass substrate for evaluation was measured. Furthermore, baking was performed at 230 ° C. for 1 hour to obtain a color filter after baking. The contrast of the color filter substrate after firing was 6477, and ⁇ x was 0.0067.
- MG2 coloring composition
- CG2 composition for evaluation
- Example 3 In Example 1, 97 parts of C.I. I. Pigment green 58 to 99.5 parts, and 3 parts of C.I. I. Pigment Yellow 129 was used in the same manner as described above except that 0.5 parts of Green Pigment Composition 3 was obtained. Next, a color composition (MG3) and a composition for evaluation (CG3) for forming a green pixel portion for a color filter were prepared and dried at 90 ° C. for 3 minutes to obtain a color filter substrate for evaluation. It was 7129 when contrast of this glass substrate for evaluation was measured. Furthermore, baking was performed at 230 ° C. for 1 hour to obtain a color filter after baking. The contrast of the color filter substrate after firing was 6500, and ⁇ x was 0.0069.
- Example 4 Example 1 3 part of C.I. I. Pigment yellow 129 as C.I. I. A green pigment composition 3 was obtained as Pigment Yellow 129 in the same manner as described above. Next, a color composition (MG4) and a composition for evaluation (CG4) for forming a green pixel portion for a color filter were prepared and dried at 90 ° C. for 3 minutes to obtain a color filter substrate for evaluation. It was 6392 when contrast of this glass substrate for evaluation was measured. Furthermore, baking was performed at 230 ° C. for 1 hour to obtain a color filter after baking. The contrast of the color filter substrate after firing was 6405 and ⁇ x was 0.0059.
- MG4 color composition
- CG4 composition for evaluation
- Example 5 In Example 1, 97 parts of C.I. I. Pigment green 58 in 99 parts, and 3 parts of C.I. I. Pigment yellow 129, C.I. in one part having an average primary particle diameter of 79 nm. I. A green pigment composition 2 was obtained as Pigment Yellow 129 in the same manner as described above. Next, a coloring composition (MG5) and a composition for evaluation (CG5) for forming a green pixel portion for a color filter were prepared and dried at 90 ° C. for 3 minutes to obtain a color filter substrate for evaluation. It was 6848 when contrast of this glass substrate for evaluation was measured. Furthermore, baking was performed at 230 ° C. for 1 hour to obtain a color filter after baking. The contrast of the color filter substrate after firing, 6637, ⁇ x was 0.0070.
- Example 6 Green pigment composition 6 in the same manner as in Example 1 except that 2.04 parts of BYK-LPN6919 manufactured by BIC CHEMICAL CO., LTD. And 2.06 parts manufactured by DIC Corporation and 1.86 parts of UNIDIC ZL-295 manufactured by DIC Corporation are used.
- MG6 pigment composition
- CG6 composition for evaluation
- a green pixel portion for a color filter were prepared and dried at 90 ° C. for 3 minutes to obtain a color filter substrate for evaluation. It was 7397 when contrast of this glass substrate for evaluation was measured.
- baking was performed at 230 ° C. for 1 hour to obtain a color filter after baking.
- the contrast of the color filter substrate after firing, 6544, ⁇ x was 0.0038.
- luminance fall relative width was 39%.
- Example 7 1.24 parts of BYK-LPN6919 manufactured by BICK CHEMY of Example 1 and 1.64 parts manufactured by DIC Corporation and 1.86 parts of UNIDIC ZL-295 manufactured by DIC Corp. 1.26 parts in the same manner as described above.
- MG7 pigment composition
- CG7 composition for evaluation
- a green pixel portion for a color filter were prepared and dried at 90 ° C. for 3 minutes to obtain a color filter substrate for evaluation. It was 7242 when contrast of this glass substrate for evaluation was measured.
- baking was performed at 230 ° C. for 1 hour to obtain a color filter after baking.
- the contrast of the color filter substrate after firing, 6407, ⁇ x was 0.0042.
- luminance fall relative width was 18%.
- Example 8 A green pigment composition 8 in the same manner as in Example 1 except that 0.82 parts of BYK-LPN6919 manufactured by BIC CHEMICAL CO., LTD. And 0.82 parts of DIC Corporation and 1.86 parts of UNIDIC ZL-295 manufactured by DIC Corporation are used.
- a pigment composition (MG8) and a composition for evaluation (CG8) for forming a green pixel portion for a color filter were prepared and dried at 90 ° C. for 3 minutes to obtain a color filter substrate for evaluation. It was 7088 when contrast of this glass substrate for evaluation was measured.
- baking was performed at 230 ° C. for 1 hour to obtain a color filter after baking.
- the contrast of the color filter substrate after firing, 6271, ⁇ x was 0.0038.
- luminance fall relative width was 11%.
- Example 9 Green pigment composition 9 in the same manner as in Example 1 except that 0.40 parts of BYK-LPN6919 manufactured by BIC CHEMICAL CO., LTD. And 0.40 parts manufactured by DIC Corporation and 1.86 parts of UNIDIC ZL-295 manufactured by DIC Corporation are used.
- a pigment composition (MG9) and a composition for evaluation (CG9) for forming a green pixel portion for a color filter were prepared and dried at 90 ° C. for 3 minutes to obtain a color filter substrate for evaluation. It was 6886 when contrast of this glass substrate for evaluation was measured.
- baking was performed at 230 ° C. for 1 hour to obtain a color filter after baking. The contrast of the color filter substrate after firing was 6092 and ⁇ x was 0.0027.
- luminance fall relative width was 6%.
- Example 10 In Example 1, 97 parts of C.I. I. Pigment green 58 in 94.5 parts, and 3 parts of C.I. I. Pigment yellow 129 to 0.5 parts of C.I. I. Pigment Yellow 129 and 5 parts of zinc (II) 3,5-di-tert-butyl salicylate (BONTRON E-304, manufactured by Orient Chemical Industry Co., Ltd.) were processed as described above to obtain a green pigment composition 10. Next, a pigment composition (MG10) and a composition for evaluation (CG10) for forming a green pixel portion for a color filter were prepared and dried at 90 ° C. for 3 minutes to obtain a color filter substrate for evaluation. It was 6981 when contrast of this glass substrate for evaluation was measured.
- MG10 pigment composition
- CG10 composition for evaluation
- Example 11 In Example 1, 97 parts of C.I. I. Pigment green 58 in 94.5 parts, and 3 parts of C.I. I. Pigment yellow 129 to 0.5 parts of C.I. I. Pigment Yellow 129 and 5 parts of bis (2,4-pentanedionato) zinc (II) in the same manner as described above to obtain a green pigment composition 11.
- a pigment composition (MG11) and a composition for evaluation (CG11) for forming a green pixel portion for a color filter were prepared and dried at 90 ° C. for 3 minutes to obtain a color filter substrate for evaluation. It was 6911 when the contrast of this glass substrate for evaluation was measured. Furthermore, baking was performed at 230 ° C. for 1 hour to obtain a color filter after baking. The contrast of the color filter substrate after firing, 6687, ⁇ x was 0.0027. Moreover, when the light resistance test was done, the brightness
- Example 1 In Example 1, 97 parts of C.I. I. Pigment green 58 to 100 parts and 3 parts of C.I. I. A green pigment composition 3 was obtained in the same manner as above, except that Pigment Yellow 129 was 0 part. Next, a coloring composition (MG6) and a composition for evaluation (CG6) for forming a green pixel portion for a color filter were prepared and dried at 90 ° C. for 3 minutes to obtain a color filter substrate for evaluation. It was 7029 when contrast of this glass substrate for evaluation was measured. Furthermore, baking was performed at 230 ° C. for 1 hour to obtain a color filter after baking. The contrast of the color filter substrate after firing was 6229, and ⁇ x was 0.0072.
- MG6 coloring composition
- CG6 composition for evaluation
- Example 2 In Example 1, 97 parts of C.I. I. Pigment green 58 in 95.0 parts, and 3 parts of C.I. I. Pigment yellow 129, 5.0 parts of C.I. I. A green pigment composition 3 was obtained as Pigment Yellow 129 in the same manner as described above. Next, a color composition (MG8) and a composition for evaluation (CG8) for forming a green pixel portion for a color filter were prepared and dried at 90 ° C. for 3 minutes to obtain a color filter substrate for evaluation. It was 6049 when contrast of this glass substrate for evaluation was measured. Furthermore, baking was performed at 230 ° C. for 1 hour to obtain a color filter after baking. The contrast of the color filter substrate after firing was 6164 and ⁇ x was 0.0053.
- Example 3 In Example 1, 97 parts of C.I. I. Pigment green 58 in 95.0 parts, and 3 parts of C.I. I. Pigment yellow 129 to a C.I. I. A green pigment composition 3 was obtained as Pigment Yellow 129 in the same manner as described above. Next, a color composition (MG9) and a composition for evaluation (CG9) for forming a green pixel portion for a color filter were prepared and dried at 90 ° C. for 3 minutes to obtain a color filter substrate for evaluation. It was 5376 when contrast of this glass substrate for evaluation was measured. Furthermore, baking was performed at 230 ° C. for 1 hour to obtain a color filter after baking. The contrast of the color filter substrate after firing was 5596, and ⁇ x was 0.037.
- Example 4 In Example 1, 97 parts of C.I. I. Pigment green 58 in 95.0 parts, and 3 parts of C.I. I. Pigment yellow 129, 30.0 parts of C.I. I. A green pigment composition 3 was obtained as Pigment Yellow 129 in the same manner as described above. Next, a color composition (MG10) and a composition for evaluation (CG10) for forming a green pixel portion for a color filter were prepared and dried at 90 ° C. for 3 minutes to obtain a color filter substrate for evaluation. It was 4058 when contrast of this glass substrate for evaluation was measured. Furthermore, baking was performed at 230 ° C. for 1 hour to obtain a color filter after baking. The brightness of the color filter substrate after firing, the contrast was 4826, ⁇ x was 0.007, ⁇ x was low, but the contrast was low, and the overall evaluation was x.
- MG10 color composition
- CG10 composition for evaluation
- Examples 1 to 9 the contrast after firing for 1 hour at 230 ° C. is high, the change in chromaticity x ( ⁇ x) is small (high heat resistance), and the dielectric loss tangent is low, as compared with Comparative Examples 1 to 4. It can be seen that the balance of various required characteristics required for the color filter (high electrical reliability) is excellent. Furthermore, in Examples 10 to 11, it is understood that the performance is remarkably improved by adding a specific metal complex. In addition, Examples 6 to 11 also show a secondary effect of improving the light resistance.
Abstract
La présente invention concerne : une composition de pigment qui présente une excellente résistance à la chaleur et peut atteindre un excellent contraste et une fiabilité élevée lorsqu'elle est utilisée pour produire un filtre coloré ; et un filtre coloré contenant la composition de pigment dans des pixels de celui-ci. Plus particulièrement, l'invention concerne une composition de pigment pour un filtre coloré, la composition de pigment contenant un pigment à base de phtalocyanine et un pigment à base de complexe azométhine/cuivre et étant caractérisée en ce que le rapport en masse du pigment à base de phtalocyanine et du pigment à base de complexe azométhine/cuivre va de 99,9/0,1 à 96,5/3,5. En incorporant cette composition de pigment pour un filtre coloré dans les pixels d'un filtre coloré, il est possible d'obtenir un excellent filtre coloré satisfaisant les caractéristiques ci-dessus.
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Cited By (3)
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WO2022050051A1 (fr) * | 2020-09-01 | 2022-03-10 | 住友化学株式会社 | Composé |
KR20230121862A (ko) | 2021-02-03 | 2023-08-21 | 후지필름 가부시키가이샤 | 착색 조성물, 막, 광학 필터, 고체 촬상 소자, 화상표시 장치 및 화합물 |
KR20230121861A (ko) | 2021-02-03 | 2023-08-21 | 후지필름 가부시키가이샤 | 착색 조성물, 막, 광학 필터, 고체 촬상 소자, 화상표시 장치 및 화합물 |
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