WO2002052307A1 - Composition pour filtres colores et filtres colores - Google Patents

Composition pour filtres colores et filtres colores Download PDF

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Publication number
WO2002052307A1
WO2002052307A1 PCT/JP2001/010750 JP0110750W WO02052307A1 WO 2002052307 A1 WO2002052307 A1 WO 2002052307A1 JP 0110750 W JP0110750 W JP 0110750W WO 02052307 A1 WO02052307 A1 WO 02052307A1
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Prior art keywords
group
composition
pigment
phthalocyanine
color filter
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PCT/JP2001/010750
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English (en)
Japanese (ja)
Inventor
Michio Morishita
Takumi Nagao
Tatsushi Isojima
Eisuke Fujiwara
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Mitsubishi Chemical Corporation
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Publication of WO2002052307A1 publication Critical patent/WO2002052307A1/fr

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    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0041—Optical brightening agents, organic pigments

Definitions

  • the present invention relates to a color filter used for a liquid crystal display device or a solid-state imaging device, and a color filter composition suitable for producing a color filter.
  • Color filters used in liquid crystal display devices or solid-state imaging devices, etc. are made by forming fine pixels such as red, green, and blue on a transparent substrate such as glass by dyeing, printing, electrodeposition, or pigment dispersion. It is formed.
  • These conventional color filters have the following features and problems.
  • a color filter by a dyeing method is manufactured by forming an image with a photosensitive resin obtained by mixing a dichromate as a photosensitive agent in gelatin, polybutyl alcohol, or the like, and then dyeing.
  • the dyeing method is excellent in terms of color reproducibility, it requires an anti-staining process in order to form multiple colors on the same substrate, and has a problem that the process becomes complicated. Also, the use of dyes results in poor colorfastness of the resulting color filters. Furthermore, the use of dichromate is not desirable from the viewpoint of pollution control.
  • a color filter by a printing method is manufactured by transferring a thermosetting or photocurable ink onto a transparent substrate such as glass by a method such as screen printing or flexographic printing.
  • This method does not require image formation or dyeing, so the process is simple. However, it is difficult to obtain a high-definition image, and there is a problem in ink smoothness.
  • a transparent substrate such as glass provided with electrodes is immersed in a bath containing a pigment or a dye, and pixels are formed by electrophoresis.
  • this method is excellent in the flatness of the obtained color filter, it is difficult to form a color filter having a complicated pattern because electrodes must be formed on a transparent substrate in advance.
  • a method for manufacturing a color filter for a liquid crystal display device or a solid-state imaging device includes a method using a photosensitive resin in which a pigment or the like is dispersed, that is, a so-called pigment because of high productivity and excellent fine processing. The dispersion method has become mainstream.
  • a composition for a color filter in which a pigment or the like is dispersed in a photosensitive resin is applied on a transparent substrate such as glass to form a coating film, which is then exposed to energy rays through a photomask.
  • the unexposed portions are removed by a development process, and a pattern is formed to produce a color filter.
  • a transmissive color liquid crystal display device in which a light source (backlight) is provided on the back of the device and an image is displayed by the transmitted light is generally used, and red (R) and green are used as color filters.
  • An additive color mixture type using the three primary colors (G) and blue (B) is used.
  • the Y value of the XYZ (Yxy) color system controlled by the International Commission on Illumination (CIE) is required to be as large as possible.
  • CIE International Commission on Illumination
  • the pigment particle size is optimized and the yellow pigment to be compounded is improved.
  • sufficient performance has not yet been obtained.
  • green pigments are mainly C.I. (color index pick-up) Halogenated copper phthalocyanine-based pigments such as Nitto Green 7, 36, etc. are used, and pigment derivatives such as sulfonated copper phthalocyanine and sulfonamide are generally used as dispersing aids for green pigments.
  • C.I. color index pick-up
  • pigment derivatives such as sulfonated copper phthalocyanine and sulfonamide are generally used as dispersing aids for green pigments.
  • Y value is required, and further improvement of dispersion stability is also expected for green pigments. It is the present situation.
  • the absorbance of the blue pigment at a wavelength of 450 nm and the wavelength of 6 It is necessary to reduce the ratio of the absorbance at 10 nm, and more preferably to reduce the ratio of the absorbance at 450 nm to the absorbance at 540 nm.
  • optimization of the particle size of the blue pigment and improvement by the binder resin and additives used in the color filter composition have been carried out, but they are still insufficient. Performance has not been obtained.
  • the absorption peak of the pigment or pigment derivative used in combination is long. Due to the power depending on the wavelength or the decrease in the transmittance of the backlight at the wavelength of the blue emission line, the color tone will deteriorate, such as reddishness, and the brightness will decrease, and it will not be possible to reproduce bright blue. Has been a problem. In order to achieve high brightness and high color purity of these green and blue images, the main factors of the color of the pixel of the color filter, such as pigment green 36, pigment green 7, and pigment blue 15: 6, have been developed.
  • copper phthalocyanine pigment which is used as a pigment
  • another phthalocyanine compound copper phthalocyanine compound
  • copper phthalocyanine compound copper phthalocyanine compound
  • any of the copper phthalocyanine-based compounds conventionally used has a substituent such as a sulfonic acid group or a sulfonamide group in the phthalocyanine skeleton.
  • substituents are usually produced by producing a copper phthalocyanine and then performing a reaction for introducing the substituents, the production process is complicated, and as a result, the cost of the color filter composition is reduced. It is a factor that pushes up.
  • the copper phthalocyanine-based compound having the above substituent has a risk of being decomposed by heat or the like, and this is also a concern.
  • the present invention solves the above-mentioned conventional problems, and an object of the present invention is to provide a color filter composition under the name of an ordinary dispersing aid which replaces the conventional substituted copper phthalocyanine compound having a substituent.
  • An object of the present invention is to find an additive to be used and to provide a composition for a color filter having high brightness and a color filter using the composition for a color filter.
  • Another object of the present invention is to provide a composition for a color filter which has excellent dispersion stability of a green pigment, a high Y value, a high light transmittance, and a high brightness color filter, and a composition for the color filter. It is to provide a color filter used. Another object of the present invention is to reduce the absorbance ratio between the wavelengths of the blue pigment at 460 nm and 610 nm, and further, the absorbance ratio at the wavelengths of 450 nm and 540 nm. An object of the present invention is to provide a composition for a color filter capable of obtaining a color filter having high color purity, and a color filter using the composition for a color filter.
  • the present inventors have achieved the above object by using a phthalocyanine-based compound having no center metal and a phthalocyanine-based compound having a metal other than copper as Z or the center metal, and these phthalocyanine-based compounds are , C.I. Pigment Green 36, 7 and Pigment Blue 15: 6 are effective for other pigments as well as copper phthalocyanine compounds that have been used in the past in green and blue. That is, the present invention has been completed.
  • the composition for a color filter of the present invention is a composition for a color filter containing a pigment, a binder resin, and a monomer or a monomer. It is characterized by containing one or more phthalocyanine-based compounds selected from the group consisting of phthalocyanine-based compounds having no genus and phthalocyanine-based compounds having a central metal other than copper.
  • the color filter composition of the present invention is a color filter composition containing a pigment, a binder resin and / or a monomer, further comprising Mg, Ti, Zr, V, Mii, Fe, Co, Ni, Pd, Zn, Al, Ga, In, Si, Ge, and Sn. It is characterized by containing one or more types.
  • the composition for a color filter of the present invention is a composition for a color filter containing a pigment, a binder resin, and Z or a monomer, further comprising Mg, Zn, and A as central metals. It is characterized by containing one or more phthalocyanine compounds having at least one selected from l, Ga, In, Si, Ge, and Sn.
  • the pigment is a group consisting of a blue pigment, a green pigment, a red pigment, a yellow pigment, a violet pigment, an orange pigment, a brown pigment, and a black pigment. It is preferable to include one or more selected from the group consisting of:
  • the pigment preferably contains a phthalocyanine-based compound containing copper as a central metal.
  • the compounding amount of one or two or more phthalocyanine compounds selected from the group consisting of phthalocyanine compounds having no central metal and phthalocyanine compounds having a central metal other than copper is as described above. It is preferably 0.1 to 30 parts by weight based on 100 parts by weight in total with the pigment.
  • the color filter composition of the present invention contains CI Pigment Green 7 and Z or CI Pigment Green 36 as a pigment, and comprises a binder resin and / or a monomer. And a phthalocyanine compound having no central metal, and a lid opening having a central metal different from C.I. Pigment Darine 7 and C.I.
  • One or more phthalocyanine compounds selected from the group consisting of cyanine compounds hereinafter, may be referred to as “second phthalocyanine compounds G”).
  • L4-Z 2 any substituent trivalent metal which is monosubstituted represented by, L4-Z 2 (where, L4 is tetravalent Z represents an arbitrary substituent, and two Zs substituted on L4 may be different substituents or may be the same substituent.)
  • a tetravalent metal, L4 ⁇ ⁇ (wherein L4 represents a tetravalent metal), or a phthalocyanine-containing compound having lanthanides, or a central metal.
  • Trivalent metal L3 or L4-Z (where L4 is a tetravalent metal, and Z is any substituent) It is preferable that the L3 or L4 is a dimer formed by bonding to a central metal of another phthalocyanine compound via an oxygen atom.
  • the color filter composition of the present invention contains CI pigment blue 15: 6 as a pigment, and also contains a binder resin and Z or a monomer thereof.
  • the phthalocyanine-based compound having no center metal and the phthalocyanine-based compound whose center metal is different from CI Pigment Blue 15: 6 (hereinafter referred to as “second phthalocyanine-based compound B”) It is characterized by containing one or more phthalocyanine compounds selected from the group consisting of:
  • the central metal is a divalent metal, a monosubstituted trivalent metal, 2-substituted tetravalent metal, oxymetal, lanthanum
  • Preferred is a metal selected from the group consisting of metal salts, trivalent metals, and monosubstituted tetravalent metals.
  • Examples of the second phthalocyanine-based compound B include phthalocyanine-based pigments represented by the following general formula (1) or (2) [Embodiments (12) and (14)].
  • M represents a trivalent metal or a monovalent substituted tetravalent metal.
  • M is 2H when there is no central metal.
  • the substituent represented by ⁇ ⁇ ⁇ ⁇ in the general formula (1) or ⁇ ⁇ ⁇ ⁇ in the general formula (2) is preferably independently selected from the following groups. 15), (17)], particularly those selected from the group consisting of a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group and a nitro group are preferred [embodiments (16), (18)].
  • composition for a color filter of the present invention contains a monomer
  • this monomer is preferably an addition-polymerizable compound having at least one ethylenic double bond group in the molecule.
  • Embodiment (19)] it is preferable to further include a photopolymerization initiation system.
  • the binder resin preferably has a carboxyl group or a phenolic hydroxyl group [embodiment (21)], or is preferably an acrylic resin. [Embodiment (22)], particularly preferably having an ethylenic double bond group in a side chain [Embodiment (23)].
  • the color filter of the present invention has an image formed using such a composition for a color filter of the present invention [Embodiment (24)]. Brief description of drawings>
  • FIG. 1 is a graph showing the measurement results of the viscosity in Example 28.
  • FIG. 2 is a graph showing the measurement results of the viscosity in Comparative Example 5.
  • the composition for a color filter of the present invention contains a pigment, a binder resin and Z or a monomer, and is further selected from the group consisting of a phthalocyanine-based compound having no central metal and a phthalocyanine-based compound having a central metal other than copper.
  • a phthalocyanine-based compound having no central metal a phthalocyanine-based compound having a central metal other than copper.
  • one or two or more phthalocyanine compounds selected from the group consisting of the phthalocyanine compound having no center metal and the phthalocyanine compound having a center metal other than copper are the main factors of the color of the pixel of the color filter. It may be referred to as "second phthalocyanine compound" for convenience to distinguish it from copper phthalocyanine pigment which may be used as a pigment.
  • the second phthalocyanine-based compound is a copper phthalocyanine-based compound pigment (hereinafter, referred to as a “first phthalocyanine-based compound”) that mainly causes the color of the pixel of the color filter in the color filter composition. It is not intended to be required to be used in combination with the above, but is used for convenience only.
  • Such a second phthalocyanine compound generally has a predetermined color, and as a result, it can be generally expressed as a pigment. However, in the present invention, these are distinguished from each other. I do. Therefore, the “pigment” in the present invention does not include the second phthalocyanine compound unless otherwise specified.
  • the central metal includes Ni, Co, Fe, Zn, Pd, Mg, Ru, Rh, Pt, and Mn. , Ti, Be, C a, B a, C d, H g, P b, Sn, A g, A u and other divalent metals, A l, In, G a, T l, M n,
  • Examples include various kinds of metals such as trivalent metals such as Fe and Ru, and tetravalent metals such as Si, Ge, Sn, Ti, Cr, Zr, Mn, and V.
  • These central metals may be in the form of oxymetals, May have a substituent Z.
  • the central metal of the second phthalocyanine compound preferably, for example, Ni, Co, Fe (divalent), Zn, Pd, Mg, Mn, Sn, A1, In, Ga , Fe (trivalent), Si, Sn, Zr, Ge, Ti (divalent), V, Ti (tetravalent), more preferably Mg, Ti, Zr, V, Mn, F e, C o, N i, P d, Z n, A 1, G a, In, S i, Ge, and Sn.
  • Mg, Co, Zn, Ni, Sn, G a, A 1, In, Sn, and V particularly preferred are Mg, Zn, A 1, G a, and In , S i, G e, and Sn are preferred, Mg, Zn, Sn, G a, A 1, and In are more preferred, and Mg, Zn, and Sn are most preferred.
  • the second phthalocyanine compound having such a central metal can exhibit not only the same performance as conventional copper phthalocyanine having a substituent but also higher brightness, color purity and dispersibility. It can also be done.
  • Mg, Z n, S n, G a- Z , A 1 _Z, I n- Z more preferably S n _ Z 2.
  • the second phthalocyanine-based compound may form a dimer in which the central metal is bonded to the central metal of another phthalocyanine-based compound via an oxygen atom.
  • the trivalent metal L 3 as a specific embodiment of the central metal include A 1, In, Ga, Tl, Mn, Fe, Ru, and the like.
  • L 4 represents a tetravalent metal
  • Z represents an arbitrary substituent.
  • Z is an arbitrary substituent, and among them, a halogen atom, a hydroxyl group, an alkoxy group or an aryloxy group is preferable.
  • the halogen atom may be any of a fluorine atom, a chlorine atom, a bromine atom and an iodine atom, but is preferably a fluorine atom, a chlorine atom and a bromine atom, particularly preferably a chlorine atom or a bromine atom.
  • the alkoxy group is preferably an alkoxy group having 1 to 8 carbon atoms, such as a methoxy group, an ethoxy group, a butoxy group, or a hexyloxy group, in which the alkyl chain part is linear, branched, or cyclic. 1-4 alkoxy groups are preferred.
  • the aryloxy group include a phenyl group, a naphthyloxy group, a pyridyloxy group, a quinolyloxy group, and the like, in which the aryl moiety is a 5- or 6-membered ring or a 2- or 3-condensed ring having a 5- or 6-membered ring. Any of the aryloxy groups and the like can be mentioned. Among them, Z is particularly preferably a halogen atom or a hydroxyl group.
  • the second phthalocyanine-based compound may have an arbitrary substituent at any position of the phthalocyanine skeleton, and those preferably bonded to the phthalocyanine skeleton include a hydrogen atom, a halogen atom, a hydroxyl group, and a nitro group.
  • the halogen atom may be any of a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, etc., but is preferably a fluorine atom, a chlorine atom, or a bromine atom, particularly a chlorine atom. Or a bromine atom is preferable.
  • alkylamino group examples include an alkylamino group having 1 to 10 carbon atoms, preferably 1 to 6 carbon atoms, such as a methylamino group, an ethylamino group, a dimethylamino group, and a dimethylamino group.
  • alkyl group examples include, for example, a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, a tert-butyl group, and a sec-butyl group.
  • alkyl group examples include a linear or branched alkyl group having 1 to 4 carbon atoms, and may be a cyclic alkyl group having 3 to 10 carbon atoms, preferably 3 to 6 carbon atoms, such as a cyclopropyl group and a cyclobutyl group.
  • alkoxy group examples include a methoxy group, an ethoxy group, an n-propoxy group, an isopropoxy group, an n-butoxy group, a tert-butoxy group, a sec-butoxy group, and the like.
  • alkoxy group examples include a straight-chain or branched alkoxy group having 1 to 4 carbon atoms, such as a cyclopropyloxy group and a cyclobutyloxy group, and a cyclic alkoxy group having 3 to 10 carbon atoms, preferably 3 to 6 carbon atoms. May be.
  • alkylthio group examples include, for example, a methylthio group, an ethylthio group, an n-propylthio group, an isopropylinolethio group, an n-butylinolethio group, a tert-butylthio group, a sec-butylthio group and the like having 1 to 10 carbon atoms, preferably carbon atoms.
  • Examples thereof include a linear or branched alkylthio group having 1 to 4 carbon atoms, and a cyclic alkylthio group having 3 to 10 carbon atoms, preferably 3 to 6 carbon atoms, such as a cyclopropylthio group and a cyclobutylthio group. good.
  • aryl group examples include aryl groups having 6 to 10 carbon atoms, such as a phenyl group and a naphthyl group.
  • aryloxy groups include phenyloxy, naphthyloxy and the like. And an aryloxy group having 6 to 10 carbon atoms.
  • arylthio group examples include a arylthio group having 6 to 10 carbon atoms, such as a phenylthio group and a naphthylthio group.
  • aralkyl group examples include an aralkyl group having 7 to 14 carbon atoms such as a phenylmethyl group and a phenylethyl group.
  • alkenyl group examples include a straight-chain or branched alkenyl group having 2 to 11 carbon atoms, preferably 2 to 5 carbon atoms, such as a butyl group, a propyl group, a butyl group, and a penthyl group.
  • Has 3 to 3 carbon atoms such as cyclopentenyl group and cyclohexenyl.
  • It may be a cyclic alkenyl group having 10 and preferably 3 to 6 carbon atoms.
  • alkenyloxy group examples include a linear or branched alkenyloxy group having 3 to 11 carbon atoms, preferably 2 to 5 carbon atoms, such as a propenyloxy group, a pthenyloxy group, and a pentyloxy group.
  • alkylcarbonyl group examples include a linear or branched alkylcarboyl group having 2 to 11 carbon atoms, preferably 2 to 5 carbon atoms, such as an acetyl group, a propionyl group, a butyryl group, and an isoptyryl group. .
  • alkoxycarbonyl group examples include a methoxycarbonyl group, an ethoxy canolepodinole group, an n-propoxycanolepodinole group, an isopropoxycarbinole group, an n-butoxycarbonyl group, a tert-butoxycarbonyl group, and a sec-butoxy group.
  • alkoxycarbonyl group examples include a straight-chain or branched alkoxycarbonyl group having 2 to 11 carbon atoms, preferably 2 to 5 carbon atoms, such as a carbonyl group.
  • alkylcarbonyloxy group examples include a methylcarbonyloxy group, an ethylcarbonyloxy group, an n-propylcarboxy group, an isopropyl group, a n-butyloxycarbonyl group, an n-butynoleca levoninoleoxy group, and a tert-butynolene group.
  • alkylcarbonyloxy group examples include a straight-chain or branched alkylcarbonyloxy group having 2 to 11 carbon atoms, preferably 2 to 5 carbon atoms, such as a force / repooxy group and a sec-butylcarbonyloxy group.
  • alkylaminocarbonyl group examples include, for example, a methylaminocarbonyl group, an ethylaminocarbonyl group, a dimethylaminocarbonyl group, a dimethylaminocarbonyl group, and the like.
  • alkoxyalkyl group examples include a linear or branched alkoxyalkyl group having 2 to 11 carbon atoms, preferably 2 to 5 carbon atoms, such as a methoxymethyl group, a methoxyl group, an ethoxymethyl group, and an ethoxyl group. .
  • fluoroalkyl group examples include a trifluoromethyl group, a pentafluoroethyl group, a heptafluoro-n-propynole group, a heptafluoroisopropynole group, a perfluoro-n-butyl group, a perfluoro-tert-butyl group, and a perfluoromethyl-sec-butyl group.
  • examples thereof include a linear or branched fluoroalkyl group having 1 to 10 carbon atoms, preferably 1 to 4 carbon atoms, such as a group.
  • fluoroalkoxy group examples include a trifluoromethoxy group, a pentafluoroethoxy group, a heptaphthalenolol n-propoxy group, a heptafluoroisopropoxy group, a perfuzoleone-n-butoxy group, a norphnoleolo tert-butoxy group.
  • straight-chain or branched fluoroalkoxy groups having 1 to 10 carbon atoms, preferably 1 to 4 carbon atoms, such as a perfluoro-sec-butoxy group.
  • fluoroalkylthio group examples include a trifluoromethylthio group, a pentuff / reolotineorethio group, a heptaph / leo-n-propinorethio group, a heptafnoleole-isopropinorethio group, and a perfnoleo-n-n-ptynorethio group
  • a linear or branched fluoroalkylthio group having 1 to 10 carbon atoms, preferably 1 to 4 carbon atoms, such as tert-butylthio group and perfluoro-sec-butylthio group.
  • alkylsulfonyl group examples include a methylsulfonyl group, an ethynolenosulfonyl group, an n-propylsulfonyl group, an isopropylinolenosulfonyl group, an n-butynolesulfonyl group, a tert-butylsulfonyl group, and a sec-butylsulfonyl group.
  • a linear or branched alkylsulfonyl group having 1 to 10 carbon atoms, preferably 1 to 4 carbon atoms is exemplified.
  • alkylaminosulfonyl group examples include, for example, a methylaminosulfonyl group, an ethylaminosulfonyl group, a dimethylaminosulfonyl group, a acetylaminosulfonyl group and the like having 1 to 10 carbon atoms, To 6 alkylaminosulfonyl groups.
  • alkylaminosulfonate group examples include, for example, a methylaminosulfonate group, an ethylaminosulfonate group, a dimethylaminosulfonate group, and a acetylaminosulfonate group having 1 to 10 carbon atoms, preferably 1 to 6 carbon atoms.
  • alkylaminosulfonic acid groups of the formula (1) examples include, for example, a methylaminosulfonyl group, an ethylaminosulfonyl group, a dimethylaminosulfonyl group, a
  • aliphatic heterocyclic group examples include an aliphatic heterocyclic group such as a morpholin ring and a piperidine ring.
  • aromatic heterocyclic group examples include a pyrrole ring, a furan ring, a thiol ring, a pyridine ring, a oxazole ring, a thiazole ring, an imidazole ring, a triazole ring, a thiadiazole ring, a triazine ring, a benzoxazole ring, and benzo.
  • aromatic heterocyclic groups such as a thiazole ring and a benzimidazole ring.
  • the second phthalocyanine compound is a dimer in which two phthalocyanine compounds are bonded via an oxygen atom coordinated to a central metal
  • a substituent of the phthalocyanine structure portion in the dimer Is the same as above.
  • the types of the phthalocyanine structural parts and the central metal constituting the dimer may be the same or different.
  • the amount of the second phthalocyanine-based compound as described above to be incorporated into the composition for a color filter is too large, which may cause a decrease in lightness or a change in chromaticity.
  • the total weight with 2 of the phthalocyanine-based compound is 100, it is usually 50 or less, preferably 30 or less, more preferably 20 or less, particularly preferably 10 or less, and most preferably 5 or less. It is. Even if the amount of the second phthalocyanine compound is too small, the effect of improving the dispersibility due to the incorporation of the second phthalocyanine compound cannot be obtained. Therefore, when the total weight is 100, the amount is usually 0.1.
  • the composition for a color filter of the present invention may further comprise a pigment such as a blue pigment, a green pigment, a red pigment, a yellow pigment, a violet pigment, an orange pigment, a brown pigment, and a black pigment, in addition to the second phthalocyanine compound.
  • a pigment such as a blue pigment, a green pigment, a red pigment, a yellow pigment, a violet pigment, an orange pigment, a brown pigment, and a black pigment, in addition to the second phthalocyanine compound.
  • These pigments, in particular blue, green or red pigments are usually the main factor in the color of the pixels of the color filter.
  • the second phthalocyanine-based compound usually exhibits a blue or green color, and thus is suitably used for a composition for a color filter for blue or green. In that respect, it is preferable to use a blue and / or green pigment as the pigment.
  • these blue or green color filter compositions usually contain a violet pigment or a yellow pigment, a violet pigment or a yellow pigment is also preferably used.
  • a violet pigment or a yellow pigment is also preferably used.
  • the color of the second phthalocyanine-based compound is not so much affected, so that it is also suitably used in this case.
  • a red pigment is used, there is some problem of color purity, but it has a remarkable effect of lowering the viscosity of the color filter composition.
  • pigments that can be used are shown by pigment numbers.
  • C.I. pigment red 48 1, 122, 168, 177, 202, 206, 207, 209, 224, 242, 254 And more preferably CI Pigment Red 177, 209, 224 and 254.
  • C.I. pigment blue 1, 1: 2, 9, 14, 15, 15, 15: 1, 15: 2, 15: 3, 15: 4, 15: 6 , 16, 17, 19, 25, 27, 28, 29, 33, 35, 36, 56, 56: 1, 60, 61, 61: 1, 6 2 , 63, 66, 67, 68, 71, 72, 73, 74, 75, 76, 78, 79.
  • C.I. pigment green 1 2, 4, 7, 8, 10, 13, 14, 14, 15, 17, 17, 18, 19, 26, 36, 4 5, 48, 50, 51, 54, 55 can be mentioned.
  • C.I. Pigment Green 7, 36 can be preferably mentioned.
  • C.I. pigment orange 1, 2, 5, 13, 13, 16, 17, 17, 19, 20, 21, 22, 23, 24, 34, 36, 38, 39, 43 , 46, 48, 49, 61, 62, 64, 65, 67, 68, 69, 70, 71, 72, 73, 74, 75, 77, 78, 79.
  • brown pigments include C.I. Pigment Brown 1, 6, 11, 2, 22, 23, 24, 25, 27, 29, 30, 31, 31, 33, 34, 35 37, 39, 4
  • black pigments include carbon black, acetylene black, lamp black, bone black, graphite, iron black, cobalt black, titanium black, aniline black, cyanine black, and perylene black.
  • carbon black is particularly preferred from the viewpoint of light blocking ratio and image characteristics.
  • the carbon black include the following carbon blacks.
  • Printex 3 Printex 3 ⁇ P, Printex30, Printex30 OP, Printex40, Printex45, Printex55, Printex60, Printex75 N Printex80 Printex85 s P rintex 90, P rintex A, P rinte, P rintex G, P rintex P N P rintex U, P rintex V, P rinte xG, S pecia 1 B 1 ack 550 N S pecial B lack 350 N S pecial B lack 250 N S ecial B 1 ackl 00, S ecia 1 B 1 ack 6, S ecia 1 B 1 ack 5, S pecial B lack 4 s Color B lack FW1, Color
  • C olor B lack FW2 V s C olor B 1 ack FW18, C olor B lack FW18 S C olor B 1 ack FW200, C olor B lack S 1 60, C olor B lack S 1 70
  • RAVEN 11 Made by Colombian Carbon: RAVEN 11, RAVEN 14, RAVEN 15, RAVEN 16, RAVEN 22 RAVEN 30, RAVEN 35, RAV EN40, RAVEN 410, RAVEN 420, RAVEN 450, RAVE N 500, RAVEN 780, RAVEN 850 , RAVEN 890 H, R AVEN 1 000, RAVEN 1020, RAVEN 1040, RAVEN 106 0 U, RAVEN 1080 U, RAVEN 1 1 70 N RAVEN 1 1 90 URA VEN 1 250, RAVEN 1 500, RAVEN 2000, RAVEN 25 0 0U, RAVEN 3 500, RAVEN 5000, RAVEN 5 250 S RA VEN 5 750, RAVEN 7000
  • black pigments examples include titanium black, phosphorus black, iron oxide black pigments, and organic pigments of three colors, red, green, and blue, which can be used as black pigments.
  • pigment barium sulfate, lead sulfate, titanium oxide, yellow lead, red iron oxide, chromium oxide and the like can be used.
  • pigments may be used in combination of two or more.
  • a green pigment and a yellow pigment can be used in combination, or a blue pigment and a violet pigment can be used in combination as pigments.
  • These pigments have an average particle diameter of 1 / im, preferably 0.l / m or less, more preferably 0.25 / im or less.
  • the pigment comprises copper as the central metal, such as C.I. (Color Index) Pigment Green 36, C.I. Pigment Green 7, C.I. Contains phthalocyanine compounds.
  • C. I. Pigment Green 7 (hereinafter sometimes referred to as “PG 7”) and Z or Pigment Green 36 (hereinafter sometimes referred to as “PG 36”).
  • the second phthalocyanine-based compound G is the second phthalocyanine-based compound described above, that is, the phthalocyanine-based compound having no central metal, and the center of C.I. Pigment Green 7 and C.I.
  • the phthalocyanine compound having a central metal different from the metal that is, one or more phthalocyanine compounds whose central metal is selected from the group consisting of phthalocyanine compounds other than Cu.
  • the central metal includes Ni, Co, Fe, Zn, Pd, Mg, Ru, Rh, P divalent metal such as t, Mn, Ti, Be, Ca, Ba, Cd, Hg, Pb, Sn, Ag, Au; L2; A 1—Z, In_Z, G a—Z , Tl-Z, Mn_Z, Fe-Z, Ru-Z, etc., L3-Z (where L3 is a trivalent metal, and Z is any substituent).
  • the trivalent metal L 3 as the central metal Is for example, Al, In, Ga, Tl, ⁇ , Fe, Ru, etc., and is L4-Z (4, L4 is a tetravalent metal, and Z is an optional substituent).
  • the monosubstituted tetravalent metal represented include Si_Z, Ge-Z, Sn-Z, Ti-Z, Cr-Z, Zr_Z, and Mn_Z.
  • Z is an arbitrary substituent, and among them, a halogen atom, a hydroxyl group, an alkoxy group or an aryloxy group is preferable.
  • the halogen atom may be any of a fluorine atom, a chlorine atom, a bromine atom and an iodine atom, but is preferably a fluorine atom, a chlorine atom and a bromine atom, particularly preferably a chlorine atom or a bromine atom.
  • an alkoxy group having a linear, branched, or cyclic alkyl chain portion having 1 to 8 carbon atoms is particularly preferable.
  • the aryloxy group include a phenyl group, a naphthyloxy group, a pyridyloxy group, a quinolyloxy group, and the like, in which the aryl moiety is a 5-membered ring, a 6-membered ring, a 5-membered ring and a 2- or 3-condensed ring having a Z or 6-membered ring.
  • Z is particularly preferably a halogen atom or a hydroxyl group.
  • the second phthalocyanine-based compound G may have a substituent as described above in the phthalocyanine skeleton.
  • the compound represented by the following general formula (1) or (2) is particularly preferred as the second phthalocyanine compound G.
  • the number of substituents other than hydrogen atom of Xi ⁇ x 16 is the size of the substituents, it may be appropriately selection, in view of weather resistance and heat resistance, more than 8 in the general formula (1) Of these, four or less, particularly two or less are most preferred.
  • the phthalocyanine-based compound G represented by the general formula (2) has a central metal bonded via an oxygen atom and has two phthalocyanine structural parts.
  • Each of the phthalocyanine structural parts in the phthalocyanine pigment represented by the general formula (2) is the same as that in the general formula (1) described above. That is, The substituents, the number of substitutions, and the like represented by are the same as those described in the general formula (1).
  • each phthalocyanine structural part in the phthalocyanine pigment represented by the general formula (2) may be the same as or different from each other as described above.
  • the second phthalocyanine-based compound G represented by the general formula (1) or the general formula (2) may be used alone, and may be a compound group represented by the general formulas (1) and (2). Two or more types arbitrarily selected from the above may be used in combination.
  • the second phthalocyanine compound G may have a maximum transmittance wavelength at a shorter wavelength than PG7 and PG36.
  • the amount of the second phthalocyanine-based compound G as described above to be incorporated into the green color filter composition may cause a decrease in lightness or a change in chromaticity if the amount is too large.
  • the total weight of PG 7 and Z or PG 36 is 100, it is usually 30 or less, preferably 20 or less, more preferably 10 or less, and particularly preferably 5 or less. Even if the amount of the second phthalocyanine compound G is too small, the effect of improving the dispersibility due to the compounding cannot be obtained, so that the total amount of the second phthalocyanine compound G and PG 7 and / or PG 36
  • the weight is 100, it is usually 0.1 or more, preferably 0.5 or more, more preferably 1 or more.
  • Pigment Blue 15: 6 (hereinafter sometimes referred to as “PB 15: 6”) used as a pigment
  • the second phthalocyanine-based compound B is used in combination with the above-mentioned second phthalocyanine compound B.
  • a phthalocyanine compound having no central metal or having a different central metal from PB 15: 6, ie, a phthalocyanine compound other than Cu a phthalocyanine compound having no central metal or having a different central metal from PB 15: 6, ie, a phthalocyanine compound other than Cu.
  • the central metals are divalent metals and trivalent metals, of which one bond is substituted by an arbitrary group (a monovalent trivalent metal), and a tetravalent metal that is a divalent metal.
  • One bond substituted by any group (2-substituted tetravalent metal), oxy A metal, a lanthanoid metal, a trivalent metal, or a tetravalent metal, of which one of the bonds is substituted by an arbitrary group (a monovalent substituted tetravalent metal) Is preferred.
  • Examples of the divalent metal of the central metal of the second phthalocyanine compound B include Ni, Co, Fe, Zn, Pd, Mg, Ru, Rh, Pt, Mn, Ti, B e, C a, B a, C d, Hg, P b, Sn, Ag, Au and the like.
  • Examples of the 1-substituted trivalent metal include A 1 _Z, InZ, Ga_Z, Tl-Z, Mn-Z, Fe-Z, and Ru-Z (where Z represents an arbitrary substituent). The one represented by
  • the 2-substituted tetravalent metal e.g. S i-Z 2, G e _Z 2, S n- Z 2, T i _Z 2, C r- Z 2, Z r- Z 2, Mn- Z 2 (where And Z represent any substituents.).
  • Examples of the oxy metal include VO, MnO, and TiO.
  • trivalent metal examples include those represented by A1, In, Ga, Tl, ⁇ , Fe, and Ru.
  • 1-substituted tetravalent metals include, for example, Si-Z, Ge-Z, SnZ, Ti-Z, Cr_Z, Zr-Z, Mn-Z (where Z represents any substituent. )).
  • the second phthalocyanine-based compound those having no central metal, or Mg, Mn, Fe, Co, Ni, Zn, Pd, Sn, Tio, T i- Z 2, Z r- Z 2 , S i _Z 2, G e- Z 2, S n_Z 2, Ga- Z, a 1 - Z, I nZ, F e _Z, preferably has a VO, particularly , Mg, Co, Zn, Sn, Sn—Z 2 , Ga—Z, A 1 _Z, and In—Z are preferable, and especially Mg, Zn, Sn, Sn—Z 2 Are preferred as the central metal.
  • Z is an arbitrary substituent, and among them, a halogen atom, a hydroxyl group, an alkoxy group or an aryloxy group is preferable.
  • a halogen atom such as a fluorine atom, a chlorine atom, and a bromine atom; a carbon number in which an alkyl chain portion such as a methoxy group, an ethoxy group, a butoxy group, and a hexoxy group is linear, branched, or cyclic.
  • Z is a halogen atom
  • a chlorine atom or a bromine atom is particularly preferable.
  • the alkoxy group for Z a methoxy group, an ethoxy group, an n-propoxy group, an isopropoxy group, an n-butoxy group, a tert-butoxy group, A linear or branched alkoxy group having 1 to 4 carbon atoms, such as sec_butoxy group, is preferred.
  • Alryloxy groups include an aryl group bonded to oxygen, and a cyclic carbon group such as a fuel group, a naphthyl group, a pyridyl group, and a quinolyl group. It is preferably a hydrogen group or a heterocyclic group.
  • the second phthalocyanine compound B various compounds having a phthalocyanine skeleton can be used as long as the compound does not have the above-mentioned central metal or is other than Cu.
  • the compound represented by (2) is particularly preferred.
  • M represents 2 H, a divalent metal, a monosubstituted trivalent metal, a disubstituted tetravalent metal, an oxymetal or a lanthanide metal, preferably M g, Z n, 3 11 or 3 11-2 2 (Z represents. optional substitution group).
  • Xi X ⁇ represents an arbitrary substituent containing a hydrogen atom, and M represents a trivalent metal or a monovalent tetravalent metal.
  • the Xi ⁇ X 16 in the general formula (1) each independently represent a hydrogen atom or an arbitrary substituent.
  • Preferred examples of the substituent include a halogen atom, a hydroxyl group, a nitro group, an amino group, an alkylamino group, a cyano group, an alkyl group, an alkoxy group, an alkylthio group, an aryl group, an aryloxy group, an arylthio group, an aralkyl group, Alkenyl group, alkenyloxy group, phenolic carbonyl group, phenolic carbonyl group, alkylcarbonyloxy group, alkylaminocarbonyl group, alkoxyalkyl group, fluoroalkyl group, fluoroalkoxy group, full O-alkylthio group, carboxyl group, formyl group, sulfonic acid group, alkylsulfonyl group, alkylaminosulfonyl group, alkylaminos
  • Examples of the substituent for X i X ⁇ in the general formula (1) include a hydrogen atom, a halogen atom, a hydroxyl group, a nitro group, an amino group, a cyano group, an alkyl group, an alkoxy group, an alkylthio group, an alkenyl group, and an alkenyloxy group.
  • the number of substituents other than hydrogen atoms in X i Xw may be appropriately selected depending on the size of the substituents, etc., but from the viewpoint of weather resistance and heat resistance, in general formula (1), eight or less, Among them, four or less, particularly two or less are most preferable.
  • the phthalocyanine compound B represented by the general formula (2) has a central metal bonded via an oxygen atom and has two phthalocyanine structural parts.
  • the respective phthalocyanine structural parts in the phthalocyanine-based pigment represented by the general formula (2) are the same as those in the general formula (1) described above. That is, the substituents and the number of substitutions represented by Xi X are the same as those described in the general formula (1).
  • the phthalocyanine-based pigments represented by the general formula (2) may have the same or different phthalocyanine structural portions, respectively.
  • the second phthalocyanine-based compound B represented by the general formula (1) or (2) may be used alone, and may be a compound of the compound group represented by the general formula (1) or (2). Two or more types arbitrarily selected from the above may be used in combination.
  • the amount of the second phthalocyanine-based compound B to be added to the blue color filter composition as described above is usually defined assuming that the total weight of this and PB 15: 6 is 100. It is preferably 50 or less, for example, 50 to 0.1, particularly preferably 30 to 1, more preferably 20 to 1, and particularly preferably 10 to 1.
  • phthalocyanine compounds as described above is optional, for example, substituted or unsubstituted derivatives such as phthalonitrile, phthalic acid, phthalic anhydride, phthalimid, diiminoisoindoline, etc.
  • substituted or unsubstituted derivatives such as phthalonitrile, phthalic acid, phthalic anhydride, phthalimid, diiminoisoindoline, etc.
  • a mixture of a compound substituted with a different substituent from those described above is used as a starting material, and the mixture is heated by a known method such as heating with a corresponding metal halide such as a metal chloride or metal bromide. Can be manufactured.
  • a phthalocyanine in which a different substituent is bonded to any benzene nucleus can be synthesized.
  • substituted or substituted products such as phthalonitrinole, phthalic anhydride, phthalimid, diiminoisoindoline, etc.
  • the unsubstituted phthalocyanine may be used as a starting material to synthesize a substituted or unsubstituted phthalocyanine, and then subjected to a reaction such as halogenation, sulfonation, chlorosulfonation, or nitration by a known method.
  • the central metal of the phthalocyanine compound is a trivalent metal such as Ga, A1, or In or a tetravalent metal such as Si or Sn
  • a hydroxyl group for example, Gallium phthalocyanine, chloroanoreminium phthalocyanine, and indium phthalocyanine can be hydrolyzed by a known method.
  • methanol A method of performing heat treatment in an alcohol solvent such as ethanol or ethanol is used.
  • a base such as sodium alkoxide or sodium hydride may coexist in the alcohol solvent.
  • a l, In, S i, S n, etc. of the central metal for example, chromium gallium phthalocyanine, hydroxy gallium phthalocyanine, etc. Is heated in a solvent containing a hydroxy derivative of an aromatic compound or the like.
  • a base such as sodium alkoxide or sodium hydride may coexist in a solvent containing a hydroxy derivative of an aromatic compound.
  • those having a central metal bonded via an oxygen atom and having two phthalocyanine structural parts can be obtained by, for example, synthesizing gallium phthalocyanine or the like after the synthesis.
  • Hydroxygarium phthalocyanine or the like can be obtained by hydrolysis according to a known method, and can be produced by heating and dehydration in an organic solvent.
  • the second phthalocyanine compound may be a dye that is soluble in a common organic solvent or the like, or may be a pigment that is insoluble.
  • the particle size is generally non-uniform after being obtained by synthesis, and in many cases, it is not suitable for use as a color filter composition as it is. Also, some crystal types may be mixed. Therefore, the phthalocyanine or its dimer obtained by the synthesis is usually An operation called pigmentation is performed to adjust the particle size to the crystal form to a desired one.
  • Pigmentation methods include acid paste method in which a pigment is dissolved in a strong acid such as concentrated sulfuric acid, fuming sulfuric acid, chlorosulfonic acid, polyphosphoric acid, or a mixture thereof and poured into a large amount of water to form a fine pigment, Similarly, there is an acid slurry method in which a pigment is dispersed in a strong acid and poured into a large amount of water to produce a fine pigment.
  • a ball mill or a kneader is used, and an inorganic salt such as sodium chloride and a solvent are added to phthalocyanine or a dimer thereof, followed by grinding, and then the inorganic salt and the solvent are removed.
  • a salt milling method for obtaining.
  • the halogen may be substituted by hydroxy or may form a dimer, which may be a mixture of a plurality of compounds.
  • the color filter composition of the present invention contains a pigment, a second phthalocyanine-based compound, and a binder resin and Z or a monomer thereof.
  • a monomer it is preferable to further contain a photopolymerization initiator.
  • a photopolymerization inhibitor, a plasticizer, a storage stabilizer, a surface protective agent, a leveling agent, a coating aid, etc. It may contain additives.
  • the binder resin and its monomer include the following, which may be appropriately selected in consideration of the color filter manufacturing process.
  • the binder resin When the binder resin is used alone, an appropriate one is selected in consideration of the desired image formability and performance, the production method to be adopted, and the like.
  • the binder resin When a binder resin is used in combination with a monomer described below, the binder resin is added for modifying the color filter composition and improving physical properties after photocuring. Therefore, in this case, The binder resin is appropriately selected according to the purpose of improving the properties, film forming properties, developability, adhesiveness, and the like.
  • binder resins include, for example, (meth) acrylic acid, (meth) acrylic acid ester, (meth) acrylamide, maleic acid, (meth) atalonitrile, styrene, vinyl acetate, vinylidene chloride, maleimide and the like.
  • Homogeneous or copolymer polyethylene oxide, polyvinylpyrrolidone, polyamide, polyurethane, polyester, polyether, polyethylene terephthalate, acetylcellulose, nopolak resin, resole resin, polyvinylphenol or polybutylbutyral.
  • binder resins preferred are those containing a carboxy group or a phenolic hydroxyl group in the side chain or main chain. If a resin having these functional groups is used, development with an alkaline solution becomes possible.
  • a resin having a high alkali developability and having a carboxyl group for example, an acrylic acid (co) polymer, a styrene Z maleic anhydride resin, and an acid anhydride-modified resin of nopolak epoxy atalylate are preferable.
  • acrylic resin a (co) polymer containing (meth) acrylic acid or a (meth) acrylic acid ester having a carboxyl group (this is referred to as "acrylic resin" in the present specification). Since this resin is excellent in developability and transparency, and can obtain various copolymers by selecting various monomers, it is extremely advantageous in terms of controlling the performance and production method. is there.
  • acrylic resin examples include (meth) acrylic acid, and Z or succinic acid (21- (meth) atalyloloxixi ester, adipic acid (2-atariloic kisechyl) ester, phthalic acid (2- ( (Meth) acryloy mouth xicetyl) ester, hexahydrofrphthalic acid (2- (meth) atalyloy mouth xicetyl) ester, maleic acid (2- (meta) ataryloy mouth kissille) ester, succinic acid (2-((meth) acrylate) Leuroxypropyl) ester, adipic acid (2- (meth) acrylyloxypropyl) ester, hexahydrophthalenoleic acid (2- (meth) atali loyloxypropyl) ester, phthalic acid (2- (meth) atari Leiloxy Pro Pill) ester, maleic acid (2- (meth) atalylo
  • Styrene monomers such as styrene and vinyl toluene; cinnamic acid, maleic acid, fumaric acid, maleic anhydride And carboxylic acids containing unsaturated groups such as itaconic acid; methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, aryl (meth) acrylate, butyl (meth) acrylate, 2- Ethylhexyl (meth) acrylate, hydroxyxetyl (meth) acrylate, hydroxypropyl (meth) acrylate, benzyl (meth) acrylate, hydroxyphenyl (meth) acrylate, methoxy phenyl (meth) acrylate Ester of (meth) acrylic acid, etc .; (meta) acrylic acid added with ratatones such as ⁇ -force prolatatatone, / 3-propiolatatotone, ⁇ -petit
  • Monomers having a phenyl group such as (meth) acrylate, hydroxyphenyl (meth) acrylate, methoxyphenyl (meth) acrylate, hydroxyphenyl (meth) acrylamide, and hydroxyphenyl (meth) acrylsulfamide.
  • acryl-based resin 2 monomers of one at least member selected from the group 9 0 molar 0/0, preferably 2 0-8 0 mol%, more preferably copolymerized in a proportion of 3 0-7 0 mole 0/0
  • the acryl-based resin is preferably used.
  • (meth) acrylic acid means “acrylic acid or methacrylic acid”
  • (meth) atalylate, (meth) atalyloyl group and the like have the same meaning.
  • these resins preferably have an ethylenic double bond in a side chain.
  • a pinda resin having a double bond in the side chain the photocurability of the composition for a color filter according to the present invention is increased, so that the resolution and adhesion can be further improved.
  • Means for introducing an ethylenic double bond into the binder resin include, for example, a method described in JP-B-50-34443, JP-B-50-34444, etc.
  • a compound such as methinole (meth) atalilate, (meth) acrylic acid chloride, or (meth) aryl chloride
  • a resin having a carboxyl group or a hydroxyl group an ethylenic double bond group is formed on the side chain.
  • a resin obtained by reacting an alicyclic epoxy compound such as (3,4-epoxycyclohexyl) methyl (meth) acrylate is preferable as the binder resin.
  • an ethylenic double bond is introduced into a resin having a carboxylic acid group or a hydroxyl group in advance, 2 to 50 mol%, preferably 5 to 40 mol% of the carboxyl group or the hydroxyl group of the resin has an ethylenic property. It is preferable to bond a compound having a double bond.
  • the preferred range of the weight average molecular weight of these acrylic resins measured by GPC is from 1,000 to 100,000. If the weight average molecular weight is less than 1,000, it is difficult to obtain a uniform coating film, and if it exceeds 100,000, the developability tends to decrease.
  • the preferred range of the content of the carboxylic acid group is 5 to 200 in terms of acid value. If the acid value is 5 or less, it becomes insoluble in an alkali developer, and if it exceeds 200, the sensitivity may decrease.
  • binder resins are contained in the composition of the present invention in an amount of usually from 10 to 80% by weight, preferably from 20 to 70% by weight, based on the total solid content.
  • the monomer contained in the composition for a color filter according to the present invention is not particularly limited as long as it is a polymerizable low-molecular compound. , "Ethylenic compounds”) are preferred.
  • the ethylenic compound is a compound having an ethylenic double bond such that when the composition of the present invention is irradiated with actinic rays, it undergoes addition polymerization and cures by the action of a photopolymerization initiation system described below.
  • the monomer refers to a concept corresponding to a so-called polymer substance, and refers to a concept including a dimer, a trimer, and an oligomer in addition to a monomer in a narrow sense.
  • Examples of the ethylenic compound include an unsaturated carboxylic acid, an ester thereof and a monohydroxy compound, an ester of an aliphatic polyhydroxy compound and an unsaturated carboxylic acid, an ester of an aromatic polyhydroxy compound and an unsaturated carboxylic acid, Ester, polyisocyanate compound obtained by esterification reaction between unsaturated carboxylic acid and polyvalent carboxylic acid and the above-mentioned polyvalent hydroxy compound such as aliphatic polyhydroxy compound and aromatic polyhydroxy compound.
  • An ethylenic compound having a urethane skeleton reacted with an acryloyl-containing hydroxy compound is exemplified.
  • ester of an aliphatic polyhydroxy compound and an unsaturated carboxylic acid examples include ethylene glycolonoresia tallate, triethylene glycolonoresia tallate, trimethylolpropane triatalylate, trimethylol ethane triatalylate, and pentaerythritol.
  • acrylates such as diacrylate, pentaerythritol triatalylate, pentaerythritol tetraacrylate, dipentaerythritol tetraacrylate, dipentaerythritol tonolepentaacrylate, dipentaerythritol hexacrylate, and glycerol acrylate.
  • the acrylic acid portion of these acrylates is replaced with a methacrylic acid ester replaced with a methacrylic acid portion, an itaconic acid ester replaced with an itaconic acid portion, a crotonic acid ester replaced with a lactolic acid portion, or a maleic acid portion.
  • the substituted maleic acid ester is exemplified.
  • ester of an aromatic polyhydroxy compound and an unsaturated carboxylic acid examples include hydroquinone diatalylate, hydroquinone dimethacrylate, resonoresin dimethacrylate, resorcin dimethacrylate, and pyrogallol triatalylate.
  • the ester obtained by the esterification reaction of the unsaturated carboxylic acid with the polyhydric carboxylic acid and the polyhydric hydroxy compound is not necessarily a single substance, but may be a mixture.
  • Typical examples are condensates of acrylic acid, phthalic acid and ethylene glycol, condensates of acrylic acid, maleic acid and diethylene glycol, methacrylic acid, telef. Condensates of tallic acid and pentaerythritol, acrylic acid, adipine And condensates of acid, butanediol and glycerin.
  • Examples of the ethylenic compound having a urethane skeleton obtained by reacting a polyisocyanate compound with a (meth) atalyloyl group-containing hydroxy compound include aliphatic disocyanates such as hexamethylene diisocyanate and trimethylhexamethylene diisocyanate; Alicyclic diisocyanates such as hexane diisocyanate and isophorone diisocyanate; aromatic diisocyanates such as tolylene diisocyanate and diphenylmethane diisocyanate; 2-hydroxyethyl acrylate; 2-hydroxyxetite / Remethacrylate, 3-hydroxy (1, 1, 1 _ Reaction products with a (meth) atalyloyl group-containing hydroxy compound such as triacryloyloxymethyl) propane and 3-hydroxy (1,1,1-trimethacryloyloxymethyl) propane.
  • aliphatic disocyanates such as hexamethylene diiso
  • ethylenic compound used in the present invention examples include acrylamides such as ethylene bisacrylamide; aryl esters such as diaryl phthalate; and compounds containing a butyl group such as divinyl phthalate.
  • the blending ratio of these ethylenic compounds is usually 5 to 80% by weight, preferably 10 to 80% by weight, more preferably 10 to 70% by weight, particularly preferably 10 to 70% by weight, based on the total solid content of the composition of the present invention. Preferably 20 to 70 weight. / 0 .
  • composition for a color filter according to the present invention contains (b) an ethylenic compound as a monomer, it directly absorbs light or is exposed to light to cause a decomposition reaction or a hydrogen abstraction reaction, thereby causing polymerization. It is preferable to include a photopolymerization initiation system having a function of generating an active radical.
  • the photopolymerization initiation system used in the present invention is usually constituted by a system in which an additive such as an accelerator is used in combination with a photopolymerization initiator.
  • photopolymerization initiator examples include, for example, a meta-mouth compound containing a titanocene compound described in JP-A-59-152396, JP-A-61-151197, and the like.
  • Hexaarylubimidazole derivatives such as 2- (2,1-chlorophenyl) -4,5-diphenylimidazole described in Japanese Unexamined Patent Publication No. 10-39503, and nodromethyl-s-triazine derivatives
  • radical activators such as N-aryl CK-amino acids such as N-phenylglycine, N-aryl-1 ⁇ -amino acid salts, and polyaryl_ ⁇ -amino acid esters.
  • Examples of the accelerator include ⁇ , ⁇ -dialkylaminobenzoic acid alkyl esters such as ⁇ , ⁇ -dimethylaminobenzoic acid ester, 2-mercaptobenzozothiazole, 2-menolecaptobenzozoxazole, 21-mercaptobenzoimidazole and the like.
  • a mercapto compound having a heterocyclic ring or an aliphatic polyfunctional mercapto compound is used.
  • the photopolymerization initiator and the additive may be used in combination of a plurality of types.
  • the compounding ratio of the photopolymerization initiation system is usually 0.1 to 30% by weight in the total solid content of the composition of the present invention.
  • / 0 preferably 0.5 to 20% by weight, more preferably 0.7 to 10% by weight. If the mixing ratio is extremely low, the sensitivity is lowered. On the other hand, if the mixing ratio is extremely high, the solubility of the unexposed portion in the developing solution is reduced, and poor development is easily induced.
  • the composition for a color filter of the present invention uses an acrylic resin having a binder resin and an ethylenic compound in combination, and the binder resin having an ethylenic double bond and a carboxyl group in a side chain.
  • the sensitivity and resolution are very high, it is possible to form an image by exposing and developing without forming an oxygen barrier layer such as polyvinyl alcohol when creating a color filter. preferable.
  • the blending ratio of the acrylic resin having an ethylenic double bond and a hydroxyl group in the side chain in the color filter composition is 10 to 80% by weight of the total solids of the composition
  • the compounding ratio is preferably from 10 to 80% by weight of the total solids of the composition
  • the compounding ratio of the polymerization initiation system is preferably from 0.1 to 30% by weight of the total solids of the composition.
  • a sensitizing dye corresponding to the wavelength of the image exposure light source can be blended.
  • sensitizing dyes examples include the xanthene dyes described in JP-A-4-1221958 and JP-A-2199756, JP-A-3-239703, and JP-A-5-289333.
  • the dyes having a dialkylaminobenzene skeleton described in JP-A-767-1, JP-A-5-210240 and JP-A-4-18888 can be used.
  • Preferred among these sensitizing dyes are amino group-containing dyes, Preferred are compounds having an amino group and a phenyl group in the same molecule. Particularly preferred are, for example, 4,4'-dimethylaminobenzophenone, 4,4'-I-Jet / reaminobenzophenone, 2-aminobenzophenone, 4-aminobenzophenone, 4,4'-diaminobenzophenone, 3,4 '3'-Benzophenone compounds such as diaminobenzophenone and 3,4 diaminobenzophenone; 2- (p-dimethylaminophenol) benzoxazole, 2- (p-jetylaminopheninole) benzoxazonole , 2- (p-dimethinoleaminopheninole) benzo [4,5] benzoxazonole, 2- (p-dimethinoleaminopheno-nole) benzo [6,7] benzoxazole, 2 ,
  • the sensitizing dye rather preferably is from 0.2 to 1 5 weight 0/0, more preferably from 0.5 to 1 0 weight %.
  • the color filter composition according to the present invention may contain another coloring material such as a dye, if necessary. These dyes are added according to the tint of the image to be formed, but the amount of addition is usually within a range that does not impair the high brightness and color purity that are the characteristics of the phthalocyanine pigment according to the present invention. ing.
  • the total compounding ratio of the pigment used in the present invention, and the other color material components that are optionally mixed with the second phthalocyanine compound is from 1 to 70 times the total solid content of the composition of the present invention.
  • the dye examples include azo dyes, anthraquinone dyes, phthalocyanine dyes, quinonymine dyes, quinoline dyes, nitro dyes, carbonyl dyes, methine dyes, and the like.
  • azo dyes examples include C.I. Acid Yellow 11, C.I. Acid Orange 7, C.I. Acid Red 37, C.I. Acid Red 180, C.I. I. Acid Blue 29, C.I.Direct Red 28, C.I.Direct Tread 83, C.I.Direct Yellow 12, C.I.Direct Orange 26, C.I.Direct Green 28, C.I. Direct Green 59, C.I. Reactive Yellow 2, C.I. Reactive Red 17, C.I. Reactive Red 120, C.I. Reactive Black 5, C.I.Disperse Orange 5, C.I.Dispersed 58, C.I.Disperse Blue 165, C.I.Basic Punolay 41, C.I.Basic Red 18.8, C.I. Moldant Red 7, C.I. Monoredient Toyro 5, C.I. Moldant Black 7, and the like.
  • anthraquinone dyes examples include C.I. Not Blue 4, C.I. Acid Blue 40, C.I. Acid Green 25, C.I. Reactive Blue 19, C.I. 49, C.I. Disperse Thread 60, C.I. Disperse Pull 56, C.I.
  • phthalocyanine dyes for example, C.I. Pad Blue 5 equivalent quinone imine dyes, for example, C.I. Basic Blue 3, C.I. Basic Pull 19, etc.
  • quinone imine dyes for example, C.I. Basic Blue 3, C.I. Basic Pull 19, etc.
  • quinoline dyes for example, C.I. Solvent Yellow 33, C.I. Acid Yellow 3, C.I. Disperse Yellow 64, and the like can be used as nitro dyes, for example, C.I. Acid Yellow 1, C.I. Acid Orange 3, C.I. Desperso Yellow 42 and the like.
  • the color filter composition of the present invention further comprises a thermal polymerization inhibitor, a plasticizer, if necessary.
  • Storage stabilizers, surface protection agents, leveling agents, coating aids, and other additives can be added.
  • thermal polymerization inhibitor for example, hydroquinone, p-methoxyphenol, pyrogallonole, terephthalate, 2,6-t-butynole-p-cresol, and] 3-naphthol are used.
  • the amount of the thermal polymerization inhibitor is preferably in the range of 0 to 3% by weight based on the total solid content of the composition.
  • plasticizer examples include octyl phthalate, didodecyl phthalate, triethylene glycol cornorecaprylate, dimethyl dalicol phthalate, tricresinole phosphate, octinorea dipate, dibutino resevagate, and triacetyl glycerin. Used.
  • the amount of these plasticizers is preferably in the range of 10% by weight or less based on the total solid content of the composition.
  • composition for a color filter of the present invention may optionally contain an adhesion promoter, a coatability improver, a development improver, and the like in addition to the above-described components.
  • the composition for a color filter of the present invention may be used by dissolving it in a solvent for adjusting the viscosity or dissolving additives such as a photopolymerization initiation system.
  • the solvent may be appropriately selected according to the constituent components of the composition, such as (a) a binder resin and (b) a monomer.
  • solvent examples include diisopropyl ether, mineral spirit, n-pentane, amyl ether, ethynolecaprylate, n-hexane, getinol ether, isoprene, ethyl isobutyl ether, butyl stearate, n-octane, and Nolesonore # 2, Apco # 18 Solvent, disobutylene, amyl acetate, butyl acetate, apco thinner, butyl ether, disobutyl ketone, methinoresic hexene, methyl nonyl ketone, propyl ether, dodecane, sodecorsolvent No.
  • composition for a color filter according to the present invention and a method for producing the color filter of the present invention using the composition will be described.
  • a pigment coloring material
  • a dispersion treatment is carried out using a paint conditioner, a sand grinder, Bono Reminore, Lono Reminore, Stone Minore, Jet Minore, homogenizer, or the like. Permeation because the pigment becomes fine particles by the dispersion treatment An improvement in light transmittance and an improvement in coating characteristics are achieved.
  • the dispersion treatment is preferably performed in a system in which a pigment (coloring material) and a solvent are appropriately used in combination with a binder resin having a dispersing function, a dispersant such as a surfactant, and a dispersion aid.
  • a pigment coloring material
  • a solvent having a dispersing function
  • a dispersant such as a surfactant
  • a dispersion aid it is preferable to use a polymer dispersant because the dispersion stability with time is excellent.
  • the dispersion treatment when the dispersion treatment is performed using a sand grinder, it is preferable to use glass beads or zirconia beads having a diameter of 0.1 to several millimeters as a medium.
  • the temperature during the dispersion treatment is usually set in the range of 0 ° C. to 100 ° C., preferably room temperature to 80 ° C.
  • the appropriate dispersion time depends on the composition of the ink (pigment (coloring material), solvent, dispersant), and the size of the sand grinder, and must be adjusted accordingly.
  • the colored ink obtained by the dispersion treatment is mixed with a binder resin, a monomer, a photopolymerization initiation system, and the like to form a uniform solution.
  • fine dust is often mixed, so that the obtained solution is preferably filtered by a filter or the like.
  • the color filter of the present invention can be usually manufactured by forming red, green, and blue pixel images on a transparent substrate provided with black matrices.
  • the material of the transparent substrate is not particularly limited.
  • the material include a thermoplastic resin sheet such as a polyester resin such as polyethylene terephthalate, a polyolefin such as polypropylene and polyethylene, a thermoplastic plastic sheet such as polycarbonate, polymethyl methacrylate, and polysulfone, an epoxy resin, an unsaturated polyester resin, and a poly (meth) acrylic material.
  • a thermosetting plastic sheet such as a resin, or various glass plates. Among them, a glass plate and a heat-resistant plastic sheet are preferable from the viewpoint of heat resistance.
  • corona discharge treatment Prior to the formation of a black matrix, corona discharge treatment, ozone treatment, silane coupling agent, and thin film treatment of various polymers such as retane polymer are performed on the transparent substrate prior to the formation of the black matrix. You may keep it.
  • black matrix For black matrix, use metal thin film or black matrix pigment dispersion Then, it is formed on a transparent substrate.
  • a black matrix using a metal thin film is formed of, for example, a single layer of chromium or two layers of chromium and chromium oxide.
  • a thin film of these metals or metal / metal oxides is formed on a transparent substrate by vapor deposition or sputtering.
  • the photosensitive film is exposed and developed using a photomask having a repeating pattern such as stripes, mosaic, and triangular to form a resist image.
  • the thin film is etched to form a black matrix.
  • a black matrix is formed using a photosensitive resin composition containing a black colorant.
  • a black colorant for example, use one or more black color materials such as carbon black, bone black, graphite, iron black, aniline black, cyanine black and titanium black, or use inorganic or organic pigments or dyes.
  • a photosensitive resin composition containing a black color material by mixing appropriately selected red, green, blue, etc., a black matrix is formed in the same manner as in the method of forming a red, green, and blue pixel image described below.
  • the composition for a color filter of the present invention can be used as the photosensitive resin composition for the black matrix.
  • a composition for a color filter containing one of red, green and blue color materials is applied and dried, and then a photomask is placed on the composition, and the photomask is placed on the composition.
  • a pixel image is formed by image exposure, development, and, if necessary, heat curing or light curing through a mask to form a colored layer. This operation is performed for each of the three color filter compositions of red, green, and blue to form a color filter image.
  • the composition for a color filter of the present invention can be used as a composition for a color filter for red, green or blue.
  • composition for a color filter can be performed by a coating device such as a spinner, a wire bar, a flow coater, a die coater, a Rhono recorder or a spray.
  • a coating device such as a spinner, a wire bar, a flow coater, a die coater, a Rhono recorder or a spray.
  • Drying after application may be performed using a hot plate, IR open, competition open, or the like.
  • the higher the drying temperature the better the adhesion to the transparent substrate
  • the temperature is usually in the range of 50 to 200 ° C, preferably 50 to 150 ° C.
  • the drying time is in the range of 10 seconds to 10 minutes, preferably 30 seconds to 5 minutes.
  • the thickness of the coating film of the composition for a color filter after drying is usually in the range of 0.5 to 3111, and particularly preferably in the range of 1 to 2 im.
  • the exposure light source applicable to the color filter composition of the present invention is not particularly limited.
  • a xenon lamp, a halogen lamp, a tungsten lamp, a high-pressure mercury lamp, an ultra-high-pressure mercury lamp, a metal hydride lamp, a medium Lamp light sources such as high pressure mercury lamps, low pressure mercury lamps, carbon arcs, fluorescent lamps, and laser light sources such as argon lasers, YAG lasers, excimer lasers, nitrogen lasers, helium force lasers, and semiconductor lasers are used.
  • an optical filter can be used.
  • composition for a color filter of the present invention after performing image exposure with such a light source, is developed with an organic solvent or an aqueous solution containing a surfactant and an alkaline agent, thereby forming an image on a substrate.
  • This aqueous solution may further contain an organic solvent, a buffer, a dye or a pigment.
  • the development method it is usually carried out at a development temperature of 10 to 50 ° C, preferably 15 to 45 ° C, by immersion development, spray development, brush development, ultrasonic development, or the like. Is used.
  • inorganic amines such as trimethylamine, getylamine, isopropylamine, n-butylamine, monoethanolamine, diethanolamine, triethanolamine, tetraalkylammonium hydroxide, etc. These can be used alone or in combination of two or more.
  • surfactant examples include polyoxyethylene alkyl ethers, polyoxyethylene alkynoleyl ethers, and polyoxyethylene alkynolees.
  • Nonionic surfactants such as ters, sorbitan alkyl esters, and monoglyceride alkyl esters; anionic properties such as alkyl benzene sulfonates, alkyl naphthalene sulfonates, alkyl sulfates, alkyl sulfonates, sulfosuccinate salts, etc.
  • Surfactants; amphoteric surfactants such as alkyl betaines and amino acids can be used, and these can be used alone or in combination of two or more.
  • organic solvent when used alone or in combination with an aqueous solution, for example, isopropyl alcohol, benzyl alcohol, ethyl sorb, butyl sorb, ferrous sorb, propylene glycolone, diacetone alcohol, etc. These can be used alone or in combination of two or more.
  • the color filter of the present invention can also be manufactured by a method of applying a polyimide resin composition containing the phthalocyanine compound and forming a pixel image by an etching method, in addition to the above method. Further, a method of forming a pixel image directly on a transparent substrate by a printing machine using the resin composition containing the phthalocyanine compound as a coloring ink, and an electrodeposition liquid comprising the resin composition containing the phthalocyanine compound It can also be manufactured by a method in which a colored film is deposited on an ITO electrode having a predetermined pattern by immersion in a predetermined pattern.
  • a method in which a film coated with the resin composition containing the phthalocyanine-based compound is adhered to a transparent substrate and peeled off to form a pixel image by image exposure and development, and an inkjet printer using an ink containing the phthalocyanine-based compound is used. It can also be manufactured by an image forming method or the like. The production method used is more suitable for the composition of the color filter composition.
  • a 1 C 1 -phthalocyanine (A 1 C 1 Pc) was obtained in the same manner as in Production Example 1, except that phthalic anhydride was used instead of 4,5-dichlorophthalic anhydride.
  • Production Example 9
  • G a C 1 -tetramethyl phthalocyanine (G a C 1 P) was prepared in the same manner as in Production Example 10 except that 4-methyl phthalonitrile was used instead of phthalonitrile, and gallium chloride was used instead of magnesium chloride. It was obtained c (CH 3) 4).
  • Production Example 23 Preparation 18 obtained in G e C 1 2 - phthalocyanine (G e C 1 2 P c ), in pyridine plus hydroxide sodium solution was heated for 5 hours at 145 ° C, filtered, washed with water As a result, Ge (OH) 2 -phthalocyanine (Ge (OH) 2 Pc) was obtained. Synthesis of rendering resin]
  • the reaction solution was reprecipitated in water and dried to obtain a resin.
  • the weight average molecular weight of this resin measured by GPC was 25,000, and the acid value of the resin was 80 mgKOH / g by neutralization titration with KOH.
  • a dispersion treatment was performed for 6 hours using a paint conditioner, and then the beads were removed by filtration to obtain a yellow pigment-dispersed ink.
  • Production Example 49 Preparation of comparative green pigment dispersion ink
  • a comparative green pigment-dispersed ink was prepared in the same manner as in Production Example 25 except that S-5000 (Cu phthalocyanine derivative manufactured by Abishia) represented by the following structural formula was used in place of A 1 C 1-otatachlorophthalocyanine. Obtained.
  • PB15 BYK-161 in 60.0 parts (Polymer dispersant manufactured by BYK-Chemie Co., solid content concentration 30% dissolved) 33.4 parts, Propylene dalicol monomethyl ether acetate 36. 6 parts were added and dispersed for 8 hours with a paint conditioner to obtain a comparative blue pigment dispersion ink 1.
  • Production Example 55 Preparation of comparative blue pigment dispersion ink 2
  • PB15 69.0 parts and S—12000 (Cu phthalocyanine derivative manufactured by Avicia) represented by the following structural formula: 1.
  • 0 parts are BYK—161 (Bik Chemi Corporation high molecular dispersant) 33.4 parts and 36.6 parts of propylene glycol monomethyl ether acetate were added, and the mixture was dispersed with a paint conditioner for 8 hours to obtain a comparative blue pigment dispersion ink 3.
  • Dispersion aid Dispersion 1 was obtained in the same manner as in Production Example 57 except that the Mg-phthalocyanine obtained in Production Example 10 was used instead of C.I.
  • Production Example 5 9 (Preparation of Dispersion Aid Dispersion Ink 2) Pigment Red 254 was replaced with S—500 (Aucia's Cu phthalocyanine derivative) used in Production Example 49 in the same manner as in Production Example 57, except that C—I. Thus, Dispersion Aid Dispersion Ink 2 was obtained.
  • Example 1 Preparation of Dispersion Aid Dispersion Ink 2
  • a green color filter was prepared in the same manner as in Example 1 except that the green pigment dispersion inks 2 to 23 prepared in Production Examples 26 to 47 were used as the green pigment dispersion inks. One was made.
  • Reference example 1
  • a yellow color filter was produced in the same manner as in Example 1, except that the yellow pigment-dispersed ink prepared in Production Example 48 was used as the pigment-dispersed ink. Comparative Example 1
  • a green color filter was produced in the same manner as in Example 1, except that the comparative green pigment dispersion prepared in Production Example 49 was used as the green pigment dispersion.
  • the transmission spectrum was measured, and the transmission spectrum of each of Examples 1 to 23 and Comparative Example 1 was measured.
  • the CCM calculation was performed using the CCM system “AUCOLOR-T2” manufactured by Kurashiki Spinning Co., Ltd. based on the torque data and the transmission spectrum data of Reference Example 1, and the results are shown in Table 1.
  • Table 1 shows that a green color filter having a high Y value can be obtained according to the present invention.
  • a blue color filter was produced in the same manner as in Example 24 except that the blue pigment-dispersed ink 2 of the present invention prepared in Production Example 51 was used for the blue pigment-dispersed ink.
  • Example 26
  • a blue color filter was prepared in the same manner as in Example 24 except that the blue pigment-dispersed ink 3 of the present invention prepared in Production Example 52 was used for the blue pigment-dispersed ink.
  • a blue color filter was produced in the same manner as in Example 24 except that the blue pigment-dispersed ink 4 of the present invention prepared in Production Example 53 was used for the blue pigment-dispersed ink. Comparative Example 2
  • a blue color filter was produced in the same manner as in Example 24, except that the comparative pigment-dispersed ink 1 prepared in Production Example 54 was used as the blue pigment-dispersed ink. Comparative Example 3
  • a blue color filter was produced in the same manner as in Example 24, except that the comparative pigment dispersion ink 2 prepared in Production Example 55 was used as the blue pigment dispersion ink. Comparative Example 4
  • a blue color filter was produced in the same manner as in Example 24, except that the comparative pigment dispersion ink 3 prepared in Production Example 56 was used as the blue pigment dispersion ink.
  • the absorbance of the blue color filters of Examples 24 to 27 and Comparative Examples 2 to 4 was measured using a spectrophotometer “U-350” manufactured by Hitachi, Ltd. After performing a correction calculation so that AEab is minimized in the C CM system “chronia-calc” manufactured by Datacolorinternational, absorbance ratio A (absorbance at wavelength 460 nm / absorbance at wavelength 6100 nm) Absorbance) and absorbance ratio B (absorbance at wavelength 450 nm / absorbance at wavelength 540 nm) were determined. The results are shown in Table 2. Table 2
  • the blue color filters of the present invention of Examples 24 to 27 have smaller absorbance ratios A than Comparative Examples 2 to 4, and particularly, Examples 24, 25, and 27 have absorbance ratios A and It can be seen that the absorbance ratio B was small for all.
  • the viscosity was measured on the vertical axis (PaS) and the shear stress was measured on the horizontal axis (Pa).
  • the color filter composition of the present invention can provide a high brightness color filter.
  • PG7 and P By using G36 in combination with a phthalocyanine-based compound having no central metal or different from PG7 and PG36, a color filter with high light transmittance and high brightness can be provided.
  • CI Pigment Blue 15: 6 is used as a pigment, and there is no center metal or the center metal is CI Pigment Blue 15: 6.
  • a phthalocyanine-based compound different from 6 the absorbance ratio at wavelengths of 460 nm and 610 nm, and further, the absorbance ratio at wavelengths of 450 nm and 540 nm can be reduced.
  • a color filter having high brightness and high color purity can be provided.

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Abstract

L'invention concerne une composition pour filtres colorés à haute luminosité et des filtres colorés fabriqués à l'aide de cette composition. Cette composition comprend un pigment, une résine liante et/ou un monomère et un ou plusieurs éléments sélectionnés dans le groupe comprenant des composés de phtalocyanine sans atome central et ceux présentant des atomes centraux, à l'exception du cuivre.
PCT/JP2001/010750 2000-12-22 2001-12-07 Composition pour filtres colores et filtres colores WO2002052307A1 (fr)

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JP2000-390937 2000-12-22
JP2000390937 2000-12-22
JP2001239423 2001-08-07
JP2001-239423 2001-08-07
JP2001276818 2001-09-12
JP2001-276818 2001-09-12
JP2001-353429 2001-11-19
JP2001353429A JP4592239B2 (ja) 2000-12-22 2001-11-19 カラーフィルター用組成物及びカラーフィルター

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DE102009034189A1 (de) * 2009-07-17 2011-01-20 Berthold, Herwig, Dr. Neuartige, substituierte Phtalocyanin- und Azaphthalocyaninderivate, ihr Gebrauch und Verfahren zur Herstellung
WO2016072259A1 (fr) * 2014-11-04 2016-05-12 富士フイルム株式会社 Composition durcissable colorée, filtre de couleur, procédé de formation de motif, procédé de production de filtre de couleur, dispositif d'imagerie à semi-conducteurs, et dispositif d'affichage d'images
CN105017263A (zh) * 2015-06-16 2015-11-04 南方科技大学 一种金属酞菁纳米晶、其制备方法和晶体管应用
WO2016201797A1 (fr) * 2015-06-16 2016-12-22 南方科技大学 Nanocristal de phtalocyanine de métal, son procédé de préparation et applications de celui-ci dans des transistors
WO2018186182A1 (fr) * 2017-04-03 2018-10-11 Dic株式会社 Composition de pigment pour filtre coloré et filtre coloré
JP6455748B1 (ja) * 2017-04-03 2019-01-23 Dic株式会社 カラーフィルタ用顔料組成物及びカラーフィルタ
CN110402404A (zh) * 2017-04-03 2019-11-01 Dic株式会社 滤色器用颜料组合物和滤色器
TWI745571B (zh) * 2017-04-03 2021-11-11 日商迪愛生股份有限公司 彩色濾光片用顏料組成物及彩色濾光片

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