KR20150108613A - Colored photosensitive resin composition and color filter using the same - Google Patents

Abstract

The present invention relates to a colored photosensitive resin composition and, more specifically, to a colored photosensitive resin composition for a color filter used for producing a color filter which is used in a color liquid crystal display or the like and a color filter produced by using the same. A color filter produced by a colored photosensitive resin composition of the present invention which makes little color difference and has an excellent adhesion property and an excellent transmittance, an especially excellent luminance where pattern separation does not occur.

Description

TECHNICAL FIELD [0001] The present invention relates to a colored photosensitive resin composition and a color filter using the colored photosensitive resin composition.

The present invention relates to a colored photosensitive resin composition, and more particularly, to a colored photosensitive resin composition for a color filter used for producing a color filter used in a color liquid crystal display device or the like, and a color filter manufactured using the same.

BACKGROUND ART [0002] Color filters are widely used in imaging devices, liquid crystal display devices, and the like, and their application range is rapidly expanding. A color filter used for a color liquid crystal display device, an image pickup device, or the like is a device for uniformly applying a colored photosensitive resin composition containing a coloring agent corresponding to each color of red, green and blue on a substrate on which a black matrix is pattern- The coating film formed by heating and drying (hereinafter also referred to as preliminary firing) may be exposed and developed, and if necessary, further heat curing (hereinafter also referred to as post-firing) may be repeated for each color, Color pixels are formed.

On the other hand, a method of manufacturing a color filter excellent in processability and product reliability for improving productivity in a manufacturing process of a liquid crystal display device and the like has been continuously studied. However, conventional colored photosensitive resin compositions still have problems such as sensitivity and adhesiveness, and thus a colored photosensitive resin composition that overcomes such problems is required.

Further, in recent years, there has been a strong demand for higher brightness of the display panel reflecting the increase in the quality of the color image pickup tube device, the color liquid crystal display device, and the like and the expansion of applications. Accordingly, various studies have been made to increase the luminance of each of the blue, red or green photosensitive resin compositions. However, since the available colors of the photosensitive resin composition providing the red pixel are limited, There is inevitably a limit to the method of improving it. For example, Korean Laid-Open Patent Application No. 10-2009-0041338 discloses a colored photosensitive resin composition for a color filter having high luminance, but is limited to a photosensitive resin composition for a blue color filter capable of forming a blue pixel other than red .

Korea Patent Publication No. 10-2009-0041338

Accordingly, it is an object of the present invention to provide a photosensitive resin composition which is excellent in sensitivity and adhesion, has no peeling off of the panel during the development process, and can obtain a color filter having excellent transmittance and less color shift in red and excellent luminance .

The present invention comprises a colorant (A), an alkali-soluble resin (B), a photopolymerizable compound (C), a photopolymerization initiator (D), an antioxidant (E), a nucleating agent (F) The nucleating agent (F) is a compound represented by the following general formula (1).

[Chemical Formula 1]

In one embodiment of the present invention, the colorant (A) comprises at least one pigment (a1) and at least one dye (a2), wherein at least one of the pigment (a1) and the at least one dye (a2) Either one may be red.

Another embodiment may be one having a phenolic antioxidant functional group and a phosphorus antioxidant functional group at the same time in one molecule of the antioxidant (E), or a phenolic antioxidant functional group and a phenolic antioxidant functional group simultaneously.

In another embodiment, the coloring agent (A) is contained in an amount of 5 to 60 wt%, the alkali-soluble resin (B) is contained in an amount of 10 to 80 wt% based on the total solid weight of the colored photosensitive resin composition, (C) is contained in an amount of 5 to 45% by weight and the photopolymerization initiator (D) is contained in an amount of 0.1 to 40% by weight based on the total weight of the solid content of the alkali-soluble resin (B) and the photopolymerizable compound (C) (E) comprises 1 to 100% by weight based on the solid content of the photopolymerization initiator (D), the nucleating agent (F) comprises 1 to 100% by weight based on the solid content of the photopolymerization initiator (D) (G) may be contained in an amount of 60 to 90% by weight based on the total weight of the colored photosensitive resin composition.

In another embodiment, the content of the dye (a2) in the colorant (A) may be 0.5 to 80% by weight based on the total weight of the solid content of the colorant (A).

In another embodiment, the colorant (A) further comprises a pigment dispersant (a3), and the content of the pigment dispersant (a3) may be 5 to 60 parts by weight based on 100 parts by weight of the solid content of the pigment (a1).

In another embodiment, the acid value of the alkali-soluble resin (B) may be 30 to 150 mgKOH / g.

In another embodiment, the photopolymerization initiator (D) is at least one compound selected from the group consisting of an acetophenone compound, a benzophenone compound, a triazine compound, a nonimidazole compound, an oxime compound and a thioxanthone compound May include.

The present invention also provides a color filter made of a colored photosensitive resin composition.

The color filter manufactured from the colored photosensitive resin composition of the present invention is excellent in adhesion, is free from peeling of the pattern, has a small color difference, and is excellent in transmittance and particularly excellent in luminance.

Hereinafter, the present invention will be described in detail.

The present invention comprises a colorant (A), an alkali-soluble resin (B), a photopolymerizable compound (C), a photopolymerization initiator (D), an antioxidant (E), a nucleating agent (F) The nucleating agent (F) is a compound represented by the general formula (1).

The colored photosensitive resin composition of the present invention contains the compound represented by the above formula (1), thereby exhibiting excellent adhesion in the production of a color filter, no peeling of the pattern, less color difference, and excellent transparency.

Hereinafter, each configuration will be described in more detail.

The colorant (A)

The colorant (A) comprises at least one kind of pigment (a1) and at least one kind of dye (a2) as essential components, and may further comprise a pigment dispersant (a3). Specifically, a pigment dispersion composition containing a pigment and / or a pigment dispersant may be prepared and then used together with the dye.

Pigment ( a1 )

The pigment may be an organic pigment or an inorganic pigment generally used in the art.

The organic pigments may be various pigments used in printing ink, ink jet ink, etc. Specific examples thereof include water-soluble azo pigments, insoluble azo pigments, phthalocyanine pigments, quinacridone pigments, isoindolinone pigments, An anthanthrone pigment, an indanthrone pigment, a pravanthrone pigment, a pyranthrone pigment, an anthanthrone pigment, an anthanthrone pigment, an anthanthrone pigment, an anthanthrone pigment, a pyranthrone pigment, A pyranthrone pigment, a diketopyrrolopyrrole pigment, and the like.

Examples of the inorganic pigments include metallic compounds such as metal oxides and metal complex salts. Specific examples of the inorganic pigments include oxides of metals such as iron, cobalt, aluminum, cadmium, lead, copper, titanium, magnesium, chromium, zinc, antimony and carbon black Or composite metal oxides.

Red, purple, and magenta pigments are preferable. Particularly, the organic pigments and inorganic pigments include CI Pigment Red, CI Pigment Red, and CI Pigment Red among the compounds classified as pigments in the color index (The Society of Dyers and Colourists) CI Pigment Blue, and more specifically, pigments having a color index (CI) number as described below. However, the pigments are not necessarily limited to these pigments. These pigment pigments may be red pigments, And one or more other pigments may be used in combination.

C.I. Pigment Red 57: 1, 81, 122, 174, 184, 202

C.I. Pigment Violet 1, 14, 19, 23, 29, 32, 33, 36, 37 and 38

CI Pigment Blue 15 (15: 3, 15: 4, 15: 6, etc.), 21, 28, 60, 64 and 76

The exemplified C.I. Among the pigment pigments, C.I. Pigment Red 122, Pigment Violet 23, C.I. Pigment Blue 15: 3, Pigment Blue 15: 6 can be preferably used.

It is preferable to use a pigment dispersion in which the particle diameter of the pigment is uniformly dispersed. An example of a method for uniformly dispersing the particle diameter of the pigment includes a method of dispersing the pigment dispersion (a3) by containing the pigment dispersant (a3). According to this method, a pigment dispersion in which the pigment is uniformly dispersed in a solution can be obtained have.

Pigment dispersant ( a3 )

The pigment dispersant (a3) is added for maintenance of deagglomeration and stability of the pigment, and any of those generally used in the art can be used without limitation. Specific examples of the pigment dispersant include cationic surfactants, anionic surfactants, nonionic surfactants, amphoteric surfactants, polyester surfactants, and polyamine surfactants. These surfactants may be used singly or in combination of two or more thereof . (Hereinafter referred to as an acrylic dispersant) containing BMA (butyl methacrylate) or DMAEMA (N, N-dimethylaminoethyl methacrylate). At this time, it is preferable to apply the acrylic dispersant prepared by a living control method as disclosed in Korean Patent Laid-Open Publication No. 2004-0014311. DISCLOSURE OF INVENTION It is an object of the present invention to provide an acrylic dispersant, 2000, DISPER BYK-2001, DISPER BYK-2070, and DISPER BYK-2150.

The acrylic dispersants exemplified above may be used alone or in combination of two or more.

As the pigment dispersant (a3), other resin type pigment dispersants other than the acrylic dispersant may be used.

The other resin type pigment dispersing agent may be a known resin type pigment dispersing agent, especially a polycarboxylic acid ester such as polyurethane, polyacrylate, unsaturated polyamide, polycarboxylic acid, polycarboxylic acid (partial) An amine salt of a polycarboxylic acid, an alkylamine salt of a polycarboxylic acid, a polysiloxane, a long chain polyaminoamide phosphate salt, an ester of a hydroxyl group-containing polycarboxylic acid and a modified product thereof, Oil dispersants such as amides formed by reaction of a polyester having a carboxyl group with poly (lower alkyleneimine) or salts thereof; Soluble resin or water-soluble polymer compound such as (meth) acrylic acid-styrene copolymer, (meth) acrylic acid- (meth) acrylate ester copolymer, styrene-maleic acid copolymer, polyvinyl alcohol or polyvinylpyrrolidone; Polyester; Modified polyacrylates; Adducts of ethylene oxide / propylene oxide, and phosphate esters.

DISPER BYK-161, DISPER BYK-162, DISPER BYK-163 and DISPER BYK-160 available from BYK (Big) Chemie are commercially available as the above-mentioned resin type pigment dispersant. BYK-164, DISPER BYK-166, DISPER BYK-171, DISPER BYK-182, DISPER BYK-184; EFKA-4060, EFKA-4060, EFKA-4055, EFKA-4055, EFKA-4055, EFKA-4020, EFKA-4015, EFKA-4060, EFKA- 4330, EFKA-4400, EFKA-4406, EFKA-4510, EFKA-4800; SOLSPERS-24000, SOLSPERS-32550, NBZ-4204/10 from Lubirzol; Hinoact T-6000, Hinoact T-7000, Hinoact T-8000; available from Kawaken Fine Chemicals; AJISPUR PB-821, Ajisper PB-822, Ajisper PB-823 manufactured by Ajinomoto; FLORENE DOPA-17HF, fluorene DOPA-15BHF, fluorene DOPA-33, and fluorene DOPA-44 are trade names of Kyoeisha Chemical Co.,

In addition to the above acrylic dispersant, other resin type pigment dispersants may be used alone or in combination of two or more, and may be used in combination with an acrylic dispersant.

The amount of the pigment dispersant (a3) to be used is in the range of 5 to 60 parts by weight, more preferably 15 to 50 parts by weight, based on 100 parts by weight of the solid content of the pigment (a1). If the content of the pigment dispersant (a3) exceeds 60 parts by weight, the viscosity may be increased. If the content of the pigment dispersant is less than 5 parts by weight, it may be difficult to atomize the pigment or cause gelation after dispersion.

dyes( a2 )

The dye can be used without limitation as long as it has solubility in an organic solvent. It is preferable to use a dye which has solubility in an organic solvent and can ensure reliability such as solubility in an alkali developing solution, heat resistance and solvent resistance.

Examples of the dye include acid dyes having an acidic group such as sulfonic acid and carboxylic acid, salts of an acidic dye and a nitrogen-containing compound, sulfonamides of an acidic dye and derivatives thereof, and azo, Based acid dyes and derivatives thereof.

The red, purple, and magenta dyes are preferable as the color, and the compounds classified as the dyes in the color index (The Society of Dyers and Colourists) or the red dyes listed in the dyeing notes (color dyes) Blue, and violet dyes.

Specific examples of the dye include C.I. As solvent dyes,

C.I. Red dyes such as Solvent Red 8, 45, 49, 89, 111, 122, 125, 130, 132, 146, 179;

C.I. Red dyes such as Solvent Blue 5, 35, 36, 37, 44, 59, 67, 70;

Violet dyes such as CI Solvent Violet 8, 9, 13, 14, 36, 37, 47, 49;

CI Solvent Red 8, 49, 89, 111, 122, 132, 146, 179 having excellent solubility in organic solvents in CI solvent dyes; CI Solvent Blue 35, 36, 44, 45, 70; CI Solvent Violet 13 is preferred, among which CI Solvent Red 8, 122, 132 is more preferred.

Also, C.I. As an acid dye

CI Acid Red 1, 4, 8, 14, 17, 18, 26, 27, 29, 31, 34, 35, 37, 42, 44, 50, 51, 52, 57, 66, 73, 80, 87, 88 , 91, 92, 94, 97, 103, 111, 114, 129, 133, 134, 138, 143, 145, 150, 151, 158, 176, 182, 183, 198, 206, 211, 215, 216, 217 , 227, 228, 249, 252, 257, 258, 260, 261, 266, 268, 270, 274, 277, 280, 281, 195, 308, 312, 315, 316, 339, 341, 345, 346, 349 Red dyes such as 382, 383, 394, 401, 412, 417, 418, 422, 426;

CI Acid Blue 1, 7, 9, 15, 18, 23, 25, 27, 29, 40, 42, 45, 51, 62, 70, 74, 80, 83, 86, 87, 90, , 112, 113, 120, 129, 138, 147, 150, 158, 171, 182, 192, 210, 242, 243, 256, 259, 267, 278, 280, 285, 290, 296, 315, , 335 and 340;

Violet dyes such as C.I. Acid Violet 6B, 7, 9, 17, 19, 66 and the like.

CI Acid Red 92 with excellent solubility in organic solvents in CI acid dyes; CI Acid Blue 80, 90; CI Acid Violet 66 is preferred.

As a C.I. direct dye,

CI Direct Red 79, 82, 83, 84, 91, 92, 96, 97, 98, 99, 105, 106, 107, 172, 173, 176, 177, 179, 181, 182, 184, 204, 207, 211 , 213, 218, 220, 221, 222, 232, 233, 234, 241, 243, 246, 250;

CI Direct Blue 38, 44, 57, 70, 77, 80, 81, 84, 85, 86, 90, 93, 94, 95, 97, 98, 99, 100, 101, 106, 107, 108, 109, 113 , 114, 115, 117, 119, 137, 149, 150, 153, 155, 156, 158, 159, 160, 161, 162, 163, 164, 166, 167, 170, 171, 172, 173, 188, 189 , 190, 192, 193, 194, 196, 198, 199, 200, 207, 209, 210, 212, 213, 214, 222, 228, 229, 237, 238, 242, 243, 244, 245, 247, 248 , 250, 251, 252, 256, 257, 259, 260, 268, 274, 275, 293;

Violet dyes such as CI Direct Violet 47, 52, 54, 59, 60, 65, 66, 79, 80, 81, 82, 84, 89, 90, 93, 95, 96, 103 and 104 .

CI Modal Red 1, 2, 3, 4, 9, 11, 12, 14, 17, 18, 19, 22, 23, 24, 25, 26, 30, 32, 33, 36, 37, Red dyes such as 41, 43, 45, 46, 48, 53, 56, 63, 71, 74, 85, 86, 88, 90, 94, 95;

CI Modanito Blue 1, 2, 3, 7, 8, 9, 12, 13, 15, 16, 19, 20, 21, 22, 23, 24, 26, 30, 31, 32, 39, 43, 44, 48, 49, 53, 61, 74, 77, 83, and 84;

Violet dyes such as CI Modanth violet 1, 2, 4, 5, 7, 14, 22, 24, 30, 31, 32, 37, 40, 41, 44, 45, 47, 48, .

Each of these dyes may use a red dye or a combination of one or more dyes other than the red dye.

The content of the dye in the colorant (A) is preferably 0.5 to 80% by weight, more preferably 0.5 to 60% by weight, particularly preferably 1 to 50% by weight, based on the total weight of the solid content of the colorant (A) Do. When the content of the dye in the colorant (A) is within the above range, it is possible to prevent the problem of lowering the reliability of dye elution by the organic solvent after forming the pattern, and it is preferable since the sensitivity is excellent.

The content of the colorant (A) is 5 to 60% by weight, preferably 10 to 45% by weight, based on the total solid weight of the colored photosensitive resin composition. When the colorant (A) is contained in an amount of 5 to 60% by weight based on the above standard, the color density of the pixel is sufficient even when a thin film is formed, and the residue of the non- Do.

In the present invention, the total solid content in the colored photosensitive resin composition means the total content of the remaining components excluding the solvent from the colored photosensitive resin composition.

The alkali-soluble resin (B)

Is copolymerized with an ethylenically unsaturated monomer (b1) having a carboxyl group as an essential component in order to obtain solubility in an alkali developing solution used in a development processing step for forming a pattern. The acid value of the alkali-soluble resin (B) is 30 to 150 mgKOH / g in order to ensure compatibility with the dye (a2) and storage stability of the colored photosensitive resin composition. When the acid value of the alkali-soluble resin (B) is less than 30 mgKOH / g, it is difficult to ensure a sufficient developing rate of the colored photosensitive resin composition. When the acid value exceeds 150 mgKOH / g, the adhesion with the substrate is decreased, , The dye in the colored photosensitive resin composition is precipitated or the storage stability of the colored photosensitive resin composition is lowered, and the viscosity tends to rise.

Specific examples of the ethylenically unsaturated monomer (b1) having a carboxyl group include monocarboxylic acids such as acrylic acid, methacrylic acid and crotonic acid; Dicarboxylic acids such as fumaric acid, mesaconic acid and itaconic acid; And anhydrides of these dicarboxylic acids; (meth) acrylates of a polymer having a carboxyl group and a hydroxyl group at both terminals such as? -carboxypolycaprolactone mono (meth) acrylate, and acrylic acid and methacrylic acid are preferable.

The ethylenically unsaturated monomer (b1) having a carboxyl group and the ethylenically unsaturated monomer (b2) having a hydroxyl group can be produced by copolymerizing an ethylenically unsaturated monomer (b1) having a carboxyl group and an ethylenically unsaturated monomer (b2) having a hydroxyl group in order to impart a hydroxyl group to the alkali- (B3) having a glycidyl group in the copolymer of the present invention. (B3) having a glycidyl group in addition to a copolymer of an ethylenically unsaturated monomer (b1) having a carboxyl group and an ethylenically unsaturated monomer (b2) having a hydroxyl group.

Specific examples of the glycidyl group-containing compound (b3) include butyl glycidyl ether, glycidyl propyl ether, glycidyl phenyl ether, 2-ethylhexyl glycidyl ether, glycidyl butyrate, glycidyl methyl ether, Ethyl glycidyl ether, glycidyl isopropyl ether, t-butyl glycidyl ether, benzyl glycidyl ether, glycidyl 4-t-butyl benzoate, glycidyl stearate, aryl glycidyl ether, Methacrylic acid glycidyl ester, etc., and butyl glycidyl ether, aryl glycidyl ether, and methacrylic acid glycidyl ester are preferable, and two or more kinds may be used in combination.

The monomer (b4) having an unsaturated bond capable of copolymerization in the production of the alkali-soluble resin (B) is exemplified below, but is not limited thereto.

Specific examples of the polymerizable monomer (b4) having an unsaturated bond capable of copolymerization include styrene, vinyltoluene,? -Methylstyrene, p-chlorostyrene, o-methoxystyrene, m-methoxystyrene, p- Aromatic vinyls such as vinylbenzyl methyl ether, m-vinylbenzyl methyl ether, p-vinyl benzyl methyl ether, o-vinyl benzyl glycidyl ether, m- vinyl benzyl glycidyl ether and p- compound;

N-cyclohexylmaleimide, N-benzylmaleimide, N-phenylmaleimide, No-hydroxyphenylmaleimide, Nm-hydroxyphenylmaleimide, Np-hydroxyphenylmaleimide, No-methylphenylmaleimide, Nm N-substituted maleimide-based compounds such as methylphenyl maleimide, Np-methylphenyl maleimide, No-methoxyphenyl maleimide, Nm-methoxyphenyl maleimide and Np-methoxyphenyl maleimide;

Propyl (meth) acrylate, n-butyl (meth) acrylate, i-butyl (meth) acrylate, alkyl (meth) acrylates such as sec-butyl (meth) acrylate and t-butyl (meth) acrylate; (Meth) acrylate, cyclopentyl (meth) acrylate, cyclohexyl (meth) acrylate, 2-methylcyclohexyl (meth) acrylate, tricyclo [5.2.1.0 2,6] decan- Alicyclic (meth) acrylates such as dicyclopentanyloxyethyl (meth) acrylate and isobornyl (meth) acrylate;

(Meth) acrylate, 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 4-hydroxybutyl Hydroxyethyl (meth) acrylates such as hydroxyethyl acrylamide;

Aryl (meth) acrylates such as phenyl (meth) acrylate and benzyl (meth) acrylate;

3- (methacryloyloxymethyl) -2-trifluoromethyl oxetane, 3- (methacryloyloxymethyl) oxetane, 3- (methacryloyloxymethyl) 2- (methacryloyloxymethyl) oxetane, 2- (methacryloyloxymethyl) -4-trifluoromethyloxetane, and the like Unsaturated oxetane compounds.

The monomers exemplified as the monomer (b4) having an unsaturated bond capable of copolymerization may be used singly or in combination of two or more.

The content of the alkali-soluble resin (B) may be 10 to 80% by weight, preferably 10 to 70% by weight, based on the total solid content of the photosensitive resin composition. When the content of the alkali-soluble resin (B) is 10 to 80% by weight based on the above-mentioned criteria, the solubility in a developing solution is sufficient and pattern formation is easy. In the development, film reduction of the pixel portion of the exposed portion is prevented, It is preferable that the dropout property is improved.

Photopolymerization  The compound (C)

The photopolymerizable compound (C) is a compound capable of polymerizing under the action of the photopolymerization initiator (D) described below, and a monofunctional monomer, a bifunctional monomer or a polyfunctional monomer can be used, and preferably a bifunctional or more polyfunctional monomer Can be used.

Specific examples of the monofunctional monomer include nonylphenylcarbitol acrylate, 2-hydroxy-3-phenoxypropyl acrylate, 2-ethylhexylcarbitol acrylate, 2-hydroxyethyl acrylate or N- But are not limited thereto.

Specific examples of the bifunctional monomer include 1,6-hexanediol di (meth) acrylate, ethylene glycol di (meth) acrylate, neopentyl glycol di (meth) acrylate, triethylene glycol di (meth) , Bis (acryloyloxyethyl) ether of bisphenol A or 3-methylpentanediol di (meth) acrylate, but are not limited thereto.

Specific examples of the polyfunctional monomer include trimethylolpropane tri (meth) acrylate, ethoxylated trimethylolpropane tri (meth) acrylate, propoxylated trimethylolpropane tri (meth) acrylate, pentaerythritol tri (Meth) acrylate, pentaerythritol tetra (meth) acrylate, dipentaerythritol penta (meth) acrylate, ethoxylated dipentaerythritol hexa (meth) acrylate, propoxylated dipentaerythritol hexa ) Acrylate or dipentaerythritol hexa (meth) acrylate, but are not limited thereto.

The photopolymerizable compound (C) is preferably contained in an amount of 5 to 45% by weight, more preferably 7 to 45% by weight, based on the total weight of solid components in the colored photosensitive resin composition. When the photopolymerizable compound (C) is contained in an amount of 5 to 45% by weight based on the above-mentioned criteria, the strength and smoothness of the pixel portion are preferably improved.

Light curing Initiator (D)

The photopolymerization initiator (D) can be used without particular limitation as long as it can polymerize the photopolymerizable compound (C). In particular, the photopolymerization initiator (D) is preferably selected from the group consisting of an acetophenone-based compound, a benzophenone-based compound, a triazine-based compound, a nonimidazole-based compound, an oxime compound, and an oxime compound in terms of polymerization characteristics, initiation efficiency, absorption wavelength, availability, It is preferable to use at least one compound selected from the group consisting of an oxalic acid compound and an oxalic acid compound.

Specific examples of the acetophenone-based compound include diethoxyacetophenone, 2-hydroxy-2-methyl-1-phenylpropan-1-one, benzyldimethylketal, 2-hydroxy- 1- [4- 2-methyl-1- (4-methylthiophenyl) -2-morpholinopropane-1-one, 2-methylcyclohexyl phenyl ketone, 2-methyl-1- [4- (1-methylvinyl) phenyl] propane-1-one 2- (4-methylbenzyl) -2- (dimethylamino) -1- (4-morpholinophenyl) butan-1-one.

Examples of the benzophenone compound include benzophenone, methyl 0-benzoylbenzoate, 4-phenylbenzophenone, 4-benzoyl-4'-methyldiphenylsulfide, 3,3 ', 4,4'-tetra tert-butylperoxycarbonyl) benzophenone, 2,4,6-trimethylbenzophenone, and the like.

Specific examples of the triazine compound include 2,4-bis (trichloromethyl) -6- (4-methoxyphenyl) -1,3,5-triazine, 2,4-bis (trichloromethyl) -6 - (4-methoxynaphthyl) -1,3,5-triazine, 2,4-bis (trichloromethyl) -6-piperonyl-1,3,5-triazine, (Trichloromethyl) -6- [2- (5-methylfuran-2- (4-methoxystyryl) -1,3,5-triazine, Yl) ethenyl] -1,3,5-triazine, 2,4-bis (trichloromethyl) -6- [2- (furan- , 2,4-bis (trichloromethyl) -6- [2- (4-diethylamino-2-methylphenyl) ethenyl] -1,3,5-triazine, 2,4- ) -6- [2- (3,4-dimethoxyphenyl) ethenyl] -1,3,5-triazine.

Specific examples of the imidazole compound include 2,2'-bis (2-chlorophenyl) -4,4 ', 5,5'-tetraphenylbimidazole, 2,2'-bis (2,3- Phenyl) -4,4 ', 5,5'-tetraphenylbiimidazole, 2,2'-bis (2-chlorophenyl) -4,4', 5,5'-tetra (alkoxyphenyl) , 2,2'-bis (2,6-dichlorophenyl) -4,4 ', 5,5'-tetra (trialkoxyphenyl) Imidazole compounds in which 4'5,5'-tetraphenyl-1,2'-biimidazole or phenyl groups at 4,4 ', 5,5' positions are substituted by carboalkoxy groups. Among them, 2,2'-bis (2-chlorophenyl) -4,4 ', 5,5'-tetraphenylbiimidazole, 2,2'-bis (2,3- , 2,2-bis (2,6-dichlorophenyl) -4,4'5,5'-tetraphenyl-1,2'-biimidazole is preferably used do.

Specific examples of the oxime compounds include o-ethoxycarbonyl-α-oximino-1-phenylpropan-1-one and commercially available products such as OXE01 and OXE02 from BASF.

Examples of the thioxanthone compound include 2-isopropylthioxanthone, 2,4-diethylthioxanthone, 2,4-dichlorothioxanthone, 1-chloro-4- .

The photopolymerization initiator (D) may further comprise a photopolymerization initiator (d2) to improve the sensitivity of the colored photosensitive resin composition of the present invention. The colored photosensitive resin composition according to the present invention contains a photopolymerization initiation auxiliary (d2), whereby the sensitivity can be further increased and the productivity can be improved.

As the photopolymerization initiation auxiliary (d2), for example, at least one compound selected from the group consisting of an amine compound, a carboxylic acid compound and an organic sulfur compound having a thiol group can be preferably used.

As the amine compound, an aromatic amine compound is preferably used. Specific examples of the amine compound include aliphatic amine compounds such as triethanolamine, methyldiethanolamine and triisopropanolamine, methyl 4-dimethylaminobenzoate, ethyl 4-dimethylaminobenzoate, 4- Dimethylaminobenzoic acid, 2-ethylhexyl 4-dimethylaminobenzoate, 2-dimethylaminoethyl benzoate, N, N-dimethylparatoluidine, 4,4'-bis (dimethylamino) benzophenone ), 4,4'-bis (diethylamino) benzophenone, and the like.

The carboxylic acid compound is preferably an aromatic heteroacetic acid, and more specifically, it is preferably an aromatic heteroaromatic acid such as phenylthioacetic acid, methylphenylthioacetic acid, ethylphenylthioacetic acid, methylethylphenylthioacetic acid, dimethylphenylthioacetic acid, methoxyphenylthioacetic acid, dimethoxyphenylthio Acetic acid, chlorophenylthioacetic acid, dichlorophenylthioacetic acid, N-phenylglycine, phenoxyacetic acid, naphthylthioacetic acid, N-naphthylglycine, naphthoxyacetic acid and the like.

Specific examples of the organic sulfur compound having a thiol group include 2-mercaptobenzothiazole, 1,4-bis (3-mercaptobutyryloxy) butane, 1,3,5-tris (3-mercaptobutyloxyethyl) 1,3,5-triazine-2,4,6 (1H, 3H, 5H) -thione, trimethylolpropane tris (3-mercaptopropionate), pentaerythritol tetrakis (3-mercaptopropionate), dipentaerythritol hexacis (3-mercaptopropionate), and tetraethylene glycol bis (3-mercaptopropionate) .

The photopolymerization initiator (D) may be contained in an amount of 0.1 to 40% by weight, preferably 1 to 30% by weight, based on the total weight of the solids content of the alkali-soluble resin (B) and the photopolymerizable compound (C). When the photopolymerization initiator (D) is in the range of 0.1 to 40% by weight based on the above standard, the colored photosensitive resin composition is highly sensitive and the exposure time is shortened, so that the productivity is improved and the high resolution can be maintained. When the photopolymerization initiator according to the above standard is included, the strength of the pixel portion formed using the composition and the smoothness on the surface of the pixel portion can be improved.

When the photopolymerization initiator (d2) is further used, the photopolymerization initiator (d2) may be added to the alkali-soluble resin (B) and the photopolymerizable compound (C) based on the total solid weight of the colored photosensitive resin composition of the present invention. To 40% by weight, preferably 1 to 30% by weight, based on the weight of the composition. When the amount of the photopolymerization initiator (d2) used is within the range of 0.1 to 40% by weight, the sensitivity of the colored photosensitive resin composition becomes higher and the productivity of the color filter formed using the composition is improved .

Antioxidant (E)

The antioxidant (E) must have either a phenolic antioxidant function and a phosphorus antioxidant functional group or a phenolic antioxidant functional group and a sulfur antioxidant functional group at the same time in one molecule. When a phenol-based antioxidant, a phosphorus-based antioxidant or a phenol-based antioxidant and a sulfur-based antioxidant are respectively used, it is difficult to expect an improvement in transmittance in a red colored photosensitive resin composition containing a dye. Sensitivity is lowered, It is difficult to form a pattern and a short circuit of the pattern tends to occur.

Examples of the antioxidant having both a phenol antioxidant function and a phosphorus antioxidant functional group include IRGANOX 1425 (manufactured by BASF) and Sumilizer GP (manufactured by Sumitomo Chemical), and phenol-based antioxidant and sulfur- Examples of the antioxidant include IRGANOX 1035 (manufactured by BASF), IRGANOX 1081 (manufactured by BASF), and IRGANOX 1726 (manufactured by BASF). The antioxidant may be contained in an amount of 1 to 100% by weight, preferably 2 to 50% by weight, based on the solid content of the photopolymerization initiator. When the antioxidant is within the range of 1 to 100% by weight on the basis of the above criteria, the colored photosensitive resin composition is preferable because the transmittance can be expected to be improved without lowering the sensitivity. If the antioxidant is less than 1% by weight, it is difficult to improve the transmittance. If the amount is more than 100% by weight, sensitivity deterioration due to the dye can not be overcome and high sensitivity is not obtained.

Nucleating agent (F)

The nucleating agent (F) is a compound represented by the following formula (1).

[Chemical Formula 1]

The compound represented by the above formula (1) is excellent in rigidity, heat resistance and transparency, and thus contributes to improvement of the transmittance.

The nucleating agent may be contained in an amount of 1 to 100% by weight, preferably 2 to 50% by weight, based on the solid content of the photopolymerization initiator. When the nucleating agent is within the range of 1 to 100% by weight on the basis of the above criteria, the colored photosensitive resin composition is preferable because the transmittance can be expected to be improved without lowering the sensitivity. If the amount is less than 1% by weight, it is difficult to expect an improvement in the transmittance. If the amount is more than 100% by weight, sensitivity deterioration due to the dye can not be overcome and it is difficult to maintain a flatness due to unbalance and shrinkage of the nucleating agent.

Solvent (G)

The solvent is not particularly limited as long as it is effective for dispersing or dissolving the other components contained in the colored photosensitive resin composition. Ethers, aromatic hydrocarbons, ketones, alcohols, esters or amides are particularly preferred .

Examples of the solvent include ethylene glycol monoalkyl ethers such as ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monopropyl ether, and ethylene glycol monobutyl ether; Diethylene glycol dialkyl ethers such as diethylene glycol dimethyl ether, diethylene glycol diethyl ether, diethylene glycol dipropyl ether and diethylene glycol dibutyl ether; Ethylene glycol alkyl ether acetates such as methyl cellosolve acetate and ethyl cellosolve acetate; Alkylene glycol alkyl ether acetates such as propylene glycol monomethyl ether acetate, propylene glycol monoethyl ether acetate, propylene glycol monopropyl ether acetate, methoxybutyl acetate, and methoxypentyl acetate; Aromatic hydrocarbons such as benzene, toluene, xylene, and mesitylene; Ketones such as methyl ethyl ketone, acetone, methyl amyl ketone, methyl isobutyl ketone, and cyclohexanone; Alcohols such as ethanol, propanol, butanol, hexanol, cyclohexanol, ethylene glycol and glycerin; Esters such as ethyl 3-ethoxypropionate and methyl 3-methoxypropionate; and cyclic esters such as? -butyrolactone.

The solvent is preferably an organic solvent having a boiling point of 100 占 폚 to 200 占 폚 in terms of coatability and drying property, more preferably propylene glycol monomethyl ether acetate, propylene glycol monoethyl ether acetate, cyclohexanone, ethyl lactate, Decyltate, ethyl 3-ethoxypropionate, methyl 3-methoxypropionate, and the like.

The above-mentioned solvents may be used alone or in admixture of two or more, and may include 60 to 90% by weight, preferably 70 to 85% by weight, based on the total weight of the colored photosensitive resin composition of the present invention. When the solvent is in the range of 60 to 90% by weight on the basis of the above criteria, the coating property when applied with a coating device such as a roll coater, a spin coater, a slit and spin coater, a slit coater (which may be referred to as a die coater) Thereby providing a good effect.

Additive (H)

In addition to the above components, the colored photosensitive resin composition of the present invention may be used in combination with additives such as fillers, other polymer compounds, curing agents, adhesion promoters, ultraviolet absorbers, and anti-aggregation agents according to the needs of those skilled in the art Do.

The filler may be glass, silica, alumina, or the like, but is not limited thereto.

Specific examples of the other polymer compound include a curable resin such as an epoxy resin and a maleimide resin, a thermoplastic resin such as polyvinyl alcohol, polyacrylic acid, polyethylene glycol monoalkyl ether, polyfluoroalkyl acrylate, polyester, polyurethane and the like But is not limited thereto.

The curing agent is used for increasing the curing depth and mechanical strength. Specifically, an epoxy compound, a polyfunctional isocyanate compound, a melamine compound, and an oxetane compound may be used, but the present invention is not limited thereto. Specific examples of the epoxy compound include epoxy resins such as bisphenol A epoxy resin, hydrogenated bisphenol A epoxy resin, bisphenol F epoxy resin, hydrogenated bisphenol F epoxy resin, novolak epoxy resin, other aromatic epoxy resin, alicyclic epoxy resin, Alicyclic or aromatic epoxy compounds, butadiene (co) polymeric epoxides, isoprene (co) polymers other than the brominated derivatives, epoxy resins and brominated derivatives of such epoxy resins, A polymeric epoxide, a glycidyl (meth) acrylate (co) polymer, and triglycidylisocyanurate, but are not limited thereto. Specific examples of the oxetane compound include, but are not limited to, carbonate bisoxetane, xylene bisoxetane, adipate bisoxetane, terephthalate bisoxetane, and cyclohexanedicarboxylic acid bisoxetane. It is not.

The curing agent may be used together with a curing agent in combination with a curing auxiliary compound capable of ring-opening polymerization of the epoxy group of the epoxy compound and the oxetane skeleton of the oxetane compound. Specific examples of the curing auxiliary compound include polyvalent carboxylic acids, polyvalent carboxylic anhydrides, and acid generators. The carboxylic acid anhydrides may be those commercially available as an epoxy resin curing agent. Examples of commercially available epoxy resin curing agents include trade name (ADEKA HARDONA EH-700) (ADEKA INDUSTRIAL CO., LTD.), Trade name (RICACIDO HH) (Manufactured by Shin-Etsu Chemical Co., Ltd.).

The curing agent and the curing auxiliary compound exemplified above may be used alone or in combination of two or more.

Specific examples of the adhesion promoter include vinyltrimethoxysilane, vinyltriethoxysilane, vinyltris (2-methoxyethoxy) silane, N- (2-aminoethyl) -3-aminopropylmethyldimethoxysilane, N Aminopropyltrimethoxysilane, 3-aminopropyltriethoxysilane, 3-glycidoxypropyltrimethoxysilane, 3-glycidoxypropylmethyldimethoxysilane, 2- (2-aminoethyl) (3,4-epoxycyclohexyl) ethyltrimethoxysilane, 3-chloropropylmethyldimethoxysilane, 3-chloropropyltrimethoxysilane, 3-methacryloxypropyltrimethoxysilane, 3- Methoxysilane, 3-isocyanatepropyltrimethoxysilane, and 3-isocyanatepropyltriethoxysilane, or a mixture thereof.

The adhesion promoter may be contained in an amount of 0.01 to 10 parts by weight, preferably 0.05 to 2 parts by weight, based on the solid content of the colored photosensitive resin composition.

Specific examples of the ultraviolet absorber include, but are not limited to, 2- (3-tert-butyl-2-hydroxy-5-methylphenyl) -5-chlorobenzothiazole and alkoxybenzophenone.

The anti-aggregation agent may be, for example, sodium polyacrylate, but is not limited thereto.

The process for producing the colored photosensitive resin composition of the present invention will be described as follows.

First, the pigment (a1) in the colorant (A) is mixed with the solvent (G) and dispersed using a bead mill or the like until the average particle diameter of the pigment becomes about 0.2 μm or less. At this time, the pigment dispersant (a3), part or all of the alkali-soluble resin (B), or the dye (a2) may be mixed and dissolved or dispersed with the solvent (G)

(B), the photopolymerizable compound (C), the photopolymerization initiator (D) and the antioxidant (E), and the additive (H) and the solvent (E) are added to the mixed dispersion, May be further added so as to have a predetermined concentration to prepare the colored photosensitive resin composition according to the present invention.

Hereinafter, the present invention will be described in more detail with reference to Examples, Comparative Examples and Experimental Examples. However, the following examples, comparative examples and experimental examples are for illustrating the present invention, and the present invention is not limited by the following examples, comparative examples and experimental examples, and can be variously modified and changed. In the following Examples and Comparative Examples, "%" and "part" representing the content are based on weight unless otherwise specified.

Manufacturing example  1. Preparation of pigment dispersion composition

, 12.0 parts by weight of CI Pigment Blue 15: 6 as a pigment, 4.0 parts by weight of DISPERBYK-2001 (manufactured by BYK) as a pigment dispersant, 44 parts by weight of propylene glycol methyl ether acetate as a solvent and 40 parts by weight of propylene glycol methyl ether And mixed / dispersed for 12 hours to prepare a pigment dispersion composition M1.

Synthetic example  1. Synthesis of alkali-soluble resin

A flask equipped with a stirrer, a thermometer reflux condenser, a dropping funnel and a nitrogen inlet tube was charged with 120 parts by weight of propylene glycol monomethyl ether acetate, 80 parts by weight of propylene glycol monomethyl ether, 2 parts by weight of AIBN, 13.0 parts by weight of acrylic acid, Methyl methacrylate, 20 parts by weight of methyl methacrylate and 3 parts by weight of n-dodecyl mercapto were charged and replaced with nitrogen. Thereafter, the temperature of the reaction solution was elevated to 110 DEG C with stirring, and the reaction was carried out for 6 hours. The alkali-soluble resin thus synthesized had a solid dispersion value of 100.2 mgKOH / g and a weight average molecular weight Mw of about 15110 as measured by GPC.

Example  1. Preparation of colored photosensitive resin composition

36.5 parts by weight of the above pigment dispersion composition M1, 0.54 parts by weight of Acid Red 52 (product name: Acid Red 52, product of TCI America), 13.58 parts by weight of the resin of Synthesis Example 1, 2.22 parts by weight of KAYARAD DPHA (manufactured by Nippon Kayaku), 0.96 part by weight of TR-PBG- 0.37 part by weight of NA-11 (manufactured by Adeka) represented by the following formula 1 as a nucleating agent, 0.37 part by weight of Sumilizer GP (Sumitomo Chemical Co., Ltd., the following formula 2) as an antioxidant, 32.71 parts by weight of propylene glycol monomethyl ether acetate And 12.75 parts by weight of 4-hydroxy-4-methyl-2-pentanone were mixed to prepare a colored photosensitive resin composition.

[Chemical Formula 1]

(2)

Example  2. Preparation of colored photosensitive resin composition

0.54 parts by weight of CI Acid Red 52 (trade name: Acid Red 52, manufactured by TCI America), 13.36 parts by weight of the resin of Synthesis Example 1, 2.19 parts by weight of KAYARAD DPHA (manufactured by Nippon Kayaku Co., Ltd.) 0.95 part by weight of PBG-305 (manufactured by TRONLY), 0.36 part by weight of Sumilizer GP (Sumitomo Chemical Co., Ltd.) as antioxidant, 0.51 part by weight of NA-11 (manufactured by Adeka Corporation), 32.84 parts by weight of propylene glycol monomethyl ether acetate -Hydroxy-4-methyl-2-pentanone were mixed to prepare a colored photosensitive resin composition.

Example  3. Preparation of colored photosensitive resin composition

0.54 parts by weight of CI Acid Red 52 (trade name: Acid Red 52, manufactured by TCI America), 12.65 parts by weight of the resin of Synthesis Example 1, 2.07 parts by weight of KAYARAD DPHA (manufactured by Nippon Kayaku Co., Ltd.) , 0.75 part of Sumilizer GP (manufactured by Sumitomo Chemical Co., Ltd.) as antioxidant, 0.97 part of NA-11 (manufactured by Adeka), 33.28 parts of propylene glycol monomethyl ether acetate, 4 parts of 4 -Hydroxy-4-methyl-2-pentanone were mixed to prepare a colored photosensitive resin composition.

Comparative Example  1. Preparation of colored photosensitive resin composition

0.54 parts by weight of CI Acid Red 52 (trade name: Acid Red 52, manufactured by TCI America), 14.15 parts by weight of the resin of Synthesis Example 1, 2.32 parts by weight of KAYARAD DPHA (manufactured by Nippon Kayaku Co., Ltd.) -PBG-305 (manufactured by TRONLY), 0.39 part by weight of Sumilizer GP (Sumitomo Chemical Co., Ltd.) as antioxidant, 32.35 parts by weight of propylene glycol monomethyl ether acetate, 4-hydroxy-4-methyl- 12.75 parts by weight were mixed to prepare a colored photosensitive resin composition.

Comparative Example  2. Preparation of colored photosensitive resin composition

, 0.54 parts by weight of CI Acid Red 52 (trade name: Acid Red 52, manufactured by TCI America), 13.58 parts by weight of the resin of Synthesis Example 1, 2.22 parts by weight of KAYARAD DPHA (manufactured by Nippon Kayaku Co., Ltd.) 0.37 part by weight of PBG-305 (TRONLY), 0.37 part by weight of Sumilizer GP (Sumitomo Chemical Co., Ltd.) as antioxidant, 0.37 part by weight of NA-52 (Adeka) as light stabilizer, 32.71 parts by weight of propylene glycol monomethyl ether acetate And 12.75 parts by weight of 4-hydroxy-4-methyl-2-pentanone were mixed to prepare a colored photosensitive resin composition.

Comparative Example  3. Preparation of colored photosensitive resin composition

, 0.54 parts by weight of CI Acid Red 52 (trade name: Acid Red 52, manufactured by TCI America), 13.58 parts by weight of the resin of Synthesis Example 1, 2.22 parts by weight of KAYARAD DPHA (manufactured by Nippon Kayaku Co., Ltd.) 0.37 part by weight of PBG-305 (TRONLY), 0.37 part by weight of Sumilizer GP (Sumitomo Chemical Co., Ltd.) as antioxidant, 0.37 part by weight of NA-57 (Adeka) as light stabilizer, 32.71 parts by weight of propylene glycol monomethyl ether acetate And 12.75 parts by weight of 4-hydroxy-4-methyl-2-pentanone were mixed to prepare a colored photosensitive resin composition

Experimental Example  1. Adhesion measurement

A color filter was prepared using the colored photosensitive resin compositions prepared in Examples 1 to 3 and Comparative Examples 1 to 3.

Specifically, each of the above colored photosensitive resin compositions was applied on a 2-inch-square glass substrate ("EAGLE XG", manufactured by Corning Inc.) by spin coating, then placed on a heating plate and held at a temperature of 100 ° C. for 3 minutes to form a thin film . Subsequently, a test photomask having a pattern for changing the transmittance in the range of 1 to 100% to a step-like pattern and a line / space pattern of 1 to 50 m was placed on the thin film and the distance between the test photomask and the test photomask was set to 100 m. Respectively. At this time, the ultraviolet light source was irradiated with a high pressure mercury lamp of 1 KW containing g, h and i lines at an illuminance of 100 mJ / cm 2, and no special optical filter was used. The thin film irradiated with ultraviolet rays was immersed in a KOH aqueous solution of pH 10.5 for 2 minutes to develop. The glass plate coated with the thin film was washed with distilled water, and then blown with nitrogen gas, dried, and heated in a heating oven at 200 ° C for 25 minutes to prepare a color filter. The film thickness of the color filter prepared above was 2.0 mu m.

≪ Adhesion >

When the resulting pattern was evaluated by an optical microscope, the following pattern was evaluated on the basis of the degree of peeling, and the results are shown in Table 1 below.

○: No pattern peeling

△: 1 to 3 pattern peeling

X: Pattern peeling 4 or more

Experimental Example  2. Measurement of chromaticity and contrast ratio

The chromaticity and contrast ratio were measured using a color filter manufactured in the same manner as in Experimental Example 1 except that the test photomask was not used.

<Transmittance and color difference measurement>

The transmittance of the substrate prepared in Experimental Example 1 was measured using a colorimeter (OSP-200, manufactured by Olympus Co., Ltd.) at a pattern of 100 탆 and then hard baked at 230 캜 for 25 minutes for 6 minutes. Are shown in Table 1 below.

In the following Table 1, the transmittance represents the initial transmittance result, and the transmittance change is calculated by the following equation (1).

[Equation 1]

Transmittance change = 25 minutes at 230 ° C. 6 times additional After hard baking, transmittance / initial transmittance x 100

division Adhesiveness Transmittance (%) The color difference (y) Transmittance change (%) Example 1 ○ 17.94 0.0016 97.90 Example 2 ○ 17.95 0.0015 97.90 Example 3 ○ 17.91 0.0020 97.85 Comparative Example 1 ○ 17.91 0.0018 94.50 Comparative Example 2 X 17.91 0.0025 94.12 Comparative Example 3 △ 17.85 0.0025 95.14

As shown in Table 1, the color filters prepared from the colored photosensitive resin compositions of Examples 1 to 3 had excellent adhesion to the color filters prepared using the colored photosensitive resin compositions of Comparative Examples 1 to 3, It was confirmed that the color difference was small and the transparency was excellent.

In particular, it was confirmed that Examples 1 to 3 are superior in luminance to those of Comparative Examples 1 to 3 in terms of a high transmittance and a small transmittance change of about 3%.

Claims (9)

(A), an alkali-soluble resin (B), a photopolymerizable compound (C), a photopolymerization initiator (D), an antioxidant (E), a nucleating agent (F), and a solvent (G)
Wherein the nucleating agent (F) is a compound represented by the following general formula (1).
[Chemical Formula 1]

The method according to claim 1,
Wherein the colorant (A) comprises at least one pigment (a1) and at least one dye (a2)
Wherein at least one of the one or more kinds of the pigment (a1) and the one or more kinds of the dyes (a2) is a red series. The method according to claim 1,
Wherein the antioxidant (E) has a phenolic antioxidant functional group and a phosphorus antioxidant functional group at the same time or has both a phenolic antioxidant functional group and a sulfur-based antioxidant functional group in one molecule. The method according to claim 1,
The colored photosensitive resin composition contains, based on the total solid weight,
The colorant (A) is contained in an amount of 5 to 60% by weight,
The alkali-soluble resin (B) is contained in an amount of 10 to 80% by weight,
The photopolymerizable compound (C) is contained in an amount of 5 to 45% by weight,
The photopolymerization initiator (D) is contained in an amount of 0.1 to 40% by weight based on the total solid weight of the alkali-soluble resin (B) and the photopolymerizable compound (C)
The antioxidant (E) is contained in an amount of 1 to 100% by weight based on the solid content of the photopolymerization initiator (D)
The nucleating agent (F) is contained in an amount of 1 to 100% by weight based on the solid content of the photopolymerization initiator (D)
Wherein the solvent (G) is contained in an amount of 60 to 90% by weight based on the total weight of the colored photosensitive resin composition. The method of claim 2,
Wherein the content of the dye (a2) in the colorant (A) is 0.5 to 80% by weight based on the total weight of the solid content of the colorant (A). The method of claim 2,
The colorant (A) further comprises a pigment dispersant (a3)
Wherein the content of the pigment dispersant (a3) is 5 to 60 parts by weight based on 100 parts by weight of the solid content of the pigment (a1). The method according to claim 1,
Wherein the acid value of the alkali-soluble resin (B) is 30 to 150 mgKOH / g. The method according to claim 1,
The photopolymerization initiator (D) comprises at least one member selected from the group consisting of an acetophenone compound, a benzophenone compound, a triazine compound, a nonimidazole compound, an oxime compound and a thioxanone compound By weight. A color filter made of the colored photosensitive resin composition according to any one of claims 1 to 8.