TW200301404A - Radiation sensitive composition for color filter, method to form color filter, color filter and color liquid crystal display device - Google Patents

Abstract

The present invention provides a radiation sensitive composition for color filter for red pixel with a high transmittance, a high contrast, and a high productivity, wherein the formed pattern will not have foreign objects, and the color filter formed of the composition and the method thereof, and color liquid crystal display device having the color filter. The radiation sensitive composition for color filter includes: (A) pigment; (B) dissolvable alkali resin; (C ) multi-functional monomer; and (D) optical free radical generation agent, which is characterized in that: the average particle size r (nm) of (A) pigment satisfies: 100 ≤ r ≤ 300 and contains C.I. Red 254; the ratio of dosage of (B) dissolvable alkali resin to (A) pigment is 100: 10~1000 in weight; the ratio of dosage of (C ) multi-functional monomer to (B) dissolvable alkali resin is 100: 5~500 in weight; the ratio of dosage of (D) optical free radical generation agent to (C ) multi-functional monomer is 100: 0.01~80 in weight. The color filter has the colored layer formed by the radiation sensitive composition for color filter, and the liquid crystal display has the color filter.

Description

20 0301-10 4 A 7 B7 V. Description of the invention (1) The technical field to which the invention belongs The present invention relates to radiation-sensitive compositions for color filters, color filters and color liquid crystal display devices, and more specifically A radiation-sensitive composition for a color filter, which is useful for producing a color filter for a transmissive or reflective color liquid crystal display device or a color camera tube element, and has radiation sensitivity for the color filter A color filter and a color liquid crystal display device of a coloring layer formed by the composition. In the prior art of the invention, when a color filter is manufactured using a colored radiation-sensitive composition, it is known that a coating film of the colored radiation-sensitive composition is generally formed on a substrate or on a substrate in which a light-shielding layer having a desired pattern is formed in advance. Next, irradiate radiation (hereinafter also referred to as "exposure") through a mask having a desired pattern shape, and then develop an alkali developing solution to dissolve and remove unexposed parts, and then use a clean oven or hot plate to bake, and Obtain the formation method of each day pigment (refer to Japanese Patent Application Laid-Open No. 2-144502 and Japanese Patent Application Laid-Open No. 3-5320 1). Since a liquid crystal display element having such a color filter is required to have high luminance, the color filter has been required to have a higher light transmittance in recent years. In addition, the pixels or colored layers forming such color filters also require high contrast. In response to such a requirement, as disclosed in Japanese Patent Application Laid-Open No. 10-260309, it is known that the use of C.I. Pigment Red 254 as a pigment for red pixels has an effect. However, when using a radiation-sensitive composition containing CI · Pigment Red 254, foreign matter may sometimes appear on the red pattern and the yield may be low. The paper size applies the Chinese National Standard (CNS) A4 (210X297 mm) (please (Please read the notes on the back before filling this page) Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs -5- 200301404 A7 B7 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs V. Invention Description (2) The requirements for high light transmittance and high contrast, and a radiation-sensitive composition for red pixel formation that does not cause foreign matter on the pattern and has a high manufacturing yield are unknown. Problem to be Solved by the Invention An object of the present invention is to provide a radiation-sensitive composition for a color filter that can produce a red daylight element having a high transmittance and a high contrast ratio without forming a foreign substance on the pattern formed. , A color filter provided with a coloring layer formed from the composition and a method for forming the same, and a liquid crystal display element provided with the color filter. Solution to Problem According to the present invention, the above-mentioned first objective can be achieved by the following radiation-sensitive composition for a color filter: The radiation-sensitive composition for a color filter contains (A) a pigment, (B ) Alkali-soluble resin, (C) polyfunctional monomer and (D) photoradical generator, and is characterized by: (A) the average particle diameter r (nm) of the pigment is 100 S r S3 00 and contains CI pigment Red 2 54, the amount of (B) alkali-soluble resin used is (10) to 1000 parts by weight of (A) 100 parts by weight of pigment, and (C) the amount of polyfunctional monomer used is (B) the amount of alkali-soluble resin used. 100 parts by weight is 5 to 500 parts by weight and (D) the amount of the photo radical generator used is (0.01) to 80 parts by weight based on the amount of the (C) polyfunctional monomer used. The above second subject can be characterized by including at least the following steps (please read the precautions on the back before filling this page)

A Pack-The size of the paper used in the edition is in accordance with the Chinese National Standard (CNS) A4 (210X297 mm)-6-200301404 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 B7 V. Description of the invention (3) Method for coloring Achieved: (1) forming a coating film of the radiation-sensitive composition for a color filter on a substrate, (2) irradiating at least a part of the coating film with radiation having an exposure amount of 10 to 10,000 J / m2 Step, (3) a developing step using an alkali developing solution, (4) a step of heating at 180 to 23 (TC for 20 to 40 minutes. According to the present invention, the above-mentioned third object can be filtered by the above-mentioned color filter. According to the present invention, the fourth object can be achieved by having a coloring layer formed from the radiation-sensitive composition for a color filter according to the present invention. A color liquid crystal display device was achieved. The present inventors found that the problem of the above-mentioned conventional technology (foreign matter on the red pattern) often occurs when a high-temperature processing temperature is used in the coloring layer formation step. In addition, radiation is also found Even if the sensitive composition contains CI Pigment Red 254 pigment, if the pigment is in a specific particle size range, no foreign matter will appear and the color characteristics will not be damaged during high temperature treatment. The present invention was completed in 焉. The so-called "radiation rays" means those including visible light, ultraviolet rays, far ultraviolet rays, electronic rays, X-rays, etc. Hereinafter, the present invention will be described in detail. (A) Pigment The paper size applies the Chinese National Standard (CNS) A4 specification (21 °). χ: Z97mm) ------'---- τ-I 、 Order -----, (Please read the precautions on the back before filling this page) 200301404 A7 B7 __ _ 5. Description of the invention (4) The average particle diameter r (nm) of the pigment used in the composition of the present invention is 100 $ r S 300 and contains CI Pigment Red 254. (A) If the average particle diameter of the pigment is within the above range, even in the pigment Contains CI Pigment Red 254. The radiation-sensitive composition containing this pigment has no foreign matter at a processing temperature of 200 ° C or higher in the coloring layer formation step, and 23 (TC or higher, especially 250) can also be used. Treatment temperature above ° C. The primary particle size distribution of pigment The average particle diameter: t 100 A m is preferably 70% by weight or more of the whole, and more preferably 80% by weight or more of the total. Generally speaking, the coloring composition contains CI Pigment Red 254. The higher the ratio is, the higher the processing temperature is, the more likely it is that there is a problem of foreign matter. However, if it is the case of the above-mentioned pigment, the foreign matter will not appear even if the proportion of CI Pigment Red 254 in the pigment is 30% by weight or more. The proportion may be 50% by weight or more, and particularly 60% by weight or more. As mentioned above, the pigments with average particle size and particle size distribution are preferably CI Pigment Red 254 (average particle size usually larger than 300 nm and less than 100 nm) and other pigments (average particle size usually larger than 300 nm) added as needed. Less than 100 nm) in the presence of a dispersant or a solvent, a bead honing machine or a roller mill is used to mix and disperse under appropriate conditions to obtain a pigment dispersion. Here, as the dispersant used, an appropriate dispersant of a cationic, anionic, amphoteric or nonionic type can be used, and it is preferable to use a compound containing a urethane bond (hereinafter also referred to as "urethane dispersion"). Agent "dispersant This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) (Please read the precautions on the back before filling this page)-Packing_ Order Printed by the Intellectual Property Bureau of the Ministry of Economic Affairs and Consumer Cooperatives- 8- ⑽ 301404 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 B7 V. Description of the invention (5) 〇 Urethane bond is generally expressed by the formula R-NH-C〇〇-K (but 'R and R , Is an aliphatic, cycloaliphatic, or aromatic monovalent or polyvalent organic group, and when it is a polyvalent organic group, it is additionally combined with other urethane-bonded groups or other groups), which can exist in The lipophilic group and / or the hydrophilic group in the urethane-based dispersant may also exist in the main chain and / or the side chain of the urethane-based dispersant, and in addition, the urethane One or more dispersants may be present. The urethane bond is in the urethane system. When two or more of the dispersants are present, each of the urethane bonds may be the same or different. Examples of such urethane-based dispersants include diisocyanates and / or triisocyanates which have a hydroxyl group at a single terminal. Reaction products of polyesters and / or polyesters having hydroxyl groups at both ends. Examples of the diisocyanates include benzene diisocyanates such as benzene_i, 3-diisocyanate and benzene-1,4-diisocyanate. ； Toluene-2,4-diisocyanate, toluene-2,5-diisocyanate, toluene-2,6-diisocyanate, toluene-3.5-diisocyanate and other toluene diisocyanates; ι, 2-xylene_3,5 -Diisocyanate, 1,2-xylene-3,6-diisocyanate, 1,2-xylene-4,6-diisocyanate, 13-xylene-2,4-diisocyanate, 1,3-xylene -2.5- diisocyanate, i, 3-xylene-2,6-diisocyanate, ι, 3-xylene-4,6-diisocyanate, ι, 4-xylene-2,5-diisocyanate, 丨, Aromatic diisocyanates such as xylene diisocyanates such as 4-xylene-2,6-diisocyanate; and the aforementioned triisocyanates can be exemplified by benzene-triisocyanate, Benzene triisocyanates such as -1,2,5-triisocyanate, benzene-1,3,5-triisocyanate; toluene_2,3,5-triisocyanate, toluene-2,3,6_triisocyanate paper Standards are applicable to China National Standard (CNS) Α4 specifications (210 × 297 mm) (Please read the notes on the back before filling this page) Order -9-Α7 _____ Β7_ V. Description of the invention (6) Ester, toluene-2,4 Toluene triisocyanates such as 1,5-triisocyanate, toluene_2,4,6 · triisocyanate, toluene-3,4,6-triisocyanate, toluene-3,5,6-triisocyanate; 1,2-xylene -3,4,6-triisocyanate, 1,2-xylene-3,5,6-triisocyanate, 1,3-xylene-2,4,5-triisocyanate, 1,3-xylene-2 , 4,6-triisocyanate, 1,3-xylene-3,4,5-triisocyanate, 1,4-xylene-2,3,5-triisocyanate, ι, 4-xylene-2,3 Aromatic triisocyanates such as xylene triisocyanates such as, 6-triisocyanate. These diisocyanates and / or triisocyanates may be used alone or in combination of two or more. In addition, the above-mentioned polyesters having hydroxyl groups at one terminal and / or polyesters having hydroxyl groups at both terminals can be exemplified by polycaprolactones having hydroxyl groups at one or both ends, and polyvalerenes having hydroxyl groups at one or both ends. Esters, polypropiolactones with hydroxyl groups at one or both ends, and polylactones with hydroxyl groups at one or both ends; polyethylene terephthalic acid with hydroxyl groups at one or both ends, polyethylene terephthalates with one or both ends Polycondensation polyesters having a hydroxyl group at one or both ends, such as polybutene terephthalic acid, and the like. These polyesters having a hydroxyl group at one end and polyesters having a hydroxyl group at both ends may be used alone or in combination of two or more kinds. In the present invention, the urethane-based dispersant is preferably a reaction product of an aromatic diisocyanate and a polylactone having a hydroxyl group at one terminal and / or a polylactone having a hydroxyl group at both terminals, particularly toluene di Isocyanates and reaction products with polycaprolactone having a hydroxyl group at one end and / or polycaprolactone having a hydroxyl group at both ends are more preferable. The specific urethane-based dispersant with at least one of the above characteristics The paper size applies to Chinese National Standard (CNS) A4 specifications (210X297 mm) (Please read the precautions on the back before filling this page) Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs -10- 20 0301-104 A 7 B7 V. Description of Invention (7) For example, the product name is EFKA-46, same as 47 (made by EFKA Chemical Zubivi 'EFKA), Disperbyk ( (Made by Big Chemical (BYK)), Despalon (made by Kusumoto Chemical Co., Ltd.), etc. The urethane-based dispersant of the present invention is measured in terms of polystyrene by colloidal permeation chromatography (GPC, Gel Permeation Chromatography) The weight average molecular weight (hereinafter referred to as "Mw") is generally 5,000 to 50,000, preferably 7,000 to 20,000. In the present invention, the urethane-based dispersant may be used alone or in combination of two or more. The amount of the acid ester-based dispersant is 100 parts by weight based on the total amount of CI Pigment Red 254 and other pigments added as needed, generally 100 parts by weight or less, preferably 0.5 to 100 parts by weight. It is more preferably 1 to 70 parts by weight, and most preferably 10 to 50 parts by weight. In this case, if the amount of the urethane-based dispersant used exceeds 1000 parts by weight, the coloring photoresist may be impaired. In addition, the solvent can be the same as the following solvents that can be used in the radiation-sensitive composition of the present invention. The total weight of such solvents for CI Pigment Red 254 and other pigments added as needed is 100 weight. In general, 500 to 1,000 parts by weight, preferably 700 to 900 parts by weight, can be used. When the above mixing and dispersing is performed by a bead honing machine, glass beads or titanium oxide beads having a diameter of 0.5 to 10 mm can be used. The pre-mixed CI Pigment Red 254 and other pigments added as needed, the total amount of the dispersant and the solvent mixture are injected into the bead honing machine. This paper size is applicable to China National Standard (CNS) A4 specifications ( 210X29 * 7mm) (Please read the precautions on the back before filling this page) Binding and printing Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs -11-301 ^ 04 A7 ____B7 V. Description of the invention (8) Fill rate is usually 50 to 8 0%, the injection amount of the mixed liquid is generally about 20 to 50% of the honing mill valley, and the dispersion time is generally about 2 to 4 hours. The dispersion is preferably performed while cooling with cooling water or the like. The roller mill can Use a 3-axis roller mill, a 2-axis roller mill, etc. The interval between the rollers is preferably 10 #m or less. The shearing force is generally about LoMyn / sec. The dispersion time is generally about 2 to 4 hours. In the pigment dispersion obtained as described above, the average particle diameter and distribution of the pigment can be measured by a dynamic light scattering method. The average particle size distribution of the pigment in the pigment dispersion can also be measured by a dynamic light scattering method. The other pigments that may be contained in the component (A) of the radiation-sensitive composition of the present invention are organic pigments because color filters require high purity and high transmittance and heat resistance. Such other pigments can be exemplified by compounds classified as pigments in the CI (Color Index); published by The Society of Dyers and Colourists. Specific examples include the pigment index (CI) attached below. Numbered by. CI Pigment Yellow-12, CI Pigment Yellow-13, CI Pigment Yellow-14, CI · Pigment Yellow_17, CI Pigment Yellow-20, CI Pigment Yellow-24, Dagger 1. Pigment Yellow-31, Already 1. Pigment Yellow -55, (: .1. Pigment Yellow-83, (: · I · Pigment Yellow-93, C.I · Pigment Yellow-109, CI Pigment Yellow-110, C.I · Pigment Yellow-138, CI · Pigment Yellow-139, CI Pigment Yellow-150, C · I · Pigment Yellow-153, CI Pigment Yellow-154, CI Pigment Yellow-155, C · This paper size is applicable to China National Standard (CNS) A4 (210X297 mm) (Please read the precautions on the back before filling out this page) Packing. Order printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs-12- 200301 * ^ 04 A7 B7 V. Description of the Invention (9) I. Pigment Yellow-166, CI Pigment Yellow-168, CI · Pigment Yellow-211; (Please read the precautions on the back before filling out this page) CI Pigment Orange 36, CI Pigment Orange 43, CI Pigment Orange 51, (: .1. Pigment Orange 61, CI Pigment Orange 71; CI Pigment Red 9, CI Pigment Red 97, CI Pigment Red 122, CI Pigment Red 123, CI Pigment Red 149, CI Pigment Red 168, (: .I. Pigment Red 176, CI Pigment Red 177, C. I · Pigment Red 180 CI Pigment Red 207, CI Pigment Red 208, CI Pigment Red 209, CI Pigment Red 215, CI Pigment Red 224, CI Pigment Red 242 f CI Pigment Purple 19, CI Pigment Purple 23, CI Pigment Purple 29 j CI Pigment Blue-15 CI Pigment Blue-60, CI Pigment Blue-15: 3, CI Pigment Blue-15: 4, CI Pigment Blue-15: 6, CI Pigment Green 7, CI Pigment Green 36, CI Pigment Green 136, (:. I. Pigment Green 210; CI Pigment Brown 23, CI Pigment Brown 25; These organic pigments can be used alone or in combination of two or more. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs In addition, CI Pigment Red 254 and other organic pigments It can also be purified by recrystallization method, reprecipitation method, solvent washing method, sublimation method, vacuum heating method or a combination of these methods. (B) Alkali-soluble resin (B) The alkali-soluble resin in the present invention is (a) ) Pigments can be used as adhesives, and when manufacturing color filters, the Chinese paper standard (CNS) A4 specification (210X297 mm) is applied to the paper size in the development process. -13- 200301404 Α7 Β7 V. Invention Explain (10) the imaging solution used, especially It is not particularly limited if the test imaging solution is soluble, but an alkali-soluble resin having a carboxyl group is preferred, and an ethylenically unsaturated monomer having one or more carboxyl groups (hereinafter referred to as " Saturated monomers ") and other copolymerizable ethylenically unsaturated monomers (hereinafter referred to as" copolymerizable unsaturated monomers ") copolymers (hereinafter referred to as" carboxyl-containing copolymers ") are preferred. Examples of unsaturated monomers containing a carboxyl group include: unsaturated monocarboxylic acids such as acrylic acid, methacrylic acid, butenoic acid, α-chloroacrylic acid, and cinnamic acid; maleic acid, maleic anhydride, fumaric acid, itaconic Acid, itaconic anhydride, citraconic acid, citraconic anhydride, mesaconic acid and other unsaturated dicarboxylic acids or their anhydrides; trivalent or more unsaturated polycarboxylic acids or their anhydrides; for example, succinic acid mono ( 2-propenyloxyethyl) ester, succinate mono (2-methylpropanyloxyethyl) ester, phthalic acid mono (2-propanthoxyethyl) ester, phthalic acid mono Mono ((meth) acryloxyalkyl) esters of polyvalent carboxylic acids such as (2-methacryloxyethyl) ester; carboxy polycaprolactone monoacrylate, ω-carboxyl Mono (meth) acrylates such as polycaprolactone monomethacrylate and polymers having a carboxyl group and a hydroxyl group at both ends. Among these carboxyl group-containing unsaturated monomers, mono (2-propenyloxyethyl) succinate and mono (2-propenyloxyethyl) phthalate are based on M-5 3 00 and The trade name of M-5400 (manufactured by Toa Kosei Co., Ltd.) is commercially available. The above carboxyl-containing unsaturated monomers can be used alone or in combination of two or more to make the paper size applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) (please read the precautions on the back before filling this page). Printed by the Employees 'Cooperatives of the Ministry of Intellectual Property Bureau -14- 200301404 Printed by the Consumers' Cooperatives of the Ministry of Economic Affairs ’Intellectual Property Bureau A7 _B7 V. Description of Invention (11). Examples of the copolymerizable unsaturated monomer include styrene, α-methylstyrene, o-vinyltoluene, m-vinyltoluene, p-vinyltoluene, p-chlorostyrene, and o-methoxybenzene Ethylene, m-methoxystyrene, p-methoxystyrene, o-vinylbenzyl methyl ether, m-vinylbenzyl methyl ether, p-vinylbenzyl methyl ether, ortho- Aromatic vinyl compounds such as vinyl benzyl glycidyl ether, m-vinyl benzyl glycidyl ether, p-vinyl benzyl glycidyl ether; indene such as indene, 1-methylindene; methyl acrylate , Methyl methacrylate, ethyl acrylate, ethyl methacrylate, n-propyl acrylate, n-propyl methacrylate, isopropyl acrylate, isopropyl methacrylate, n-butyl acrylate, n-methacrylate Butyl 'isobutyl acrylate, isobutyl methacrylate, second butyl acrylate, second butyl methacrylate, third butyl acrylate, third butyl methacrylate, 2-hydroxyethyl acrylate, 2-hydroxyethyl methacrylate, 2-hydroxypropyl acrylate, 2-hydroxypropyl methacrylate 3-hydroxypropyl acrylate, 3-hydroxypropyl methacrylate, 2-hydroxybutyl acrylate, 2-methyl acrylate, 3-butyl acrylate, 3-butyl methacrylate, 3-butyl methacrylate, 4-acrylate -Hydroxybutyl, 4-hydroxybutyl methacrylate, allyl acrylate, allyl methacrylate 'benzyl acrylate, benzyl methacrylate, cyclohexyl acrylate, cyclohexyl methacrylate, Phenyl acrylate, phenyl methacrylate, 2-methoxyethyl acrylate, 2-methoxyethyl methacrylate, 2-phenoxyethyl acrylate, 2-phenoxyethyl methacrylate, Methoxylated diethylene glycol acrylate, Methoxylated diethylene glycol methacrylate This paper is sized to the Chinese National Standard (CNS) A4 specification (210 × 297 mm) '-15- (Please read the precautions on the back first (Fill in this page again)

JL Binding ·. »Line 200301404 A7 __ _____B7 V. Description of the Invention (12) (Please read the notes on the back before filling this page) Ester, methoxytriethylene glycol acrylate, methoxytriethyl methacrylate Glycol esters, methoxy propylene glycol acrylate, methoxy propylene glycol methacrylate, methoxy dipropylene glycol acrylate, methoxy dipropylene glycol methacrylate, isobornyl acrylate, isobornyl methacrylate, Trik [5.2.1.〇2'6] decane · 8-ester, methacrylate tricyclo [5 · 2 · 丨, 〇2,6] decane, 2-hydroxy-3-benzene acrylate Unsaturated carboxylic acid esters such as oxypropyl ester, 2-hydroxyphenoxypropyl methacrylate, glycerol monoacrylate, glycerol monomethacrylate; 2-aminoethyl acrylate, 2-amine methacrylate Ethyl ester, 2-dimethylaminoethyl propionate, 2-dimethylaminoethyl methacrylate, 2-aminopropyl acrylate, 2-aminopropyl methacrylate, 2-dimethacrylate Methylaminopropyl, 2-dimethylaminopropyl methacrylate, 3-aminopropyl acrylate, 3-aminopropyl methacrylate, propyl Unsaturated carboxylic acid amino alkyl esters such as 3-dimethylaminopropyl acrylate, 3-diaminopropyl methacrylate, etc .; Unsaturated carboxylic acid glycidyl such as glycidyl acrylate, glycidyl methacrylate, etc. Ester; vinyl acetate, vinyl propionate, vinyl butyrate, vinyl benzoate and other carboxylic acid vinyl esters printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs; Ethyl methyl ether, ethyl ethyl ether, Unsaturated ethers such as propyl glycidyl ether; Acrylonitrile, methacrylonitrile, α-chloroacrylonitrile, vinylidenenitrile and other vinyl nitrile compounds. Acrylamide, methacrylamide, α-chloroacrylamide, N-2-hydroxyl This paper size is applicable to Chinese National Standard (CNS) A4 specification (210 × 297 mm) '-16-20 0301-104 A7 B7 Economy Printed by the Consumer Cooperatives of the Ministry of Intellectual Property Bureau. 5. Description of the invention (13) Unsaturated ammonium amines such as ethylethyl acrylamide, N-2-hydroxyethyl-methacrylamide; maleimide, N -Unsaturated fluorinimines such as phenylmaleimide and N-cyclohexylmaleimide; aliphatic conjugated diene such as 1,3-butadiene, isoprene, chloroprene, etc. Class j Polymers such as polystyrene, polymethyl acrylate, polymethyl methacrylate, poly-n-butyl acrylate, poly-n-butyl methacrylate, and polysiloxane have monopropenyl or monomethyl groups at the molecular chain ends Macromolecules of acryl hydrazone and the like. These copolymerizable unsaturated monomers may be used singly or in combination of two or more kinds. The carboxyl group-containing copolymer in the present invention is preferably ① acrylic acid and / or methacrylic acid as essential components, and optionally contains at least one selected from the group consisting of Mono (2-propenyloxyethyl) succinate, mono (2-methacryloxyethyl) succinate, carboxy polycaprolactone monoacrylate and carboxy polycaprolactone monomethacrylic acid The carboxyl group-containing unsaturated monomer component of the compound of the ester group and ② at least one selected from the group consisting of styrene, methyl acrylate, methyl methacrylate, 2-hydroxyethyl acrylate, 2-hydroxyethyl acrylate, and Propyl acrylate, allyl methacrylate, benzyl acrylate, benzyl methacrylate, glycerol monomethacrylate, glycerol monoacrylate, N-phenylmaleimide, polystyrene giant Copolymer of monomers and monomers of the polymethylmethacrylate macromonomer group. Specific examples of such copolymers include (meth) acrylic acid / (meth) methacrylate copolymers' (Please read the precautions on the back before filling this page)

• JIL Pack-The size of the paper used in the book is applicable to the Chinese National Standard (CNS) A4 (21 × 297mm) -17- 200301 ^ 04 A 7 B7 5. Description of the invention (14) (meth) acrylic acid / (methyl ) Benzyl acrylate copolymer, (Please read the precautions on the back before filling out this page) (Meth) acrylic acid / 2-hydroxyethyl (meth) acrylate / (meth) phenyl methacrylate copolymer, ( (Meth) acrylic acid / (meth) acrylate / polystyrene macromonomer copolymer, (meth) acrylic acid / methyl (meth) acrylate / polymethyl methacrylate macromonomer copolymer, (a Based) acrylic acid / benzyl (meth) acrylate / polystyrene macromonomer copolymer, (meth) acrylic acid / benzyl (meth) acrylate / polymethylmethacrylate macromonomer copolymer, ( Methacrylic acid / 2-hydroxyethyl (meth) acrylate / (meth) acrylic acid benzyl copolymer / polystyrene macromonomer copolymer, (meth) acrylic acid / (meth) acrylic acid 2-hydroxy Ethyl ester / (meth) acrylic acid styrene / polymethyl methacrylate macromonomer copolymer, methacrylic acid / styrene / (meth) acrylic acid Phenyl methyl ester / N-phenylmaleimide copolymer, printed by (meth) acrylic acid / succinic acid mono [2- (meth) acryloxyethyl] ester, consumer cooperative of employees of Intellectual Property Bureau, Ministry of Economic Affairs / Styrene / benzyl (meth) acrylate / N-phenylmaleimide copolymer, (meth) acrylic acid / succinic acid mono [2- (meth) acryloxyethyl] ester / Copolymer of styrene / allyl (meth) acrylate / N-phenylmaleimide, (meth) acrylic acid / styrene / benzyl (meth) acrylate / glycerin (CNS) 8-4 specifications (210 X 297 mm) -18- 200301404 A 7 B7 V. Description of the invention (15) Mono (meth) acrylate / N-phenylmaleimide copolymer, (methyl ) Acrylic acid / ω-carboxy polycaprolactone mono (meth) acrylate / styrene / benzyl (meth) acrylate / glycerol mono (meth) acrylate / N-phenylmaleimide copolymer Wait. The copolymerization ratio of the carboxyl group-containing unsaturated monomer in the carboxyl group-containing copolymer is generally 5 to 50% by weight, preferably 10 to 40% by weight. In this case, if the above-mentioned copolymerization ratio is less than 5% by weight, the solubility of the obtained radiation-sensitive composition in the alkali imaging solution tends to decrease. On the other hand, if it exceeds 50% by weight, the solubility in the alkali imaging solution is excessive. High, when developing with an alkali developing solution, it tends to cause the substrate from the colored layer to fall off or the film surface to crack. The alkali-soluble resin is determined by colloidal permeation chromatography (GPC, solvent: tetrahydrofuran). The weight average molecular weight (hereinafter referred to as "Mw") of a polystyrene meter is generally 3,000 to 300,000, preferably 5,000 to 100,000. Moreover, the alkali-soluble resin is subjected to colloidal permeation chromatography (GPC, elution solvent: tetrahydrofuran) ) The number-average molecular weight measured in terms of polystyrene (hereinafter referred to as "Mη") is generally 3,000 to 60,000, preferably 5,000 to 25,000 °. Also, the ratio of Mw to Mη (Mw / Mn) of the alkali-soluble resin is 1 to 5 is preferable, and 1 to 4 is more preferable. In the present invention, by using an alkali-soluble resin having such a specific Mw to Mη ratio, a radiation-sensitive composition having excellent image development properties can be obtained, and a pixel pattern having clear pattern edges can be formed according to this, and development can be performed. At this time, the paper size is applicable to the Chinese National Standard (CNS) A4 specification (210 > < 297 mm) -------- I — (Please read the precautions on the back before filling this page) Order. ≫ Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs -19-^^ 301 ^ 04 Α7 B7 V. Description of the Invention (16) Residues, unclean surfaces, film residues, etc. are not easy to be produced on the substrate and light-shielding layer of the exposed part. (Please read the precautions on the back before filling out this page.) In the present invention, (B) the alkali-soluble resin can be used alone or in combination of two or more. In the present invention, the amount of the (B) alkali-soluble resin used is 100 parts by weight of the (A) pigment, and generally 10 to 1,000 parts by weight, preferably 20 to 500 parts by weight. In this case, if the amount of the alkali-soluble resin used is less than 10 parts by weight, for example, the alkali developability may be reduced, and the surface of the unexposed portion and the light-shielding layer may have surface impurities or film residues. If it exceeds 1,000 parts by weight, it is difficult for the film to achieve the intended color density due to the relative decrease in the pigment concentration. (C) Polyfunctional monomer (C) The polyfunctional monomer in the present invention is a monomer having two or more polymerizable unsaturated bonds. Multifunctional monomers can be exemplified by: diacrylates or di-methacrylates of alkanediols such as ethylene glycol and propylene glycol printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs; polyethylene glycol, polypropylene glycol, etc. Diacrylates or dimethacrylates of polyalkylene glycols; polyacrylates or polymethacrylates of polyhydric alcohols of three or more valences, such as glycerol, trimethylolpropane, pentaerythritol, and dipentaerythritol, or the like Modified carboxylic acid; polyester, epoxy resin, urethane resin, alkyd resin, and ketone tree. Paper size applies to Chinese National Standard (CNS) A4 (210 κ297 mm)--20- ^ 00301-104 A7 B7 V. Description of the invention (17) Oligopolyacrylates or oligomethacrylates such as esters and spirane resins; hydroxy poly-1,3-butadiene at both ends; polyiso-hydroxy at both ends Diacrylates or di-methacrylates of two-terminal hydroxylated polymers such as pentadiene, two-terminal hydroxypolycaprolactone; or bis (2-propenedonyloxyethyl) phosphate, tris (2- Methylpropanyloxyethyl) phosphate and the like. Among these polyfunctional monomers, polyacrylates or polymethacrylates of trivalent or higher polyhydric alcohols or these dicarboxylic acid modified products have superior strength and surface smoothness of the colored layer, and the unexposed portions On the substrate and the light-shielding layer, it is not easy to produce surface uncleanness, film residue, and the like. Preferred are specifically trimethylolpropane triacrylate, trimethylolpropane tri-methacrylate, pentaerythritol triacrylate Ester, pentaerythritol tri-methacrylate, pentaerythritol tetraacrylate, pentaerythritol tetra-methacrylate, dipentaerythritol pentaacrylate, dipentaerythritol penta-methacrylate, dipentaerythritol hexaacrylate, dipentaerythritol hexa-methyl Acrylate and the like are preferably trimethylolpropane triacrylate, pentaerythritol triacrylate, and dipentaerythritol hexaacrylate. The said polyfunctional monomer may be used individually or in mixture of 2 or more types. The amount of the polyfunctional monomer used in the present invention is generally from 5 to 500 parts by weight, preferably from 20 to 300 parts by weight, based on 100 parts by weight of the (B) alkali-soluble resin. In this case, if the amount of the polyfunctional monomer used is less than 5 parts by weight, the strength and surface smoothness of the colored layer tend to decrease. On the other hand, if it exceeds 500 parts by weight, for example, the alkali developability is reduced. And unexposed parts on the substrate and the light-shielding layer are prone to surface uncleanness or film residue. This paper size applies Chinese National Standard (CNS) A4 specifications (210X297 mm) (Please read the precautions on the back before filling this page). Order printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs -21-20U301404 Α7 Β7 V. Trend of invention description (18). (Please read the notes on the back before filling this page) In addition, a part of the polyfunctional monomer in the present invention can also be replaced by a monofunctional monomer having a polymerizable unsaturated bond. Examples of the monofunctional monomer include the same monomers as the carboxyl group-containing unsaturated monomers or copolymerizable unsaturated monomers exemplified for the (B) alkali-soluble resin, or N-acrylfluorenylmorpholine, N- Methacrylmethylmorpholine, N-vinylpyrrolidone, N-vinyl-ε-caprolactam, and commercially available products M-5300, M-5 400, M-5 600 (trade names, Toa Synthesis Corporation)制) and so on. These monofunctional monomers may be used alone or in combination of two or more. The ratio of the monofunctional monomer to the total amount of the monofunctional monomer and the polyfunctional monomer is generally 90% by weight or less, and preferably 50% by weight or less. In this case, if the use ratio of the monofunctional monomer exceeds 90% by weight, the strength or surface smoothness of the obtained pixel may be insufficient. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. In addition, the total amount of polyfunctional monomers and monofunctional monomers used in the present invention is generally 5 to 500 parts by weight based on 100 parts by weight of (B) alkali-soluble resin. Parts, preferably 20 to 300 parts by weight. In this case, if the total amount used is less than 5 parts by weight, the strength and surface smoothness of the colored layer tend to decrease. On the other hand, if it exceeds 500 parts by weight, there are, for example, reduction in alkali developability and unexposed parts. On the substrate and the light-shielding layer, the surface is apt to be dirty or the film is left. (D) Photopolymerization initiator The photopolymerization initiator in the present invention is irradiated with radiation such as visible light, ultraviolet rays, far ultraviolet rays, electron rays, and X-rays (hereinafter referred to as "exposure"). The paper standards are applicable to Chinese national standards. (CNS) A4 specification (210X297 mm) -22- 200301404 A 7 B7 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. 5. Description of the invention (19) 'can produce the above (C) polyfunctional monomer and video In this case, a monofunctional monomer is used as a reactive radical compound. Examples of such photopolymerization initiators include acetophenone-based compounds, biimidazole-based compounds, trimorphine compounds, benzoin-based compounds, benzophenone-based compounds, and diketone-based compounds. , Thioxanthone-based compounds, diazo-based compounds, and the like. The photopolymerization initiator in the present invention may be used singly or in combination of two or more kinds. However, the photopolymerization initiator in the present invention is at least one selected from the group consisting of acetophenone-based compounds, biimidazole-based compounds, and trimorphine-based compounds. Better. The general amount of the photopolymerization initiator used in the present invention is generally from 0.01 to 80 parts by weight, and preferably from 1 to 60 parts by weight, based on 100 parts by weight of the (C) multifunctional monomer. In this case, if the photopolymerization initiator is used in an amount of less than 0.001 part by weight, the hardening after exposure is insufficient, and it is difficult to obtain a pigmented layer that is arranged according to the desired sequence. On the other hand, if it exceeds 80 parts by weight, The formed pixels tend to fall off the substrate during development. In addition, when a part of the (C) polyfunctional monomer is replaced with a monofunctional monomer, the "(C) polyfunctional monomer 100 parts by weight" means "(C) the polyfunctional monomer and A total of 100 parts by weight of monofunctional monomers ". Among the preferred photopolymerization initiators of the present invention, the acetophenone-based compound may be specifically exemplified by 2-hydroxy-2-methyl-1-phenylpropane-1-one, 2-methyl-1- [4 -(Methylthio) phenyl] -2-morpholinylacetone-1, 2-benzyl-2-dimethylamino-1- (4-morpholinylphenyl) butanone-1, (please Please read the notes on the back before filling in this page) Binding · Ordering -1 ^ This paper size is applicable to China National Standard (CNS) A4 (210 X 297 mm) -23- 200301404 A7 ____B7___ 5. Description of the invention (2〇) 1-Cyclocyclohexyl-phenyl ketone, 2,2-dimethoxy-1,2-diphenylethane-1-one, and the like. Among these acetophenone compounds, 2-methyl-l- [4- (methylthio) phenyl] -2-morpholinylacetone-1, 2-benzyl-2-dimethylamino 1- (4-morpholinylphenyl) butanone-1 is preferred. The acetophenone-based compound may be used alone or in combination of two or more. When an acetophenone-based compound is used as the photopolymerization initiator in the present invention, the amount used is generally from 0.01 to 80 parts by weight, preferably 1 to 80 parts by weight, based on (C) the polyfunctional monomer. To 60 parts by weight, more preferably 1 to 30 parts by weight. In this case, if the amount of acetophenone-based compound is less than 0.01 part by weight, the hardening after exposure is insufficient, and it is difficult to obtain a coloring layer in which pixels are arranged according to the desired sequence. On the other hand, if it exceeds 80 parts by weight, it will form The colored layer tends to fall off from the substrate during development. In addition, when a part of the (C) polyfunctional monomer is replaced with a monofunctional monomer, the above-mentioned "(C) polyfunctional monomer 100 parts by weight" means "(C) the polyfunctional monomer and The total of monofunctional monomers is 500,000 parts by weight. " Specific examples of the biimidazole compounds are 2,2} -bis (2-chlorophenyl) -4,4 ', 5,5'-tetrakis (4-ethoxycarbonylphenyl) -1,2, Diimidazole, 2,2'-bis (2.bromophenyl) -4,4,5,5'-tetrakis (4-ethoxycarbonylphenyl) · 1,2'-biimidazole, 2,2 , Bis (2-chlorophenyl) ^ ,, ^^,-tetraphenyl 丄 ^ biimidazole This paper size is applicable to China National Standard (CNS) A4 specification (210X297 mm) '' -24- (please Read the precautions on the back and fill out this page.) Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, 200301 ^ 04 A7 ______ B7_ V. Description of the invention (21) 2,2'-bis (2,4-dichlorophenyl) ) -4,4,5,5,5-tetraphenyl-1,2'-biimidazole, (Please read the precautions on the back before filling this page) 2.2, -bis (2,4,6-tri (Chlorophenyl) -4,4,5,5'-tetraphenyl-1,2, -biimidazole, 2.2, bis (2-bromophenyl) -4,4,5,5, -tetra Phenyl-1,2, biimidazole 2,2'-bis (2, cardiodibromophenyl) -4,4,5,5, -tetraphenyl-1,2, -biimidazole, 2 , 2'-bis (2,4,6-tribromophenyl) -4,4,5,5, tetraphenyl-1,2, -bi Imidazole. Among these bi-imidazole compounds, 2,2, -bis (2-chlorophenyl) -4,4 ', 5,5'-tetraphenyl 4,2, bi-imidazole, 2,2 , Bis (2,4-dichlorophenyl) -4,4;, 5,5'-tetraphenyl-u, biimidazole, 2,2, bis (2,4,6-trichlorophenyl) -4,4 ', 5,5, tetraphenyl-1,2, -biimidazole, especially 2,2, bis (2,4-dichlorophenyl) -4,4', 5,5 ' -Tetraphenyl-1,2'-biimidazole is more preferred. The above-mentioned bibiimidazole-based compound printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs has excellent solubility in solvents, no foreign matter such as undissolved matter or precipitates, and high sensitivity, which can be fully performed even with only a small amount of energy exposure The hardening reaction, and since the hardening reaction does not occur in the unexposed area, the hardened portion of the coating film after the exposure is insoluble to the developing solution and the unhardened portion having high solubility to the developing solution is clearly distinguished, and accordingly Pixel formation is a highly precise pixel pattern that is arranged in accordance with the desired sequence without depressions. The above biimidazole compounds can be used alone or in combination of two or more. The paper size is applicable to the Chinese National Standard (CNS) A4 (210X 297 mm) -25- 200301 ^ 04 A7 B7_ V. Description of the invention (22) The present invention When the diimidazole-based compound is used as the medium photopolymerization initiator, the amount of the diimidazole-based compound is usually 0.00 to 40 parts by weight, preferably 1 to 30 parts by weight, based on 100 parts by weight of the (C) polyfunctional monomer. More preferably, it is 1 to 20 parts by weight. In this case, if the used amount of the biimidazole-based compound is less than 0.001 parts by weight, the hardening after exposure is insufficient, and it is difficult to obtain a diurnal pattern in which the pixels are arranged according to the desired sequence. On the other hand, if it exceeds 40 parts by weight , The colored layer formed tends to fall off from the substrate during development. In addition, when a part of the (C) polyfunctional monomer is replaced with a monofunctional monomer, the "(C) polyfunctional monomer 100 parts by weight" means "(C) polyfunctional monomer A total of 1,000 parts by weight of the polymer and the monofunctional monomer ". -Hydrogen Donor- When the biimidazole-based compound is used as the photopolymerization initiator in the present invention, the use with the hydrogen donor described below can further improve the sensitivity, which is preferable. Here, the "hydrogen donor" means a compound capable of supplying a hydrogen atom to a radical generated from a biimidazole-based compound upon exposure. The hydrogen donor in the present invention is preferably a cyanide compound, an amine compound or the like as defined below. The above mercapto compound is a benzene ring or a heterocyclic ring as a mother core, and one or more of these are directly bonded to the mother ring, preferably 1 to 3, more preferably 1 to 2 aryl groups (hereinafter referred to as " Actinide hydrogen donor "). Amine compounds use a benzene ring or heterocyclic ring as the mother nucleus, and the mother ring is directly bonded to more than one 'preferably 1 to 3, more preferably 1 to 2 amine groups. The paper size of this paper applies Chinese national standards (CNS) A4 size (210X297 mm) (Please read the precautions on the back before filling out this page) Binding and printing Printed by the Intellectual Property Bureau Staff Consumer Cooperatives of the Ministry of Economics -26-2ϋϋ301404 Α7 Β7 V. Description of the invention (23) (Hereinafter referred to as "amine-based hydrogen donor"). Moreover, these hydrogen donors may have both a fluorenyl group and an amine group. These hydrogen donors are explained in more detail below. Actinium-based hydrogen donors may each have more than one benzene ring or heterocyclic ring, or both a benzene ring and a heterocyclic ring. When there are more than two such rings, a condensed ring may be formed. In addition, when the fluorene hydrogen donor has more than two fluorenyl groups, as long as at least one free fluorenyl group remains, more than one of the other fluorenyl groups may be substituted by alkyl, aralkyl, or aryl groups. It has at least one free fluorene group, and it can have two sulfur atoms that are connected through a divalent organic group such as an alkylene group, or a structural unit that has two sulfur atoms that are bonded through a disulfide bond. The hydrogen donor may be substituted with a carboxyl group, an alkoxycarbonyl group, a substituted alkoxycarbonyl group, a phenoxycarbonyl group, a substituted phenoxycarbonyl group, a nitrile group, or the like outside the fluorenyl group. Such mercapto-based hydrogen donors may be specifically exemplified by 2-fluorenylbenzothiazole, 2-fluorenylbenzoxazole, 2-fluorenylbenzimidazole, 2,5-difluorenyl-1,3, 4-thiadiazole, 2-fluorenyl-2,5-dimethylaminopyridine and the like. Among these fluorene-based hydrogen donors, 2-fluorenylbenzothiazole and 2-fluorenylbenzoxazole are preferred, and 2-fluorenylbenzothiazole is particularly preferred. The amine-based hydrogen donor may have one or more benzene rings or heterocyclic rings, or both of a benzene ring and a heterocyclic ring. When two or more of these rings are present, a condensed ring may be formed. Amine-based hydrogen donors whose one or more amine groups can also be alkyl or substituted. The paper size applies to the Chinese National Standard (CNS) A4 specification (210 × 297 mm). -27- (Please read the notes on the back first (Fill in this page again)

Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, 20031104 A7 B7 V. Description of the invention (24) The fluorenyl group can be replaced. In addition, the positions other than the amine group can also be replaced by a carboxyl group, an alkoxy group, a substituted oxo group, Substituted by phenoxide group, substituted phenoxide group, nitrile group, etc. Specific examples of such an amine-based hydrogen donor include 4,4, -bis (dimethylamino) monobenzophenone, 4,4 '· bis (diethylamino) benzophenone, and 4-bis Ethylaminoacetophenone, 4-dimethylaminopropanbenzene, ethyl-4-dimethylaminobenzoate, 4-dimethylaminobenzoic acid, 4-dimethylaminobenzonitrile, and the like. Among these amine-based hydrogen donors, 4,4'-bis (dimethylamino) benzophenone, 4,4, and bis (diethylamino) benzophenone are preferred, especially 4,4. , Bis (diethylamino) benzophenone is better. The amine-based hydrogen donor has a function as a sensitizer among photopolymerization initiators other than the biimidazole-based compound. In the present invention, the hydrogen donors may be used alone or in combination of two or more kinds. However, if one or more stilbene-based hydrogen donors and one or more amine-based hydrogen donors are used in combination, the color is formed due to formation. The layer is not easy to fall off from the substrate during development, and the strength and sensitivity of the colored layer are both high and good. A specific example of a combination of a hydrogen-based hydrogen donor and an amine-based hydrogen donor is 2-fluorenylbenzothiazole / 4,4'-bis (dimethylamino) benzophenone, 2-fluorenylbenzo Thiazole / 4,4'-bis (diethylamino) benzophenone, 2 · Yenylbenzoxazole / 4,4'-bis (dimethylamino) benzophenone, 2-Fenylbenzene Benzoxazole / 4,4, bis (diethylamino) benzophenone, etc., a more preferred combination is 2-fluorenylbenzothiazole / 4,4, -bis (diethylamino) benzophenone, 2-mercaptobenzoxazole / 4,4, -bis (diethylamino) benzophenone, the best combination is 2-fluorenylbenzothiazole / 4,4'-bis (diethylamino) Benzophenone. This paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) (Please read the precautions on the back before filling out this page) Binding and printing Printed by the Intellectual Property Bureau Staff Consumer Cooperatives of the Ministry of Economics -28- 200301404 Economy Printed by the Intellectual Property Bureau of the Ministry of Intellectual Property, Consumer Cooperative A7, B7 V. Invention Description (25) The combination of actinide hydrogen donors and amine hydrogen donors, of which the weight of actinide hydrogen donors and amine hydrogen donors It is usually 1: 1 to 1: 4, and more preferably 1: 1 to 1: 3. In the present invention, when a hydrogen donor is used with a biimidazole-based compound, the amount used is usually preferably 0.01 to 40 parts by weight, more preferably 1 to 30 parts by weight based on 100 parts by weight of the (C) polyfunctional monomer. Parts, preferably 1 to 20 parts by weight. In this case, if the used amount of the biimidazole-based compound is less than 0.001 parts by weight, the sensitivity improvement effect tends to decrease. On the other hand, if it exceeds 40 parts by weight, the coloring layer formed is likely to develop during development. Tends to fall off the substrate easily. In addition, when a part of the (C) polyfunctional monomer is replaced with a monofunctional monomer, the "(C) polyfunctional monomer 100 parts by weight" means "(C) the polyfunctional monomer and A total of 100 parts by weight of monofunctional monomers ". Specific examples of the above-mentioned trimorphine compound include 2,4,6-tris (trichloromethyl) -s-trimorphine, 2-methyl-4,6-bis (trichloromethyl) -s-triazine , 2 · [2- (5-methylfuran-2yl) ethenyl] -4,6-bis (trichloromethyl) -s · dimorphine, 2- [2- (furan-2-yl) ethene Yl] -4,6-bis (trichloromethyl) -s-trioxo, 2- [2- (4-diethylamino-2-methylphenyl) vinyl] -4,6-bis ( Trichloromethyl) -s-trimorphine, 2- [2 · (3,4-dimethoxyphenyl) vinyl] -4,6-bis (trichloromethyl (Please read the precautions on the back before (Fill in this page)

-UF package, ιτ This paper size applies Chinese National Standard (CNS) A4 specification (210X29 * 7 mm) -29- 200301404 A7 B7 Printed by the Consumers' Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs 5. Description of invention (26) basis)- S-triphine, 2- (4-methoxyphenyl) -4,6-bis (trichloromethyl) -s-triphine, 2- (4-ethoxyphenyl) -4,6- Three farms with halomethyl groups such as bis (trichloromethyl) -s-trimorphine, 2- (4-n-butoxyphenyl) -4,6-bis (trichloromethyl) -s-trimorphine Department of compounds. Among these trimorph compounds, 2- [2- (3,4-dimethoxyphenyl) ethenyl] -4,6-bis (trichloromethyl) -s-trimorph is preferred. The above-mentioned trimorphine compounds may be used alone or in combination of two or more. In the present invention, the amount used when using the three-tillage compound as a photopolymerization initiator is generally 0.01 to 40 parts by weight, and more preferably 1 to 30 parts by weight based on 100 parts by weight of the (C) polyfunctional monomer. Parts, preferably 1 to 20 parts by weight. In this case, if the used amount of the trimorph compound is less than 0.01 parts by weight, the hardening after exposure is insufficient, and it is difficult to obtain a daylight pattern in which the pixels are arranged according to the desired sequence. On the other hand, if it exceeds 40 parts by weight, it is formed. The colored layer tends to fall off from the substrate during development. In addition, when a part of the (C) polyfunctional monomer is replaced with a monofunctional monomer, the above "(C) polyfunctional monomer 100 parts by weight" means "(C) polyfunctional monomer Total 100 parts by weight of the polymer and the monofunctional monomer ". Arbitrarily added components The radiation-sensitive composition for color filters of the present invention may contain various optional added components as required. Any of the above-mentioned added ingredients can be listed if they can further improve radiation sensitivity (please read the precautions on the back before filling this page)

A The size of the paper used for the binding and binding is in accordance with the Chinese National Standard (CNS) A4 (210X297 mm) -30- 200301-04 A7 B7 V. Description of the invention (27) The solubility characteristics of the sensitive composition in the alkali developing solution, and more Furthermore, the organic acid or organic amine compound (except the aforementioned hydrogen donor) that suppresses the undissolved matter remaining after development and other optional components are presented. -Organic acid- The organic acid is preferably an aliphatic carboxylic acid or a phenyl-containing carboxylic acid having one or more carboxyl groups in the molecule and a molecular weight of 1,000 or less. Examples of the above-mentioned aliphatic acids include aliphatic monocarboxylic acids such as formic acid, acetic acid, propionic acid, butyric acid, valeric acid, trimethylacetic acid, hexanoic acid, diethylacetic acid, heptanoic acid, and octanoic acid; oxalic acid, and malonic acid Acid, succinic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid, sebacic acid, glutaric acid, methylmalonic acid, ethylmalonic acid, dimethylmalonic acid Acid, methylsuccinic acid, tetramethylsuccinic acid, cyclohexyl dicarboxylic acid, itaconic acid, citraconic acid, maleic acid, fumaric acid, mesaconic acid and other aliphatic dicarboxylic acids; glyceric acid, Aliphatic tricarboxylic acids such as aconitic acid and camphoric acid. Examples of the phenyl-containing carboxylic acid include a compound in which a carboxyl group is directly bonded to a phenyl group, or a compound in which a carboxyl group is connected to a phenyl group through a carbon chain. Examples of carboxylic acids containing phenyl include: aromatic monocarboxylic acids such as benzoic acid, toluic acid, cumic acid, dimethylbenzoic acid, and trimethylbenzoic acid; o-phthalic acid, m-phthalic acid , Terephthalic acid and other aromatic dicarboxylic acids; trimellitic acid, trimellitic acid, trimellitic acid, pyromellitic acid and other aromatic paper sizes applicable to Chinese National Standard (CNS) A4 specifications (210X297 mm) (Please read the precautions on the back before filling this page} Packing-Printed by the Consumers' Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs -31-301404 A7 _____B7 V. Description of Invention (28) Group of polycarboxylic acids; or phenylacetic acid, hydrogen Atropic acid, hydrocinnamic acid, bitter mandelic acid, phenylalanic acid, atropic acid, cinnamic acid, cinnamic acid, coumaric acid, umbellic acid, etc. 0 Among these organic acids, the alkali dissolves From the viewpoints of the solubility of the following solvents and the prevention of surface uncleanness or film residue on the substrate and the light-shielding layer of the unexposed portion, aliphatic dicarboxylic acids are preferred, and adipic acid is particularly preferred. , Itaconic acid, citraconic acid, fumaric acid, mesaconic acid, etc. are better, Phenyl carboxylic acids are preferably aromatic dicarboxylic acids, especially phthalic acid. The above organic acids can be used alone or in combination of two or more. The amount of organic acids used is from (A) to (D) The total amount of each component and any additional components is generally 15% by weight or less, preferably 10% by weight or less. In this case, if the amount of the organic acid used exceeds 15% by weight, the adhesion of the colored layer to the substrate is formed. The organic amine compound is preferably an aliphatic amine or a phenyl-containing amine having one or more amine groups in the molecule. Examples of the aliphatic amine include n-propylamine, isopropylamine, Mono (cyclic) amines such as n-butylamine, isobutylamine, second butylamine, third butylamine, n-pentylamine, and n-hexylamine; methyl ethylamine, diethylamine, methyl n-propylamine, ethyl n-butylamine Propylamine, di-n-propylamine, diisopropylamine, di-n-butylamine, diisobutylamine, disecondary butylamine, two paper sizes are applicable to China National Standard (cNS) A4 (210x297 mm) (Please read the back Please fill in this page again for attention) Packing-Ordering Staff Consumption Printed by the cooperative-32- 200301404 A7 B7 V. Description of the invention (29) Di (cyclo) alkylamines such as tertiary butylamine; (Please read the precautions on the back before filling this page) Dimethylethylamine, methyl Diethylamine, triethylamine, dimethyl-n-propylamine, diethyl-n-propylamine, methyl-di-n-propylamine, tri-n-propylamine, triisopropylamine, tri-n-butylamine, triisobutylamine, tri-second-butylamine, Tris (cyclo) alkylamines such as tertiary butylamine; 2-aminoethanol '3-amino-1-propanol, 1-amino-2-propanol, 4-amino-1-butanol, etc. Mono (cyclo) alkanolamines; Diethanolamine, di-n-propanolamine, diisopropanolamine, di-n-butanolamine, diisobutanolamine and other di (cyclo) alkanolamines; triethanolamine, tri-n Tri (cyclo) alkanolamines such as propanolamine, triisopropanolamine, tri-n-butanolamine, and triisobutanolamine; 3-amino-1,2-propanediol, 2-amino-1,3 -Propylene glycol, 4-amino-1,2-butanediol, 4-amino-1,3-butanediol, 3-dimethylamino-1,2-propanediol, 3-diethylamino-1 2,2-propanediol, 2-dimethylamino-1,3-propanediol, 2-diethylamino-1,3-propanediol and other amine (cyclo) alkanediols; / 3 -propane Acid, 2-aminobutyric acid, 3-amino butyric acid, 4-aminobutyric acid, 2-amino isobutyric acid, 3-amino-isobutyric acid and the like amino acids. Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. Examples of amines containing phenyl groups include compounds in which an amine group is directly bonded to a phenyl group, and compounds in which an amine group is bonded to a phenyl group through a carbon chain. Phenyl-containing amines are, for example: aniline, o-methylaniline, m-methylaniline, p-methylaniline, p-ethylaniline, 1-naphthylamine, 2-naphthylamine, N, N- Aromatic amines such as diethylaniline, p-methyl-N, N-dimethylaniline; o-aminobenzyl alcohol, m-aminobenzyl alcohol, p-aminobenzyl alcohol, this paper is applicable to China National standard (CNS> A4 specification (210X29? Mm) -33- 200301404 A7 B7 V. Description of the invention (30) p-dimethylaminobenzyl alcohol, p-diethylaminobenzyl alcohol and other aminobenzyl alcohols f o-aminophenol, m-aminophenol, p-aminophenol, p-dimethylaminophenol, p-diethylaminophenol and other aminophenols; m-aminobenzoic acid, p-aminophenol -Aminobenzoic acid, p-dimethylaminobenzoic acid, p-diethylaminobenzoic acid (derivatives) and the like. Among these organic amine compounds, the solubility in the following solvents From the viewpoints of preventing surface uncleanness or film residue on the substrate and light-shielding layer of the unexposed part, the aliphatic amines are preferably mono (cyclo) alkanolamines and amine (cyclo) alkanediols, especially 2 -Aminoethyl Alcohol, 3-amino-1-propanol, 5-amino-1-pentanol, 3-amino-1, 2-propanediol, 2-amino-1, 3-propanediol, 4-amino-1 2-butanediol and the like are more preferable, and amines containing phenyl groups are preferably aminophenols, especially o-aminophenol, m-aminophenol, and p-aminophenol. The above organic amine compounds may be Two or more kinds can be used alone or in combination. The amount of the organic amine compound is generally 15% by weight or less, and preferably 10% by weight or less based on the total amount of each component (A) to (D) In this case, if the amount of the organic amine compound used exceeds 15% by weight, the adhesion between the colored layer and the substrate tends to decrease.-Other optional added components-Other optional added components can be exemplified by: copper phthalocyanine derivative Dispersing additives such as cyan pigment derivatives or yellow pigment derivatives; this paper size applies Chinese National Standard (CNS) A4 specification (210 x 297 mm) (please read the precautions on the back before filling in this page) Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs-34- 200301404 A7 B7 V. Description of the invention (31) Glass, oxidation Isocratic fillers; Polyvinyl alcohol, polyethylene glycol monoalkyl ethers, poly (fluoroalkylpropyl esters) and other polymer compounds; non-ionic, cationic, anionic and other surfactants: ethylene Trimethoxysilane, ethylenetriethoxysilane, ethylene ginseng (2-methoxyethoxy) silane, N- (2-aminoethyl) -3-aminopropyl · methyl • dimethoxy Silane, N- (2-aminoethyl) -3-aminopropyltrimethoxysilane, 3-aminopropyltriethoxysilane, 3-aminopropyltriethoxysilane, 3- Glycidyltrimethoxysilane, 3-glycidyl-methyl-dimethoxysilane, 2- (3,4-epoxycyclohexyl) ethyltrimethoxysilane, 3-chloropropyl • Methyl · dimethoxysilane, 3-chloropropyltrimethoxysilane, 3-methacryloxypropyltrimethoxysilane, 3-methylpropyltrimethoxysilane and other accelerators; Antioxidants such as 2,2-thiobis (4-methyl-6-tert-butylphenol), 2,6-di-tert-butylphenol; 2- (3-tert-butyl-5-methyl 2-Hydroxyphenyl) -5-chlorobenzotriazole, alkoxybenzophenones and other UV absorbers Anticoagulants such as sodium polyacrylate; 1, plant-azobis (cyclohexane-1-carbonitrile), 2-phenylazo-4-methoxy-2,4-dimethylvaleronitrile, etc. Thermal free radical generators, etc. Solvent The radiation-sensitive composition for a color filter of the present invention uses the above-mentioned components (A) to (D) as an essential component, and may also contain the paper size as described in the Chinese National Standard (CNS) A4 specification as required (210X297mm) (Please read the precautions on the back before filling out this page} Packing. Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs-35- 200301104 A7 B7 V. Description of the invention (32) Any additional ingredients are usually matched The solvent is prepared into a liquid composition. (Please read the precautions on the back before filling this page.) As long as the above solvents can disperse or dissolve the components (A) to (D) or additive components that constitute the radiation-sensitive composition, and Those that do not react with these ingredients and have moderate volatility can be appropriately selected and used. Such solvents can be specifically exemplified by ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, and ethylene glycol mono-n-propyl Ether, ethylene glycol mono-n-butyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol mono-n-propyl ether, diethylene glycol mono-n-butyl ether, triethylene glycol Ethylene glycol monomethyl ether, triethylene glycol monoethyl ether Ether, propylene glycol monomethyl ether, propylene glycol monoethyl ether, propylene glycol mono-n-propyl ether, propylene glycol mono-n-butyl ether, dipropylene glycol monomethyl ether, dipropylene glycol monoethyl ether, dipropylene glycol mono-n-propyl ether, (Poly) alkanediol monoalkyl ethers such as dipropylene glycol mono-n-butyl ether, tripropylene glycol monomethyl ether, and tripropylene glycol monoethyl ether; ethylene glycol monomethyl ether acetate, ethylene glycol monoethyl ether Ether ether acetate, diethylene glycol monomethyl ether acetate, diethylene glycol monoethyl ether acetate, propylene glycol monomethyl ether acetate, propylene glycol monoethyl ether acetate, etc. (poly ) Alkanediol monoalkyl ether acetates; Diethylene glycol monodimethyl ether, diethylene glycol methyl ethyl ether, diethylene glycol diethyl ether printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs And other ethers such as tetrahydrofuran; ketones such as methyl ethyl ketone, cyclohexanone, 2-heptanone, and 3-heptanone; alkyl lactates such as methyl 2-hydroxypropionate and ethyl 2-hydroxypropionate ; Ethyl 2-hydroxy-2-methylpropionate, methyl 3-methoxypropionate, ethyl 3-methoxypropionate, methyl 3-ethoxypropionate, 3-ethoxypropionate Acid B Ester, ethyl ethoxyacetate, ethyl hydroxyacetate, methyl 2-hydroxy-3-methylbutyrate This paper is sized for China National Standard (CNS) A4 (210X297 mm) -36- 2 Ministry of Economic Affairs Printed by the Consumer Affairs Cooperative of the Property Bureau 301104 A7 _____B7_ V. Description of the Invention (33), 3-methyl-3-methoxybutyl acetate, ethyl acetate, n-propyl acetate, isopropyl acetate, acetic acid N-butyl ester, isobutyl acetate, n-amyl formate, isoamyl acetate, n-butyl propionate, ethyl butyrate, n-propyl butyrate, isopropyl butyrate, n-butyl butyrate, pyruvate Methyl ester, ethyl pyruvate, n-propyl pyruvate, methyl acetate, ethyl acetate, ethyl 2-oxobutyrate and other esters; aromatic hydrocarbons such as toluene and xylene; N -Methylpyrrolidone, N, N-dimethylformamide, N, N-dimethylacetamide and the like amines. Among these solvents, propylene glycol monomethyl ether, ethylene glycol monomethyl ether acetate, propylene glycol monomethyl ether acetate, and propylene glycol are considered from the viewpoints of solubility, dispersibility of pigment, and coating property. Monoethyl ether acetate, diethylene glycol dimethyl ether, diethylene glycol methyl ethyl ether, cyclohexanone, 2-heptanone, 3-heptanone, ethyl 2-hydroxypropionate, 3 -Ethyl methoxypropionate, methyl 3-ethoxypropionate, ethyl 3-ethoxypropionate, 3-methyl-3-methoxybutylpropionate, n-butyl acetate, Isobutyl acetate, n-amyl formate, isoamyl acetate, n-butyl propionate, ethyl butyrate, isopropyl butyrate, n-butyl butyrate, ethyl pyruvate and the like are preferred. These solvents may be used alone or in combination of two or more. The above solvents may be used with benzylethyl ether, di-n-hexyl ether, acetone acetone, isophorone, hexanoic acid, octanoic acid, 1-octanol, 1-naphthol, benzyl alcohol, benzyl acetate, High boiling point solvents such as ethyl benzoate, diethyl oxalate, diethyl maleate, r-butyrolactone, ethylene carbonate, propylene carbonate, and ethylene glycol monophenyl ether acetate are used. These high boiling point solvents may be used alone or in combination of two or more. This paper size applies Chinese National Standard (CNS) A4 specification (210X297 mm) (Please read the precautions on the back before filling this page). Binding-37- 200301 * ^ 04 A7 B7 V. Description of the Invention (34) ( Please read the precautions on the reverse side and fill in this guide) There is no particular limitation on the amount of solvent used, but from the standpoint of coatability and safety of the resulting radiation-sensitive composition, the components of the composition other than the solvent The total concentration is generally 5 to 50% by weight, and more preferably 10 to 40% by weight. Method for forming colored layer Next, a method for forming a colored layer using the radiation-sensitive composition of the color filter of the present invention will be described. The step of forming the colored layer includes at least the following steps: (1) a step of forming a coating film of the radiation-sensitive composition for a color filter of the present invention on a substrate, (2) an exposure amount of 10 to 100,000 J7m2 Radiation rays irradiate at least a part of the coating film, (3) an imaging step using an inspection solution, and (4) a step of heating at 180 to 230 ° C for 20 to 40 minutes. The following explains them in order. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs (1) forming a coating film of the radiation-sensitive composition for a color filter of the present invention on a substrate on the substrate surface, and forming a division of the formed daylight portion as necessary The light-shielding layer is coated on the substrate with a radiation-sensitive composition in which a red pigment is dispersed, for example, and then pre-baked to evaporate the solvent to form a coating film. The substrate used here can be exemplified by cyclic olefins such as glass, silicon, polycarbonate, polyester, aromatic polyamide, polyamidamine, polyimide, polyester, etc. This paper is suitable for this paper China National Standard (CNS) A4 specification (210X297 mm) -38-200301404 A 7 B7 V. Description of the invention (35) Ring-opening polymers and hydrogenated substances. In addition, these substrates can also be subjected to appropriate pre-treatments as required, such as chemical treatments such as silicon coupling agents, plasma treatments, ion plating, sputtering, gas phase reaction methods, and vacuum evaporation. When applying a radiation-sensitive composition to a substrate, a suitable coating method such as spin coating, cast coating, or roll coating can be used. The pre-baking conditions are generally about 2 to 4 minutes at 70 to 110 ° C. The coating thickness is generally 0.1 // m-10 / zm after removing the solvent, and more preferably about 0.2 // m-8.0 / zm, preferably about 0.2 / zm-6.0 # m. (2) The step of irradiating at least a part of the coating film with a radiation of 10 to 10, 000 (U / m2) is followed by, for example, a portion of the coating film formed as described above, for example, by having Exposure of a mask with an appropriate pattern. At this time, the visible rays, ultraviolet rays, extreme ultraviolet rays, electron beams, X-rays, etc. can be used as radiation rays, and radiation rays having a wavelength in the range of 190 to 450 nm are preferred. The exposure amount is 10 to 10, 000 (U / m2.) (3) a developing step using an alkali developing solution and then developing using an alkali developing solution to dissolve and remove unexposed portions of the coating film. As the image liquid, for example, sodium carbonate, sodium hydroxide, potassium hydroxide, tetramethylammonium hydroxide, choline, 1,8-diazabicyclo- [5,4, 〇] -7-undecene, 1,5-diazabicyclo- [4,3,0] -5-nonene, etc. This paper size is applicable to Chinese National Standard (CNS) A4 specification (210X297 mm) (Please read the precautions on the back before filling (This page) Equipment-Printed by the Consumers 'Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs-39- Printed by the Consumers' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 301104 Μ Β7 V. Description of the Invention 36) An aqueous solution is preferred. A water-soluble organic solvent such as methanol, ethanol, or a surfactant may be added to the above-mentioned developing solution as appropriate. In addition, washing with water after developing with alkali is generally used. The developing method may use washing. Development method, spray development method, immersion development method, kneading type (slurry type) development method, etc. The development conditions are preferably 5 to 300 seconds at normal temperature. (4) Heating at 180 to 230 ° C The step of 20 to 40 minutes is followed by heating (post-baking) to form a pixel pattern of red daytime pigments arranged in a prescribed sequence. The conditions of this heating step are about 180 to 230 ° C for 20 to 40 minutes. Each radiation-sensitive composition of the green or cyan pigment is subjected to the same operations as the above steps (1) to (4), and the steps of forming, exposing, developing and heating the coating film of each color composition are performed on the same substrate By forming the green pixel pattern and the cyan pixel pattern, a daytime pattern of three primary colors of red, green, and cyan can be obtained on a substrate. The formation order of the daytime pattern of each color is not limited to the above. Light film hair The color filter has a coloring layer obtained as described above. Therefore, the color filter of the present invention has a high transmittance and contrast ratio, and has a red pixel pattern in which no foreign matter appears on the formed pattern. The color filter of the present invention The film thickness of the red pixel pattern of the light film is based on the paper size and applies the Chinese National Standard (CNS) A4 specification (210X297 mm) (Please read the precautions on the back before filling in this purchase)

-40- 301404 A7 B7 V. Description of the invention (37) 0.5 // m to 5.0 / zm, more preferably 1.5 / zm to 3.0 / zm. When the red pixel pattern of the color filter of the present invention has a film thickness of 1.50 / zm, the contrast ratio can be 500 or more, more preferably 600 or more, and no foreign matter appears on the formed pattern. In addition, although it is known that the average particle diameter r of the pigment used is less than 100 nm, the contrast ratio can be sufficiently improved, but it has a contrast ratio of 500 or more, and the formed pattern has no foreign matter appearing on the red pigment and a color filter for forming the pigment. The radiation-sensitive composition for tablets is unknown. Therefore, the radiation-sensitive composition for a color filter of the present invention is extremely useful for a transmissive or reflective color liquid crystal display device, a color camera tube element, a color sensor, and the like. In addition, the above-mentioned measurement of the contrast ratio is to sandwich the substrate on which the daylight has been formed with two deflection plates, and irradiate the fluorescent lamp from the reverse side while rotating the deflection plate on the whole side to measure the maximum and minimum 强度 of the transmitted light intensity, that is, It is possible to determine the maximum 値 divided by the minimum 値. Color liquid crystal display device The color liquid crystal display device of the present invention includes a coloring layer formed from the radiation-sensitive composition for a color filter of the present invention by the method described above. The color liquid crystal display device of the present invention can adopt an appropriate structure. For example, a color filter may be separately produced on a substrate other than a driving substrate on which a thin film transistor (TFT) is disposed, and the driving substrate and the color filter are configured to face each other through a liquid crystal layer. This paper size applies to Chinese National Standard (CNS) A4 (210X29 * 7mm) (Please read the precautions on the back before filling this page)

• Order A Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs-41-20030M04 A7 B7 V. Description of Invention (38) In addition, a substrate on which a color filter is formed on the surface of a driving substrate with a thin film transistor can be used. The structure facing the substrate forming the ITO (tin-doped indium oxide) electrode is through a liquid crystal layer. The latter structure is characterized by a particularly high aperture ratio and a bright and high-precision display element. [Examples] Hereinafter, examples are used to more specifically describe the implementation modes of the present invention. However, the present invention is not limited to the following examples. Example 1 100 parts by weight of 40 parts by weight of a 65/35 (weight ratio) mixture of CI Pigment Red 254 and CI Pigment Yellow-139 (A) as a pigment, and (B) EFKA-47 (ZENEKA) as a dispersant (Manufactured) 10 parts by weight, (C) 100 parts by weight of ethyl 3-ethoxypropionate as a solvent, the mixed solution was placed in a diamond refiner (trade name, manufactured by Mitsubishi Materials Corporation) and stirred for 2 hours, and The obtained pigment dispersion liquid, 70 parts by weight of (D) alkali-soluble resin, methacrylic acid / styrene / benzyl methacrylate / glycerol monomethacrylate / N-phenylmaleimide copolymer (copolymerization) Weight ratio = 15/15/35/10/25, Mw = 30,000, Mn = 10,000), 80 parts by weight (E) of polyfunctional monomer dipentaerythritol hexaacrylate, 50 parts by weight (F) of photopolymerization initiator Mixing 2-benzyl-2-dimethylamino-1- (4-morpholinylphenyl) butanone-1 with 1,000 parts by weight of propylene glycol monomethyl ether acetate as a solvent to modulate the radiation-sensitive composition物 (R1). In addition, the dispersion of the pigment mixture used above is determined by dynamic light scattering method. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) (please read the precautions on the back before filling this page). Printed by the Consumer Cooperative of the Property Bureau-42- 200301404 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 B7_V. Description of the invention (39) The average particle size before the process is 600nm ° On the other hand, the pigment dispersion liquid after dispersion treatment The average particle diameter is 100 nm, and the particles having a particle diameter of 200 nm or less account for more than 81% of the total. 〈Formation of red day pigment〉 Using a spin coater, apply a radiation-sensitive composition (R 1) on a soda glass substrate on which a Si0 2 film preventing sodium elution is formed on the surface, and then clean it at 90 ° C. Pre-baked in the oven for 10 minutes to form a coating film with a film thickness of 2.0. After the substrate was cooled to room temperature, the coating film was irradiated with radiation having a wavelength of 3 65 nm, 405 nm, and 436 nm through a mask using a high-pressure mercury lamp, and exposed at an exposure amount of 5,00 (U / cm2. The substrate was immersed in a developing solution composed of 0.04% sodium hydroxide aqueous solution at 23 ° C for 1 minute. After the development, the substrate was washed with ultrapure water and air-dried, followed by baking at 250 ° C for 30 minutes. A red stripe pixel pattern is formed on the film. The film thickness of the day pattern is 1.60 // m. <Evaluation of Foreign Matter> The obtained pixel pattern is observed with an optical microscope to confirm that there is no foreign matter on the pattern. Using a color analyzer- TC-1 800M (manufactured by Tokyo Denshoku Co., Ltd.) evaluated the chromaticity of the pixel pattern, (x, y, Y) = (0.650, 0.325, 19.1). <Evaluation of Contrast Ratio> The two deflector plates were used to clamp the above as described above. Substrate with formed pixels, (Please read the precautions on the back before filling this page)-Binding and binding This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) -43- 2 0 0 〇01-! 0 4 A7 B7 V. Description of the invention (4〇) The fluorescent light is illuminated on the reverse side and the whole side Rotate the deflection plate to measure the maximum and minimum 値 of the transmitted light intensity. Divide the maximum 値 by the minimum 该 at this time as the "contrast ratio", and the resulting 値 is 730. Example 2 In Example 1, except that The stirring time of the pigment dispersion liquid was changed to 1 hour, and the rest was operated in the same manner as in Example 1 to prepare a radiation-sensitive composition (R 2). The average particle diameter of the pigment dispersion liquid after the dispersion treatment used here was dynamically changed. The light scattering method measured 150 nm, and the particles with a particle diameter of 50 to 250 nm were 68% of the total. Except the use of a radiation-sensitive composition (R2), the rest of the method was operated in the same manner as in Example 1 to form a thickness of 1.60 on the substrate. The red stripe pixel pattern of / m has only a few confirmed foreign objects on the pattern. The number of foreign objects in the range of 100 // mx 100 is an average of 4. Also, the chromaticity of the pixel pattern is evaluated, ( x, y, Y) = (0.650, 0.325, 19.0), and the contrast ratio is 650. Comparative Example 1 In Example 1, except that the stirring time of the pigment dispersion liquid was changed to 5 hours, the rest were in accordance with Example 1 Operate in the same way, modulating the radiation sensitivity group A finished object (rl). Except for using the radiation-sensitive composition (rl), the rest was operated in the same manner as in Example 1 to form a red stripe pixel pattern with a thickness of 1.60 // m on the substrate, and evaluated This paper size applies to Chinese National Standard (CNS) Α4 size (210 X 297 mm) Packing-(Please read the precautions on the back before filling this page)

Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs-44- 200301404 A7 __ B7 V. Invention Description (41) (Please read the notes on the back before filling this page) Evaluate the chromaticity of the pixel pattern, (x, y, Y) = (0.650, 0.326, H3). The contrast ratio is as high as 1,100, but it is confirmed that foreign matter appears on the pattern. The number of foreign objects in the range of 100 / zmxl00 / zm is 80 on average, which is not suitable as a pixel for display elements. In addition, the average particle diameter of the pigment dispersion liquid after the dispersion treatment was measured by a dynamic light scattering method to be 40 nm, and the particles having a particle diameter of 140 nm or less were 82% of the total. Example 3 In addition to CI Pigment Red 254 using (A) as a pigment, and C. I. Pigment Red-177 and CI Pigment Yellow-139, 50 parts by weight of 50/20/30 (weight ratio) mixture, (B) 10 parts by weight of BYK-162 (by BYK) as a dispersant for dispersion Except for the treatment, the rest were operated in the same manner as in Example 1 to modulate the radiation-sensitive composition (R3). Printed by the Consumers' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. The average particle size of the pigment dispersion after dispersion treatment used here is determined by dynamic light scattering method to be 500 nm, and particles in the range of 400 to 600 nm are 51% of the total. On the other hand, the average particle diameter of the pigment dispersion after the dispersion treatment is 110 nm, and the particles having a particle diameter of 210 nm or less are 79% of the total. A red stripe pixel pattern with a thickness of 1.60 // m was formed on the substrate in the same manner as in Example 1 except that the liquid composition (R2) was used. No foreign matter was confirmed on the pattern. Evaluate the chromaticity of the pixel pattern, (x, y, Y) = (0.65 0, 0.326, 19.1), and the contrast ratio is 700 °. This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm)- 45- 301404 A7 B7 V. Description of the Invention (42) Comparative Example 2 In Example 3, except that the pigment mixture was not dispersed, the rest of the operation was performed in the same manner as in Example 1 to modulate the radiation-sensitive composition (r2 ). Except for using the radiation-sensitive composition (r2), the rest was operated in the same manner as in Example 1 to form a red stripe day pattern with a thickness of 1.60 // m on the substrate, and it was evaluated that no foreign matter was confirmed on the pattern . However, when evaluating the chromaticity of the daylight pattern, (x, y, Y) = (0.650, 0.322, 17.5), the luminance Y 値 decreases, and the contrast ratio is 350, which cannot be used as a daylight element for display elements. Effects of the Invention According to the present invention, a radiation-sensitive composition for a color filter for forming a red daylight with high transmittance and high contrast ratio, which does not appear foreign matter on the formed pattern, and a high yield, is provided. A method for forming a colored layer with an object, and a color filter and a liquid crystal display element having the colored layer. The radiation-sensitive composition for a color filter of the present invention is extremely suitable for manufacturing various types of machines having a color filter including a color liquid crystal display device in the field of the electronics industry. This paper size applies to China National Standard (CNS) A4 (210X297 mm) (Please read the precautions on the back before filling out this page) Binding and Ordering Printed by the Employees' Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs -46-

Claims (1)

200301404 A8 B8 C8 __ D8 6. Scope of patent application 1 1. A radiation sensitive composition for color filters, which contains ((Please read the precautions on the back before filling this page) A) pigments, (B) alkali Soluble resin, (C) polyfunctional monomer, and (D) photo radical generator, characterized by: (A) the average particle diameter r (run) of the pigment is 100 $ r € 300 and contains CI · Pigment Red 254. The amount of (B) alkali-soluble resin is 10 to 1,000 parts by weight based on 100 parts by weight of (A) pigment. The amount of (C) polyfunctional monomer is used to 100 of (B) alkali-soluble resin. The weight part is 5 to 500 parts by weight and the use amount of the (D) photo radical generator to the use amount of the (C) polyfunctional monomer is 0.01 to 80 parts by weight. 2. The radiation-sensitive composition for a color filter according to item 1 of the patent application scope, wherein the content of (A) pigment C.I. Pigment Red 254 is 30% by weight or more. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 3. If the radiation-sensitive composition for color filters is applied for in the scope of patent application item 1, in which (B) the alkali-soluble resin is ① with acrylic acid and / or methacrylic acid as An essential ingredient, and optionally contains at least one selected from the group consisting of mono (2-propenyloxyethyl) succinate, mono (2-methacryloxyethyl) succinate, and ω-carboxy polycaprolactone Monoacrylate and ω-carboxy polycaprolactone monomethacrylate group compounds containing carboxy unsaturated monomers and ② at least one selected from the group consisting of styrene, methyl acrylate, methyl methacrylate, and acrylic acid 2- Hydroxyethyl ester, 2-hydroxyethyl methacrylate, allyl acrylate, allyl methacrylate, benzyl acrylate, benzyl methacrylate, glycerol monomethacrylate, glycerol monoacrylate, N -Copolymers of monomers of phenylmaleimide, polystyrene macromonomer and polymethylmethacrylate macromonomer group. This paper size applies Chinese National Standard (CNS) A4 specification (210 ×; 297 mm) -47- 200301404 A8 B8 C8 __ D8 VI. Application for patent scope 2 4 · A method for forming a colored layer, which is characterized by including at least the following steps : (1) a step of forming a coating film of a radiation-sensitive composition for a color filter according to any one of claims 1 to 3 on a substrate, (2) a radiation with an exposure amount of 10 to 10,000 J / m2 A step of irradiating at least a part of the coating film with a wire, (3) a developing step using an alkali developing solution, and (4) a step of heating at 180 to 23 (TC for 20 to 40 minutes.) 5. a color filter Sheet characterized by having a coloring layer formed of the radiation-sensitive composition for a color filter according to any one of claims 1 to 3. 6. A color liquid crystal display device characterized by having A coloring layer formed by a radiation-sensitive composition for color filters in any one of the scope of application for patents 丨 3. (Please read the precautions on the back before filling this page) Staff of the Intellectual Property Bureau of the Ministry of Economic Affairs Consumer Cooperative Printed Paper Ruler Applicable to China National Standard (CNS) A4 specification (210X297 mm) -48- 200301404 (1). The representative representative picture in this case is: None (2). The component representative symbol in this representative picture is simply explained: None (3). If there is a chemical formula, please disclose the chemical formula that best shows the characteristics of the invention: None