TWI785791B - Green photosensitive resin composition, and color filter formed therefrom - Google Patents

Abstract

A green photosensitive resin composition includes (A) a coloring agent; (B) an alkali-soluble resin; (C) a photo polymerizable monomer; (D) a photo polymerization initiator; and (E) a solvent. The coloring agent (A) includes (A1) a blue coloring agent and (A2) a yellow coloring agent. The combination of the blue coloring agent (A1) and the yellow coloring agent (A2) meets the selected color transparency ≥ 50%, wherein the selected color transparency is defined as follows: Selected color transparency =

Description

Green photosensitive resin composition, and formed color filter

The present disclosure relates to a green photosensitive resin composition and its application.

In various display devices (such as liquid crystal display devices), sensing devices (such as photosensitive coupling devices (Charge-coupled Device, CCD), complementary metal-oxide-semiconductor (Complementary Metal-Oxide-Semiconductor, CMOS) sensing devices), In order to display or sense light of a specific color, it is necessary to rely on color filters in the device. Generally speaking, the green photosensitive resin composition required by the color filter can be prepared, and the resin composition is formed into a layer on the substrate, and the required pattern is obtained through exposure and development to form a color filter. light sheet.

After the low-temperature process, the light fastness of the color filter made of the green photosensitive resin composition is poor, which affects the color performance of the color filter, and further affects the chromaticity of the color panel after the process. .

Therefore, although the existing green photosensitive resin compositions generally meet various requirements, they are not satisfactory in every aspect, so there is still a demand for improvement of the green photosensitive resin composition.

(式一)。 An embodiment of the present invention provides a green photosensitive resin composition, including: (A) a colorant; (B) an alkali-soluble resin; (C) a polymerizable unsaturated compound; (D) a photopolymerization initiator; Solvent, wherein the colorant (A) includes a blue colorant (A1) and a yellow colorant (A2), and the combination of the blue colorant (A1) and the yellow colorant (A2) meets the color selection transmittance ≥ 50% , where the color selection penetration is defined as: Color selection penetration =

(Formula 1).

An embodiment of the present invention further provides a color filter formed of the above-mentioned green photosensitive resin composition.

In order to make the features of the present disclosure clear and easy to understand, the following examples are specifically cited below, together with the accompanying drawings, for a detailed description as follows. For other precautions, please refer to the technical field.

The following is a detailed description of the green photosensitive resin composition and color filter provided in this case. It should be understood that the following descriptions provide many different embodiments or examples for implementing different aspects of some embodiments of the present disclosure. The specific components and arrangements described below are only for simple and clear description of some embodiments of the present disclosure. Of course, these are only examples rather than limitations of the present disclosure.

In the text, the terms "about", "approximately" and "substantially" usually mean within 5%, preferably within 3%, more preferably within 1%, or within 2% of a given value or range , or within 1%, or within 0.5%. The quantities given here are approximate quantities, that is, the terms "about", "approximately" and "substantially" can still be implied if there is no specific description of "about", "approximately" and "substantially". meaning.

Traditional color filters made of green photosensitive resin compositions that directly use green colorants tend to have poor light resistance due to low-temperature processing, which affects the performance of color filters in terms of color properties, which in turn affects the color of color panels. Spend. To solve the above problems, the present invention uses a combination of blue colorant and yellow colorant to replace the traditional green colorant. The color filter made of the green photosensitive resin composition has good light resistance after low temperature processing.

In addition, the present invention establishes a judging method for selecting the composition of the blue colorant and the yellow colorant, so that the green photosensitive resin composition can maintain good penetration even after a low-temperature process. The following two parameters will be used to evaluate green photosensitivity by (1) the integral value of the transmittance value of the color penetration value at a wavelength of 380nm to 780nm after being irradiated with a light source and (2) the integral value of the transmittance value of a light source at a wavelength of 380nm to 780nm Penetration of permanent resin composition. In this specification, the transmittance T% of the green photosensitive resin composition is obtained by making a color chip and measuring it with a colorimeter.

An embodiment of the present invention provides a green photosensitive resin composition, comprising: (A) colorants; (B) Alkali-soluble resin; (C) polymerizable unsaturated compounds; (D) a photopolymerization initiator; and (E) solvent, Wherein the coloring agent (A) comprises blue coloring agent (A1) and yellow coloring agent (A2), wherein the combination of blue coloring agent (A1) and yellow coloring agent (A2) is evaluated by color selection penetration, color selection Transmittance ≥ 50%, can maintain high transparency after low-temperature process, optimize performance, and suppress image quality degradation of display devices.

(式一) 。 The color selection penetration is defined as: Color selection penetration =

(Formula 1).

In detail, the green photosensitive resin composition of the embodiment of the present invention includes: 10-45% by weight of coloring agent (A); 5-30% by weight of alkali-soluble resin (B); 1-30% by weight of polymerized unsaturated compound (C); 0.1-2.5% by weight of photopolymerization initiator (D); and 35-80% by weight of solvent (E).

In a specific embodiment, the green photosensitive resin composition comprises: 10-30% by weight of coloring agent (A); 10-30% by weight of alkali-soluble resin (B); 1-20% by weight of polymerizable Saturated compound (C); 0.1-1.5% by weight of photopolymerization initiator (D); and 35-70% by weight of solvent (E).

The embodiment of the present invention selects the blue colorant (A1) and the yellow colorant (A2) in the green photosensitive resin composition by color selection penetration greater than or equal to 50%, to ensure that the green photosensitive resin composition has good penetration.

First, let’s explain the color selection transparency:

[Color Selection Penetration]

(式一) 並參照第1圖對選擇穿透度做說明，第1圖係光源、綠色感光性樹脂組成物、光源照射綠色感光性樹脂組成物後於可見光波長範圍(380-780nm)的穿透圖譜，在第1圖中分別以光源穿透值、顏色穿透值、顏色穿透值*光源穿透值來表示，式一中分子的

係指如第1圖中的光源照射綠色感光性樹脂組成物後的穿透值於可見光波長範圍的積分值，且在20-35的範圍，分母的

係指如第1圖中的光源於可見光波長範圍的積分值。 By measuring the color selection transmittance of the combination of blue colorant (A1) and yellow colorant (A2) in the green photosensitive resin composition of the present invention, it is possible to check whether the green photosensitive resin composition can be processed at low temperature Maintain high transparency afterwards. In detail, the color selection penetration is defined as: Color selection penetration =

(Formula 1) and illustrate the selected transmittance with reference to Figure 1. Figure 1 shows the light source, the green photosensitive resin composition, and the transmittance in the visible light wavelength range (380-780nm) after the light source irradiates the green photosensitive resin composition. The transmittance spectrum is represented by light source penetration value, color penetration value, color penetration value*light source penetration value in the first figure, and the molecular

Refers to the integral value of the penetration value in the visible light wavelength range after the light source in Figure 1 irradiates the green photosensitive resin composition, and in the range of 20-35, the denominator

Refers to the integral value of the light source in the visible light wavelength range as shown in Figure 1.

According to some embodiments of the present invention, the color selection transmittance of the green photosensitive resin composition is greater than or equal to 50%, preferably greater than or equal to 55%, more preferably greater than or equal to 60% and less than or equal to 85%. More than or equal to 50% can maintain the high transparency of the green photosensitive resin composition after the low-temperature process, so as to optimize the performance and suppress the image quality degradation of the display device.

When the color selection transmittance is less than 50%, the color filter formed by the green photosensitive resin composition will require a high-power light source to make the light emitted by the panel visible to the human eye, and it will cost a lot of money. cost.

The following will describe each component in the green photosensitive resin composition in detail:

[(A) Colorant]

According to some embodiments of the present invention, the colorant (A) includes a blue colorant (A1) and a yellow colorant (A2). On the other hand, the colorant (A) may contain a pigment (P), a dye (Q), or a combination of both. Therefore, the blue colorant (A1) may comprise blue pigment (A1-P), blue dye (A1-Q), or a combination thereof, and the yellow colorant (A2) may comprise yellow pigment (A2-P), yellow dye (A2-Q), or a combination thereof.

In some embodiments, the blue colorant (A1 ) has a wavelength of 380-600 nm, and the yellow colorant (A2) has a wavelength of 480-780 nm.

In some embodiments, the pigment (P) may be an organic pigment or an inorganic pigment generally used in the fields of printing ink and inkjet ink.

In some embodiments, the organic pigments can be, for example, water-soluble azo pigments, insoluble azo pigments, phthalocyanine pigments, quinacridone pigments, isoindolinone pigments, isoindoline pigments, perylene pigments, pyrene pigments, Ketone pigments, dioxazine pigments, anthraquinone pigments, dianthraquinone pigments, anthrapyrimidine pigments, anthraquinone (anthanthrone) pigments, indanthrone pigments, flavanthrone pigments, pyranthrone pigments, diketopyrrole Pyrrole pigments and the like, but not limited thereto.

In some embodiments, the inorganic pigments can be, for example, metal compounds such as metal oxides and metal coordination compounds. Specifically, they can be, for example, iron, cobalt, aluminum, cadmium, lead, copper, titanium, magnesium, chromium, zinc, Oxides of metals such as antimony and carbon black or composite metal oxides.

Specifically, organic pigments and inorganic pigments can be, for example, C.I. Pigment Yellow (A2-P), C.I. Pigment Blue (A1-P) among compounds classified as pigments under the color rendering index (published by The society of Dyers and Colourists). , More specifically, there may be, for example, pigments with the following color rendering index (C.I.) numbers, but not limited thereto, and they may be used alone or in combination of two or more.

In some embodiments, the blue pigment (A1-P) may be, for example, a phthalocyanine pigment, or other suitable substances. Specifically, for example, C.I. Pigment Blue 15, C.I. Pigment Blue 15:1, C.I. Pigment Blue 15:2, C.I. Pigment Blue 15:3, C.I. Pigment Blue 15:4, C.I. Pigment Blue 15:6, C.I. Pigment Blue 16. C.I. Pigment Blue 21, C.I. Pigment Blue 22, C.I. Pigment Blue 28, C.I. Pigment Blue 60, C.I. Pigment Blue 64, C.I. Pigment Blue 76, C.I. Pigment Blue 80 and other blue pigments, but not limited thereto.

In some embodiments, known pigments can also be used as the pigment (P), such as compounds classified as pigments in the color index (published by The Society of Dyers and Colourists).

In some embodiments, the yellow pigment (A2-P) can be, for example, monoazo pigment (monoazo pigment), monoazo lake pigment (monoazo lake pigment), disazo pigment (disazo pigment), anthraquinone pigment ( anthraquinone pigment), monoazo pyrazolone pigment, condensed azo pigment, isoindoline pigment, benzimidazolone pigment, Amine metal complex pigments, quinophthalone pigments, quinoxaline pigments, etc. Specifically, for example, C.I. Pigment Yellow 1, C.I. Pigment Yellow 2, C.I. Pigment Yellow 3, C.I. Pigment Yellow 4, C.I. Pigment Yellow 5, C.I. Pigment Yellow 6, C.I. Pigment Yellow 10, C.I. Pigment Yellow 12, C.I. Yellow 13, C.I. Pigment Yellow 14, C.I. Pigment Yellow 15, C.I. Pigment Yellow 16, C.I. Pigment Yellow 17, C.I. Pigment Yellow 18, C.I. Pigment Yellow 20, C.I. Pigment Yellow 24, C.I. Pigment Yellow 31, C.I. Yellow 34, C.I. Pigment Yellow 35, C.I. Pigment Yellow 35:1, C.I. Pigment Yellow 36, C.I. Pigment Yellow 36:1, C.I. Pigment Yellow 37, C.I. Pigment Yellow 37:1, C.I. Pigment Yellow 40, C.I. Pigment Yellow 42, C.I. Pigment Yellow 43, C.I. Pigment Yellow 53, C.I. Pigment Yellow 55, C.I. Pigment Yellow 60, C.I. Pigment Yellow 61, C.I. Pigment Yellow 62, C.I. Pigment Yellow 63, C.I. Pigment Yellow 65, C.I. Pigment Yellow 73, C.I. Pigment Yellow 77, C.I. Pigment Yellow 81, C.I. Pigment Yellow 83, C.I. Pigment Yellow 86, C.I. Pigment Yellow 93, C.I. Pigment Yellow 94, C.I. Pigment Yellow 95, C.I. Pigment Yellow 97, C.I. Pigment Yellow 98, C.I. Pigment Yellow 101, C.I. Pigment Yellow 104, C.I. Pigment Yellow 106, C.I. Pigment Yellow 108, C.I. Pigment Yellow 109, C.I. Pigment Yellow 110, C.I. Pigment Yellow 113, C.I. Pigment Yellow 114, C.I. Pigment Yellow 117, C.I. Pigment Yellow 118, C.I. Pigment Yellow 119, C.I. Pigment Yellow 120, C.I. Pigment Yellow 123, C.I. Pigment Yellow 125, C.I. Pigment Yellow 126, C.I. Pigment Yellow 127, C.I. Pigment Yellow 137, C.I. Pigment Yellow 138, C.I. Pigment Yellow 139, C.I. Pigment Yellow 147, C.I. Pigment Yellow 148, C.I. Pigment Yellow 150, C.I. Pigment Yellow 151, C.I. Pigment Yellow 152, C.I. Pigment Yellow 155, C.I. Pigment Yellow 156, C.I. Pigment Yellow 161, C.I. Pigment Yellow 162, C.I. Pigment Yellow 164, C.I. Pigment Yellow 166, C.I. Pigment Yellow 167, C.I. Pigment Yellow 168, C.I. Pigment Yellow 171, C.I. Pigment Yellow 172, C.I. Pigment Yellow 173, C.I. Pigment Yellow 174, C.I. Pigment Yellow 175, C.I. Pigment Yellow 176, C.I. Pigment Yellow 177, C.I. Pigment Yellow 179, C.I. Pigment Yellow 180, C.I. Pigment Yellow 181, C.I. Pigment Yellow 182, C.I. Pigment Yellow 185, C.I. Pigment Yellow 187, C.I. Pigment Yellow 188, C.I. Pigment Yellow 193, C.I. Yellow pigments such as C.I. Pigment Yellow 213 and C.I. Pigment Yellow 214, but are not limited thereto.

In some embodiments, the content of the pigment (P) is 20 to 90% by weight, preferably in the range of 40 to 90% by weight, based on the total weight of the solid content in the colorant (A). When the content of the pigment is in the range of 20 to 90% by weight, it has the advantages of low viscosity, excellent storage stability, high dispersion efficiency, and effective enhancement of contrast.

In some embodiments, the dye (Q) can be selected from acid dyes having acidic groups such as sulfonic acid or carboxylic acid, salts of acid dyes and nitrogen-containing compounds, sulfonamides of acid dyes, etc., and their derivatives In addition to these dyes, azo-based, xanthene-based, phthalocyanine-based acid dyes and their derivatives can also be selected. Preferably, it is a compound classified into dyes of the blue series and yellow series in the color rendering index (published by The Society of Dyers and Colourists), or blue dyes (A1-Q ), yellow dye (A2-Q). These dyes can be used alone or in combination of two or more.

In some embodiments, the yellow dye (A2-Q) and the blue dye (A1-Q) can be C.I. solvent dyes, wherein C.I. solvent yellow dye (A2-Q) can be, for example, solvent 4, 14, 15, 23, 24 , 38, 62, 63, 68, 82, 94, 98, 99, 162, etc., but not limited thereto; , 67, 70, etc., but not limited thereto.

In some embodiments, the blue dyes (A1-Q) can be C.I. acid dyes, such as C.I. Acid Blue 1, 7, 9, 15, 18, 23, 25, 27, 29, 40, 42, 45, 51, 62, 70, 74, 80, 83, 86, 87, 90, 92, 96, 103, 112, 113, 120, 129, 138, 147, 150, 158, 171, 182, 192, 210, 242, 243, 256, 259, 267, 278, 280, 285, 290, 296, 315, 324:1, 335, 340, etc., but not limited thereto.

In some embodiments, the yellow dyes (A2-Q) and blue dyes (A1-Q) can be C.I. direct dyes, wherein the C.I. direct blue dyes (A1-Q) can be, for example, C.I. 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, etc., but not limited thereto; C.I. Direct Yellow dyes (A2-Q) are, for example, C.I. 50, 54, 58, 68, 69, 70, 71, 86, 93, 94, 95, 98, 102, 108, 109, 129, 136, 138, 141, etc., but not limited thereto.

In some embodiments, the blue dyes (A1-Q) can be C.I. mordant dyes, such as C.I. 22, 23, 24, 26, 30, 31, 32, 39, 40, 41, 43, 44, 48, 49, 53, 61, 74, 77, 83, 84, etc., but not limited thereto.

According to some embodiments of the present invention, the content of the dye (Q) is preferably 0.5-80% by weight, more preferably 5-60% by weight relative to the total weight of the solid content in the colorant (A). When the content of the dye in the photosensitive agent is included in the aforementioned range, after pattern formation, the problem of the reliability of dye elution by the organic solvent is prevented from being lowered, and the sensitivity is excellent, which is preferable.

In some embodiments, the blue colorant (A1) is preferably B16, B15:6, and the yellow colorant (A2) is preferably Y139, Y139E, Y150, Y185.

In some embodiments, the weight ratio of the yellow colorant (A2) to the blue colorant (A1) is 35:65-65:35, more preferably 40:60-60:40.

According to some embodiments of the present invention, the content of the colorant (A) is preferably 10-45% by weight, more preferably 10-30% by weight relative to the total weight of the green photosensitive resin composition.

When the content of the colorant (A) is within the above range, even if it is formed into a thin film, the color density of the pixel is sufficient, and the defectivity of the non-pixel portion does not decrease during development, so the occurrence of residue can be suppressed.

[Alkali-soluble resin (B)]

In some embodiments, the alkali-soluble resin (B) is a copolymer, which can improve the solvent resistance of the green photosensitive resin composition, comprising monomer (a), monomer (b), monomer (c), or A combination wherein the monomer (a) is a structural unit derived from an unsaturated carboxylic acid and an unsaturated carboxylic acid anhydride, and the monomer (b) is a structural unit derived from a cyclic ether structure having 2 to 4 carbon atoms and an ethylenically unsaturated bond , the monomer (c) is a structural unit different from the monomer (a) and the monomer (b). In the copolymer, each of the above-mentioned structural units may contain one type, or may contain two or more types.

In some embodiments, the monomer (a) can be, for example, unsaturated monocarboxylic acids such as acrylic acid, methacrylic acid, crotonic acid, o-, m-, p-vinylbenzoic acid; maleic acid, fumaric acid, Citraconic acid, mesaconic acid, itaconic acid, 3-vinylphthalic acid, 4-vinylphthalic acid, 3,4,5,6-tetrahydrophthalic acid, 1,2,3 ,6-tetrahydrophthalic acid, dimethyltetrahydrophthalic acid, 1,4-cyclohexene dicarboxylic acid and other unsaturated dicarboxylic acids; methyl-5-norbornene-2,3- Dicarboxylic acid, 5-carboxybicyclo[2.2.1]hept-2-ene, 5,6-dicarboxybicyclo[2.2.1]hept-2-ene, 5-carboxy-5-methylbicyclo[2.2.1 ]hept-2-ene, 5-carboxy-5-ethylbicyclo[2.2.1]hept-2-ene, 5-carboxy-6-methylbicyclo[2.2.1]hept-2-ene, 5-carboxy -6-ethylbicyclo[2.2.1]hept-2-ene and other carboxyl-containing bicyclic unsaturated compounds; maleic anhydride, citraconic anhydride, itaconic anhydride, 3-vinylphthalic anhydride, 4- Vinyl phthalic anhydride, 3,4,5,6-tetrahydrophthalic anhydride, 1,2,3,6-tetrahydrophthalic anhydride, dimethyltetrahydrophthalic anhydride , 5,6-dicarboxybicyclo[2.2.1]hept-2-ene anhydride and other unsaturated dicarboxylic acid anhydrides; succinic acid mono[2-(meth)acryloxyethyl]ester, phthalic acid Unsaturated mono[(meth)acryloxyalkyl]esters of polybasic carboxylic acids with more than two valences, such as mono[2-(meth)acryloxyethyl]ester; α-(hydroxymethyl) Unsaturated acrylates such as acrylic acid containing a hydroxyl group and a carboxyl group in the same molecule, etc., are not limited thereto.

In some embodiments, the monomer (a) is preferably acrylic acid, methacrylic acid, maleic anhydride, etc., considering the copolymerization reactivity and the solubility of the obtained resin in aqueous alkali solution.

In some embodiments, the monomer (b) refers to, for example, a cyclic ether structure having 2 to 4 carbon atoms (for example, at least one selected from an oxirane ring, an oxetane ring, and a tetrahydrofuran ring. ) and polymerizable compounds of ethylenically unsaturated bonds. The monomer (b) is preferably a monomer having a cyclic ether having 2 to 4 carbon atoms and a (meth)acryloxy group.

In addition, in this specification, "(meth)acrylic acid" means at least 1 sort(s) chosen from acrylic acid and methacrylic acid. Expressions such as "(meth)acryl" and "(meth)acrylate" have the same meaning.

In some embodiments, the monomer (b) can be, for example, a monomer (b1) having an epoxyethyl group or a glycidyl group, and an ethylenically unsaturated bond (hereinafter sometimes referred to as "monomer (b1)") ), a monomer (b2) having an oxetanyl group and an ethylenically unsaturated bond (hereinafter sometimes referred to as "monomer (b2)"), a monomer (b3) having a tetrahydrofuryl group and an ethylenically unsaturated bond (hereinafter sometimes referred to as "monomer (b3)") and the like.

In some embodiments, the monomer (b1) includes, for example, a monomer (b1-1) having a structure in which a linear or branched aliphatic unsaturated hydrocarbon is epoxidized (hereinafter sometimes referred to as "monomer (b1-1)") and a monomer (b1-2) having a structure in which an alicyclic unsaturated hydrocarbon is epoxidized (hereinafter may be referred to as "monomer (b1-2)").

In some embodiments, the monomer (b1-1) can include glycidyl (meth)acrylate, β-methyl glycidyl (meth)acrylate, β-ethyl glycidyl (meth)acrylate , glycidyl vinyl ether, o-vinylbenzyl glycidyl ether, m-vinylbenzyl glycidyl ether, p-vinylbenzyl glycidyl ether, α-methyl-o-vinyl Benzyl glycidyl ether, α-methyl-m-vinylbenzyl glycidyl ether, α-methyl-p-vinylbenzyl glycidyl ether, 2,3-bis(glycidyloxymethyl base) styrene, 2,4-bis(glycidyloxymethyl)styrene, 2,5-bis(glycidyloxymethyl)styrene, 2,6-bis(glycidyloxymethyl) Styrene, 2,3,4-tris(glycidyloxymethyl)styrene, 2,3,5-tris(glycidyloxymethyl)styrene, 2,3,6-tris(glycidyloxy (methyl)styrene, 3,4,5-tris(glycidyloxymethyl)styrene, 2,4,6-tris(glycidyloxymethyl)styrene, etc., but not limited thereto.

In some embodiments, the monomer (b1-2) can be exemplified such as glycidyl methacrylate, vinyl cyclohexene monoxide, 1,2-epoxy-4-vinyl cyclohexane (for example , CELLOXIDE 2000; manufactured by Daicel Co., Ltd.), 3,4-epoxycyclohexylmethyl (meth)acrylate (for example, CYCLOMER A400; manufactured by Daicel Co., Ltd.), 3,4-(meth)acrylate Epoxycyclohexylmethyl ester (for example, CYCLOMER M100; manufactured by Daicel Co., Ltd.), but not limited thereto.

In some embodiments, the monomer (b2) is more preferably a monomer having an oxetanyl group and a (meth)acryloxy group. As the monomer (b2), for example, 3-methyl-3-methacryloxymethyloxetane, 3-methyl-3-acryloxymethyloxetane, 3-Ethyl-3-methacryloxymethyloxetane, 3-ethyl-3-acryloxymethyloxetane, 3-methyl-3-methylpropene Acyloxyethyloxetane, 3-methyl-3-acryloxyethyloxetane, 3-ethyl-3-methacryloxyethyloxetane , 3-ethyl-3-acryloyloxyethyloxetane, etc., but not limited thereto.

In some embodiments, the monomer (b3) is more preferably a monomer having a tetrahydrofuryl group and a (meth)acryloxy group. Specific examples of the monomer (b3) include tetrahydrofurfuryl acrylate (for example, VISCOATV #150, manufactured by Osaka Organic Chemical Industry Co., Ltd.), tetrahydrofurfuryl methacrylate, and the like.

In some embodiments, monomer (b) is preferably monomer (b1) in terms of further improving reliability such as light resistance and chemical resistance of the color filter. Furthermore, a monomer (b1-2) is more preferable at the point which is excellent in the storage stability of a green photosensitive resin composition.

In some embodiments, the monomer (c) can include, for example, methyl (meth)acrylate, ethyl (meth)acrylate, n-butyl (meth)acrylate, second-butyl (meth)acrylate, ( tert-butyl methacrylate, 2-ethylhexyl (meth)acrylate, dodecyl (meth)acrylate, lauryl (meth)acrylate, stearyl (meth)acrylate, ( Cyclopentyl methacrylate, cyclohexyl (meth)acrylate, 2-methylcyclohexyl (meth)acrylate, tricyclo[5.2.1.0 ^2,6 ]decane-8-(meth)acrylate (Meth)acrylic acid tricyclic [5.2.1.0 ^2,6 ]decen-8-yl ester (in this technical field, it is called "dicyclopentenyl (meth)acrylate" as a common name), dicyclopentyloxyethylene (meth)acrylate ester, isobornyl (meth)acrylate, adamantyl (meth)acrylate, allyl (meth)acrylate, propargyl (meth)acrylate, phenyl (meth)acrylate, (meth) (meth)acrylates such as naphthyl acrylate and benzyl (meth)acrylate; (meth)acrylates containing hydroxyl groups such as 2-hydroxyethyl (meth)acrylate and 2-hydroxypropyl (meth)acrylate Acrylates; dicarboxylic acid diesters such as diethyl maleate, diethyl fumarate, and diethyl itaconate; bicyclo[2.2.1]hept-2-ene, 5-methylbicyclo[2.2 .1]hept-2-ene, 5-ethylbicyclo[2.2.1]hept-2-ene, 5-hydroxybicyclo[2.2.1]hept-2-ene, 5-hydroxymethylbicyclo[2.2.1 ]hept-2-ene, 5-(2'-hydroxyethyl)bicyclo[2.2.1]hept-2-ene, 5-methoxybicyclo[2.2.1]hept-2-ene, 5-ethoxy Bicyclo[2.2.1]hept-2-ene, 5,6-dihydroxybicyclo[2.2.1]hept-2-ene, 5,6-di(hydroxymethyl)bicyclo[2.2.1]hept-2 -ene, 5,6-bis(2'-hydroxyethyl)bicyclo[2.2.1]hept-2-ene, 5,6-dimethoxybicyclo[2.2.1]hept-2-ene, 5, 6-diethoxybicyclo[2.2.1]hept-2-ene, 5-hydroxy-5-methylbicyclo[2.2.1]hept-2-ene, 5-hydroxy-5-ethylbicyclo[2.2. 1] Hept-2-ene, 5-hydroxymethyl-5-methylbicyclo[2.2.1]hept-2-ene, 5-tertiary-butoxycarbonylbicyclo[2.2.1]hept-2-ene , 5-cyclohexyloxycarbonylbicyclo[2.2.1]hept-2-ene, 5-phenoxycarbonylbicyclo[2.2.1]hept-2-ene, 5,6-bis(tertiary butoxycarbonyl )bicyclo[2.2.1]hept-2-ene, 5,6-bis(cyclohexyloxycarbonyl)bicyclo[2.2.1]hept-2-ene and other bicyclic unsaturated compounds; N-phenylmaleic acid imine, N-cyclohexylmaleimide, N-benzylmaleimide, N-succinimide Phimidyl-3-maleimide benzoate, N-succinimidyl-4-maleimide butyrate, N-succinimidyl-6-maleimide Dicarbonylimide derivatives such as iminocaproate, N-succinimidyl-3-maleimide propionate, N-(9-acridyl)maleimide; styrene , α-methylstyrene, m-methylstyrene, p-methylstyrene, vinyl toluene, p-methoxystyrene, acrylonitrile, methacrylonitrile, vinyl chloride, vinylidene chloride, propylene Amide, methacrylamide, vinyl acetate, 1,3-butadiene, isoprene, 2,3-dimethyl-1,3-butadiene, etc., but not limited thereto.

In some embodiments, from the aspects of copolymerization reactivity and light resistance, the monomer (c) is preferably styrene, vinyl toluene, methyl (meth)acrylate, tricyclodecanyl (meth)acrylate, ( Benzyl meth)acrylate, 2-hydroxyethyl (meth)acrylate, N-phenylmaleimide, N-cyclohexylmaleimide, N-benzylmaleimide, bicyclo [2.2.1] Hept-2-ene, etc.

In some embodiments, in the embodiment where the monomer (c) is a structural unit having an ethylenically unsaturated bond, it is preferably a structural unit having a (meth)acryl group. The alkali-soluble resin (B) having such a structural unit can be obtained by making a polymer containing a structural unit derived from the monomer (a) and a structural unit derived from the monomer (b), and having a It is obtained by the reaction of the group constituting the unit reaction and the monomer of the ethylenically unsaturated bond.

In some embodiments, as the structural unit having an ethylenically unsaturated bond, for example, a structural unit obtained by adding glycidyl (meth)acrylate to a (meth)acrylic acid unit; A structural unit obtained by adding 2-hydroxyethyl (meth)acrylate to an acid anhydride unit, a structural unit obtained by adding (meth)acrylic acid to a glycidyl (meth)acrylate unit, and A structural unit obtained by adding a carboxylic anhydride to a structural unit having a hydroxyl group, etc.

In some embodiments, the monomer of the alkali-soluble resin (B) is preferably methyl methacrylate, methacrylic acid, tricyclodecanyl methacrylate, epoxypropyl methacrylate, benzyl methacrylate , N-benzylmaleimide, or a combination thereof.

According to some embodiments of the present invention, (B) comprises 2 to 45% by weight of structural units from (a); 2 to 60% by weight of structural units from (b); 1 to 80% by weight of structural units from (c) .

According to some embodiments of the present invention, the weight average molecular weight (Mw) of the alkali-soluble resin (B) is preferably 3,000 to 100,000, more preferably 5,000 to 50,000, further preferably 5,000 to 30,000.

According to some embodiments of the present invention, the acid value (solid content conversion value) of the alkali-soluble resin (B) is preferably 10 to 300 mg-KOH/g, or may be 20 to 250 mg-KOH/g, or may be 20 to 200 mg-KOH/g. 200 mg-KOH/g, or may be 20 to 170 mg-KOH/g, or may be 30 to 170 mg-KOH/g. Here, the acid value is a measured value as the amount (mg) of potassium hydroxide required to neutralize 1 g of the alkali-soluble resin (B), and can be obtained, for example, by titration using an aqueous potassium hydroxide solution.

According to some embodiments of the present invention, the content of the alkali-soluble resin (B) is preferably 5-30% by weight, more preferably 10-30% by weight relative to the total weight of the green photosensitive resin composition.

When the content of the alkali-soluble resin (B) is within the above range, a photosensitive pattern can be formed, and the resolution and remaining film ratio of the photosensitive pattern tend to increase.

[Polymerizable unsaturated compound (C)]

In some embodiments, the polymerizable unsaturated compound (C) is a monomer that can be polymerized by active radicals and/or acids generated by the photopolymerization initiator (D), such as but not limited to having polymerizable Ethylenically unsaturated bonds, such as (meth)acrylate compounds. Here, the compounds described in parentheses mean the presence or absence of the words in parentheses, for example, the aforementioned (meth)acrylate compounds include acrylate compounds and methacrylate compounds.

For example, the monomer of the polymerizable unsaturated compound (C) may include but not limited to at least one selected from the group consisting of: nonylphenyl carbitol acrylate, acrylic acid 2-Hydroxy-3-phenoxypropyl ester, 2-ethylhexyl carbitol acrylate, 2-hydroxyethyl acrylate, N-vinylpyrrolidone and other polymeric compounds with an ethylenically unsaturated bond; two 1,6-Hexanediol (meth)acrylate, Ethylene glycol di(meth)acrylate, Neopentyl glycol di(meth)acrylate, Triethylene glycol di(meth)acrylate, Bis(acryloxyethyl)ether of bisphenol A, 3-methylpentanediol di(meth)acrylate and other polymeric compounds having two ethylenically unsaturated bonds; and tri(methyl) Trimethylolpropane acrylate, dipentaerythritol hexaacrylate, pentaerythritol tri(meth)acrylate, pentaerythritol tetra(meth)acrylate, dipentaerythritol penta(meth)acrylate, dipentaerythritol hexa(meth)acrylate ester, tripentaerythritol octa(meth)acrylate, tripentaerythritol hepta(meth)acrylate, tetrapentaerythritol deca(meth)acrylate, tetrapentaerythritol nona(meth)acrylate, tris(2-(methyl) Acryloxyethyl) isocyanate, pentaerythritol modified ethylene glycol tetra(meth)acrylate, dipentaerythritol modified ethylene glycol hexa(meth)acrylate, pentaerythritol modified propylene glycol tetra(meth)acrylate, Dipentaerythritol modified with propylene glycol hexa(meth)acrylate, pentaerythritol modified with caprolactone tetra(meth)acrylate, dipentaerythritol modified with caprolactone hexa(meth)acrylate, etc. have three ethylenically unsaturated bonds of polymeric compounds. In some embodiments, the polymerizable unsaturated compound (C) is, for example, a compound having an ethylenically unsaturated double bond.

Commercially available products of the polymerizable unsaturated compound (C) include, for example, KAYARAD (registered trademark) DPHA (Nippon Kasaku Co., Ltd.), A-TMM-3LM-N (New Nakamura Chemical Co., Ltd.), and A9500 (New Nakamura Chemical Co., Ltd.) society).

The weight average molecular weight of the polymerizable unsaturated compound (C) is preferably not less than 150 and not more than 2,900, more preferably not less than 250 and not more than 1,500.

In some embodiments, the content of the polymerizable unsaturated compound (C) is based on weight % relative to the total weight of the green photosensitive resin composition, preferably 1-30 weight %, more preferably 1-20 weight %.

When the content of the polymerizable unsaturated compound (C) is within the above range, the residual film rate at the time of forming a colored pattern and the chemical resistance of the color filter can be improved.

[Photopolymerization initiator (D)]

In some embodiments of the present application, the photopolymerization initiator (D) can be any compound capable of generating active free radicals, acids, etc. by the action of light, thereby enabling the photopolymerization reaction to start.

For example, the photopolymerization initiator (D) may include, but is not limited to, at least one selected from the group consisting of the following options: oxime (oxime) compound, O-acyl oxime (O -acyloxime) compound, alkyl phenyl ketone compound, bis-imidazole compound, triazine compound, acyl phosphine oxide (acyl phosphine oxide), benzoin compound, diphenyl ketone compound, quinone compound, 10-butyl-2 - Chloracridone, benzyl, methyl phenyl carboxylate, acetophenone compounds, and titanocene compounds.

In some embodiments, the photopolymerization initiator (D) preferably contains at least one selected from the group consisting of: oxime compounds, O-acyl oxime compounds, alkane phenyl ketone compounds, biimidazole compounds, acetophenone compounds, triazine compounds, acyl phosphine oxide compounds, and biimidazole compounds. For example, in the case of using an O-acyl oxime compound as the photopolymerization initiator (D), Irgacure® OXE-01 (BASF Company), Irgacure® OXE-02 (BASF Company), N-1919 ( ADEKA company) and other commercially available products.

In some embodiments, the oxime photoinitiator, such as 1,2-octanedione-1-[4-(phenylthio)phenyl]-2-(O-benzoyl oxime ), 1,2-butanedione-1-[4-(phenylthio)phenyl]-2-(O-benzoyl oxime), 1,2-butanedione-1-[4-( Phenylthio)phenyl]-2-(O-acetyloxime), 1,2-octanedione-1-[4-(methylthio)phenyl]-2-(O-benzoyl oxime), 1,2-octanedione-1-[4-(phenylthio)phenyl]-2-(O-(4-methylbenzoyl oxime)), 1-[9-ethyl- 6-(2-methylbenzoyl)-9H-carbazol-3-yl]-ethane-1-one oxime-O-acetate, ethyl ketone-1-[9-ethyl-6-(2 -Methyl-4-tetrahydrofurylmethoxybenzoyl)-9H-carbazol-3-yl]-1-(O-acetyl oxime), ethyl ketone-1-[9-ethyl-6-{ 2-methyl-4-(2,2-dimethyl-1,3-dioxolyl)methoxybenzoyl)-9H-carbazol-3-yl]-1-(O-ethyl Acyl oxime), etc.

In some embodiments, the O-acyl oxime compound is a compound having a partial structure represented by formula (d1). Hereinafter, * represents a bonding terminal.

In some embodiments, the O-acyl oxime compound, such as N-benzoyloxy-1-(4-phenylsulfanylphenyl) butane-1-one-2-imine, N -Benzyloxy-1-(4-phenylsulfanylphenyl)octan-1-one-2-imine, N-benzoyloxy-1-(4-phenylsulfanyl Phenyl)-3-cyclopentylpropane-1-one-2-imine, N-acetyloxy-1-[9-ethyl-6-(2-methylbenzoyl)-9H- Carbazol-3-yl]ethane-1-imine, N-acetyloxy-1-[9-ethyl-6-{2-methyl-4-(3,3-dimethyl-2 ,4-dioxolylmethoxy)benzoyl}-9H-carbazol-3-yl]ethane-1-imine, N-acetyloxy-1-[9-ethyl -6-(2-Methylbenzoyl)-9H-carbazol-3-yl]-3-cyclopentylpropane-1-imine, N-benzoyloxy-1-[9-ethyl yl-6-(2-methylbenzoyl)-9H-carbazol-3-yl]-3-cyclopentylpropan-1-one-2-imine, etc., but not limited thereto. Commercial items such as IRGACURE OXE01 and OXE02 (the above are manufactured by BASF Corporation), N-1919 (manufactured by ADEKA Corporation) and the like can be used. Among them, the O-acyl oxime compound is preferably selected from N-benzoyloxy-1-(4-phenylsulfanylphenyl)butane-1-one-2-imine, N-benzoyloxy Base-1-(4-phenylsulfanylphenyl)octan-1-one-2-imine and N-benzoyloxy-1-(4-phenylsulfanylphenyl)-3 -At least one of cyclopentylpropane-1-one-2-imines, more preferably N-benzoyloxy-1-(4-phenylsulfanylphenyl)octan-1-one- 2-imine. These O-acyl oxime compounds tend to give a high-brightness color filter.

In some embodiments, the alkyl phenyl ketone compound is a compound having a partial structure represented by formula (d2) or a partial structure represented by formula (d3). In these partial structures, the benzene ring may have a substituent.

Examples of compounds having a partial structure represented by the formula (d2) include 2-methyl-2-morpholino-1-(4-methylsulfanylphenyl)propan-1-one, 2-dimethyl Amino-1-(4-morpholinophenyl)-2-benzylbutan-1-one, 2-(dimethylamino)-2-[(4-methylphenyl)methyl] -1-[4-(4-morpholinyl)phenyl]butan-1-one, etc. Commercial items such as IRGACURE 369, 907, and 379 (the above are manufactured by BASF Corporation) can be used.

As a compound having a partial structure represented by formula (d3), 2-hydroxyl-2-methyl-1-phenylpropane-1-one, 2-hydroxyl-2-methyl-1-[4-(2 -Hydroxyethoxy)phenyl]propan-1-one, 1-hydroxycyclohexylphenylketone, 2-hydroxy-2-methyl-1-(4-isopropenylphenyl)propan-1-one Oligomers, α,α-diethoxyacetophenone, benzoyl dimethyl ketal, etc.

In terms of sensitivity, as the alkyl phenyl ketone compound, a compound having a partial structure represented by the formula (d2) is preferable.

In some embodiments, triazine compounds include 2,4-bistrichloromethyl-6-4-methoxyphenyl-1,3,5-triazine, 2,4-bistrichloromethyl- 6-4-Methoxynaphthyl-1,3,5-triazine, 2,4-bistrichloromethyl-6-piperonyl-1,3,5-triazine, 2,4-bistrichloro Methyl-6-4-methoxystyryl-1,3,5-triazine, 2,4-bistrichloromethyl-6-[2-(5-methylfuran-2-yl)ethylene base]-1,3,5-triazine, 2,4-bistrichloromethyl-6-[2-(furan-2-yl)vinyl]-1,3,5-triazine, 2,4 -Bistrichloromethyl-6-[2-(4-diethylamino-2-methylphenyl)ethenyl]-1,3,5-triazine, 2,4-bistrichloromethyl -6-[2-(3,4-dimethoxyphenyl)vinyl]-1,3,5-triazine, etc., but not limited thereto.

In some embodiments, the acylphosphine oxide compound may include 2,4,6-trimethylbenzoyldiphenylphosphine oxide, but is not limited thereto. Commercial items such as IRGACURE (registered trademark 819, manufactured by BASF Corporation) can be used.

In some embodiments, the biimidazole compound can include 2,2'-bis(2-chlorophenyl)-4,4',5,5-tetraphenylbiimidazole, 2,2'-bis(2,3 -dichlorophenyl)-4,4',5,5-tetraphenylbiimidazole (for example, refer to JP-A-6-75372, JP-A-6-75373, etc.), 2,2'- Bis(2-chlorophenyl)-4,4',5,5-tetraphenylbiimidazole, 2,2'-bis(2-chlorophenyl)-4,4',5,5-tetrakis(alkane Oxyphenyl) biimidazole, 2,2'-bis(2-chlorophenyl)-4,4',5,5-tetrakis(dialkoxyphenyl)biimidazole, 2,2'-bis( 2-chlorophenyl)-4,4',5,5-tetrakis(trialkoxyphenyl)biimidazole (for example, refer to Japanese Patent Publication No. 48-38403, Japanese Patent Application Publication No. 62-174204, etc. ), an imidazole compound in which the phenyl at the 4,4',5,5-positions is substituted by an alkoxycarbonyl group (for example, refer to JP-A No. 7-10913, etc.), but not limited thereto.

In some embodiments, the acetophenone compound can include 2-methyl-1-[4-(methylthio)phenyl]-2-morpholinopropane-1-one, 2-benzyl-2 -Dimethylamino-1-(4-morpholinephenyl)butan-1-one, 2-(4-methylbenzyl)-2-(dimethylamino)-1-(4 -morpholine phenyl) butan-1-one, N-benzoyloxy-1-(4-phenylthiophenyl) octane-1-one-2-imine, etc., but not limited to this.

In some embodiments, other polymerization initiators can include benzoin compounds such as benzoin, benzoin methyl ether, benzoin ethyl ether, benzoin isopropyl ether, benzoin isobutyl ether; benzophenone, o-benzoyl methyl benzoate, 4-phenylbenzophenone, 4-benzoyl-4'-methyl diphenyl sulfide, 3,3',4,4'-tetrakis(tert-butyl peroxycarbonyl) benzophenone, 2,4,6-trimethylbenzophenone and other benzophenone compounds; 9,10-phenanthrenequinone, 2-ethylanthraquinone, camphorquinone and other quinone compounds; 10 -Butyl-2-chloroacridone, benzoyl, methyl phenylglyoxylate, titanocene compound, etc., but not limited thereto.

In some embodiments, the photopolymerization initiator (D) is preferably an oxime compound.

According to some embodiments of the present invention, the content of the photopolymerization initiator (D) is calculated in % by weight relative to the total weight of the green photosensitive resin composition, preferably 0.1-2.5% by weight, more preferably 0.1-1.5% by weight .

When content of a photoinitiator (D) exists in the said range, since there exists a tendency for high sensitivity and shortening of exposure time, the productivity of a color filter can be improved.

[Solvent (E)]

In some embodiments, the solvent (E) may include, but is not limited to, at least one selected from the group consisting of the following options: an ester solvent (herein means a molecule containing -COO- but not -O-containing solvent), ether solvent (herein means the solvent containing -O- but not -COO- in the molecule), ether ester solvent (herein means the molecule contains -COO- and -O - solvent), ketone solvent (herein means the solvent containing -CO- but not -COO- in the molecule), alcohol solvent (herein means the molecule contains OH but does not contain -O-, -CO - and -COO- solvents), aromatic hydrocarbon solvents, amide solvents, dimethyl sulfide, etc.

In some embodiments, as the ester solvent, for example, methyl lactate, ethyl lactate, butyl lactate, methyl 2-hydroxyisobutyrate, ethyl acetate, n-butyl acetate, isobutyl acetate, pentyl formate ester, isoamyl acetate, butyl propionate, isopropyl butyrate, ethyl butyrate, butyl butyrate, methyl pyruvate, ethyl pyruvate, propyl pyruvate, acetyl methyl acetate, ethyl ethyl acyl acetate, cyclohexanol acetate, γ-butyrolactone, etc., but not limited thereto.

In some embodiments, as an ether solvent, for example, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monopropyl ether, ethylene glycol monobutyl ether, diethylene glycol monomethyl ether, Diethylene glycol monoethyl ether, diethylene glycol monobutyl ether, propylene glycol monomethyl ether, propylene glycol monoethyl ether, propylene glycol monopropyl ether, propylene glycol monobutyl ether, propylene glycol monomethyl ether acetic acid Esters, 3-methoxy-1-butanol, 3-methoxy-3-methylbutanol, tetrahydrofuran, diethylene glycol dimethyl ether, diethylene glycol diethyl ether, diethylene glycol methyl ethyl ether Diethylene glycol dipropyl ether, diethylene glycol dibutyl ether, anisole, phenetole, methyl anisole, etc., but not limited thereto.

In some embodiments, as the ketone solvent, for example, 4-hydroxy-4-methyl-2-pentanone, acetone, 2-butanone, 2-heptanone, 3-heptanone, 4-heptanone, 4 -Methyl-2-pentanone, cyclopentanone, cyclohexanone, isophorone, etc., but not limited thereto.

In some embodiments, as the alcohol solvent, methanol, ethanol, propanol, butanol, hexanol, cyclohexanol, ethylene glycol, propylene glycol, glycerin, etc. can be cited, but not limited thereto.

In some embodiments, examples of the aromatic hydrocarbon solvent include benzene, toluene, xylene, and 1,3,5-trimethylbenzene, but are not limited thereto.

In some embodiments, N,N-dimethylformamide, N,N-dimethylacetamide, and N-methylpyrrolidone can be cited as the amide solvent, but not limited thereto.

In some examples, the solvent is preferably an organic solvent having a boiling point at 1 atm of 120° C. to 180° C. in terms of coating properties and drying properties. The solvent is preferably propylene glycol monomethyl ether acetate, ethyl lactate, propylene glycol monomethyl ether, ethyl 3-ethoxypropionate, ethylene glycol monomethyl ether, diethylene glycol monomethyl ether, diethylene glycol monomethyl ether, Alcohol monoethyl ether, 4-hydroxy-4-methyl-2-pentanone, N-methylpyrrolidone and N,N-dimethylformamide, more preferably propylene glycol monomethyl ether acetate , Propylene Glycol Monomethyl Ether, N-Methylpyrrolidone, Ethyl Lactate and Ethyl 3-ethoxypropionate.

According to some embodiments of the present invention, the content of the solvent (E) is preferably 35-80% by weight, more preferably 35-70% by weight relative to the total weight of the green photosensitive resin composition.

When the solvent (E) is contained within the above range, the flatness at the time of coating becomes favorable, and the color density does not become insufficient when forming a color filter, so the display characteristics tend to become favorable.

[Additive (F)]

In some embodiments, the green photosensitive resin composition may further include an additive (F). Additives (F) may include antioxidants, fillers, other polymer compounds, curing agents, pigment dispersants, adhesion promoters, ultraviolet absorbers, deflocculants, and the like.

In some embodiments, the antioxidant can improve thermal stability by preventing oxidation of the green photosensitive resin composition. Antioxidants include primary antioxidants, secondary antioxidants, or combinations thereof, wherein primary antioxidants prevent oxidation by directly participating in oxidation, and secondary antioxidants are used to prevent excessive consumption of primary antioxidants.

In some embodiments, antioxidants include phenolic antioxidants, or phenolic antioxidants are used in combination with one or more compounds selected from phosphate antioxidants and sulfur-containing antioxidants, wherein phenolic antioxidants belong to the aforementioned primary Antioxidants, while phosphate antioxidants and sulfur-containing antioxidants belong to the aforementioned secondary antioxidants. In some embodiments, the antioxidant is preferably primary antioxidant 4,4'-butylbis(6-tert-butyl-m-cresol) (BBMS).

As for the aforementioned filler, specifically, glass, silica, alumina, etc. can be used, but not limited thereto.

Regarding the aforementioned other polymer compounds, specifically, curable resins such as epoxy resins and maleimide resins, polyvinyl alcohol, polyacrylic acid, polyethylene glycol monoalkyl ethers, polyfluoroalkyl acrylates, etc., can be used. , polyester, polyurethane and other thermoplastic resins, etc., but not limited thereto.

The aforementioned curing agent is used to improve deep curing and mechanical strength. Specifically, epoxy compounds, polyfunctional isocyanate compounds, melamine compounds, oxetane compounds, etc. can be used, but not limited thereto. As for the aforementioned epoxy compound, specifically, bisphenol A type epoxy resin, hydrogenated bisphenol A type epoxy resin, bisphenol F type epoxy resin, hydrogenated bisphenol F type epoxy resin, novolak type epoxy resin, Oxygen resins, other aromatic epoxy resins, alicyclic epoxy resins, glycidyl ester resins, glycidyl amine resins or brominated derivatives of these epoxy resins, epoxy resins and their brominated derivatives Other aliphatic, cycloaliphatic or aromatic epoxy compounds, butadiene (co)polymer epoxides, isoprene (co)polymer epoxides, glycidyl (meth)acrylate ( Co)polymer, triglycidyl isocyanurate, etc., but not limited thereto. As for the aforementioned oxetane compound, specifically, dioxetane carbonate, dioxetane xylene, dioxetane adipate, bisoxetane terephthalate, Cyclobutane, cyclohexanedicarboxylic acid bisoxetane, etc., but not limited thereto.

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 may be used together with the curing agent. As the aforementioned curing assisting compound, polycarboxylic acids, polycarboxylic anhydrides, acid generators, and the like can be used. As the polyhydric carboxylic acid anhydrides, compounds commercially available as epoxy resin curing agents can be used. As a commercially available epoxy resin curing agent, for example, it may be: trade name (ADEKA curing agent EH-700) (ADEKA industry (manufactured by Co., Ltd.), trade name (RIKACID HH) (manufactured by Shin Nippon Chemical Co., Ltd.), Brand name (MH-700) (manufactured by Shin Nippon Chemical Co., Ltd.), etc.

The curing agents exemplified above can be used alone or in combination of two or more.

Commercially available surfactants can be used for the aforementioned pigment dispersant, specifically, a group selected from silicone-based, fluorine-based, ester-based, cationic, anionic, non-ionic, and amphoteric surfactants can be used. alone or in mixtures thereof. More specifically, polyoxyethylene alkyl ethers, polyoxyethylene alkylphenyl ethers, polyethylene glycol diesters, sorbitan fatty acid esters, fatty acid-modified polyesters In addition, the trade names KP (Shin-Etsu Chemical Co., Ltd.), (POLYFLOW) (Kyoeisha Chemical Co., Ltd.), (EFTOP) can also be used. (Co., Ltd.), (MEGAFAC) (DAINIPPON INK AND CHEMICALS, INCORPORATED (Co., Ltd.)), (Flourad) (Sumitomo 3M Co., Ltd.), (Asahi guard), Surflon (Surflon) (the above, Asahi Glass Co., Ltd.), (SOLSPERSE ) (Lubrisol), EFKA (EFKA Chemical Company), PB821 (Ajinomoto Co., Ltd.), Disperbyk-series (BYK-chemi), etc.

With regard to the aforementioned adhesion promoters, specifically, one or a mixture thereof selected from the group consisting of the following adhesion promoters can be used: vinyltrimethoxysilane, vinyltriethoxysilane, vinyltris(2- Methoxyethoxy)silane, N-(2-aminoethyl)-3-aminopropylmethyldimethoxysilane, N-(2-aminoethyl)-3-aminopropyltrimethoxy Silane, 3-Aminopropyltriethoxysilane, 3-Glycidoxypropyltrimethoxysilane, 3-Glycidoxypropylmethyldimethoxysilane, 2-(3,4- Epoxycyclohexyl)ethyltrimethoxysilane, 3-chloropropylmethyldimethoxysilane, 3-chloropropyltrimethoxysilane, 3-methacryloxypropyltrimethoxysilane, 3-Mercaptopropyltrimethoxysilane, 3-Isocyanatopropyltrimethoxysilane, and 3-Isocyanatopropyltriethoxysilane.

Regarding the aforementioned ultraviolet absorber, specifically, 2-(3-tert-butyl-2-hydroxy-5-methylphenyl)-5-chlorobenzotriazole, alkoxybenzophenone, etc. can be used, But not limited to this.

As the aforementioned deflocculating agent, specifically, sodium polyacrylate and the like can be used, but not limited thereto.

In some embodiments, the content of the additive (F) is based on weight % relative to the total weight of the green photosensitive resin composition, preferably less than 0.1 weight %, more preferably 0.05-0.1 weight %.

When the content of the additive (F) is within the above range, various properties such as thermal stability, dispersion, curing, and ultraviolet absorption can be provided without affecting the properties of the original green photosensitive resin composition.

[color filter]

Another embodiment of the disclosure relates to a color filter, which can be formed from the cured product of the green photosensitive resin composition according to any one of the foregoing embodiments. For example, the green photosensitive resin composition according to any of the foregoing embodiments can be used to form the color filter by photolithography, inkjet, or printing methods, but the disclosure is not limited to this.

As the method of forming the color filter (color filter pattern) from the cured product of the green photosensitive resin composition of the present invention, photolithography, inkjet method, printing method and the like are mentioned. Among them, the photolithography method is preferable. Photolithography is a method in which the above-mentioned green photosensitive resin composition is coated on a substrate, dried to form a photosensitive composition layer, and the photosensitive composition layer is exposed through a photomask for development. In the photolithography method, a photosensitive coating film that is a cured product of the above-mentioned photosensitive composition layer can be formed by not using a photomask and/or not developing during exposure. The photosensitive pattern and photosensitive coating film formed in this way can be used as the color filter of this invention.

The film thickness of the color filter produced is not particularly limited, and can be appropriately adjusted according to the purpose, application, etc., for example, 0.1 to 30 μm, preferably 0.1 to 20 μm, more preferably 0.5 to 6 μm, and more preferably 1.5 to 3.5 μm.

As the substrate, glass plates such as quartz glass, borosilicate glass, aluminosilicate glass, soda-lime glass whose surface is coated with silica, polycarbonate, polymethyl methacrylate, polyparaphenylene, etc., can be used. Resin plates such as ethylene glycol diformate, silicon, aluminum, silver, and silver/copper/palladium alloy thin films are formed on the above-mentioned substrates. Additional color filter layers, resin layers, transistors, circuits, etc. may be formed on these substrates.

The formation of patterns (pixels) of various colors by photolithography can be carried out under known or commonly used devices and conditions. For example, the green photosensitive resin composition can be coated on the substrate first, and then dried by heating (pre-baking) and/or reduced pressure to remove volatile components such as solvents and dry to obtain a smooth green photosensitive resin composition layer . As a coating method, a spin coat method, a slit coat method, a slit and spin coat method, etc. are mentioned.

Next, the green photosensitive resin composition layer was exposed with a light source having a wavelength of 365 nm through a photomask for forming a photosensitive pattern of interest. Since it is possible to uniformly irradiate the entire exposure surface with parallel light rays and accurately align the photomask and the substrate on which the green photosensitive resin composition layer is formed, exposure devices such as a mask aligner and a stepper are preferably used.

A photosensitive pattern is formed on a substrate by developing the exposed green photosensitive resin composition layer in contact with a developer. By development, the unexposed part of the green photosensitive resin composition layer is dissolved in a developing solution and removed. As the developer, for example, an aqueous solution of a basic compound such as potassium hydroxide, sodium bicarbonate, sodium carbonate, tetramethylammonium hydroxide, or the like is preferable. The concentration in the aqueous solution of these basic compounds is preferably 0.01 to 10% by weight, more preferably 0.03 to 5% by weight. Furthermore, the developer may contain a surfactant. The developing method may be any of spin-on-dip method, dipping method, spray method and the like. Furthermore, the substrate can be inclined at any angle during image development. Washing with water is possible after developing.

The dosage of the aforementioned exposure procedure is not particularly limited. In some embodiments, the exposure dosage in this case can be 50 to 100 mJ.

Furthermore, it is preferable to post-bak the obtained photosensitive pattern. The post bake temperature is preferably 80°C to 250°C, or may be 100°C to 240°C. The post-bake time is preferably 1 to 120 minutes.

The cured product of the green photosensitive resin composition of this application can be used to produce a color filter, which is a color filter that can be used in display devices (such as liquid crystal display devices, organic EL devices, electronic paper, etc.) and solid-state imaging elements or color filters.

Below, this disclosure will provide several examples and comparative examples to more specifically illustrate the effects that can be achieved by the green photosensitive resin composition according to the embodiments of this disclosure, and the green photosensitive resin composition prepared by applying this disclosure. Properties of permanent resin composition. However, the following examples and comparative examples are for illustrative purposes only, and should not be construed as limitations on the implementation of the present disclosure.

[Preparation Example 1] Alkali-soluble resin (B1)

After placing 213.6 g of propylene glycol monomethyl ether acetate in a flask equipped with a stirring device, a dropping funnel, a condenser, a thermometer, and a gas introduction tube, the mixture was stirred while being replaced with nitrogen, and the temperature was raised to 90° C. Then, the methyl methacrylate of 30.0g (0.30 mol), the tricyclodecanyl methacrylate of 11.0g (0.05 mol) and the methacrylic acid of 46.9g (0.65 mol) Add 4.0 g of t-butylperoxy-2-ethylhexanoate to the formed monomer mixture, drop it into the aforementioned flask from the dropping funnel, and stir at 95°C for about 1 hour to carry out the copolymerization reaction. Copolymers are produced. Then, after replacing the nitrogen in the aforementioned flask with air, add 78.2 g (0.55 moles) of epoxypropyl methacrylate, 0.6 g of triphenylphosphine (catalyst) and 0.6 g of hydroquinone (polymerization Inhibitor) was carried out at 120°C for about 6 hours for ring-opening addition reaction to produce a copolymer. Next, 221.3 g of propylene glycol monomethyl ether was added to this reaction solution to obtain a copolymer solution having a solid content concentration of 38% by mass (weight average molecular weight: 7,000).

[Preparation Example 2] Alkali-soluble resin (B2)

After placing 213.6 g of propylene glycol monomethyl ether acetate in a flask equipped with a stirring device, a dropping funnel, a condenser, a thermometer, and a gas introduction tube, the mixture was stirred while being replaced with nitrogen, and the temperature was raised to 90° C. Then, 19.8g (0.10 mol) of N-benzylmaleimide, 44.1g (0.25 mol) of benzyl methacrylate, 35.1g (0.35 mol) of methacrylic acid Add 4.0 g of t-butylperoxy-2-ethylhexanoate to the monomer mixture composed of methyl ester and 25.9 g (0.30 moles) of methacrylic acid, drop it into the aforementioned flask from the dropping funnel, Stirring at 95° C. for about 2 hours was carried out for copolymerization reaction to produce a copolymer. Then, after replacing the nitrogen in the aforementioned flask with air, add 28.6 g (0.20 moles) of epoxypropyl methacrylate, 0.6 g of triphenylphosphine (catalyst) and 0.6 g of hydroquinone (polymerization Inhibitor) was carried out at 120°C for about 6 hours for ring-opening addition reaction to produce a copolymer. Next, 221.3 g of propylene glycol monomethyl ether was added to this reaction solution to obtain a copolymer solution having a solid content concentration of 39% by mass (weight average molecular weight: 17,000).

The measurement of the polystyrene conversion weight average molecular weight (Mw) of an alkali-soluble resin (B) was performed on the following conditions using gel chromatography (GPC method). Device: HLC-8120GPC (manufactured by Tosoh Co., Ltd.) Column: TSK-GELG2000HXL Column temperature: 40°C Solvent: THF Flow rate: 1.0mL/min Concentration of detected liquid and solid components: 0.001 to 0.01% by mass Injection volume: 50μL Detector: RI Standard substances for calibration: TSK STANDARD POLYSTYRENE F-40, F-4, F-288, A-2500, A-500 (manufactured by Tosoh Corporation).

[Example 1-10] Green photosensitive resin composition

Get 15% by weight of the coloring agent (A), 12% by weight of the alkali-soluble resin (B1) obtained in Preparation Example 1, 12% by weight of the alkali-soluble resin (B2) obtained in Preparation Example 2, and 10% by weight of the polymerizable Saturated compound (C) dipentaerythritol hexaacrylate (KAYARAD (registered trademark) DPHA, manufactured by Nippon Kayaku Co., Ltd.), 1% by weight of photopolymerization initiator (D) (trade name: PBG-345; Changzhou Qiangli Electronics Co., Ltd. New Materials Co., Ltd.), 50% by weight of solvent (E) propylene glycol monomethyl ether acetate (propylene glycol monomethyl ether acetate, PGMEA; purchased from Youhe Trading Co., Ltd.), and less than 0.1% of additives (F) 4,4'-butylene bis(6-tert-butyl m-cresol) (BBM-S) is mixed, dispersed, and dissolved to obtain a green photosensitive resin composition, wherein the differences in Examples 1-10 The composition of the blue coloring agent (A1) and the yellow coloring agent (A2) are different, and the compositions are as shown in Table 1.

[Comparative Example 1-3] Green photosensitive resin composition

Except for the composition of the blue colorant (A1) and the yellow colorant (A2) in Comparative Example 1-3, and the use of green colorant (A-G), the rest are the same as in Example 1-10, and green photosensitivity can be obtained. permanent resin composition.

The composition of the coloring agent (A) in each of the following examples and comparative examples is shown in Table 1, where the coloring agent (A) is 100% by weight, and the selected types of each component are described below.

[Table 1] Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 Example 7 Example 8 Example 9 Example 10 Comparative example 1 Comparative example 2 Comparative example 3 Colorant (A) Blue Colorant (A1) B16 65% 65% 65% 65% - - - 65% 50% 35% 10% 10% - B15:6 - - - - 65% 65% 65% - - - - - - Yellow Colorant (A2) Y185 35% 35% Y150 - 35% - - - 35% - - - - - - Y139 35% 35% 50% 65% 9% 9% Y139E - - 35% - - 35% - - - - - Green Colorant (AG) G-63 - - - - - - - - 81% - G36 100% G-59 - - - - - - - - - 81% - Value A 22.9 28.0 25.3 29.1 24.7 23.0 27.3 27.8 21.3 21.5 24.1 21.6 30.7 Value B 36.2 T% (A/B) 63% 77% 70% 81% 68% 64% 75% 77% 59% 59% 67% 60% 85% λ527±3 (nm) 529 527 527 527 529 528 528 527 528 528 527 528 527 ΔE* _ab 3.18 1.14 0.78 4.42 4.62 2.52 2.63 2.92 4.50 3.15 8.51 10.82 5.19 Evaluation o ◎ ◎ Δ o ◎ ◎ ◎ Δ o x x x

In Table 1, each component represents the following compounds: B16, B15:6: C.I Pigment Blue 16, C.I Pigment Blue 15:6 (A1) Y185, Y150, Y139, Y139E: C.I Pigment Yellow 185, C.I Pigment Yellow 150, C.I Pigment Yellow 139, C.I Pigment Yellow 139E (A2) G-63, G36, G-59: C.I Pigment Green 63, C.I Pigment Green 36, C.I Pigment Green-59 (A-G)

數值B：

T%（A/B）：數值A/數值B，亦即

λ527±3：以穿透圖譜的波峰為527nm的光源照射綠色感光性樹脂組成物後所得穿透圖譜的波峰值 ΔE* _ab：耐光性測試前後的顏色差異性 In Table 1, the meanings of each numerical value are as follows: Value A:

Value B:

T% (A/B): value A/value B, that is

λ527±3: The peak value of the transmission spectrum obtained by irradiating the green photosensitive resin composition with a light source with a peak of 527nm in the transmission spectrum ΔE* _ab : Color difference before and after the light resistance test

[Test of green photosensitive resin composition]

(1) The green photosensitive resin compositions of Examples 1-10 and Comparative Examples 1-3 are made into color chips and measured with a colorimeter to measure their transmittance, so as to obtain Examples 1-10 and Comparative Examples 1-3 The transmittance value (T%) of the green photosensitive resin composition in the visible light wavelength range (refer to the example drawn in Figure 1). In addition, the transmittance value of the green light source with a peak value of 527nm in the visible light wavelength range was measured , and the transmittance of the green photosensitive resin composition in the visible light wavelength range after being irradiated with a green light source with a wavelength of 527nm. Then, use the obtained penetration spectrum to evaluate through step (2) selection of penetration and (3) peak difference, wherein the results obtained in steps (2) and (3) are recorded in Table 1.

(2) Select the transmittance: First, calculate the value A and value B shown in Table 1, where the values A and B respectively represent the transmittance value of the green photosensitive resin composition illuminated by the light source in the transmittance spectrum in the visible light wavelength range , and the integral value of the light source in the visible light wavelength range. Finally, the selective transmittance (value A/value B) is obtained. The selective transmittance is preferably greater than or equal to 50%, which can make the green photosensitive resin composition at low temperature Maintain high transparency after the process.

nm內，符合如下所示之式二： λ-3nm≦λ1≦λ+3nm (式二) 其中 λ1：著色劑(A)搭配光源後之穿透值的波峰(nm) λ：光源之穿透值的波峰(nm) 波峰值差異在

nm內代表色彩並未失真。 (3) The difference in the peak value of the transmission spectrum of the light source and the green photosensitive resin composition after the light source is irradiated: for example, as shown in the example in Figure 1, the light source can be obtained by the transmission spectrum obtained in step (1). The peak of the transmittance value is 527nm, while the peak of the transmittance value of the green photosensitive resin composition after being irradiated with a light source is 529nm, and the peak difference between the two is preferably at

Within nm, it conforms to the following formula 2: λ-3nm≦λ1≦λ+3nm (Formula 2) where λ1: the peak (nm) of the penetration value after the colorant (A) is matched with the light source λ: the penetration of the light source Peak value (nm) Peak difference in

In nm, the color is not distorted.

[Production of color filters]

的溫度預烘烤120秒，再以微影法在綠色感光性樹脂組成物上使用波長365nm之光源進行曝光，其後，以KOH之鹼性顯像液進行顯像，最後，將所製作出的圖案薄膜透過90

的溫度後烘烤30-60分鐘加熱處理，待冷卻後使用OCA光敏感性透明材用旋轉塗佈或貼合方式覆蓋曝光機以波長365nm之光源來進行固化，以得到含有所需圖案之彩色濾光片。 The green photosensitive resin compositions of Examples 1-10 and Comparative Examples 1-3 were coated on a glass substrate with a thickness of 0.4-0.7 mm (film thickness 2-3 um) by spin coating, and then heated by a heating plate. Green photosensitive resin composition with 80-90

The temperature is pre-baked for 120 seconds, and then exposed on the green photosensitive resin composition with a light source with a wavelength of 365nm by lithography, and then developed with KOH alkaline developer, and finally, the produced The patterned film transmits through 90

After cooling, use OCA light-sensitive transparent material to cover the exposure machine by spin coating or pasting, and use a light source with a wavelength of 365nm to cure to obtain the color with the desired pattern. filter.

[Lightfastness test]

Place the fabricated color filter in the exposure machine and irradiate the light source with a wavelength of 365nm for 48 hours, and measure the optics before and after the light resistance test to judge the light resistance of the material, among which ΔE* _ab and light resistance evaluation Recorded in Table 1.

L ₁* : 耐光性測試前明度； L ₂* : 耐光性測試後明度； a ₁*、b ₁* : 耐光性測試前色度指數； a ₂*、b ₂* : 耐光性測試後色度指數。 Use a colorimeter to locate the position of the colored pattern sheet before the NMP test, and measure the chromaticity value (L*, a*, b*) of the colored pattern sheet after it is immersed in the solvent. According to the definition of ΔE* _ab in CIELAB color space, calculate the color difference ΔE* _ab , the formula is as follows:

L ₁ * : lightness before lightfastness test; L ₂ * : lightness after lightfastness test; a ₁ *, b ₁ * : chromaticity index before lightfastness test; a ₂ *, b ₂ * : chromaticity after lightfastness test index.

[Evaluation]

In practical applications, after placing it in the exposure machine for 48 hours of light fastness test, the light fastness can be evaluated through the color difference ΔE* _ab according to Table 2.

3 3≦ΔE* _ab≦ 3.5 3.5

ΔE* _ab≦5 ΔE* _ab＞5 評價 ◎ O Δ X ◎：最佳，在經過耐光性測試前後的顏色差異ΔE* _ab小於3。 O：較佳，在經過耐光性測試前後的顏色差異ΔE* _ab在3至3.5的範圍。 Δ：佳，在經過耐光性測試前後的顏色差異ΔE* _ab大於3.5並小於等於5的範圍。 X：不佳，在經過耐光性測試前後的顏色差異ΔE* _ab大於5。 [Table 2] ΔE* _ab Variation ΔE* _ab

3 3≦ΔE* _ab ≦ 3.5 3.5

ΔE* _ab ≦5 ΔE* _ab >5 Evaluation ◎ o Δ x ◎: Best, the color difference ΔE* _ab before and after the light fastness test is less than 3. O: Preferably, the color difference ΔE* _ab before and after the light fastness test is in the range of 3 to 3.5. Δ: good, the color difference ΔE* _ab before and after the light fastness test is greater than 3.5 and less than or equal to 5 range. X: Not good, the color difference ΔE* _ab before and after the light fastness test is greater than 5.

It can be seen from Table 1 that in Examples 1-10, the composition of the blue colorant and the yellow colorant is selected by selecting the transmittance (value A/value B) greater than or equal to 50%, so that the formed green photosensitive The permanent resin composition has the same good penetration as the green photosensitive resin composition prepared by traditional green colorant, therefore, it can replace the green photosensitive resin composition traditionally prepared by green colorant.

3nm內，代表色彩並未失真，因此，色彩表現佳。 It can be seen from Table 1 that in Examples 1-10, the difference between the peak value of the green photosensitive resin composition and the peak value of the light source at 527 nm falls within

Within 3nm, it means that the color is not distorted, so the color performance is good.

It can be seen from Table 1 and Table 2 that, in Examples 1-10, the traditional green colorant is replaced by the composition of blue colorant and yellow colorant, so that the color filter made by it can pass the light fastness test The color difference (ΔE* _ab ) is less than 5, and it has good light fastness after low temperature processing.

In contrast, it can be seen from Table 1 and Table 2 that although Comparative Examples 1-3 used blue colorants and yellow colorants, they also used traditional green colorants, so that the color filter made by it The color difference (ΔE* _ab ) of the light sheet after the light fastness test is greater than 5, and has poor light fastness after the low temperature process.

內，且由此綠色感光性樹脂組成物所製得的彩色濾光片在經過耐光性測試後的顏色差異值小於5，易言之，具有良好的穿透度、色彩表現、及耐光性。 As can be seen from Table 1 and Table 2, Examples 1, 9, and 10 use the same blue colorant and yellow colorant, the difference lies in the ratio of the blue colorant and the yellow colorant, and the above-mentioned ratio is 65:35 respectively , 50:50, 35:65, the green photosensitive resin composition within the range of the above ratio has a penetration value greater than or equal to 50%, and the peak difference is between

In addition, the color difference value of the color filter made of this green photosensitive resin composition is less than 5 after the light fastness test, in other words, it has good penetration, color performance, and light fastness.

To sum up, by selecting the composition of the blue colorant and the green colorant by using the selected transmittance, the green photosensitive resin composition and the color filter formed by it can have good transmittance and color performance. , and light fastness.

Several embodiments are summarized above so that those skilled in the art of the present invention can better understand the viewpoints of the embodiments of the present invention. Those with ordinary knowledge in the technical field of the present invention should understand that they can design or modify other processes and structures based on the embodiments of the present invention, so as to achieve the same purpose and/or advantages as the embodiments introduced here. Those skilled in the technical field of the present invention should also understand that such equivalent processes and structures do not deviate from the spirit and scope of the present invention, and they can, without departing from the spirit and scope of the present invention, Make all sorts of changes, substitutions, and substitutions.

none

Various aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. Figure 1 is an exemplary breakthrough map according to some embodiments of the present disclosure.

Claims (13)

A green photosensitive resin composition comprising: (A) a colorant; (B) an alkali-soluble resin; (C) a polymerizable unsaturated compound; (D) a photopolymerization initiator; and (E) a solvent, wherein the colored Agent (A) includes a blue colorant (A1) and a yellow colorant (A2), and the combination of the blue colorant (A1) and the yellow colorant (A2) meets the color selection penetration

55%, where the color selection penetration is defined as:

The green photosensitive resin composition according to claim 1, wherein the color selection transmittance of the green photosensitive resin composition

85%. Such as the green photosensitive resin composition of claim 1, wherein

[Color Penetration Value × Light Source Penetration Value] is in the range of 20-35. The green photosensitive resin composition according to claim 1, wherein the blue colorant (A1) has a wavelength of 380-600nm and the yellow colorant (A2) has a wavelength of 480-780nm. The green photosensitive resin composition according to claim 1, wherein the blue colorant (A1) is B16, B15:6, or a combination thereof, and the yellow colorant (A2) is Y185, Y150, Y139, Y139E, or its combination. Such as the green photosensitive resin composition of claim 1, wherein the yellow The weight ratio of the blue colorant (A2) to the blue colorant (A1) is 35:65-65:35. Such as the green photosensitive resin composition of claim 1, wherein the color penetration value of the colorant (A) meets the following formula: λ-3nm≦λ1≦λ+3nm (Formula 2) where λ1: the colorant (A) The peak of the penetration value after matching with the light source (nm) λ: the peak of the penetration value of the light source (nm). Such as the green photosensitive resin composition of claim 1, comprising: 10-45% by weight of the colorant (A); 5-30% by weight of the alkali-soluble resin (B); 1-30% by weight of the polymerizable Unsaturated compound (C); 0.1-2.5% by weight of the photopolymerization initiator (D); and 35-80% by weight of the solvent (E). Such as the green photosensitive resin composition of claim 8, which further includes (F) 0.05-0.1% by weight of additives. The green photosensitive resin composition according to claim 9, wherein the additive (F) is an antioxidant. The green photosensitive resin composition according to claim 1, wherein the colorant (A) includes pigments, dyes, or combinations thereof; and/or the monomers of the alkali-soluble resin (B) include methyl methacrylate, methyl Acrylic acid, tricyclodecanyl methacrylate, epoxypropyl methacrylate, benzyl methacrylate, N-benzylmaleimide, or combinations thereof. A color filter formed of the green photosensitive resin composition according to any one of Claims 1-11. The color filter according to claim 12, wherein the color difference of the color filter is ΔE* _ab <5.

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