WO2023200045A1 - 감광성 수지 조성물, 이를 이용하여 제조된 감광성 수지막 및 컬러 필터 - Google Patents
감광성 수지 조성물, 이를 이용하여 제조된 감광성 수지막 및 컬러 필터 Download PDFInfo
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- WO2023200045A1 WO2023200045A1 PCT/KR2022/012439 KR2022012439W WO2023200045A1 WO 2023200045 A1 WO2023200045 A1 WO 2023200045A1 KR 2022012439 W KR2022012439 W KR 2022012439W WO 2023200045 A1 WO2023200045 A1 WO 2023200045A1
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- photosensitive resin
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- acrylate
- modified bisphenol
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
- G03F7/032—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders
- G03F7/033—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders the binders being polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
- G03F7/028—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with photosensitivity-increasing substances, e.g. photoinitiators
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
- C08F222/10—Esters
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/0005—Production of optical devices or components in so far as characterised by the lithographic processes or materials used therefor
- G03F7/0007—Filters, e.g. additive colour filters; Components for display devices
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
- G03F7/032—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/038—Macromolecular compounds which are rendered insoluble or differentially wettable
- G03F7/0388—Macromolecular compounds which are rendered insoluble or differentially wettable with ethylenic or acetylenic bands in the side chains of the photopolymer
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
- G03F7/105—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having substances, e.g. indicators, for forming visible images
Definitions
- This description relates to a photosensitive resin composition, a photosensitive resin film manufactured using the same, and a color filter.
- An image sensor is a semiconductor that converts photons into electrons and allows them to be displayed on a display or stored in a storage device.
- the image sensor is classified into a charge coupled device (CCD) image sensor and a complementary metal oxide semiconductor (CMOS) image sensor, depending on the manufacturing process and application method.
- CCD charge coupled device
- CMOS complementary metal oxide semiconductor
- CMOS Image Sensor is a non-memory semiconductor that converts an image received by a camera into a digital signal and is a collection of pixels such as a color filter, photo diode, and amplifier.
- the color filter includes filter segments of additive primary colors of red, green, and blue, and a pigment dispersion method is known as one of the methods for manufacturing the filter.
- a photosensitive resin composition containing a colorant is coated on a substrate, a pattern of the shape to be formed is exposed to light, developed, and thermally cured through post bake to form a photosensitive resin film, This is a method of manufacturing a color filter by repeating this series of processes.
- One embodiment is to provide a photosensitive resin composition suitable for thinning and high-resolution implementation.
- Another embodiment is to provide a red or blue photosensitive resin film manufactured using the photosensitive resin composition.
- Another embodiment is to provide a color filter manufactured using the photosensitive resin film.
- glycol-modified bisphenol A (meth)acrylate alkylene glycol-modified bisphenol A di(meth)acrylate, or a combination thereof
- the total number of alkylene glycol repeating units in the modified bisphenol A (meth)acrylate-based compound is It is an integer of 4 to 30, and the modified bisphenol A (meth)acrylate-based compound provides a photosensitive resin composition in which 20% to 60% by weight of the total photopolymerizable compound is included.
- the modified bisphenol A (meth)acrylate-based compound may be alkylene glycol-modified bisphenol A di(meth)acrylate.
- the alkylene glycol-modified bisphenol A di(meth)acrylate may be represented by the following formula (1).
- R 1 and R 2 are each independently a hydrogen atom or substituted or unsubstituted C1 to C10 alkyl; L 1 and L 2 are each independently substituted or unsubstituted C1 to C10 alkylene; m and n are each independently integers from 1 to 15, but m+n is an integer from 4 to 30.
- R 1 and R 2 may be hydrogen atoms.
- Both L 1 and L 2 may be C2 alkylene.
- the m+n may be an integer of 10 to 20.
- the photopolymerizable compound may further include dipentaerythritol hexaacrylate (DPHA), pentaerythritol tetraacrylate, pentaerythritol triacrylate, or a combination thereof. You can.
- DPHA dipentaerythritol hexaacrylate
- pentaerythritol tetraacrylate pentaerythritol triacrylate
- the modified bisphenol A (meth)acrylate-based compound may be included in 25% to 45% by weight of the total photopolymerizable compound.
- the photopolymerizable compound may be included in 0.1% to 5% by weight of the photosensitive resin composition.
- the colorant may include a blue pigment, a purple pigment, a red pigment, a yellow pigment, or a combination thereof.
- the colorant may include a mixture of blue pigment and purple pigment, or may include a mixture of red pigment and yellow pigment.
- the colorant may be a mixture containing a blue pigment and a purple pigment in a weight ratio of 95:5 to 60:40, or a mixture containing a red pigment and a yellow pigment in a weight ratio of 90:10 to 40:60.
- the colorant may be included in an amount of 30% to 70% by weight.
- the binder resin may include an acrylic binder resin.
- the photosensitive resin composition includes 10% to 70% by weight of the (A) colorant, based on the total amount of the photosensitive resin composition; 0.1% to 20% by weight of the (B) binder resin; 0.1% to 5% by weight of the (C) photopolymerizable compound; (D) 0.1% to 5% by weight of photopolymerization initiator; And it may include the remaining amount of the solvent (E).
- the photosensitive resin composition includes malonic acid; 3-amino-1,2-propanediol; A coupling agent containing a vinyl group or (meth)acryloxy group; leveling agent; and at least one additive selected from fluorine-based surfactants.
- a photosensitive resin film manufactured using the photosensitive resin composition is provided.
- a color filter including the photosensitive resin film is provided.
- CMOS image sensor including the color filter is provided.
- a display device including the color filter is provided.
- the photosensitive resin composition of one embodiment improves the developability of the photopolymerizable compound itself, which provides curability, so that a photosensitive resin film and a color filter containing the same can be manufactured at a thin thickness while realizing a high level of resolution.
- Figure 1 is a 1.4 ⁇ m pattern CD-SEM photograph of a color filter pattern specimen manufactured using the photosensitive resin composition according to Comparative Example 1.
- Figure 2 is a 1.4 ⁇ m pattern CD-SEM photograph of a color filter pattern specimen manufactured using the photosensitive resin composition according to Example 1.
- Figure 3 is a 1.4 ⁇ m pattern CD-SEM photograph of a color filter pattern specimen manufactured using the photosensitive resin composition according to Example 2.
- Figure 4 is a 1.4 ⁇ m pattern CD-SEM photograph of a color filter pattern specimen manufactured using the photosensitive resin composition according to Example 3.
- Figure 5 is a 1.4 ⁇ m pattern CD-SEM photograph of a color filter pattern specimen manufactured using the photosensitive resin composition according to Example 4.
- Figure 6 is a 1.4 ⁇ m pattern CD-SEM photograph of a color filter pattern specimen manufactured using the photosensitive resin composition according to Comparative Example 2.
- Figure 7 is a 1.4 ⁇ m pattern CD-SEM photograph of a color filter pattern specimen manufactured using the photosensitive resin composition according to Comparative Example 3.
- Figure 8 is a 1.4 ⁇ m pattern CD-SEM photograph of a color filter pattern specimen manufactured using the photosensitive resin composition according to Example 5.
- Figure 9 is a 1.4 ⁇ m pattern CD-SEM photograph of a color filter pattern specimen manufactured using the photosensitive resin composition according to Example 6.
- Figure 10 is a 1.4 ⁇ m pattern CD-SEM photograph of a color filter pattern specimen manufactured using the photosensitive resin composition according to Example 7.
- Figure 11 is a 1.4 ⁇ m pattern CD-SEM photograph of a color filter pattern specimen manufactured using the photosensitive resin composition according to Example 8.
- Figure 12 is a 1.4 ⁇ m pattern CD-SEM photograph of a color filter pattern specimen manufactured using the photosensitive resin composition according to Comparative Example 4.
- Figure 13 is a 1.4 ⁇ m pattern CD-SEM photograph of a color filter pattern specimen manufactured using the photosensitive resin composition according to Comparative Example 5.
- Figure 14 is a 1.4 ⁇ m pattern CD-SEM photograph of a color filter pattern specimen manufactured using the photosensitive resin composition according to Example 9.
- Figure 15 is a 1.4 ⁇ m pattern CD-SEM photograph of a color filter pattern specimen manufactured using the photosensitive resin composition according to Example 10.
- Figure 16 is a 1.4 ⁇ m pattern CD-SEM photograph of a color filter pattern specimen manufactured using the photosensitive resin composition according to Example 11.
- Figure 17 is a 1.4 ⁇ m pattern CD-SEM photograph of a color filter pattern specimen manufactured using the photosensitive resin composition according to Example 12.
- Figure 18 is a 1.4 ⁇ m pattern CD-SEM photograph of a color filter pattern specimen manufactured using the photosensitive resin composition according to Comparative Example 6.
- substitution means that at least one hydrogen atom in the compound is a halogen atom (F, Cl, Br, I), hydroxy group, C1 to C20 alkoxy group, nitro group, cyano group, amine group, or already.
- heterocycloalkyl group refers to cycloalkyl, cycloalkenyl, cycloalkynyl, and cycloalkyl group, respectively. It means that at least one hetero atom of N, O, S or P is present in the ring compound of ren.
- (meth)acrylate means that both “acrylate” and “methacrylate” are possible.
- One embodiment includes (A) a colorant; (B) binder resin; (C) photopolymerizable compound; (D) photopolymerization initiator; and (E) a solvent, wherein the photopolymerizable compound includes at least one modified bisphenol A (meth)acrylate-based compound containing an alkylene glycol repeating unit, and the modified bisphenol A (meth)acrylate-based compound is alkylene glycol-modified bisphenol A (meth)acrylate, alkylene glycol-modified bisphenol A di(meth)acrylate, or a combination thereof, and all alkylene glycol repeating units in the modified bisphenol A (meth)acrylate-based compound The number is an integer of 4 to 30, and the modified bisphenol A (meth)acrylate-based compound provides a photosensitive resin composition in which 20% to 60% by weight of the total photopolymerizable compound is included.
- the photosensitive resin composition of one embodiment improves the developability of the photopolymerizable compound itself, which provides curability, so that a photosensitive resin film and a color filter containing the same can be manufactured at a thin thickness while realizing a high level of resolution.
- the photosensitive resin composition of one embodiment includes at least one type of modified bisphenol A (meth)acrylate-based compound containing an alkylene glycol repeating unit as a photopolymerizable compound.
- the modified bisphenol A (meth)acrylate-based compound containing the alkylene glycol repeating unit has lower curing properties compared to generally known photopolymerizable compounds, but has an alkylene glycol structure and exhibits excellent developability, Having a bisphenol structure has the advantage of providing robust patternability.
- the content of the modified bisphenol A (meth)acrylate-based compound is set to the total photopolymerizable compound.
- residues can be reduced while increasing the resolution of the photosensitive resin film and the color filter containing it.
- the photosensitive resin composition of one embodiment includes a photopolymerizable compound, and the photopolymerizable compound corresponds to a component that imparts curability to the photosensitive resin composition.
- the photosensitive resin composition of one embodiment includes at least one modified bisphenol A (meth)acrylate-based compound containing an alkylene glycol repeating unit as a photopolymerizable compound; While limiting the total number of alkylene glycol repeating units in the modified bisphenol A (meth)acrylate-based compound to an integer of 4 to 30, the content of the modified bisphenol A (meth)acrylate-based compound is set to 20 in the total photopolymerizable compounds. Limited to 60% by weight.
- the modified bisphenol A acrylate-based compound is a compound containing an alkylene glycol repeating unit, and is alkylene glycol-modified bisphenol A (meth)acrylate, alkylene glycol-modified bisphenol A di(meth)acrylate, or a combination thereof. .
- the modified bisphenol A (meth)acrylate-based compound may be alkylene glycol-modified bisphenol A di(meth)acrylate.
- the (meth)acrylate group within the molecule increases, heat resistance increases, and therefore, the heat resistance of the alkylene glycol-modified bisphenol A di(meth)acrylate may be higher than that of the alkylene glycol-modified bisphenol A (meth)acrylate.
- alkylene glycol-modified bisphenol A di(meth)acrylate may be represented by the following formula (1):
- alkylene glycol-modified bisphenol A di(meth)acrylate represented by Formula 1 *-(L 1 -O)-* and *-(L 2 -O)-* correspond to alkylene glycol repeating units; , the developability of the photosensitive resin composition can be improved based on its hydrophilicity.
- L 1 and L 2 may each independently be substituted or unsubstituted C1 to C10 alkylene, and specifically may be substituted or unsubstituted C1 to C5 alkylene.
- both L 1 and L 2 may be C2 alkylene (ie, ethylene).
- m and n correspond to the number of alkylene glycol repeating units, and the degree of hydrophilicity varies depending on the total number of alkylene glycol repeating units in the molecule. You can.
- m and n are each independently integers from 1 to 15. However, m+n may be an integer from 4 to 30, and specifically may be an integer from 10 to 20.
- R 1 and R 2 may each independently be a hydrogen atom or a substituted or unsubstituted C1 to C10 alkyl; Specifically it may be a hydrogen atom or C1 alkyl (i.e. methyl); For example, it may be a hydrogen atom.
- the photosensitive resin composition of one embodiment may include the modified bisphenol A di(meth)acrylate as a first photopolymerizable compound and may further include a second photopolymerizable compound different from the modified bisphenol A di(meth)acrylate.
- a mono- or multi-functional ester of (meth)acrylic acid having at least one ethylenically unsaturated double bond may be additionally used.
- the second photopolymerizable compound By having the ethylenically unsaturated double bond, the second photopolymerizable compound can form a pattern with excellent heat resistance, light resistance, and chemical resistance by causing sufficient polymerization when exposed to light in the pattern formation process.
- the second photopolymerizable compound examples include ethylene glycol di(meth)acrylate, diethylene glycol di(meth)acrylate, triethylene glycol di(meth)acrylate, propylene glycol di(meth)acrylate, neo.
- Examples of commercially available products of the second photopolymerizable compound are as follows.
- Examples of the monofunctional ester of (meth)acrylic acid include Aronics M- 101® , M- 111® , and M- 114® manufactured by Toagosei Chemical Co., Ltd.; Nippon Kayaku Co., Ltd.'s KAYARAD TC-110S ® , KAYARAD TC-120S ® , etc.; Examples include V-158 ® and V-2311 ® manufactured by Osaka Yuki Chemical Co., Ltd.
- Examples of the above-mentioned difunctional ester of (meth)acrylic acid include Aronics M-210 ® , M-240 ® , and M-6200 ® manufactured by Toagosei Chemical Co., Ltd.; Nihon Kayaku Co., Ltd.'s KAYARAD HDDA ® , HX-220 ® , R-604 ® , etc.; Examples include V-260 ® , V-312 ® , and V-335 HP ® manufactured by Osaka Yuki Chemical Engineering Co., Ltd.
- Examples of the trifunctional ester of (meth)acrylic acid include Aronics M-309 ® , M-400 ® , M-405 ® , M-450 ® , and M manufactured by Toagosei Chemical Co., Ltd. -710 ® , M-8030 ® , M-8060 ® , etc.; Nihon Kayaku Co., Ltd.'s KAYARAD TMPTA ® , DPCA-20 ® , Dong-30 ® , Dong-60 ® , Dong-120 ® , etc.; Examples include V-295 ® , Dong-300 ® , Dong-360 ® , Dong-GPT ® , Dong-3PA ® , and Dong-400 ® manufactured by Osaka Yuki Kayaku Kogyo Co., Ltd.
- the above products can be used alone or in combination of two or more types.
- the second photopolymerizable compound may be used after being treated with an acid anhydride to provide better developability.
- the modified bisphenol A acrylate-based compound i.e., first photopolymerizable monomer
- the second photopolymerizable compound may be included as a remainder.
- the content of the modified bisphenol A acrylate-based compound (i.e., first photopolymerizable monomer) of the total photopolymerizable compounds exceeds 60% by weight, hydrophilicity may excessively increase, which may actually inhibit developability.
- the content of the modified bisphenol A acrylate-based compound (i.e., the first photopolymerizable monomer) of the total photopolymerizable compound is less than 20% by weight, the degree of improvement in hydrophilicity and developability may be minimal.
- the total photopolymerizable compound may be included in an amount of 0.1% by weight to 5% by weight, specifically 0.5% by weight to 4% by weight, for example, 1% by weight to 3% by weight, based on the total amount of the photosensitive resin composition.
- the photopolymerizable compound is included within the above range, the photopolymerizable compound is sufficiently cured during exposure to light in the pattern formation process, resulting in excellent reliability and excellent developability in an alkaline developer.
- the photosensitive resin composition of one embodiment may include a pigment dispersion as a colorant.
- pigment green pigment, blue pigment, red pigment, purple pigment, yellow pigment, black pigment, etc. can be used.
- the red pigment is classified as C.I. in the color index.
- Red Pigment 254, C.I. Red Pigment 255, C.I. Red Pigment 264, C.I. Red Pigment 270, C.I. Red Pigment 272, C.I. Red Pigment 177, C.I. Red pigment 89, etc. can be used, and these can be used alone or in a mixture of two or more types, but are not necessarily limited thereto.
- the purple pigment is C.I. within the Color Index. Violet Pigment 23 (V.23), C.I. Violet Pigment 29, Dioxazine Violet, First Violet B, Methyl Violet Lake, Indanthrene Brilliant Violet, etc. can be used, and these can be used alone or in a mixture of two or more, but are not necessarily limited thereto.
- the green pigment is classified as C.I. in the color index. Green Pigment 7, C.I. Green Pigment 36, C.I. Green Pigment 58, C.I. Green pigment 59, etc. can be used, and these can be used alone or in a mixture of two or more types, but are not necessarily limited thereto.
- the blue pigment is classified as C.I. in the color index.
- Blue pigment 15:6, C.I. Blue Pigment 15, C.I. Blue pigment 15:1, C.I. Blue pigment 15:2, C.I. Blue pigment 15:3, C.I. Blue pigment 15:4, C.I. Blue pigment 15:5, C.I. Blue pigment 15:6, C.I. Copper phthalocyanine pigments such as blue pigment 16 can be used, and these can be used alone or in a mixture of two or more types, but are not necessarily limited thereto.
- the yellow pigment is classified as C.I. in the color index.
- Yellow Pigment 185 C.I. Isoindoline pigments such as yellow pigment 139, C.I. Quinophthalone pigments such as yellow pigment 138, C.I. Nickel complex pigments such as yellow pigment 150 can be used, and these can be used alone or in a mixture of two or more types, but are not necessarily limited thereto.
- the black pigment may include aniline black, perylene black, titanium black, and carbon black within the color index, and may be used alone or in a mixture of two or more types, but is not necessarily limited thereto.
- the colorant may be a pigment dispersion containing a blue pigment, a purple pigment, a red pigment, a yellow pigment, or a combination thereof.
- the pigment may be a mixture of a blue pigment and a purple pigment to produce blue, or may be a mixture of a red pigment and a yellow pigment to produce red.
- the pigment is a mixture of blue pigment and purple pigment in a weight ratio of 95:5 to 60:40, 90:10 to 70:30, or 85:15 to 75:25; It may be a mixture containing red pigment and yellow pigment in a weight ratio of 90:10 to 40:60, 80:20 to 50:50, or 70:30 to 60:40.
- the pigment may be included in the near-infrared absorbent resin composition in the form of a dispersion.
- This pigment dispersion may be composed of the pigment, solvent, dispersant, dispersion resin, etc.
- the solvent may be ethylene glycol acetate, ethyl cellosolve, propylene glycol methyl ether acetate, ethyl lactate, polyethylene glycol, cyclohexanone, propylene glycol methyl ether, etc.
- propylene glycol methyl ether acetate is preferred. You can.
- the dispersing agent helps the pigment to be uniformly dispersed in the dispersion, and nonionic, anionic, or cationic dispersants can all be used.
- nonionic, anionic, or cationic dispersants can all be used.
- Water, alkyl amine, etc. can be used, and these can be used alone or in a mixture of two or more types.
- the dispersion resin may be an acrylic resin containing a carboxyl group, which can not only improve the stability of the pigment dispersion but also improve the patterning of the pixel.
- the colorant i.e., total pigment solids
- the colorant may be included in an amount of 30% to 70% by weight, specifically 30% to 65% by weight.
- the photosensitive resin composition of one embodiment has a higher pigment solid content.
- the pigment dispersion as the colorant may be included in an amount of 10 to 70% by weight, specifically 30 to 60% by weight, based on the total amount of the photosensitive resin composition.
- the pigment dispersion is used as the colorant within the above range, sufficient light absorption occurs in some visible light regions and sufficient transmission occurs in other regions, thereby providing appropriate color discrimination ability.
- the photosensitive resin composition may include an acrylic resin as a binder resin.
- the acrylic resin is a copolymer of a first ethylenically unsaturated monomer and a second ethylenically unsaturated monomer copolymerizable therewith, and is a resin containing one or more acrylic repeating units.
- the first ethylenically unsaturated monomer is an ethylenically unsaturated monomer containing at least one carboxyl group, and specific examples thereof include acrylic acid, methacrylic acid, maleic acid, itaconic acid, fumaric acid, or a combination thereof.
- the first ethylenically unsaturated monomer may be included in an amount of 5% to 50% by weight, for example, 10% to 40% by weight, based on the total amount of the acrylic binder resin.
- the second ethylenically unsaturated monomer may include aromatic vinyl compounds such as styrene, ⁇ -methylstyrene, vinyltoluene, and vinylbenzylmethyl ether; Methyl (meth)acrylate, ethyl (meth)acrylate, butyl (meth)acrylate, 2-hydroxyethyl (meth)acrylate, 2-hydroxy butyl (meth)acrylate, benzyl (meth)acrylate, Unsaturated carboxylic acid ester compounds such as cyclohexyl (meth)acrylate and phenyl (meth)acrylate; unsaturated carboxylic acid amino alkyl ester compounds such as 2-aminoethyl (meth)acrylate and 2-dimethylaminoethyl (meth)acrylate; Carboxylic acid vinyl ester compounds such as vinyl acetate and vinyl benzoate; Unsaturated carboxylic acid glycidyl ester compounds such as glycid
- acrylic resin examples include (meth)acrylic acid/benzyl methacrylate copolymer, (meth)acrylic acid/benzyl methacrylate/styrene copolymer, (meth)acrylic acid/benzyl methacrylate/2-hydroxyethyl methacrylate Examples include, but are not limited to, late copolymers, (meth)acrylic acid/benzyl methacrylate/styrene/2-hydroxyethyl methacrylate copolymers, and these may be used alone or in combination of two or more types. .
- the binder resin may further include an epoxy-based binder resin.
- the binder resin can improve heat resistance by further including an epoxy-based binder resin.
- the epoxy-based binder resin may include, for example, phenol novolak epoxy resin, tetramethyl biphenyl epoxy resin, bisphenol A-type epoxy resin, bisphenol F-type epoxy resin, cycloaliphatic epoxy resin, or a combination thereof, but is limited thereto. That is not the case.
- the binder resin containing the epoxy-based binder resin ensures the dispersion stability of colorants such as pigments, which will be described later, and helps form pixels with a desired resolution during the development process.
- the epoxy-based binder resin may be included in an amount of 1% to 40% by weight, for example, 5% to 30% by weight, based on the total amount of the binder resin.
- the epoxy-based binder resin is included in the above range, the remaining film rate and chemical resistance can be greatly improved.
- the epoxy equivalent weight of the epoxy-based binder resin may be 150 g/eq to 200 g/eq.
- an epoxy-based binder resin having an epoxy equivalent weight within the above range is included in the binder resin, there is an advantageous effect in improving the curability of the formed pattern and fixing the colorant in the structure in which the pattern is formed.
- the binder resin may be dissolved in a solid form in a solvent to be described later to form a photosensitive resin composition in the form of a binder resin composition.
- the binder resin in the solid form may be about 10% by weight to 50% by weight, for example, 20% by weight to 40% by weight, based on the total amount of the binder resin solution dissolved in the solvent.
- the binder resin composition may be included in an amount of 0.1% to 20% by weight, specifically 1% to 10% by weight, for example, 1% to 8% by weight, based on the total amount of the photosensitive resin composition.
- the binder resin is contained within the above range, developability is excellent when manufacturing a color filter, crosslinking is improved, and excellent surface smoothness can be obtained.
- the photopolymerization initiator is an initiator commonly used in photosensitive resin compositions, for example, an acetophenone-based compound, a benzophenone-based compound, a thioxanthone-based compound, a benzoin-based compound, a triazine-based compound, an oxime-based compound, or a combination thereof. You can use it.
- acetophenone-based compounds examples include 2,2'-diethoxy acetophenone, 2,2'-dibutoxy acetophenone, 2-hydroxy-2-methylpropiophenone, p-t-butyltrichloro acetophenone, p-t -Butyldichloro acetophenone, 4-chloro acetophenone, 2,2'-dichloro-4-phenoxy acetophenone, 2-methyl-1-(4-(methylthio)phenyl)-2-morpholinopropane-1 -one, 2-benzyl-2-dimethylamino-1-(4-morpholinophenyl)-butan-1-one, etc.
- benzophenone-based compounds examples include benzophenone, benzoyl benzoic acid, methyl benzoyl benzoate, 4-phenyl benzophenone, hydroxy benzophenone, acrylated benzophenone, 4,4'-bis(dimethylamino)benzophenone, 4,4 '-bis(diethylamino)benzophenone, 4,4'-dimethylaminobenzophenone, 4,4'-dichlorobenzophenone, 3,3'-dimethyl-2-methoxybenzophenone, etc.
- thioxanthone-based compounds examples include thioxanthone, 2-methylthioxanthone, isopropyl thioxanthone, 2,4-diethyl thioxanthone, 2,4-diisopropyl thioxanthone, 2- Chlorothioxanthone, etc. can be mentioned.
- benzoin-based compound examples include benzoin, benzoin methyl ether, benzoin ethyl ether, benzoin isopropyl ether, benzoin isobutyl ether, and benzyldimethyl ketal.
- triazine-based compounds examples include 2,4,6-trichloro-s-triazine, 2-phenyl 4,6-bis(trichloromethyl)-s-triazine, 2-(3', 4'- Dimethoxystyryl)-4,6-bis(trichloromethyl)-s-triazine, 2-(4'-methoxynaphthyl)-4,6-bis(trichloromethyl)-s-triazine, 2-(p-methoxyphenyl)-4,6-bis(trichloromethyl)-s-triazine, 2-(p-tolyl)-4,6-bis(trichloromethyl)-s-triazine, 2-biphenyl 4,6-bis(trichloromethyl)-s-triazine, bis(trichloromethyl)-6-styryl-s-triazine, 2-(naphtho-1-yl)-4, 6-bis(trichloromethyl)-s-
- Examples of the oxime-based compounds include O-acyloxime-based compounds, 2-(o-benzoyloxime)-1-[4-(phenylthio)phenyl]-1,2-octanedione, 1-(o-acetyloxime) )-1-[9-ethyl-6-(2-methylbenzoyl)-9H-carbazol-3-yl]ethanone, O-ethoxycarbonyl- ⁇ -oxyamino-1-phenylpropan-1-one etc. can be used.
- O-acyloxime compounds include 1,2-octanedione, 2-dimethylamino-2-(4-methylbenzyl)-1-(4-morpholin-4-yl-phenyl)-butane- 1-one, 1-(4-phenylsulfanylphenyl)-butane-1,2-dione2-oxime-O-benzoate, 1-(4-phenylsulfanylphenyl)-octane-1,2-dione2 -oxime-O-benzoate, 1-(4-phenylsulfanylphenyl)-octan-1-oneoxime-O-acetate and 1-(4-phenylsulfanylphenyl)-butane-1-oneoxime-O- Acetate, etc. can be mentioned.
- the photopolymerization initiator may include carbazole-based compounds, diketone-based compounds, sulfonium borate-based compounds, diazo-based compounds, imidazole-based compounds, biimidazole-based compounds, and fluorene-based compounds.
- the photopolymerization initiator may be used together with a photosensitizer that absorbs light, becomes excited, and then transmits the energy to cause a chemical reaction.
- photosensitizer examples include tetraethylene glycol bis-3-mercapto propionate, pentaerythritol tetrakis-3-mercapto propionate, dipentaerythritol tetrakis-3-mercapto propionate, etc. can be mentioned.
- the photopolymerization initiator may be included in an amount of 0.1% to 5% by weight, specifically 0.5% to 3% by weight, for example, 0.1% to 2% by weight, based on the total amount of the photosensitive resin composition.
- the photopolymerization initiator is included within the above range, curing occurs sufficiently during exposure during the pattern formation process to obtain excellent reliability, the heat resistance, light resistance, and chemical resistance of the pattern are excellent, resolution and adhesion are also excellent, and there is no damage from unreacted initiators. Deterioration of transmittance can be prevented.
- the solvent may be a material that is compatible with, but does not react with, the colorant, the binder resin, the photopolymerizable compound, and the photopolymerization initiator.
- the solvent examples include alcohols such as methanol and ethanol; ethers such as dichloroethyl ether, n-butyl ether, diisoamyl ether, methylphenyl ether, and tetrahydrofuran; Glycol ethers such as ethylene glycol monomethyl ether and ethylene glycol monoethyl ether; Cellosolve acetates such as methyl cellosolve acetate, ethyl cellosolve acetate, and diethyl cellosolve acetate; Carbitols such as methyl ethyl carbitol, diethyl carbitol, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol dimethyl ether, diethylene glycol methyl ethyl ether, and diethylene glycol diethyl ether; propylene glycol alkyl ether acetates such as propylene glycol monomethyl ether acetate and
- N-methylpyrrolidone dimethyl sulfoxide, benzyl ethyl ether, dihexyl ether, acetylacetone, isophorone, caproic acid, caprylic acid, 1-octanol, 1-nonanol, benzyl alcohol, benzyl acetate, benzoic acid.
- High boiling point solvents such as ethyl, diethyl oxalate, diethyl maleate, ⁇ -butyrolactone, ethylene carbonate, propylene carbonate, and phenyl cellosolve acetate can be mentioned.
- ketones such as cyclohexanone are preferred; Glycol ethers such as ethylene glycol monoethyl ether; Ethylene glycol alkyl ether acetates such as ethyl cellosolve acetate; esters such as ethyl 2-hydroxypropionate; Carbitols such as diethylene glycol monomethyl ether; Propylene glycol alkyl ether acetates such as propylene glycol monomethyl ether acetate and propylene glycol propyl ether acetate may be used.
- Glycol ethers such as ethylene glycol monoethyl ether
- Ethylene glycol alkyl ether acetates such as ethyl cellosolve acetate
- esters such as ethyl 2-hydroxypropionate
- Carbitols such as diethylene glycol monomethyl ether
- Propylene glycol alkyl ether acetates such as propylene glycol monomethyl ether
- the solvent may be included in the remaining amount, specifically 30 wt% to 95 wt%, more specifically 40 wt% to 95 wt%, for example, 50 wt% to 90 wt%, based on the total amount of the photosensitive resin composition.
- the solvent is included in the other components themselves, such as a colorant or binder resin, the solvent contained in the other components themselves is not considered.
- a solvent when a solvent is included in other components such as a colorant and binder resin, it means the amount of solvent added separately.
- the photosensitive resin composition has excellent applicability and a coating film with excellent flatness can be obtained.
- the photosensitive resin composition contains malonic acid to prevent stains or spots upon application, to improve leveling performance, and to prevent the creation of residues due to non-development; 3-amino-1,2-propanediol; A coupling agent containing a vinyl group or (meth)acryloxy group; leveling agent; and at least one additive selected from surfactants.
- the additives can be easily adjusted according to desired physical properties.
- the coupling agent may be a silane-based coupling agent, and examples of the silane-based coupling agent include trimethoxysilyl benzoic acid, ⁇ methacryl oxypropyl trimethoxysilane, vinyl triacetoxysilane, vinyl trimethoxysilane, ⁇ Examples include isocyanate propyl triethoxysilane, ⁇ glycidoxy propyl trimethoxysilane, and ⁇ epoxycyclohexyl)ethyltrimethoxysilane, and these can be used alone or in a mixture of two or more types.
- the silane-based coupling agent may be specifically used in an amount of 0.01 to 1 part by weight based on 100 parts by weight of the photosensitive resin composition.
- the photosensitive resin composition for a color filter may further include a surfactant, such as a fluorine-based surfactant, if necessary.
- a surfactant such as a fluorine-based surfactant
- fluorine-based surfactant examples include DIC's F-482, F-484, and F-478, but are not limited thereto.
- the surfactant is preferably contained in an amount of 0.01 wt% to 5 wt%, and more preferably in an amount of 0.01 wt% to 2 wt%, based on the total amount of the photosensitive resin composition. If it is outside the above range, it is undesirable because it may cause problems with foreign substances occurring after development.
- antioxidants and stabilizers may be added to the photosensitive resin composition within the range that does not impair the physical properties.
- the photosensitive resin composition can be applied to a photosensitive resin composition for a color filter of a CMOS image sensor or display device.
- a photosensitive resin film manufactured using the photosensitive resin composition is provided.
- a red or blue color filter manufactured using the photosensitive resin film is provided.
- the manufacturing method of the color filter is as follows.
- CMOS image sensor including the color filter is provided.
- the display device may be, for example, a liquid crystal display (LCD).
- LCD liquid crystal display
- a photosensitive resin composition was prepared by mixing the compositions shown in Tables 1 to 3.
- the photopolymerization initiator was dissolved in a solvent and stirred at room temperature for 30 minutes, then the photopolymerizable compound and binder resin were added thereto and stirred at room temperature for 60 minutes. Then, the pigment dispersion as a colorant was added to the obtained reaction product and stirred at room temperature for 30 minutes. Then, the product was filtered twice to remove impurities, thereby preparing a photosensitive resin composition.
- (B-1) A resin composition containing an acrylic binder resin (molecular weight 6,000 g/mol, acid value 35 KOHmg/g, double bond equivalent weight 350 g/mol, manufacturer: Showa Denko) and propylene glycol methyl ether acetate (PGMEA)
- the photosensitive resin compositions according to Examples 1 to 12 and Comparative Examples 1 to 6 were coated on an 8-inch silicon wafer to a thickness of 0.6 ⁇ m using a spin coater (Mikasa, Opticoat MS-A150), and then hot-plated. ) was used to perform soft-baking at 100°C for 3 minutes, and the time was appropriately adjusted to implement a pattern with a bias of 0.1um under 500mW conditions using an i-line stepper (Nikon, NSR-2005i10C). The exposure was adjusted and exposed.
- a spin coater Moikasa, Opticoat MS-A150
- the exposed substrate was developed in a 0.2% TMAH aqueous solution at room temperature using a puddle method for 120 seconds, and then hard-baked in a convection oven at 200°C for 5 minutes to form a 4500 ⁇ thick layer on the glass substrate.
- a color filter specimen with a photosensitive resin film formed was obtained.
- the resolution recorded the minimum size of the Bayer pattern that can be implemented.
- Example 1 Example 2
- Example 3 Example 4 Comparative Example 2 Resolution ( ⁇ m) 0.8 0.6 0.4 0.8 1.0 1.2 residue 2.5 One 0.6 0.4 One 4
- Table 4 shows the effect of changing the type of photopolymerizable compound.
- Examples 1 to 4 and Comparative Example 1 which used a modified bisphenol A (meth)acrylate-based compound as a photopolymerizable compound, had a higher resolution compared to Comparative Example 2, which used dipentaerythritol hexaacrylate (DPHA). As improved, residues were suppressed.
- DPHA dipentaerythritol hexaacrylate
- Table 5 shows the effect of changing the content of the modified bisphenol A (meth)acrylate compound in all photopolymerizable compounds.
- a modified bisphenol A (meth)acrylate-based compound having a total number of alkylene glycol repeating units (i.e., m+n in Formula 1) of 10 is commonly used, and is used as a total photopolymerizable compound.
- Comparative Example 4 in which the content of the modified bisphenol A (meth)acrylate-based compound in all photopolymerizable compounds exceeded 60% by weight, hydrophilicity was excessively increased, and resolution was rather impaired.
- Comparative Example 3 in which the content of the modified bisphenol A (meth)acrylate-based compound in the total photopolymerizable compounds was less than 20% by weight, the degree of improvement in hydrophilicity and developability was minimal.
- Table 6 shows the effect of changing the type of colorant.
- Examples 1 to 8 and Comparative Examples 1 to 4 a pigment dispersion liquid that produces blue color by mixing a blue pigment and a purple pigment was used as a colorant, and the type and amount of the photopolymerizable compound were changed.
- Examples 9 to 12 and Comparative Examples 5 and 6 a pigment dispersion liquid that produces red color by mixing a red pigment and a yellow pigment was commonly used as a colorant, and the type of photopolymerizable compound was changed.
- the total number of alkylene glycol repeating units as a photopolymerizable compound (i.e., m+n in Formula 1) is 4 to 30. It is inferred that it is necessary to control the content of the modified bisphenol A (meth)acrylate-based compound in the total photopolymerizable compound to 20% by weight to 60% by weight.
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Abstract
Description
| 성분 | 재료명 | 고형분 | 비교예 1 | 실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | 비교예 2 |
| (A) 착색제 | A-1 | 20 | 28 | 28 | 28 | 28 | 28 | 28 |
| A-2 | 20 | 7 | 7 | 7 | 7 | 7 | 7 | |
| A-3 | 20 | - | - | - | - | - | - | |
| A-4 | 20 | - | - | - | - | - | - | |
| (B) 바인더 수지 |
B-1 | 35 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| (C) 광중합성 화합물 |
C-1 | 100 | 1.2 | - | - | - | - | - |
| C-2 | 100 | - | 1.2 | - | - | - | - | |
| C-3 | 100 | - | - | 1.2 | - | - | - | |
| C-4 | 100 | - | - | - | 1.2 | - | - | |
| C-5 | 100 | - | - | - | - | 1.2 | - | |
| C-6 | 100 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 2.4 | |
| (D) 광중합 개시제 |
D-1 | 100 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 |
| (E) 용매 | E-1 | - | 57.4 | 57.4 | 57.4 | 57.4 | 57.4 | 57.4 |
| 성분 | 재료명 | 고형분 | 비교예 3 | 실시예 5 | 실시예 6 | 실시예 7 | 실시예 2 | 실시예 8 | 비교예 4 |
| (A) 착색제 | A-1 | 20 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| A-2 | 20 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | |
| A-3 | 20 | - | - | - | - | - | - | - | |
| A-4 | 20 | - | - | - | - | - | - | - | |
| (B) 바인더 수지 |
B-1 | 35 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| (C) 광중합성 화합물 |
C-1 | 100 | - | - | - | - | - | - | - |
| C-2 | 100 | - | - | - | - | - | - | - | |
| C-3 | 100 | 0.3 | 0.48 | 0.7 | 1.0 | 1.2 | 1.44 | 1.6 | |
| C-4 | 100 | - | - | - | - | - | - | - | |
| C-5 | 100 | - | - | - | - | - | - | - | |
| C-6 | 100 | 2.1 | 1.92 | 1.7 | 1.4 | 1.2 | 0.96 | 0.8 | |
| (D) 광중합 개시제 |
D-1 | 100 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 |
| (E) 용매 | E-1 | - | 57.4 | 57.4 | 57.4 | 57.4 | 57.4 | 57.4 | 57.4 |
| 성분 | 재료명 | 고형분 | 비교예 5 | 실시예 9 | 실시예 10 | 실시예 11 | 실시예 12 | 비교예 6 |
| (A) 착색제 | A-1 | 20 | - | - | - | - | - | - |
| A-2 | 20 | - | - | - | - | - | - | |
| A-3 | 20 | 36 | 36 | 36 | 36 | 36 | 36 | |
| A-4 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | |
| (B) 바인더 수지 |
B-1 | 35 | 4 | 4 | 4 | 4 | 4 | 4 |
| (C) 광중합성 화합물 |
C-1 | 100 | 0.5 | - | - | - | - | - |
| C-2 | 100 | - | 0.5 | - | - | - | - | |
| C-3 | 100 | - | - | 0.5 | - | - | - | |
| C-4 | 100 | - | - | - | 0.5 | - | - | |
| C-5 | 100 | - | - | - | - | 0.5 | - | |
| C-6 | 100 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 1.0 | |
| (D) 광중합 개시제 |
D-1 | 100 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| (E) 용매 | E-1 | - | 38.8 | 38.8 | 38.8 | 38.8 | 38.8 | 38.8 |
| 비교예 1 | 실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | 비교예 2 | |
| 해상도(㎛) | 0.8 | 0.6 | 0.4 | 0.8 | 1.0 | 1.2 |
| 잔사 | 2.5 | 1 | 0.6 | 0.4 | 1 | 4 |
| 비교예 3 | 실시예 5 | 실시예 6 | 실시예 7 | 실시예 2 | 실시예 8 | 비교예 4 | |
| 해상도(㎛) | 1.0 | 0.8 | 0.6 | 0.5 | 0.4 | 0.8 | 1.4 |
| 잔사 | 2.5 | 1 | 0.9 | 0.8 | 0.6 | 0.6 | 1 |
| 비교예 5 | 실시예 9 | 실시예 10 | 실시예 11 | 실시예 12 | 비교예 6 | |
| 해상도(㎛) | 0.9 | 0.7 | 0.5 | 0.9 | 1.4 | 1.4 |
| 잔사 | 1.3 | 0.6 | 0.3 | 0.2 | 0.5 | 2 |
Claims (20)
- (A) 착색제;(B) 바인더 수지;(C) 광중합성 화합물;(D) 광중합 개시제; 및(E) 용매를 포함하고,상기 광중합성 화합물은 알킬렌 글리콜 반복 단위를 포함하는 변성 비스페놀 A 아크릴레이트계 화합물을 1종 이상 포함하고,상기 변성 비스페놀 A (메타)아크릴레이트계 화합물은 알킬렌 글리콜 변성 비스페놀 A (메타)아크릴레이트, 알킬렌 글리콜 변성 비스페놀 A 디(메타)아크릴레이트, 또는 이들의 조합이고,상기 변성 비스페놀 A (메타)아크릴레이트계 화합물 내 전체 알킬렌 글리콜 반복 단위의 수는 4 내지 30의 정수이고,상기 변성 비스페놀 A (메타)아크릴레이트계 화합물은 전체 광중합성 화합물 중의 20 중량% 내지 60 중량%로 포함되는 감광성 수지 조성물.
- 제1항에 있어서,상기 변성 비스페놀 A (메타)아크릴레이트계 화합물은 알킬렌 글리콜 변성 비스페놀 A 디(메타)아크릴레이트인 감광성 수지 조성물.
- 제3항에 있어서,상기 R1 및 R2는 모두 수소 원자인 감광성 수지 조성물.
- 제3항에 있어서,상기 L1 및 L2는 모두 C2 알킬렌인 감광성 수지 조성물.
- 제3항에 있어서,상기 m+n은 10 내지 20의 정수인 감광성 수지 조성물.
- 제1항에 있어서,상기 광중합성 화합물은 디펜타에리트리톨 헥사아크릴레이트(dipentaerythritol hexaacrylate, DPHA), 펜타에리트리톨 테트라아크릴레이트(pentaerythritol tetraacrylate), 펜타에리트레톨 트리아크릴레이트(pentaerythritol triacrylate), 또는 이들의 조합을 더 포함하는 감광성 수지 조성물.
- 제1항에 있어서,상기 변성 비스페놀 A (메타)아크릴레이트계 화합물은 전체 광중합성 화합물 중의 20 중량% 내지 50 중량%로 포함되는 감광성 수지 조성물.
- 제1항에 있어서,상기 광중합성 화합물은 상기 감광성 수지 조성물 중의 0.1 중량% 내지 5 중량%로 포함되는 감광성 수지 조성물.
- 제1항에 있어서,상기 착색제는 청색 안료, 자색 안료, 적색 안료, 황색 안료, 또는 이들의 조합을 포함하는 감광성 수지 조성물.
- 제10항에 있어서,상기 착색제는 청색 안료 및 자색 안료의 혼합물을 포함하거나, 적색 안료 및 황색 안료의 혼합물을 포함하는 감광성 수지 조성물.
- 제11항에 있어서,상기 착색제는 청색 안료 및 자색 안료가 95:5 내지 60:40의 중량비로 포함된 혼합물이거나, 적색 안료 및 황색 안료가 90:10 내지 40:60의 중량비로 포함된 혼합물인 감광성 수지 조성물.
- 제12항에 있어서,상기 감광성 수지 조성물 내 고형분 중, 상기 착색제는 30 중량% 내지 70 중량%로 포함되는 감광성 수지 조성물.
- 제1항에 있어서,상기 바인더 수지는 아크릴계 바인더 수지를 포함하는 감광성 수지 조성물.
- 제1항에 있어서,상기 감광성 수지 조성물은, 상기 감광성 수지 조성물 총량에 대해,상기 (A) 착색제 10 중량% 내지 70 중량%;상기 (B) 바인더 수지 0.1 중량% 내지 20 중량%;상기 (C) 광중합성 화합물 0.1 중량% 내지 5 중량%;상기 (D) 광중합 개시제 0.1 중량% 내지 5 중량%; 및상기 (E) 용매 잔부량을 포함하는 감광성 수지 조성물.
- 제1항에 있어서,상기 감광성 수지 조성물은 말론산; 3-아미노-1,2-프로판디올; 비닐기 또는 (메타)아크릴옥시기를 포함하는 커플링제; 레벨링제; 및 불소계 계면활성제로부터 선택되는 적어도 하나의 첨가제를 더 포함하는 감광성 수지 조성물.
- 제1항 내지 제16항 중 어느 한 항의 감광성 수지 조성물을 이용하여 제조된 감광성 수지막.
- 제17항의 감광성 수지막을 포함하는 컬러 필터.
- 제18항의 컬러 필터를 포함하는 CMOS 이미지 센서.
- 제18항의 컬러 필터를 포함하는 디스플레이 장치.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18/855,365 US20250334878A1 (en) | 2022-04-13 | 2022-08-19 | Photosensitive resin composition, photosensitive resin layer prepared using same, and color filter |
| CN202280094878.9A CN119013623A (zh) | 2022-04-13 | 2022-08-19 | 感光性树脂组合物、使用其制备的感光性树脂层及滤色器 |
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| KR10-2022-0045954 | 2022-04-13 | ||
| KR1020220045954A KR102795113B1 (ko) | 2022-04-13 | 2022-04-13 | 감광성 수지 조성물, 이를 이용하여 제조된 감광성 수지막 및 컬러 필터 |
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| Country | Link |
|---|---|
| US (1) | US20250334878A1 (ko) |
| KR (1) | KR102795113B1 (ko) |
| CN (1) | CN119013623A (ko) |
| WO (1) | WO2023200045A1 (ko) |
Citations (5)
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|---|---|---|---|---|
| JP2009186783A (ja) * | 2008-02-06 | 2009-08-20 | Fujifilm Corp | 感光性着色樹脂組成物およびそれを用いたカラーフィルター製造方法 |
| JP2009204641A (ja) * | 2008-02-26 | 2009-09-10 | Toray Ind Inc | カラーフィルター用感光性着色組成物、およびカラーフィルター |
| KR20100033928A (ko) * | 2008-09-22 | 2010-03-31 | 후지필름 가부시키가이샤 | 착색 감광성 조성물, 컬러필터, 및 액정 표시 장치 |
| JP2011099974A (ja) * | 2009-11-05 | 2011-05-19 | Fujifilm Corp | 着色感光性組成物、カラーフィルタ、及び液晶表示装置 |
| KR20190078313A (ko) * | 2017-12-26 | 2019-07-04 | 삼성에스디아이 주식회사 | 감광성 수지 조성물, 이를 이용하여 제조된 감광성 수지막, 컬러필터 및 디스플레이 소자 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6404571B2 (ja) * | 2014-02-04 | 2018-10-10 | 旭化成株式会社 | 感光性樹脂組成物、感光性樹脂積層体及びレジストパターン形成方法 |
| JP7043977B2 (ja) * | 2018-05-31 | 2022-03-30 | 東洋インキScホールディングス株式会社 | カラーフィルタ用赤色着色組成物、及びカラーフィルタ |
-
2022
- 2022-04-13 KR KR1020220045954A patent/KR102795113B1/ko active Active
- 2022-08-19 US US18/855,365 patent/US20250334878A1/en active Pending
- 2022-08-19 CN CN202280094878.9A patent/CN119013623A/zh active Pending
- 2022-08-19 WO PCT/KR2022/012439 patent/WO2023200045A1/ko not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009186783A (ja) * | 2008-02-06 | 2009-08-20 | Fujifilm Corp | 感光性着色樹脂組成物およびそれを用いたカラーフィルター製造方法 |
| JP2009204641A (ja) * | 2008-02-26 | 2009-09-10 | Toray Ind Inc | カラーフィルター用感光性着色組成物、およびカラーフィルター |
| KR20100033928A (ko) * | 2008-09-22 | 2010-03-31 | 후지필름 가부시키가이샤 | 착색 감광성 조성물, 컬러필터, 및 액정 표시 장치 |
| JP2011099974A (ja) * | 2009-11-05 | 2011-05-19 | Fujifilm Corp | 着色感光性組成物、カラーフィルタ、及び液晶表示装置 |
| KR20190078313A (ko) * | 2017-12-26 | 2019-07-04 | 삼성에스디아이 주식회사 | 감광성 수지 조성물, 이를 이용하여 제조된 감광성 수지막, 컬러필터 및 디스플레이 소자 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20230146930A (ko) | 2023-10-20 |
| CN119013623A (zh) | 2024-11-22 |
| US20250334878A1 (en) | 2025-10-30 |
| KR102795113B1 (ko) | 2025-04-10 |
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