WO2015199485A1 - 감광성 수지 조성물 및 이를 이용한 컬러필터 - Google Patents
감광성 수지 조성물 및 이를 이용한 컬러필터 Download PDFInfo
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- WO2015199485A1 WO2015199485A1 PCT/KR2015/006549 KR2015006549W WO2015199485A1 WO 2015199485 A1 WO2015199485 A1 WO 2015199485A1 KR 2015006549 W KR2015006549 W KR 2015006549W WO 2015199485 A1 WO2015199485 A1 WO 2015199485A1
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- photosensitive resin
- resin composition
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- color filter
- green
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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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
- G02B5/223—Absorbing filters containing organic substances, e.g. dyes, inks or pigments
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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
- G03F7/004—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
- G03F7/028—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with photosensitivity-increasing substances, e.g. photoinitiators
- G03F7/031—Organic compounds not covered by group G03F7/029
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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
- G03F7/09—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
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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
- G03F7/16—Coating processes; Apparatus therefor
- G03F7/162—Coating on a rotating support, e.g. using a whirler or a spinner
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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
- G03F7/16—Coating processes; Apparatus therefor
- G03F7/168—Finishing the coated layer, e.g. drying, baking, soaking
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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
- G03F7/20—Exposure; Apparatus 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
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/30—Imagewise removal using liquid means
- G03F7/32—Liquid compositions therefor, e.g. developers
- G03F7/322—Aqueous alkaline compositions
Definitions
- the present application relates to a photosensitive resin composition and a color filter using the same.
- the color filter is used to implement a color image in a display device, and may be manufactured through a process of coating, curing, and patterning a pigment on a base substrate by various methods.
- the color filter described above may be formed by an electrodeposition method, a printing method, a pigment dispersion method (photolithography method using a photo-polymer dispersed in a pigment), and a dyeing method (dyeing method of a photo-polymer pattern).
- the electrodeposition method has a critical problem in the uniform arrangement of the pixels and the enlargement of the substrate due to the nonuniformity of the shape around the electrode, and the printing method is difficult to align the precise position with respect to the liquid crystal cell, the inaccuracy of pattern formation, the thinning and resolution of the film, and the enlargement of the substrate. It is unsuitable and rarely used.
- the dyeing method has advantages of precision of pattern formation, high light transmittance, high color purity, etc., but suffers from poor heat resistance, light resistance, and chemical resistance due to fading or evaporation of the dye.
- the pigment dispersion method does not have the above-mentioned problems, the pigment dispersion method appears to be the most suitable among the existing methods, and recently, the pigment dispersion method is mostly used as a color filter manufacturing method.
- the pigment dispersion method accurately corrects a color resist in which red, green, and blue pigments are dispersed in a photosensitive material within a margin of error for each pixel P by using a photo-lithography method.
- the method of forming a pattern is a photo-lithography method.
- the color resist may be uniformly coated on the substrate by a spin coating method, and the portions to be exposed and the portions not to be exposed are separated by using a photo-mask. Thereafter, the exposed portions are irradiated with light such as ultraviolet rays to solidify the exposed portions, and the unexposed portions are removed using a developer to obtain a color filter pattern.
- the red, green, and blue pigments are made of fine particles, that is, pigments (pigment), these pigments have a similar color than that used alone to obtain the color display characteristics of the desired area By mixing red, green and blue.
- the colorant composition provides a photosensitive resin composition comprising a green colorant, a yellow colorant represented by Formula 1 below, and a blue dispersion aid.
- R1 to R11 are the same as or different from each other, and each independently hydrogen, deuterium, a halogen group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group , And a substituted or unsubstituted heteroring group.
- the present application provides a color filter formed using the photosensitive resin composition.
- the photosensitive resin composition provided in the present application can implement a deeper color than the conventional, it is possible to increase the color reproducibility in the various thickness range of the color filter, there is a feature that can increase the contrast ratio.
- the present application by including a green color material, a yellow color material and a blue dispersing aid together in the color material composition, it is possible to improve the coloring power of the green color material, thereby realizing a deep color.
- the coloring power of the green color material can be improved, not only the color material content can be reduced, but also a process margin can be secured.
- FIG. 1 is a diagram illustrating color coordinates Gy and Gy of a color filter pattern according to Embodiment 1 of the present application.
- FIG. 2 is a diagram illustrating a relationship between color coordinates Gy and luminances GY of the color filter pattern according to the first embodiment of the present application.
- the colorant means a pigment, a dye, or the like.
- the color filter pattern is uniformly applied to the substrate by spin coating a color resist in which color materials displaying red, green, and blue are dispersed in a photosensitive material,
- a photo-mask and irradiating light such as ultraviolet light to solidify the exposed portion, the unexposed portion may be manufactured by using a developer.
- the red, green, and blue color material may be made of fine particles, that is, pigment (pigment), the color material exhibits a color similar to that used alone to obtain the color display characteristics of the desired area By mixing color materials, red, green, and blue colors are displayed.
- the color material used to form the green color filter pattern was generally used by mixing Pigment Green 7, Green 36 or Green 58 with Yellow 138 or Yellow 150.
- the method of using a mixture of Green 7, Green 36 or Green 58 and Yellow 138 or Yellow 150 to form a green color filter pattern may have a problem in that the thickness of the color filter pattern becomes thick, and in the art In the range of about 2.0 ⁇ 2.5 ⁇ m thickness of the color filter pattern is required, there is a limit in implementing deep color.
- the present inventors can implement deeper colors than the prior art, thereby increasing color reproduction in various thickness ranges of the color filter and researching a photosensitive resin composition and a color filter using the same, which can increase the contrast ratio. .
- the photosensitive resin composition includes a first binder resin, an acrylate compound, a photopolymerization initiator, a first solvent, and a color material composition, and the color material composition is a green color material, yellow represented by Chemical Formula 1 It is characterized by including a colorant, and a blue dispersing aid.
- the dispersing aid is used in combination with a dispersant and an acrylic binder for evenly dispersing the colorant, and basic, acidic and neutral aids, specifically phthalocyanine, quinacridone, and anthraquinone.
- Dioxane and quinophthalone may be used, but their use may be limited depending on the color and characteristics of the colorant.
- phthalocyanine-based dispersants for red and blue colorants traquinone-based dispersers for red and yellow colorants
- dioxane-based dispersants for red and blue colorants and phthalocyanine-based dispersants for blue and green colorants Is used a lot.
- the yellow dispersing aid was applied in the colorant composition comprising a conventional green and yellow colorant
- the colorant composition according to one embodiment of the present application includes a blue dispersant aid, it is characterized in that the coloring power of the colorant composition can be further increased have.
- the blue dispersing aid may use a copper phthalocyanine-based compound.
- a blue dispersing aid in the color material composition, it is possible to effectively absorb the long wavelength region in the green spectrum, thereby reducing the content of the green color material has a feature.
- a green dispersing aid in consideration of the luminance of the color filter pattern, was used as a dispersing aid using the copper phthalocyanine compound, but in the present application, a green dispersing aid is used as a dispersing aid using a copper phthalocyanine compound. It is possible to improve the coloring power of the color material, and thus there is a feature that can implement a deep color.
- the copper phthalocyanine-based blue dispersion aid shows a structure that does not contain a halogen group, such as a Blue 15: 6 pigment
- the copper phthalocyanine-based green dispersion aid shows a structure that contains a halogen group, such as G7.
- the dispersing aids give an ionic group in the same structure as the main pigment to transform it into a structure that is advantageous for dispersion.
- a similar effect can be obtained to the coloring power by adding a blue colorant to the green colorant rather than a blue dispersion aid, but the characteristics of the dispersion aid proceed to the direction of lowering the brightness while transforming to a structure that is advantageous for dispersion, thereby minimizing the amount.
- the color material composition may further include at least one of a second binder resin, a dispersant, a second solvent, and the like.
- the total content of the green colorant, the yellow colorant represented by Chemical Formula 1, and the blue dispersing aid may be 12 to 15 wt% based on the total weight of the colorant composition, but is not limited thereto.
- the content of the blue dispersion aid may be 5 to 20% by weight, but is not limited thereto.
- the second binder resin may be an acrylic binder resin, but is not limited thereto.
- the acrylic binder resin is a structure having a main chain (backbone) of the acrylic structure, an acrylic binder containing one single monomer or two or more monomers such as acrylate, methacrylate, methacrylic acid and acrylic acid can be used. have.
- Such an acrylic binder may be used in the range of 0.1 to 50% by weight, preferably 1 to 40% by weight, and more preferably 1 to 5% by weight in the colorant composition. It is preferable to maintain the above range because the expression of the effect is not sufficient and the amount of use exceeding the above range may cause problems during thermosetting.
- the dispersant is used to evenly disperse the components constituting the colorant composition together with the acrylic binder, has solubility in organic solvents commonly used in the art, and has compatibility with acrylic binders and colorants used together. Can be used.
- dispersants such as polyacrylic, polyester and polyurethane may be used, and commercially available disperbyk-110, 111, 180, 161, 163, 165, 166, 167, 2000, 2001, 2163, LPN -21116, LPN-6919, LPN-21538, LPN-21208, (BYK-chemie), PB-821, 822, 880 (AJINOMOTO FINE TECHNO), solsperse 24000 (Lubricol) and the like can be used alone or in combination.
- a polyacrylic or polyester dispersant having an acid value of 40 mg KOH / g or less and an amine value of 60 to 130 mg KOH / g is used alone or in combination when the solid content is 100% by weight.
- a dispersant may be used in the range of 0.1 to 40% by weight, preferably 1 to 5% by weight of the colorant composition, in which case the amount is less than the above range, the dispersion is not sufficient, if the amount exceeds the above range in the solvent Since the compatibility of a dispersing agent falls and it is difficult to control dispersion stability, it is good to adjust to the said range and use.
- the second solvent may be used as long as the components constituting the colorant composition of the present application can be dissolved, and specifically, propylene glycol methyl ether acetate (PGMEA), propylene glycol methyl ether (PGME, propylene glycol methyl ether), ethyl-3-ethoxy propionate (EEP), cyclohexanone (Cychohexanone), methyl ethyl ketone (MEK), methyl isobutyl ketone (MIBK) , Methyl iso butyl ketone, and methoxy butyl acetate can be used.
- PGMEA propylene glycol methyl ether acetate
- PGME propylene glycol methyl ether
- EEP ethyl-3-ethoxy propionate
- EEP cyclohexanone
- MEK methyl ethyl ketone
- MIBK methyl isobutyl ketone
- Such an organic solvent is used in 10 to 90% by weight, preferably 75 to 80% by weight of the color material composition of the present application, the lower the production yield occurs if the amount is less than or above the range.
- the alkyl group may be linear or branched, the carbon number of the alkyl group is not particularly limited, but may be 1 to 30. Specific examples thereof include methyl group, ethyl group, propyl group, isopropyl group, butyl group, t-butyl group and the like, but are not limited thereto.
- the alkoxy group may be linear or branched, the carbon number of the alkoxy group is not particularly limited, but may be 1 to 30.
- the aryl group may be monocyclic or polycyclic, and the carbon number is not particularly limited, but may be 6 to 60.
- Examples of the monocyclic aryl group include a phenyl group, a biphenyl group, a terphenyl group, a stilbene group and the like, and examples of the polycyclic aryl group include a naphthyl group, anthracenyl group, phenanthrenyl group, pyrenyl group, perylenyl group, and tetrasenyl group. , Chrysenyl group, fluorenyl group, acenaphthasenyl group, triphenylene group, fluoranthrene group and the like, but the scope of the present invention is not limited only to these examples.
- the heterocyclic group is a heterocyclic group containing O, N or S as a hetero atom, and the carbon number is not particularly limited, but may be 2 to 60 carbon atoms.
- Examples of the heterocyclic group are thiophene group, furan group, pyrrole group, imidazole group, thiazole group, oxazole group, oxadiazole group, triazole group, pyridyl group, bipyridyl group, triazine group, acridil group, pyridazine group , Quinolinyl group, isoquinoline group, indole group, carbazole group, benzoxazole group, benzimidazole group, benzthiazole group, benzcarbazole group, benzthiophene group, dibenzothiophene group, benzfuranyl group, dibenzofura Although there exist a nil group etc., it is not limited to these.
- the cycloalkyl group is not particularly limited, but may be 3 to 60 carbon atoms. Specific examples include a cyclopentyl group, a cyclohexyl group, and the like, but the present invention is not limited to these examples.
- halogen group examples include fluorine, chlorine, bromine or iodine.
- the photosensitive resin composition includes a first binder resin, an acrylate compound, a photopolymerization initiator, a first solvent, and the colorant composition.
- the first binder resin may be an alkali-soluble resin known in the art.
- the alkali-soluble resin may be an acrylic resin containing a carboxyl group, but is not limited thereto.
- the content of the first binder resin may be 20 to 80% by weight based on the total weight of solids of the photosensitive resin composition.
- developability may be lowered.
- the content of the first binder resin is greater than 80% by weight, the surface of the color filter pattern may be damaged to increase roughness.
- the green colorant may use those known in the art. Specific examples include phthalocyanine green (C.I. 74260), C.I. PIGMENT Green 7 and the like, but is not limited thereto.
- the yellow color material may be represented by the formula (1).
- Specific examples of the yellow color material is C.I. PIGMENT Yellow 129, but is not limited thereto.
- the total content of the green color material and yellow color material may be 20 to 60% by weight based on the total weight of the solid content of the photosensitive resin composition.
- the weight ratio of the green color material to the yellow color material may range from 1: 9 to 9: 1, and may range from 2: 8 to 8 :: 1, but is not limited thereto.
- Gx of the color coordinates (Gx, Gy) of the color filter pattern manufactured using the photosensitive resin composition may be in the range of 0.2 to 0.21, Gy may be in the range of 0.68 to 0.7. In addition, the Gx of the color coordinates (Gx, Gy) of the color filter pattern manufactured using the photosensitive resin composition may be in the range of 0.19 to 0.21.
- the thickness of the color filter pattern manufactured using the photosensitive resin composition may be 2.0 to 2.5 ⁇ m.
- examples of the acrylate compound include ethylene glycol di (meth) acrylate, polyethylene glycol di (meth) acrylate having 2 to 14 ethylene groups, trimethylolpropane di (meth) acrylate, and trimethyl Olpropane tri (meth) acrylate, pentaerythritol tri (meth) acrylate, pentaerythritol tetra (meth) acrylate, 2-trisacryloyloxymethylethylphthalic acid, propylene glycol di (2) A mixture of an acidic modification of meta) acrylate, dipentaerythritol penta (meth) acrylate, dipentaerythritol hexa (meth) acrylate, dipentaerythritol penta (meth) acrylate and dipentaerythritol hexa (meth) acrylate Polyhydric alcohols, such as (TO-2348, TO-2349 of
- silica dispersions may be used for these compounds, such as Nanocryl XP series (0596, 1045, 21/1364) and Nanopox XP series (0516, 0525) manufactured by Hanse Chemie.
- the content of the acrylate compound may be 15 to 75% by weight based on the total weight of the solid content of the photosensitive resin composition, but is not limited thereto.
- the content of the photopolymerization initiator may be 0.1 to 5% by weight based on the total solids weight of the photosensitive resin composition, but is not limited thereto.
- the solvent is methyl ethyl ketone, methyl cellosolve, ethyl cellosolve, ethylene glycol dimethyl ether, ethylene glycol diethyl ether, propylene glycol dimethyl ether, propylene glycol diethyl ether, diethylene glycol dimethyl ether, di Ethylene glycol diethyl ether, diethylene glycol methyl ethyl ether, 2-ethoxy propanol, 2-methoxy propanol, 3-methoxy butanol, cyclohexanone, cyclopentanone, propylene glycol methyl ether acetate, propylene glycol ethyl ether acetate , 3-methoxybutyl acetate, ethyl 3-ethoxypropionate, ethyl cellosolve acetate, methyl cellosolve acetate, butyl acetate, and dipropylene glycol monomethyl ether,
- the photosensitive resin composition according to one embodiment of the present application may further include at least one light shielding agent, a curing accelerator, a thermal polymerization inhibitor, a surfactant, a photosensitizer, a plasticizer, an adhesion promoter, a filler, and the like.
- curing accelerator examples include 2-mercaptobenzoimidazole, 2-mercaptobenzothiazole, 2-mercaptobenzoxazole, 2,5-dimercapto-1,3,4-thiadiazole, 2-mer Capto-4,6-dimethylaminopyridine, pentaerythritol tetrakis (3-mercaptopropionate), pentaerythritol tris (3-mercaptopropionate), pentaerythritol tetrakis (2-mercaptoacetate), penta Erythritol tris (2-mercaptoacetate), trimethylolpropane tris (2-mercaptoacetate), trimethylolpropane tris (3-mercaptopropionate), trimethylolethane tris (2-mercaptoacetate), and trimethyl It may include one or more selected from the group consisting of all ethane tris (3-mercaptopropionate), but is not limited to these may include those generally known in
- thermal polymerization inhibitor examples include p-anisole, hydroquinone, pyrocatechol, t-butyl catechol, N-nitrosophenylhydroxyamine ammonium salt and N-nitrosophenylhydroxy It may include one or more selected from the group consisting of amine aluminum salts and phenothiazines, but is not limited thereto and may include those generally known in the art.
- Surfactants, photosensitizers, plasticizers, adhesion promoters, fillers, and the like, among the materials used as additives, may also be used for all compounds that may be included in conventional photosensitive resin compositions.
- the photosensitive resin composition according to one embodiment of the present application is used in a roll coater, curtain coater, spin coater, spin die coater, slot die coater, various printing, deposition, etc. It can be applied on a support such as a plastic substrate. Moreover, after apply
- a light source for curing the photosensitive resin composition of the present application for example, mercury vapor arc (arc), carbon arc, Xe arc, etc., which emit light having a wavelength of 250 to 450 nm, but is not limited thereto.
- the present application provides a color filter formed using the photosensitive resin composition.
- the photosensitive resin composition according to one embodiment of the present application is preferably used as a green color filter pattern in the thin film transistor liquid crystal display device.
- the green color filter pattern may have a thickness of about 2.0 ⁇ m to about 2.5 ⁇ m.
- Gx of the color coordinates Gx and Gy of the green color filter pattern may range from 0.2 to 0.21, and Gy may range from 0.68 to 0.7.
- the Gx of the color coordinates Gx and Gy of the green color filter pattern may range from 0.19 to 0.21.
- the Gy of the color coordinates (Gx, Gy) of the green color filter pattern can realize a deep color in the range of 0.68 to 0.7, and also has excellent contrast characteristics.
- the following photosensitive resin composition was prepared. 20 parts by weight of an alkali-soluble binder resin, 18 parts by weight of dipentaerythritol hexaacrylate as an acrylate compound, 5 parts by weight of OXE-022 from BASF Corporation as a photopolymerization initiator, 20 parts by weight of the colorant composition, and PGMEA as an organic solvent. The total solution was added to 100 parts by weight, and a solution mixed for 3 hours using a shaker was obtained by using a 5 ⁇ m filter.
- the solvent was volatilized by performing a prebaking process at 100 ° C. for 100 seconds. Thereafter, a photomask having a square light shielding pattern having a width of 500 ⁇ m was exposed under a high pressure mercury lamp. The exposed substrate was developed by spraying in a 0.043% KOH aqueous solution at a temperature of 25 ° C., then washed with pure water and dried by air blowing. Thereafter, the mixture was left in a convection oven at 230 ° C. for 20 minutes to form a color filter pattern.
- Example 1 C.I. The same procedure as in Example 1 was carried out except that PIGMENT Yellow 138 was used.
- Example 1 C.I. The same procedure as in Example 1 was carried out except that PIGMENT Yellow 139 was used.
- Example 1 C.I. The same procedure as in Example 1 was carried out except that PIGMENT Yellow 185 was used.
- Example 1 C.I. Except for using PIGMENT Green 58, it was carried out in the same manner as in Example 1.
- Example 1 C.I. Except for using PIGMENT Green 36, it was carried out in the same manner as in Example 1.
- Example 1 it was carried out in the same manner as in Example 1, except that a green dispersion aid (copper phthalocyanine compound) was used as the dispersion aid.
- a green dispersion aid copper phthalocyanine compound
- Color coordinates Gy and Gy of the color filter pattern according to Example 1 are shown in FIG. 1, and a relationship between color coordinates Gy and luminance GY of the color filter pattern according to Example 1 is illustrated in FIG. 2.
- the photosensitive resin composition provided in the present application can implement a deeper color than the conventional, it is possible to increase the color reproducibility in the various thickness range of the color filter, there is a feature that can increase the contrast ratio.
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Abstract
Description
Claims (15)
- 제1 바인더 수지, 아크릴레이트계 화합물, 광중합 개시제, 제1 용매 및 색재 조성물을 포함하는 감광성 수지 조성물이고,상기 색재 조성물은 그린 색재, 하기 화학식 1로 표시되는 옐로우 색재, 및 블루 분산조제를 포함하는 것을 특징으로 하는 감광성 수지 조성물:[화학식 1]상기 화학식 1에서,R1 내지 R11은 서로 동일하거나 상이하고, 각각 독립적으로 수소, 중수소, 할로겐기, 치환 또는 비치환된 알킬기, 치환 또는 비치환된 알콕시기, 치환 또는 비치환된 시클로알킬기, 치환 또는 비치환된 아릴기, 및 치환 또는 비치환된 헤테로고리기로 이루어진 군으로부터 선택된다.
- 청구항 1에 있어서, 상기 그린 색재는 프탈로시아닌 그린(C.I. 74260) 및 C.I. PIGMENT Green 7로 이루어진 군으로부터 선택되는 1종 이상을 포함하는 것을 특징으로 하는 감광성 수지 조성물.
- 청구항 1에 있어서, 상기 옐로우 색재는 C.I. PIGMENT Yellow 129를 포함하는 것을 특징으로 하는 감광성 수지 조성물.
- 청구항 1에 있어서, 상기 블루 분산조제는 구리 프탈로시아닌계 화합물을 포함하는 것을 특징으로 하는 감광성 수지 조성물.
- 청구항 1에 있어서, 상기 색재 조성물은 제2 바인더 수지, 분산제 및 제2 용매로 이루어진 군으로부터 선택되는 1종 이상을 추가로 포함하는 것을 특징으로 하는 감광성 수지 조성물.
- 청구항 5에 있어서, 상기 색재 조성물 총중량을 기준으로, 상기 그린 색재, 옐로우 색재 및 블루 분산조제의 총함량은 12 내지 15 중량%인 것을 특징으로 하는 감광성 수지 조성물.
- 청구항 6에 있어서, 상기 그린 색재, 옐로우 색재 및 블루 분산조제의 총함량을 기준으로, 상기 블루 분산조제의 함량은 5 내지 20 중량%인 것을 특징으로 하는 감광성 수지 조성물.
- 청구항 1에 있어서, 상기 그린 색재 대 옐로우 색재의 중량비는 1 : 9 내지 9 : 1의 범위인 것을 특징으로 하는 감광성 수지 조성물.
- 청구항 1에 있어서, 상기 감광성 수지 조성물을 이용하여 제조된 컬러필터 패턴의 색좌표(Gx, Gy)의 Gx는 0.2 내지 0.21의 범위이고, Gy는 0.68 내지 0.7의 범위인 것을 특징으로 하는 감광성 수지 조성물.
- 청구항 9에 있어서, 상기 컬러필터 패턴의 두께는 2.0 내지 2.5㎛ 인 것을 특징으로 하는 감광성 수지 조성물.
- 청구항 1에 있어서, 상기 감광성 수지 조성물은 경화 촉진제, 열중합 억제제, 계면 활성제, 광증감제, 가소제, 접착 촉진제 및 충전제로 이루어진 군으로부터 선택되는 1종 이상을 추가로 포함하는 것을 특징으로 하는 감광성 수지 조성물.
- 청구항 1 내지 11 중 어느 한 항의 감광성 수지 조성물을 이용하여 형성된 컬러필터.
- 청구항 12에 있어서, 상기 컬러필터는 그린 컬러필터 패턴을 포함하는 것을 특징으로 하는 컬러필터.
- 청구항 13에 있어서, 상기 그린 컬러필터 패턴의 색좌표(Gx, Gy)의 Gx는 0.2 내지 0.21의 범위이고, Gy는 0.68 내지 0.7의 범위인 것을 특징으로 하는 컬러필터.
- 청구항 14에 있어서, 상기 그린 컬러필터 패턴의 두께는 2.0 내지 2.5㎛ 인 것을 특징으로 하는 컬러필터.
Priority Applications (4)
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EP15811971.9A EP3162860A1 (en) | 2014-06-27 | 2015-06-26 | Photosensitive resin composition and color filter using same |
US15/321,494 US20170160635A1 (en) | 2014-06-27 | 2015-06-26 | Photosensitive resin composition and color filter using same |
CN201580034169.1A CN106459606A (zh) | 2014-06-27 | 2015-06-26 | 光敏树脂组合物和使用其的彩色滤光片 |
JP2016571401A JP2017520788A (ja) | 2014-06-27 | 2015-06-26 | 感光性樹脂組成物およびこれを用いたカラーフィルター{photosensitive resin composition and color filter using same} |
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KR10-2014-0079672 | 2014-06-27 | ||
KR20140079672 | 2014-06-27 |
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US (1) | US20170160635A1 (ko) |
EP (1) | EP3162860A1 (ko) |
JP (1) | JP2017520788A (ko) |
KR (1) | KR20160001694A (ko) |
CN (1) | CN106459606A (ko) |
TW (1) | TWI548938B (ko) |
WO (1) | WO2015199485A1 (ko) |
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WO2019022051A1 (ja) * | 2017-07-26 | 2019-01-31 | Dic株式会社 | カラーフィルタ用顔料組成物及びカラーフィルタ |
KR102131993B1 (ko) * | 2017-09-04 | 2020-07-08 | 주식회사 엘지화학 | 착색제 화합물 및 이를 포함하는 착색 조성물 |
KR102285400B1 (ko) * | 2018-11-26 | 2021-08-03 | 삼성에스디아이 주식회사 | 감광성 수지 조성물, 이를 이용한 감광성 수지막 및 컬러필터 |
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JP2009035671A (ja) * | 2007-08-03 | 2009-02-19 | Toray Ind Inc | 顔料分散液、着色剤組成物、およびカラーフィルター |
JP2012150457A (ja) * | 2010-12-27 | 2012-08-09 | Toray Ind Inc | カラーフィルター基板および液晶表示装置 |
US20130288177A1 (en) * | 2012-04-26 | 2013-10-31 | Sivapackia Ganapathiappan | Inks for liquid electrophotography |
JP2014041341A (ja) * | 2012-07-25 | 2014-03-06 | Toray Ind Inc | 着色剤組成物、カラーフィルター及び液晶表示装置 |
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JP2000155209A (ja) * | 1998-11-20 | 2000-06-06 | Jsr Corp | カラーフィルタ用感放射線性組成物 |
KR20120087541A (ko) | 2011-01-28 | 2012-08-07 | 주식회사 엘지화학 | 감광성 녹색 수지 조성물, 이를 포함하는 감광재, 이를 이용하여 제조된 컬러필터 및 이를 포함하는 액정표시소자 |
KR102041384B1 (ko) * | 2012-07-31 | 2019-11-07 | 스미또모 가가꾸 가부시키가이샤 | 착색 경화성 수지 조성물 |
KR101556280B1 (ko) * | 2012-12-07 | 2015-09-30 | 제일모직 주식회사 | 컬러필터용 감광성 수지 조성물 및 이를 이용한 컬러필터 |
-
2015
- 2015-06-26 EP EP15811971.9A patent/EP3162860A1/en not_active Withdrawn
- 2015-06-26 JP JP2016571401A patent/JP2017520788A/ja active Pending
- 2015-06-26 KR KR1020150091013A patent/KR20160001694A/ko not_active Application Discontinuation
- 2015-06-26 WO PCT/KR2015/006549 patent/WO2015199485A1/ko active Application Filing
- 2015-06-26 CN CN201580034169.1A patent/CN106459606A/zh active Pending
- 2015-06-26 US US15/321,494 patent/US20170160635A1/en not_active Abandoned
- 2015-06-26 TW TW104120672A patent/TWI548938B/zh active
Patent Citations (5)
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US4072700A (en) * | 1974-09-16 | 1978-02-07 | Sandoz Ltd. | Azomethine copper complexes |
JP2009035671A (ja) * | 2007-08-03 | 2009-02-19 | Toray Ind Inc | 顔料分散液、着色剤組成物、およびカラーフィルター |
JP2012150457A (ja) * | 2010-12-27 | 2012-08-09 | Toray Ind Inc | カラーフィルター基板および液晶表示装置 |
US20130288177A1 (en) * | 2012-04-26 | 2013-10-31 | Sivapackia Ganapathiappan | Inks for liquid electrophotography |
JP2014041341A (ja) * | 2012-07-25 | 2014-03-06 | Toray Ind Inc | 着色剤組成物、カラーフィルター及び液晶表示装置 |
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TW201606435A (zh) | 2016-02-16 |
CN106459606A (zh) | 2017-02-22 |
EP3162860A1 (en) | 2017-05-03 |
KR20160001694A (ko) | 2016-01-06 |
US20170160635A1 (en) | 2017-06-08 |
JP2017520788A (ja) | 2017-07-27 |
TWI548938B (zh) | 2016-09-11 |
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