CN109946923A - Coloring photosensitive combination, colour filter and image display device - Google Patents
Coloring photosensitive combination, colour filter and image display device Download PDFInfo
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- CN109946923A CN109946923A CN201811550064.3A CN201811550064A CN109946923A CN 109946923 A CN109946923 A CN 109946923A CN 201811550064 A CN201811550064 A CN 201811550064A CN 109946923 A CN109946923 A CN 109946923A
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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
- G03F7/039—Macromolecular compounds which are photodegradable, e.g. positive electron resists
- G03F7/0392—Macromolecular compounds which are photodegradable, e.g. positive electron resists the macromolecular compound being present in a chemically amplified positive photoresist composition
-
- 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
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour 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
- 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
-
- 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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- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials For Photolithography (AREA)
Abstract
The present invention provides a kind of coloring photosensitive combination, and it includes alkali soluble resins, colorant and the solvents of the resin containing at least two resins and containing glass transition temperature lower than 0 DEG C.Being capable of forming film by coloring photosensitive combination and shrinking is prevented and colored pattern that Mechanical Reliability improves.
Description
Technical field
The present invention relates to coloring photosensitive combination, colour filter and image display devices.More specifically, it is related to color sensation
Photosensitiveness composition, colour filter, the image display device comprising above-mentioned colour filter formed by above-mentioned coloring photosensitive combination.
Background technique
For example, in liquid crystal display (the liquid crystal of the other light source using backlight (backlight) etc
Display:LCD) in the image display devices such as device, in order to which desired color is presented according to different pixels, it will use colour filter.
Above-mentioned colour filter can be by being coated with the photosensitive composite comprising the colorant corresponding to each pixel of RGB and being patterned
To be formed.Above-mentioned colorant may include dyestuff and/or pigment, and can have absorption or extinction characteristic for specific wavelength.
In recent years, due to requiring the color reproduction characteristics of high-resolution, high brightness, it is therefore desirable to make containing for above-mentioned colorant
Amount increases.In this case, in coating, the solidification of above-mentioned photosensitive composite, it may occur that the fold of film or pattern is shunk now
As may cause the mechanical properties such as curing degree decline reduces.
In addition, recently when forming insulating film included in image display device, in order to improve process reliability, example
Such as, using about 200 DEG C of low-temperature setting processes below.But in the case where above-mentioned low-temperature setting, curing degree may be caused not
Closing force caused by foot reduces, and pattern caused by sensitivity deficiency is bad etc..
Therefore, it is necessary to develop the colored pattern that high color reproduction, high reliability can also be formed even if by low-temperature setting
Coloring photosensitive combination.
For example, No. 10-2009-0072754 colour filter disclosed comprising pigment and adhesive resin of KR published patent
Device composition, but there is limitation in terms of meeting all above-mentioned high-resolution color characteristics and mechanical property.
Existing technical literature
Patent document
KR published patent the 10-2009-0072754th
Summary of the invention
Project to be solved
A project of the invention is, provides the coloring with the color reproduction characteristics and film Formation and characteristics improved
Photosensitive composite.
A project of the invention is, provides and is formed by above-mentioned coloring photosensitive combination and have the color improved
The colour filter of reproducing characteristic and Mechanical Reliability.
A project of the invention is, provides the image display device comprising above-mentioned colour filter.
The method to solve the problem
1. a kind of coloring photosensitive combination, it includes: it is low containing at least two resins and containing glass transition temperature
In the alkali soluble resins of 0 DEG C of resin；Colorant；And solvent.
2. the coloring photosensitive combination as described in above-mentioned 1, above-mentioned alkali soluble resins includes with the vitrifying lower than 0 DEG C
First resin of transition temperature and the second resin with the glass transition temperature different from above-mentioned first resin.
3. the vitrifying of the coloring photosensitive combination as described in above-mentioned 2, above-mentioned first resin and above-mentioned second resin turns
The difference of temperature is 30 DEG C or less.
4. the coloring photosensitive combination as described in above-mentioned 2, above-mentioned first resin includes weight represented by following chemical formula 1
Multiple unit:
[chemical formula 1]
(in above-mentioned chemical formula 1, R1For hydrogen or methyl, R2For the alkyl of carbon atom number 1~12).
5. the coloring photosensitive combination as described in above-mentioned 4, in above-mentioned chemical formula 1, R2For acyclic alkyl groups.
6. the coloring photosensitive combination as described in above-mentioned 4, above-mentioned first resin or above-mentioned second resin include followingization
Reactive repetitive unit represented by formula 2:
[chemical formula 2]
(in chemical formula 2, R3For hydrogen or methyl).
7. the coloring photosensitive combination as described in above-mentioned 6, above-mentioned first resin or above-mentioned second resin also include containing virtue
Ring element contains carboxylic acid.
8. the coloring photosensitive combination as described in above-mentioned 2, in above-mentioned alkali soluble resins total weight, above-mentioned first resin
Content is 30 weight % or more.
9. a kind of colour filter, it includes the colorings that the coloring photosensitive combination as described in above-mentioned any one of 1~8 is formed
Pattern.
10. a kind of image display device, it includes colour filters described in above-mentioned 9.
Invention effect
The coloring photosensitive combination of the embodiment of the present invention may include with different glass transition temperatures (Tg)
At least two alkali soluble resins.Above-mentioned coloring photosensitive combination includes the alkali solubility tree that glass transition temperature is lower than 0 DEG C
Rouge, so as to improve the mobility and coating of composition.Therefore, even if in the case where increasing the content of colorant,
It can prevent film from shrinking, fold generation, form uniform film.
Glass between the arbitrary resin that above-mentioned alkali soluble resins included in above-mentioned coloring photosensitive combination is included
Glass transition temperature difference can be 30 DEG C or less.Therefore, it can prevent caused by the glass transition temperature deviation between resin
Pattern properties reduce, it can be ensured that the mechanical property of the colored pattern of curing degree, hardness, adaptation or the like.
Using above-mentioned coloring photosensitive combination, the colour filter of high brightness and high reliability can be manufactured and comprising above-mentioned
The image display device (for example, LCD device) of colour filter.
Specific embodiment
According to an embodiment of the invention, providing comprising at least two alkali solubles with different glass transition temperatures (Tg)
Property resin, and include that glass transition temperature is lower than 0 DEG C of alkali soluble resins, what film Formation and characteristics and pattern reliability improved
Coloring photosensitive combination.Further it is provided that the colour filter and image display device that are formed by above-mentioned coloring photosensitive combination.
Hereinafter, the embodiment of the present invention is described in detail.
<coloring photosensitive combination>
The coloring photosensitive combination of the embodiment of the present invention can be the resin combination with developability.According to illustration
The embodiment of property, above-mentioned coloring photosensitive combination may include alkali soluble resins, colorant and solvent.A part of the embodiment
In, above-mentioned coloring photosensitive combination can further include Photoepolymerizationinitiater initiater, can also further include optical polymerism
Close object, other additives etc..
Alkali soluble resins
Above-mentioned coloring photosensitive combination can be used for forming resin pattern by exposure and imaging process, may include
The alkali soluble resins that can be selectively removed by above-mentioned developing procedure.Above-mentioned alkali soluble resins can be used as colored photosensitive
The adhesive resin of property composition and provide.For example, above-mentioned alkali soluble resins may include negative photosensitive resin.
According to illustrative embodiment, above-mentioned alkali soluble resins be may include with glass transition temperature different from each other
At least two resins.At least one of above-mentioned at least two resin can be for the glass transition temperature for being lower than 0 DEG C
Resin.Hereinafter, the above-mentioned resin with the glass transition temperature lower than 0 DEG C is known as the first resin.
In a part of the embodiment, above-mentioned first resin may include the repetitive unit of structure represented by following chemical formula 1.
[chemical formula 1]
In above-mentioned chemical formula 1, R1It can be hydrogen or methyl.R2It can be the alkyl of carbon atom number 1~12.R2It can be straight
Chain or branch chain type alkyl can contain hetero atom (O, S or N) in chain.In a part of the embodiment, R2It can be (non-for non-annularity
It is alicyclic) alkyl.
For example, the repetitive unit of above-mentioned chemical formula 1 can derive from the monomer of following chemical formula 1-1.
[chemical formula 1-1]
In illustrative embodiment, R2It can be used as the adjusting unit of the glass transition temperature of above-mentioned first resin and mention
For.
For example, R2Chain length it is longer, the glass transition temperature of above-mentioned first resin can be made to become lower, so as to
Enough improve mobility, the coating of above-mentioned coloring photosensitive combination.
It therefore, also can be because maintaining or improving above-mentioned color sensation even if in the increased situation of amount of aftermentioned colorant
The coating characteristic of photosensitiveness composition and inhibit film fold, contraction etc..
In a part of the embodiment, the glass transition temperature of above-mentioned first resin can be lower than 0 DEG C, and be -30 DEG C or more.
In the case where the glass transition temperature of above-mentioned first resin is lower than -30 DEG C, formed by above-mentioned coloring photosensitive combination
The Mechanical Reliability (adaptation, hardness etc.) of film or pattern may be deteriorated excessively.
Above-mentioned alkali soluble resins can further include the resin different from above-mentioned first resin, hereinafter, will be with above-mentioned
The different resin of one resin is known as the second resin.
According to illustrative embodiment, above-mentioned second resin has the glass transition different from each other with above-mentioned first resin
The difference (absolute value benchmark) of the glass transition temperature of temperature, above-mentioned first resin and the second resin can be 30 DEG C or less.?
In the case that the difference of above-mentioned glass transition temperature is more than 30 DEG C, the differences such as curing degree, hardness of resin increase caused film
Contraction may become serious.
In order to improve the Mechanical Reliability of the film or pattern that are formed by above-mentioned coloring photosensitive combination, above-mentioned second tree
Rouge can together with above-mentioned first resin by comprising.As described above, passing through above-mentioned first resin, it can be ensured that above-mentioned colored photosensitive
The mobility of property composition, coating can supplement curing characteristics and adaptation by above-mentioned second resin.
In one embodiment, above-mentioned second resin can have the glass transition temperature higher than above-mentioned first resin.One is real
It applies in example, above-mentioned second resin can have 0 DEG C or more of glass transition temperature.
In illustrative embodiment, above-mentioned second resin may include reactivity represented by following chemical formula 2 and repeat list
Member.
[chemical formula 2]
In chemical formula 2, R3It can be hydrogen or methyl.The repetitive unit of above-mentioned chemical formula 2 is due to (methyl) comprising end
It is acrylate-based, therefore photocuring or heat curable properties can be assigned.In addition, by institute in the repetitive unit of above-mentioned chemical formula 2
The hydroxyl for including, so as to improve film or pattern adaptation and with the reactivity of developer solution.
In a part of the embodiment, above-mentioned second resin can further include unit containing aromatic ring and/or containing carboxylic acid.It should
In the case of, it can more improve through above-mentioned second resin for the adaptation of substrate and the heat resistance of pattern.
For example, above-mentioned unit containing aromatic ring can derive from the monomer of following chemical formula 3.
[chemical formula 3]
In above-mentioned chemical formula 3, R4It can be alkoxy, the carbon atom number 1~6 of hydrogen atom or carbon atom number 1~6
The naphthenic base of alkyl, carbon atom number 4~8.
For example, above-mentioned can be from the monomer of acrylic or methacrylic acid etc containing carboxylic acid.
In a part of the embodiment, above-mentioned first resin also may include repetitive unit represented by above-mentioned chemical formula 2, the feelings
Under condition, above-mentioned first resin also can be realized solidification reactivity.In one embodiment, above-mentioned first resin also may include above-mentioned contain
Aromatic ring unit and/or contain carboxylic acid.
In a part of the embodiment, above-mentioned second resin can also include the repetitive unit of above-mentioned chemical formula 1 simultaneously.
The content of above-mentioned alkali soluble resins is not particularly limited, for example, can be about 5~50 weights in composition total weight
% is measured, preferably can be about 10~20 weight %.In the case where the content of above-mentioned alkali soluble resins is lower than 5 weight %, pattern
Reliability and closing force may be reduced excessively.In the case where the content of above-mentioned alkali soluble resins is more than 50 weight %, composition
Excess stickiness increases and coating may deteriorate.
In the feline amount of above-mentioned alkali soluble resins, the content of above-mentioned first resin can be about 30 weight % with
On, it preferably can be about 40 weight % or more.In the case where the content of above-mentioned first resin is lower than 30 weight %, work as colorant
When content increases, it may be unable to fully realize that film contraction prevents effect.
In a part of the embodiment, resin included in above-mentioned alkali soluble resins all can have the glass lower than 0 DEG C
Change transition temperature.In this case, the resin with minimum glass transition temperature can be known as to the first resin, above-mentioned first
The glass transition temperature difference of resin and other resins can be 30 DEG C or less.
Above-mentioned alkali soluble resins can also further use can be copolymerized with above-mentioned repetitive unit or monomer at least one
Kind other monomers are polymerize.The non-limitative example of above-mentioned other monomers, may include: styrene, vinyltoluene, methyl
Styrene, p-chlorostyrene, o-methoxystyrene, meta-methoxy styrene, to methoxy styrene, adjacent vinyl benzyl first
Base ether, vinyl benzyl methyl ether, to vinyl benzyl methyl ether, adjacent vinylbenzyl glycidyl ether, vinyl benzyl
Base glycidol ether, to aromatic ethenyl compounds such as vinylbenzyl glycidyl ethers；N- N-cyclohexylmaleimide, N-
Hydroxy phenyl maleimide between benzyl maleimide, N-phenylmaleimide, N- o-hydroxy-phenyl maleimide, N-
Methylphenylmaleimide, N- pairs between amine, N- p-hydroxybenzene maleimide, N- o-methyl-phenyl maleimide, N-
Methylphenylmaleimide, N- o-methoxyphenyl maleimide, N- m-methoxyphenyl maleimide, N- are to methoxy
The N- substituted maleimide amine compound such as base phenyl maleimide；(methyl) methyl acrylate, (methyl) ethyl acrylate,
(methyl) n-propyl, (methyl) isopropyl acrylate, (methyl) n-butyl acrylate, (methyl) isobutyl acrylate,
(methyl) alkyl-acrylates such as (methyl) sec-butyl acrylate, (methyl) tert-butyl acrylate；(methyl) acrylic acid ring penta
Ester, (methyl) cyclohexyl acrylate, (methyl) acrylic acid 2- methyl cyclohexyl, bis- cyclopentyloxy ethyl ester of (methyl) acrylic acid 2-,
Alicyclic (methyl) esters of acrylic acid such as (methyl) isobornyl acrylate；(methyl) phenyl acrylate, (methyl) acrylic acid benzyl
Ester etc. (methyl) benzyl acrylate class；3- (methacryloxymethyl) oxetanes, 3- (methacryloxymethyl)-
3- Ethyloxetane, 3- (methacryloxymethyl) -2- trifluoromethyl oxetanes, 3- (methacryloxypropyl first
Base) -2- phenyl oxetanes, 2- (methacryloxymethyl) oxetanes, 2- (methacryloxymethyl) -4- three
The unsaturation oxetane compound such as methyl fluoride oxetanes；(methyl) glycidyl acrylate, (methyl) acrylic acid
3,4- epoxy cyclohexyl, (methyl) acrylic acid 3,4- epoxycyclohexanecarboxylate, (methyl) acrylic acid methylglycidyl esters etc. are no
It is saturated oxirane compound etc..They can be used in mixed way alone or in any combination.
For example, the acid value of above-mentioned alkali soluble resins can be about 20~200 (㎎ KOH/g).In above-mentioned acid value, energy
Enough dissolubilities improved for developer solution, thus, it is possible to increase pattern resolution.In view of suitably developing, pattern properties and
Colorant stability etc. can be about 30~150 (㎎ KOH/g).
The weight average molecular weight of above-mentioned alkali soluble resins by the polystyrene of gel permeation chromatography (GPC) measurement (for example, converted
Mw it) can be about 3,000~50,000, preferably can be 3,000~10,000.It can prevent from showing in above-mentioned molecular weight ranges
Film loss and raising pattern stability in shadow process.
The molecular weight distribution [weight average molecular weight (Mw)/number-average molecular weight (Mn)] of above-mentioned alkali soluble resins can be about 1.5
~6.0, it is contemplated that development and pattern stability etc. preferably can be about 1.8~4.0.
Colorant
The coloring photosensitive combination of illustrative embodiment may include at least one pigment, dyestuff or their mixing
Object is as colorant.
The organic pigment or inorganic pigment generally used in the art can be used in above-mentioned pigment.For example, as having
The example of machine pigment, can specifically enumerate water-soluble azo pigment, insoluble azo colour, phthalocyanine color, quinacridone pigment,
Isoindolenone pigments, isoindoline pigment, pigment, pyrene ketone pigment, twoPiperazine pigment, anthraquinone pigment, bi-anthraquinone base face
Material, anthracene pyrimidine pigment, anthanthrone (anthanthrone) pigment, indanthrone (indanthrone) pigment, flavanthrone face
Material, pyranthrone (pyranthrone) pigment, diketopyrrolo-pyrrole pigment etc..
Above-mentioned inorganic pigment may include the metallic compounds such as metal oxide or metallic complex salt, it can be cited for example that iron,
Oxide or metal composite oxide of the metals such as cobalt, aluminium, cadmium, lead, copper, titanium, magnesium, chromium, zinc, antimony etc..
Colour index (dyeing association, family (The can be enumerated as above-mentioned organic pigment and inorganic pigment as concrete example
Society of Dyers and Colourists) publish) in be classified as the compound of pigment, can be used exemplified below
Colour index (C.I.) number pigment.
In above-mentioned C.I. pigment etc., such as C.I. pigment yellow 13 8, C.I. pigment yellow 13 9, C.I. pigment yellow can be used
150, C.I. pigment yellow 185, C.I. pigment orange 38, C.I. pigment red 122, C.I. paratonere 166, C.I. paratonere 177, C.I.
Paratonere 208, C.I. paratonere 242, C.I. paratonere 254, C.I. paratonere 255, C.I. pigment Violet 23, C.I. pigment blue
15:3, pigment blue 15: 6, C.I. pigment Green 7, C.I. pigment green 36, C.I. naphthol green 58 etc..They can individually or two kinds with
On be applied in combination.
The example of above-mentioned pigment is only illustrative, it may be considered that desired coloration is suitable to select and be applied in combination
Pigment.
It can simultaneously include pigment dispersing agent to keep pigment evenly dispersed in the composition in a part of the embodiment.Example
Such as, pigment can be made to disperse in above-mentioned pigment dispersing agent and form the dispersible pigment dispersion with uniform partial size, it then will be upper
Dispersible pigment dispersion is stated to mix with coloring photosensitive combination.
As the example of above-mentioned pigment dispersing agent, BMA (butyl methacrylate) or DMAEMA (methyl-prop can be enumerated
Olefin(e) acid N, N- dimethylamino ethyl ester) etc acrylic ester dispersing agent, Polyester dispersant, polyamine system dispersing agent, (first
Base) acrylic-styrene copolymer, (methyl) acrylic acid-(methyl) acrylate copolymer, styrene-maleic acid copolymer,
The resin type surfactant etc. of polyvinyl alcohol or polyvinylpyrrolidone etc.They can respectively individually or will be two or more
It is applied in combination.
Above-mentioned dyestuff can be considered organic solvent and for the dissolubility and solvent resistance of alkaline developer, ageing stability
Etc. selecting.
As above-mentioned dyestuff, can be used acid dyes of acidic-group with sulfonic acid or carboxylic acid etc. or derivatives thereof,
Azo system, xanthene system, the acid dyes of phthalocyanine system and their derivative etc..
Above-mentioned dyestuff may include such as colour index (dyeing association, family (The Society of Dyers and
Colourists) publish) in be classified as documented well known dye in the compound or dyeing handbook (Se Ran society) of dyestuff
Material.
As the concrete example of above-mentioned dyestuff, C.I. solvent system can be enumerated and C.I. acidity system, C.I. be directly,
C.I. medium based dye, they can be used alone or in combination of two or more.
The content of above-mentioned colorant is not particularly limited, in the feline amount of photosensitive composition,
It can be about 3~60 weight %, preferably can be 5~50 weight %.Within the above range, the external stream of colorant is not will lead to
Out, and it can be realized desired colorrendering quality.
Photopolymerizable compound
In a part of illustrative embodiment, in order to carry out additional crosslinking by exposure process or polymerization improves color-patch map
The mechanical property of case, above-mentioned coloring photosensitive combination can also for example further include photopolymerizable compound as additional single
Body.
Monofunctional monomer, two functional monomers or polyfunctional monomer can be used in above-mentioned photopolymerizable compound, in order to realize
The monomer of two functions or more can be used in sufficient curing characteristics.
As the example of above-mentioned monofunctional monomer, nonylphenol acrylate phenyl carbitol ester, acrylic acid 2- hydroxyl-can be enumerated
3- phenoxy-propyl, acrylic acid 2- ethylhexyl carbitol ester, acrylic acid 2- hydroxy methacrylate, n-vinyl pyrrolidone etc..Make
For the example of two functional monomers, can enumerate 1,6- hexylene glycol two (methyl) acrylate, ethylene glycol two (methyl) acrylate,
Neopentyl glycol two (methyl) acrylate, triethylene glycol two (methyl) acrylate, bisphenol-A bis- (acryloyl-oxyethyls)
Ether, 3- methyl pentanediol two (methyl) acrylate etc..
As the example of other polyfunctional monomers, trimethylolpropane tris (methyl) acrylate, ethyoxyl can be enumerated
Change trimethylolpropane tris (methyl) acrylate, propoxylation trimethylolpropane tris (methyl) acrylate, pentaerythrite
Three (methyl) acrylate, pentaerythrite four (methyl) acrylate, dipentaerythritol five (methyl) acrylate, ethoxylation
Dipentaerythritol six (methyl) acrylate, propoxylated dipentaerythritol six (methyl) acrylate, six (first of dipentaerythritol
Base) acrylate etc..They can be used alone or in combination of two or more.
The content of above-mentioned photopolymerizable compound for example can be about 5~50 weights in the feline amount of composition
Measure %.Within the above range, the colorrendering quality of colorant can not be made to decline, and improve the intensity and machinery of colored pattern
Reliability preferably can be about 7~45 weight %.
Photoepolymerizationinitiater initiater
Comprising above-mentioned photopolymerizable compound, in order to induce above-mentioned optical polymerism by exposure process
The crosslinking or polymerization of compound, above-mentioned coloring photosensitive combination can further include Photoepolymerizationinitiater initiater.
For example, above-mentioned Photoepolymerizationinitiater initiater may include selected from acetophenone based compound, benzoin based compound, hexichol first
In ketone based compound, triazine based compound, bisglyoxaline based compound, thioxanthones based compound, oxime ester based compound etc. at least
A kind of compound.Preferably, above-mentioned Photoepolymerizationinitiater initiater may include acetophenone based compound.
As the example of above-mentioned acetophenone based compound, diethoxy acetophenone, 2- methyl -2- morpholino-can be enumerated
1- (4- methylthiophenyi) propane -1- ketone, -1 (4- morphlinophenyl) butane -1- ketone of 2- benzyl -2- dimethylamino, 2- hydroxyl
Base-2- methyl-1-phenyl-propane-1- ketone, benzil dimethyl ketal, 2- hydroxy-2-methyl-1- [4- (2- hydroxyl-oxethyl)
Phenyl] propane -1- ketone, 1- hydroxycyclohexylphenylketone, 2- hydroxy-2-methyl -1- [4- (1- methyl ethylene) phenyl] propane -
The oligomer etc. of 1- ketone.
The content of above-mentioned Photoepolymerizationinitiater initiater for example can be about 1~30 weight in the feline amount of composition
% is measured, preferably can be about 1~20 weight %.Within the above range, the color reproduction characteristics of colorant can not be made to decline, and
And sensitivity of the raising for exposure process.
It,, can also be simultaneously in order to promote polymerization to carry out after causing polymerization using above-mentioned Photoepolymerizationinitiater initiater in one embodiment
Use photopolymerization auxiliary agent.Above-mentioned photopolymerization auxiliary agent may include such as amine compound, alkoxy anthracene based compound.
As the example of above-mentioned amine compounds, triethanolamine, methyl diethanolamine, triisopropanolamine, 4- bis- can be enumerated
Methylaminobenzoate methyl esters, ethyl 4-dimethylaminobenzoate, 4- dimethylaminobenzoic acid isopentyl ester, benzoic acid 2- bis-
Methylamino ethyl ester, 4- dimethylaminobenzoic acid 2- ethylhexyl, N, the bis- (dimethylaminos of N- dimethyl-p-toluidine, 4,4'-
Base) benzophenone (Michler's keton), bis- (diethylamino) benzophenone of 4,4'-, bis- (ethylmethylamino) benzophenone of 4,4'-
Deng.
As the example of above-mentioned alkoxy anthracene based compound, 9,10- dimethoxy anthracene, 2- ethyl -9,10- bis- can be enumerated
Methoxyl group anthracene, 9,10- diethoxy anthracene, 2- ethyl -9,10- diethoxy anthracene etc..
Other additives
In a part of the embodiment, above-mentioned coloring photosensitive combination can add comprising for improve coating, adaptation,
The additive of the membrane properties such as hardness.For example, can add other high-molecular compounds, curing agent, surfactant, wetting agent,
Closely sealed promotor, antioxidant, ultraviolet absorbing agent, anticoagulant etc..
The hardness of colored pattern, adaptation etc. can be considered to add in other above-mentioned high-molecular compounds, for example, can wrap
Containing thermosetting resins such as epoxy resin, maleimide resins, polyvinyl alcohol, polyacrylic acid, polyalkylene glycol monoalkyl ether, poly- fluorine
Thermoplastic resins such as alkyl acrylate, polyester, polyurethane etc..
Above-mentioned curing agent can in order to enhance adding by the cured intensity in deep for colored pattern, it can be cited for example that
Epoxide, polyfunctional isocyanate compound, melamine compound or oxetane compound etc..
As above-mentioned surfactant, silicone based surfactants, fluorine system surfactant can be used, have fluorine former
The silicone based surfactants etc. of son.
As above-mentioned wetting agent, can be used such as glycerol, diethylene glycol, ethylene glycol.
As the concrete example of above-mentioned closely sealed promotor, vinyltrimethoxysilane, vinyl triethoxyl can be enumerated
Silane, vinyl three (2- methoxy ethoxy) silane, N- (2- amino-ethyl) -3- aminopropylmethyldimethoxysilane,
N- (2- amino-ethyl) -3- TSL 8330,3-aminopropyltriethoxysilane, 3- glycidoxypropyl group
Trimethoxy silane, 3- epoxy propoxy propyl methyl dimethoxysilane, 2- (3,4- epoxycyclohexyl) ethyl trimethoxy
Silane, 3- chloropropylmethyldimethoxysilane, 3- r-chloropropyl trimethoxyl silane, 3- methacryloxypropyl trimethoxy
Base silane, 3-mercaptopropyi trimethoxy silane, 3- isocyanate group propyl trimethoxy silicane, 3- isocyanate group propyl three
Ethoxysilane etc..
As the example of above-mentioned antioxidant, 2,2'- thiobis (4- methyl-6-tert-butylphenol), 2,6- can be enumerated
Di-t-butyl -4- methylphenol etc..As the example of above-mentioned ultraviolet absorbing agent, 2- (3- tert-butyl -2- hydroxyl-can be enumerated
5- aminomethyl phenyl) -5- chlorobenzotriazole, alkoxy benzophenone etc..As the example of above-mentioned anticoagulant, can enumerate such as poly-
Acrylic acid or its salt.
Solvent
Solvent, which may include, dissolves above-mentioned photopolymerizable compound and alkali soluble resins sufficiently, and does not cause colorant
Precipitation organic solvent.
As the example of above-mentioned solvent, glycol ethers system, alcohol system (methanol, ethyl alcohol, isopropanol, butanol, propylene glycol can be used
Methoxyl group alcohol etc.), ketone system (methyl ethyl ketone, methyl butyl ketone, methyl iso-butyl ketone (MIBK), metacetone, dipropyl ketone etc.), acetic acid
Ester system (methyl acetate, ethyl acetate, butyl acetate, propylene glycol methoxy acetic acid esters etc.), cellosolve system (methyl cellosolve, second
Base cellosolve, propyl cellosolve etc.), hydrocarbon system (n-hexane, normal heptane, benzene,toluene,xylene etc.), 3- ethoxyl ethyl propionate,
The esters such as 3- methoxy methyl propionate, gamma-butyrolacton equal solvent, they can be used alone or in combination of two or more.
In view of coating and drying property, the organic solvent that boiling point is 100 DEG C~200 DEG C can be used, can preferably make
With propylene glycol monomethyl ether, propylene glycol monoethyl acetic acid esters, cyclohexanone, ethyl lactate, butyl lactate, 3- ethyoxyl
Propionic acid ethyl, 3- methoxy propyl acid methyl etc..
The content of above-mentioned solvent can be the surplus other than the ingredient of combinations of the above object, such as composition total weight
In, content can be about 60~90 weight %.It, can be by utilizing spin coater, slit in the case where meeting the above range
The coating method of spin coater, slit type coater, die coating machine, curtain application device, flush coater etc. is readily formed film.
<colour filter and image display device>
Colored pattern can be formed using above-mentioned coloring photosensitive combination, and above-mentioned colored pattern is as described below for example
It may be used as the colour filter of image display device.
According to illustrative embodiment, such as different colours can be limited by forming black matrix on the glass substrate
Pixel region.Later, it can be coated with above-mentioned coloring photosensitive combination on above-mentioned glass substrate and black matrix and make its solidification,
To form precolor film.
In illustrative embodiment, above-mentioned curing process can be at about 200 DEG C hereinafter, or about 150 DEG C of temperature realities below
It applies.Above-mentioned coloring photosensitive combination includes the first resin and the second resin for meeting above-mentioned glass transition temperature condition,
Therefore sufficient Mechanical Reliability also can be realized by the curing process of above-mentioned cryogenic conditions.
Later, by above-mentioned precolor film exposure and imaging, so as to form the colored pattern for corresponding to each pixel.
Above-mentioned exposure process may include the ultraviolet exposure using the mask for exposing above-mentioned pixel region selectively.It
Afterwards, by using developer solution by non-exposed areas selective removal, so as to form above-mentioned colored pattern.
Above-mentioned developer solution for example may include inorganic or organic basic compound.Example as above-mentioned inorganic alkaline compound
Son can enumerate sodium hydroxide, potassium hydroxide, disodium hydrogen phosphate, sodium dihydrogen phosphate, diammonium hydrogen phosphate, ammonium dihydrogen phosphate, phosphoric acid
Potassium dihydrogen, sodium metasilicate, potassium silicate, sodium carbonate, potassium carbonate, sodium bicarbonate, saleratus, Boratex, potassium borate, ammonia etc..As
The example of above-mentioned organic basic compound can enumerate tetramethylammonium hydroxide, 2- hydroxyethyl trimethylammonium hydroxide, Dan Jia
Amine, dimethylamine, trimethylamine, mono aminoethane, diethylamine, triethylamine, single isopropylamine, diisopropylamine, ethanol amine etc..They can be independent
Or it is used in combination.
Process is dried after above-mentioned developing procedure, such as after can implementing at 150~230 DEG C.
Later, the outer covering layer for covering above-mentioned black matrix and above-mentioned colored pattern, and the shape on above-mentioned outer covering layer can be formed
At electrode layer.The transparent conductive oxides of indium tin oxide (ITO) etc can be used for example to be formed in above-mentioned electrode layer, make
For aftermentioned image display device common electrode and provide.
By above-mentioned operation, the colour filter comprising colored pattern can be manufactured.As described above, by using vitrifying is met
The alkali soluble resins of transition temperature condition, even if increase colorant content be capable of forming film shrink be inhibited have height
The colour filter of colorrendering quality and high brightness.
According to illustrative embodiment, the image display device comprising above-mentioned colour filter is provided.In a part of the embodiment, on
Stating image display device can be the LCD device comprising backlight.
Above-mentioned LCD device may include lower part made of back light unit, lower part polarizer and tft array substrate stack gradually
Substrate.Pixel electrode can be formed in above-mentioned lower basal plate, on the above-mentioned tft array substrate for being formed with pixel electrodes
Form liquid crystal layer.
It is then possible to configure above-mentioned colour filter in the mode opposite with above-mentioned tft array substrate across above-mentioned liquid crystal layer.
For example, colour filter can be laminated in the above-mentioned electrode layer mode opposite with pixel electrodes.
Top polarizer, protective substrate etc. can be laminated on above-mentioned colour filter.
In a part of the embodiment, above-mentioned colour filter also can be applied to white OLED (Whited OLED)
Device.For example, colour filter can be stated White OLED device substrate upper layer is stacked on, can also improve for the self luminous of OLED
Light resistance.
Although to be illustrated for having used the colour filter of above-mentioned coloring photosensitive combination, above-mentioned colored photosensitive
Property composition can also form black matrix, spacer, pixel according to the type of colorant and limit the image display devices such as film
Included in diversified insulation system and use.
Hereinafter, providing the experimental example including specific embodiment and comparative example, but this to help understanding of the invention
It is only to illustrate the present invention, is not the patent requirements range of limitation accompanying, the energy within the scope of scope of the invention and technical idea
Enough to carry out diversified change and modification to embodiment, this would be obvious to one skilled in the art, when
So such change and modification also belong to appended claims range.
Experimental example
Synthesis example 1: the synthesis of alkali soluble resins (A-1)
In the flask for having blender, thermometer, reflux condensing tube, dropping funel and nitrogen ingress pipe, investment the third two
120 parts of alcohol monomethyl ether acetate, 80 parts of propylene glycol monomethyl ether, 2 parts of AIBN, 10 parts of ethylhexyl methacrylate, methyl
30 parts of tricyclodecyl acrylate, 35 parts of acrylic acid, 25 parts of glycidyl methacrylate simultaneously carry out nitrogen displacement.Later, on one side
The temperature of reaction solution is risen to 80 DEG C on one side and reacted 8 hours by stirring.Then, the temperature of reaction solution is down to room temperature.By upper
The process stated, obtaining Tg is -4 DEG C, and it is about by the weight average molecular weight Mw that GPC is measured that solid component acid value, which is 35.2 ㎎ KOH/g,
3560 alkali soluble resins.
Synthesis example 2: the synthesis of alkali soluble resins (A-2)
In the flask for having blender, thermometer, reflux condensing tube, dropping funel and nitrogen ingress pipe, investment the third two
120 parts of alcohol monomethyl ether acetate, 80 parts of propylene glycol monomethyl ether, 2 parts of AIBN, 25 parts of ethylhexyl methacrylate, methyl
25 parts of tricyclodecyl acrylate, 30 parts of acrylic acid, 20 parts of glycidyl methacrylate simultaneously carry out nitrogen displacement.Later, on one side
The temperature of reaction solution is risen to 80 DEG C on one side and reacted 8 hours by stirring.Then, the temperature of reaction solution is down to room temperature.By upper
The process stated, obtaining Tg is -14 DEG C, and it is about by the weight average molecular weight Mw that GPC is measured that solid component acid value, which is 32.0 ㎎ KOH/g,
3420 alkali soluble resins.
Synthesis example 3: the synthesis of alkali soluble resins (A-3)
In the flask for having blender, thermometer, reflux condensing tube, dropping funel and nitrogen ingress pipe, investment the third two
120 parts of alcohol monomethyl ether acetate, 80 parts of propylene glycol monomethyl ether, 2 parts of AIBN, 25 parts of lauryl methacrylate, methyl-prop
25 parts of olefin(e) acid tricyclodecyl, 30 parts of acrylic acid, 20 parts of glycidyl methacrylate simultaneously carry out nitrogen displacement.Later, it stirs on one side
It mixes and the temperature of reaction solution is risen to 80 DEG C on one side and is reacted 8 hours.Then, the temperature of reaction solution is down to room temperature.By above-mentioned
Process, obtain Tg be -28 DEG C, solid component acid value be 33.4 ㎎ KOH/g, by GPC measure weight average molecular weight Mw be about
3658 alkali soluble resins.
Synthesis example 4: the synthesis of alkali soluble resins (A-4)
In the flask for having blender, thermometer, reflux condensing tube, dropping funel and nitrogen ingress pipe, investment the third two
120 parts of alcohol monomethyl ether acetate, 80 parts of propylene glycol monomethyl ether, 2 parts of AIBN, 25 parts of styrene, the methacrylic acid tricyclic last of the ten Heavenly stems
25 parts of ester, 30 parts of acrylic acid, 20 parts of glycidyl methacrylate simultaneously carry out nitrogen displacement.It later, will be anti-while stirring
It answers the temperature of liquid to rise to 80 DEG C and reacts 8 hours.Then, the temperature of reaction solution is down to room temperature.By above-mentioned process, obtain
Tg is+104 DEG C, and solid component acid value is 31.7 ㎎ KOH/g, the alkali solubility for being about 3469 by the weight average molecular weight Mw that GPC is measured
Resin.
Synthesis example 5: the synthesis of alkali soluble resins (A-5)
In the flask for having blender, thermometer, reflux condensing tube, dropping funel and nitrogen ingress pipe, investment the third two
120 parts of alcohol monomethyl ether acetate, 80 parts of propylene glycol monomethyl ether, 2 parts of AIBN, 25 parts of benzyl methacrylate, metering system
25 parts of sour tricyclodecyl, 30 parts of acrylic acid, 20 parts of glycidyl methacrylate simultaneously carry out nitrogen displacement.Later, it stirs on one side
The temperature of reaction solution is risen to 80 DEG C on one side and is reacted 8 hours.Then, the temperature of reaction solution is down to room temperature.By above-mentioned
Process, obtaining Tg is+58 DEG C, and it is about 3785 by the weight average molecular weight Mw that GPC is measured that solid component acid value, which is 36.1 ㎎ KOH/g,
Alkali soluble resins.
Synthesis example 6: the synthesis of alkali soluble resins (A-6)
In the flask for having blender, thermometer, reflux condensing tube, dropping funel and nitrogen ingress pipe, investment the third two
120 parts of alcohol monomethyl ether acetate, 80 parts of propylene glycol monomethyl ether, 2 parts of AIBN, 25 parts of cyclohexyl methacrylate, methyl-prop
25 parts of olefin(e) acid tricyclodecyl, 30 parts of acrylic acid, 20 parts of glycidyl methacrylate simultaneously carry out nitrogen displacement.Later, it stirs on one side
It mixes and the temperature of reaction solution is risen to 80 DEG C on one side and is reacted 8 hours.Then, the temperature of reaction solution is down to room temperature.By above-mentioned
Process, obtain Tg be+12 DEG C, solid component acid value be 29.8 ㎎ KOH/g, by GPC measure weight average molecular weight Mw be about
3027 alkali soluble resins.
Embodiment and comparative example
According to documented ingredient in following table 1 and table 2 and content (parts by weight), the coloring of embodiment and comparative example is manufactured
Photosensitive composite.
[table 1]
[table 2]
Documented ingredient is as follows in Tables 1 and 2.
A-1) the alkali soluble resins of synthesis example 1
A-2) the alkali soluble resins of synthesis example 2
A-3) the alkali soluble resins of synthesis example 3
A-4) the alkali soluble resins of synthesis example 4
A-5) the alkali soluble resins of synthesis example 5
A-6) the alkali soluble resins of synthesis example 6
B-1) dipentaerythritol hexaacrylate (KAYARAD DPHA；Japanese chemical drug (strain) manufacture) C-1) 2- benzyl -2-
Dimethylamino -1 (4- morphlinophenyl) butane -1- ketone (Irgacure 369；Ciba (Ciba Specialty
Chemical) company manufactures)
D-1) C.I. naphthol green 58
D-2) C.I. pigment yellow 13 8
E-1) propylene glycol monomethyl ether
F-1) surfactant (the beautiful organosilicon manufacture in the east SH-8400)
F-2) epoxy resin (SUMI-EPOXY ESCN-195XL；Sumitomo Chemical (strain) manufacture)
F-3) 3- methacryloxypropyl trimethoxy silane
Colour filter manufacture
Using spin-coating method, the coloring photosensitive combination manufactured in embodiment and comparative example is coated on glass substrate (#
1737, Corning Incorporated manufacture) on after, place on hot plate, 100 DEG C temperature maintain 3 minutes, formed film.
The test photomask that there is ladder-like pattern with the range in transmitance 1~100% is placed on the above-mentioned films,
And 1000 μm will be set as with the interval of test photomask, using extra-high-pressure mercury vapour lamp (USH-250D, oxtail motor (strain) manufacture),
With 40mJ/cm under air atmosphere2Light exposure (365nm) carry out light irradiation.By the above-mentioned film irradiated through ultraviolet light in pH
Developed 70 seconds in 12.5 KOH aqueous development solution using spray development machine.
The above-mentioned glass substrate for being coated with film is made wash with distilled water, then nitrogen blowing is dried, at 230 DEG C
It is heated 20 minutes in heated oven and manufactures colour filter.The pattern (film) of manufactured colour filter is with a thickness of 2.0~2.5 μm.
(1) developing powder and sensitivity evaluation
In the manufacturing process of above-mentioned colour filter, the time that removal/glass of non-exposed portion starts when measurement is developed, thus
Measure developing powder.In addition, in the manufacturing process of above-mentioned colour filter, in order to form after development the film for not having figuratum peeling,
Minimum exposure amount (mJ/cm needed for measurement2), to evaluate sensitivity.
(2) speckle (evaluation of film fold)
Made color filter pattern surface state is visually observed, judges whether that the vertical line spot as caused by film fold occurs
Line, and evaluated according to following benchmark.
Zero: patterned surfaces does not observe vertical line speckle
△: patterned surfaces slightly observes vertical line speckle
X: patterned surfaces obviously observes vertical line speckle
(3) adaptation is evaluated
The colour filter of above-mentioned manufacture is cut into 100 matrix structures in the region inscribe of 10 × 10mm, is then glued on it
Adhesive tape is connect, the number for the matrix being stripped when vertically strongly separating adhesive tape is counted, (is stripped to evaluate adaptation
Number/100).
(4) heat resistance
For the colour filter of above-mentioned manufacture, the color difference (heat resistance) of 230 DEG C/2hr of comparative evaluation heat treatment front and back.It is specific and
Speech, using the following mathematical expressions 1 for representing the color difference in the three-dimensional colorimeter defined by L*, a*, b*, color difference is smaller, indicates heat-resisting
Property is higher.
[mathematical expression 1]
△ Eab*=[(△ L*)2+(△a*)2+(△b*)2]1/2
(5) NMP solvent resistance
After the colour filter of above-mentioned manufacture is cut into 3x3cm, impregnated 40 minutes in the nmp solution of 14.6ml in 80 DEG C.
Then, the extinction of the nmp solution regathered by ultraviolet-visible spectrophotometer (UV-Vis spectrometer) evaluation
Degree.
Evaluation result is shown in following Table 3 and table 4.
[table 3]
[table 4]
Referring to table 3 and table 4, comprising having the vitrifying between the resin and resin of the glass transition temperature lower than 0 DEG C to turn
Temperature difference is adjusted to 30 DEG C of embodiments below compared with comparative example, and the mechanical/chemical for showing to significantly improve is reliable
Property (adaptation, heat resistance, solvent resistance), and be also not observed shunk by colorant or film caused by speckle.Embodiment 6
In the case where, due to having the content of the resin (the first resin) of the glass transition temperature lower than 0 DEG C slightly to reduce, see
Observe small speckle.
As comparative example 4 glass transition temperature of resin more than 0 DEG C in the case where, speckle phenomena aggravate, and by
Glass transition temperature between resin is more than 30 DEG C, therefore not only speckle phenomena prevents effect from declining, but also mechanical/chemical can
It is also reduced by property.
Claims (10)
1. a kind of coloring photosensitive combination, it includes:
The alkali soluble resins of resin containing at least two resins and containing glass transition temperature lower than 0 DEG C；
Colorant；And
Solvent.
2. coloring photosensitive combination according to claim 1, the alkali soluble resins includes with the glass lower than 0 DEG C
Change the first resin of transition temperature and the second resin with the glass transition temperature different from first resin.
3. coloring photosensitive combination according to claim 2, the vitrifying of first resin and second resin
The difference of transition temperature is 30 DEG C or less.
4. coloring photosensitive combination according to claim 2, first resin includes represented by following chemical formula 1
Repetitive unit,
Chemical formula 1
In the chemical formula 1, R1For hydrogen or methyl, R2For the alkyl of carbon atom number 1~12.
5. coloring photosensitive combination according to claim 4, in the chemical formula 1, R2For acyclic alkyl groups.
6. coloring photosensitive combination according to claim 4, first resin or second resin include following
Reactive repetitive unit represented by chemical formula 2,
Chemical formula 2
In chemical formula 2, R3For hydrogen or methyl.
7. coloring photosensitive combination according to claim 6, first resin or second resin also include to contain
Aromatic ring unit contains carboxylic acid.
8. coloring photosensitive combination according to claim 2, in the alkali soluble resins total weight, first resin
Content be 30 weight % or more.
9. a kind of colour filter, it includes the colorings formed by coloring photosensitive combination according to any one of claims 1 to 8
Pattern.
10. a kind of image display device, it includes colour filters as claimed in claim 9.
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| KR102319892B1 (en) * | 2016-03-30 | 2021-11-01 | 동우 화인켐 주식회사 | Colored photosensitive resin composition, color filter and image display device using the same |
| KR101976660B1 (en) * | 2016-07-13 | 2019-05-09 | 삼성에스디아이 주식회사 | Photosensitive resin composition, photosensitive resin layer using the same and display device |
| KR101809063B1 (en) * | 2016-09-27 | 2017-12-14 | 동우 화인켐 주식회사 | Blue curable resin composition, color filter, and image display device produced using the same |
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| KR20190075393A (en) | 2019-07-01 |
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