WO2007113958A1 - カラーフィルタ用インクジェットインク、カラーフィルタ、カラーフィルタの製造方法及び表示装置 - Google Patents
カラーフィルタ用インクジェットインク、カラーフィルタ、カラーフィルタの製造方法及び表示装置 Download PDFInfo
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- WO2007113958A1 WO2007113958A1 PCT/JP2007/053838 JP2007053838W WO2007113958A1 WO 2007113958 A1 WO2007113958 A1 WO 2007113958A1 JP 2007053838 W JP2007053838 W JP 2007053838W WO 2007113958 A1 WO2007113958 A1 WO 2007113958A1
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- ink
- color filter
- inkjet
- inkjet ink
- color
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Classifications
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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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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
- C09D11/38—Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/003—Printing processes to produce particular kinds of printed work, e.g. patterns on optical devices, e.g. lens elements; for the production of optical devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
Definitions
- Ink-jet ink for color filter for color filter, color filter, method for producing color filter, and display device
- the present invention relates to an inkjet ink for a color filter, a method for producing a color filter using the ink, a color filter obtained by the production method, and a display device provided with the color filter.
- Such a color filter usually includes a coloring pattern of three primary colors of red (R), green (G), and blue (B).
- the liquid crystal operates as a shirt by turning off the electrodes corresponding to the R, G, and B pixels, and each of R, G, and B Color display is performed by passing light through the pixels.
- a dyeing method As a conventional method for producing a color filter, for example, a dyeing method may be mentioned.
- a water-soluble polymer material which is a dyeing material, is first formed on a glass substrate, patterned into a desired shape by a photolithography process, and then the obtained pattern is immersed in a dyeing bath. To get a colored pattern. This process is repeated three times to form R, G, and B color filter layers.
- a pigment dispersion method there is a pigment dispersion method.
- a photosensitive resin layer in which a pigment is dispersed is formed on a substrate, and a single color pattern is obtained by patterning the photosensitive resin layer. Further, this process is repeated three times to form R, G, and B color filter layers.
- Still other methods include an electrodeposition method, a method in which a pigment is dispersed in a thermosetting resin, R, G, and B are printed three times, and then the resin is thermoset. it can.
- R, G, and B thermosetting resin
- Patent Document 1 As a method of manufacturing a color filter that solves these problems, a method of forming a colored layer (pixel portion) by spraying colored ink by an inkjet method has been proposed (Patent Document 1).
- Patent Document 1 when using ink with good wettability with respect to the glass substrate, a method of printing a convex portion that forms a boundary in advance with a substance with poor wettability with respect to the ink, or wet with respect to the glass.
- poor ink and ink a method is disclosed in which a pattern is formed in advance with a material having good wettability with ink, and the ink is fixed.
- controlling the glass substrate and the convex part that forms the boundary with ink affinity and ink repellency is effective in controlling color mixing between pixels and ink wettability.
- the shape of itself becomes convex if it is convex, and the flatness of the pixel portion cannot be obtained. In such a case, there arises a problem that the color density in the pixel varies and the display quality of the image is remarkably deteriorated.
- Patent Document 2 discloses a method of obtaining a flatness of a pixel portion by providing a flattening layer in the pixel portion.
- the above document describes a method of exposing from the substrate side and adjusting the degree of hardening of the flattening layer according to the thickness of the pixel portion to impart flatness.
- variations in color density in the pixel portion are described. As for, it has not been resolved at all.
- Patent Document 3 discloses a method of forming a film-like protective layer by transfer, but similarly, the variation in color density in the pixel portion is eliminated, and this is a problem.
- Patent Document 4 discloses an ink having a color pigment and an extender pigment as an ink that imparts flatness to a pixel portion.
- the weight ratio of resin to pigment, the weight ratio of colored pigment to extender pigment, and the solid content in the ink are also mentioned.
- Patent Document 5 discloses a method of imparting flatness such as force S without adjusting the density in the pixel portion using dark and light inks. However, the process becomes complicated and sufficient flatness cannot be obtained.
- Patent Documents 6, 7, and 8 a method for obtaining flatness by controlling the dry state of the pixel portion is disclosed.
- Patent Document 6 the pixel portion is exposed by exposing before the ink is dried. It is described that the flatness can be obtained.
- Patent Document 7 describes a method of drying at a higher temperature as the viscosity of the ink is higher.
- Patent Document 8 describes a method of adjusting the drying conditions according to the shape of the pixel.
- the method of 7 does not provide sufficient flatness, and the method of Patent Document 8 is impractical when considering actual production.
- Patent Documents 9 and 10 disclose a color filter in which the end of the pixel portion has a thickness of 80% or more of the highest portion, but no means for obtaining flatness is disclosed.
- Patent Document 11 discloses a method of repeating ink droplet ejection and drying many times in order to prevent ink from overflowing from a recess surrounded by a partition wall and mixing with other pixels. Although the above method can prevent color mixing in the pixel portion and at the same time improve the flatness of the pixel portion, the process becomes complicated and is not suitable for actual manufacturing.
- Patent Document 1 Japanese Patent Laid-Open No. 59-75205
- Patent Document 2 JP-A-8-304619
- Patent Document 3 Japanese Patent Laid-Open No. 10-197719
- Patent Document 4 Japanese Patent Laid-Open No. 9132740
- Patent Document 5 Japanese Unexamined Patent Application Publication No. 2004-177867
- Patent Document 6 Japanese Patent Application Laid-Open No. 11 142641
- Patent Document 7 Japanese Patent Laid-Open No. 2002-372613
- Patent Document 8 Japanese Unexamined Patent Publication No. 2003-266003
- Patent Document 9 Japanese Patent Laid-Open No. 2002-148429
- Patent Document 10 Japanese Patent Application Laid-Open No. 2002-156520
- Patent Document 11 Japanese Unexamined Patent Application Publication No. 2004-325736
- the present invention has been made in view of the above-described conventional problems, and is excellent in color filter productivity, and has a uniform display with small variations in flatness and color density in the pixel portion.
- Ink-jet ink for color filters capable of producing a color filter with excellent quality, a method for producing a color filter using this ink, and a color filter obtained by this production method
- An object is to provide a filter and a display device including the color filter.
- a first aspect of the present invention is an inkjet ink for a color filter containing at least a monomer having two or more colorants, an organic solvent and a polymerizable group, wherein the inkjet ink for a color filter is an average.
- the viscosity of the remaining ink obtained by drying for 8 hours under the conditions of 5 mmHg (0.667 kPa) and 45 ° C with the thickness set at lmm is 40 mPa's or more and 4 OOOmPa ⁇ s or less at 25 ° C.
- An ink-jet ink for a color filter is provided.
- droplets of the inkjet ink for a color filter according to the first aspect of the present invention are applied to a recess surrounded by a partition formed on a substrate by an ink jet method.
- a colored layer is formed, and a method for producing a color filter is provided.
- a third aspect of the present invention provides a color filter produced by the method for producing a color filter according to the second aspect of the present invention.
- a fourth aspect of the present invention provides a display device comprising the color filter according to the third aspect of the present invention.
- a color filter that is excellent in productivity of a color filter, can produce a color filter excellent in flatness of the pixel portion, and small unevenness of color density in the pixel portion and uniform display quality.
- An inkjet ink for a filter, a method for producing a color filter using the ink, a color filter obtained by the production method, and a display device including the color filter are provided.
- the ink-jet ink for color filter of the present invention (hereinafter sometimes referred to as “ink-jet ink of the present invention”) is a monomer having two or more colorants, organic solvents and polymerizable groups.
- Ink-jet ink for color filter containing at least one, and obtained by drying the ink-jet ink for color filter for 8 hours under conditions of 5 mmHg (0.667 kPa) and 45 ° C with an average thickness of 1 mm.
- the viscosity of the remaining ink is 40 mPa's or more and 4 OOOmPa's or less at 25 ° C.
- the inkjet ink of the present invention may contain a dispersant, a binder, a photopolymerization initiator, a thermal polymerization initiator, a surfactant, or other additives within a range that satisfies the above viscosity.
- the ink-jet ink of the present invention contains an organic solvent as an essential component, and the viscosity of the remaining ink obtained by drying for 8 hours under the conditions of 5 mmHg (0.667 kPa) and 45 ° C with an average thickness of 1 mm is 25 °. In C, it is 40 mPa's or more and 4000 mPa's or less.
- the average thickness is a thickness obtained by calculation from the container bottom area and the ink volume.
- the viscosity of the remaining ink at 25 ° C is more preferably 50 mPa's to 3000 mPa's, more preferably 50 mPa's to 2000 mPa's, and even more preferably 50 mPa's to 50 mPa's. It is particularly preferred that it is not more than lOOOmPa's. If the viscosity of the remaining ink is within the above range, the pixel portion (colored layer) has fluidity even after the organic solvent is dried, so that a flat pixel portion (colored layer) can be obtained.
- the “ink residue” in the present invention was obtained by drying an ink-jet ink for a color filter under conditions of 5 mmHg (0.667 kPa) and 45 ° C. for 8 hours with an average thickness of 1 mm. Refers to the residue.
- a viscoelasticity measuring device for example, color filter ink-jet ink is placed in an aluminum tray with an average thickness of lmm and vacuum dried at 45 ° C for 8 hours (0 67kPa), and the resulting residue (residual ink residue) can be collected in an aluminum pan using a chemical sag and used as a sample.
- Viscoelasticity measurement using a viscoelasticity measuring device can be performed using, for example, a viscoelasticity measuring device DynAlyser DAS-100 manufactured by Jasco International Cotd under the conditions of a temperature of 25 ° C and a frequency of 1 Hz.
- the viscosity of the remaining ink may be measured using a laser pickup method.
- the laser pick-up method is a method for measuring the viscosity from the response speed of the surface of the pasty compound to changes in the electric field.
- a color filter inkjet ink is applied to a glass plate with a spinner, and the temperature is 45 ° C.
- a strong laser beam approximatelyx. 0.6 W
- the sample interface is deformed by several nm.
- the amount of deformation is very small, but the curvature near the center is large enough to be detected using light.
- a double-wave YAG laser is used as pump light to induce deformation at the sample interface, and a sufficiently weak He-Ne laser is used as probe light to detect deformation. Since the probe light irradiated on the surface spreads and returns due to the deformation curvature of the sample surface, the surface deformation information can be obtained by cutting out a part of this and observing the intensity change.
- the sample surface rises following it and returns to the original flat state. Since a sample with high viscosity requires time for this deformation, the viscosity is measured from the deformation speed. In addition, since the deformation amount itself is mainly determined by the surface tension, viscosity information can be obtained from the change in signal intensity.
- the colorant used in the inkjet ink of the present invention known pigments such as organic pigments, inorganic pigments, and dyes can be used. However, sufficient transmission concentration is sufficient for light resistance, adhesion to a substrate, and other various resistances. Therefore, various organic pigments are suitable. Specific examples of the colorant include pigments and dyes described in JP-A-2005-17716, [0038] to [0054], and JP-A 2004-361447, described in [0068 co- [0072]. Pigments and colorants described in JP-A-2005-17521, [0080] to [0088] can be preferably used. Among these, pigments are particularly preferable from the viewpoint of storage stability of pixels.
- the content of the colorant in the present invention is not particularly limited, but from the viewpoint of obtaining a desired hue and density, the ratio of the colorant in the remainder of the ink is preferably 20% by mass or more, 20 to 70 mass 0/0 force S more preferably, more preferably 25 to 60 weight 0/0 force, particularly preferably 30 to 50 mass%.
- the pigment combinations described above that are preferably used in combination are CI Pigment 'Red 254, CI Pigment' Red 177, CI Pigment 'Red 224, CI Pigment' Yellow 139, or CI Pigment 'Combination with Violet 23 Is mentioned.
- CI Pigment 'Green 36' may be a combination of CI Pigment 'Yellow 150, CI Pigment' Yellow 139, CI Pigment 'Yellow 185, CI Pigment' Yellow 1 38 ', or CI Pigment' Yellow 180 '.
- CI Pigment 'Blue 15: 6 includes CI Pigment' Violet 23 or CI Pigment 'Blu 60.
- CI pigment in the pigment when used in this way Red 254, CI pigment 'Green 36, CI pigment' Bonore 1 15: 6 content f, CI pigment red 254f, 60% by weight or more is preferred Particularly preferred is 70% by mass or more.
- C. I. Pigment 'Green 36 is preferably 50% by mass or more, particularly preferably 60% by mass or more.
- C. I. Pigment 'Blue 15: 6 is preferably 80% by mass or more, particularly preferably 90% by mass or more.
- the pigment used in the present invention preferably has a number average particle size of 0.001 to 0.1 ⁇ m.
- the number average particle diameter of the pigment is not less than 0.001 xm, it is preferable because the surface energy of the particles becomes small and the particles are aggregated, and the pigment dispersion becomes easy and it becomes easy to keep the dispersion state stable. . Further, it is preferable that the number average particle diameter of the pigment is 0.1 zm or less because the polarization is not canceled by the pigment, and the contrast is improved.
- the “particle size” as used herein refers to the diameter when the electron micrograph image of the particle is a circle of the same area, and the “number average particle size” refers to the above-mentioned particle size for a number of particles. Say this 100 average value.
- the pigment is desirably used as a dispersion.
- This dispersion can be prepared by dispersing, using a known disperser, a composition obtained by previously mixing the pigment, a pigment dispersant described later, and an organic solvent. At this time, a small amount of resin may be added to impart dispersion stability of the pigment. It is also possible to prepare the composition obtained by premixing the pigment and the pigment dispersant by adding to a monomer described later and dispersing it.
- the disperser used for dispersing the pigment is not particularly limited.
- pigment dispersant it is preferable to add a pigment dispersant to the inkjet ink of the present invention.
- the amount used is preferably 0.1 to 10% by mass based on the total mass of the ink-jet ink, and it is preferable to contain a dispersant 0.:! To 9% by mass is more preferable 0.:! A range of 8% by weight is particularly preferred.
- the pigment dispersant examples include a hydroxyl group-containing carboxylic acid ester, a salt of a long chain polyaminoamide and a high molecular weight acid ester, a salt of a high molecular weight polycarboxylic acid, a salt of a long chain polyaminoamide and a polar acid ester, a high molecular weight unsaturated ester, Polymer copolymer, modified polyurethane, modified polyacrylate, polyether ester type anionic activator, naphthalene sulfonate formalin condensate salt, aromatic sulfonate formalin condensate, polyoxyethylene alkyl phosphate ester, polyoxy Ethylene nouryl phenyl ether, stearylamine acetate, pigment derivatives and the like can be used.
- the monomer having two or more polymerizable groups used in the inkjet ink of the present invention (hereinafter sometimes referred to as a bifunctional or higher monomer) is particularly limited as long as it can be polymerized by active energy rays and / or heat.
- a monomer having three or more polymerizable groups (hereinafter sometimes abbreviated as a tri- or higher functional monomer) is more preferable from the viewpoint of film strength and solvent resistance.
- the proportion of the tri- or higher functional monomer in the whole monomer is preferably 20% by mass or more, more preferably 30% by mass or more.
- the tri- or higher functional monomer those having a viscosity at 25 ° C. of 700 mPa ′s or less are preferred, and those having a viscosity of 200 mPa ′s or less are more preferred.
- the type of the polymerizable group is not particularly limited, but since the viscosity of the polymerizable monomer itself increases as the number of functional groups increases, it is preferable that the viscosity of the functional group itself is low.
- a group, a methacryloyloxy group, and an epoxy group are particularly preferable.
- tri- or higher functional polymerizable monomer examples include JP-A-2001-350012.
- trimethylolpropane tritalylate trimethylolpropane P0 (propylene oxide) -modified tritalylate
- trimethylolpropane E0 ethylene oxide
- pentaerythritol tetraatalyte Powers that can be used include, rate, trimethylolpropane trimetatalylate, pentaerythritol retriate acrylate, glyceronor polyglycidinoreatenore, diglyce mouthwater polyglycidyl ether, trimethylolpropane polyglycidyl ether, etc. It ’s not what is done. It is also possible to use two or more types of the above trifunctional monomers.
- a monofunctional monomer or a bifunctional monomer may be used in combination as appropriate for the purpose of reducing the viscosity of the remaining ink and promoting the polymerization reaction in the pixel portion.
- these monofunctional monomers and bifunctional monomers include monofunctional epoxy group-containing monomers described in paragraph No. [0065] of JP-A-2001-350012, and paragraph No. of JP-A-2002-371216.
- a high-viscosity monomer such as a high-viscosity polyfunctional monomer having a viscosity at 25 ° C of 700 mPa's or more or urethane acrylate is used.
- a small amount of oligomers may be used in combination.
- polyfunctional monomers highly polar monomers, and oligomers that are preferable for use in combination, general-purpose monomers that are not particularly limited can be used.
- the amount of addition of these combined monomers can be adjusted as appropriate within the range where the viscosity of the remaining ink is 4000 mPa's or less at 5 °
- the amount of the monomer used is preferably 30% by mass or more, preferably 40% by mass or more, more preferably 20% by mass or more based on the solid content of the ink.
- the amount of the monomer used is 20% by mass or more, the pixel portion is sufficiently polymerized, so that scratches due to insufficient film strength of the pixel portion are less likely to occur or when a transparent conductive film is applied. Reticulation occurs, and the solvent resistance when providing an alignment film is improved.
- the following method can be used to adjust the viscosity of the remaining ink at 25 ° C to 40 mPa's or more and 4000 mPa's or less.
- a monomer having a lower viscosity can be used as the monomer to be used.
- the use of a high molecular weight or highly polar resin as the noder component can be reduced to reduce the high viscosity component in the ink.
- there is a method of selecting an optimum dispersant for the pigment and reducing the viscosity of the pigment dispersion Among these, it is effective to use a monomer having a low viscosity.
- the organic solvent examples include water-soluble organic solvents such as alcohols and water-insoluble organic solvents such as esters and ethers. If the solvent is a water-soluble organic solvent, the binder or monomer used must be water-soluble. Since these water-soluble binders and monomers have polar groups, the viscosity of the remaining ink after removal of the water-soluble organic solvent becomes high, and it becomes difficult to flatten the shape of the color filter pixels.
- organic solvents that have a low boiling point and can be easily removed from the inkjet ink usually evaporate quickly on the inkjet head, increasing the viscosity of the ink on the head, etc. In many cases, it causes discharge and deterioration of discharge performance.
- organic solvents having a boiling point of 160 ° C. or higher at normal pressure it is preferable to contain at least an organic solvent having a boiling point of 160 ° C. or higher at normal pressure.
- the proportion of these organic solvents in the inkjet ink of the present invention is 40% by mass or more. More preferable is 50% by mass or more, more preferable is 60% by mass or more. If the organic solvent occupies 40% by mass or more, the amount of ink ejected in one pixel increases, so that wetting and spreading of ink in the pixel does not become insufficient, and flatness is improved.
- the ink-jet ink of the present invention is preferably composed of a compound in which 50% by mass or more of the organic solvent contained has a boiling point of 160 ° C or higher at 760 mmHg dOl.
- a compound in which 50% by mass or more of the organic solvent contained has a boiling point of 160 ° C or higher at 760 mmHg dOl.
- an organic solvent having a boiling point of 160 ° C. or higher at room temperature JP-A 2000-3107 06 [003 :! ]
- high-boiling solvents alkylene glycol acetate, alkylene glycol diacetate, and the like.
- dipropylene glycol mono-methylol Honoré ether Honoré propylene glycol Kono registration acetate, dipropylene glycol Honoré mono methylation ether acetate, propylene glycol - n _ butyl ether acetate, dipropylene glycol Honoré mono one n- butyl Honoré ether Honoré, Tripropylene glycolenoremethylolate tenole acetate, diethylene glycolenomonobutinoreateolate, 1,3-butanediol / residue acetate, dipropylene glycol n-propyl ether acetate, propylene strength-bonate, diethylene glycolenolemonobutenoateolate
- Particularly preferred are acetate, dipropylene glycol, one-loop n-butyl ether acetate, and the like.
- the upper limit of the boiling point of the organic solvent is not particularly limited as long as a color filter can be produced by the ink jet method using the inkjet ink of the present invention. From the viewpoint of operability in the filter manufacturing process, an organic solvent having a boiling point of 290 ° C or lower, preferably 280 ° C or lower, and a liquid having a relatively low viscosity at room temperature (20 ° C) is desired. .
- a polymerization initiator may be used in combination for the purpose of promoting the polymerization reaction of the monomer.
- a photopolymerization initiator is used when the pixel portion is polymerized by active energy rays
- a thermal polymerization initiator is used when the pixel portion is polymerized by heat.
- the photopolymerization initiator include those described in JP-A-2006-28455, paragraphs [0079] to [0088], and preferred specific examples include 2_trichloromethyl_5__styryl.
- the thermal polymerization initiator generally known organic peroxide compounds and azo compounds can be used. As a result, the strength of the pixel portion can be improved.
- a curing catalyst such as imidazole can also be used.
- the organic peroxide compound and the azo compound can be used in combination of two or more in addition to the single use.
- the organic peroxide is a derivative of hydrogen peroxide (H_0_ ⁇ _H), which is an organic compound having a ten-one bond in the molecule.
- ketone peroxides baroxyketals, hydrated peroxides, dialkyl peroxides, disilver oxides, peroxyesterols, peroxydicarbonates and the like can be mentioned.
- t_butylperoxyisobutyrate 1,1,3,3-tetramethylbutylperoxy-2-ethyl hexanoate, t-hexyloxyisopropyl monocarbonate, 2,5_dimethylol 1,2,5_bis (2-ethylhexylperoxy) hexane, t-butylenoperoxy_2_ethylhexanoate, t_butylperoxymaleic acid, cyclohexanone peroxide, methylacetate Acetate peroxide, methylhexanone peroxide, acetylacetone peroxide, 1, 1 _bis (t-hexylperoxy) cyclohexane, 1,1 _bis (t_butylperoxy) _ 3, 3, 5 Trimethyl Cyclohexane, 1, 1 bis (t butylperoxy) -2-methylcyclohexane, 1, 1 bis (t butylperoxy)
- 2, 2_bis (4,4-di_t_butylperoxycyclohexyl) propanketal compounds such as propane, disilveroxide compounds such as benzoyl peroxide, t_ Peroxyester compounds such as butylperoxybenzoate are preferred.
- Examples of the azo compound include paragraph number [00 2 :! in JP-A-5-5014. ] To [0023].
- a compound that has a high decomposition temperature and is stable at room temperature is preferable, and is a compound that decomposes when heated to generate radicals and serves as a polymerization initiator.
- organic peroxide compounds or azo compounds (thermal polymerization initiators) those with a relatively high half-life temperature (preferably 50 ° C or higher, more preferably 80 ° C or higher) are used.
- the viscosity of the composition can be suitably configured without a change with time, and for example, azobis (cyclohexane-1 carbonitryl) is preferred, and examples thereof include a repetitive thermal polymerization initiator.
- the content of the photopolymerization initiator and / or the thermal polymerization initiator is preferably from 0.5 to 20% by mass, more preferably from 1 to 15% by mass, based on the amount of the monomer. If the content of the polymerization initiator is 0.5% by mass or more based on the monomer, the effect as a polymerization initiator can be sufficiently exerted, and if it is 20% by mass or less, the viscosity of the inkjet ink can be increased. Changes in time can be suppressed, and coloring caused by decomposition products of the polymerization initiator can be prevented.
- These initiators can be used alone or in combination of two or more.
- a binder, a surfactant, and other additives may be used in combination as long as the ink remainder does not lose fluidity at 25 ° C.
- binders used in combination include binder resins described in paragraphs [0015] to [0030] of JP-A No. 2000-310706 and paragraph Nos. [004 :! of JP-A No. 2001-350012]. ] To [0050] And the binders described.
- the surfactants disclosed in 003-337424 and JP-A-11-133600 are preferred.
- the content of the surfactant is preferably 5% by mass or less based on the total amount of the inkjet ink.
- the method for producing a color filter of the present invention is characterized in that a colored layer is formed by applying droplets of the inkjet ink of the present invention to a recess surrounded by a partition formed on a substrate by an inkjet method. .
- the method for producing a color filter of the present invention includes a step of forming a colored layer by applying the inkjet ink of the present invention described above to a recess surrounded by a partition wall by an inkjet method (hereinafter, referred to as a color layer).
- the method further comprises a curing step of curing the formed colored layer of at least one color by irradiation of active energy rays, and a curing step of curing by heat after forming all of the colored layers having a desired hue. It can be configured by providing other processes such as baking as necessary.
- the partition walls are formed on the substrate in advance before the colored layer forming step, and details of the method for forming the partition walls will be described later.
- droplets of the inkjet ink of the present invention are applied to the recesses between the partition walls (dark color separation walls) by the inkjet method to form a colored layer.
- This colored layer is a color pixel of red (R), green (G), blue (B), etc. constituting the color filter.
- the colored layer is formed by inserting an inkjet ink for forming colored pixels (for example, RGB three-color pixel pattern) into the recesses surrounded by the partition formed on the substrate as described above. It can be formed of a plurality of pixels of colors or more.
- an inkjet ink for forming colored pixels (for example, RGB three-color pixel pattern) into the recesses surrounded by the partition formed on the substrate as described above. It can be formed of a plurality of pixels of colors or more.
- a known method such as a method of thermally curing ink, a method of photocuring, or a method of ejecting droplets after forming a transparent image receiving layer on a substrate in advance is used.
- the shape of the color filter pattern is not particularly limited, and may be a general stripe shape as a black matrix shape, a lattice shape, or a delta arrangement.
- the ink jet method a method in which charged ink jet ink is continuously ejected and controlled by an electric field, a method in which ink is intermittently ejected using a piezoelectric element, a method in which ink is heated and foamed is used.
- Various methods such as a method of intermittent injection can be employed.
- the injection condition of the ink jet ink is that it is preferable from the viewpoint of the injection stability that the ink jet ink is heated to 30 to 60 ° C, and the ink viscosity is lowered to be emitted.
- Ink-jet inks generally have higher viscosities than aqueous inks, so the viscosity fluctuation range due to temperature fluctuations is large. It is important to keep the ink-jet ink temperature as constant as possible because viscosity fluctuations directly affect the droplet size and droplet ejection speed, and cause image quality degradation.
- the thermal head is preferably a type having an operating valve as described in JP-A-9323420 for discharging.
- the piezo head for example, the heads described in European Patent A277, 703, European Patent A278, 590, etc. can be used. Among these, the piezo head is more preferable because the influence of heat on the ink-jet ink can be reduced and the selection of usable organic solvents is wide.
- the head preferably has a temperature control function so that the ink temperature can be controlled.
- the injection temperature is set so that the viscosity at the time of ejection is 5 to 25 mPa • s, and to control the ink temperature so that the fluctuation range of the viscosity is within ⁇ 5%.
- the drive frequency is preferably 1 to 500kHz.
- the shape of Nozunore doesn't have to be circular, but it doesn't have to be in the shape of an ellipse or rectangle.
- Nozole diameter is preferably in the range of 10 to: 100 zm.
- the nozzle opening itself is not necessarily a perfect circle. In this case, the nozzle diameter is assumed to be a circle equivalent to the area of the opening.
- the color filter in the present invention is preferably in the form of a group consisting of three colored layers by spraying RGB three colors of ink.
- the process of irradiating the remaining ink with an active energy ray hereinafter referred to as the first curing process
- the process of irradiating the remaining ink with an active energy ray hereinafter referred to as the first curing process
- a step of heating the remaining ink portion hereinafter sometimes referred to as a second curing step
- preheating (hereinafter sometimes referred to as a preheating step) is performed at a temperature lower than T ° C to form the droplets.
- the ink residue is polymerized by irradiating the ink residue with active energy rays and heating the Z or ink residue at a temperature of T ° C or higher.
- a colored layer may be formed.
- a step (first curing step) of irradiating and curing at least one colored layer formed in the colored layer forming step with active energy rays can be provided.
- a cured colored layer can be formed by curing the inkjet ink of the present invention of each color including red (R), green (G), and blue (B). Curing may be performed each time one colored layer is formed, or may be performed after a plurality of colored layers are formed.
- Curing of the ink-jet ink according to the present invention is performed using an energy source that emits an active energy ray in a wavelength region corresponding to the photosensitive wavelength of the ink to perform an exposure process that promotes polymerization curing. You can do it.
- Examples of the energy source include ultraviolet rays of 400 to 200 nm, far ultraviolet rays, g rays, h rays, i rays, KrF excimer laser rays, ArF excimer laser rays, electron rays, X rays, molecular rays, or ions.
- a beam, such as a beam, to which the above-described polymerization initiator is sensitive can be appropriately selected and used.
- Specific white light (wavelength of 250 to 450 nm, preferably wavelength of 365 ⁇ 20 nm)
- Light source that emits active light for example, LD, LED (light emitting diode), fluorescent lamp, low-pressure mercury lamp, high-pressure mercury lamp, metal ⁇ It can be suitably performed using a ride lamp, a carbon arc lamp, a xenon lamp, a chemical lamp, etc.
- Preferred light sources include an LED, a high-pressure mercury lamp, and a metal halide lamp.
- the irradiation time of the active energy ray can be appropriately set according to the combination of the monomer and the polymerization initiator, and can be, for example,:! To 30 seconds.
- a step (second curing step) of curing all the colored layers having a desired hue including red (R), green (G), and blue (B) by heat. can be provided.
- R red
- G green
- B blue
- a colored layer and partition walls having a desired hue are formed, and after the first curing step, a heat treatment (La, so-called beta treatment) is performed to cure by heat.
- a heat treatment (La, so-called beta treatment) is performed to cure by heat.
- the substrate on which the colored layer and the partition wall photopolymerized by light irradiation are formed can be heated in an electric furnace, a dryer or the like, or can be heated by irradiating an infrared lamp.
- the heating temperature and heating time at this time depend on the composition of the inkjet ink and the thickness of the colored layer, but are generally about 120 ° from the viewpoint of ensuring sufficient solvent resistance, alkali resistance, and ultraviolet absorbance. Heating at C to about 250 ° C for about 10 minutes to about 120 minutes is preferred.
- a preliminary heating step may be provided before the pixel portion is polymerized by exposure to active energy rays and / or heat treatment.
- the heating temperature in the preheating step there is no particular limitation on the heating temperature in the preheating step, but when the temperature at which the thermal polymerization of the pixel portion starts is T ° C, the temperature is lower than T ° C and the temperature at which the pixel portion does not undergo polymerization. Preferred is 50 ° C or higher and 100 ° C or lower, and more preferred is 60 ° C or higher and 90 ° C or lower.
- the preheating step is effective not only for ink that polymerizes by heat but also for ink that is polymerized by light as long as the remaining ink portion has fluidity as in the present invention.
- the ink initiates thermal polymerization.
- the temperature T means a temperature at which a photopolymerization initiator or the like is decomposed by heat to start a polymerization reaction, or a temperature at which a monomer itself is decomposed by heat to start a polymerization reaction.
- the time for the preheating step is not particularly limited, but it is preferable to carry out for:! To 5 minutes.
- the temperature ⁇ can be obtained as follows.
- the temperature at which the ink is heated and the polymerization of the ink is started by heating and the ink gel is observed is defined as ⁇ . More specifically, the heating temperature when the increase in ink viscosity after heating is 5 mPa's or more with respect to the ink viscosity before heating is ⁇ .
- the process from the colored layer forming step to the preliminary heating step, the first curing step, and the second curing step can be performed within 24 hours. Preferable Performed within 12 hours. More preferred Performed within 6 hours.
- a colored layer is formed by applying droplets of the inkjet ink of the present invention to a recess surrounded by a partition formed on a substrate by an inkjet method.
- Any partition may be used, but in the case of producing a color filter, a partition having a black matrix function and a light shielding property is preferable.
- the partition walls can be produced by the same materials and methods as those of known black matrixes for color filters.
- paragraph numbers [0021] to [0074] of JP-A No. 20 05-3861, black matrixes described in paragraph numbers [0012] to [0021] of JP-A No. 2004-240039, and JP-A 2006- Inkjet black matrix described in paragraph Nos. [0015] to [0020] of No. 17980 and paragraph Nos. [0009] to [0044] of JP-A No. 2006-10875 can be mentioned.
- the photosensitive resin transfer material is a material in which at least a light-shielding resin layer is provided on a temporary support, and can be pressed to a substrate to transfer the light-shielding resin layer to the substrate.
- a photosensitive resin transfer material is a photosensitive resin described in JP-A-5-72724. It is preferable to use a transfer material, that is, an integrated film.
- a transfer material that is, an integrated film.
- the constitution of the solid film include a temporary support / thermoplastic resin layer / intermediate layer / photosensitive resin layer (in the present invention, the “photosensitive resin layer” refers to a resin that can be cured by light irradiation. When it has light-shielding properties, it is also referred to as a “light-shielding resin layer”, and when it is colored in the desired color, it is also referred to as a “colored resin layer”.) Z Protective films are laminated in this order. .
- thermoplastic resin layer for the preparation of the temporary support, the thermoplastic resin layer, the intermediate layer, the protective film, and the transfer material constituting the photosensitive resin transfer material, paragraph numbers [00 23] to [0066] of JP-A-2005-3861
- the thing described in] is mentioned as a suitable thing.
- the partition may be subjected to an ink repellent treatment in order to prevent color mixing of the inkjet ink.
- an ink repellent treatment for example, (1) a method of kneading an ink repellent substance into a partition wall (for example, see JP-A-2005-36160), (2) a method of newly providing an ink repellent layer (for example, (See JP-A-5-241011), (3) Method of imparting ink repellency by plasma treatment (for example, see JP-A-2002-62420), (4) Applying an ink-repellent material to the upper surface of the partition wall A method (for example, see JP-A-10-123500).
- (3) a method of performing an ink repellent treatment with plasma on a partition formed on a substrate is preferable.
- an overcoat layer is formed so as to cover the entire surface of the colored region and the partition for the purpose of improving the durability. can do.
- the overcoat layer can protect the colored regions such as R, G, and B and the partition walls, and can flatten the surface. However, it is preferable not to provide from the point which the number of processes increases.
- the overcoat layer can be constituted by using a resin (o-c agent), and examples of the resin (OC agent) include an acrylic resin composition, an epoxy resin composition, and a polyimide resin composition. Above all, it is excellent in transparency in the visible light region, and the resin component of the photocurable composition for color filters is usually mainly composed of an acrylic resin, and is excellent in adhesion, so an acrylic resin composition is desirable. .
- the overcoat layer include those described in paragraphs [0018] to [0028] of JP-A-2003-28718 and sales of overcoat agents. An example of this is the Optoma 1 SS6699G manufactured by JSR.
- the color filter of the present invention is produced by the above-described method for producing a color filter of the present invention.
- a television, a personal computer, a liquid crystal projector, a game machine, a mobile terminal such as a mobile phone, a digital It can be suitably applied to applications such as cameras and car navigation systems without particular limitation.
- at least one of color pixels such as red (R), green (G), and blue (B) is formed by the ink-jet ink for color filter of the present invention. .
- the display device of the present invention is not particularly limited as long as it includes the color filter of the present invention described above, and display devices such as liquid crystal display devices, plasma display display devices, EL display devices, CRT display devices, etc. Can be mentioned.
- display devices such as liquid crystal display devices, plasma display display devices, EL display devices, CRT display devices, etc. Can be mentioned.
- the definition of display devices and explanation of each display device are, for example, “Electronic Display Device (Akio Sasaki, published by Industrial Research Institute 1990)”, “Display Device (written by Junaki Ibuki, Sangyo Tosho Co., Ltd.) Issue)).
- a liquid crystal display device is particularly preferable.
- Liquid crystal display devices are described in, for example, “Next Generation Liquid Crystal Display Technology (edited by Tatsuo Uchida, published by Kogyo Kenkyukai 1994)”.
- the liquid crystal display device to which the present invention can be applied is not particularly limited. For example, it can be applied to various types of liquid crystal display devices described in “Next-generation liquid crystal display technology”.
- the present invention is particularly effective for a color TFT liquid crystal display device.
- a color TFT liquid crystal display device is described in, for example, “Karaichi TFT liquid crystal display (issued in 1996 by Kyoritsu Publishing Co., Ltd.)”.
- the present invention can be applied to a liquid crystal display device with a wide viewing angle such as a lateral electric field drive method such as IPS and a pixel division method such as MVA.
- a lateral electric field drive method such as IPS
- a pixel division method such as MVA.
- the liquid crystal display device includes various members such as an electrode substrate, a polarizing film, a retardation film, a backlight, a spacer, and a viewing angle compensation film.
- various members such as an electrode substrate, a polarizing film, a retardation film, a backlight, a spacer, and a viewing angle compensation film.
- ''94 LCD peripheral materials ⁇ Chemicals Kentaro CMC Co., Ltd., published in 1994) ”and“ 2003 Current Status and Future Prospects of LCD-Related Markets (Volume 2) ”(Table Yoshiyoshi, Fuji Chimera Research Institute Co., Ltd. published in 2003)”.
- the display device of the present invention includes ECB (Electrically Controlled Birefringence), TN (Twisted Nematic), IPS (In- Plane Switching), FLC (Ferroelectric Liquid Crystal) ⁇ OCB (Optically Compensatory Bend), STN (Supper Twist ed Nematic), VA (Vertically Aligned), HAN (Hybrid Aligned Nematic), and GH (Guest Host).
- the display device of the present invention is characterized by including the color filter as described above, whereby it can have a wide color reproduction range and a high contrast ratio with no display unevenness when mounted on a television or monitor.
- the display device of the present invention can be suitably used for a large-screen display device such as a personal computer display or a television monitor.
- a color filter inkjet ink comprising at least a colorant, an organic solvent, and a monomer having two or more polymerizable groups, wherein the color filter inkjet ink has an average thickness of 1 mm and a thickness of 5 mmHg
- An ink for color filters, wherein the viscosity of the ink residue obtained by drying for 8 hours under the condition of 0. 67 kPa) and 45 ° C is 40 mPa's or more and 4000 mPa's or less at 25 ° C.
- ⁇ 6> The inkjet ink for a color filter as described in ⁇ 1>, wherein the ratio of the organic solvent is 40% by mass or more.
- ⁇ 7> The inkjet ink for a color filter according to ⁇ 1>, wherein the monomer has a viscosity at 25 ° C. of 700 mPa's or less and has 3 or more polymerizable groups.
- the inkjet ink for a color filter according to ⁇ 1> wherein the polymerizable group is any one selected from the group consisting of an epoxy group, an talyloyloxy group, and a methacryloyloxy group.
- the polymerization initiator is 2, 4 bis (trichloromethyl) 6- [4 '— (N, N bisethoxycarbonylmethyl) amino-3'-bromophenyl] s triazine. > Ink-jet ink for color filter as described in>.
- a color layer wherein a colored layer is formed by applying droplets of the inkjet ink for a color filter according to claim 1 to a recess surrounded by a partition formed on a substrate by an inkjet method.
- a method for manufacturing a filter is
- the ink residue is polymerized by a step of irradiating the ink residue with active energy rays and / or a step of heating the ink residue.
- a display device comprising the color filter according to ⁇ 18>.
- the dark-colored composition K1 first uses K pigment dispersion 1 and propylene glycol monomethyl ether acetate in the amounts shown in Table 1 at a temperature of 24. Mixed with C ( ⁇ 2. C) and stirred at 150 rpm for 10 minutes, then the amount of methyl ethyl ketone, binder 2, hydrated quinone monomethyl ether, DPHA solution, 2, 4 (Trichloromethyl) _ 6 _ [4 '_ (N, N-bisethoxycarbonylmethyl) amino _ 3' _ bromophenyl] — s-triazine, surfactant 1 is weighed out, temperature 25 ° C ( ⁇ 2 ° C.), and the mixture was stirred at 150 rpm for 30 minutes at a temperature of 40 ° C. ( ⁇ 2 ° C.).
- Table 1 are parts by mass, and the details are as follows.
- Dispersant 1 (compound 1 below) 0.65%
- the alkali-free glass substrate was cleaned with a UV cleaning device, brushed with a cleaning agent, and then ultrasonically cleaned with ultrapure water.
- the substrate was heat treated at 120 ° C for 3 minutes to stabilize the surface state.
- the dark color prepared as described above with a glass substrate coater manufactured by FS Asia Co., Ltd., product name: MH-1600
- a glass substrate coater manufactured by FS Asia Co., Ltd., product name: MH-1600
- VCD vacuum dryer, manufactured by Tokyo Ohka Kogyo Co., Ltd.
- part of the solvent was dried to eliminate the fluidity of the coating layer, it was pre-betaged at 120 ° C. for 3 minutes to obtain a dark colored composition layer Kl having a thickness of 2 ⁇ m.
- KOH developer containing nonionic surfactant, trade name: CDK-1, Fujifilm Electronics Materials Co., Ltd. (100-fold diluted) 23.
- shower development was performed at a C80 second, flat nozzle pressure of 0.04 MPa, and a patterning image was obtained.
- ultrapure water was sprayed at a pressure of 9.8 MPa with an ultra-high pressure cleaning nozzle to remove the residue, and the dark composition layer K1 of the glass substrate at an exposure amount of 2500 mj / cm 2 in the atmosphere.
- a post-exposure was performed from the side where the film was formed to obtain a partition wall having an optical density of 3.9.
- the substrate on which the partition walls were formed was subjected to ink repellent plasma treatment under the following conditions using a force sword coupling type parallel plate type plasma processing apparatus.
- pigment dispersant 1 compound 1
- solvent (1,3-butanediol diacetate) hereinafter abbreviated as 1,3-BGDA
- 1,3-BGDA solvent (1,3-butanediol diacetate)
- 1,3-BGDA brominated phthalocyanine green
- motor mill M-50 manufactured by Aiga Japan Co., Ltd.
- Zirco Your Beads with a diameter of 0.65mm, at 9mZs peripheral speed
- the pigment dispersion for G (G2) was the same as the pigment dispersion for G (G1) except that the pigment and other components were mixed as shown in Table 2 in the pigment dispersion for G (G1) in Experimental Example 2.
- Pigment dispersions (Rl), (R2) and pigment dispersions (Bl), (B2) for B were prepared.
- 1,3_butanediol diacetate (1,3-BGDA; boiling point 232 ° C) 4.0 parts propylene glycol monomethyl ether acetate (PGMEA; boiling point 146 ° C)
- Aronitas M_ 309 (trimethylolpropane tritalylate, viscosity: 85 mPa's at 25 ° C) 12.0 parts, manufactured by Toagosei Co., Ltd.
- Thermal polymerization initiator V—40 Azobis (cyclohexane—1-carbonitryl) 0.6 part by Wako Pure Chemical Industries, Ltd.
- the surface tension of the ink B-1 was measured using a surface tension meter (FACE SURFACE TENSIOMETER CBVB-A3) manufactured by Kyowa Interface Science Co., Ltd.
- the surface tension was 25.4 mNZm (at 25.C). there were. ⁇ Measurement of viscosity of ink remainder>
- an inkjet head (SE) manufactured by Dimatix was placed in the region (the concave portion surrounded by the convex portion) divided by the partition wall of the color filter substrate obtained in Experimental Example 1. -128, head temperature 28 ° C), ink was ejected until the desired density was achieved, and a color filter consisting of B pattern was produced. After partitioning the image, the color filter was beta-cured in a 230 ° C oven for 30 minutes to completely cure both the partition walls and pixels. Note that the height of the partition walls after curing and the level difference between the pixel portions were 0.2 ⁇ .
- the shape of the pixel portion was observed using a non-contact type surface shape measuring device New View 6K (manufactured by Zygo), and a surface shape profile was calculated.
- the lowest part is A and the highest part is B, and the flatness is evaluated according to the following criteria based on the height difference (B ⁇ A), it is 0.0 3 ⁇ m, and the pixel has excellent flatness.
- B ⁇ A height difference
- Ink Bink 1 (ink 8_2 to 8_11) was prepared in the same manner as ink B-1, except that the monomer component in the ink was changed as shown in Table 3 in ink B_l of Experimental Example 3. Further, the physical properties of the ink were evaluated by the same method. The results are shown in Table 3.
- the inkjet ink for R was made in the same manner as the inkjet ink for B (ink B_1) except that the pigment dispersion and other components were blended as shown in Table 5.
- Ink (ink R_1) and ink jet ink for G (G_1) were prepared.
- R pixel part A Pixel part height difference (B-A): 0.05 ⁇
- G pixel part ⁇ Height difference of pixel part (B—A): 0.04 ⁇
- a transparent electrode made of ITO Indium Tin Oxide
- ITO Indium Tin Oxide
- a glass substrate was prepared as a counter substrate, and patterning was performed for the PVA mode on the transparent electrode and the counter substrate of the color filter substrate, respectively.
- a photospacer was provided in a portion corresponding to the upper part of the partition wall on the ITO transparent electrode, and an alignment film made of polyimide was further provided thereon.
- a UV curable resin sealant is applied by a dispenser method to a position corresponding to the outer wall of the partition wall that surrounds the pixel group of the color filter, and a liquid crystal for PVA mode is dropped to the opposite substrate. Then, the bonded substrate was irradiated with UV and then heat treated to cure the sealant.
- Polarizing plates HLC2-2518 made by Sanritz Co., Ltd. were attached to both surfaces of the liquid crystal cell thus obtained.
- a backlight of a cold cathode tube was constructed and placed on the side that would be the back side of the liquid crystal cell provided with the polarizing plate.
- ink G— was prepared in the same manner as Experimental Example 6 except that the pigment dispersion and other components were blended as shown in Tables 6-7. 3-8 were prepared.
- the number of polymerizable groups in M-220 is 3, 6, 3 and 2, respectively.
- Table 8 shows the results of evaluating the flatness of the pixel portion formed by the same method as in Experimental Example 6 using the inks R_3 to 8 and G_3 to 8 described above.
- Table 9 shows the results of evaluating the occurrence of reticulation (hereinafter abbreviated as “reticle”) during the IT ⁇ splattering of the ink of the present invention.
- the flatness of the pixel portion was evaluated by the method described in Experimental Example 4.
- the present invention is a.
- the color filter of the present invention in which the residual viscosity of the ink was 40 mPa's or more and 4000 mPa's or less at 25 ° C had good flatness.
- Table 9 shows that reticulation occurs during ITO sputtering when the monomer does not contain a monomer having 3 or more polymerizable groups.
- color filters 2 to 7 and corresponding liquid crystal display devices 2 to 7 were used in the same manner as in Experimental Example 6 except that the combinations shown in Table 10 were used as RGB inks. Was made.
- Color filter 1 Display device 1 R— 1 G-1 B-1 Color filter 2 Display device 2 R-1 G-4 B-5 Color filter 3 Display device 3 R-3 G-5 B-7 Color Filter 4 Display 4 R-4 G-1 B-2 Color filter 5 Display 5 R-5 G-3 B-4 Color filter 6 Display 6 R-6 G-6 B-9 Comparative example
- thermoplastic film layer with a dry film thickness of S14. 6 ⁇ on the temporary support, an intermediate layer with a dry film thickness of 1.6 / m, and a dark color with a dry film thickness of 2 / m.
- a composition layer was provided, and finally a protective film (thickness 12 / m polypropylene film) was pressure-bonded.
- a dark color photosensitive transfer material comprising a temporary support, a thermoplastic resin layer, an intermediate layer (oxygen barrier film) and a dark color composition layer is produced, and the sample name is dark color photosensitive transfer material K2. It was.
- the alkali-free glass substrate was cleaned with a rotating brush with nylon bristles while spraying a glass detergent solution adjusted to 25 ° C for 20 seconds with a shower.
- the silane coupling solution N— ⁇ (aminoethyl) ⁇ -aminopropyltrimethoxysilane 0.3 mass% aqueous solution, trade name: ⁇ 603, manufactured by Shin-Etsu Chemical Co., Ltd.
- This substrate was heated at 100 ° C. for 2 minutes by a substrate preheating apparatus.
- the cover film is removed from the dark color light-sensitive transfer material K2 produced by the above-described manufacturing method on the obtained silane coupling-treated glass substrate, and the surface of the dark color composition layer exposed after the removal and the silane coupling are obtained.
- Laminate (Hitachi Industries Co., Ltd. (Lamic II type)) was used to superimpose the surface of the treated glass substrate so that it was heated at 100 ° C for 2 minutes. Lamination was performed at a linear pressure of 100 N / cm and a conveyance speed of 2.2 m / min. Subsequently, the polyethylene terephthalate temporary support was peeled off at the interface with the thermoplastic resin layer to remove the temporary support.
- exposure is performed with a proximity type exposure machine (manufactured by Hitachi High-Tech Electronics Engineering Co., Ltd.) having an ultra-high pressure mercury lamp with the substrate and mask (quartz exposure mask with image pattern) standing vertically.
- the distance between the mask surface and the dark color composition layer was set to 200 ⁇ m, and pattern exposure was performed with an exposure amount of 70 mjZcm 2 .
- a triethanolamine developer (containing 30% by mass of triethanolamine, trade name: T — PD2, manufactured by Fuji Photo Film Co., Ltd., 12 times with pure water (diluted with 1 part by weight of T-PD2 and 11 parts by weight of pure water) at 30 ° C for 50 seconds, flat nozzle pressure
- pure water diluted with 1 part by weight of T-PD2 and 11 parts by weight of pure water
- flat nozzle pressure The thermoplastic resin layer and the intermediate layer were removed by shower development at 0 ⁇ 04 MPa.
- air was blown onto the upper surface of the substrate to drain the liquid, and then pure water was sprayed for 10 seconds in a shower to clean the pure water, and air was blown to reduce the liquid pool on the substrate.
- Na based developer sodium bicarbonate 0.38 mol / l, sodium carbonate 0.47 mol / l dibutyl sodium naphthalene sulfonate 5 wt 0/0, ⁇ two on surfactants, defoamers , Containing stabilizer, trade name: T1 CD1, Fuji Photo Film Co., Ltd. diluted 5 times with pure water
- T1 CD1 Fuji Photo Film Co., Ltd. diluted 5 times with pure water
- the surface energy inside and outside the pixel after the formation of the water-repellent resin layer was 10 to 15 dyne / cm outside the pixel (on the resin layer) and around 55 dyne / cm inside the pixel (on the glass substrate).
- the barrier ribs were prepared in the same manner as in Experimental Example 9 except that the dark color photosensitive transfer material K2 was changed to the following dark color photosensitive transfer material K3.
- the pixel part was colored with the ink R-1, G-1, and B-1, and then the power filter was beta-treated in an oven at 230 ° C for 30 minutes. Each pixel was completely cured to produce a color filter 10.
- the flatness of the RGB pixel portion was evaluated in the same manner as in Experimental Example 6, it was possible to obtain good flatness in the same manner as the color filter 1 for both RGB.
- a liquid crystal display device 10 was produced using the color filter 10 in the same manner as in Experimental Example 6.
- the dark color composition K1 was applied and dried using a slit nozzle. In this way, a dark color composition layer having a dry film thickness of 2. O zm was provided on the temporary support, and finally a protective film (12 ⁇ m thick polypropylene film) was pressure-bonded.
- a dark photosensitive transfer material having a solid color composition layer was produced, and the sample name was named dark photosensitive transfer material K3.
- Liquid crystal display devices 1 to 10 R, G, and B single color images were developed and 10 persons judged whether or not there was uneven color in an area of 10 cm X 10 cm.
- Table 11 shows the evaluation results.
- R pixel part A pixel part height difference (B—A): 0.06 x m
- G pixel part Height difference of A pixel part (B—A): 0.05 x m
- B pixel part A pixel part height difference (B—A): 0.07 z m
- Process A Heat-treat for 2 minutes in a 70 ° C oven.
- Process B Immediately after ink is deposited, heat-treat in a 150 ° C oven for 2 minutes.
- Step C Ink is deposited and dried for 10 minutes under 5 mmHg (0.67 kPa) condition, and then heat-treated in a 150 ° C oven for 2 minutes.
- Table 12 shows the evaluation results of flatness.
- Ink B-1 Ink B-1 13: 15: Change the solvent composition so that the ratio of 1,3—BGDA (high boiling point organic solvent) in the organic solvent is 20%, 45%, 55%.
- Ink B-16 to 18 were prepared by adjusting the amount of organic solvent without changing the solvent composition so that the solid content in the ink was 100%, 65%, and 45%.
- inks B_19 and 20 were prepared by adjusting the amount of the pigment dispersion and the solvent composition so that the ratio of the pigment in the solid content was 5% and 15%.
- a UV ink cartridge cyan viscosity 15 mPa's at 25 ° C) manufactured by Mimaki Engineering Co., Ltd. was prepared.
- A The number of resole that no ink is ejected is 0
- Table 13 shows the physical properties and evaluation results of the ink used for the evaluation.
- the ink-jet ink of the present invention it is not necessary to provide an ink receiving layer or a protective layer, and the productivity is excellent, and the flatness of the pixel portion and the variation in the color density in the pixel portion are small, and there is no unevenness.
- a color filter excellent in display quality and a display device using the color filter can be obtained.
- the ratio of the high boiling point solvent is 50% or more
- the solid content in the ink is 60% or less
- the ratio of the pigment in the solid content is 20% or more.
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Abstract
Description
Claims
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JP2008508465A JPWO2007113958A1 (ja) | 2006-03-31 | 2007-02-28 | カラーフィルタ用インクジェットインク、カラーフィルタ、カラーフィルタの製造方法及び表示装置 |
CN2007800196388A CN101454694B (zh) | 2006-03-31 | 2007-02-28 | 滤色片用喷墨墨液、滤色片、滤色片的制造方法及显示装置 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008297494A (ja) * | 2007-06-01 | 2008-12-11 | Fujifilm Corp | インクジェットインク及びカラーフィルタ |
JP2009144149A (ja) * | 2007-11-22 | 2009-07-02 | Fujifilm Corp | インクジェット用インク、カラーフィルタおよびその製造方法、ならびにそれを用いる液晶ディスプレイおよび画像表示デバイス |
KR20100091908A (ko) * | 2009-02-10 | 2010-08-19 | 후지필름 가부시키가이샤 | 잉크젯용 잉크, 컬러 필터 및 그 제조 방법, 그리고 그것을 사용하는 액정 디스플레이 및 화상 표시 디바이스 |
CN101445685B (zh) * | 2007-11-28 | 2012-05-30 | 精工爱普生株式会社 | 滤色片用墨液、滤色片用组合墨液及滤色片 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07216276A (ja) * | 1994-02-07 | 1995-08-15 | Toray Ind Inc | カラーフィルタ製造用インキおよびカラーフィルタ製造法 |
JP2000056126A (ja) * | 1998-06-02 | 2000-02-25 | Toray Ind Inc | カラ―フィルタ用ペ―ストとこれを用いたカラ―フィルタの製造方法およびカラ―液晶表示装置 |
JP2002372613A (ja) * | 2001-06-13 | 2002-12-26 | Seiko Epson Corp | カラーフィルタの製造方法及び液晶表示装置の製造方法 |
JP2003066222A (ja) * | 2001-08-29 | 2003-03-05 | Seiko Epson Corp | カラーフィルタの製造方法及びカラーフィルタ及び液晶装置並びに電子機器 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10316721A (ja) * | 1997-05-15 | 1998-12-02 | Nippon Steel Chem Co Ltd | アルカリ可溶性樹脂及びそれを用いた画像形成用材料 |
JPH11124528A (ja) * | 1997-10-24 | 1999-05-11 | Asahi Glass Co Ltd | 顔料分散型水性インク及びカラーフィルタ製造方法 |
JP2002173624A (ja) * | 2000-09-27 | 2002-06-21 | Dainippon Ink & Chem Inc | カラーフィルター用インクジェットインキ組成物、及びカラーフィルターの製造方法 |
JP4344082B2 (ja) * | 2000-12-28 | 2009-10-14 | 大日本印刷株式会社 | カラーフィルタ用インクジェットインク組成物、インク組成物の製造方法、及び、カラーフィルタ製造方法 |
JP4044745B2 (ja) * | 2001-10-02 | 2008-02-06 | 富士フイルム株式会社 | 感光性樹脂組成物及び感光性転写材料、並びに、液晶表示素子用部材及び液晶表示素子 |
-
2007
- 2007-02-28 KR KR1020087022901A patent/KR20080106442A/ko not_active Application Discontinuation
- 2007-02-28 CN CN2007800196388A patent/CN101454694B/zh not_active Expired - Fee Related
- 2007-02-28 JP JP2008508465A patent/JPWO2007113958A1/ja not_active Abandoned
- 2007-02-28 WO PCT/JP2007/053838 patent/WO2007113958A1/ja active Application Filing
- 2007-03-05 TW TW096107433A patent/TW200745277A/zh unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07216276A (ja) * | 1994-02-07 | 1995-08-15 | Toray Ind Inc | カラーフィルタ製造用インキおよびカラーフィルタ製造法 |
JP2000056126A (ja) * | 1998-06-02 | 2000-02-25 | Toray Ind Inc | カラ―フィルタ用ペ―ストとこれを用いたカラ―フィルタの製造方法およびカラ―液晶表示装置 |
JP2002372613A (ja) * | 2001-06-13 | 2002-12-26 | Seiko Epson Corp | カラーフィルタの製造方法及び液晶表示装置の製造方法 |
JP2003066222A (ja) * | 2001-08-29 | 2003-03-05 | Seiko Epson Corp | カラーフィルタの製造方法及びカラーフィルタ及び液晶装置並びに電子機器 |
Cited By (7)
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JP2008297494A (ja) * | 2007-06-01 | 2008-12-11 | Fujifilm Corp | インクジェットインク及びカラーフィルタ |
JP2009144149A (ja) * | 2007-11-22 | 2009-07-02 | Fujifilm Corp | インクジェット用インク、カラーフィルタおよびその製造方法、ならびにそれを用いる液晶ディスプレイおよび画像表示デバイス |
CN101445685B (zh) * | 2007-11-28 | 2012-05-30 | 精工爱普生株式会社 | 滤色片用墨液、滤色片用组合墨液及滤色片 |
KR20100091908A (ko) * | 2009-02-10 | 2010-08-19 | 후지필름 가부시키가이샤 | 잉크젯용 잉크, 컬러 필터 및 그 제조 방법, 그리고 그것을 사용하는 액정 디스플레이 및 화상 표시 디바이스 |
JP2011012245A (ja) * | 2009-02-10 | 2011-01-20 | Fujifilm Corp | インクジェット用インク、カラーフィルタおよびその製造方法 |
TWI464220B (zh) * | 2009-02-10 | 2014-12-11 | Fujifilm Corp | 噴墨用墨水、彩色濾光片及其製造方法,以及使用其的液晶顯示器和影像顯示裝置 |
KR101708494B1 (ko) | 2009-02-10 | 2017-02-20 | 후지필름 가부시키가이샤 | 잉크젯용 잉크, 컬러 필터 및 그 제조 방법, 그리고 그것을 사용하는 액정 디스플레이 및 화상 표시 디바이스 |
Also Published As
Publication number | Publication date |
---|---|
CN101454694A (zh) | 2009-06-10 |
TW200745277A (en) | 2007-12-16 |
KR20080106442A (ko) | 2008-12-05 |
CN101454694B (zh) | 2011-01-05 |
JPWO2007113958A1 (ja) | 2009-08-13 |
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