WO2007069593A1 - カラーフィルタ用隔壁の製造方法、カラーフィルタ用隔壁付基板、表示素子用カラーフィルタ、及び表示装置 - Google Patents
カラーフィルタ用隔壁の製造方法、カラーフィルタ用隔壁付基板、表示素子用カラーフィルタ、及び表示装置 Download PDFInfo
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- WO2007069593A1 WO2007069593A1 PCT/JP2006/324738 JP2006324738W WO2007069593A1 WO 2007069593 A1 WO2007069593 A1 WO 2007069593A1 JP 2006324738 W JP2006324738 W JP 2006324738W WO 2007069593 A1 WO2007069593 A1 WO 2007069593A1
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- Prior art keywords
- color filter
- partition wall
- photosensitive resin
- substrate
- resin layer
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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
- G02B5/201—Filters in the form of arrays
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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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
- G02B5/223—Absorbing filters containing organic substances, e.g. dyes, inks or pigments
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- G—PHYSICS
- 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
- G02F1/133516—Methods for their manufacture, e.g. printing, electro-deposition or photolithography
Definitions
- Color filter partition wall manufacturing method color filter partition wall substrate, display element color filter, and display device
- the present invention relates to a method for producing color filter partition walls, a substrate with color filter partition walls, a color filter for display elements, and a display device, and more specifically, manufacture of color filter partition walls that perform pattern formation by exposure.
- the present invention relates to a method, a substrate with a partition wall for a color filter, a color filter for a liquid crystal display element, and a liquid crystal display device obtained by using the method.
- a color filter for a display device is provided in a dot shape, for example, by arranging dot images such as red (R), green (G), and blue (B) in a matrix on a substrate such as glass. It has a structure in which images are separated from each other by a separating partition such as a black matrix.
- methods for producing a color filter include (1) a dyeing method, (2) a printing method, and (3) a colored pattern obtained by applying, exposing, and developing a colored photosensitive resin solution.
- a method of forming an image (colored resist method; see, for example, Patent Document 1), (4) a method of sequentially transferring a pattern image formed on a temporary support onto a final or temporary substrate, and (5) coloring
- the photosensitive resin liquid is applied on a temporary support in advance to form a photosensitive colored layer, and the photosensitive colored layer is directly transferred onto the final or temporary substrate, exposed, and developed.
- a method for forming a colored pattern image is known (for example, see Patent Document 2).
- a method using an inkjet method (for example, see Patent Document 3) is also known.
- the colored resist method is not advantageous in terms of cost because it has a large loss in application of the photosensitive layer resin solution, which can produce a color filter with high positional accuracy.
- the ink jet method alone is advantageous in terms of cost with little loss of resin liquid, but tends to make it difficult to obtain pixels with good positional accuracy.
- a method has been proposed in which a black matrix is formed by a colored resist method, and then a colored pattern (pixel) such as RGB is formed by using an inkjet method.
- pixel a colored pattern
- the cross-sectional shape of the formed black matrix from the substrate surface above the base material The distant upper edge and its edge change to a round and gentle shape in the manufacturing process after development, and immediately after the ink of each color is ejected between the black matrix, the black matrix formed in advance is applied. If the color mixture occurs, the display quality deteriorates.
- Patent Document 1 JP-A-1 152449
- Patent Document 2 JP-A-61-99102
- Patent Document 3 Japanese Patent Laid-Open No. 8-227012
- Patent Document 4 Japanese Patent Laid-Open No. 6-347637
- Patent Document 5 JP-A-7-35915
- Patent Document 6 Japanese Patent Laid-Open No. 10-142418
- the conventional method described above requires a special material or requires a surface modification treatment for increasing the surface energy of the region surrounded by the black matrix, which is costly.
- the display quality is deteriorated separately from the color mixture, especially when the display is white or black, the display becomes reddish.
- Color filter partition wall manufacturing method capable of forming partition walls with sharp corners (edges) that are not in contact with the substrate surface, and substrate with color filter partition walls obtained thereby, and no hue and good hue
- a color filter for liquid crystal display elements and a liquid crystal display device with high display quality.
- the present invention includes (1) a step of forming a photosensitive resin layer containing at least a radical polymerizable monomer, a photopolymerization initiator, a binder, and a color material on at least one of the substrates; and droplets
- the photosensitive resin layer is exposed to a pattern with an illuminance of 50 mW / cm 2 or more and developed.
- the manufacturing method of the partition for color filters including the process is provided.
- the manufacturing method is characterized in that a light source used for the exposure is laser light.
- the production methods (1) and (2) further comprise an ink repellent treatment step for imparting ink repellency to at least a part of the partition wall pattern.
- the production methods (1) to (3) are the ink repellent treatment process plasma treatment.
- the present invention provides (5) a substrate with a partition wall for a color filter, which is manufactured by forming a partition pattern by the manufacturing methods of (1) to (4).
- the present invention also provides: (6) Colored pixels formed by applying droplets to the recesses between the partition walls of the color filter partition wall substrate according to (5) and the color filter partition wall substrate by an inkjet method.
- a color filter for a display element is provided.
- the present invention provides (7) a display device provided with the color filter for display element of (6).
- a method for producing a color filter partition wall capable of forming a partition wall having sharp corners (edges) that are not in contact with the substrate surface, a substrate with a color filter partition wall obtained by the method, and It is possible to provide a color filter for a display element and a display device having a high display quality with no color mixture and good hue.
- FIG. 1 is a conceptual diagram for explaining a cross-sectional shape of a partition wall.
- FIG. 2A is a diagram showing a delta arrangement as a color filter pattern.
- FIG. 2B is a diagram showing a grid or stripe structure arrangement as a color filter pattern.
- the method for producing a color filter partition wall (hereinafter, simply referred to as “separation partition wall”) of the present invention comprises at least one of a substrate and at least a radical polymerizable monomer, a photopolymerization initiator, a binder, and a coloring material.
- Forming a photosensitive resin layer including the photosensitive resin layer (hereinafter sometimes referred to as a “layer forming step”), and exposing the developed photosensitive resin layer to a pattern with an illuminance of 50 mW / cm 2 or more and developing the photosensitive resin layer.
- at least a step of forming a partition pattern (hereinafter sometimes referred to as a “pattern formation step”) that separates the colored pixel portions formed by applying the liquid droplets.
- Other processes such as processing can be provided and configured.
- Illuminance is the illuminance of light on the object to be exposed. Specifically, it is a general illuminometer (for example, UV-M10-S, UV-350 (both trade names, manufactured by Oak Manufacturing Co., Ltd.). )) Can be measured by placing it at the exposure focal point and performing exposure.
- a general illuminometer for example, UV-M10-S, UV-350 (both trade names, manufactured by Oak Manufacturing Co., Ltd.).
- a photosensitive resin layer containing at least a radical polymerizable monomer, a photopolymerization initiator, a binder, and a color material is formed on at least one of the substrates.
- the photosensitive resin layer formed in this step is a layer that finally constitutes the partition wall.
- the photosensitive resin layer includes at least a radical polymerizable monomer, a photopolymerization initiator, a binder, and a color material, and can be configured using other components as necessary.
- This photosensitive resin layer is formed by, for example, a method of applying a photosensitive resin composition containing at least a radical polymerizable monomer, a photopolymerization initiator, a binder, and a coloring material on a substrate (preferably, a photosensitive resin composition). And a method of transferring a photosensitive resin layer onto a substrate using a photosensitive transfer material described later (transfer method).
- the coating is preferably performed using a slit-shaped nozzle or slit coater having a slit-shaped hole in the portion for discharging the liquid.
- Nore and slit coater can be preferably used.
- Other examples include Spinner 1, Wheeler 1 ⁇ , Mouth 1 ⁇ La 1 ⁇ Co ⁇ Ta' ⁇ , Force ' ⁇ Ten; ⁇ Ta' ⁇ , Knife: ⁇ Ta 1 ⁇ , Wire 1 ⁇ No ' ⁇ Ko' ⁇ Even if you use a coating machine such as
- a photosensitive transfer material described later is used, and the photosensitive resin layer formed in a film shape on the temporary support is pressed or pressed with a roller or flat plate heated and / or pressed on the substrate surface. Can be applied by thermocompression bonding, and the photosensitive resin layer can be transferred by peeling off the temporary support and transferring the photosensitive resin layer.
- JP-A-7-110575, JP-A-11 77942, JP-A-2000 334836, and JP-A-2002-148794 can be used. Details regarding the photosensitive transfer material and transfer by the transfer method will be described later.
- the thickness of the photosensitive resin layer depends on the solid content of the photosensitive resin composition and the height of the partition wall to be formed, and is not particularly limited, but generally 1 to 12 xm is preferable. Mashi 1.5-5: 12 ⁇ force S is more preferable, 1. 8-8 / 1 111 is more preferable, 2.0-6.0 111 is particularly preferable.
- the photosensitive resin layer and the photosensitive resin composition in the present invention are preferably dark colored layers or compositions having a high optical density, and the preferred optical density is 2.0 to 10.0. A more preferable optical density is 2.5 to 6.0, and particularly preferably 3.0 to 5.0. Further, since the photosensitive resin layer and the photosensitive resin composition are preferably cured by a photoinitiating system as described later, the optical density with respect to the exposure wavelength (generally the ultraviolet region) is also important. 0 to 10.0 is preferable, more preferably ⁇ to 2.5 to 6.0, and most preferably ⁇ to 3.0 to 5.0. When it is within the above range, polymerization and curing are improved, and a partition wall having a desired shape can be formed.
- the dark color property can be imparted by using various color materials such as dyes and pigments described later, or materials of various forms of carbon or combinations thereof, and black is the most common.
- the photosensitive resin layer or photosensitive resin composition in the present invention contains at least one radically polymerizable monomer. It can be cured by the action of an active species from the photopolymerization initiator described later to form a pattern.
- the radical polymerizable monomer the polyfunctional monomer, which is preferably a polyfunctional monomer, can be used alone or in combination with other monomers.
- polyfunctional monomers include t_butyl (meth) acrylate, ethylene glycol di (meth) acrylate, 2-hydroxypropyl (meth) acrylate, triethylene glycol di (meth) acrylate, trimethylolpropane.
- a compound having a hydroxyl group such as 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, polyethylene glycol mono (meth) acrylate, hexamethylene diisocyanate, toluene di-
- a reaction product with a diisocyanate such as isocyanate or xylene diisocyanate is also included.
- pentaerythritol tetraatarylate dipentaerythritol hexaatalylate
- dipentaerythritol pentaatarylate dipentaerythritol pentaatarylate
- tris (2-acryloyloxychetyl) isocyanurate are particularly preferred.
- the content of the radical polymerizable monomer in the photosensitive resin layer or photosensitive resin composition is preferably 5 to 80% by mass with respect to the total solid content (mass) of the layer or composition. 0 to 70% by mass is particularly preferable. When the content is within the above range, it is effective to secure the resistance against the photo-curing developer.
- Photopolymerization initiator The photosensitive resin layer or photosensitive resin composition in the present invention contains at least one photopolymerization initiator.
- the photopolymerization initiator is a compound that generates an active species that initiates polymerization of the radical polymerizable monomer upon irradiation with radiation such as visible light, ultraviolet light, far ultraviolet light, electron beam, and X-ray. Can be appropriately selected.
- trino, romethyl group-containing compound for example, trino, romethyl group-containing compound, atalidine compound, acetophenone compound, bisimidazole compound, triazine compound, benzoin compound, benzophenone compound, hidiketone compound, polynuclear quinone compound, xanthone Compounds, diazo compounds and the like.
- Trihalomethyl-substituted trino, romethyloxazole derivative or s-triazine derivative described in JP-A-2001-117230 and a trihalo described in US Pat. No. 4,239,850 are described.
- Trihalomethyl group-containing compounds such as methyl-s-triazine compounds and trihalomethyloxadiazole compounds described in US Pat. No. 4,212,976;
- trihalomethyl group-containing compounds atalidine compounds, and acetophenone compounds
- At least one selected from a compound containing at least one selected from a compound, a bisimidazole-based compound, and a triazine-based compound is preferred, and at least one selected from a compound containing a romethyl group and an atalidine-based compound is particularly preferable.
- Torino, romethyl group-containing compounds, and atalidine compounds are useful because they are versatile and inexpensive.
- trihalomethyl group-containing compound is 2_trichloromethylolene.
- the benzophenone compound is Michler's ketone
- the biimidazole compound is 2,2′-bis (2,4-dichlorocyclophenyl) —4, 4 ′, 5, 5′-tetraphenyl 1 , 2'-bisimidazole.
- the photopolymerization initiators may be used alone or in combination of two or more.
- the total amount of the photopolymerization initiator in the photosensitive resin layer or photosensitive resin composition is preferably 0.:! To 20% by mass with respect to the total solid content (mass) of the layer or composition. 5-10% by weight is particularly preferred.
- the photocuring efficiency is high and the composition can be cured in a short time, and the image pattern formed at the time of development may be lost or the pattern surface may be roughened.
- the photopolymerization initiator may be composed of a hydrogen donor.
- the hydrogen donor is preferably a mercabtan compound or an amine compound as defined below from the viewpoint that sensitivity can be further improved.
- the “hydrogen donor” refers to a compound that can donate a hydrogen atom to a radical generated from the photopolymerization initiator by exposure.
- the mercabtan compound has a benzene ring or a heterocyclic ring as a mother nucleus, and has one or more mercapto groups directly bonded to the mother nucleus, preferably 1 to 3, more preferably:! To 2 (Hereinafter referred to as “mercabbutane-based hydrogen donor”).
- the amine compound has a benzene ring or a heterocyclic ring as a mother nucleus, and has one or more amino groups bonded directly to the mother nucleus, preferably:! To 3, more preferably 1 to 2.
- Compound hereinafter referred to as “aminic hydrogen donor”).
- the hydrogen donor may have a mercapto group and an amino group at the same time.
- mercaptan-based hydrogen donor examples include 2_mercaptobenzothiazole, 2_mercaptobenzoxazole, 2_mercaptobenzoimidazole, 2,5-dimenolecapto 1, 3, 4— And thiadiazole, 2-menolecapto-1,5-dimethylaminopyridine, and the like.
- 2_mercaptobenzothiazole and 2_mercaptobenzoxazole are preferred, and 2_mercaptobenzothiazole is particularly preferred.
- amine-based hydrogen donor examples include 4, 4'_bis (dimethylamino) benzophenone, 4, 4'-bis (jetylamino) benzophenone, 4-jetylaminoacetophenone, 4 -Dimethylaminopropionofenone, ethyl 4-dimethylaminobenzoate, 4-dimethylaminobenzoic acid, 4-dimethylaminobenzonitrile and the like.
- 4,4'-bis (dimethylamino) benzophenone and 4,4'-bis (jetylamino) benzophenone are preferred, especially 4,4'bis (jetylamino) benzophenone.
- the hydrogen donor can be used singly or in combination of two or more, and the formed image is difficult to drop off from the substrate during development, and the strength and sensitivity can be improved. It is preferable to use a combination of one or more mercaptan hydrogen donors and one or more amine hydrogen donors.
- Specific examples of the combination of the mercabtan-based hydrogen donor and the amine-based hydrogen donor include 2-mercaptobenzothiazole, 4,4'-bis (dimethylamino) benzophenone, 2-mercaptobenzothiazole / 4, 4 '.
- the mass ratio (M: A) of the mercabtan hydrogen donor (M) to the amine hydrogen donor (A) is as follows: Usually, 1: 1 to 1: 4 is preferable, and 1: 1 to 1: 3 is more preferable.
- the total amount of the hydrogen donor in the photosensitive resin layer or photosensitive resin composition is 1: 1 to 1: 4 or 3 .
- the photosensitive resin layer or photosensitive resin composition in the present invention contains at least one binder.
- a preferred polymer is a polymer having a polar group such as a carboxylic acid group or a carboxylic acid group in the side chain.
- a polar group such as a carboxylic acid group or a carboxylic acid group in the side chain.
- examples thereof include JP-A-59-44615, JP-B-54-34327, JP-B-58-12577, JP-B-54-25957, JP-A-59-53836, and As described in JP-A-59-71048, methacrylic acid copolymer, acrylic acid copolymer, itaconic acid copolymer, crotonic acid copolymer, maleic acid copolymer, and partially esterified maleic acid copolymer.
- a polymer etc. can be mentioned.
- cellulose derivatives having a carboxylic acid group in the side chain are also included.
- cyclic acid anhydride to the polymer which has a hydroxyl group can also be used preferably.
- Particularly preferred examples include copolymers of benzyl (meth) acrylate and (meth) acrylic acid described in US Pat. No. 4,139,391, benzyl (meth) acrylate, (meth) acrylate, and other Mention may be made of multicomponent copolymers with monomers.
- These binders having a polar group may be used alone or in the form of a composition used in combination with a normal film-forming polymer.
- the content of the binder in the photosensitive resin layer or photosensitive resin composition is preferably 10 to 50% by mass with respect to the total solid content (mass) of the layer or composition. % Is more preferable.
- the photosensitive resin layer or the photosensitive resin composition in the present invention contains at least one coloring material. By containing a color material, a visible image having a desired color can be formed.
- Examples of the color material include pigments and dyes described in paragraphs [0038] to [0054] of JP-A-2005-17716, and paragraphs [0068] to [0072] of JP-A-2004-361447.
- the described pigments and the colorants described in paragraph numbers [0080] to [0088] of JP-A-2005-17521 can be suitably used.
- organic pigments, inorganic pigments, dyes, and the like are suitable.
- a light-shielding agent such as metal oxide powder such as iron oxide, metal sulfide powder, and metal powder, and a mixture of pigments such as red, blue, and green can be used.
- Known colorants can be used.
- the black color material include carbon black, titanium carbon, iron oxide, titanium oxide, and graphite. Carbon black is particularly preferable.
- a pigment is selected as the color material, it is preferable that the pigment is uniformly dispersed in the photosensitive resin layer or the photosensitive resin composition.
- the content of the coloring material in the photosensitive resin layer or photosensitive resin composition is 30 to 70% by mass in terms of shortening the development time with respect to the solid content (mass) of the layer or composition. 40 to 60% by mass is more preferable, and 50 to 55% by mass is more preferable.
- the pigment is desirably used as a dispersion.
- This dispersion can be prepared by adding and dispersing a composition obtained by previously mixing the pigment and the pigment dispersant in an organic solvent (or vehicle) described later.
- the vehicle refers to a portion of the medium in which the pigment is dispersed when the paint is in a liquid state. The portion is a liquid that binds to the pigment and hardens the coating film (binder), and dissolves it. Ingredient (organic solvent) to be diluted.
- disperser used when dispersing the pigment examples include, but are not particularly limited to, a kneader described in “Encyclopedia of Pigments” (Asakura Kunizo, 1st edition, page 438, Asakura Shoten (2000)).
- Well-known dispersers such as Ronole Reminole, Atridor, Super Minore, Dizonoleva, Homomixer, Sand Mill and the like can be mentioned.
- it may be finely pulverized using frictional force by mechanical grinding as described on page 310 of “Encyclopedia of Pigments”.
- the number average particle diameter is preferably 0.001 to 0.1 xm, more preferably 0.01 to 0.08 zm, from the viewpoint of dispersion stability.
- the “particle diameter” refers to the diameter when the particle is represented by a circle having the same area as the area of the particle in the electron micrograph.
- the “number average particle diameter” refers to the particle diameter of a plurality of particles. The average value of 100 pieces.
- the photosensitive resin composition used for producing the separation partition wall in the present invention can be constituted using an organic solvent in addition to the above components.
- organic solvents include methinoretinoleketone, propyleneglycolmonomethinoleethenole, propyleneglycololemonomethyl ether acetate, cyclohexanone, cyclohexanol, methyl isobutyl ketone, lactyl ethyl, methyl lactate, strength prolatatum Etc.
- the photosensitive resin composition or photosensitive resin layer in the present invention the following components, for example, surfactants, ultraviolet absorbers, and known additives such as plasticizers, fillers, stabilizers, heat A polymerization inhibitor, a solvent, an adhesion promoter, and the like can be contained. Furthermore, it is preferable that the photosensitive resin composition has thermoplasticity that is preferably softened or tacky at a temperature of at least 150 ° C. or less. From this point of view, it can be modified by adding a compatible plasticizer.
- a uniform film thickness can be controlled by including a surfactant in the photosensitive resin composition. And uneven application can be effectively prevented.
- Preferred examples of the surfactant include surfactants described in JP-A No. 2003-337424 and JP-A No. 11-133600.
- the content of the surfactant in the photosensitive resin composition is generally 0.001 to 1% with respect to the total solid content (mass) of the composition. 5% preferred 0. 03 to 0.3. / 0 is particularly preferred.
- the photosensitive resin composition can contain an ultraviolet absorber as necessary.
- the ultraviolet absorber include compounds described in JP-A-5-72724, and compounds such as salicylate, benzophenone, benzotriazole, cyanoacrylate, nickel chelate, and hindered amine.
- phenyl salicylate 4_t_butylphenyl salicylate, 2,4-di-t_butylphenyl_3 ', 5'_di-t_4'-hydroxybenzoate, 4_t_butylphenyl salicylate, 2,4-dihydroxy Benzophenone, 2-hydroxy-1-4-methoxybenzo Phenone, 2-hydroxy-1-4-n-otatoxybenzophenone, 2- (2'-hydroxy-1,5-methylpheninole) benzotriazole, 2- (2'-hydroxy-1-3 '_t_butyl _5' —Methylphenyl) 1-5-clobenzotriazole, ethyl 2-cyano-1,3-diphenyl acrylate, 2, 2'-hydroxy _4-methoxybenzophenone, nickel dibutyldithiocarbamate, bis ( 2, 2, 6, 6-tetramethyl mono 4_pyridine) mono sebacate, 4 _t
- the content of the ultraviolet absorber relative to the total solid content of the photosensitive resin composition is generally 0.5 to 15%, and preferably 1 to 12%. 2-10% is particularly preferred.
- the photosensitive resin composition preferably contains a thermal polymerization inhibitor.
- thermal polymerization inhibitors include hydroquinone, hydroquinone monomethyl ether, ⁇ -methoxyphenol, di-t-butyl- ⁇ -cresol, pyrogallol, t-butylcatechol, benzoquinone, 4,4'-thiobis (3-methyl _ 6 _t_butyl Phenol), 2,2′-methylenebis (4-methyl-6_t_butylphenol), 2_mercaptobenzimidazole, phenothiazine, and the like.
- a 1 0/0 force generally white ladle, from 0.02 to 0 7 0 / 0 force S preferably, from 0.05 to 0. preferred 5 0/0 Ca JP.
- the photosensitive resin composition can also contain “adhesion aid” described in JP-A No. 11-133600, other additives, and the like.
- the photosensitive transfer material is composed of at least the photosensitive resin composition on a temporary support. It has a formed layer (photosensitive resin layer), and can be constituted by further providing an intermediate layer, a thermoplastic resin layer, and a protective film as necessary.
- the exposure in the pattern formation process is performed at a high illuminance of 50 mWZ cm 2 or more so as to be cured before the polymerization is inhibited by oxygen. It may be provided if necessary.
- the temporary support can be appropriately selected from those that are chemically and thermally stable and made of a flexible material.
- a thin sheet or film such as Teflon (registered trademark), polyethylene terephthalate, polycarbonate, polyethylene, polypropylene, polyester, or a laminate thereof is preferable.
- Teflon registered trademark
- polyethylene terephthalate polycarbonate
- polyethylene polypropylene
- polyester or a laminate thereof
- biaxially stretched polyethylene terephthalate film is particularly preferred.
- the thickness of the temporary support is suitably 5 to 300 / im, preferably 20 to 150 ⁇ m. When the thickness is within the above range, it is possible to avoid tearing at the time of peeling of the temporary support, and it is possible to avoid a decrease in resolution when exposed through the temporary support.
- the photosensitive resin layer is composed of the above-described photosensitive resin composition, and the characteristics such as shape and the forming method are the same as those applied and formed by the above-described coating method, and the preferred embodiments are also the same. is there.
- thermoplastic resin layer can be provided between the temporary support and the photosensitive resin layer as necessary. Providing a thermoplastic resin layer is effective in improving the adhesion to the substrate on which the separation wall is formed.
- the thermoplastic resin layer preferably includes at least a resin component and is configured to be alkali-soluble.
- the resin component is alkali-soluble and has a substantial softening point of 8
- Thermoplastic resins that are below 0 ° C are preferred.
- alkali-soluble thermoplastic resins having a soft spot of 80 ° C or lower examples include saponified products of ethylene and acrylate copolymers, saponified products of styrene and (meth) acrylate copolymers, Saponification of vinyltoluene and (meth) acrylic acid ester copolymer And saponified products of poly (meth) acrylic acid esters, (meth) acrylic acid ester copolymers such as butyl (meth) acrylate and butyl acetate, and the like.
- the “Plastic Performance Handbook” (edited by the Japan Plastics Industry Federation, edited by the All Japan Plastics Molding Industry Association, published by the Industrial Research Council, published on October 25, 1968) has a softening point of approximately 80.
- organic polymers having a temperature of ⁇ C those soluble in an alkaline aqueous solution can be used.
- an organic polymer substance having a soft spot of 80 ° C or higher can be substantially added by adding various plasticizers compatible with the polymer substance to the organic polymer substance.
- the softening point can be lowered to 80 ° C or less.
- organic polymer substances have various polymers, supercooling substances, adhesion improvers, or adhesion improvers within the range where the substantial softening point does not exceed 80 ° C for the purpose of adjusting the adhesive force with the temporary support.
- Surfactants, mold release agents, etc. can also be added.
- Specific examples of preferred plasticizers include polypropylene glycol, polyethylene glycol, dioctyl phthalate, diheptyl phthalate, dibutyl phthalate, tricresyl phosphate, cresyl diphenyl phosphate, biphenylenoresphene phosphate. be able to.
- the intermediate layer is not necessarily required, but if necessary, an intermediate layer is provided between the temporary support and the photosensitive resin layer or between the thermoplastic resin layer and the photosensitive resin layer. Further, it may be provided.
- a layer mainly composed of polyethylene, polyvinylidene chloride, polybulualcohol (PVA), etc. (especially PVA as the main component) is preferred.
- a polymer such as polybulurpyrrolidone or polyacrylamide can be added. Don't hesitate.
- PVA having a hatching degree of 80% or more is preferable.
- the content of PVA is preferably 25 to 99% by mass.
- a protective film is preferably provided on the surface of the photosensitive resin layer formed on the temporary support to protect it from contamination and damage during storage. It is important that the protective film is capable of easily separating the photosensitive resin layer force from the viewpoint of good transfer even if it is composed of the same or similar material as the temporary support.
- a material constituting the protective film for example, silicone paper, polyolefin, or polytetrafluoroethylene sheet is suitable.
- the thickness of the protective film is generally 4 to 40 zm, preferably 5 to 30/111, and particularly preferably 10 to 25 zm.
- the photosensitive transfer material is obtained, for example, by applying a coating solution (a coating solution for a thermoplastic resin layer) in which the constituent components of the thermoplastic resin layer are dissolved on a temporary support, and drying the thermoplastic resin layer.
- a coating solution a coating solution for a thermoplastic resin layer
- a solution made of a solvent that does not dissolve the thermoplastic resin layer is applied onto the thermoplastic resin layer, dried to laminate the intermediate layer, and then the intermediate layer is further dissolved on the intermediate layer. It can be produced by applying the photosensitive resin composition prepared as described above using a solvent and drying and laminating the photosensitive resin layer.
- a coating apparatus slit coater
- a slit-shaped nosole that can be applied by the known coating method described above.
- the photosensitive transfer material is prepared by preparing a sheet provided with a thermoplastic resin layer and an intermediate layer on a temporary support, and a sheet provided with a photosensitive resin layer on a protective film, A sheet having a thermoplastic resin layer on a temporary support, and a sheet having a photosensitive resin layer and an intermediate layer on a protective film by bonding so that the oxygen blocking layer and the photosensitive resin layer are in contact with each other. It can also be carried out by preparing and bonding so that the thermoplastic resin layer and the intermediate layer are in contact with each other.
- the substrate examples include a metal base material, a base material bonded with a metal, glass, ceramic, and a synthetic resin film.
- a metal base material a base material bonded with a metal, glass, ceramic, and a synthetic resin film.
- it is transparent and has good dimensional stability, especially a glass synthetic resin film.
- the photosensitive pixel layer formed in the layer forming step is exposed to a pattern with a high illuminance of 50 mW / cm 2 or more, developed, and a colored pixel portion formed by applying droplets is formed.
- Separated barrier rib patterns are formed.
- the separation barrier separates the colored pixel portions and is generally not black but is not limited to black.
- organic substances are preferable for coloring.
- the pattern exposure to the photosensitive resin layer is performed with an illuminance of 50 mWZ cm 2 or more, even in the presence of oxygen, it is possible to cause a polymerization reaction before causing a polymerization inhibition due to oxygen. A high degree of cure can be achieved in time. As a result, it is not necessary to form a nitrogen atmosphere environment while controlling the oxygen partial pressure by purging with nitrogen, for example, during exposure, and it is possible to produce a photosensitive transfer material without providing an oxygen-blocking film. Therefore, a highly cured pattern image can be easily formed in a short time by a simpler process.
- the exposure can be performed by using a mask provided with a desired pattern and irradiating the photosensitive resin layer with light through the mask.
- the illuminance is set to 50 mW / cm 2 or more.
- the illuminance can be adjusted to the above range by increasing the output of the light source, increasing the number of light sources, or reducing the distance between the light source and the object to be exposed.
- the illumination for obtaining the effects of the present invention preferably the 300 mW / cm 2 or less, particularly preferably 2000 mW / cm 2 or more.
- the shape of the partition wall is a desired shape, specifically, the upper end surface not contacting the substrate surface of the partition wall provided on the substrate is flat.
- the corners (edges) that do not contact the partition wall substrate surface cannot be formed into sharp shapes.
- the upper limit of illuminance can be increased to a desired illuminance unless there is a problem with the apparatus and equipment.
- a specific cross-sectional shape of the partition wall a preferred embodiment will be described later with reference to FIG.
- a proximity type exposure machine for example, manufactured by Hitachi High-Tech Electronics Engineering Co., Ltd.
- an ultra high pressure mercury lamp can be used.
- the light source include medium to ultra high pressure mercury lamps, xenon lamps, metal halide lamps, and various lasers. Among these, an embodiment using a laser as a light source is preferable.
- alkaline substance examples include alkali metal hydroxides (for example, sodium hydroxide, potassium hydroxide), alkali metal carbonates (for example, sodium carbonate, potassium carbonate), alkali metal bicarbonates (for example, Sodium bicarbonate, potassium bicarbonate), alkali metal silicates (eg, sodium silicate, potassium silicate), alkali metal metasilicates (eg, sodium metasilicate, potassium metasilicate), triethanolamine, Examples include jetanolamine, monoethanolamine, morpholine, tetraalkylammonium hydroxides (for example, tetramethylammonium hydroxide), trisodium phosphate, and the like.
- the concentration of alkaline substance is preferably 0.01 to 30% by mass.
- the pH is preferably 8 to 14%.
- water-miscible organic solvent examples include methanol, ethanol, 2-propanol, 1-propanol, butanol, diacetone alcohol, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monomer.
- Non-butyl ether, benzyl alcohol, acetone, methyl ethyl ketone, cyclohexanone, ⁇ -force prolatatone, ⁇ butyrolatatane, dimethylformamide, dimethylacetamide, hexamethylphosphoramide, lactate ethyl, methyl lactate, ⁇ And methylpyrrolidone and the like are preferable.
- the concentration of the water-miscible organic solvent is preferably 0.:! To 30% by mass.
- the concentration of the surfactant to which a known surfactant may be added is preferably from 0.01 to 10% by mass.
- the developer may be used as a bath solution or a spray solution.
- the temperature of the developer is usually preferably from about room temperature to 40 ° C.
- the development time is usually about 10 seconds to 2 minutes, depending on the composition of the photosensitive resin layer, the alkalinity and temperature of the developer, and the type and concentration when an organic solvent is added. Within this range, a suitably separated partition wall can be obtained. In other words, if the development time is too short, the development of the region to be developed and removed may be insufficient, and at the same time the UV absorbance may be insufficient. is there.
- the cross-sectional shape of the separation partition (partition pattern) formed on the substrate is as shown in FIG. 1 from the substrate at the highest height of the separation partition 1 from the surface of the substrate 2.
- the height of h and the line parallel to the substrate at a position 0.8 h from the substrate are the points where L and L are in contact with the separation wall.
- L is the partition wall from the intersection with L, where L is the tangent line and L is the line parallel to the substrate at the h position.
- the photosensitive resin layer is polymerized by pattern exposure on the substrate, the amount of exposure attenuates from the surface of the layer toward the substrate due to absorption of the photosensitive resin layer itself, so that a curing reaction occurs on the layer surface.
- the illuminance at the time of pattern exposure to 5 OmW / cm 2 or more as described above, it is possible to cure before causing polymerization inhibition by oxygen.
- the curing reaction in the layer can be effectively accelerated. As a result, a partition wall having sharp corners (edges) that are not in contact with the substrate surface can be formed.
- the height from the substrate at the point where the height of the separation wall from the substrate is the highest is h
- the height of the separation plate is 0.8 h from the substrate.
- L is the distance from the intersection as L to the separation wall (distance on the line perpendicular to the tangent L)
- the value (d / h) obtained by dividing the value d specified by h by h is 0.04 or less. These values can be measured by actually observing the separation wall formed on the substrate by cutting the substrate vertically and exposing the cross section directly with a microscope or the like. In the partition wall formed in this way, the ink droplets applied to the recesses surrounded by the partition wall (the gap for forming the colored pixel portion between the partition walls) are difficult to get over the partition wall. By preventing bleeding and protrusion, color mixing between adjacent pixel patterns, and white spots in the pixel patterns, a hue and a high-quality display and a color filter can be obtained.
- the d / h value is preferably 0.038 or less, particularly preferably 0.035 or less.
- the substrate After cleaning the substrate, the substrate is heat treated to stabilize the surface state. Then adjust the board
- the photosensitive resin composition is applied onto a heated and temperature-controlled substrate. After coating, a part of the solvent in the coating layer is dried to remove the fluidity of the layer, and then pre-betated to obtain a photosensitive resin layer (layer forming step). Before pre-beta, unnecessary coating solution around the substrate may be removed by EBR (edge 'bead' remover).
- the coating can be performed using a known glass substrate coater (for example, MH-1600 (trade name, manufactured by FSA Asia Co., Ltd.)) having a slit-shaped nozzle.
- drying can be performed using a known drying apparatus (for example, VCD (vacuum drying apparatus), manufactured by Tokyo Ohka Kogyo Co., Ltd.) and the like, and the prebeta should be heated at 120 ° C for 3 minutes, for example. Can do.
- VCD vacuum drying apparatus
- the layer thickness of the photosensitive resin layer is as described above.
- the distance between the mask surface and the photosensitive resin layer is appropriately set.
- Set for example, 200 xm
- expose with an illuminance of 50 mW / cm 2 or more in the presence of oxygen.
- development is performed with a developer to obtain a pattern image, and washing is performed as necessary to obtain a separation wall (pattern formation step).
- the oxygen partial pressure during exposure can be measured using an oxygen meter (for example, G-102 type (trade name, manufactured by Iijima Electronics Co., Ltd.)).
- the protective film of the photosensitive transfer material is peeled and removed, the exposed surface of the photosensitive resin layer is superimposed on the substrate surface, passed through a laminator or the like, and heated and / or pressurized to obtain a laminate.
- the laminator can be appropriately selected from conventionally known laminators, vacuum laminators, and the like, and an auto-cut laminator can also be used from the viewpoint of increasing productivity.
- the temporary support is peeled off from the laminate.
- a desired photomask for example, a quartz exposure mask
- development processing is performed using a predetermined processing solution to obtain a separation wall. At this time, washing is performed as necessary.
- the developing solution used for the development processing and the light source used for the exposure are the same as the developing solution and the light source used in the coating method.
- the formed partition wall pattern is further heated (beta) to be cured and the layer forming process and the pattern forming element described above.
- Other steps such as a step of performing an ink repellent treatment on the partition wall pattern on the substrate (hereinafter referred to as an ink repellent treatment step) may be provided after the coloring pixel portion is formed.
- the droplets are placed in the recesses between the partition walls. It is preferable to apply and form a plurality of pixels.
- the ink-repellent treatment is effective when the liquid droplets (ink droplets) of the colored liquid composition protrude over the separation partition or mix with the ink forming the adjacent pixels when applying droplets by the inkjet method or the like. Can be eliminated.
- the ink repellent treatment is a treatment for repelling the droplets of the colored liquid composition to be applied, and the means is not particularly limited.
- the means is not particularly limited.
- an ink repellent treatment (1) a method of kneading an ink repellent substance into a separation wall, (2) a method of newly providing an ink repellent layer, (3) a method of imparting ink repellency by plasma treatment (4) A method of applying an ink repellent material to the upper surface of the wall of the separation wall.
- an ink repellent treatment it is not limited to this.
- each ink repellent treatment will be described in detail.
- the fluororesin (A) has an R f group (a) and an acidic group (b) having a polyfluoroether structure represented by the following formula 1, and has an acid value of 1 to 300 mgK0H / g I prefer something that is.
- X represents a divalent saturated hydrocarbon group having 1 to 10 carbon atoms or a fluoro divalent saturated hydrocarbon group having 1 to 10 carbon atoms
- n The contained units (X_ ⁇ ) each represent the same group or different groups.
- Y is a hydrogen atom (only when a fluorine atom is not bonded to a carbon atom adjacent to the oxygen atom adjacent to Y), a monovalent saturated hydrocarbon group having 1 to 20 carbon atoms, or 1 to 20 carbon atoms. Represents a fluorinated monovalent saturated hydrocarbon group.
- n represents an integer of 2 to 50. However, the total number of fluorine atoms in Formula 1 is 2 or more.
- the X force is a fluoro group except for one hydrogen atom having carbon number:! To 10 or a perfluoro group having 1 to 10 carbon atoms.
- n units (X_O) each represent the same group or different groups
- Y is a fluoro group except for one hydrogen atom having 1 to 20 carbon atoms, or It represents a perfluorinated alkyl group having 1 to 20 carbon atoms.
- X is a perfluoroalkylene group having 1 to 10 carbon atoms
- n units (X_O) are Each represents the same or different group
- Y represents a perfluorinated alkyl group having 1 to 20 carbon atoms.
- ⁇ represents an integer of 2 to 50. ⁇ 2 to 30 force S, preferably 2 to 15 force.
- ⁇ represents an integer of 2 to 50.
- ⁇ 2 to 30 force S preferably 2 to 15 force.
- the fluororesin ( ⁇ ) is composed of a monomer having an Rf group (a), a monomer having an acidic group (b), and, if necessary, other monomers.
- the compatibility of the monomer is improved.
- the total number of carbon atoms in the Rf group (a) having the polyfluoroether structure represented by the formula 1 is preferably 2 to 50, more preferably 2 to 30.
- the fluororesin (A) has good ink repellency, particularly organic repellency.
- the fluororesin (A) is synthesized by copolymerization with a monomer having an Rf group (a), a monomer having an acidic group (b), and, if necessary, other monomers. In some cases, the compatibility of the monomer is good.
- X examples include -CF-, _CF CF_, -CF CF CF-, _CF CF (
- Y include -CF, -CF CF, -CF CHF,-(CF) CF,-(C
- Rf group (a) having a polyfluoroether structure represented by the formula 1 an Rf group (a) represented by the following formula 2 can be mentioned. -CF -O- (CF -O) -CF ... Formula 2
- p represents an integer of 2 or 3
- n_l units (C F _ ⁇ ) are the same.
- Rf group (a) represented by the formula 2 specifically, _CF ⁇ (CFCFO) CF is
- _CF (CF) 0 (CF CF (CF) 0) C F (n is 2 to 6)
- Rf groups (a) in the fluororesin (A) may all be the same or different.
- the fluorine atom content in the fluororesin (A) is preferably 1 to 60%, more preferably 5 to 40%. Within this range, the fluororesin (A) has good ink repellency and good developability when developing the photosensitive resin composition.
- the fluororesin (A) has an acidic group (b), and the acidic group (b) is at least one acidic group selected from the group consisting of a carboxyl group, a phenolic hydroxyl group, and a sulfonic acid group. A group or a salt thereof is preferred.
- the acid value of the fluororesin (A) is preferably:! To 300 mg KH / g, more preferably 5 to 200 mg KOH / g, more preferably 10 to 150 mg KH / g. . Within the above range, the developability when developing the photosensitive resin composition becomes good.
- the acid value is the mass (unit: mg) of potassium hydroxide required to neutralize the resin lg. In this specification, the unit is “mg KOH / gj”.
- the number average molecular weight of the fluororesin (A) is preferably 500 or more and less than 20000, more preferably 2000 or more and less than 15000. Within this range, the developability when developing the photosensitive resin composition is good.
- the number average molecular weight is measured using polystyrene as a standard substance by gel permeation chromatography.
- the fluororesin (A) comprises a structural unit derived from a monomer having an ethylenic double bond and the Rf group (a), an ethylenic double bond and the acidic group (b).
- Examples of the ethylenic double bond include a (meth) ataryloyl group, a bur group, and a allyl group.
- CH 0 ⁇ 0
- R 1 represents a hydrogen atom or a methyl group
- Q 1 represents a single bond or a divalent organic group having 16 carbon atoms
- Q 2 represents a divalent organic group having 16 carbon atoms.
- Q 1 and Q 2 may have a cyclic structure.
- Q 1 and Q 2 are as follows: -CH- -CH CH- -CH (CH
- H 2 —CH 2 CH ( ⁇ H) CH— is preferred.
- the proportion of the structural unit derived from the monomer having the ethylenic double bond and the Rf group (a) in the fluororesin (A) is preferably:! To 95 mol%. 80 mol% is more preferred 20 60 mol% is more preferred. Within such a range, the fluorine-containing resin has good ink repellency and good developability when developing the photosensitive resin composition.
- Examples of the monomer having an acidic group (b) include a monomer having a carboxyl group. , A monomer having a phenolic hydroxyl group, and a monomer having a sulfonic acid group.
- Examples of the monomer having a carboxynole group include acrylic acid, methacryloleic acid, vinyl acetate, crotonic acid, itaconic acid, maleic acid, fumaric acid, quinamic acid, and salts thereof. It is done. These may be used individually by 1 type and may use 2 or more types together.
- Examples of the monomer having a phenolic hydroxyl group include o-hydroxystyrene, m-hydroxystyrene, and p-hydroxystyrene.
- one or more hydrogen atoms of these benzene rings are an alkyl group such as a methyl group, an ethyl group or an n_butyl group, an alkoxy group such as a methoxy group, an ethoxy group or an n-butoxy group, a halogen atom or an alkyl group.
- Examples of the monomer having a sulfonic acid group include vinyl sulfonic acid, styrene sulfonic acid, (meth) aryl sulfonic acid, 2 hydroxy-3- (meth) aryloxy propane sulfonic acid, (meta ) Acrylic acid 2-sulfoethyl, (meth) acrylic acid 2-sulfopropyl, 2-hydroxy-1-3- (meth) talyloxypropane sulfonic acid, 2- (meth) acrylamido 2-methylpropanesulfonic acid, or salts thereof Etc. These may be used alone or in combination of two or more.
- the amount of the structural unit derived from a monomer having an acidic group (b) is 0:.! ⁇ 40 Monore 0/0, etc. force preferably, 0.5 to 30 Monore 0/0 preferably than the force,:! ⁇ 20 Monore 0/0 force S further preferred.
- the fluorinated resin has good ink repellency and good developability when developing the photosensitive resin composition.
- the fluorine-containing resin is derived from a structural unit derived from a monomer having an ethylenic double bond and an Rf group (a) and from a monomer having an ethylenic double bond and an acidic group (b).
- a structural unit derived from a monomer having no Rf group (a) and an acidic group (b) hereinafter referred to as “other monomer”. You may have.
- Other monomers include, for example, hydrocarbon-based olefins, butyl ethers, isopropenyl ethers, allylic ethers, butyl esters, allylic esters, (meth) acrylic acid esters, (meth) acrylamides.
- Aromatic vinyl compounds, chloroformes, fluoro Examples include olefins and conjugated gens. These compounds contain a functional group, and examples of the functional group include a hydroxyl group, a carbonyl group, an alkoxy group, and an amide group. Moreover, you may have group which has a polysiloxane structure. However, the structural units derived from other monomers do not have Rf group (a) and acidic group (b). Other monomers may be used alone or in combination of two or more.
- (meth) acrylic acid esters and (meth) acrylamides are preferred in terms of improving the heat resistance of the film formed using the photosensitive resin composition.
- the proportion of the structural unit derived from the other monomer in the fluororesin is preferably 80% mol or less, more preferably 70 mol% or less. Within this range, the developability when developing the photosensitive resin composition will be good.
- the fluorine-containing resin includes a structural unit derived from the monomer having the ethylenic double bond and Rf group (a) and a monomer having the ethylenic double bond and acidic group (b).
- various types of reacting a compound having a reactive site with a compound having an Rf group (a) and / or a compound having an acidic group (b) It can also be obtained by a denaturing method.
- Specific examples of the monomer having an epoxy group include glycidyl (meth) acrylate, 3
- Examples of the compound having an Rf group (a) and a carboxyleno group include compounds represented by the following formula 3.
- p is an integer of 2 or 3
- q is an integer of:! -20
- n is an integer of 2-50.
- Examples of the compound having the Rf group (a) and the hydroxyl group include compounds represented by the following formula 4. HOCH -CF -0- (CF -O) One CF... Formula 4
- p is an integer of 2 or 3
- q is an integer of! -20
- n is an integer of 2-50.
- Examples of various modification methods for reacting a polymer having a reactive site with a compound having an acidic group (b) include a method in which a monomer having a hydroxyl group is copolymerized in advance and then an acid anhydride is reacted. Can be mentioned. In addition, there may be mentioned a method in which an acid anhydride having an ethylenic double bond is copolymerized in advance and a compound having a hydroxyl group is reacted later.
- the monomer having a hydroxyl group examples include butylphenol, 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 3-hydroxypropyl (meth) acrylate, 4-hydroxybutyl (meth) acrylate, 5-hydroxypentyl (meth) acrylate, 6-hydroxy hexyl (meth) acrylate, 4-hydroxy cyclohexyl (meth) acrylate, neopentyl glycol mono (meta ) Atalylate, 3—Black mouth 2 Shetyl vinyl ether, 4-hydroxybutyl vinyl ether, Cyclohexanediol monovinyl ether, 2-hydroxyethylaryl ether, N-hydroxymethyl (meth) acrylamide, N, N-bis (Hydroxymethyl) and the like.
- the monomer having a hydroxyl group may be a monomer having a polyoxyalkylene chain having a terminal hydroxyl group.
- CH CH ⁇ CH C H CH 0 (C H ⁇ )
- acid anhydride examples include phthalic anhydride, 3-methylphthalic anhydride, trimellitic anhydride, and the like.
- acid anhydride having an ethylenic double bond examples include maleic anhydride, anhydrous itaconic acid, citraconic anhydride, anhydrous methyl _ 5_norbornene _ 2,3-dicarboxylic acid, anhydrous 3, 4, 5, 6-tetrahydrophthalic anhydride, cis- 1, 2, 3, 6-tetrahydrophthalic anhydride Acid, 2-butene and 1-yl succinic anhydride.
- the compound having a hydroxyl group a compound having one or more hydroxyl groups, specific examples of the above-mentioned monomer having a hydroxyl group, ethanol, 1-propanol, 2-propanol 1-butanol, ethylene glycol and other alcohols, 2-methoxyethanol, 2_ethoxyethanol, 2_butoxyethanol and other cellsolves, 2_ (2-methoxyethoxy) ethanol, 2_ (2-ethoxyethoxy) Examples thereof include carbitols such as ethanol and 2- (2-butoxyethoxy) ethanol.
- a compound having; L hydroxyl groups in the molecule is preferred. These may be used alone or in combination of two or more.
- the polymer having the above-mentioned reaction site serving as a fluorine-containing resin or a precursor of the fluorine-containing resin is dissolved in a solvent together with a chain transfer agent as necessary and heated, and a polymerization initiator is added. Can be synthesized by the reaction method.
- the amount of the fluorine-containing resin (A) in the photosensitive resin composition is preferably from 0.01 to 50% by mass based on the solid content of the composition. More preferable 0.2 to 10% by mass is particularly preferable. Within such a range, the photosensitive resin composition exhibits good ink repellency and ink tumbling properties and good developability during development.
- a partition wall (hereinafter referred to as “ink-repellent layer”) having ink repellency is formed on at least an upper part of a separation partition formed on the substrate.
- a silicone rubber layer is preferably used as the partition wall having ink repellency.
- the silicone rubber layer is provided on the surface layer of the separating partition and needs to have a repulsive effect on the solution and ink used for coloring.
- the silicone rubber layer is not particularly limited.
- a layer composed mainly of a linear organic polysiloxane having a molecular weight of several thousands to several hundreds of thousands having the following repeating units is preferable.
- n represents an integer of 2 or more
- R represents an alkyl group, an alkenyl group, or a phenol group having 1 to 10 carbon atoms.
- Silicone rubber is obtained by sparsely cross-linking such a linear organic polysiloxane.
- the crosslinking agent responsible for crosslinking include acetoxysilane, ketoxime silane, alkoxysilane, aminosilane, amidosilane, alkenoxysilane, and the like, which are used in so-called room temperature (low temperature) curable silicone rubber.
- room temperature (low temperature) curable silicone rubber In combination with a siloxane having a terminal hydroxyl group, it becomes a deacetic acid type, a deoxime type, a dealcohol type, a deamine type, a deamid type, or a deketone type silicone rubber.
- a small amount of an organic tin compound is generally added to the silicone rubber as a catalyst.
- various types of adhesive layers may be used at the interface portion for adhesion between the partition wall and the silicone rubber layer, and in particular, aminosilane compounds and organic titanate H compounds are preferably used. be able to.
- an adhesive component can be added to the silicone rubber layer.
- an aminosilane compound or an organic titanate compound can be used.
- the exposure for producing the partition wall is performed from the substrate separation surface non-forming surface side (back side) of the substrate using the separation partition as a mask, and further, the irradiated UV light is scattered to transmit the incident light to the transmission portion.
- the size of the resin is made to act on the photosensitive resin so that the portion of the resin that is solubilized by photoreaction becomes larger on the silicone rubber layer side.
- an ink repellency treatment using plasma is performed on a separation wall formed on a substrate.
- Gases containing at least fluorine atoms introduced during plasma treatment include CF, C
- halogen gas selected from HF, C F, SF, C F, and C F
- C F octafluorocyclopentene
- the atmospheric lifetime is 0.9 compared to the conventional gas (CF: 50,000 years, ⁇ ?: 3200 years).
- a gas such as oxygen, argon, or helium may be used in combination as necessary.
- CF, CHF, C F, SF, C F, and C F are selected.
- the mixing ratio of 0 within the range of 30% or less when using the mixed gas.
- a method of applying a material having ink repellency (hereinafter also referred to as an ink repellent material) to the surface of a substrate and a partition wall formed on the substrate.
- Examples of the material having ink repellency include fluororesins such as polytetrafluoroethylene, silicone rubber, perfluoroalkyl acrylate, hydrocarbon acrylate, and methylsiloxane.
- fluororesins such as polytetrafluoroethylene, silicone rubber, perfluoroalkyl acrylate, hydrocarbon acrylate, and methylsiloxane.
- those generally considered as ink repellent materials those having a contact angle of 60 ° or more with respect to the colored liquid composition can be suitably used without particular limitation.
- the ink repellent material can be applied by dissolving or dispersing the ink repellent material as it is in a solvent.
- a coating method any method that does not affect the substrate, the separation wall, etc. may be used.
- the optimum method for each material can be selected from slit coating, spin coating, dip coating, roll coating, etc. .
- the UV repellent material other than the separation wall is removed by performing UV'O treatment through the separation wall from the separation wall non-formation surface side (back side) of the substrate on which the separation wall is formed.
- the ink-repellent treatment can be carried out by removing or hydrophilizing treatment (so that the contact angle with the colorant has a difference of 30 ° or more before and after the treatment).
- the patterning method is optimal depending on the material, such as dry treatment such as laser abrasion, plasma ashing, corona discharge treatment, and alkali wet or wet treatment. It is possible to select the method.
- ink repellent treatments (1) to (4) from the viewpoint that the process is simple, (3) a method of imparting ink repellency by plasma treatment is particularly preferred.
- the color filter partition wall-attached substrate of the present invention is produced by the above-described method for manufacturing a color filter partition wall of the present invention, and a photosensitive resin layer configured as described above is applied to the substrate at 50 mW / It has a partition wall formed by pattern exposure with illuminance of cm 2 or more.
- a colored pixel portion was formed by applying droplets of ink (for example, by an ink jet method). This is effective in constructing a color filter capable of effectively suppressing the protrusion of the ink from the separation wall and the color mixture between adjacent patterns and displaying a display quality image with good hue.
- the color filter partition walls are formed as described above, and more preferably by a transfer method.
- each component which comprises the photosensitive resin layer is as above-mentioned, A preferable aspect is also the same.
- the height and optical density of the color filter partition walls are as described above.
- the color filter for a display element of the present invention is configured by providing the above-described substrate with a partition wall for a color filter according to the present invention and a colored pixel portion, and the colored pixel portion is a partition wall of the substrate with a partition wall for a color filter. It was formed by applying droplets to the recesses between them by an ink jet method. Since the color filter partition wall according to the present invention is provided, the hue of ink-ink-applied ink protrusion and color mixture is good, and display quality image display is possible.
- the colored pixel portion is formed as described above in order to form two or more color pixels (for example, RGB three-color pixel pattern) in the recesses surrounded by the separation walls formed on the substrate as described above.
- the liquid composition can be infiltrated by applying droplets to form a plurality of pixels of two or more colors.
- a known method such as an ink jet method or a stripe geese coating method can be used, and an inkjet method is preferred in terms of cost. .
- the means for fixing the shape of the partition wall before forming each pixel but 1) development and re-exposure 2) after development, heating at a relatively low temperature
- the heat treatment can be performed by heating the substrate having the separation wall in an electric furnace, a dryer, or irradiating an infrared lamp.
- the heating temperature in the case of 2) is 50 to 250 ° C., preferably about 70 to 200 ° C., and the heating time is about 10 to 150 minutes.
- the partition wall can be cured well, and it is effective for forming the partition wall having a desired shape.
- a method of thermally curing the ink, a method of photocuring, or a method of ejecting after forming a transparent image receiving layer on the substrate in advance For example, a known method can be used.
- a heating step of performing heat treatment is provided after the colored pixel portion is formed. That is, the substrate on which the colored pixel portion is formed is heated using an electric furnace, a dryer or the like, or is irradiated with light using an infrared lamp or the like.
- the heating temperature and time depend on the composition of the photosensitive resin composition and the thickness of the formed colored pixel portion, but are generally about 120 from the viewpoint of obtaining sufficient solvent resistance, alkali resistance, and ultraviolet absorbance. It is preferred to heat at about ° C to about 250 ° C for about 10 minutes to about 120 minutes.
- the shape of the color filter pattern is not particularly limited, as shown in Fig. 2, regardless of whether it is a general black matrix shape such as a stripe shape, a lattice shape, or a delta arrangement. It may be a shape.
- an inkjet method a method in which charged ink is continuously ejected and controlled by an electric field, a method in which ink is ejected intermittently using a piezoelectric element, and a method in which ink is heated and ejected intermittently using its foaming Various methods can be employed.
- the ink used may be either oily or aqueous.
- a coloring material in the ink both a dye and a pigment can be used, and a pigment is preferable from the viewpoint of durability.
- a coating-type colored ink for example, the colored resin composition described in paragraph Nos. [0034] to [0063] of JP-A-2005-3861, which is used for producing a known color filter,
- the inkjet composition described in paragraph Nos. [0009] to [0026] of JP-A No. 10-195358 can also be used.
- a component that is cured by heating or cured by an energy line such as ultraviolet rays can be added to the ink.
- the component that is cured by heating include various thermosetting resins, and examples of the component that is cured by energy rays include those obtained by adding a photoinitiator to an attalylate derivative or a metatalylate derivative.
- a photoinitiator to an attalylate derivative or a metatalylate derivative.
- those having a plurality of attalyloyl groups and methacryloyl groups in the molecule are more preferable.
- These attalylate derivatives and metatalylate derivatives are water-soluble. Even those that are sparingly soluble in water can be used by emulsifying them.
- the photosensitive resin composition comprised using coloring materials, such as an already described pigment, can be used conveniently.
- thermosetting ink for forming a color filter containing at least a binder and a bifunctional or trifunctional epoxy group-containing monomer is also suitable.
- the color filter according to the present invention preferably has a configuration constituted by a group of three color pixel portions by spraying RGB three colors of ink.
- an overcoat layer can be provided on the entire surface of the colored pixel portion and the separation partition wall for the purpose of improving the durability.
- the overcoat layer can protect the colored pixel parts such as R, G, and B and the separating partition and can flatten the surface. However, it is preferable not to provide it from the viewpoint of increasing the number of processes.
- the overcoat layer can be formed using a resin (oc si
- the overcoat layer include those described in paragraphs [0018] to [0028] of JP-A-2003-28718, and OPTOMA 1 SS6699G (trade name) manufactured by JSR as a commercially available overcoat agent. ).
- the color filter for display element of the present invention can be suitably applied without particular limitation to applications such as televisions, personal computers, liquid crystal projectors, portable terminals such as game machines and mobile phones, digital cameras, and car navigation systems.
- the display device of the present invention is provided with the color filter for display elements of the present invention, and has a color filter partition wall produced by the method for manufacturing a color filter partition wall of the present invention described above. . Since it has a partition wall for color filters, it can display images with good hue and display quality.
- the display device of the present invention includes a display device such as a liquid crystal display device, a plasma display device, an EL display device, a CRT display device, and the like.
- a display device such as a liquid crystal display device, a plasma display device, an EL display device, a CRT display device, and the like.
- the above liquid crystal display device is described in, for example, “Next Generation Liquid Crystal Display Technology” (edited by Tatsuo Uchida, Kogyo Kenkyukai, 1994). There are no particular restrictions on the form of the liquid crystal display device.
- the liquid crystal display device can be configured in various types of liquid crystal display devices described in the “next-generation liquid crystal display technology”.
- color TFT liquid crystal display devices are described in, for example, “Color TFT Liquid Crystal Display” (Kyoritsu Publishing Co., Ltd., issued in 1996).
- the liquid crystal display element of the present invention can also be configured in a liquid crystal display device with a wide viewing angle, such as a horizontal electric field driving method such as IPS and a pixel division method such as MVA. These methods are described, for example, on page 43 of “EL, PDP, LCD display technology and the latest trends in the market” (Toray Research Center, Research Division, 2001).
- the liquid crystal display device can be configured using various known members such as an electrode substrate, a polarizing film, a retardation film, a knocklight, a spacer, and a viewing angle compensation film.
- the above-described substrate with a partition wall for color filter and the color filter for liquid crystal display element of the present invention can be applied to a liquid crystal display device composed of these known members.
- K pigment dispersion 1 and propylene glycol monomethyl ether acetate in the amounts shown in Table 1 below are weighed, mixed at a temperature of 24 ° C ( ⁇ 2 ° C), and stirred at 150 rpm for 10 minutes.
- methylethyl ketone, binder 2, hydroquinone monomethyl ether, DPHA solution, 2,4-bis (trichloromethyl) 6- [4- (N, N-diethoxycarbonylmethyl) amino in the amounts shown in Table 1 ⁇ 3-Bromophenyl] -s-triazine and surfactant 1 are weighed out and added in this order at a temperature of 25 ° C ( ⁇ 2.C), and a temperature of 40 is reached.
- By stirring for 30 minutes at 1 50 r .pm with C ( ⁇ 2.C) was prepared dark composition K1.
- composition of the binder 2 is shown below.
- composition of surfactant 1 is shown below.
- glass substrate An alkali-free glass substrate (hereinafter simply referred to as “glass substrate”) was cleaned with a UV cleaning device, then brush-cleaned with a cleaning agent, and further ultrasonically cleaned with ultrapure water. Thereafter, the glass substrate was heat treated at 120 ° C for 3 minutes to stabilize the surface state.
- the temperature was adjusted to 23 ° C, and the glass substrate coater with a slit-like nozzle (trade name: MH-1600, manufactured by FS Asia Co., Ltd.)
- the deep color composition K1 obtained was applied.
- a vacuum dryer (VCD) manufactured by Tokyo Ohka Kogyo Co., Ltd.
- part of the solvent was dried for 30 seconds to eliminate the fluidity of the coating layer, and then pre-betaged at 120 ° C for 3 minutes to form a membrane.
- a dark photosensitive layer K1 having a thickness of 1.8 zm was formed.
- KOH developer trade name: CDK-l (KOH, nonionic interface) (Activator-containing), Fuji Film Electronics Materials Co., Ltd.
- KOH developer trade name: CDK-l (KOH, nonionic interface) (Activator-containing), Fuji Film Electronics Materials Co., Ltd.
- 100-fold diluted solution was shower-developed at 23 ° C for 80 seconds with a flat nozzle pressure of 0.04 MPa to obtain a pattern image.
- ultrapure water was sprayed at a pressure of 9.8 MPa with an ultra-high pressure cleaning nozzle and the residue was removed.
- post-exposure was performed at an exposure amount of 2,000 mj / cm 2 to form a separation wall having an optical density of 3.5.
- a pigment C.I. Pigment 'Red 254
- a polymer dispersant trade name: Sonores Perth 24000, manufactured by AVECIA
- a solvent ethyl ethoxypropionate
- a pigment dispersion was prepared using a three roll and bead mill. While sufficiently stirring this pigment dispersion with a dissolver, etc., add glycidyl metallate Z styrene copolymer, first epoxy resin, second epoxy resin, and trimellitic acid little by little.
- a colored ink for pixels was prepared.
- Second epoxy resin neopentyldaricol diglycidyl ether
- the obtained color filter substrate was evaluated by an optical microscope for the protruding, mixed color, and presence / absence of white spots in each pixel pattern applied by ink jet. It fits perfectly in the recess, and no protrusion or bleeding, color mixing between adjacent pixel patterns, or white spots in the pattern were not observed.
- the R pixel, the G pixel, and the B pixel that form the obtained color filter substrate and the separation were formed on the partition wall by sputtering to form a transparent electrode.
- an ITO (Indium Tin Oxide) film was formed on the partition wall by sputtering to form a transparent electrode.
- a glass substrate was prepared as a counter substrate, and was patterned using an etching resist for the PVA mode on the transparent electrode and the counter substrate of the color filter substrate, respectively.
- a photo spacer was provided on the transparent electrode (coating) of the color filter substrate above the separation wall, and a alignment film made of polyimide was further provided thereon.
- an epoxy resin sealant is printed on the outer frame so as to surround the entire RGB 3 color pixel pattern on the color filter substrate, and a PVA mode liquid crystal is dropped and bonded to the counter substrate, and then bonded. Both substrates were heat treated to cure the sealant, and a liquid crystal cell was produced.
- a polarizing plate (trade name: HLC2-2518, manufactured by Sanritz Co., Ltd.) was attached to the substrate surfaces on both sides of the produced liquid crystal cell.
- a backlight was constructed using a cold cathode tube, and the backlight was placed on the side of the liquid crystal cell provided with the polarizing plate, whereby a liquid crystal display device was obtained.
- Example 1 except that the exposure illuminance was changed to 300 mWZcm 2 , a separation wall was formed, a color filter substrate was produced, and a liquid crystal display element was produced in the same manner as in Example 1.
- Example 1 a partition wall with high flatness on the upper end surface could be formed.
- the obtained color filter substrate was evaluated in the same manner as in Example 1 for the protrusion, color mixture, and presence or absence of white spots in each pixel pattern applied by inkjet, and the color ink of each color was separated. It fits perfectly in the recesses between the barrier ribs, and no protrusion or bleeding, color mixing between adjacent pixel patterns, or occurrence of white spots in the pattern is observed. I got it.
- the resistance value of the transparent electrode (ITO film) measured in the same manner as in Example 1 was 11 ⁇ well, indicating a low value. This is thought to be due to the improved flatness of the top surface of the separation wall.
- Example 1 except that the proximity type exposure machine equipped with an ultra-high pressure mercury lamp was replaced with a scanning type exposure machine equipped with a laser light source, a separation barrier was formed and a color filter was formed. A substrate was produced to produce a liquid crystal display element. The exposure illuminance at this time was 2200 mW / cm 2 when the illuminometer was installed at the exposure focal point and measured in advance.
- Example 1 a partition wall with high flatness on the upper end surface could be formed.
- the obtained color filter substrate was evaluated in the same manner as in Example 1 for the protrusion, color mixture, and presence or absence of white spots in each pixel pattern applied by inkjet, and the color ink of each color was separated. It fits exactly in the recesses between the barrier ribs, and no protrusion or bleeding, color mixing between adjacent pixel patterns, or white spots in the patterns were not observed.
- the resistance value of the transparent electrode (ITO film) measured in the same manner as in Example 1 was 8 ⁇ / port, indicating a low value. This is considered to be due to the improved flatness of the upper end surface of the partition wall.
- thermoplastic resin layer having the following formulation HI is applied and dried to make a thermoplastic resin.
- a layer was formed.
- an intermediate layer coating solution having the following formulation P1 was further applied onto the thermoplastic resin layer and dried to laminate the intermediate layer.
- the dark color composition K1 prepared in Example 1 was applied on the intermediate layer and dried to further laminate a black dark color light-sensitive layer.
- thermoplastic resin layer having a dry film thickness of 14.6 ⁇ m on the PET temporary support An intermediate layer with a dry film thickness of 1 and a dark photosensitive layer with a dry film thickness of 2 xm are provided, and a protective film (polypropylene film with a thickness of 12 xm) is pressure-bonded to the surface of the dark color photosensitive layer to provide a temporary support.
- a protective film polypropylene film with a thickness of 12 xm
- a non-alkali glass substrate (hereinafter simply referred to as “glass substrate”) is washed with a rotating brush with nylon hair while spraying a glass cleaning solution adjusted to 25 ° C. for 20 seconds with a shower.
- Silane coupling solution N- ⁇ (aminoethyl) ⁇ -aminopropyltrimethoxysilane 0.3 mass% aqueous solution, trade name: ⁇ 603, manufactured by Shin-Etsu Chemical Co., Ltd. ) was sprayed for 20 seconds in a shower and washed with pure water. Thereafter, this substrate was heated at 100 ° C. for 2 minutes with a substrate preheating device.
- the protective film is peeled off from the dark photosensitive transfer material K1 obtained above from the glass substrate after the silane coupling treatment, and the surface of the dark photosensitive layer exposed after the removal and the surface of the glass substrate are removed.
- a laminator (trade name: Lamidl type, manufactured by Hitachi Industries, Ltd.)
- the rubber roller temperature is 130 ° C
- the linear pressure is 100 N / cm
- the conveyance speed is 2.2 mZ. And laminated.
- the PET temporary support was peeled off at the interface with the thermoplastic resin layer, and the temporary support was removed.
- peeling off the temporary support use a proximity-type exposure machine equipped with an ultra-high pressure mercury lamp. With the substrate and mask (quartz exposure mask with image pattern) standing vertically, the mask surface and dark color The distance to the photosensitive layer was set to 200 ⁇ m, and pattern exposure was performed with an exposure dose of 70 mj / cm 2 .
- the illuminance meter was installed at the exposure focal point and the exposure illuminance was measured in advance, it was measured at 6 OmW / cm.
- KOH-based developer trade name: CDK-1 (KOH, containing nonionic surfactant), manufactured by Fuji Film Electronics Materials Co., Ltd.
- CDK-1 KOH, containing nonionic surfactant
- the unexposed portion, the intermediate layer, and the thermoplastic resin layer of the dark photosensitive layer were developed and removed to obtain a black pattern on the glass substrate.
- the entire surface of the glass substrate was post-exposed at 2 OOOmj / cm 2 from the side of the glass substrate where the separation wall was formed in the air to form a separation wall with an optical density of 3.6.
- Fluorosurfactant (trade name: Florard FC_430, manufactured by Sumitomo 3M Co., Ltd.) 0.5% by mass (solid content of the following photosensitive resin)
- an alkali-soluble photosensitive resin (positive photoresist, trade name: AZP4210, manufactured by Hoechst Syapan Co., Ltd.) with a slit-shaped nozzle so that the film thickness is 2 zm is added.
- spaced walls of the glass substrate is formed les, a record, through the separation wall at the exposure amount of the side (back surface side) from 110mj / cm 2 (38mW / cm 2 X 2. 9 seconds) exposure.
- the surface energy between the pixel formation region and the separation partition after the formation of the water repellent resin layer is 10 to 15 dyne / cm at the separation partition (on the water repellent resin layer), and 55 dyne / cm at the pixel formation region (on the glass substrate). cm later.
- the obtained color filter substrate was evaluated in the same manner as in Example 1 for the protruding, mixed color, and presence or absence of white spots in each pixel pattern applied by inkjet, and the colored ink of each color was separated. It fits exactly in the recesses between the barrier ribs, and no protrusion or bleeding, color mixing between adjacent pixel patterns, or white spots in the patterns were not observed. Furthermore, the resistance value of the transparent electrode (ITO film) measured in the same manner as in Example 1 was 9 ⁇ / port, indicating a low value. This is thought to be due to the improved flatness of the upper end surface of the separation wall.
- Example 4 a separation wall was formed in the same manner as in Example 4 except that the dark color photosensitive transfer material prepared in the same manner except that no intermediate layer was provided, and a power filter substrate was formed. And a liquid crystal display element was produced.
- Example 1 except that the exposure illuminance was changed to 40 mWZ cm 2 , a separation wall was formed, a color filter substrate was produced, and a liquid crystal display device was produced in the same manner as in Example 1. At this time, the optical density of the formed partition wall was 3.6.
- the formed partition wall was observed in the same manner as in Example 1.
- h l. 7 ⁇
- d 0.14 xm
- dZh 0.082. It was.
- the results are shown in Table 2 below.
- the obtained color filter substrate was evaluated in the same manner as in Example 1 for the protrusion, color mixture, and presence or absence of white spots in each pixel pattern applied to each ink-jet ink. As a result, color mixture occurred between adjacent pixel patterns.
- the resistance value of the transparent electrode (ITO film) measured in the same manner as in Example 1 was 22 ⁇ / port, and the flatness of the upper end surface of the separation wall was not so high.
- the partition wall formed in a rectangular cross section does not contact the substrate. This prevents ink that has been smudged and smudged with sharp corners (edges) and high flatness at the top surface, color mixing between P-contact pixel patterns, and white spots in the pattern. did it.
- the corners (edges) that do not come into contact with the substrate in the separation wall are rounded, the ink sticks out, bleeds, and is mixed, and white spots in the pattern also occur. Oops.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
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- Photosensitive Polymer And Photoresist Processing (AREA)
- Optical Filters (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/097,452 US8040470B2 (en) | 2005-12-16 | 2006-12-12 | Method for producing partition wall for color filter, substrate with partition wall for color filter, color filter for display element, and display device |
CN2006800466791A CN101326452B (zh) | 2005-12-16 | 2006-12-12 | 滤色片用隔壁的制造方法、带有滤色片用隔壁的基板、显示元件用滤色片、以及显示装置 |
JP2007550172A JPWO2007069593A1 (ja) | 2005-12-16 | 2006-12-12 | カラーフィルタ用隔壁の製造方法、カラーフィルタ用隔壁付基板、表示素子用カラーフィルタ、及び表示装置 |
Applications Claiming Priority (2)
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JP2005363440 | 2005-12-16 | ||
JP2005-363440 | 2005-12-16 |
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WO2007069593A1 true WO2007069593A1 (ja) | 2007-06-21 |
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PCT/JP2006/324738 WO2007069593A1 (ja) | 2005-12-16 | 2006-12-12 | カラーフィルタ用隔壁の製造方法、カラーフィルタ用隔壁付基板、表示素子用カラーフィルタ、及び表示装置 |
Country Status (6)
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US (1) | US8040470B2 (ja) |
JP (1) | JPWO2007069593A1 (ja) |
KR (1) | KR20080077396A (ja) |
CN (1) | CN101326452B (ja) |
TW (1) | TW200734718A (ja) |
WO (1) | WO2007069593A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100050894A1 (en) * | 2007-06-29 | 2010-03-04 | Toppan Printing Co., Ltd. | Printed Matter and Method for Manufacturing Printed Matter |
US20100291358A1 (en) * | 2009-05-18 | 2010-11-18 | Masayuki Takahashi | Structural color body |
JP2012103474A (ja) * | 2010-11-10 | 2012-05-31 | Toppan Printing Co Ltd | カラーフィルタ基板の製造方法及びカラーフィルタ基板、並びにこれを用いた液晶表示装置 |
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JPWO2010047138A1 (ja) * | 2008-10-21 | 2012-03-22 | 日立化成工業株式会社 | 感光性樹脂組成物、シリカ系被膜の形成方法、及びシリカ系被膜を備える装置及び部材 |
KR20110018775A (ko) * | 2009-08-18 | 2011-02-24 | 삼성전자주식회사 | 컬러 필터 박리용 조성물 및 이를 이용한 컬러 필터 재생 방법 |
KR20130119853A (ko) * | 2010-07-02 | 2013-11-01 | 디아이씨 가부시끼가이샤 | 불소계 계면 활성제, 그것을 사용한 코팅 조성물 및 레지스트 조성물 |
CN103238111B (zh) * | 2010-12-10 | 2016-12-07 | 旭硝子株式会社 | 负型感光性树脂组合物、光学元件用间隔壁及其制造方法、具有该间隔壁的光学元件的制造方法以及拒油墨剂溶液 |
TWI529492B (zh) * | 2011-08-30 | 2016-04-11 | Asahi Glass Co Ltd | Negative photosensitive resin composition, partition wall and optical element |
KR101941178B1 (ko) * | 2012-09-28 | 2019-01-23 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 및 유기 발광 표시 장치의 제조 방법 |
EP2768023B1 (en) * | 2013-02-19 | 2019-10-09 | ams AG | Method of producing a radiation sensor semiconductor device comprising a multiple colour filter |
US9746776B2 (en) * | 2014-11-25 | 2017-08-29 | E I Du Pont De Nemours And Company | Low surface energy photoresist composition and process |
CN109188763B (zh) * | 2018-10-15 | 2021-06-15 | 信利半导体有限公司 | 彩色滤光基板及显示装置 |
KR20210155443A (ko) * | 2020-06-15 | 2021-12-23 | 삼성디스플레이 주식회사 | 디스플레이 장치 |
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- 2006-12-12 KR KR1020087016529A patent/KR20080077396A/ko not_active Application Discontinuation
- 2006-12-12 CN CN2006800466791A patent/CN101326452B/zh not_active Expired - Fee Related
- 2006-12-12 US US12/097,452 patent/US8040470B2/en not_active Expired - Fee Related
- 2006-12-12 JP JP2007550172A patent/JPWO2007069593A1/ja not_active Abandoned
- 2006-12-14 TW TW095146790A patent/TW200734718A/zh unknown
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US20100050894A1 (en) * | 2007-06-29 | 2010-03-04 | Toppan Printing Co., Ltd. | Printed Matter and Method for Manufacturing Printed Matter |
US20100291358A1 (en) * | 2009-05-18 | 2010-11-18 | Masayuki Takahashi | Structural color body |
US8920910B2 (en) * | 2009-05-18 | 2014-12-30 | Panasonic Corporation | Structural color body |
JP2012103474A (ja) * | 2010-11-10 | 2012-05-31 | Toppan Printing Co Ltd | カラーフィルタ基板の製造方法及びカラーフィルタ基板、並びにこれを用いた液晶表示装置 |
Also Published As
Publication number | Publication date |
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US8040470B2 (en) | 2011-10-18 |
TW200734718A (en) | 2007-09-16 |
JPWO2007069593A1 (ja) | 2009-05-21 |
US20090231521A1 (en) | 2009-09-17 |
CN101326452B (zh) | 2011-09-07 |
CN101326452A (zh) | 2008-12-17 |
KR20080077396A (ko) | 2008-08-22 |
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