Abstract: A method for manufacturing a color filter comprises a step for charging an ink comprising a thermosetting resin composition onto an opening of a black matrix provided on a transparent substrate and a step for curing the ink by heat treatment. The thermosetting resin composition comprises either a coloring agent, a multifunctional epoxide having at least two glycidyl groups and a compound crosslinked by the multifunctional epoxide; or a coloring agent, a cellulose-reactive compound and a compound crosslinked by the cellulose-reactive compound.

Abstract: A color filter having a wide color reproducing range and provided with green pixels having a high permeability. The color filter is provided with green pixels containing a water soluble dye A having the x- and y-chromaticity characteristics in the CIE chromaticity diagram as described below and a water soluble dye B having the spectroscopic characteristics as described below:Water soluble dye A: x-chromaticity is 0.190 to 0.280 when the y-chromaticity is 0.520 in a phosphate buffer solution comprising 60 mM/liter of Na.sub.2 HPO.sub.4.12H.sub.2 O and 16 mM/liter of KH.sub.2 PO.sub.4 at pH 7.5; andWater soluble dye B: Transmittance of light having a wavelength of 530 nm is 95% or more and transmittance of light having a wavelength of 450 nm is 50% or less in a phosphate buffer solution comprising 60 mM/liter of Na.sub.2 HPO.sub.4.12H.sub.2 O and 16 mM/liter of KH.sub.2 PO.sub.4 at pH 7.5.

Abstract: It is an object of the present invention to provide a color filter manufacturing method which can manufacture a low-cost color filter without causing any ink blurring, any color mixing, and any color omission. In order to achieve the object, according to the present invention, there is provided a color filter manufacturing method for a color filter formed by forming a layer to be colored on a transparent substrate, and discharging an ink colored in a predetermined color for coloring the layer, wherein when a numerical value of the thickness of the layer to be colored is assumed to be d (.mu.m) and a numerical value of the volume of the ink discharged at one discharge is to be Vo (p1: pico-liter), the thickness of the layer to be colored and the volume of the ink are adjusted to establish d>Vo/500.

Abstract: A method for making a color filter substrate includes the steps of: forming barriers on a substrate; placing an ink having a surface tension of 20 to 60 dyne/cm onto regions between the barriers; and curing the ink to form color filters. The volume of the ink charged onto one region is three to ten times the volume of the region. A color filter substrate is produced by the above-mentioned method. A liquid crystal device includes a pair of substrates and a liquid crystal encapsulated between the pair of substrates, wherein one of the pair of substrate is the above-mentioned color filter substrate.

Abstract: A water-based ink containing a pigment, a dispersant for dispersing the pigment, a water-soluble organic solvent, and water. The dispersant used is at least one compound selected from (a) a copolymer having a hydrophilic part and a hydrophobic part, the hydrophilic part having at least one monomer containing a long-chain nonionic group selected from the following formulae (I) to (III), and .alpha., .beta.-ethylenic unsaturated carboxylic acid,CH.sub.2 .dbd.C(R)--COO--(CH.sub.2 CH.sub.2 O).sub.m H (I)CH.sub.2 .dbd.C(R)--COO--(CH.sub.2 CH.sub.2 O).sub.n --(CH.sub.2).sub.l H(II)CH.sub.2 .dbd.C(R)--COO--(CH.sub.2 CH.sub.2 O).sub.p -phenyl-(CH.sub.2).sub.q H (III)where R is H or CH.sub.3, m and n are each a numeral from 2 to 24, l is a numeral from 1 to 12, p is a numeral from 1 to 12, and q is a numeral from 1 to 16; and (b) polyethyleneimine. The ink may be used in an apparatus and according to the present ink jet recording method.

Abstract: A method for manufacturing a color filter colors a large number of filter elements on a substrate respectively in a predetermined color. A filter element is colored while an ink-jet head nozzle and the filter element are aligned. The method comprises a detection step of detecting the position of the filter element, a correction step of correcting a relative position of the filter element and a discharge nozzle for discharging coloring material, based on position information of the filter element detected at the detection step, so that the filter element and the discharge nozzle are aligned, and a coloring step of coloring the filter element by discharging the coloring material by the discharge nozzle.

Abstract: Disclosed herein is a color filter equipped with a plurality of colored light-transmitting areas on its base, wherein the light-transmitting areas are colored with ink dots, and each of the colored portions is continuously formed over a plurality of the light-transmitting areas.

Abstract: The present invention provides a color filter substrate including a color filter formed by patterning a colored resist, and a color filter formed by an ink jet method, and a liquid crystal display device having the color filter substrate. A method of manufacturing the color filter substrate includes the steps of forming a color filter by using a colored resist, and forming a color filter by an ink jet method.

Abstract: Disclosed herein is a process for producing a color filter for liquid crystal display device by applying inks to a base by an ink-jet printing system to arrange colorants on the base, which comprises the steps of applying inks, which each comprise a homopolymer of a monomer represented by the formula (I) ##STR1## or of the formula (II) ##STR2## wherein R.sub.1 is H or CH.sub.3, and R.sub.2 and R.sub.3 are independently H or an alkyl group having 1 to 5 carbon atoms, and/or a copolymer of the monomer with another vinyl monomer and can be cured by light or heat, directly onto the base or onto a resin layer provided on the base by the ink-jet printing system, thereby arranging colorants contained in the inks; and then curing the thus-applied inks by light exposure or heating.

Abstract: A color filter is provided which has picture elements arranged adjacently on a substrate, each picture element comprising a red segmental layer, a green segmental layer, and a blue segmental layer, wherein at least one color of the segmental layers is colored with a dye, and at least one of the other colors of the segmental layers is colored with a pigment.

Abstract: A process for producing a printing medium is disclosed wherein a composition is applied to a substrate and cured by heat treatment, said composition comprising a water soluble cationic polymer (P1) selected from the group consisting of polymer (A) obtained by the addition polymerization of epichlorohydrin and a dialkylamine or dialkanolamine; polymer (B) derived from the addition polymerization of a glycidyl groups-terminated hydrophilic oligomer and an asymmetric diamine, dialkylamine or dialkanolamine; acrylic polymer (C) with a cationized hydroxyl group-containing molecular side chain; and polyvinyl alcohol (D) with a cationized hydroxyl group-containing molecular chain; and a condensable functional group-containing polymer (P2) selected from the group consisting of alkylolacrylamide copolymer and a hydrolyzable trialkylsilyl group-containing copolymer.

Abstract: Provided is a composition curable by active energy rays, comprising a cationic polyacryloyl compound having two or more acryloyl groups and one or more cation groups in a molecule, represented by any of General Formulae (1) to (6) ##STR1## wherein Z.sub.1 to Z.sub.6 represent independently a residue derived from a polyhydric alcohol or a polyepoxide,K.sub.1 represents independently a radical of the formula ##STR2## K.sub.2 represents a radical of the formula ##STR3## R.sub.1 represents independently a radical of the formula ##STR4## wherein R.sub.3 is independently H-- or CH.sub.3 --, and R.sub.2 represents independently a radical of the formulaCH.sub.2 .dbd.CHCOO--, or CH.sub.2 .dbd.C(CH.sub.3)COO--.

Abstract: An ink jet recording head is formed by forming a solid layer of removable material on a substrate to enable formation of flow paths and liquid chambers, coating a surface of the solid layer with a resin and removing the solid layer. The coating is performed by providing a mold, part of which is in contact with the solid layer, and coating the surface of the solid layer excluding at least a part of the surface. Further, bonding wires connecting the head to a circuit board are at least partly coated with the resin.

Abstract: Disclosed herein is a printing medium comprising a base material and an ink-receiving layer which comprises inorganic fine particles and a binder and is provided on the base material, wherein the inorganic fine particles are partly projected from a binder layer of the ink-receiving layer and contained in a proportion of 0.05 to 3 parts per 100 parts of the binder in terms of solids.

Abstract: Disclosed herein is an ink-jet recording process which comprises using at least color inks of yellow, magenta and cyan colors and a black ink, and ejecting out the inks on a recording material to record a color image on the recording material, wherein the color inks contain a penetrability-imparting surfactant and/or a penetrable solvent, and the black ink contains a pigment as a coloring material. An ink set and an instrument for use in such a process are also disclosed.

Abstract: A color filter having shade portions and colored light-transmittable portions on a substrate, said color filter being characterized in that the light-transmittable portions are colored with ink dots, and a difference between a maximum value and a minimum value of light transmittance in a thickness direction in the light-transmittable portions is 20% or less.

Abstract: Provided is a color filter which comprises a substrate and a resin layer on the substrate, the resin layer containing a plurality of colored portions of different colors and non-colored portions.

Abstract: Disclosed herein is a color filter comprising a base equipped with light-transmitting areas, and an ink-receiving layer provided on the base and equipped with colored light-transmitting areas on the light-transmitting areas of the base, wherein the ink-receiving layer comprises a homopolymer of a monomer having a structural unit represented by the formula: ##STR1## wherein R.sub.1 denotes hydrogen or a methyl group, and R.sub.2 and R.sub.3 are, independently of each other, hydrogen or an alkyl group having 1 to 5 carbon atoms, or its copolymer with one or more other vinyl monomers.

Abstract: It is an object of the present invention to provide a color filter repair method which can easily repair defects of a color filter. In order to achieve this object, there is provided a color filter repair method of repairing a defective portion such as a color omission or color irregularity of a filter element of a color filter formed by arranging filter elements colored in predetermined colors on a transparent substrate in the form of a predetermined pattern, wherein the defective portion is repaired by discharging a coloring material of a predetermined color onto the defective portion using an ink-jet head capable of discharging coloring materials of different colors.

Abstract: A color filter is provided which has picture elements arranged adjacently on a substrate, each picture element comprising a red segmental layer, a green segmental layer, and a blue segmental layer, wherein at least one color of the segmental layers is colored with a dye, and at least one of the other colors of the segmental layers is colored with a pigment.