Abstract: The present invention relates to a pigment dispersion composition that is capable of decreasing pattern residues and improving resolution, a resist composition for a color filter including the same, and a color filter fabricated using the same. More particularly, the pigment dispersion composition includes a pigment, a binder resin, a solvent, and a first dispersing agent and a second dispersing agent each represented by a predetermined chemical formula.

Abstract: The present invention relates to a photosensitive resin composition for a color filter and a color filter fabricated using the same. The photosensitive resin composition includes (a) an acrylic-based resin, (b) a photopolymerizable monomer, (c) a photopolymerization initiator, (d) a pigment, and (e) a solvent. The acrylic-based resin is a copolymer including a repeating unit of an ethylenic unsaturated monomer including a carboxyl group and a repeating unit of an ethylenic unsaturated monomer including an alkoxy 4-oxo butanoic acid group. The photosensitive resin composition for a color filter can have residue removing characteristics, and is capable of forming fine pixels and providing a color filter having high resolution.

Abstract: A (meth)acrylate ester includes a (meth)acrylate monomer moiety having an ester oxygen, an anthraquinone moiety having a transmittance spectrum producing red light, and a linking group covalently coupled to the ester oxygen and the anthraquinone moiety, the linking group including phenyl, naphthyl, a linear alkyl group having from 2 to about 10 carbons, a branched alkyl group having from 3 to about 10 carbons, a cycloalkyl group having from about 3 to about 20 carbons, or a substituted aromatic group.

Abstract: Disclosed is a color filter photosensitive resin composition that includes (A) an acryl-based binder resin having at least one carboxyl group, (B) an acryl-based photopolymerizable monomer, (C) a photopolymerization initiator, and (D) a solvent, where at least one of the acryl-based binder resin or the acryl-based photopolymerizable monomer includes a blue dye functional group. The color filter photosensitive resin composition can be prepared into a color filter having uniformity, almost no residue, and high resolution due to ultrafine pixels of 1.4 ?m or less.

Abstract: Disclosed herein are carbon black surface-modified with benzene compound of Formula 1 described in the specification and a carbon black dispersion composition for a black matrix using the carbon black. The carbon black dispersion composition uses carbon black surface-modified with the benzene compound of Formula 1, or about 0.1 to about 20% by weight of a cardo compound selected from cardo monomers, oligomers, polymers and mixtures thereof. The carbon black dispersion composition can provide improved adhesive properties, uniformity and resolution of black matrix patterns, and no undercut is formed on the black matrix patterns.

Abstract: Disclosed is a pigment dispersion composition for producing a color filter. The pigment dispersion composition comprises a pigment, a binder resin, a dispersant and a solvent. The pigment is a blue anthraquinone pigment and is pretreated with a water-soluble inorganic salt and a wetting agent. The pigment dispersion composition can be used to produce a color filter for a color imaging device with good color separation and high transmittance.

Abstract: Disclosed herein are carbon black surface-modified with benzene compound of Formula 1 described in the specification and a carbon black dispersion composition for a black matrix using the carbon black. The carbon black dispersion composition uses carbon black surface-modified with the benzene compound of Formula 1, or about 0.1 to about 20% by weight of a cardo compound selected from cardo monomers, oligomers, polymers and mixtures thereof. The carbon black dispersion composition can provide improved adhesive properties, uniformity and resolution of black matrix patterns, and no undercut is formed on the black matrix patterns.

Abstract: The present invention provides a photosensitive resin composition for a pad protective layer that includes (A) an alkali soluble resin, (B) a reactive unsaturated compound, (C) a photoinitiator, and (D) a solvent. The (A) alkali soluble resin includes a copolymer including about 5 to about 50 wt % of a unit having the Chemical Formula 1, about 1 to about 25 wt % of a unit having the Chemical Formula 2, and about 45 to about 90 wt % of a unit having the Chemical Formula 3, and a method of making an image sensor using the photosensitive resin composition.

Abstract: The photosensitive resin composition for a color filter according to one embodiment of the present invention includes (A) a pigment including a repeating unit of the following Formula 1, (B) a binder resin, (C) a photopolymerization initiator, (D) a photopolymerizable monomer, and (E) a solvent: wherein in the above formula, X, m, and n are the same as in the description.

Abstract: A photosensitive resin composition for producing a color filter is provided. The composition comprises an alkali-soluble resin, a photopolymerizable monomer, a photopolymerization initiator, a pigment, a dispersant and a solvent. As the dispersant, an amino group-containing maleic acid copolymer resin having long side chains is used. The composition can be used to form a pattern of ultra-fine pixels having a size of up to about 1.0 ?m×about 1.0 ?m without leaving any residue. Further provided is a high-resolution color filter for an image sensor produced using the composition.

Abstract: Provided is a photosensitive resin composition that is developable with an aqueous alkaline solution and is suitable for the production of a color filter for an image sensor. The composition comprises an alkali-soluble resin, a photopolymerizable monomer, a photopolymerization initiator, colorants and a solvent. As the colorants, a pigment and a dye are used in combination. The use of the composition enables the formation of fine pixels that exhibit excellent color reproduction and contrast. Therefore, the composition can be used to produce a high-resolution color filter for an image sensor.

Abstract: Disclosed is a pigment dispersion composition for producing a color filter. The pigment dispersion composition comprises a pigment, a binder resin, a dispersant and a solvent. The pigment is a blue anthraquinone pigment and is pretreated with a water-soluble inorganic salt and a wetting agent. The pigment dispersion composition can be used to produce a color filter for a color imaging device with good color separation and high transmittance.