A coloring composition which contains a dye A having a triarylmethane skeleton, a dye B having a xanthene skeleton and a curable compound, and wherein at least one of the dye A and the dye B is a dye multimer; a color filter which uses this coloring composition; a pattern forming method; a method for producing a color filter; a solid-state imaging element; and an image display device.

Colored curable composition color filter pattern forming method method for producing color filter solid-state imaging element and image display device

The present invention is to provide a color material dispersion liquid for color filter, which has excellent heat resistance and is able to form a high-luminance coating film. Disclosed is a color material dispersion liquid for color filters, including: (A) a color material, (B) a dispersant and (C) a solvent, wherein the color material (A) contains (A-1) a color material represented by the following general formula (I) and (A-2) a metal lake color material of a rhodamine-based acid dye: (symbols in the general formula (I) are as described in the Description.)

Color material dispersion liquid for color filters, color material, color filter, liquid crystal display device and organic light-emitting display device

The present invention is to provide a color material dispersion liquid for color filter, which has excellent heat resistance and is able to form a high-luminance coating film. Disclosed is a color material dispersion liquid for color filters, including: (A) a color material, (B) a dispersant and (C) a solvent, wherein the color material (A) contains (A-1) a color material represented by the following general formula (I) and (A-2) a metal lake color material of a rhodamine-based acid dye:
 
(symbols in the general formula (I) are as described in the Description.)

Colorant dispersion liquid for color filters, colorant, color filter, liquid crystal display device and organic light emitting display device

Provided are a coloring material dispersion liquid for a color filter capable of forming a coating film having high luminance and excellent light resistance, a color resin composition for a color filter capable of forming a coating film having high luminance and excellent light resistance, a coloring material that is capable of forming a coating film with high luminance and that also excels in light resistance, a color filter having high contrast and high luminance, a liquid crystal display apparatus and a light emitting display apparatus comprising the color filter. The coloring material dispersion liquid for a color filter comprises a (A) coloring material, a (B) dispersion agent, and a (C) solvent, wherein the (A) coloring material comprises a cerium lake coloring material of an acid dye.

Coloring material dispersion liquid for color filter, color resin composition for color filter, color material, color filter, liquid crystal display apparatus, and light emitting display apparatus

PROBLEM TO BE SOLVED: To provide an image display device module that comprise a light emitting device and color filter, and allows an image display device excellent in display stability of a white point to be configured, and to provide an image display device including the image display device module.SOLUTION: A image display device module and image display device including the image display device module comprise: a light emitting device that includes a nitride semiconductor light emitting element serving as a light source having a light emitting peak wavelength in a wavelength of 240nm to 560nm; a red phosphor that has a maximum excitation wavelength in the wavelength range where the light emitting peak wavelength is 610nm to 670nm, and is activated by a quadrivalent manganese ion in which a half value width of a light emission spectrum is equal to or less than 30nm; and a green phosphor that has the light emitting peak wavelength in the wavelength range of 510nm to 550nm; and a color filter that has a blue pixel in which a difference between a maximum value and minimum value of transmittance of a wavelength range of 420nm to 460nm in a spectroscopic transmission curve is equal to or less than 4%.SELECTED DRAWING: None

Image display device module and image display device

Provided is a colorant dispersion liquid that has excellent heat resistance compared to cases in which dyes have been used in the prior art, and that is capable of forming a high brightness coating film. The colorant dispersion liquid contains a colorant (A), a dispersant (B), and a solvent (C). The colorant (A) includes a color material represented by general formula (I), and a xanthene dye. The solubility of each of the color material and the xanthene dye in the solvent (C) at 23°C is 0.2 (g/100 g of solvent) or less. The color material and the xanthene dye are dispersed in the solvent (C) by the dispersant (B). (Each symbol in general formula (I) is as described in the specification.)

Colorant dispersion liquid, manufacturing method for colorant dispersion liquid, colored resin composition for color filter, color filter, liquid crystal display device, and organic light-emitting display device

Provided is a coloring material dispersion whereby a coating film can be formed which has excellent stability over time and enhanced heat resistance. A coloring material dispersion containing a coloring material represented by general formula (I), a dispersing agent, an organic acid compound, and a solvent, the dispersing agent being a block copolymer having at least structural units (a) represented by general formula (II) and having an amine value of 70 mg KOH/g to 160 mg KOH/g, the solvent being a solvent in which the solubility of the coloring material at 23°C is 0.1 (g/10 mL solvent) or lower, and the coloring material dispersion satisfying expressions (1) and (2), and satisfying expression (3) when X is in a range less than 1. Expression (1): X ≤ 1.5. Expression (2): A × X ≥ 40. Expression (3): A × (1 – X) ≤ 42. (The reference symbols in expressions (1) through (3) and general formulas (I) and (II) are as described in the specification.)

Coloring material dispersion, colored resin composition for color filter, color filter, and display device

The present invention is to provide a colorant dispersion liquid which is able to form a high-luminance coating film having better heat resistance compared to the case of using conventional dyes. Disclosed is a colorant dispersion liquid containing (A) a colorant, (B) a dispersant, and (C) a solvent, wherein the colorant (A) contains a color material represented by the following general formula (I) and a xanthene-based dye; a solubility of the color material in the solvent (C) and that of the xanthene-based dye in the solvent (C) are each 0.2 (g/100 g solvent) or less at 23° C.; and the color material and the xanthene-based dye are dispersed in the solvent (C) by the dispersant (B): (The symbols in the formula are as described in the Description.)

Colorant dispersion liquid, method for producing colorant dispersion liquid, color resin composition for color filters, color filter, liquid crystal display device, and organic light-emitting display device

The present invention is to provide a color material dispersion liquid which is excellent in temporal stability and is able to form a coating film with better heat resistance. Disclosed is a color material dispersion liquid comprising a color material represented by the following general formula (I), a dispersant, an organic acid compound and a solvent, wherein the dispersant is a block copolymer which has at least a constitutional unit (a) represented by the following general formula (II) and which has an amine value of 70 mg KOH/g or more and 160 mg KOH/g or less; the solvent is a solvent which has a solubility of the color material of 0.1 (g/10 ml solvent) or less at 23 DEG C; and the color material dispersion liquid satisfies the following formulae (1) and (2), and it also satisfies the following formula (3) when X is less than 1: Formula (1) : X ≤ 1.5 (1) Formula (2) : A*X ≥ 40 (2) Formula (3) : A*(1-X) ≤ 42 (3) (Symbols in the formulae (1) to (3) and the general formulae (I)and (II) are as described in the Description.).

Hiroshi Oshima

Papers

Colorant dispersion liquid, manufacturing method for colorant dispersion liquid, colored resin composition for color filter, color filter, liquid crystal display device, and organic light-emitting display device

Coloring material dispersion, colored resin composition for color filter, color filter, and display device

Colorant dispersion liquid, method for producing colorant dispersion liquid, color resin composition for color filters, color filter, liquid crystal display device, and organic light-emitting display device

Color material dispersion liquid, color resin composition for color filters, color filter, and display device