Dai Nippon Printing Co., Ltd.

Fumiyasu Murakami

Jun Sato

Toshio Yoshihara

Tomoki Murata

Michihiro Ogura

Masato Okada

Hiroaki Segawa

Daisuke Endo

Yuko Aoyama

Hiroko Amano

Yohei Ito

Takayuki Nakanishi

Yasuchika Hasegawa

A salt-forming compound represented by the following general formula (3): where Xand Xeach independently represent an aromatic ring group optionally containing a substituent; Y represents a divalent hydrocarbon group that the carbon atom directly bound to Xor Xdoes not have a &#x3c0; bond; Zrepresents an organic cation group; e represents an integer of from 1 to 4; and when e is 2 or more, a plurality of Ys and a plurality of Zs may be each the same or different; Arepresents a heteropolyoxometalate anion which is a c-valent anion and which has an oxidation-reduction potential larger than &#x2212;0.3 V relative to the silver/silver chloride electrode; f and c are each an integer of 2 or more; g is an integer of 1 or more; and the salt-forming compound is a normal salt that f&#xd7;e=c&#xd7;g.

Color material dispersion liquid, composition, film, optical filter and display device

A color material dispersion liquid including a color material, which is a salt-forming compound of an organic dye with a heteropolyoxometalate, a dispersant and a solvent, wherein the organic dye is at least one organic dye selected from the group consisting of a porphyrin dye, a tetraazaporphyrin dye, a phthalocyanine dye and a squarylium dye, and wherein the heteropolyoxometalate is a heteropolyoxometalate which has an oxidation-reduction potential larger than &#x2212;0.3 V relative to the silver/silver chloride electrode.

Disclosed is a color material dispersion liquid for color filter, which has excellent heat resistance and is able to form a high-luminance coating film. The color material dispersion liquid for color filters includes (A) a color material, (B) a dispersant and (C) a solvent. 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

A color material dispersion liquid comprising: (A) a color material, (B) a dispersant and (C) a solvent, wherein the color material (A) contains a lake color material of a combination of an acid dye and a polyaluminum chloride; a basicity of the polyaluminum chloride is 70% or more; and a value of a ratio (I/I) between an integral value (I) of a peak corresponding to a four-coordinate aluminum in a solid-stateAl-NMR spectrum of the lake color material and an integral value (I) a peak corresponding to a six-coordinate aluminum therein, is from 0 to 0.50.

Color material dispersion liquid, color resin composition, color material, color filter, method for producing color filter, liquid crystal display device, and light-emitting display device

Disclosed is a non-aqueous dispersant which is a graft copolymer comprising a constitutional unit represented by the following general formula (II) and at least one kind selected from the group consisting of a constitutional unit represented by the following general formula (I) and a constitutional unit represented by the following general formula (I'), or which is a block copolymer comprising a block portion containing a constitutional unit represented by the following general formula (III) and a block portion containing at least one kind selected from the group consisting of a constitutional unit represented by the following general formula (I) and a constitutional unit represented by the following general formula (I&#x2032;): 

Non-aqueous dispersant, color material dispersion liquid for color filter, color filter, liquid crystal display device and organic light-emitting display device

Disclosed is a color material dispersion liquid for a color filter, the dispersion liquid having excellent dispersibility and being capable of forming a high-contrast, high-luminance coating film; a color resin composition for a color filter, the composition having excellent dispersibility and being capable of forming a high-contrast, high-luminance coating film; a color material with excellent dispersibility; a high-contrast and high-luminance color filter; a liquid crystal display device including the color filter, and a light-emitting display device including the color filter. The color material dispersion liquid for a color filter, includes: (A) a color material, (B) a dispersant and (C) a solvent, wherein the color material (A) contains a zirconium lake color material of an acid dye.

Color material dispersion liquid for color filter, color resin composition for color filter, color material for color filter, color filter, liquid crystal display device, and light-emitting display device

Disclosed is a color material dispersion liquid for a color filter, the dispersion liquid being capable of forming a high-luminance coating film with excellent light resistance; a color resin composition for a color filter, the composition being capable of forming a high-luminance coating film with excellent light resistance; a color material that has, while it can form a high-luminance coating film, excellent light resistance; a high-contrast, high-luminance color filter; a liquid crystal display device including the color filter; and a light-emitting display device including the color filter. The color material dispersion liquid for a color filter, includes: (A) a color material, (B) a dispersant and (C) a solvent, wherein the color material (A) contains a cerium lake color material of an acid dye.

Color material dispersion liquid for color filter, color resin composition for color filter, color material, color filter, liquid crystal display device, and light-emitting display device

Disclosed is a color material dispersion liquid for color filter, which has excellent heat resistance and is able to form a high-luminance coating film. The color material dispersion liquid for color filters includes (A) a color material, (B) a dispersant and (C) a solvent. 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: 

The present invention is to provide a color material dispersion liquid which is able to form a high-luminance coating film having excellent heat resistance, with adjusting the color tone of the coating film to a desired color tone. Disclosed is a color material dispersion liquid containing: (A) a color material, (B) a dispersant and (C) a solvent, wherein the color material (A) contains a color material (A-1) in which at least a cation represented by the following general formula (I) and a monovalent anion represented by the following general formula (II) form a salt:  (symbols in the general formulae (I) and (II) are as described in the Description.)

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

Growing community of inventors

Tokyo-to, Japan

Fumiyasu Murakami