Dai Nippon Printing Co., Ltd.

Ishihara Sangyo Kaisha, Ltd.

Dnp Fine Chemicals Co., Ltd.

Hiroaki Segawa

Michihiro Ogura

Tomoki Murata

Masato Okada

Fumiyasu Murakami

Daisuke Endo

Hiroyuki Hasegawa

Tomoko Suzuki

Kazuya Yoshida

Yoshimasa Kobayashi

Kano Sakamoto

Yoshihito Maeno

Tomohiko Imoda

Takashi Kuroda

Hideo Takahashi

Norio Ishii

Akinobu Ushiyama

Kaoru Isobe

Katsuichi Chiba

Shosei Kubota

Yoshiko Tanaka

Sachie Furukawa

Yuichi Yasuda

Hiroshi Oshima

Kei Ikegami

Provided is an optical film that can suppress rainbow unevenness when viewed with the naked eyes without increasing the in-plane phase difference. The optical film has a low-refractive index layer on a plastic film, the plastic film is a biaxially stretched plastic film with an in-plane phase difference of 2500 nm or less, the low-refractive index layer is located on the outermost surface, and the optical film has a region in which ΔEab satisfies specific conditions, wherein the ΔEab is calculated from the differences between the L* value, the a* value, and the b* value obtained by measuring a laminate 1 including the optical film, the polarizer, and the surface light source under specific conditions and the L* value, the a* value, and the b* value obtained by measuring a laminate 2 including the polarizer and the surface light source under specific conditions, respectively.

Optical film, polarizing plate, image display device, and optical film selection method

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

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

The purpose of the present invention is to provide a thermal transfer sheet which can prevent a kick and a scumming, and can form a photographic tone color image of high quality with a continuous tone image by sublimation transfer, while expanding the range of choices for colorants to be included in a colorant layer; a coating liquid for colorant layer to be used for forming the colorant layer of this thermal transfer sheet; a method for manufacturing this thermal transfer sheet; and image forming method employing this thermal transfer sheet. The problem is solved by a thermal transfer sheet () in which at least a colorant layer () is layered on a substrate sheet (), wherein the colorant layer () contains a predetermined solvent, a colorant () dispersible in the predetermined solvent, a dispersant, and a binder resin, and the dispersant being one or more selected from the group consisting of polyether-based dispersants, graft type polymer dispersants, acryl-based block type polymer dispersants, urethane-based polymer dispersants and azo-based dispersants.

Thermal transfer sheet, coating liquid for colorant layer, method for manufacturing thermal transfer sheet, and image forming method

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: 

Disclosed is a non-aqueous dispersant which is excellent in dispersibility and dispersion stability and able to form a resin layer with excellent hydrolysis resistance; a color material dispersion liquid containing the non-aqueous dispersant; and a color resin composition containing the non-aqueous dispersant. The non-aqueous dispersant is a polymer comprising at least one constitutional unit represented by the following general formula (I), wherein at least part of nitrogen sites of the constitutional units each form a salt with an acidic organophosphorous compound comprising one or more selected from the group consisting of organic phosphonic acid monoester compounds resulting from addition of a monofunctional epoxy compound or monofunctional oxetane compound to an organic phosphonic acid: 

Non-aqueous dispersant, color material dispersion liquid and method for producing the same, color resin composition and method for producing the same, color filter, liquid crystal display device, and organic light-emitting display device

An object of the present invention is to provide: a color material dispersion liquid which is able to form a coating film with high luminance, excellent heat resistance and excellent light resistance. Disclosed is a color material dispersion liquid comprising a color material represented by the following general formula (I), a specific dispersant, and a specific solvent, wherein molybdenum and tungsten are contained in a polyoxometalate anion in the color material, and a molar ratio between the molybdenum and the tungsten is 0.4:99.6 to 15:85: (Symbols shown in the general formula (I) are described in the Description.)

Color material 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 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

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&#xb0; 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

An object of the present invention is to provide a color material dispersion liquid which is able to form a coating film with high luminance, excellent heat resistance and excellent light resistance. Disclosed is a color material dispersion liquid including a color material represented by the following general formula (I), a dispersant, and a specific solvent, wherein molybdenum and tungsten are contained in a polyoxometalate anion in the color material, and a molar ratio between the molybdenum and the tungsten is 0.4:99.6 to 15:85: (Symbols shown in the general formula (I) are described in the Description.)

A negative type resist composition for a color filter including (A) a pigment dispersant, (B) a pigment, (C) an alkaline-soluble resin, (D) a polyfunctional monomer, (E) a photo initiator and (F) a solvent.

Negative type resist composition for color filter, color filter using same, and liquid crystal display

A black resin composition for a display device, which can achieve a high optical density even when its light-blocking agent content is relatively low and can achieve a high optical density even when it is formed into a thin film, and a member for display device which can reduce unevenness of display caused by a level difference in a pixel part resulting from the film thickness of the black resin composition. The black resin composition for a display device has a black titanium oxynitride represented by composition formula: TiNOSiO(wherein x and y each are a real number of larger thanbut less than, and n is a real number within the range ofless than or equal to n less than or equal to), containing a nitrogen atom represented by N in an amount ofwt % or more but less thanwt %, and having a specific surface area oftom/g and a crystalline size as measured with an X-ray diffractometer oftonm, and a curable binder system. Also, a member for display device having a light-blocking layer formed using the said black resin composition for display device.

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Tokyo-to, Japan

Hiroaki Segawa