Dai Nippon Printing Co., Ltd.

Yamamoto Chemicals, Inc.

Hoya Corporation

Takasago International Corporation

Dnp Fine Chemicals Co., Ltd.

Masato Okada

Toshihiko Takeda

Jun Sato

Toshio Yoshihara

Tomoki Murata

Shigehiro Ueno

Michihiro Ogura

Hiroaki Segawa

Fumiyasu Murakami

Seiji Take

Keisuke Hashimoto

Daisuke Endo

Hiroko Amano

Masaya Shimogawara

Satoshi Kinoshita

Yosuke Taguchi

Tohru Kobayashi

Masataka Kano

Shin-ya Fujimoto

Satoshi Suzuki

Yoshinobu Kashibuchi

Tomonori Akai

Yoshihito Maeno

Kazunari Ikeda

Yuko Aoyama

Shinsuke Nagino

Hiroshi Oshima

Makoto Komukai

Eiji Otsuki

Masato Asou

Takeshi Matsuhashi

Takafumi Yoshida

Nanae Tagaya

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 filter including at least a transparent substrate and color layers disposed on the substrate. At least one of the color layers contains a compound which is represented by the following general formula (I): In general formula (I), 'A' is a substituent group represented by the following general formula (IV): 

Color material dispersion liquid, color resin composition, color filter, liquid crystal display device, and light-emitting 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 including a color material, a dispersant and a solvent, wherein the color material contains a compound which is represented by the following general formula (I) and which contains one or more structures selected from the following structures (i) and (ii); wherein (i) 'A' is an aliphatic hydrocarbon group containing two or more alicyclic hydrocarbon groups, containing a saturated aliphatic hydrocarbon group at a terminal position directly bound to 'N', and optionally containing O, S, N in a carbon chain, and (ii) at least one of Rto Ris a cycloalkyl group optionally containing a substituent group or an aryl group optionally containing a substituent group. 

A compound represented by the following general formula (I): (the symbols in the general formula (I) are as described in the Description),

Compound and intermediate thereof

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 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 with excellent dyeing property and excellent heat resistance, and a method for producing the color material, which is able to obtain the color material with high purity and at high yield. Disclosed is a color material represented by the following general formula (I): (symbols in the general formula (I) are as described in the Description.)

Coloring material and method for producing the same

A color material dispersion liquid comprising a color material represented by the following general formula (I), a dispersant, and a solvent having a solubility of the color material of 0.1 (mg/10 g solvent) or less at 23&#xb0; C., having excellent solvent resistance and excellent electrical reliability; a color resin composition for color filters, which can form a color layer that has high contrast, excellent solvent resistance and excellent electrical reliability; a color filter formed with the color resin composition for color filters; a liquid crystal display device having the color filter; and an organic light-emitting display device having the color filter.

Color material 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 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

A device including a substrate, two or more electrodes facing each other disposed on the substrate and a positive hole injection transport layer disposed between two electrodes among the two or more electrodes, wherein the positive hole injection transport layer contains a reaction product of a transition metal complex or complexes, and wherein at least one or more kinds of transition metals selected from the group consisting of vanadium, rhenium and platinum, or a mixture of molybdenum and one or more kinds of transition metals selected from the group consisting of vanadium, rhenium and platinum is contained in a central metal or metals of the transition metal complex or complexes.

Device comprising positive hole injection transport layer, method for producing the same and ink for forming positive hole injection transport layer

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.)

Growing community of inventors

Tokyo-to, Japan

Masato Okada