Color filter ink, color filter ink set and color filter

A color filter, ink technology, applied in the direction of filter, ink, application, etc., can solve the problems of poor dispersion stability, uneven color, uneven concentration, excellent and so on

Inactive Publication Date: 2010-04-07
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the dispersion stability of the zinc complex compound of halogenated phthalocyanine in the ink is poor, and when the color filter ink containing the zinc complex compound of halogenated phthalocyanine is used to form the colored part, It is difficult to prevent the occurrence of color unevenness, density unevenness, etc. stably for a long period of time
In addition, in the case of using a color filter ink containing a halogenated zinc complex of phthalocyanine, it is difficult to make the droplet discharge stability sufficiently excellent.

Method used

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  • Color filter ink, color filter ink set and color filter
  • Color filter ink, color filter ink set and color filter
  • Color filter ink, color filter ink set and color filter

Examples

Experimental program
Comparison scheme
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Embodiment

[0367] Next, specific examples of the present invention will be described.

[0368] [1] Synthesis of polymer (preparation of polymer solution)

Synthetic example 1

[0370] Add 37.6 parts by weight of 1,3-butanediol diacetate as a solvent (solvent) to a 1 L reaction vessel equipped with a stirrer, a reflux cooler, a dropping funnel, a nitrogen introduction tube, and a thermometer, and heat to 90° C. . Next, add 2 parts by weight of 2,2'-azobis(isobutyronitrile) (AIBN) and 3 parts by weight of 1,3-butanediol diacetate (vehicle), and then pour into the flask by dripping The pump was used for about 4 hours to instill 30 parts by weight of γ-methacryloxypropyltrimethoxysilane (manufactured by Dow Corning Co., Ltd., trade name SZ6030). On the other hand, using another infusion pump, 5 parts by weight of 2,2' as a polymerization initiator dissolved in 20 parts by weight of 1,3-butanediol diacetate (vehicle) was instilled over about 4 hours. - A solution (polymerization initiator solution) of dimethyl azobis(isobutyrate) (manufactured by Wako Pure Chemical Industries, Ltd., trade name V-601). After the infusion of the polymerization initiator s...

Synthetic example 2～6

[0372] In the synthesis of the polymer (preparation of the polymer solution), the type, usage amount, and type of the solvent (solvent) of the monomer components used in the synthesis of the polymer were changed to those shown in Table 1. operation. As a result, five types of polymer solutions (polymer solutions A2 to A6) containing the polymer A were obtained.

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Abstract

The present invention provides a color filter ink which has excellent ejecting stability and dispersion stability of pigment, wherein, the color filter ink comprises pigment, solvent, curable resin material, and halogenated phthalocyanine zinc complex as main pigment. Simultaneously the ink comprises a sulfonated pigment derivative as a secondary pigment. The curable resin material comprises the following components: a polymer A obtained by the monomer component represented by the formula (1), and a polymer B obtained by the monomer component represented by the formula (2). In the chemical formula (1), R1 is a hydrogen atom or a C1-7 alkyl group; E is a single bond or bivalent alkyl; R2 and R3 are same or different C1-6 alkyl group or a C1-6 alkoxyl group; R4 is C1-C6 alkoxyl group; x is 0 or 1; and y is an integer in a range of 1-10. In the chemical formula (2), R5 is a hydrogen atom or a C1-7 alkyl group; D is a single bond hydrocarbon group or a bivalent hydrocarbon group or a bivalent hydrocarbon group including a hetero atom; Rf is a C1-20 fluoroalkyl group or fluoroaryl group; and a value z is 0 or 1.

Description

technical field [0001] The present invention relates to an ink for a color filter, an inkset for a color filter, a color filter, an image display device and an electronic instrument. Background technique [0002] Color filters are generally used in liquid crystal display devices (LCD) and the like that perform color display. [0003] In the past, color filters were manufactured using the so-called photolithography method described below. A coating film composed of a material (colored layer-forming composition) is then subjected to photosensitive treatment for irradiating light through a photomask, development treatment, and the like. In such a method, a coating film corresponding to each color is usually formed on almost the entire surface of the substrate, only a part of it is cured, and most of the other parts are removed, and these operations are repeated so that the colors do not overlap, thereby producing a color filter. piece. Therefore, only a part of the coating f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/10G02B5/20G02F1/1335G09F9/35C09D11/00C09D11/322
CPCC09D11/322C09D11/101
Inventor 柴谷正也矶部光宏木口浩史新谷明广
Owner SEIKO EPSON CORP
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