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Coloring combination for color filter and color filter

A coloring composition and color filter technology, applied in the field of color filters, can solve the problems of unsuitable parts, poor heat resistance, light fastness, poor solubility, etc.

Active Publication Date: 2014-12-24
TOYO INK SC HOLD CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as described in Patent Document 2, for example, dyes tend to be inferior in fastness, such as heat resistance and light resistance, as compared with pigments.
So far, as described in Patent Documents 3 and 4, solutions to problems such as heat resistance and contrast have also been studied, but there are disadvantages such as poor solvent resistance necessary for compatibility with color filters, and unsuitable parts.
In addition, as described in Patent Document 5, dyes tend to have poor solubility in organic solvents suitable as coloring materials for color filters.

Method used

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  • Coloring combination for color filter and color filter
  • Coloring combination for color filter and color filter
  • Coloring combination for color filter and color filter

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0705] (Coloring Composition (SR-1))

[0706] After stirring and mixing the following mixture uniformly, it filtered with the filter of 1.0 micrometers, and obtained the coloring composition (SR-1).

[0707] Pigment monomer (A-1): 0.3 parts

[0708] Salt-forming compound (B-1): 1.4 parts

[0709] Acrylic resin solution (R-1): 47.0 parts

[0710] PGMEA: 51.3 parts

[0711] Propylene Glycol Monomethyl Ether Acetate

Embodiment 2～17、 comparative example 1～7

[0713] (Coloring composition (SR-2~24))

[0714] Except having changed to the composition and compounding quantity (weight part) shown in Table 1 and Table 2, it carried out similarly to coloring composition (SR-1), and obtained coloring composition (SR-2-24).

[0715]

[0716] About the obtained coloring composition (SR-1-24), the heat resistance test was done by the following method. The results are shown in Table 1 and Table 2.

[0717] (Evaluation of heat resistance)

[0718] The coloring composition was applied on a glass substrate so that y=0.090 in the C light source, and a substrate was produced. The luminance (Y1) of the obtained substrate was measured with a microspectrophotometer (“OSP-SP200” manufactured by Olympus Optical Co., Ltd.). Then, the substrate was heated at 230° C. for 60 minutes, and the brightness (Y2) was measured again. The value obtained by dividing (Y2) by (Y1) at this time was used as a heat resistance index. The evaluation criteria are as ...

Embodiment 18

[0729] (Resist Material (CR-1))

[0730] After stirring and mixing the following mixture uniformly, it filtered through the filter of 1.0 micrometers, and obtained the alkali developing type resist material (CR-1).

[0731] Pigment monomer (A-1): 0.3 parts

[0732] Salt-forming compound (B-1): 1.4 parts

[0733] Acrylic resin solution (R-1): 41.0 parts

[0734] dipentaerythritol hexaacrylate

[0735] ("Aronix M-402" manufactured by Toagosei Co., Ltd.): 6.0 parts

[0736] photopolymerization initiator

[0737] (BASF Japan "Irgacure OXE02"): 0.6 parts

[0738] antioxidant

[0739] ("Irganox 1010" manufactured by BASF Japan Co., Ltd.): 0.2 parts

[0740] ("Irgafos168" manufactured by BASF Japan Co., Ltd.): 0.6 parts

[0741] PGMEA: 49.9 parts

[0742] Propylene Glycol Monomethyl Ether Acetate

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PUM

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Abstract

The present invention aims to provide a coloring combination for a color filter and a color filter using the coloring combination, wherein the coloring combination has high brightness and excellent solvent resistance. The object of the present invention is completed through the following coloring combination for the color filter. The coloring combination for the color filter is characterized by comprising colorant, resin and solvent. The colorant comprises pigment monomor (A) represented by the general formula (1), and a salting compound (B) formed by a 3-aryl-methane basic dyestuff and a negative ion perssad-containing rival compound.

Description

technical field [0001] The present invention relates to a coloring composition for color filters used for producing color filters used in color liquid crystal display devices, color pickup tube elements, etc., and a color filter including filter segments formed using the coloring composition for color filters . Background technique [0002] A liquid crystal display device is a display device in which a liquid crystal layer sandwiched between two polarizers controls the degree of polarization of light passing through the first polarizer and controls the amount of light passing through the second polarizer to display. A type of twisted nematic (TN) liquid crystal has become the mainstream. As another typical liquid crystal display system, there is an in-plane switching (IPS) system in which a pair of electrodes are provided on one substrate and an electric field is applied in a direction parallel to the substrate, and a negative dielectric anisotropy is obtained. The vertica...

Claims

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Application Information

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IPC IPC(8): G03F7/004G03F7/033G02B5/20
CPCC09B1/16C09B5/00C09B11/28G02B5/20G02F1/13G03F7/0045
Inventor 吉川裕树佐藤俊之高桥英雄皆岛英范早川纯平
Owner TOYO INK SC HOLD CO LTD
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