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A coloring photosensitive resin composition, a color filter and an image display device possessing this

A technology of photosensitive resin and composition, applied in the field of image display device and colored photosensitive resin composition, can solve the problems of dye sensitivity reduction, pattern peeling, failure to obtain high transmittance and high light-dark ratio, etc., and achieves excellent sensitivity, Excellent brightness and adhesion

Active Publication Date: 2017-07-18
DONGWOO FINE CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned prior art only discloses an oxime ester-based photopolymerization initiator, and has the following problems: high transmittance and high light-dark ratio cannot be obtained with a minimum amount of dye, and the reduction in sensitivity caused by the dye occurs in the developing process. Problems with pattern peeling, etc.

Method used

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  • A coloring photosensitive resin composition, a color filter and an image display device possessing this
  • A coloring photosensitive resin composition, a color filter and an image display device possessing this
  • A coloring photosensitive resin composition, a color filter and an image display device possessing this

Examples

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Embodiment

[0188] Hereinafter, the present invention will be described in detail based on examples, but the embodiments of the present invention disclosed below are merely illustrative, and the scope of the present invention is not limited to these embodiments. The scope of the present invention is shown by the patent claims, and includes the meaning equivalent to the description of the patent claims and all the modifications within the scope. In addition, in the following Examples and Comparative Examples, unless otherwise specified, "%" and "part" indicating content are based on mass.

[0189] Manufacture of pigment dispersion compositions

[0190] Pigment Dispersion Composition M1

[0191] 12.0 parts by weight of C.I. Pigment Red 254 as a pigment, 5.0 parts by weight of DISPER BYK-2001 (manufactured by BYK Corporation) as a pigment dispersant, and 13.0 parts by weight of 4-hydroxy-4-methyl-2-pentanone as a solvent , and 70.0 parts by weight of propylene glycol methyl ether aceta...

Synthetic example 1

[0196] Synthesis Example 1: Synthesis of Alkali-Soluble Resin

[0197] 120 parts by weight of propylene glycol monomethyl ether acetate, 80 parts by weight of propylene glycol monomethyl ether, 2 parts by weight of AIBN, and acrylic acid were placed in a flask equipped with a stirrer, a thermometer, a reflux condenser, a dropping funnel, and a nitrogen introduction tube. 13.0 parts by weight, 10 parts by weight of benzyl methacrylate, 57.0 parts by weight of styrene, 20 parts by weight of methyl methacrylate, and 3 parts by weight of n-dodecyl mercaptan were nitrogen-substituted. Then, the temperature of the reaction liquid was raised to 110° C. while stirring, and the reaction was carried out for 6 hours. The acid value of the solid content of the synthesized alkali-soluble resin was 100.2 mgKOH / g, and the weight average molecular weight Mw measured by GPC was about 15110.

[0198] Manufacture of colored photosensitive resin composition

Embodiment 1

[0200] 29.74 parts by weight of the pigment dispersion composition M1, 5.66 parts by weight of the pigment dispersion composition M2, 0.52 parts by weight Acid Red 52 (Acid Red 52, manufactured by TCI America), Solvent Red 122 (C.I. Solvent Red 122, BASF Corporation) Production) 0.41 parts by weight, 9.32 parts by weight of the resin of Synthesis Example 1, 9.32 parts by weight of KAYARAD DPHA (manufactured by Nippon Kayaku Co., Ltd.), 0.93 parts by weight of SPI-02 (manufactured by Sanyo Co., Ltd.), 4-hydroxy-4-methyl-2 12.75 parts by weight of -pentanone and 31.34 parts by weight of propylene glycol monomethyl ether acetate were mixed to prepare a colored photosensitive resin composition.

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Abstract

The present invention relates to a coloring photosensitive resin composition, a color filter, and an image display device including the same, and more specifically, the coloring photosensitive resin composition comprises a colorant, an alkali soluble resin, a photopolymerizable compound, a photopolymerization initiator and a solvent , Said colorant comprising at least one selected from the group consisting of C. I. Pigment Red 254, C. I. Pigment Red 177 and C. I. And one or more dyes selected from the group consisting of a xanthene dye represented by the following chemical formula 1 and an azo dye having a metal complex structure, and the photopolymerization initiator comprises a fluorenyl-based oxime ester photoinitiator contained in Chemical formula 2 or chemical formula 3.

Description

technical field [0001] The present invention relates to a colored photosensitive resin composition, a color filter, and an image display device including the same. Background technique [0002] Color filters are widely used in imaging elements, liquid crystal display devices, and the like, and their application range is rapidly expanding. For color filters used in color liquid crystal display devices, image pickup elements, and the like, photosensitive resins containing colorants corresponding to red, green, and cyan are generally uniformly coated by spin coating on a substrate on which a black matrix pattern is formed. After the composition, it is dried by heating (hereinafter sometimes referred to as pre-baking), the formed coating film is exposed to light, developed, and further heated and cured if necessary (hereinafter also referred to as post-baking), and this operation is performed for each color. This is repeated to form pixels of each color, thereby manufacturing. ...

Claims

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Application Information

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IPC IPC(8): G03F7/004G03F7/027G02B5/20
CPCG03F7/004G03F7/027G02B5/20
Inventor 金亨柱康德基金正植
Owner DONGWOO FINE CHEM CO LTD
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