Colored photosensitive resin composition color filter and image display device using the same
A technology of photosensitive resin and composition, which is applied in optics, instruments, optical filters, etc., can solve problems such as brightness or color reproducibility, and achieve excellent brightness, solvent resistance, and reliability Effect
Active Publication Date: 2019-07-23
DONGWOO FINE CHEM CO LTD
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
[0006] However, the above-mentioned published patents only improve chemical resistance and heat resistance, and there is a problem that there is no recognition of a solution for improving brightness or color reproducibility
Method used
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manufacture example 1～3
[0152] Production Examples 1-3: Production of Pigment Dispersion Liquid
manufacture example 1
[0153] Production Example 1: Production of Pigment Dispersion Liquid M1
[0154] 12.0 parts by weight of C.I. Pigment Blue 15:6 as a pigment, 4.0 parts by weight of DISPERBYK-2001 (manufactured by BYK) as a pigment dispersant, 44 parts by weight of propylene glycol methyl ether acetate as a solvent, and 40 parts by weight Parts by weight of propylene glycol methyl ether were mixed and dispersed by a bead mill for 12 hours to prepare pigment dispersion liquid M1.
manufacture example 2
[0155] Production Example 2: Production of Pigment Dispersion Liquid M2
[0156] 8.4 parts by weight of C.I. Pigment Blue 15:6 as a pigment, 3.6 parts by weight of purple dye, 4.0 parts by weight of DISPERBYK-2001 (manufactured by BYK) as a pigment dispersant, 44 parts by weight of propylene glycol methyl as a solvent The base ether acetate and 40 parts by weight of propylene glycol methyl ether were mixed and dispersed with a bead mill for 12 hours to prepare a pigment dispersion liquid M2.
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Abstract
The invention provides a colored photosensitive resin composition, and a color filter and an image display device including the same. The colored photosensitive resin composition includes a pigment dispersion containing a colorant, an alkali-soluble resin, a photopolymerizable compound, a photopolymerization initiator, and a solvent. The colorant comprises C.I. Pigment Blue 15:6 and C.I. Pigment Red 177; the content of the C.I. Pigment red 177 is 2 wt% or more and less than 20 wt% with respect to 100 wt% of the entire pigment dispersion. The alkali-soluble resin is a copolymer obtained by copolymerizing a compound represented by chemical formula 1 and a compound represented by chemical formula 2, so that the resin composition has excellent brightness, and has excellent reliability such asno increase in viscosity even when stored for a long period of time. In the chemical formula 1, R1 is a C1-C5 alkylene group, and in the chemical formula 2, R2 to R6 are each independently a C1-C5 alkyl group.
Description
technical field [0001] The present invention relates to a colored photosensitive resin composition, a color filter and an image display device including the colored photosensitive resin composition. Background technique [0002] Color filters are widely used in various display devices such as imaging elements and liquid crystal displays (LCDs), and their range of applications is rapidly expanding. The color filters used in the above-mentioned imaging elements, liquid crystal display devices, etc. are composed of three color patterns of red (Red), green (Green) and blue (Blue), or are composed of yellow (Yellow), magenta (Magenta) ) and blue-green (Cyan) coloring patterns composed of three colors. [0003] The respective colored patterns of the above-mentioned color filters are generally formed with a colored photosensitive resin composition containing a colorant of a pigment or a dye, a binder resin, a photopolymerizable compound, a photopolymerization initiator, and a solv...
Claims
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IPC IPC(8): G03F7/027G02B1/04G02B5/20G03F7/00
CPCG03F7/027G03F7/0007G02B5/20G02B1/04G03F7/033G03F7/105G02F1/133514
Inventor 申铉哲金荣圣
Owner DONGWOO FINE CHEM CO LTD