Colour filter substrate for semitransparent-type liquid-crystal display device, method for manufacturing the same, and semitransparent-type liquid
A liquid crystal display device and color filter substrate technology, applied in the directions of instruments, filters, optics, etc., can solve the problems of not recording the light scattering layer technology, not disclosing the characteristics of the color filter, etc., and achieves elimination of height differences and light leakage. , the effect of high image quality
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preparation example Construction
[0121]
[0122] After the mixture of the following composition was uniformly stirred and mixed, it was dispersed with a sand mill for 5 hours using glass beads with a diameter of 1 mm, and then filtered with a 5 μm filter to prepare a dispersion of red pigment 1.
[0123]
[0124]
[0125] A dispersion of green pigment 2 was produced by the same method as green pigment 1 using a mixture having the following composition.
[0126]
[0127]
[0128] A dispersion of Green Pigment 3 was prepared by the same method as Green Pigment 1 using a mixture having the following composition.
[0129]
[0130] 1. Preparation of Green Composition 1
[0131] Then, after stirring and mixing the mixture of the following composition uniformly, it filtered with the filter of 5 micrometers, and obtained the red coloring composition.
[0132]
[0133] 2. Preparation of Green Composition 2
[0134] Green composition 2 was obtained with the same composition and method as green compo...
Embodiment
[0278] (Preparation of light-shielding layer material / black composition)
[0279] (Pigment Dispersion RD1)
[0280] A mixture of 20 parts of C.I. Pigment Red 254 / C.I. Pigment Red 177=80 / 20 (weight ratio) as a colorant, 5 parts (in terms of solid content) of BYK-2001 as a dispersant, and 75 parts of propylene glycol monomethyl ether as a solvent The acetate was processed through a bead mill to prepare a pigment dispersion (RD1).
[0281] (Pigment Dispersion YD1)
[0282] 20 parts of C.I. Pigment Yellow 150 as a coloring agent, 5 parts (solid content conversion) of Solsperse 24000 as a dispersant, and 75 parts of propylene glycol monomethyl ether acetate as a solvent were processed by a bead mill to prepare a pigment dispersion ( YD1).
[0283] (Pigment dispersion BD1)
[0284] 20 parts of C.I. Pigment Blue 15:6 as a colorant, 5 parts (solid content conversion) of AJISPER PB-821 as a dispersant, and 75 parts of propylene glycol monomethyl ether acetate as a solvent were proc...
manufacture example R2
[0311] 100 parts of diketopyrrolopyrrole red pigment PR254 (manufactured by Ciba Specialty Chemicals "IRGAPHOR RED B-CF"; R-1), 18 parts of pigment derivative (D-1), 1000 parts of ground salt, and 120 parts of diethylene glycol were put into a 1-gallon kneader made of stainless steel (manufactured by Inoue Seisakusho), and kneaded at 60° C. for 10 hours.
[0312] Put this mixture into 2000 parts of warm water, stir it with a high-speed mixer for about 1 hour while heating to about 80°C to make a slurry, repeat filtration and water washing to remove salt and solvent, and dry at 80°C for 24 hours. 115 parts of salt mill treated pigment (R2) were obtained.
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Abstract
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