Colored composition, color filter using same and display device
A technology of coloring composition and color filter, which is applied in the direction of filter, dyed polymer organic compound treatment, photosensitive material used in optomechanical equipment, etc., and can solve the problem that green color filter does not fully meet the brightness requirements and other issues, to achieve high reliability, high-quality brightness, and excellent brightness effects
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[0096] Hereinafter, the present invention will be described in more detail through examples, but the present invention is not limited to these examples. In addition, when not specifically described, "part" and "%" are a mass basis here, and reaction temperature is an internal temperature.
Synthetic example 1
[0097] Synthesis Example 1 (Synthesis of a mixture of the methine compound shown in No. 4 and the methine compound shown in No. 8 in the above specific example)
[0098] (step 1-1)
[0099] In a 500ml four-necked flask, 55 parts of 3,4-dimethylphenylhydrazine hydrochloride (manufactured by Tokyo Chemical Industry Co., Ltd.), 3-methyl-2-butanone ( 32 parts (manufactured by Tokyo Chemical Industry Co., Ltd.), 62 parts of 95% sulfuric acid, and 220 parts of ethanol were stirred at 78° C. for 2 hours. After cooling the reaction solution, water and toluene were added, the organic layer was washed with water, dehydrated with saturated brine, dried with anhydrous sodium sulfate, and concentrated under reduced pressure to obtain an intermediate represented by the following formula (101) Compound (mixture of two types of compounds) 44 parts.
[0100]
[0101] (step 1-2)
[0102] Add 44 parts of the intermediate compound represented by the above formula (101) obtained in step 1-1,...
Synthetic example A
[0109] Synthesis example A (synthesis of binder resin)
[0110] Add 160 parts of methyl ethyl ketone, 10 parts of methacrylic acid, 33 parts of benzyl methacrylate and 1 part of α,α'-azobis(isobutyronitrile) into a 500ml four-necked flask, and let nitrogen flow in while stirring 30 minutes in the flask. Thereafter, the temperature was raised to 80° C., and the mixture was directly stirred at 80 to 85° C. for 4 hours. After the reaction, it was cooled to room temperature to obtain a colorless and transparent homogeneous copolymer solution. It was precipitated in a 1:1 mixed solution of isopropanol and water, filtered, and the solid was taken out and dried to obtain a binder resin. The polystyrene conversion weight average molecular weight of the obtained binder resin was 18,000, and the acid value was 152 (mgKOH / g).
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