JP2003344641A - Color filter composition allowing water development and color filter transfer film - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a color filter composition and a color filter transfer film having excellent transfer properties and pattern formation properties. <P>SOLUTION: The color filter composition includes at least an azide group containing ultraviolet ray crosslinkable water-soluble resin, a water-soluble polyamide resin having a glass transition temperature of ≤0°C and ≥-60°C, and an inorganic pigment for the color filter. In the color filter transfer film, the color filter layer is provided by applying and drying the color filter composition on one of the surfaces of a film support. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a color filter composition and a color filter transfer film for producing a color filter used for producing various phosphor light emitting display devices by a transfer method.

[0002]

2. Description of the Related Art As a display using a phosphor as a display medium, there are a plasma display (PDP), a field emission display (FED), etc., which is represented by a cathode ray tube (CRT). Since these displays are of a type in which color display is performed by the self-luminous color of the fluorescent substance, a fluorescent substance suitable for each type is selected and used. In such a phosphor light-emitting display, brightness and contrast are one of the most important characteristics. For example, in the case of a CRT, a general method for increasing the screen contrast is to use a dark tint, a semi tint, or a clear panel according to the transmittance of the glass panel. However, this method has a transparency of 40
There is a mutual difference of -50%, 50-60%, and 80-90%, and in particular, there is a tendency that contrast and brightness are in conflict with each other.
That is, the dark tint panel absorbs a large amount of external light to improve the contrast, but has the disadvantage that the light excited by the phosphor is also absorbed by the glass and the brightness is reduced. On the other hand, in the case of the clear panel, most of the light excited by the fluorescent material passes through the glass and the brightness is high, but external light is reflected on the surface and the contrast is lowered. Thus, contrast and brightness have contradictory characteristics, and it is extremely difficult to improve both at the same time.

As a method for minimizing the decrease in brightness and achieving high contrast, in recent years, light selection has been performed by containing a pigment of the same color as each color phosphor between the inner surface of the face panel and the phosphor layer. A method of providing an absorption layer for each phosphor color has been considered. In this method, the effect of reducing the reflection of external light is very large as compared with the decrease of the brightness, and it is an effective method for increasing the contrast. Further, if this light selective absorption layer is combined with a highly transmissive panel glass, it is also effective for high brightness. However, in order to provide a pigment filter layer (hereinafter referred to as a color filter layer) which becomes a light selective absorption layer for each color phosphor layer, conventionally, an aqueous dispersion containing a pigment and a photosensitive resin is applied, and exposure-development Since the color filter layer was formed by the method and then the phosphor layer was formed by the same method, the number of steps was doubled compared to the case where the color filter layer was not formed, and significant equipment addition was required. In addition, the manufacturing cost and throughput were also affected.

Further, in the above-mentioned manufacturing method, since the spin coating method is used for coating the pigment dispersion liquid, coating spots are likely to occur, and after forming color filter layers of three colors corresponding to the three primary colors, When the phosphor layer is formed, the phosphor layer and the color filter layer are misaligned, the color filter layer is removed by the development in the phosphor layer formation step, or the same development step causes the other color fluorescence in the swollen color filter layer. Poor cleaning of the phosphor due to the adherence of body particles causes a decrease in the non-defective product rate, resulting in a significant increase in manufacturing cost.

Further, in Japanese Patent Laid-Open No. 2000-40468, a photosensitive film in which a color filter layer and a phosphor layer are sequentially laminated is used, and after press contact so that the face plate and the color filter layer are in contact with each other, exposure-development is performed to color the film. A method for simultaneously patterning a filter layer and a phosphor is shown. However, this method has a drawback in that the color filter layer and the face plate are not sufficiently adhered to each other, the color filter layer and the phosphor layer are likely to come off from the face plate during development, and stable production cannot be performed. have.

[0006]

DISCLOSURE OF THE INVENTION The present invention makes it possible to form a color filter layer capable of achieving both high contrast and high brightness at the same time as a phosphor layer in a phosphor light-emitting display device represented by a CRT, and Another object of the present invention is to provide a color filter composition and a color filter transfer film that are environmentally friendly because they can be developed with fresh water in a weakly acidic to neutral range.

[0007]

Means for Solving the Problems As a result of intensive studies to solve the above-mentioned problems, the present inventor has found that the azide group-containing UV-crosslinkable water-soluble resin and the glass transition temperature are 0 ° C. or lower and −60 ° C. or higher. By using an aqueous composition containing a water-soluble polyamide resin and an inorganic pigment for a color filter as a color filter layer, it was found that excellent glass adhesion and stable pattern formability are exhibited, and the present invention is completed. I arrived.

That is, the color filter composition of the present invention contains at least an azide group-containing UV-crosslinkable water-soluble resin, a water-soluble polyamide resin having a glass transition temperature of 0 ° C. or lower and −60 ° C. or higher, and an inorganic pigment for color filters. It is characterized by Here, the weight ratio of the azido group-containing UV-crosslinkable water-soluble resin and the water-soluble polyamide resin is preferably in the range of 60/40 to 10/90 in terms of solid content.

The color filter composition of the present invention may further contain a water-soluble polyol in an amount of 0.2 to 5% by weight. Further, the color filter transfer film of the present invention is provided with a color filter layer by coating these color filter compositions on one surface of the film support and drying.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail below with reference to embodiments. The color filter composition of the present invention,
It is used as a color filter layer by coating and drying on either side of the film support. Further, a phosphor layer is further coated or adhered on the color filter layer to form a color filter layer-integrated phosphor transfer film, and the color filter layer and the phosphor layer are formed on the face plate of the phosphor light emitting display device. It aims to be able to form at the same time. That is, when the present composition is used as a color filter layer as a dry coating film, it has high adhesiveness to the face plate surface, and has pattern formability that can be well developed even in neutral water. A color filter layer pattern or a phosphor layer pattern with the color filter layer can be stably obtained. Although the reason for this is not clear, it is thought to be roughly as follows.

That is, by using a water-soluble polyamide resin having a glass transition temperature of 0 ° C. or lower and −60 ° C. or higher as an adhesive component in a color filter composition, high affinity with a face plate and flexibility due to low glass transition temperature are obtained. The highly active nitrene, which has a high structure and exhibits high adhesiveness and is formed from the azido group-containing UV-crosslinking type water-soluble during UV irradiation, attacks the water-soluble polyamide resin and reduces its water-solubility. Therefore, it is considered that the difference in solubility between the UV-irradiated part and the non-irradiated part in water becomes large, and excellent pattern formability is exhibited.

In the present invention, the film support includes
A conventionally known plastic film can be used, for example,
Examples of the film include polyethylene terephthalate, polyethylene, polypropylene, polyvinyl chloride, polystyrene, polycarbonate, and triacetate. The thickness of the film is not particularly limited, but in consideration of workability, etc., 75
It is preferably μm or less. If necessary, a release layer may be provided on the film support to improve the releasability between the film support and the color filter layer. The release layer can be formed of a resin having releasability, such as urethane resin, melamine resin, silicone resin, or a copolymer thereof. The above resins may be used alone or in combination of two or more.

The color filter composition of the present invention is an aqueous resin composition containing a water-soluble polyamide resin and an azide group-containing UV-crosslinkable water-soluble resin, and is an adhesive color filter coated on a film support and dried. Used as a layer. As the hydrophilic group of the above water-soluble polyamide resin,
For example, polyether group, carboxyl group, amino group and the like can be mentioned.

In the present invention, the glass transition temperature of the water-soluble polyamide resin is 0 ° C or lower and -60 ° C or higher.
When the glass transition temperature of the water-soluble polyamide resin is 0 ° C. or lower, the adhesive force to glass is particularly sufficient, and stable transfer can be performed. On the other hand, if the glass transition temperature is too low, a strong tack is generated in the dried coating film, blocking is likely to occur during coating, and stable coating tends to be difficult. Therefore, the glass transition temperature of the water-soluble polyamide resin is -60 ° C or higher.

The UV-crosslinkable water-soluble resin is preferably a polyvinyl alcohol skeleton resin containing an azide group. The azido group is preferably various aromatic azido groups such as phenylazide, 5- (4-azido-2-sulfobenzylidene)-
Particularly preferred is 3- (4,4'-dimethoxybutyl) rhodanine sodium salt. The azido group content is from 0.5 to
The range of 5 mol% is preferable, and 1.0 to 2 mol% is more preferable. If the azido group content is less than 0.5 mol%, a sufficient crosslinking density due to ultraviolet rays cannot be obtained, and the pattern flows during development. If it exceeds 5 mol%, the sensitivity to ultraviolet rays becomes too high and the desired size is obtained. Larger and thicker pattern. When the skeleton of the UV-crosslinkable water-soluble resin is polyvinyl alcohol, the degree of polymerization is 500 to 250.
0 is preferable, and 500 to 2000 is more preferable. If the degree of polymerization is less than 500, the cohesive force of the resin after UV crosslinking will be insufficient, and the pattern will easily flow during development.
If it exceeds 500, the liquid viscosity becomes extremely high, and it becomes difficult to adjust it to a desired coating film thickness.

In the adhesive color filter layer using the composition of the present invention, the adhesiveness upon transfer to an adherend and the water resistance during development of the exposed area (the exposed area should not be peeled off from the adherend). It is important to balance the developability of the unexposed area (there is no development residue in the unexposed area). As described above, in the present invention, when the photosensitive group of the UV-curable water-soluble resin is an azide group type, which is generated at the time of exposure, the highly active nitrene reacts with the water-soluble polyamide resin to generate cross-linking. It is believed that it becomes a pattern on the glass by being insolubilized in water. On the other hand, in the unexposed area, since the high water solubility of the water-soluble photosensitive resin and the water-soluble polyamide resin is maintained as it is, it is washed and removed at the time of development. It is considered that excellent pattern formability is exhibited by using the composition of the present invention as a color filter due to the above-described actions.

The blending weight ratio of the azide group-containing UV-crosslinkable water-soluble resin and the water-soluble polyamide resin in the present invention is a solid content, and the UV-crosslinkable water-soluble resin / water-soluble polyamide resin =
60/40 to 10/90 is preferable, and 4 is more preferable.
It is 0/60 to 20/80. When the blending ratio of the water-soluble polyamide resin is small, the adhesiveness tends to be low and the transferability tends to be unstable. Further, when the blending ratio of the UV-crosslinkable water-soluble resin becomes small, the degree of water-insolubility of the water-soluble polyamide resin is lowered, and the exposed portion is peeled off during development with water, resulting in poor pattern formability. There is a tendency.

The inorganic pigment for color filters contained in the composition of the present invention can be arbitrarily used as long as it has spectral transmission characteristics of the three primary colors. For example, for green, cobalt green (TiO ₂ · CoO · NiO · ZrO ₂ or CoO · Cr ₂ O ₃ · TiO ₂
・ Al ₂ O ₃ ) is the representative, and cobalt blue (CoO ・
Al ₂ O ₃ ) is representative, and iron oxide (Fe ₂ O ₃ ) is representative for red. It is preferable that each of the pigments is an aqueous dispersion having a particle size controlled in the range of 30 to 100 nm for a color filter. The compounding ratio of the inorganic pigment for a color filter and the resin (the total of the UV-crosslinkable water-soluble resin and the water-soluble polyamide resin) in the composition of the present invention can be arbitrarily adjusted according to the desired spectral transmission characteristics.

Further, various water-soluble polyols can be added to the color filter composition of the present invention in order to adjust the developability. Typical examples of the water-soluble polyol include monosaccharide alcohols D-sorbitol, D-mannitol, xylitol and the like, and disaccharide alcohol maltitol, lactitol (monohydrate) and the like can also be used. By adding such a water-soluble polyol to the composition of the present invention in the range of 0.2 to 5% by weight, the pattern formability during water development is improved. Since the water-soluble polyol has a large number of hydroxyl groups in its structure and has relatively high reactivity, it promotes water insolubilization by reacting with the azido group-derived nitrene in the exposed area, resulting in unexposed areas. It is considered that the pattern formability is improved because the part has high water solubility and is easily washed and removed. If the amount of the water-soluble polyol added is less than 0.2% by weight, the effect of the addition will not be exhibited and the pattern formability will not be improved.
When the amount added is more than 5% by weight, the high water-solubility thereof is strongly expressed, so that the exposed portion also falls off during development and the pattern formability deteriorates.

A phosphor layer can be further provided on the color filter layer using the color filter composition of the present invention. In this case, there are a method of directly coating on the color filter layer and a method of pasting and drying a phosphor layer previously coated and dried on another support with an adhesive color filter layer. The latter bonding method is preferable in terms of stability during pattern formation. Further, it is preferable that the phosphor layer contains a so-called photosensitive polymer compound, which is a polymer compound whose solubility in water or a solvent changes before and after exposure to ultraviolet rays or visible light. Considering the influence on the environment, it is preferable to use a photosensitive polymer compound whose solubility in water changes. As long as it has such a property, even if a photosensitive group is present in the molecule of the polymer compound, it can be a mixture of a photosensitizer with a non-photosensitive polymer compound having a crosslinking group. It may be.

Next, an example of a method for producing and using a color filter layer-integrated phosphor layer transfer film using the color filter composition of the present invention will be shown.
First, a water-based resin composition containing a water-soluble polyamide resin, a UV-crosslinkable water-soluble resin, and an inorganic pigment for a color filter is applied and dried on a film support to form an adhesive color filter layer, and then separately in advance. A phosphor layer is coated on a base film having a cushion layer, dried, and then laminated with a laminator or the like so that the adhesive color filter layer and the phosphor layer are in contact with each other. For this bonding, at least one heating roll laminator with an elastic roll is used, and the adhesive color filter layer coated on the film support and the phosphor layer coated on the cushion layer base film are used. Laminate it through the laminator so that it makes contact with. Appropriate conditions are selected for the surface temperature and the processing pressure of the heating roll in order to make the peeling load between the cushion layer and the phosphor layer appropriate.

Thereafter, the film support is peeled off, the color filter layer and the panel glass as an adherend are brought into contact with each other, and the color filter layer is adhered to the panel glass by heating and pressing from the base film side. .
Then, the base film is peeled off at the interface between the cushion layer and the phosphor layer, and the transfer operation is completed. The base film used at this time is selected from the same resin group as the above-mentioned film support, and the cushion layer formed thereon has an uneven surface (for example, a phosphor pattern of the first color or the like is provided in advance). It is provided to ensure that the gaps between the concaves and convexes are embedded when it is transferred to the panel glass surface). The material of the cushion layer is a thermoplastic resin, and examples thereof include ethylene-vinyl acetate copolymer, low density polyethylene, ethylene-ethyl acrylate copolymer, styrene-isoprene copolymer, polyester, and polyolefin resin. . These resins may be used alone or mixed and laminated with an appropriate composition. The thickness of the cushion layer is 20-60
μm is preferred.

When the color filter layer and the phosphor layer are transferred from the phosphor transfer film containing the color filter layer of the present invention to the adherend, the transfer device used for the transfer operation depends on the shape of the adherend. It can be selected appropriately. For example, if the substrate is a panel glass, a dedicated one according to its shape,
In the case of a flat plate, the same laminator as that used for bonding can be used. The transfer conditions are arbitrarily selected, such as the surface temperature of the heating roll, the transfer speed, the processing linear pressure, etc., within a range in which the desired effect can be obtained.

The UV exposure of the color filter layer and the phosphor layer transferred to the adherend can be carried out by a known method. For example, when the adherend is a CRT panel glass, UV exposure is performed through a shadow mask or an aperture grill. A UV lamp capable of irradiating ultraviolet rays having a wavelength of about 300 to 400 nm is preferably used for the exposure, and the exposure amount varies depending on the composition of the photosensitive resin composition.
It is preferably about 20 mJ / cm ² . After exposure to ultraviolet rays, development is performed with water to remove the unexposed portion, and a color filter and phosphor pattern are formed on the glass substrate. Development can be performed by a known method.

[0025]

EXAMPLES Examples of the present invention will be described below.
The present invention is not limited thereby. Moreover, all "parts" and "%" in the examples mean "parts by weight" and "% by weight" unless otherwise specified.

Example 1 A color filter transfer film was prepared by coating and drying the following color filter composition on a polypropylene film of 50 μm. Also, apart from this, 50μ
m polyethylene terephthalate film on one side of which a low-density polyethylene having a thickness of 40 μm was extruded and laminated as a cushion layer to prepare a base film, and the following phosphor composition was applied on the cushion layer and dried to prepare a film. Then, it was laminated so as to face the color filter transfer film. At this time, the thickness of the color filter layer formed by applying the color filter composition was 4.0.
μm, and the thickness of the phosphor layer was adjusted to 15 μm. The laminating conditions were a roll surface temperature of 120 ° C., a laminating speed of 2 m / min, and a laminating linear pressure of 0.3 kg / cm. Then, after peeling off the polypropylene film, a transfer film was set so that the color filter layer was in contact with the inner surface of the panel glass, and transferred with a heating roll. The transfer conditions were a surface temperature of 150 ° C., a transfer speed of 700 mm / min, and a transfer linear pressure of 0.3 kg / cm. Next, exposure was performed through a shadow mask at an exposure dose of 10 mJ / cm ² , and further development was performed with ion-exchanged water by a shower method to obtain a uniform color filter and phosphor pattern on the inner surface of the panel glass. When the obtained color filter and phosphor pattern were observed with a microscope, the line width, developability, and looseness of the pattern were good.

<Color filter composition> 10% by weight of UV-crosslinkable water-soluble resin (azide modified polyvinyl alcohol, azide group content 1.5 mol%, average degree of polymerization 1700) Water-soluble polyamide resin AQ nylon P-70 (Manufactured by Toray Industries, glass transition temperature -50 ° C) 30 wt% Blue color filter pigment (CoO · Al ₂ O ₃ ) 60 wt% A diluent (water / methanol = 50/50) with a liquid concentration of 15 Adjust so that it will be weight%.

<Phosphor layer composition> Blue phosphor 90% by weight Water-soluble photosensitive resin (azide modified PVA, azide group content 1.5 mol%, average degree of polymerization 1700) 10% by weight Diluent Liquid concentration of 4 with (isopropyl alcohol)
Adjust to be 5% by weight.

Example 2 A color filter and a phosphor were prepared in the same manner as in Example 1, except that the azide group content of the UV-crosslinkable water-soluble resin of the color filter composition was 0.8 mol% and the degree of polymerization was 2000. When a pattern was formed, the pattern appeared a little early during development, but there was no looseness on the whole, and a good pattern was obtained.

Example 3 Transfer was performed in the same manner as in Example 1 except that the water-soluble polyamide resin / ultraviolet crosslinking resin ratio of the color filter composition was changed to 40/60. Since transfer to the inner surface of the panel glass could not be performed under the conditions (heating and pressing once), the heating and pressing work was repeated twice without changing the temperature setting and the pressure setting. After the transfer, a color filter and a phosphor pattern were formed in the same manner as in Example 1. Since the pattern tended to be loose at the time of development, the pattern was formed by increasing the exposure amount to 20 mJ / cm ² . However, although the line was slightly thick, a good pattern was obtained.

Example 4 A color filter and a phosphor pattern were formed in the same manner as in Example 1 except that 3% of sorbitol (Sorbit D-70, manufactured by Towa Kasei Co., Ltd.) was added as a monosaccharide alcohol to the color filter composition. As a result, a good pattern was obtained.

Example 5 A color filter and a phosphor pattern were formed in the same manner as in Example 1 except that 5% of maltitol (Amarti syrup, manufactured by Towa Kasei Kogyo Co., Ltd.) as a disaccharide alcohol was added to the color filter composition. As a result, a good pattern was obtained.

Example 6 A color filter and phosphor pattern were formed in the same manner as in Example 1 except that the water-soluble polyamide resin of the color filter composition was Toresin FS1000 (Nagase Chemitech, glass transition temperature -30 ° C). As a result, a good pattern was obtained.

Example 7 In Example 1, the water-soluble polyamide resin of the color filter composition was changed to Fine Resin FR500W (made by Lead City,
A color filter and a phosphor pattern were formed in the same manner except that the glass transition temperature was set to −25 ° C.), and a good pattern was obtained.

Comparative Example 1 In Example 1, the water-soluble polyamide resin in the color filter composition was replaced with a water-soluble acrylic resin SBA-138.
A color filter and a phosphor pattern were formed in the same manner except that the glass transition temperature was -10 ° C. (manufactured by Nisshin Chemical Co., Ltd.). As a result, the pattern was loosened during development.

Comparative Example 2 In Example 1, the ultraviolet-crosslinkable water-soluble resin in the color filter composition was replaced by a stilbenzoyl group-modified polyvinyl alcohol (photosensitive group addition rate: 2.0 mol%, polymerization degree: 170).
When a color filter and a phosphor pattern were formed in the same manner as in Example 1 except that 0), the pattern was loosened during development.

Comparative Example 3 Transfer was performed in the same manner as in Example 1 except that the water-soluble polyamide resin of the color filter composition was AQ nylon A-90 (manufactured by Toray, glass transition temperature 15 ° C.). Under the same transfer conditions as in Example 1 (heating and pressurizing once), transfer to the inner surface of the panel glass could not be performed. Therefore, the temperature setting and the pressure setting were not changed, and the heating and pressing work was repeated 5 times. After the transfer, a color filter and a phosphor pattern were formed in the same manner as in Example 1. As a result, the pattern flowed off during development and the pattern could not be evaluated. The above results are summarized in Table 1 below.

[0038]

[Table 1]

In the table, Tg (glass transition temperature), polyamide (water-soluble polyamide resin), acryl (water-soluble acrylic resin), azide (see text), SBQ (stilbenzoyl group).

The transferability and pattern formability were evaluated as follows. (a) Transferability ◎: Transfer was possible with one heating / pressurizing time during transfer ◯: Transfer was possible with two heating / pressurizing times during transfer △: Five times with heating / pressurizing time during transfer Transfer was possible x: Transfer was not possible even after the number of times of heating and pressurization at the time of transfer was (b) Line width 〇: Target was 150 μm, ± 20 μm △: Target was 150 μm, ± 30 μm × : Target was 150 μm, ± 40 μm (c) Developability ◎: A pattern was obtained within 3 showers during development ◯: A pattern was obtained within 5 showers during development Δ: A pattern was obtained when the number of showers during development was 7 or less. ×: The number of showers during development was 7 or more to obtain the pattern. (D) Loose Here, the looseness means a stripe pattern formed on glass. As the development progresses, it peels off from the glass surface due to water penetration etc. and the shape differs from the original pattern. It refers to a phenomenon in which a. ⊚: No pattern slack ∘: Pattern slack is within 5% △: Pattern slack is within 10% ×: Pattern slack is over 10%

[0041]

As described in detail above, according to the invention of claim 1, at least an azide group-containing UV-crosslinkable water-soluble resin and a water-soluble polyamide resin having a glass transition temperature of 0 ° C or lower and -60 ° C or higher. By using a color filter composition containing an inorganic pigment for a color filter, it has excellent adherend adherence (transferability) and stable pattern formability. Further, according to the invention of claim 2, the weight ratio of the azido group-containing UV-crosslinkable water-soluble resin and the water-soluble polyamide resin is particularly excellent because the solid content is in the range of 60/40 to 10/90. Exhibits transferability and pattern formability. Further, according to the invention of claim 3, 0.2 to 5% by weight of a water-soluble polyol is added to the color filter composition.
By including it, the pattern formability is further improved.

Further, according to the invention of claim 4, a color filter transfer film provided with a color filter layer by coating the above color filter composition on one surface of a film support and drying it is used. Since it has excellent transferability and pattern formability, it is possible to produce a color filter pattern with good productivity and production stability by the transfer method. When a color filter phosphor-integrated transfer film is produced, it is possible to form a color filter layer capable of achieving both high contrast and high brightness simultaneously with the phosphor layer.

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) H01J 29/32 H01J 29/32 (72) Inventor Yuyo Suzuki 1551, Todaira, Higashimatsuyama, Saitama Nippon Paper Industries Co., Ltd. Higashi Matsuyama Plant (72) Inventor Norio Yabe 1551 Todaira, Higashimatsuyama City, Saitama Prefecture F-Term (Reference) 2H025 AA04 AA17 AB13 AC01 AD01 BA08 CB24 CC12 CC20 FA17 2H048 BA02 BA45 BA48 BA64 BB02 BB41 5C028H in Nippon Paper Industries Co., Ltd. CC11

Claims (4)

[Claims] 1. A color filter composition comprising at least an azide group-containing UV-crosslinkable water-soluble resin, a water-soluble polyamide resin having a glass transition temperature of 0 ° C. or lower and −60 ° C. or higher, and an inorganic pigment for a color filter. . 2. The weight ratio of the azido group-containing UV-crosslinkable water-soluble resin and the water-soluble polyamide resin is 60 / solid.
The color filter composition according to claim 1, wherein the color filter composition is in the range of 40 to 10/90. 3. The color filter composition according to claim 1, which contains 0.2 to 5% by weight of a water-soluble polyol. 4. A color filter layer is provided by coating the color filter composition according to claim 1, 2 or 3 on one surface of a film support and then drying it. Color filter transfer film.