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Color cured composition, a color filter, a method for manufacturing the color filter and a liquid crystal display device

A technology of curable composition and color filter, which can be used in instruments, optical filters, nonlinear optics, etc., can solve the problems of undocumented coloring patterns, difficulty in forming high-precision coloring patterns, etc., and achieve the effect of excellent film strength

Inactive Publication Date: 2009-09-30
FUJIFILM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, in the above two techniques, for example, when the pigment concentration is 30% or more, it is difficult to form a high-definition, forward-tapered colored pattern after development and heat treatment.
[0010] In addition, Japanese Patent Application Laid-Open No. 2006-349895 discloses a technique of forming a quadrangular or inverted tapered partition wall using a composition with a very high colorant concentration, but there is no description of forming by exposure, development, and heat treatment. Technology for high-definition, forward-tapered coloring patterns

Method used

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  • Color cured composition, a color filter, a method for manufacturing the color filter and a liquid crystal display device
  • Color cured composition, a color filter, a method for manufacturing the color filter and a liquid crystal display device
  • Color cured composition, a color filter, a method for manufacturing the color filter and a liquid crystal display device

Examples

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preparation example Construction

[0162] In preparation of the alkali-soluble resin, for example, a method by a known radical polymerization method can be employed. Various polymerization conditions such as temperature, pressure, the type and amount of the radical initiator, the type of solvent, etc. when preparing the alkali-soluble resin by the radical polymerization method can be easily set by those skilled in the art. Conditions can be determined experimentally.

[0163] As the linear organic high molecular polymer, a polymer having a carboxylic acid in a side chain is preferable. Can mention for example, in No. 59-44615, No. 54-34327, No. 58-12577, No. 54-25957, No. 59-53836, No. 59-71048 Methacrylic acid copolymers, acrylic acid copolymers, itaconic acid copolymers, crotonic acid copolymers, maleic acid copolymers, partially esterified maleic acid copolymers, etc. Acidic cellulose derivatives of acids, polymers obtained by addition of polymers having hydroxyl groups and acid anhydrides, etc., also incl...

Embodiment 1

[0336]

[0337] The components of the following composition were mixed, stirred and mixed with a homogenizer at a rotation speed of 3000 r.p.m. for 3 hours, and a mixed solution containing a pigment was prepared.

[0338] (composition)

[0339] ·Pigment Green 36 (average primary particle size is 25nm) 70 parts

[0340] ·Pigment Yellow 150 (average primary particle size is 25nm) 30 parts

[0341] ·Phthalocyanine derivatives 10 parts

[0342] (SOLSPERSE 3000, manufactured by Avecia Co., Ltd.)

[0343] ・75 parts of propylene glycol monomethyl ether acetate solution (solid content 40%) of benzyl methacrylate / methacrylic acid (=70 / 30 [molar ratio]) copolymer (Mw: 5,000)

[0344] · Dispersant (BYK-161, manufactured by BYK Company) 35 parts

[0345] ·Propylene glycol monomethyl ether acetate 495 parts

[0346] Next, the mixed solution obtained above was further subjected to a dispersion treatment for 6 hours with a bead disperser (dispermat) (manufactured by GETZMANN) using 0....

Embodiment 2

[0363] A colored curable composition was produced in the same manner as in Example 1, except that Exemplary Compound A-1, which was the specific bifunctional monomer used in Example 1, was replaced by Exemplary Compound A-2 described in Table 1 above. 2.

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Abstract

The present invention provides a color cured composition, a color filter, a method for manufacturing the color filter and a liquid crystal display device, the color cured composition may form high-fineness color pattern with conical section shape and excellent film strength by exposing, developing and heating. The color cured composition contains (a) polymeric monomer having two ethylenic linkage type unsaturated linkage in molecule or oligomer, (b) photoinitiator, (c) thermo-crosslinking agent and (d) colorant; the (a) I / O value of the polymeric monomer having two ethylenic linkage type unsaturated linkage in molecule or oligomer is lower than 0.65, distance between unsaturated linkages in molecule is less than 60 atoms, and more than two ring structures are provided in the molecule; and content of the (d) colorant is more than 30 weight% and less than 60 weight% relative total solid component of the color cured composition.

Description

technical field [0001] The present invention relates to a colored curable composition, a color filter having a colored pattern formed using the colored curable composition, a method for producing the same, and a liquid crystal display device. Background technique [0002] Conventionally, colored curable compositions have been applied to various uses. [0003] For example, a method for forming a permanent pattern using a photosensitive composition containing a binder, a polymerizable compound, a photopolymerization initiator, a thermal crosslinking agent, and a colorant is known (for example, refer to JP 2006-243543 A) . [0004] In addition to this use, for example, the colored curable composition can also be used to form pixels (colored patterns) of color filters. [0005] In recent years, the use of color filters in liquid crystal display elements (LCD) tends to expand not only to monitors but also to televisions (TV). With the trend of expanding the use, color filters ...

Claims

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Application Information

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IPC IPC(8): G03F7/004G02B5/20G03F7/00G02F1/1335
Inventor 疋田政宪
Owner FUJIFILM CORP
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