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Colored photosensitive composition, color filter manufacture method, color filter and liquid crystal display device

A technology of photosensitive composition and coloring layer, which is applied in the photoplate making process of patterned surface, photosensitive material used in optomechanical equipment, optics, etc., and can solve the problem of narrow development latitude, unstable performance over time, particle size, etc. Small and other problems, to achieve the effect of wide development latitude, excellent stability over time, and high contrast

Inactive Publication Date: 2012-03-21
FUJIFILM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, halogenated metal phthalocyanine pigments with high brightness, high chroma, and high contrast sometimes have the following problems: the particle size is small, the development latitude is narrower than before, and the performance becomes unstable with time when stored in the form of a colored photosensitive composition.

Method used

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  • Colored photosensitive composition, color filter manufacture method, color filter and liquid crystal display device
  • Colored photosensitive composition, color filter manufacture method, color filter and liquid crystal display device
  • Colored photosensitive composition, color filter manufacture method, color filter and liquid crystal display device

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0092] -Preparation of pigment dispersion composition-

[0093] The preparation method of the pigment dispersion composition of the present invention is not particularly limited, for example, by using a vertical or desktop sand mill, nail mill, slit mill (slit mill), ultrasonic disperser, etc., with a particle size of 0.01 ~1 mm beads made of glass, zirconia, etc. are obtained by microdispersing pigments, pigment dispersants and solvents.

[0094] Two-roll mill, three-roll mill, ball mill, trommel, disperser, kneader, two-way kneader, homogenizer, mixer, single-screw or twin-screw extruder can also be used before bead dispersion. Kneading and dispersing treatment is carried out while applying strong shear force.

[0095] In addition, details about kneading and dispersion are described in "Paint Flow and Pigment Dispersion" by T.C. Patton (John Wiley and Sons, 1964) and the like.

[0096] -Pigment concentration-

[0097]The content of the pigment in the pigment dispersion co...

Embodiment 1

[0356]

[0357] The colored photosensitive composition of Example 1 was prepared by stirring and mixing the components shown in the following composition 1.

[0358] (composition 1)

[0359] · 33.0 parts of pigment dispersion composition containing PG58

[0360] ·15.2 parts of pigment dispersion composition containing PY150

[0361] ·Solvent (PGMEA) 20.1 parts

[0362] 24.6 parts of solvent (3-ethoxyethyl propionate)

[0363] ・Binder resin (allyl methacrylate-methacrylic acid (=copolymerization molar ratio: 8:2) copolymer, weight average molecular weight: 30000) 0.78 parts

[0364] ・Polymerizable monomer: ARONIX M-520 (manufactured by Toagosei Co., Ltd.) 4.43 parts

[0365] · Photopolymerization initiator: 0.14 parts of 2-chlorophenyl-4,5-bisphenylimidazole dimer (B-CIM, manufactured by HODOGAYA Chemical Co., Ltd.)

[0366] · Photopolymerization initiator: IRGACURE OXE01 (manufactured by Ciba Specialty Chemicals Co., Ltd., structure shown below) 1.47 parts

[0367] Ali...

Embodiment 2～12、 comparative example 1～8

[0385] In the composition 1 of Example 1, the types of the pigment dispersion composition, polymerizable monomer, photopolymerization initiator, and chain transfer agent (aliphatic thiol compound) were changed as described in Table 1, except that Each colored photosensitive composition of Examples 2-12 and Comparative Examples 1-8 was prepared similarly to Example 1.

[0386] Using each obtained colored photosensitive composition, except having changed the exposure system in an exposure process as described in Table 1, it carried out similarly to Example 1, and produced the colored pattern.

[0387] In Table 1, the pigment dispersion composition is a pigment dispersion composition indicated by the name of the pigment.

[0388] In addition, the detail of the exposure system described as "proximity type" in Table 1 is the exposure system (proximity type exposure) applied to the exposure process in Example 1. In addition, the details of the exposure method described as "laser" a...

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Abstract

The invention provides a colored photosensitive composition which, under the solution state, with excellent ageing stability and wide development latitude, causes no odor and allows formation of colored cured films with good solvent resistance, and also provides a color filter with good color characteristics of high color purity and high contrast ratio, a color filter manufacture method, and a liquid crystal display deice having such a color filter. The colored photosensitive composition comprises a halogenated zinc phthalocyanine pigment (A), a polymeric monomer (B) having an acid group, an adhesive resin (C), a photoplymerization initiator (D), a chain transfer agent (E) selected from secondary or tertiary aliphatic thiol compounds, and a solvent (F).

Description

technical field [0001] The present invention relates to a colored photosensitive composition, a method for producing a color filter using the colored photosensitive composition, a color filter, and a liquid crystal display device. Background technique [0002] In the past, small liquid crystal display devices such as mobile phones, mobile game machines, and PDAs had to use backlights with limited capacity, such as secondary batteries or dry batteries. Therefore, as colorants for color filters used in these display devices, It is advantageous to use a colorant that has high transparency and can transmit bright lines of a backlight well to display colors. [0003] In recent years, the enlargement of liquid crystal display devices has continued to develop in applications such as liquid crystal display monitors of personal computers and liquid crystal televisions. In these liquid crystal display devices, there is no longer the restriction of the power supply of the backlight, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03F7/032G02B5/20G02F1/1335G03F7/033G03F7/00G03F7/004
CPCG03F7/004G03F7/0045G03F7/027G03F7/028G03F7/032
Inventor 佐竹亮冈部孝太郎
Owner FUJIFILM CORP
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