Color filter, production process thereof, and liquid crystal display panel equipped with the color filter

Claim 2

The process according to Claim 1, wherein an ink obtained by mixing one of the dyes set forth in Claim 1 with a yellow dye is used as the green ink.

Claim 3

The process according to Claim 2, wherein the yellow dye is selected from the group consisting of C.I. Acid Yellow 23, C.I. Direct Yellow 86 and C.I. Direct Yellow 142.

Claim 4

The process according to Claim 1, wherein an ink obtained by mixing one of the dyes set forth in Claim 1 with a dye selected from dyes of red, magenta and violet colors is used as the blue ink.

Claim 5

The process according to Claim 4, wherein the dye of a red, magenta or violet color is selected from the group consisting of C.I. Acid Red 145, 157, 289 and 319, and C.I. Acid Violet 9 and 51.

Claim 6

The process according to Claim 1, wherein the concentration of the dyes in each of the inks is from 0.1 to 15 % by weight.

Claim 7

The process according to Claim 1, wherein the inks each contain from 5 to 50 % by weight of a solvent having a boiling point of from 150 to 250°C

Claim 8

The process according to Claim 1, wherein the base is optically transparent and an ink-receiving layer is provided on the base.

Claim 9

The process according to Claim 8, wherein a material forming the ink-receiving layer comprises a water-soluble acrylic monomer units.

Claim 10

The process according to Claim 8, wherein a material forming the ink-receiving layer comprises a water-soluble cellulosic polymer.

Claim 11

A color filter produced by the process according to any one of Claims 1 to 10.

Claim 12

A process for producing a color filter by applying inks of red, blue and green colors to a base having light-screening areas and light-transmitting areas by an ink-jet system to arrange colorants on the base, which comprises the steps of: (1) providing a resin layer which is capable of setting by light irradiation or light irradiation and heating and is ink-receptive onto the base; (2) setting a part of the resin layer on the light-screening areas by light irradiation or light irradiation and heating; (3) applying colorants to unset portions of the resin layer by the ink-jet system using at least a blue or green ink comprising a dye selected from the group consisting of C.I. Direct Blue 86, C.I. Direct Blue 87 and C.I. Direct Blue 199; and (4) setting the colored portions of the resin layer by light irradiation or light irradiation and heating.

Claim 13

The process according to Claim 12, wherein the width of the resin layer on the light-screening areas set in the step (2) is narrower than that of the light-screening area.

Claim 14

The process according to Claim 12, further comprising forming a second settable resin layer on the resin layer.

Claim 15

The process according to Claim 14, wherein the second settable resin layer comprises a resin composition capable of setting by light irradiation and/or heating.

Claim 16

The process according to Claim 12, further comprising forming an inorganic layer by vacuum deposition or sputtering.

Claim 17

The process according to Claim 12, wherein an ink obtained by mixing one of the dyes set forth in Claim 12 with a yellow dye is used as the green ink.

Claim 18

The process according to Claim 17, wherein the yellow dye is selected from the group consisting of C.I. Acid Yellow 23, C.I. Direct Yellow 86 and C.I. Direct Yellow 142.

Claim 19

The process according to Claim 12, wherein an ink obtained by mixing one of the dyes set forth in Claim 12 with a dye selected from dyes of red, magenta and violet colors is used as the blue ink.

Claim 20

The process according to Claim 19, wherein the dye of a red, magenta or violet color is selected from the group consisting of C.I. Acid Red 145, 157, 289 and 319, and C.I. Acid Violet 9 and 51.

Claim 21

The process according to Claim 12, wherein the concentration of the dyes in each of the inks is from 0.1 to 15 % by weight.

Claim 22

The process according to Claim 12, wherein the inks each contain from 5 to 50 % by weight of a solvent having a boiling point of from 150 to 250°C

Claim 23

The process according to Claim 12, wherein a material forming the ink-receiving layer is a polymer containing at least water-soluble acrylic monomer units.

Claim 24

The process according to Claim 12, wherein a material forming the ink-receiving layer comprises a water-soluble cellulosic polymer.

Claim 25

A color filter produced by the process according to any one of Claims 12 to 24.

Claim 26

A color filter arranged with pixels colored in red, green and blue, wherein at least one of the portions colored in blue and green contains a dye selected from the group consisting of C.I. Direct Blue 86, C.I. Direct Blue 87 and C.I. Direct Blue 199.

Claim 27

The color filter according to Claim 26, wherein the portions colored in green contain one of the dyes set forth in Claim 26 and a yellow dye.

Claim 28

The color filter according to Claim 27, wherein the yellow dye is selected from the group consisting of C.I. Acid Yellow 23, C.I. Direct Yellow 86 and C.I. Direct Yellow 142.

Claim 29

The color filter according to Claim 26, wherein the portions colored in blue contain one of the dyes set forth in Claim 26 and a dye selected from dyes of red, magenta and violet colors.

Claim 30

The color filter according to Claim 29, wherein the dye of a red, magenta or violet color is selected from the group consisting of C.I. Acid Red 145, 157, 289 and 319, and C.I. Acid Violet 9 and 51.

Claim 31

A color filter comprising a base having light-screening areas and light-transmitting areas, and a resin layer provided thereon and the resin layer having portions colored in red, blue and green, wherein the resin layer on the light-screening areas has a colored portion and an uncolored portion, and at least one of the portions colored in blue and green contains a dye selected from the group consisting of C.I. Direct Blue 86, C.I. Direct Blue 87 and C.I. Direct Blue 199.

Claim 32

The color filter according to Claim 31, wherein the portions colored in green contain one of the dyes set forth in Claim 31 and a yellow dye.

Claim 33

The color filter according to Claim 32, wherein the yellow dye is selected from the group consisting of C.I. Acid Yellow 23, C.I. Direct Yellow 86 and C.I. Direct Yellow 142.

Claim 34

The color filter according to Claim 31, wherein the portions colored in blue contain one of the dyes set forth in Claim 31 and a dye selected from dyes of red, magenta and violet colors.

Claim 35

The color filter according to Claim 34, wherein the dye of a red, magenta or violet color is selected from the group consisting of C.I. Acid Red 145, 157, 289 and 319, and C.I. Acid Violet 9 and 51.

Claim 36

The color filter according to Claim 31, further comprising a protective layer on the resin layer.

Claim 37

The color filter according to Claim 31, wherein the colored portions adjoin the light-screening areas.

Claim 38

The color filter according to Claim 31, wherein the width of the uncolored portion is narrower than that of the light-screening area.

Claim 39

The color filter according to Claim 31, wherein the colored portions are formed by ink dots.

Claim 40

The color filter according to Claim 26, wherein the pixels are arranged in an ink-receiving layer provided on an optically transparent base.

Claim 41

The color filter according to Claim 40, wherein a material forming the ink-receiving layer is a polymer containing at least water-soluble acrylic monomer units.

Claim 42

The color filter according to Claim 40, wherein a material forming the ink-receiving layer comprises a water-soluble cellulosic polymer.

Claim 43

A liquid crystal display panel comprising the color filter according to any one of Claims 26 to 30, a panel base provided in an opposing relation with the color filter and a liquid crystal composition enclosed in a space between the color filter and the panel base.

Claim 44

An information processor equipped with the liquid crystal display panel according to Claim 43.

Claim 45

A liquid crystal display panel comprising the color filter according to any one of Claims 31 to 42, a panel base provided in an opposing relation with the color filter and a liquid crystal composition enclosed in a space between the color filter and the panel base.

Claim 46

An information processor equipped with the liquid crystal display panel according to Claim 45.