US6248482B1 — Ink, color filter, liquid crystal panel, and comp…

Claim 1

Independent Claim 109 words

An ink for ink-jet recording, comprising a pyrazolone dye of the general formula (I): wherein R 1 and R 2 are independently selected from the group consisting of a hydrogen atom, an OH group, a halogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, a nitro group, a CF 3 group and an SO 3 (M1) group, where M1 is an alkali metal or NH 4 ; at least one of R 1 and R 2 is a CF 3 group; and both R 3 and R 4 are an SO 3 (M2) group, where M2 is an alkali metal or NH 4 .

Claim 2

Dependent Claim 109 words

An ink for ink-jet recording, comprising a pyrazolone dye of the general formula (I): wherein R 1 and R 2 are independently selected from the group consisting of a hydrogen atom, an OH group, a halogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, a nitro group, a CF 3 group and an SO 3 (M1) group, where M1 is an alkali metal or NH 4 ; at least one of R 1 and R 2 is a CF 3 group; and both R 3 and R 4 are an SO 3 (M2) group, where M2 is an alkali metal or NH 4 .

Claim 3

Dependent Claim 31 words

The ink according to claim 1 , wherein in the pyrazolone dye of the general formula (I), R 1 is a CF 3 group and R 2 is a hydrogen atom.

Claim 4

Dependent Claim 103 words

An ink for ink-jet recording, comprising a pyrazolone dye of the general formula (I): wherein R 1 and R 2 are independently selected from the group consisting of a hydrogen atom, an OH group, a halogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, a nitro group, a CF 3 group and an SO 3 (M1) group, where M1 is an alkali metal or NH 4 ; both R 3 and R 4 are an SO 3 (M2) group, where M2 is an alkali metal or NH 4 ; and wherein the ink further comprises a phthalocyanine dye.

Claim 5

Dependent Claim 103 words

An ink for ink-jet recording, comprising a pyrazolone dye of the general formula (I): wherein R 1 and R 2 are independently selected from the group consisting of a hydrogen atom, an OH group, a halogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, a nitro group, a CF 3 group and an SO 3 (M1) group, where M1 is an alkali metal or NH 4 ; both R 3 and R 4 are an SO 3 (M2) group, where M2 is an alkali metal or NH 4 ; and wherein the ink further comprises a phthalocyanine dye.

Claim 6

Dependent Claim 126 words

An ink for ink-jet recording, comprising a pyrazolone dye of the general formula (I): wherein R 1 and R 2 are independently selected from the group consisting of a hydrogen atom, an OH group, a halogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, a nitro group, a CF 3 group and an SO 3 (M1) group, where M1 is an alkali metal or NH 4 ; both R 3 and R 4 are an SO 3 (M2) group, where M2 is an alkali metal or NH 4 ; wherein at least one of R 1 and R 2 in the pyrazolone dye of the general formula (I) is a nitro group; and wherein the ink further comprises a phthalocyanine dye.

Claim 7

Dependent Claim 126 words

An ink for ink-jet recording, comprising a pyrazolone dye of the general formula (I): wherein R 1 and R 2 are independently selected from the group consisting of a hydrogen atom, an OH group, a halogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, a nitro group, a CF 3 group and an SO 3 (M1) group, where M1 is an alkali metal or NH 4 ; both R 3 and R 4 are an SO 3 (M2) group, where M2 is an alkali metal or NH 4 ; wherein at least one of R 1 and R 2 in the pyrazolone dye of the general formula (I) is a nitro group; and wherein the ink further comprises a phthalocyanine dye.

Claim 8

Dependent Claim 127 words

An ink for ink-jet recording, comprising a pyrazolone dye of the general formula (I): wherein R 1 and R 2 are independently selected from the group consisting of a hydrogen atom, an OH group, a halogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, a nitro group, a CF 3 group and an SO 3 (M1) group, where M1 is an alkali metal or NH 4 ; both R 3 and R 4 are an SO 3 (M2) group, where M2 is an alkali metal or NH 4 ; wherein at least one of R 1 and R 2 in the pyrazolone dye of the general formula (I) is a CF 3 group; and wherein the ink further comprises a phthalocyanine dye.

Claim 9

Dependent Claim 127 words

An ink for ink-jet recording, comprising a pyrazolone dye of the general formula (I): wherein R 1 and R 2 are independently selected from the group consisting of a hydrogen atom, an OH group, a halogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, a nitro group, a CF 3 group and an SO 3 (M1) group, where M1 is an alkali metal or NH 4 ; both R 3 and R 4 are an SO 3 (M2) group, where M2 is an alkali metal or NH 4 ; wherein at least one of R 1 and R 2 in the pyrazolone dye of the general formula (I) is a CF 3 group; and wherein the ink further comprises a phthalocyanine dye.

Claim 10

Dependent Claim 127 words

An ink for ink-jet recording, comprising a pyrazolone dye of the general formula (I): wherein R 1 and R 2 are independently selected from the group consisting of a hydrogen atom, an OH group, a halogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, a nitro group, a CF 3 group and an SO 3 (M1) group, where M1 is an alkali metal or NH 4 ; both R 3 and R 4 are an SO 3 (M2) group, where M2 is an alkali metal or NH 4 ; wherein in the pyrazolone dye of the general formula (I), R 1 is a CF 3 group and R 2 is a hydrogen atom; and wherein the ink further comprises a phthalocyanine dye.

Claim 11

Dependent Claim 127 words

An ink for ink-jet recording, comprising a pyrazolone dye of the general formula (I): wherein R 1 and R 2 are independently selected from the group consisting of a hydrogen atom, an OH group, a halogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, a nitro group, a CF 3 group and an SO 3 (M1) group, where M1 is an alkali metal or NH 4 ; both R 3 and R 4 are an SO 3 (M2) group, where M2 is an alkali metal or NH 4 ; wherein in the pyrazolone dye of the general formula (I), R 1 is a CF 3 group and R 2 is a hydrogen atom; and wherein the ink further comprises a phthalocyanine dye.

Claim 12

Dependent Claim 122 words

The ink according to claim 3 , 4 , 5 or 6 , wherein the phthalocyanine dye has a structure of the general formula (II): wherein Pc is a phthalocyanine residue; M3 is Cu, Zn or Ni; R 5 and R 6 are each independently an SO 3 (M5) group, a substituted or unsubstituted amide group, or a substituted or unsubstituted alkyl group; R 7 and R 8 are each independently a substituted or unsubstituted alkyl group; R 9 is —CONHR 10 , —COOH or —COO(M6); R 10 is a hydrogen atom, or a substituted or unsubstituted alkyl group; n is an integer of 0, 1 or 2; M4, M5 and M6 are each independently an alkali metal or NH 4 .

Claim 13

Dependent Claim 40 words

The ink according to claim 1 , 3 , 4 , 5 or 6 , wherein the ink comprises the dyes at a total concentration ranging from 0.1 to 15% by weight based on the total weight of the ink.

Claim 14

Dependent Claim 50 words

The ink according to claim 1 , 3 , 4 , 5 or 6 , wherein the ink comprises a solvent having a boiling point ranging from 150° C. to 250° C. at a concentration ranging from 5 to 50% by weight based on the total weight of the ink.

Claim 15

Dependent Claim 23 words

The ink according to claim 1 , 3 , 4 , 5 or 6 , wherein the ink comprises further a curable resin.

Claim 16

Dependent Claim 23 words

The ink according to claim 10 , wherein the curable resin is curable by at least one of light irradiation and heat application.

Claim 17

Dependent Claim 64 words

A process for producing a color filter provided with colored pixels on a light-transmissive base plate, comprising the steps of: ejecting an ink set forth in claim 10 on a light-transmissive base plate by an ink-jet system to deposit the ink on prescribed points on the surface of the base plate, and curing the curable resin contained in the ink to form colored pixels.

Claim 18

Dependent Claim 62 words

A process for producing a color filter provided with colored pixels on a light-transmissive base plate, comprising the step of: ejecting an ink set forth in claim 1 , 3 , 4 , 5 or 6 onto the light-transmissive base plate by an ink-jet system to deposit the ink on prescribed points, thereby forming at least one of the colored pixels there.

Claim 19

Dependent Claim 26 words

The process for producing a color filter according to claim 13 , wherein the light-transmissive base plate has a curable resin layer on the surface thereof.

Claim 20

Dependent Claim 29 words

The process for producing a color filter according to claim 14 , wherein a material for forming the resin layer is a polymer comprising a water-soluble acrylic monomer unit.

Claim 21

Dependent Claim 25 words

The process for producing a color filter according to claim 14 , wherein a material for forming the resin layer comprises a cellulosic water-soluble polymer.

Claim 22

Dependent Claim 30 words

The process for producing a color filter according to claim 14 , comprising further the step of: curing the resin layer after the ink is deposited on the resin layer.

Claim 23

Dependent Claim 26 words

The process for producing a color filter according to claim 13 , wherein the light-transmissive base plate has a light-shielding layer to separate the colored pixels.

Claim 24

Dependent Claim 21 words

The process for producing a color filter according to claim 18 , wherein the surface of the light-shielding layer is noncolorable.

Claim 25

Dependent Claim 23 words

The process for producing a color filter according to claim 18 , wherein a colorable resin layer is formed between the light-shielding layers.

Claim 26

Dependent Claim 57 words

The process for producing a color filter according to claim 13 , wherein the light-transmissive base plate has a light-shielding layer which separates colored pixels formed on the surface of the base plate from each other and a resin layer formed on the light-shielding layer, the surface of the resin layer on the light-shielding layer being noncolorable.

Claim 27

Dependent Claim 37 words

The process for producing a color filter according to claim 13 , wherein the process further comprises the steps of: forming a curable resin layer so as to cover the colored pixels, and curing the curable resin.

Claim 28

Dependent Claim 29 words

The process for producing a color filter according to claim 22 , wherein the curable resin is cured by applying at least one of light energy and heat energy.

Claim 29

Dependent Claim 128 words

A color filter comprising: a light-transmissive base plate; and a colored pixel at prescribed positions on the base plate, wherein the colored pixel comprises a pyrazolone dye of the general formula (I): wherein R 1 and R 2 are each independently selected from the group consisting of a hydrogen atom, an OH group, a halogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, a nitro group, a CF 3 group and an SO 3 (M1) group, where M1 is an alkali metal or NH 4 ; at least one of R 1 and R 2 is a CF 3 group; and both R 3 and R 4 are an SO 3 (M2) group, where M2 is an alkali metal or NH 4 .

Claim 30

Dependent Claim 128 words

A color filter comprising: a light-transmissive base plate; and a colored pixel at prescribed positions on the base plate, wherein the colored pixel comprises a pyrazolone dye of the general formula (I): wherein R 1 and R 2 are each independently selected from the group consisting of a hydrogen atom, an OH group, a halogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, a nitro group, a CF 3 group and an SO 3 (M1) group, where M1 is an alkali metal or NH 4 ; at least one of R 1 and R 2 is a CF 3 group; and both R 3 and R 4 are an SO 3 (M2) group, where M2 is an alkali metal or NH 4 .

Claim 31

Dependent Claim 32 words

The color filter according to claim 24 , wherein in the pyrazolone dye of the general formula (I), R 1 is a CF 3 group and R 2 is a hydrogen atom.

Claim 32

Dependent Claim 131 words

A color filter comprising: a light-transmissive base plate; and colored pixels at prescribed positions on the base plate, wherein at least one of the colored pixels comprises a pyrazolone dye of the general formula (I): wherein R 1 and R 2 are each independently selected from the group consisting of a hydrogen atom, an OH group, a halogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, a nitro group, a CF 3 group and an SO 3 (M1) group, where M1 is an alkali metal or NH 4 ; at least one of R 1 and R 2 is a CF 3 group; and both R 3 and R 4 are an SO 3 (M2) group, where M2 is an alkali metal or NH 4 .

Claim 33

Dependent Claim 131 words

A color filter comprising: a light-transmissive base plate; and colored pixels at prescribed positions on the base plate, wherein at least one of the colored pixels comprises a pyrazolone dye of the general formula (I): wherein R 1 and R 2 are each independently selected from the group consisting of a hydrogen atom, an OH group, a halogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, a nitro group, a CF 3 group and an SO 3 (M1) group, where M1 is an alkali metal or NH 4 ; at least one of R 1 and R 2 is a CF 3 group; and both R 3 and R 4 are an SO 3 (M2) group, where M2 is an alkali metal or NH 4 .

Claim 34

Dependent Claim 31 words

The color filter according to claim 26 , wherein the pyrazolone dye of the general formula (I), R 1 is a CF 3 group and R 2 is a hydrogen atom.

Claim 35

Dependent Claim 126 words

A color filter comprising: a light-transmissive base plate; and a colored pixel at prescribed positions on the base plate, wherein the colored pixel comprises a pyrazolone dye of the general formula (I): wherein R 1 and R 2 are each independently selected from the group consisting of a hydrogen atom, an OH group, a halogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, a nitro group, a CF 3 group and an SO 3 (M1) group, where M1 is an alkali metal or NH 4 ; both R 3 and R 4 are an SO 3 (M2) group, where M2 is an alkali metal or NH 4 ; wherein the colored pixel comprising the pyrazolone dye further comprises a phthalocyanine dye.

Claim 36

Dependent Claim 126 words

A color filter comprising: a light-transmissive base plate; and a colored pixel at prescribed positions on the base plate, wherein the colored pixel comprises a pyrazolone dye of the general formula (I): wherein R 1 and R 2 are each independently selected from the group consisting of a hydrogen atom, an OH group, a halogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, a nitro group, a CF 3 group and an SO 3 (M1) group, where M1 is an alkali metal or NH 4 ; both R 3 and R 4 are an SO 3 (M2) group, where M2 is an alkali metal or NH 4 ; wherein the colored pixel comprising the pyrazolone dye further comprises a phthalocyanine dye.

Claim 37

Dependent Claim 117 words

The color filter according to claim 28 , wherein the phthalocyanine dye has a structure of the general formula (II): wherein Pc is a phthalocyanine residue; M3 is Cu, Zn or Ni; R 5 and R 6 are each independently an SO 3 (M5) group, a substituted or unsubstituted amide group, or a substituted or unsubstituted alkyl group; R 7 and R 8 are each independently a substituted or unsubstituted alkyl group; R 9 is —CONHR 10 , —COOH or —COO(M6); R 10 is a hydrogen atom or a substituted or unsubstituted alkyl group; n is an integer of 0, 1 or 2; M4, M5 and M6 are each independently an alkali metal or NH 4 .

Claim 38

Dependent Claim 129 words

A color filter comprising: a light-transmissive base plate; and colored pixels at prescribed positions on the base plate, wherein at least one of the colored pixels comprises a pyrazolone dye of the general formula (I): wherein R 1 and R 2 are each independently selected from the group consisting of a hydrogen atom, an OH group, a halogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, a nitro group, a CF 3 group and an SO 3 (M1) group, where M1 is an alkali metal or NH 4 ; both R 3 and R 4 are an SO 3 (M2) group, where M2 is an alkali metal or NH 4 ; wherein the colored pixel comprising the pyrazolone dye further comprises a phthalocyanine dye.

Claim 39

Dependent Claim 129 words

A color filter comprising: a light-transmissive base plate; and colored pixels at prescribed positions on the base plate, wherein at least one of the colored pixels comprises a pyrazolone dye of the general formula (I): wherein R 1 and R 2 are each independently selected from the group consisting of a hydrogen atom, an OH group, a halogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms, a nitro group, a CF 3 group and an SO 3 (M1) group, where M1 is an alkali metal or NH 4 ; both R 3 and R 4 are an SO 3 (M2) group, where M2 is an alkali metal or NH 4 ; wherein the colored pixel comprising the pyrazolone dye further comprises a phthalocyanine dye.

Claim 40

Dependent Claim 117 words

The color filter according to claim 30 , wherein the phthalocyanine dye has a structure of the general formula (II): wherein Pc is a phthalocyanine residue; M3 is Cu, Zn or Ni; R 5 and R 6 are each independently an SO 3 (M5) group, a substituted or unsubstituted amide group, or a substituted or unsubstituted alkyl group; R 7 and R 8 are each independently a substituted or unsubstituted alkyl group; R 9 is —CONHR 10 , —COOH or —COO(M6); R 10 is a hydrogen atom or a substituted or unsubstituted alkyl group; n is an integer of 0, 1 or 2; M4, M5 and M6 are each independently an alkali metal or NH 4 .

Claim 41

Dependent Claim 42 words

The color filter according to claim 24 , 26 , 25 , 27 , 28 , 30 , 29 or 31 , wherein the base plate has a resin layer on the surface thereof, and the resin layer constitutes the colored pixels.

Claim 42

Dependent Claim 34 words

The color filter according to claim 26 , 27 , 30 , or 31 , wherein the colored pixels are separated from each other, and a light-shielding layer is provided between respective colored pixels.

Claim 43

Dependent Claim 16 words

The color filter according to claim 33 , wherein the light-shielding layer has a noncolorable surface.

Claim 44

Dependent Claim 54 words

The color filter according to claim 26 , 27 , 30 , or 31 , wherein the colored pixels are separated from each other; a light-shielding layer and a resin layer covering the light-shielding layer are provided between the colored pixels; and the surface of the resin layer on the light-shielding layer is noncolorable.

Claim 45

Dependent Claim 46 words

A liquid crystal panel comprising: a color filter set forth in claim 24 , 26 , 28 or 30 , a panel base plate placed in opposition to the color filter, and a liquid crystal compound enclosed between the color filter and the panel base plate.

Claim 46

Dependent Claim 18 words

A computer provided with the liquid crystal panel set forth in claim 36 as an image display device.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2004-06-18	2004-12-18	2005-06-19	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2008-06-18	2008-12-18	2009-06-19	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2012-06-18	2012-12-18	2013-06-19	$7700.00	Window Closed / Lapsed

Ink, color filter, liquid crystal panel, and computer, and process for producing color filter

Abstract

Inventors

Bibliographic Details

Claims Analysis

References Cited (Backward Citations)

USPTO Annuity & Maintenance Windows

Assigned Categories & Tags

Assign Category Tag