Dyes for color filters, photosensitive resist resin compositions containing the same, and color filters

Claim 2

The dye of claim 1, which is represented by the following formula (1): D-(A-Y n 1 ) n 2 (1) wherein D represents a chromophoric nucleus, A denotes a connecting group, Y means the photopolymerizable group, n 1 is 1-10000, and n 2 stands for an integer of 1-10.

Claim 3

The dye of claim 2, wherein n 1 is 1-10000 and n 2 stands for an integer of 1-4.

Claim 4

The dye of claim 3, wherein n 1 and n 2 are each 1.

Claim 5

The dye of claim 2, 3 or 4 wherein the photopolymerizable group represented by Y is selected from the group consisting of the following formulas (2) to (7): -CR² = CR³COOR⁴   (3) -OCOCH = CH-R⁵   (4) wherein R¹ to R⁴ independently represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aralkyl group or a hydrogen atom, R⁵ denotes a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted aralkyl group or a hydrogen atom, and R⁶ to R⁸ independently mean a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxyl group, a halogen atom or a hydrogen atom.

Claim 6

The dye of any one of claims 2-5, wherein the chromophoric nucleus represented by D is a phthalocyanine, anthraquinone or quinophthalone derivative.

Claim 7

A dye formulation for a color filter, comprising a dye according to any preceding claim.

Claim 8

A dye for a color filter, said dye having a molecular weight of at least 500 but not greater than 4000 and represented by the following formula (8): D-(B-Z) m (8) wherein D represents a chromophoric nucleus, B denotes a connecting group, Z is -COOR⁹, -CONR¹⁰R¹¹, -OCOR¹², -OCOOR¹³, -OCONHR¹⁴, -NHR¹⁵ or -NR¹⁶R¹⁷, R⁹ and R¹² to R¹⁷ independently representing a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group or a substituted or unsubstituted aralkyl group and R¹⁰ and R¹¹ independently representing a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted aralkyl group or a hydrogen atom, and m stands for an integer of 1-10.

Claim 9

A dye for a color filter, said dye having a molecular weight of at least 500 but not greater than 4000 and represented by the following formula (9): D-E-D   (9) wherein D represents a chromophoric nucleus and E denotes a connecting group.

Claim 10

The dye of claims 8 or 9 wherein the chromophoric nucleus represented by D is a phthalocyanine, anthraquinone or quinophthalone derivative.

Claim 11

A photosensitive resist resin composition comprising: (A) 1-100 weight parts of at least one dye selected from the group consisting of the following dyes (a) to (c): (a) dyes containing a photopolymerizable substituent, (b) dyes for color filters, said dyes having a molecular weight of at least 500 but not greater than 4000 and represented by the following formula (8): D-(B-Z) m (8) wherein D represents a chromophoric nucleus, B denotes a connecting group, Z is -COOR⁹, -CONR¹⁰R¹¹, -OCOR¹², -OCOOR¹³, -OCONHR¹⁴, -NHR¹⁵ or -NR¹⁶R¹⁷, R⁹ and R¹² to R¹⁷ independently representing a substituted or unsubstituted alkyl group, asubstituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group or a substituted or unsubstituted aralkyl group and R¹⁰ and R¹¹ independently representing a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted aralkyl group or a hydrogen atom, and m stands for an integer of 1-10, and (c) dyes for color filters, said dyes having a molecular weight of at least 500 but not greater than 4000 and represented by the following formula (9): D-E-D   (9) wherein D represents a chromophoric nucleus and E denotes a connecting group; and (B) 100 weight parts of a photosensitive resist resin.

Claim 12

The composition of claim 11 wherein the photosensitive resist resin contains photosensitive groups selected from the group consisting of the following formulas (10) to (15): -CR¹⁹ = CR²⁰COOR²¹   (11) -OCOCH = CH-R²²   (12) wherein R¹⁸ to R²¹ independently represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aralkyl group or a hydrogen atom, R²² denotes a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted aralkyl group or a hydrogen atom, and R²³ to R²⁵ independently mean a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxyl group, a halogen atom or a hydrogen atom.

Claim 13

An LCD color filter fabricated by curing a photosensitive resist resin composition comprising: (A) 1-100 weight parts of at least one dye selected from the group consisting of the following dyes (a) to (c): (a) dyes containing a photopolymerizable substituent, (b) dyes for color filters, said dyes having a molecular weight of at least 500 but not greater than 4000 and represented by the following formula (8): D-(B-Z) m (8) wherein D represents a chromophoric nucleus, B denotes a connecting group, Z is -COOR⁹, -CONR¹⁰R¹¹, -OCOR¹², -OCOOR¹³, -OCONHR¹⁴, -NHR¹⁵ or -NR¹⁶R¹⁷, R⁹ and R¹² to R¹⁷ independently representing a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group or a substituted or unsubstituted aralkyl group and R¹⁰ and R¹¹ independently representing a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted aralkyl group or a hydrogen atom, and m stands for an integer of 1-10, and (c) dyes for color filters, said dyes having a molecular weight of at least 500 but not greater than 4000 and represented by the following formula (9): D-E-D   (9) wherein D represents a chromophoric nucleus and E denotes a connecting group; and (B) 100 weight parts of a photosensitive resist resin.

Claim 14

The filter of claim 13, wherein the photosensitive resist resin contains photosensitive groups selected from the group consisting of the following formulas (10) to (15): -CR¹⁹ = CR²⁰COOR²¹   (11) -OCOCH = CH-R²²   (12) wherein R¹⁸ to R²¹ independently represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aralkyl group or a hydrogen atom, R²² denotes a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted aralkyl group or a hydrogen atom, and R²³ to R²⁵ independently mean a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxyl group, a halogen atom or a hydrogen atom.