Photosensitive coloring composition, cured film, color filter, solid-state imaging element, and image display device
Abstract
A photosensitive coloring composition includes a magenta pigment having an average primary particle diameter of 50 nm or less, a polymerizable compound, a photopolymerization initiator, and an ultraviolet absorber, in which the magenta pigment has a maximum absorption wavelength in a range of 500 to 600 nm, the magenta pigment is Color Index Pigment Violet 19, and in a case where an absorbance of the maximum absorption wavelength is 1, a wavelength at which an absorbance is 0.5 is 450 nm or more on a side where a wavelength is shorter than the maximum absorption wavelength and is 650 nm or less on a side where a wavelength is longer than the maximum absorption wavelength.
Claims
exact text as granted — not AI-modifiedWhat is claimed is:
1 . A photosensitive coloring composition comprising:
a magenta pigment having an average primary particle diameter of 50 nm or less; a polymerizable compound; a photopolymerization initiator; and an ultraviolet absorber, wherein the magenta pigment has a maximum absorption wavelength in a range of 500 to 600 nm, the magenta pigment is Color Index Pigment Violet 19, and in a case where an absorbance of the maximum absorption wavelength is 1, a wavelength at which an absorbance is 0.5 is 450 nm or more on a side where a wavelength is shorter than the maximum absorption wavelength, and is 650 nm or less on a side where a wavelength is longer than the maximum absorption wavelength.
2 . The photosensitive coloring composition according to claim 1 ,
wherein in the case where the absorbance of the maximum absorption wavelength is 1, the magenta pigment has a difference of 130 nm or less between the wavelengths at which the absorbance is 0.5 on the side where a wavelength is longer than the maximum absorption wavelength and on the side where a wavelength is shorter than the maximum absorption wavelength.
3 . The photosensitive coloring composition according to claim 1 ,
wherein a content of the ultraviolet absorber is 1% to 20% by mass with respect to the total solid content of the photosensitive coloring composition.
4 . The photosensitive coloring composition according to claim 1 ,
wherein the photosensitive coloring composition contains 10 to 500 parts by mass of the ultraviolet absorber with respect to 100 parts by mass of the photopolymerization initiator.
5 . The photosensitive coloring composition according to claim 1 ,
wherein the photosensitive coloring composition contains 1 to 40 parts by mass of the ultraviolet absorber with respect to 100 parts by mass of the magenta pigment.
6 . The photosensitive coloring composition according to claim 1 , further comprising a resin having an amine value.
7 . The photosensitive coloring composition according to claim 6 ,
wherein the resin having an amine value is a resin having a nitrogen atom in a main chain.
8 . The photosensitive coloring composition according to claim 6 ,
wherein the resin having an amine value is a resin having an acid value and an amine value, and the acid value is 30 mgKOH/g or more.
9 . The photosensitive coloring composition according to claim 1 , further comprising a resin having an acid value of 50 mgKOH/g or more.
10 . The photosensitive coloring composition according to claim 1 , further comprising a resin having an acid value of 80 mgKOH/g or more.
11 . The photosensitive coloring composition according to claim 1 , further comprising an alkali-soluble resin having a polymerizable group.
12 . The photosensitive coloring composition according to claim 1 ,
wherein the ultraviolet absorber includes at least one compound selected from the group consisting of a conjugated diene compound, a methyldiebenzoyl compound, a coumarin compound, a salicylate compound, a benzophenone compound, a benzotriazole compound, an acrylonitrile compound, a triazine compound, and a benzodithiazole compound.
13 . The photosensitive coloring composition according to claim 1 ,
wherein the ultraviolet absorber includes at least one compound selected from the group consisting of a benzophenone compound and a benzotriazole compound.
14 . The photosensitive coloring composition according to claim 1 , which is used for forming a magenta coloring pixel in a color filter.
15 . A cured film obtained from the photosensitive coloring composition according to claim 1 .
16 . A color filter comprising the cured film according to claim 15 .
17 . A color filter comprising a magenta coloring pixel obtained from the photosensitive coloring composition according to claim 1 , a cyan coloring pixel, and a yellow coloring pixel.
18 . A solid-state imaging element comprising the color filter according to claim 16 .
19 . An image display device comprising the color filter according to claim 16 .Join the waitlist — get patent alerts
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