Pattern-forming composition, film, infrared cut filter, infrared transmitting filter, solid image pickup element, infrared sensor, and camera module
Provided is a pattern-forming composition, including: an infrared absorbing colorant; and at least one compound selected from the group consisting of a resin having a glass transition temperature of 150° C. to 300° C. and a precursor of a resin having a glass transition temperature of 150° C. to 300° C.
1. A pattern-forming composition, comprising:
an infrared absorbing colorant; and
at least one compound selected from the group consisting of a resin (A) having a glass transition temperature of 150° C. to 300° C. and a precursor of a resin (B) having a glass transition temperature of 150° C. to 300° C.,
wherein the resin (A) having a glass transition temperature of 150° C. to 300° C. comprises a resin comprising a constitutional unit represented by any one of (a-1), (a-4) to (a-6), and (a-8), and a constitutional unit represented by Formula 1:
wherein, in Formula 1, each of R 1 to R 3 independently represents a hydrogen atom, an alkyl group, or a halogen atom, L 1 represents a single bond or a divalent linking group, and X 1 represents a carboxy group, a phenolic hydroxy group, or a sulfonamide group; and
the precursor of a resin (B) having a glass transition temperature of 150° C. to 300° C. comprises a resin comprising a constitutional unit represented by Formula 3 or Formula 4:
wherein, in Formulae 3 and 4, R 7 represents a tetravalent organic group comprising a fluorine atom, R 8 represents a divalent organic group, at least one of R 7 or R 8 in the precursor represents an organic group having an alicyclic group or a fluorine atom, each of R 9 's independently represents a hydrogen atom or an organic group, and at least one of R 9 's in the precursor represents a hydrogen atom and at least one of R 9 's in the precursor represents a polymerizable group.
2. The pattern-forming composition according to claim 1 ,
wherein the infrared absorbing colorant comprises at least one selected from the group consisting of a squarylium compound, a cyanine compound, a phthalocyanine compound, a pyrrolopyrrole compound, a perylene compound, a croconium compound, an oxonol compound, and an iminium compound.
3. The pattern-forming composition according to claim 1 , further comprising:
a polymerizable compound; and
a photopolymerization initiator.
4. The pattern-forming composition according to claim 1 ,
wherein the resin (A) having a glass transition temperature of 150° C. to 300° C. further comprises a constitutional unit represented by Formula 2:
wherein, in Formula 2, each of R 4 to R 6 independently represents a hydrogen atom, an alkyl group, or a halogen atom, L 2 represents a single bond or a divalent linking group, and X 2 represents a (meth)acryloyloxy group, a vinyl group, a (meth)acrylamide group, a styryl group, or a maleimide group.
5. A film, formed by curing the pattern-forming composition according to claim 1 .
6. An infrared cut filter, comprising:
the film according to claim 5 .
7. A camera module, comprising:
a solid image pickup element; and
the infrared cut filter according to claim 6 .
8. An infrared transmitting filter, comprising:
the film according to claim 5 .
9. A solid image pickup element, comprising:
the film according to claim 5 .
10. An infrared sensor, comprising:
the film according to claim 5 .