Photosensitive composition, cured film, optical filter, solid image pickup element, image display device, and infrared sensor

A photosensitive composition comprising an infrared shielding agent A, a polymer component B, and a photoacid generator C,

• wherein the infrared shielding agent A is at least one selected from the group consisting of a diiminium compound, a squarylium compound, a cyanine compound, a phthalocyanine compound, a naphthalocyanine compound, a quaterrylene compound, an aminium compound, an iminium compound, an azo compound, an anthraquinone compound, a porphyrin compound, a pyrrolopyrrole compound, an oxonol compound, a croconium compound, a hexaphyrin compound, a metal dithiol compound, a copper compound, a tungsten compound, and a metal boride,
• wherein at least one of the following requirement (1), (2), (3) or (4) is satisfied,
• (1):
• the polymer component B includes a polymer B1 that includes a repeating unit b1 having a group in which at least one group selected from an acid group or a hydroxyl group is protected by an acid-decomposable group and a repeating unit b2 having a crosslinking group,
• (2):
• the polymer component B includes a polymer B2 including the repeating unit b1 and a polymer B3 including the repeating unit b2,
• (3):
• the polymer component B includes the polymer B2 and the photosensitive composition further comprises a compound having a molecular weight of 1000 or lower that has a crosslinking group, and
• (4):
• the polymer component B includes the polymer B3 and the photosensitive composition further comprises a compound having a molecular weight of 1000 or lower that has a group in which at least one group selected from an acid group or a hydroxyl group is protected by an acid-decomposable group,
• wherein the crosslinking group of the requirement (1) is located in the side chain of the polymer B1, and
• wherein the compound having a molecular weight of 1000 or lower that has a crosslinking group of the requirement (3) is a compound having one or more groups of at least one kind selected from an epoxy group, an oxetanyl group, a methylol group, an alkoxymethylol group, a blocked isocyanate group, and an ethylenically unsaturated bond group.

A photosensitive composition comprising an infrared shielding agent A, a polymer component B, and a photoacid generator C,

• wherein the infrared shielding agent A is at least one selected from the group consisting of a diiminium compound, a squarylium compound, a cyanine compound, a phthalocyanine compound, a naphthalocyanine compound, a quaterrylene compound, an aminium compound, an iminium compound, an azo compound, an anthraquinone compound, a porphyrin compound, a pyrrolopyrrole compound, an oxonol compound, a croconium compound, a hexaphyrin compound, a metal dithiol compound, a copper compound, a tungsten compound, and a metal boride,
• wherein at least one of the following requirement (1), (2), (3) or (4) is satisfied,
• (1):
• the polymer component B includes a polymer B1 that includes a repeating unit b1 having a group in which at least one group selected from an acid group or a hydroxyl group is protected by an acid-decomposable group and a repeating unit b2 having a crosslinking group,
• (2):
• the polymer component B includes a polymer B2 including the repeating unit b1 and a polymer B3 including the repeating unit b2,
• (3):
• the polymer component B includes the polymer B2 and the photosensitive composition further comprises a compound having a molecular weight of 1000 or lower that has a crosslinking group, and
• (4):
• the polymer component B includes the polymer B3 and the photosensitive composition further comprises a compound having a molecular weight of 1000 or lower that has a group in which at least one group selected from an acid group or a hydroxyl group is protected by an acid-decomposable group, and
• wherein the photosensitive composition is a positive photosensitive composition.