Light absorption filter, optical filter, manufacturing method for optical filter, organic electroluminescent display device, inorganic electroluminescent display device, and liquid crystal display device

Alight absorption filter comprising:

• a resin;
• a dye having a main absorption wavelength band in a wavelength range of 400 to 700 nm;
• and
• a compound that generates a radical upon ultraviolet irradiation,
• wherein the dye includes at least one of an azo-based coloring agent represented by any of General Formulae (i) to (iv) or an indoaniline-based coloring agent represented by General Formula (v),
• in the formula, R17 and R18 each independently represent a hydrogen atom or a monovalent substituent,
• R19 represents a hydrogen atom, an aliphatic group, an aryl group, a heterocyclic group, a carbamoyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, an acyl group, an alkylsulfonyl group, an arylsulfonyl group, or a sulfamoyl group, and
• Q represents a diazo component residue,
• provided that R17 to R19 and Q do not have a squaraine structure,
• in the formula, R21 to R24, R26, and R27 represent a hydrogen atom, a halogen atom, a cyano group, a nitro group, a carboxy group, a sulfo group, —OR108, —SR109, —NR110R111, —S(═O)2NR112R113, —C(═O)NR114R115, —NHC(═O)R116, —C(═O)OR117, —O(CH2CH2O)nR118, —O(CH2CH2S)R119, —S(CH2CH2O)nR120, —S(CH2CH2S)nR121, an acyclic hydrocarbon group, a monocyclic hydrocarbon group, a fused polycyclic hydrocarbon group, or a heterocyclic group,
• R108 to R121 represent a hydrogen atom, an acyclic hydrocarbon group, a monocyclic hydrocarbon group, a fused polycyclic hydrocarbon group, or a heterocyclic group, and
• n is a positive integer,
• here, the acyclic hydrocarbon group, the monocyclic hydrocarbon group, the fused polycyclic hydrocarbon group, or the heterocyclic group may have, as a substituent, one or two or more of a halogen atom, a cyano group, a nitro group, a carboxy group, a sulfo group, —OR108, —SR109, —NR110R111, —S(═O)2NR112R113, —C(═O)NR114R115, —NHC(═O)R116, —C(═O)OR117, —O(CH2CH2O)nR118, —O(CH2CH2S)nR119, —S(CH2CH2O)nR120, —S(CH2CH2S)nR121, an acyclic hydrocarbon group, a monocyclic hydrocarbon group, a fused polycyclic hydrocarbon group, and a heterocyclic group,
• in the formula, R31 represents a hydrogen atom, an alkyl group, an alkoxy group, a cyano group, a carbonyl group, an aromatic group, or a heterocyclic group,
• R32 represents a hydrogen atom, an alkyl group, an alkoxy group, a cyano group, a nitro group, a carbonyl group, an aromatic group, or a heterocyclic group,
• R34 and R35 each independently represent a hydrogen atom, an alkyl group, or an aromatic group, and
• R37 represents a hydrogen atom, an alkyl group, an alkoxy group, a cyano group, a carbonyl group, an acylamino group, or an aromatic group,
• in the formula, R41 to R44, R46, and R47 represent a hydrogen atom, a halogen atom, a cyano group, a nitro group, a carboxy group, a sulfo group, —OR208, —SR209, —NR210R211, —S(═O)2NR212R213, —C(═O)NR214R215, —NHC(═O)R216, —C(═O)OR217, —O(CH2CH2O)nR218, —O(CH2CH2S)nR219, —S(CH2CH2O)nR220, —S(CH2CH2S)nR221, an acyclic hydrocarbon group, a monocyclic hydrocarbon group, a fused polycyclic hydrocarbon group, or a heterocyclic group,
• R208 to R221 represent a hydrogen atom, an acyclic hydrocarbon group, a monocyclic hydrocarbon group, a fused polycyclic hydrocarbon group, or a heterocyclic group, and
• n is a positive integer,
• here, the acyclic hydrocarbon group, the monocyclic hydrocarbon group, the fused polycyclic hydrocarbon group, or the heterocyclic group may have, as a substituent, one or two or more of a halogen atom, a cyano group, a nitro group, a carboxy group, a sulfo group, —OR208, —SR209, —NR210R211, —S(═O)2NR212R213, —C(═O)NR214R215, —NHC(═O)R216, —C(═O)OR217, —O(CH2CH2O)nR218, —O(CH2CH2S)nR219, —S(CH2CH2O)nR220, —S(CH2CH2S)nR221, an acyclic hydrocarbon group, a monocyclic hydrocarbon group, a fused polycyclic hydrocarbon group, and a heterocyclic group,
• in the formula, Q1 represents an atomic group that contains at least one nitrogen atom and is necessary for forming a 5- to 7-membered nitrogen-containing heterocyclic ring together with carbon atoms to be bonded,
• R51 represents an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, an aminocarbonyl group, or a sulfonyl group,
• R52 represents a hydrogen atom or an alkyl group,
• R53 to R57 represent a hydrogen atom, an alkyl group, an alkoxy group, an acylamino group, an alkylsulfonylamino group, or a halogen atom, and
• R51 and R59 represent a hydrogen atom, an alkyl group, or an aryl group.