Resin composition

A resin composition comprising:

• a coloring agent;
• and
• a resin,
• wherein the coloring agent comprises a compound represented by a formula (I), a formula (II), a formula (III) or a formula (IV),
• wherein in the formula (I) and the formula (II),
• Rx1 to Rx4 each independently represent a chain hydrocarbon group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms or a heteroaryl group having 2 to 20 carbon atoms,
• CH2— contained in the chain hydrocarbon group is optionally substituted with —O—,
• a hydrogen atom contained in the chain hydrocarbon group is optionally substituted with a halogen atom,
• hydrogen atoms contained in the aryl group and the heteroaryl group are each independently optionally substituted with a halogen atom, —OR1, —SR1 or —NR2R3,
• R1 represents a hydrogen atom, a chain hydrocarbon group having 1 to 10 carbon atoms, an aryl group having 6 to 20 carbon atoms or a heteroaryl group having 2 to 20 carbon atoms, wherein —CH2— contained in the chain hydrocarbon group is optionally substituted with —O—, —NR2— or —N+(R2R3)X-—, and hydrogen atoms contained in the aryl group and the heteroaryl group are each independently optionally substituted with a halogen atom or a straight chain or branched chain alkoxy group having 1 to 20 carbon atoms,
• R2 and R3 each independently represent a hydrogen atom or a chain hydrocarbon group having 1 to 10 carbon atoms, wherein —CH2— contained in the hydrocarbon group is optionally substituted with —O—, or
• R2 and R3 bond to each other to form a ring,
• X represents a halogen atom, PF6, ClO4 or BF4,
• Ry1 to Ry4 in the formula (I) each independently represent a chain hydrocarbon group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms or a heteroaryl group having 2 to 20 carbon atoms,
• CH2— contained in the chain hydrocarbon group is optionally substituted with —O—,
• a hydrogen atom contained in the chain hydrocarbon group is optionally substituted with a halogen atom,
• hydrogen atoms contained in the aryl group and the heteroaryl group are each independently optionally substituted with a halogen atom, —OR1, —SR1 or —NR2R3,
• a ring Z1 and a ring Z2 in the formula (II) each independently represent an aromatic hydrocarbon ring having 6 to 20 carbon atoms or a heteroaromatic ring having 2 to 20 carbon atoms,
• hydrogen atoms contained in the aromatic hydrocarbon ring and the heteroaromatic ring are optionally substituted with a halogen atom, a chain hydrocarbon group having 1 to 20 carbon atoms, —OR1, —SR1 or —NR2R3,
• when a plurality of R1s, R2s or R3s is present, these may be the same as or different from each other, and
• M2 represents a divalent metal atom,
• wherein in the formula (III) and the formula (IV),
• R1a to R1d, R2a to R2d, R3a to R3d and R4a to R4d each independently represent a hydrogen atom, a halogen atom, a chain hydrocarbon group having 1 to 20 carbon atoms, —OR1, —SR1 or —NR2R3, wherein at least one of R1a to R1d, R2a to R2d, R3a to R3d and R4a to R4d represents —SR1,
• R1 represents a hydrogen atom, a chain hydrocarbon group having 1 to 10 carbon atoms, an aryl group having 6 to 20 carbon atoms or a heteroaryl group having 2 to 20 carbon atoms, wherein —CH2— contained in the chain hydrocarbon group is optionally substituted with —O—, —NR2— or —N+(R2R3)X-—, and hydrogen atoms contained in the aryl group and the heteroaryl group are each independently optionally substituted with a halogen atom or a straight chain or branched chain alkoxy group having 1 to 20 carbon atoms,
• R2 and R3 each independently represent a hydrogen atom or a chain hydrocarbon group having 1 to 10 carbon atoms, wherein —CH2— contained in the hydrocarbon group is optionally substituted with —O—, or
• R2 and R3 bond to each other to form a ring,
• X represents a halogen atom, PF6, ClO4 or BF4,
• RA1 and RA2 each independently represent —OR4,
• R4 represents a hydrogen atom, a chain hydrocarbon group having 1 to 10 carbon atoms, an aryl group having 6 to 20 carbon atoms or a heteroaryl group having 2 to 20 carbon atoms, wherein —CH2— contained in the chain hydrocarbon group is optionally substituted with —O—, —NR5— or —N+(R5R6)X-—,
• R5 and R6 each independently represent a hydrogen atom or a chain hydrocarbon group having 1 to 10 carbon atoms,
• when a plurality of R1s, R2s, R3s, R5s or R6s is present, these may be the same as or different from each other,
• M1 in the formula (III) represents a tetravalent metal atom or a non-metal atom,
• M3 in the formula (IV) represents a pentavalent metal atom or a non-metal atom, and
• Y- in the formula (IV) represents a monovalent anion.