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Claim 1

A colored photopolymerizable composition comprising a photosensitive resin and a pigment, said photosensitive resin comprising a polyfunctional acrylate monomer, an organic polymer binder and a photopolymer­ization initiator, said photopolymerization initiator consisting of at least one member selected from 2-mercapto-5-substituted thiadiazole compounds repre­sented by the following general formula (I) and/or general formula (II), a phenyl ketone compound represented by the following general formula (III), and a 2,4,5-triphenylimidazolyl dimer composed of two lophine residues combined to each other through inter­mediation of a single covalent bond, wherein R₁ represents an alkyl group, an alkylthio group or an aralkylthio group; and R₂ represents substituted or unsubstituted alkylene group, wherein X₁ represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, an alkoxy­carboxy group having 1 to 6 carbon atoms, an alkoxycarbonyl group having 1 to 6 carbon atoms, an alkyl-disubstituted-­amino group having 1 to 6 carbon atoms or a halogen atom; and R₃ represents a hydrogen atom or a group represented by the following general formula (IV), wherein X₂ has the same meaning as defined for X₁; Y represents a single bond or a group of the following formula, wherein R₄ represents a hydrogen atom or OR₅; and R₅ represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms.