A photosensitive composition comprising a plurality of photosensitive semiconductor nanocrystals and a photocurable compound, wherein the photosensitive semiconductor nanocrystal is surface-coordinated with a compound containing a photosensitive functional group, wherein the compound containing the photosensitive functional group is represented by Formula 1: X-A-B wherein the X is HOOC-, NC-, HRN-, POOOH-, RS-, or RSS-, in which R is a hydrogen atom or a C 1-10 saturated or unsaturated aliphatic hydrocarbon group; the A is a direct bond; an aliphatic organic group; a phenylene group; or a biphenylene group; and the B is an organic group represented by Formula 2: -CR 1 =CR 2 R 3 wherein the R 1 is a hydrogen atom, -COOH, a halogen group, a C 1-5 alkyl group, or a halogenated alkyl group; and the R 2 and the R 3 are each independently a hydrogen atom, a C 1-30 alkyl group, a C 1-30 alkyl group substituted with a hydroxyl group or a carboxyl group, a C 1-30 alkyl group branched with an alkyl group, -CN, -COOH, a halogen group, a C 1-5 halogenated alkyl group, a C 2-30 unsaturated aliphatic hydrocarbon group containing at least one carbon-carbon double bond, a C 2-30 unsaturated aliphatic hydrocarbon group containing at least one carbon-carbon double bond being substituted with a hydroxyl group or a carboxyl group, a C 2-30 unsaturated aliphatic hydrocarbon group containing at least one carbon-carbon double bond and being branched with an alkyl group, a C 6-12 aromatic hydrocarbon group unsubstituted or substituted with F, Cl, Br, hydroxyl, a C 1-5 halogenated alkyl group, an amine group, R'O-, in which R' is a C 1-5 alkyl group, -COOH, or -NO 2 , characterized in that the nanocrystals comprise at least two compounds selected from ZnS, ZnSe, ZnTe, HgS, HgSe, HgTe, GaN, GaP, GaAs, InP and InAs and are a core-shell type. wherein the photosensitive semiconductor nanocrystal is surface-coordinated with a compound containing a photosensitive functional group, wherein the compound containing the photosensitive functional group is represented by Formula 1: X-A-B wherein the X is HOOC-, NC-, HRN-, POOOH-, RS-, or RSS-, in which R is a hydrogen atom or a C 1-10 saturated or unsaturated aliphatic hydrocarbon group; the A is a direct bond; an aliphatic organic group; a phenylene group; or a biphenylene group; and the B is an organic group represented by Formula 2: -CR 1 =CR 2 R 3 wherein the R 1 is a hydrogen atom, -COOH, a halogen group, a C 1-5 alkyl group, or a halogenated alkyl group; and the R 2 and the R 3 are each independently a hydrogen atom, a C 1-30 alkyl group, a C 1-30 alkyl group substituted with a hydroxyl group or a carboxyl group, a C 1-30 alkyl group branched with an alkyl group, -CN, -COOH, a halogen group, a C 1-5 halogenated alkyl group, a C 2-30 unsaturated aliphatic hydrocarbon group containing at least one carbon-carbon double bond, a C 2-30 unsaturated aliphatic hydrocarbon group containing at least one carbon-carbon double bond being substituted with a hydroxyl group or a carboxyl group, a C 2-30 unsaturated aliphatic hydrocarbon group containing at least one carbon-carbon double bond and being branched with an alkyl group, a C 6-12 aromatic hydrocarbon group unsubstituted or substituted with F, Cl, Br, hydroxyl, a C 1-5 halogenated alkyl group, an amine group, R'O-, in which R' is a C 1-5 alkyl group, -COOH, or -NO 2 , characterized in that the nanocrystals comprise at least two compounds selected from ZnS, ZnSe, ZnTe, HgS, HgSe, HgTe, GaN, GaP, GaAs, InP and InAs and are a core-shell type. <EOS>