A color conversion film comprising: a substrate film; and a color conversion functional layer provided on the substrate film, wherein the color conversion functional layer includes an organic fluorescent dye, and wherein the organic fluorescent dye includes at least one selected from the group of boron-dipyrromethene (BODIPY)-based derivatives, acridine-based derivatives, xanthene-based derivatives, arylmethane-based derivatives, coumarin-based derivatives, polycyclic aromatic hydrocarbon-based derivatives, polycyclic hetero aromatic-based derivatives, perylene-based derivatives, pyrrole-based derivatives and pyrene-based derivatives, wherein the color conversion functional layer further includes a microcapsule phase change material including a shell and a core, and wherein the core comprises a phase change material being at least one selected from the group of an organic monomer, a polymer and an inorganic salt hydrate, the microcapsule phase change material has a solid-liquid phase transition occurring at 30°C to 80°C, the shell is at least one selected from the group of an urea-formaldehyde, a melamine-formaldehyde, a polyurethane resin, a polyurea resin, an epoxy resin, a gelatin and a polyacrylic resin, the organic monomer is at least one selected from the group of a paraffin-based compound, a fatty acid-based compound, an alcohol-based compound and a carbonate-based compound, the polymer is at least one selected from the group of poly(ethylene glycol), poly(propylene oxide) (PPO) and polytetrahydrofuran (PTHF), and the inorganic salt hydrate is at least one selected from the group of LiNO 3 ·3H 2 O, Na 2 SO 4 ·10H 2 O, NaCH 3 COO·3H 2 O, CaBr 2 ·6H 2 O, Na 2 HPO 4 ·12H 2 O, Zn(NO 3 ) 2 ·nH 2 O, Na 2 S 2 O 3 ·5H 2 O and Cd(NO 3 ) 2 ·4H 2 O. a substrate film; and a color conversion functional layer provided on the substrate film, wherein the color conversion functional layer includes an organic fluorescent dye, and wherein the organic fluorescent dye includes at least one selected from the group of boron-dipyrromethene (BODIPY)-based derivatives, acridine-based derivatives, xanthene-based derivatives, arylmethane-based derivatives, coumarin-based derivatives, polycyclic aromatic hydrocarbon-based derivatives, polycyclic hetero aromatic-based derivatives, perylene-based derivatives, pyrrole-based derivatives and pyrene-based derivatives, wherein the color conversion functional layer further includes a microcapsule phase change material including a shell and a core, and wherein the core comprises a phase change material being at least one selected from the group of an organic monomer, a polymer and an inorganic salt hydrate, the microcapsule phase change material has a solid-liquid phase transition occurring at 30°C to 80°C, the shell is at least one selected from the group of an urea-formaldehyde, a melamine-formaldehyde, a polyurethane resin, a polyurea resin, an epoxy resin, a gelatin and a polyacrylic resin, the organic monomer is at least one selected from the group of a paraffin-based compound, a fatty acid-based compound, an alcohol-based compound and a carbonate-based compound, the polymer is at least one selected from the group of poly(ethylene glycol), poly(propylene oxide) (PPO) and polytetrahydrofuran (PTHF), and the inorganic salt hydrate is at least one selected from the group of LiNO 3 ·3H 2 O, Na 2 SO 4 ·10H 2 O, NaCH 3 COO·3H 2 O, CaBr 2 ·6H 2 O, Na 2 HPO 4 ·12H 2 O, Zn(NO 3 ) 2 ·nH 2 O, Na 2 S 2 O 3 ·5H 2 O and Cd(NO 3 ) 2 ·4H 2 O. <EOS>