A display apparatus comprising: a backlight unit; and an image forming unit configured to generate an image by transmitting or blocking light emitted from the backlight unit, wherein the image forming unit comprises: a liquid crystal panel configured to transmit or block light emitted from the backlight unit according to an electric field; and a light absorption sheet disposed in front of the liquid crystal panel and configured to absorb light having a predetermined range of wavelengths which ranges from yellow to orange wavelengths, wherein said light absorption sheet comprises tetra-aza-porphyrin, also known as TAP, said tetra-aza-porphyrin having been adapted to absorb light of wavelengths in the range of 530nm to 630nm; wherein the liquid crystal panel comprises: a liquid crystal layer; characterised in that the liquid crystal panel further comprises a color filter comprising a red filter, a green filter, and a blue filter, each of which are disposed in front of the liquid crystal layer and aligned parallel to each other, and a black matrix interposed between the red filter, the green filter, and the blue filter, wherein the light absorption sheet exhibits a nigher concentration of tetra-aza-porphyrin in the portion corresponding to the black matrix than in the other portions. a backlight unit; and an image forming unit configured to generate an image by transmitting or blocking light emitted from the backlight unit, wherein the image forming unit comprises: a liquid crystal panel configured to transmit or block light emitted from the backlight unit according to an electric field; and a light absorption sheet disposed in front of the liquid crystal panel and configured to absorb light having a predetermined range of wavelengths which ranges from yellow to orange wavelengths, wherein said light absorption sheet comprises tetra-aza-porphyrin, also known as TAP, said tetra-aza-porphyrin having been adapted to absorb light of wavelengths in the range of 530nm to 630nm; wherein the liquid crystal panel comprises: a liquid crystal layer; characterised in that the liquid crystal panel further comprises a color filter comprising a red filter, a green filter, and a blue filter, each of which are disposed in front of the liquid crystal layer and aligned parallel to each other, and a black matrix interposed between the red filter, the green filter, and the blue filter, wherein the light absorption sheet exhibits a nigher concentration of tetra-aza-porphyrin in the portion corresponding to the black matrix than in the other portions. a liquid crystal panel configured to transmit or block light emitted from the backlight unit according to an electric field; and a light absorption sheet disposed in front of the liquid crystal panel and configured to absorb light having a predetermined range of wavelengths which ranges from yellow to orange wavelengths, wherein said light absorption sheet comprises tetra-aza-porphyrin, also known as TAP, said tetra-aza-porphyrin having been adapted to absorb light of wavelengths in the range of 530nm to 630nm; wherein the liquid crystal panel comprises: a liquid crystal layer; characterised in that the liquid crystal panel further comprises a color filter comprising a red filter, a green filter, and a blue filter, each of which are disposed in front of the liquid crystal layer and aligned parallel to each other, and a black matrix interposed between the red filter, the green filter, and the blue filter, wherein the light absorption sheet exhibits a nigher concentration of tetra-aza-porphyrin in the portion corresponding to the black matrix than in the other portions.