A display device (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18) comprising: a substrate; a transparent partition wall (110, 120, 130, 140) disposed on the substrate, wherein the transparent partition wall has a surface (110t, 120t, 130t, 140t) facing away from the substrate and first and second side surfaces (110s, 120s, 130s, 140s) inclined from the surface (110t, 120t, 130t, 140t) towards the substrate on two different sides of the surface (110t, 120t, 130t, 140t), respectively, wherein the first and second side surfaces (110s, 120s, 130s, 140s) extend along the surface of the substrate in the same direction, and wherein the average inclination angle of each of the first and second side surfaces (110s, 120s, 130s, 140s) with respect to the surface of the substrate is 85 degrees or less, wherein the transparent partition wall is configured to define a plurality of openings, wherein each opening corresponds to a pixel of the display device; a light-shielding member (210, 220, 230, 240, 250, 260, 270, 280, 290, 295) disposed on the surface (110t, 120t, 130t, 140t) of the transparent partition wall facing away from the substrate and the side surfaces (110s, 120s, 130s, 140s) of the transparent partition wall; and color conversion patterns (400, 410, 411, 420, 421, 430) respectively disposed in the plurality of openings, the color conversion patterns comprising a quantum dot material or a fluorescent material, wherein the first side surface faces a side surface of a first color conversion pattern (410, 411) adjacent to the first side surface, and the second side surface faces a side surface of a second color conversion pattern (420, 421) adjacent to the second side surface, the light-shielding member (210, 220, 230, 240, 250, 260, 270, 280, 290, 295) is disposed between the first side surface of the transparent partition wall and the side surface of the first color conversion pattern (410, 411) adjacent to the first side surface of the transparent partition wall, and between the second side surface of the transparent partition wall and the side surface of the second color conversion pattern (420, 421) adjacent to the second side surface, and the light-shielding member has light-absorbing characteristics. a substrate; a transparent partition wall (110, 120, 130, 140) disposed on the substrate, wherein the transparent partition wall has a surface (110t, 120t, 130t, 140t) facing away from the substrate and first and second side surfaces (110s, 120s, 130s, 140s) inclined from the surface (110t, 120t, 130t, 140t) towards the substrate on two different sides of the surface (110t, 120t, 130t, 140t), respectively, wherein the first and second side surfaces (110s, 120s, 130s, 140s) extend along the surface of the substrate in the same direction, and wherein the average inclination angle of each of the first and second side surfaces (110s, 120s, 130s, 140s) with respect to the surface of the substrate is 85 degrees or less, wherein the transparent partition wall is configured to define a plurality of openings, wherein each opening corresponds to a pixel of the display device; a light-shielding member (210, 220, 230, 240, 250, 260, 270, 280, 290, 295) disposed on the surface (110t, 120t, 130t, 140t) of the transparent partition wall facing away from the substrate and the side surfaces (110s, 120s, 130s, 140s) of the transparent partition wall; and color conversion patterns (400, 410, 411, 420, 421, 430) respectively disposed in the plurality of openings, the color conversion patterns comprising a quantum dot material or a fluorescent material, wherein the first side surface faces a side surface of a first color conversion pattern (410, 411) adjacent to the first side surface, and the second side surface faces a side surface of a second color conversion pattern (420, 421) adjacent to the second side surface, the light-shielding member (210, 220, 230, 240, 250, 260, 270, 280, 290, 295) is disposed between the first side surface of the transparent partition wall and the side surface of the first color conversion pattern (410, 411) adjacent to the first side surface of the transparent partition wall, and between the second side surface of the transparent partition wall and the side surface of the second color conversion pattern (420, 421) adjacent to the second side surface, and the light-shielding member has light-absorbing characteristics.