A display device comprising: a first base on which a display area and a non-display area are defined; a light-emitting element (ED1, ED2, ED3) on the first base and in the display area; a second base facing the first base and above the light-emitting element; a color conversion substrate, the color conversion substrate comprising: a color filter (231, 233, 235) on a surface of the second base that faces the first base and overlapping the light-emitting element; and a wavelength conversion pattern (340, 350) on the color filter; wherein a plurality of light-transmitting areas (TA1, TA2, TA3) and a light-blocking area are defined in the color conversion substrate in the display area; wherein the display device further comprises a color pattern located in the non-display area and overlapping the light-blocking area, the color pattern configured to absorb a part of external light introduced into the display device from the outside; and wherein the display device further comprises a sealing member in the non-display area between the first base and the second base; the display device characterized by the color filter overlapping the color pattern in the non-display area; and by the display device further comprising a sink pattern (EIP, EIP_1) in the non-display area, wherein the sink pattern is between the sealing member and the display area when viewed from a plan view; wherein the sink pattern is electrically separated from the light-emitting element; and wherein the sink pattern is a discharge path of static electricity introduced into the color conversion substrate. a first base on which a display area and a non-display area are defined; a light-emitting element (ED1, ED2, ED3) on the first base and in the display area; a second base facing the first base and above the light-emitting element; a color conversion substrate, the color conversion substrate comprising: a color filter (231, 233, 235) on a surface of the second base that faces the first base and overlapping the light-emitting element; and a wavelength conversion pattern (340, 350) on the color filter; a color filter (231, 233, 235) on a surface of the second base that faces the first base and overlapping the light-emitting element; and a wavelength conversion pattern (340, 350) on the color filter; wherein a plurality of light-transmitting areas (TA1, TA2, TA3) and a light-blocking area are defined in the color conversion substrate in the display area; wherein the display device further comprises a color pattern located in the non-display area and overlapping the light-blocking area, the color pattern configured to absorb a part of external light introduced into the display device from the outside; and wherein the display device further comprises a sealing member in the non-display area between the first base and the second base; the display device characterized by the color filter overlapping the color pattern in the non-display area; and by the display device further comprising a sink pattern (EIP, EIP_1) in the non-display area, wherein the sink pattern is between the sealing member and the display area when viewed from a plan view; wherein the sink pattern is electrically separated from the light-emitting element; and wherein the sink pattern is a discharge path of static electricity introduced into the color conversion substrate.