A display device, comprising: a display panel, and a conductive pattern on the display panel, wherein the conductive pattern comprises an irregular pattern, the display panel further comprises a bus bar, and the conductive pattern comprises a conductive heating pattern which is electrically connected to the bus bar in order to generate heat and a conductive non-heating pattern which is not electrically connected to the bus bar and which is disposed such that the entire conductive pattern is made visually uniform, the display device further comprises an edge-type backlight unit positioned at the edge of the display and having a light source, wherein the conductive pattern is disposed such that a deviation in an opening ratio is 5% or less with respect to any circumcircle having a diameter of 20 cm, the opening ratio is the ratio of an area which is not covered with the conductive pattern to an area of the display panel provided with the conductive pattern, the conductive non-heating pattern being formed such that its density is higher in a region closer to the light source of the edge-type backlight unit than its density in a region farther from the light source of the edge-type backlight unit, and the conductive heating pattern being formed such that its density is higher in a region farther from the light source of the edge-type backlight unit than its density in a region closer to the light source of the edge-type backlight unit, in order to prevent a deviation in temperature in the display device from being generated by the light source, and wherein the display device is a 3D display device. a display panel, and a conductive pattern on the display panel, wherein the conductive pattern comprises an irregular pattern, the display panel further comprises a bus bar, and the conductive pattern comprises a conductive heating pattern which is electrically connected to the bus bar in order to generate heat and a conductive non-heating pattern which is not electrically connected to the bus bar and which is disposed such that the entire conductive pattern is made visually uniform, the display device further comprises an edge-type backlight unit positioned at the edge of the display and having a light source, wherein the conductive pattern is disposed such that a deviation in an opening ratio is 5% or less with respect to any circumcircle having a diameter of 20 cm, the opening ratio is the ratio of an area which is not covered with the conductive pattern to an area of the display panel provided with the conductive pattern, the conductive non-heating pattern being formed such that its density is higher in a region closer to the light source of the edge-type backlight unit than its density in a region farther from the light source of the edge-type backlight unit, and the conductive heating pattern being formed such that its density is higher in a region farther from the light source of the edge-type backlight unit than its density in a region closer to the light source of the edge-type backlight unit, in order to prevent a deviation in temperature in the display device from being generated by the light source, and wherein the display device is a 3D display device.