A light emitting display device, comprising: a substrate that includes a first pixel, a second pixel, a third pixel, and an infrared ray emission portion, the first pixel, the second pixel, and the third pixel representing different colors; a first electrode on the substrate; a second electrode that overlaps the first electrode; an emission layer between the first electrode and the second electrode; and an auxiliary layer between the first electrode and the emission layer, wherein: the emission layer includes a first emission layer in the first pixel and an infrared ray emission layer in the infrared ray emission portion, the auxiliary layer includes a first auxiliary layer that is confined to the first pixel, and the infrared ray emission layer and the first auxiliary layer include the same material; and wherein: the infrared ray emission portion is disposed between the first pixel and the second pixel; the infrared ray emission portion is disposed between the first pixel and the third pixel; or the infrared ray emission portion is disposed between the second pixel and the third pixel; and characterized in that the infrared ray emission layer is not deposited in the second pixel and the third pixel. a substrate that includes a first pixel, a second pixel, a third pixel, and an infrared ray emission portion, the first pixel, the second pixel, and the third pixel representing different colors; a first electrode on the substrate; a second electrode that overlaps the first electrode; an emission layer between the first electrode and the second electrode; and an auxiliary layer between the first electrode and the emission layer, wherein: the emission layer includes a first emission layer in the first pixel and an infrared ray emission layer in the infrared ray emission portion, the auxiliary layer includes a first auxiliary layer that is confined to the first pixel, and the infrared ray emission layer and the first auxiliary layer include the same material; and wherein: the infrared ray emission portion is disposed between the first pixel and the second pixel; the infrared ray emission portion is disposed between the first pixel and the third pixel; or the infrared ray emission portion is disposed between the second pixel and the third pixel; and the emission layer includes a first emission layer in the first pixel and an infrared ray emission layer in the infrared ray emission portion, the auxiliary layer includes a first auxiliary layer that is confined to the first pixel, and the infrared ray emission layer and the first auxiliary layer include the same material; and wherein: the infrared ray emission portion is disposed between the first pixel and the second pixel; the infrared ray emission portion is disposed between the first pixel and the third pixel; or the infrared ray emission portion is disposed between the second pixel and the third pixel; and the infrared ray emission portion is disposed between the first pixel and the second pixel; the infrared ray emission portion is disposed between the first pixel and the third pixel; or the infrared ray emission portion is disposed between the second pixel and the third pixel; and characterized in that the infrared ray emission layer is not deposited in the second pixel and the third pixel.