A display device includes a display panel including a first pixel, a second pixel, a third pixel, and a fourth pixel, and a backlight unit including a first light source emitting a first light and a second light source emitting a second light, the first, second, third, and fourth pixels including respective light control layers and including respective light converting units, the light converting units respectively receiving the first light from the backlight unit through the light control layers of the first, second, and third pixels and converting the received first light into light having different wavelengths, the fourth pixel including a light transmitting unit receiving the second light from the backlight unit through the light control layer of the fourth pixel and transmitting the received second light therethrough.