A display device is disclosed. The display device comprises: a display panel; an optical assembly providing the display panel with light; and a light absorbing layer positioned on an optical path, the optical path leading to the display panel from the optical assembly, wherein the light provided from the optical assembly to the display panel includes a blue-based light, a green-based light, and a red-based light, wherein an intensity of the green-based light is 25% to 38% with respect to an intensity of the blue-based light 100%, and wherein an intensity of the red-based light is 14% to 32% with respect to the intensity of the blue-based light 100%.