A display system includes a housing member which has space therein, a plurality of light source units which are placed in the space, a diffusion member which is disposed on the light source units, a liquid crystal display panel which is disposed on the diffusion member, an infrared camera unit which is interposed between the liquid crystal display panel and the diffusion member and photograph a front region of the liquid crystal display panel, and a plurality of infrared light sources which emit infrared light to the front region of the liquid crystal display panel.