Patent ID: 8508686

Claim:
A display system comprising: a liquid crystal display panel; a housing member comprising a plurality of sidewalls coupled to each other to form a pillar, the pillar having a lower region being smaller than an upper region thereof; an upper mold frame coupled to an upper region of the housing member, the upper mold frame fixing the liquid crystal display panel; a plurality of diffusion members disposed adjacent the sidewalls, the plurality of diffusion members exposing a portion of a lower region of the housing member; a plurality of light source units interposed between the sidewalls and the diffusion members; and an infrared detector disposed in the exposed portion of the lower region of the housing member, the infrared detector detecting an object located in a front region of the liquid crystal display panel using infrared light, wherein the infrared detector comprises: an infrared camera detecting infrared light reflected by the object in the front region of the liquid crystal display panel; and infrared light sources disposed around the infrared camera and emitting infrared light.