Patent ID: 8432378

Claim:
A touch panel display comprising: a display panel comprising a touch surface; a plurality of light source modules disposed on a periphery of the display panel, light from the light source modules cooperatively forming a substantially planar illumination field that is substantially positioned above and parallel to the touch surface; and a camera provided at a periphery of the display panel and positioned above the touch surface and the planar illumination field, wherein when an object contacts or is adjacent to the touch surface, some of the light of the illumination field is reflected by the object to the camera; wherein each of the light source modules comprises a point light source; wherein the touch panel display comprises a plurality of light shield plates positioned above the planar illumination filed but beneath the camera, the light shield plates are located above the light source modules, respectively, wherein each of the light shield plates is arranged to prevent light emitted from the corresponding point light source from propagating directly to the camera.