Patent ID: 8773399
Filing Date: 2014-07-08
Classification: G06F

Abstract:
1. A touch display device, comprising: a display panel having a display surface; a touch panel disposed above the display panel and comprising: a plurality of first light sources disposed under the touch panel and corresponding to the first light guide parts and each configured to emit invisible light beams, the invisible light beams are emitted into the touch panel through the second surface, the first surfaces each are configured to reflect the invisible light beams thereby reflecting the invisible light beams sequentially above the touch region and to the corresponding second reflective surface; a plurality of light sensors disposed under the touch panel and corresponding to the second light guide parts and each configured to receive the invisible light beams reflected by the corresponding second reflective surfaces; and at least one second light source disposed beside the at least one side surface and configured to emit visible light beams, wherein the visible light beams are emitted into the touch panel through the at least one side surface.