Invention Application
US20120133598A1 TOUCH DISPLAY DEVICE 有权
触摸显示设备

TOUCH DISPLAY DEVICE
Abstract:
A touch display device includes a display panel, a light guide plate, at least an invisible light emitting device, and a first light path converting device. The light guide plate includes a plurality of microstructures to reflect an invisible light generated by the invisible light emitting device such that the invisible light passes through the display panel, reaching the first light path converting device.
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