A hidden touch pad structure adopted for an electronic product has a plate, a touch pad arranged inside the plate, a circuit board disposed under and retained against the plate and the touch pad simultaneously, and a lighting device surrounding the touch pad and received inside the plate. The circuit board receives a pressure signal via the plate and the touch pad, and drives the lighting device to provide light. The touch pad is recognized via the lighting device surrounding thereof.

 
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> Movable lens mechanism

~ 00320