BUTTON DEVICE AND ELECTRONIC EQUIPMENT USING THE SAME

摘要

A button device comprises: a circuit board; a tact switch disposed on the circuit board, wherein the tact switch has a pressed surface; a light source disposed on the circuit board; and a resilient button capable of sliding relative to the circuit board. The resilient button includes a pressed portion having a projection surface and a light guide column connected to the pressed portion and directing light toward the projection surface. The light guide column includes a light receiving surface facing the light source with a certain distance apart and a touchable portion apart from the pressed surface with a certain distance used for touching the tact switch.