Patent ID: 7470868

Claim:
A switch with light emitting function disposed on a circuit board, wherein the switch is for starting a device and comprises: a case; a button protruded from the case, wherein the button comprises a first contact point, a second contact point, a third contact point and a fourth contact point; a light emitting diode (LED) disposed inside the case, wherein the LED has a positive end and a negative end; and a plurality of pins electrically connected to a first electrical contact, a second electrical contact, a third electrical contact and the negative end of the LED respectively, and the positive end of the LED is electrically connected to a fourth electrical contact; wherein when the button is pressed, the first electrical contact and the second electrical contact are shorted to start the device, meanwhile, the third electrical contact and the fourth electrical contact are shorted so that the LED is turned on to emit a light; and wherein when the button is pressed, the first contact point is electrically connected to the first electrical contact, the second contact point is electrically connected to the second electrical contact, the third contact point is electrically connected to the third electrical contact, and the fourth contact point is electrically connected to the fourth electrical contact.