Patent ID: 7588338

Claim:
A keyboard equipped with a backlight structure, comprising: a keyboard portion which has a plurality of keys, each of the keys including a key cap which has a surface formed with a notation for emitting light and a moving mechanism coupling with the key cap to allow the key cap to be depressed for a selected displacement; a bridge board coupling with another end of the moving mechanism to allow the keyboard portion to be depressed against the bridge board for a selected distance; a signal triggering means which includes a circuit board and an actuation element compressible by the keyboard portion to trigger the circuit board to output a signal; and a base board located beneath the bridge board and spaced therefrom to form a light transmission space; wherein the bridge board has at least one light channeling portion extending into the light transmission space and corresponding to the notation on the keyboard portion, the light channeling portion receiving light entering the light transmission space from a light source and channeling the light to the notation on the keyboard portion.