Patent ID: 7057125

Claim:
A backlighting keyboard comprising: a light guide board made of a transparent material and having multiple fastening members formed at an upper surface of the light guide board, multiple light refracting areas formed at a bottom surface of the light guide board, multiple openings defined through the light guide board, and multiple illuminants respectively received in the openings; a membrane printed circuit board provided on the light guide board and having multiple nodes respectively aligned with the fastening members, and multiple first holes defined through the membrane printed circuit board; a rubber button sheet provided on the membrane printed circuit board and having multiple buttons respectively aligned with the nodes, and multiple second holes defined through the rubber button sheet; multiple bridges respectively and pivotally mounted on the fastening members of the light guide board, each bridge being composed of a first arm and second arm pivotally mounted together in a scissors-like manner; and multiple keys respectively and pivotally mounted on the bridges.