Patent ID: 8168905

Claim:
A lighting keyboard comprising: a keyboard unit having a keyboard base, a plurality of press keys that are mounted on said keyboard base, and an elastic layer that is disposed between said press keys and said keyboard base, and that has a plurality of elastic members respectively disposed beneath said press keys; and a combined circuit and lighting unit including: a membrane circuit substrate that underlies said keyboard base; a first light-blocking layer that is disposed on top of said membrane circuit substrate; a first reflecting layer that underlies said membrane circuit substrate; a backlighting module that underlies said first light-reflecting layer a second light-blocking layer that underlies said backlighting module; an insulative spacer layer that is disposed between said first reflecting layer and said backlighting module; and a second reflecting layer that is disposed between said insulative spacer layer and said backlighting module, and that cooperates with said first light-blocking layer, said membrane circuit substrate, said first reflecting layer, said insulative spacer layer, and said backlighting module to define a light passage, wherein light generated from said backlighting module is transmitted toward said press keys through the light passage.