Patent ID: 8759702

Claim:
A key structure, comprising: a seat having a plurality of protruding hooking portions; a conductive membrane disposed on the seat, wherein the conductive membrane has a plurality of openings formed thereon for exposing the hooking portions, wherein the conductive membrane further has at least one pre-determined conducting section defined thereon peripherally; a scissor assembly having a first retainer and a second retainer, wherein the first retainer has a pair of shafts protruding outwardly from opposite sides thereof, wherein the second retainer has a pair of shaft holes formed on opposite side thereof and at least one protrusion arranged above the corresponding conducting section, wherein the shafts are received by the corresponding shaft holes, wherein the first retainer and the second retainer each has one end hinged to the corresponding hooking portions of the seat; a rubber element disposed centrally on the conductive membrane, wherein the rubber element is open-ended having a hole formed on one end thereof away from the seat; a light source disposed under and covered by the rubber element; and a cap disposed on the scissor assembly, wherein the light from the light source is directed to the cap through the hole.