Patent ID: 9443674
Filing Date: 2016-09-13
CPC Classification: H01H

Claim Text:
1. An illuminated keyboard device, comprising: plural keys comprising plural keycaps, respectively, wherein each of the plural keycaps has at least one light outputting zone; a membrane switch circuit module located under the plural keys, wherein when one of the plural keycaps is depressed, the membrane switch circuit module is triggered to generate a corresponding key signal, wherein the membrane switch circuit module comprises an upper wiring plate, a lower wiring plate and a spacer layer, and the spacer layer is arranged between the upper wiring plate and the lower wiring plate; and plural light-emitting elements disposed on a top surface of the upper wiring plate and located under the corresponding keycaps, wherein the plural light-emitting elements emit plural light beams to the corresponding light outputting zones, wherein plural light source wiring lines are formed on the top surface of the upper wiring plate, and the plural light-emitting elements are connected with each other through the plural light source wiring lines.