ILLUMINATED KEYPAD ASSEMBLY

摘要

An illuminatable keypad assembly comprises a top member having at least one depressible touch section, a bottom member, and an intermediate member sandwiched between the top and bottom members. The intermediate member has a cavity extending from a second side towards a first side of the intermediate member to define a light guide aligned with the depressible touch section for guiding light toward the depressible touch section. The assembly further comprises a conductive element coupled to the top member and aligned with the depressible touch section, a capacitive sensor coupled to the bottom member for detecting a chance in capacitance when the depressible touch section is moved toward a depressed position, and a primary light source coupled to the bottom member and aligned with the light guide for emitting light through the light guide toward the depressible touch section for illuminating the depressible touch section.