Patent ID: 7863532

Claim:
An illuminated key assembly for use in an electronic device, comprising: a light guiding plate; a keypad comprising a number of keys; a key seat including a first surface and an opposite second surface, the key seat having a concave portion defined on the first surface, the keypad accommodated in the concave portion, the key seat having positioning poles protruding outwardly, the light guiding plate defining a number of aligning holes corresponding in size and number to the positioning poles, the positioning poles passing through in the aligning holes, the key seat having a number of apertures corresponding in size and number to the keys; and a key assembly including a shading plate, the shading plate disposed between the key seat and the light guiding plate, the shading plate defining positioning holes corresponding in size and number to the positioning poles, the positioning poles passing through the positioning holes; wherein the light guiding plate has a number of orifices corresponding in size and number to the keys, the shading plate has a number of openings corresponding in size and number to the keys.