Illuminating keyboards

  • US 7,357,523 B2
  • Filed: 02/22/2005
  • Issued: 04/15/2008
  • Est. Priority Date: 12/23/2004
  • Status: Active Grant
First Claim
Patent Images

1. An illuminating keyboard, comprising:

  • a key module having one or more keys;

    a light guide plate, disposed beneath the key module, having an upper surface facing the key module and a plurality of openings formed on the upper surface, wherein the plurality of openings are formed outside any area directly beneath the one or more keys, and the plurality of openings are formed in an inner area of the upper surface, such that the openings are separated by a distance from a peripheral edge of the upper surface;

    a plurality of light reflecting layers respectively formed on the inner surfaces of the openings; and

    a light source disposed adjacent to the light guide plate.

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