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Light guide for a display or keyboard

  • US 5,746,493 A
  • Filed: 03/08/1996
  • Issued: 05/05/1998
  • Est. Priority Date: 03/08/1996
  • Status: Expired due to Fees
First Claim
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1. A light guide for illuminating a display or keyboard, comprising a substantially translucent element having a substantially rectangular shape with end edges and side edges, and having an upper surface and a lower surface, a first portion of the light guide being a backing screen for a display and a second portion being a keyboard portion having a plurality of keyholes, the light guide having a plurality of light coupling recesses formed on a first end edge adjacent to the first portion, the recesses being arcuately shaped to transmit light substantially uniformly into the light guide.

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