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Fluorescing keypad

  • US 5,477,430 A
  • Filed: 03/14/1995
  • Issued: 12/19/1995
  • Est. Priority Date: 03/14/1995
  • Status: Expired due to Term
First Claim
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1. A backlit component having a substantially uniform backlighting intensity, the backlit component including a button member comprising an optically clear silicone and at least one phosphor additive dispersed in a portion of the button member, the button member having means for enabling a light source in proximity to the button member to excite the at least one phosphor additive such that the button member will fluoresce when excited by the light source, the at least one phosphor additive generating a substantially uniform backlighting intensity.

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