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Back-illuminated switch panel

  • US 8,506,101 B2
  • Filed: 11/02/2005
  • Issued: 08/13/2013
  • Est. Priority Date: 11/02/2004
  • Status: Active Grant
First Claim
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1. A switch panel comprising:

  • at least one switch;

    a panel member including a substantially rigid sheet, a first layer comprising a coating with an at least substantially transparent carrier containing non-opaque particulate materials, and a second layer provided rearwardly of the first layer and comprising an ink layer providing at least one marking or indicia on a respective portion of the panel member, the or each marking or indicia being associated with the or one of the at least one switch,wherein the switch panel has an obverse side and a reverse side and wherein, in use, when viewed from an obverse side the panel member has a first appearance when not illuminated from a reverse side, and at least one second appearance when at least a portion thereof is back lit or illuminated from the reverse side, such that in the first appearance at least one of the at least one marking or indicia is either not visible or only partially visible and in the second appearance at least one of the at least one marking or indicia is visibly illuminated,wherein the or one of the at least one switch is switched on or off by a user by placing a finger on or adjacent an associated marking or indicia thereby selectably illuminating the associated marking or indicia.

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