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INTEGRATED TOUCH SENSOR ELECTRODE AND BACKLIGHT MASK

  • US 20100259497A1
  • Filed: 04/09/2010
  • Published: 10/14/2010
  • Est. Priority Date: 04/09/2009
  • Status: Abandoned Application
First Claim
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1. A user interface comprising:

  • a user interface substrate, said user interface substrate having a front surface and a rear surface;

    a touch sensor sensing electrode disposed on said user interface substrate, said sensing electrode comprising a substantially opaque, conductive material, said substantially opaque, conductive material defining an aperture therein;

    an electrical circuit trace disposed on said user interface substrate, said electrical circuit trace coupled to said sensing electrode, anda first light source associated with said sensing electrode, said first light source adapted to project light toward said sensing electrode and through said aperture but not toward portions of said user interface substrate surrounding said sensing electrode, whereby said light is visible at said front surface of said user interface substantially in the form of said aperture;

    wherein said sensing electrode is located between said first light source and said front surface of said user interface substrate.

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