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Touch screen sensor with low visibility conductors

  • US 8,508,680 B2
  • Filed: 08/21/2012
  • Issued: 08/13/2013
  • Est. Priority Date: 02/28/2008
  • Status: Active Grant
First Claim
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1. A touch screen sensor having a touch-sensitive surface comprising:

  • within a touch sensing area, a electrically conductive micropattern disposed on or in a visible light transparent substrate, wherein the micropattern includes conductive traces with width between about 1 and 10 micrometers; and

    one or more light scattering elements in an optically continuous layer of substantially uniform optical density disposed between the micropattern and the touch-sensitive surface, and wherein the light scattering elements comprise microscopic features having a size greater than the width of the conductive traces.

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