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Projection scan multi-touch sensor array

  • US 20080158198A1
  • Filed: 01/03/2007
  • Published: 07/03/2008
  • Est. Priority Date: 01/03/2007
  • Status: Active Grant
First Claim
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1. A single-surface touch sensor panel, comprising:

  • a plurality of distributed RC lines arranged in an array of rows and columns, the distributed RC lines including alternating connected transistors and metal pads formed on a single surface of a sensor panel substrate, each transistor having drain and source terminals connected to adjacent metal pads;

    a column enable line connected to a gate terminal of every transistor in the distributed RC lines oriented in a column; and

    a row enable line connected to a gate terminal of every transistor in the distributed RC lines oriented in a row.

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