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TOUCH SENSING CONTROLLER, TOUCH SENSING DEVICE AND TOUCH SENSING SYSTEM INCLUDING THE SAME

  • US 20150212643A1
  • Filed: 01/26/2015
  • Published: 07/30/2015
  • Est. Priority Date: 01/27/2014
  • Status: Abandoned Application
First Claim
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1. A touch sensing device, comprising:

  • a touch panel configured to generate a first receiving signal, a second receiving signal, and a third receiving signal corresponding to a touch occurring at the touch sensing device;

    a receiving unit connected to the touch panel through a first receiving line, a second receiving line, and a third receiving line, wherein the receiving unit receives the first receiving signal, the second receiving signal, and the third receiving signal through the first receiving line, the second receiving line, and the third receiving line, respectively,wherein the receiving unit further comprises a differential signal generator,wherein the differential signal generator is configured to exclude a first common signal common to the first receiving signal and the second receiving signal from each of the first receiving signal and the second receiving signal to generate first differential signals when a first touch sensing operation is performed,wherein the differential signal generator is configured to exclude a second common signal common to the second receiving signal and the third receiving signal from each of the second receiving signal and the third receiving signal to generate second differential signals when a second touch sensing operation is performed.

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