Touch display device and driving method thereof

Touch display device and driving method thereof

  • CN 104,516,581 B
  • Filed: 08/22/2014
  • Issued: 04/24/2020
  • Est. Priority Date: 09/27/2013
  • Status: Active Grant
First Claim
Patent Images

1. A touch display device comprising:

  • a touch display panel for displaying an image corresponding to a touch applied from the outside of the touch display device;

    a gate driver for sequentially driving all gate lines of the touch display panel once during a unit field period including four consecutive field periods; and

    a touch control unit for defining a period other than a total gate driving period in the unit field period as a touch sensing period and performing an operation of sensing a touch on the touch display panel during the touch sensing period,wherein the gate driver sequentially drives the (4n +1) th gate line at a time interval corresponding to the length of three horizontal periods during the first field period, (4n +2) th gate line at a time interval corresponding to the length of three horizontal periods during the second field period, (4n +3) th gate line at a time interval corresponding to the length of three horizontal periods during the third field period, and (4n +4) th gate line at a time interval corresponding to the length of three horizontal periods during the fourth field period, n being a natural number including 0.

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