Patent ID: 9274639
Filing Date: 2016-03-01
CPC Classification: G06F

Claim Text:
1. A touch display device, comprising: a controller to generate a touch sync signal for controlling timing of a touch sensing period and a display period in each of a plurality of frames, the touch sensing period and the display period alternating with each other; a touch panel having a plurality of touch electrodes in a display area of the touch display device, the touch panel to generate touch sensing signals indicating whether or not a touch occurs during the touch sensing period; a touch sensing circuit to supply a touch drive signal to the plurality of touch electrodes during the touch sensing period and to detect if the touch occurred based on the touch sensing signals; a gate driver to supply gate pulses to gate lines of the touch panel during the display period to activate respective rows of pixels to receive pixel data, the gate driver to supply the gate pulses by switching between driving a gate-off voltage from a gate-off voltage supply line onto the gate lines and driving a gate-on voltage from a gate-on voltage supply line onto the gate lines, the gate driver further to supply a gate line auxiliary drive signal from the gate-off voltage supply line onto the gate lines during the touch sensing period, the gate line auxiliary drive signal mimicking the touch drive signal; a first auxiliary line adjacent to the gate-off voltage supply line on a first side of the gate-off voltage supply line and a second auxiliary line adjacent to the gate-off voltage supply line on a second side of the gate-off voltage supply line opposite the first side, the first and second auxiliary lines formed at least in part on a same layer as the gate-off voltage supply line, the first and second auxiliary lines to supply a supplemental auxiliary drive signal during the touch sensing period, the supplemental auxiliary drive signal mimicking the touch drive signal.