Fenwick & West LLP
Integrated touch display device for displaying image and performing touch sensing through time-divisional multiplexing
Disclosed is a display device integrated with a touch screen. The display device includes a panel configured to include a plurality of first electrodes arranged in parallel in a first direction and a plurality of second electrodes arranged in parallel in a second direction, a switching unit configured to apply a common voltage to the plurality of first and second electrodes when the panel operates in a display driving mode, and when the panel operates in a touch driving mode, apply a first touch scan pulse to the plurality of first electrodes during a first period, and apply a second touch scan pulse to the plurality of first and second electrodes during a second period, a first touch sensing unit configured to apply the first touch scan pulse to the switching unit, and a second touch sensing unit configured to apply the second touch scan pulse to the switching unit.
LG Display Co., Ltd.
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inventional inventional inventional additional
Ju Han Cheol Se Sang Soo Man Hyeop
Kim Kim Hwang Han