| 摘要 |
Disclosed is a liquid crystal display device which can sense a change of static capacitance of liquid crystals caused by a touch to detect the touch and a position of the touch, the liquid crystal display device includes, a pixel transistor on each of crossed portions of gate lines and data lines and a pixel electrode at each of the pixel regions, a liquid crystal capacitor between the pixel electrode and a common electrode, a storage line formed on the first substrate, a switching line formed in parallel to the gate line, a read out line parallel to the data line, a first storage capacitor between the storage line and the pixel transistor, a second storage capacitor and a sensing capacitor in series between the switching line and the common electrode, a switching transistor having a gate electrode connected to a contact point of the second storage capacitor and the sensing capacitor, and a drain electrode connected to the read out line.
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