LIQUID CRYSTAL DISPLAY DEVICE
First Claim
1. A liquid crystal display device comprising:
- a first substrate and a second substrate being opposite to each other;
a plurality of gate lines and a plurality of data lines crossing each other on the first substrate to define pixel regions;
pixel transistors respectively disposed at the intersections of the plurality of gate lines and the plurality of data lines, and pixel electrodes respectively disposed in the pixel regions;
a common electrode disposed on the entire surface of the second substrate;
a liquid crystal layer filling a gap between the first and second substrates;
liquid crystal capacitors between the pixel electrodes and the common electrode;
first storage capacitors disposed between the pixel electrodes and first storage electrodes on the first substrate;
second storage capacitors and sensing capacitors disposed in series between the gate lines and the common electrode;
a read out line being parallel with the data lines; and
switching transistors, each of which is provided with a gate electrode connected to a node between the second storage capacitor and the sensing capacitor, a drain electrode connected to the read out line, and a source electrode connected to a power voltage line.
1 Assignment
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Accused Products
Abstract
The liquid crystal display device is for recognizing a variation in liquid crystal capacitance according to a touch to be capable of sensing whether or not the device is touched and the position of a touched region and includes a first substrate and a second substrate being opposite to each other; a plurality of gate lines and a plurality of data lines crossing each other on the first substrate to define pixel regions; pixel transistors respectively disposed at the intersections of the plurality of gate lines and the plurality of data lines, and pixel electrodes respectively disposed in the pixel regions; a common electrode disposed on the entire surface of the second substrate; a liquid crystal layer filling a gap between the first and second substrates; liquid crystal capacitors between the pixel electrodes and the common electrode; first storage capacitors disposed between the pixel electrodes and first storage electrodes on the first substrate; second storage capacitors and sensing capacitors in series between the gate lines and the common electrode; a read out line being parallel with the data lines; and switching transistors, each of which is provided with a gate electrode connected to a node between the second storage capacitor and the sensing capacitor, a drain electrode connected to the read out line, and a source electrode connected to a power voltage line.
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Citations
10 Claims
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1. A liquid crystal display device comprising:
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a first substrate and a second substrate being opposite to each other; a plurality of gate lines and a plurality of data lines crossing each other on the first substrate to define pixel regions; pixel transistors respectively disposed at the intersections of the plurality of gate lines and the plurality of data lines, and pixel electrodes respectively disposed in the pixel regions; a common electrode disposed on the entire surface of the second substrate; a liquid crystal layer filling a gap between the first and second substrates; liquid crystal capacitors between the pixel electrodes and the common electrode; first storage capacitors disposed between the pixel electrodes and first storage electrodes on the first substrate; second storage capacitors and sensing capacitors disposed in series between the gate lines and the common electrode; a read out line being parallel with the data lines; and switching transistors, each of which is provided with a gate electrode connected to a node between the second storage capacitor and the sensing capacitor, a drain electrode connected to the read out line, and a source electrode connected to a power voltage line. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification