Liquid Crystal Display Device and Method of Driving the Same
First Claim
1. A liquid crystal display (LCD) device comprising:
- a liquid crystal panel configured to comprise a TFT substrate and a color filter substrate which are coupled to each other with a liquid crystal layer therebetween;
a touch panel configured to comprise a plurality of electrode units parallel to the gate lines to detect a touch, each of the electrode units comprising a plurality of driving electrodes, formed in parallel to data lines formed in the TFT substrate, and a plurality of receiving electrodes formed in parallel to gate lines formed in the TFT substrate to intersect the driving electrodes;
a common voltage generator configured to generate a common voltage;
a touch sensing unit configured to supply the common voltage to the electrode units and sequentially supply a driving voltage to driving electrodes formed in scanned electrode units, corresponding to scanned gate lines which have received a scan signal for one frame period, to detect a touch; and
a driving voltage generator configured to generate the driving voltage.
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Accused Products
Abstract
Disclosed is an LCD device and a method of driving the same. The LCD device includes a liquid crystal panel configured to comprise a TFT substrate and a color filter substrate; a touch panel configured to comprise a plurality of electrode units parallel to the gate lines to detect a touch, each of the electrode units comprising a plurality of driving electrodes and a plurality of receiving electrodes; a common voltage generator configured to generate a common voltage; a touch sensing unit configured to supply the common voltage to the electrode units and sequentially supply a driving voltage to driving electrodes formed in scanned electrode units, corresponding to scanned gate lines which have received a scan signal for one frame period, to detect a touch; and a driving voltage generator configured to generate the driving voltage.
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Citations
10 Claims
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1. A liquid crystal display (LCD) device comprising:
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a liquid crystal panel configured to comprise a TFT substrate and a color filter substrate which are coupled to each other with a liquid crystal layer therebetween; a touch panel configured to comprise a plurality of electrode units parallel to the gate lines to detect a touch, each of the electrode units comprising a plurality of driving electrodes, formed in parallel to data lines formed in the TFT substrate, and a plurality of receiving electrodes formed in parallel to gate lines formed in the TFT substrate to intersect the driving electrodes; a common voltage generator configured to generate a common voltage; a touch sensing unit configured to supply the common voltage to the electrode units and sequentially supply a driving voltage to driving electrodes formed in scanned electrode units, corresponding to scanned gate lines which have received a scan signal for one frame period, to detect a touch; and a driving voltage generator configured to generate the driving voltage. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of driving a liquid crystal display (LCD) device, the method comprising:
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supplying a common voltage to a plurality of electrode units parallel to a plurality of gate lines, each of the electrode units comprising a plurality of driving electrodes, formed in parallel to a plurality of data lines, and a plurality of receiving electrodes formed in parallel to the gate lines to intersect the driving electrodes; and sequentially supplying a driving voltage to driving electrodes formed in scanned electrode units, corresponding to scanned gate lines which have received a scan signal for one frame period, to detect a touch while the common voltage is supplied to the electrode units. - View Dependent Claims (8, 9, 10)
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Specification