Liquid crystal display device and method for driving the same
First Claim
1. A liquid crystal display device, comprising:
- a plurality of pixel regions arranged on a substrate;
a plurality of first electrodes and a plurality of second electrodes individually provided at the pixel regions to form a horizontal electric field;
a plurality of gate lines arranged on the substrate along a horizontal direction to supply scan-signals to the pixel regions;
a plurality of data lines arranged on the substrate along a longitudinal direction to supply image information to the pixel regions;
a plurality of switching devices each provided at each of the pixel regions and having a first terminal connected to one of the gate lines, a second terminal connected to one of the data lines, and a third terminal connected to the first electrode of the pixel region;
a plurality of first common voltage lines supplying a first common voltage to the second electrodes provided at the pixel regions of every odd-numbered line; and
a plurality of second common voltage lines supplying a second common voltage to the second-electrodes provided at the pixel regions of every even-numbered line, wherein the first terminal of each of the switching devices provided at the pixel regions of a line unit is alternately connected to a Nth gate line and a N+1th gate line (where N is an integer).
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Accused Products
Abstract
A liquid crystal display device includes a plurality of pixel regions arranged on a first substrate, a plurality of first electrodes and a plurality of second electrodes individually provided at the pixel regions to form a horizontal electric field, a plurality of gate lines arranged on the first substrate along a horizontal direction to supply scan signals to the pixel regions, a plurality of data lines arranged on the first substrate along a longitudinal direction to supply image information to the pixel regions, a plurality of switching devices each provided at each of the pixel regions and having a first terminal connected to one of the gate lines, a second terminal connected to one of the data lines, and a third terminal connected to a first electrode of the pixel region, a plurality of first common voltage lines supplying a first common voltage to the second electrodes provided at the pixel regions of every odd-numbered first common voltage line, and a plurality of second common voltage lines supplying a second common voltage to second electrodes provided at the pixel regions of every even-numbered second common voltage line, wherein the first terminal of each of the switching devices provided at the pixel regions of a line unit is alternately connected to a Nth gate line and a N+1th gate line (where N is an integer).
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Citations
17 Claims
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1. A liquid crystal display device, comprising:
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a plurality of pixel regions arranged on a substrate;
a plurality of first electrodes and a plurality of second electrodes individually provided at the pixel regions to form a horizontal electric field;
a plurality of gate lines arranged on the substrate along a horizontal direction to supply scan-signals to the pixel regions;
a plurality of data lines arranged on the substrate along a longitudinal direction to supply image information to the pixel regions;
a plurality of switching devices each provided at each of the pixel regions and having a first terminal connected to one of the gate lines, a second terminal connected to one of the data lines, and a third terminal connected to the first electrode of the pixel region;
a plurality of first common voltage lines supplying a first common voltage to the second electrodes provided at the pixel regions of every odd-numbered line; and
a plurality of second common voltage lines supplying a second common voltage to the second-electrodes provided at the pixel regions of every even-numbered line, wherein the first terminal of each of the switching devices provided at the pixel regions of a line unit is alternately connected to a Nth gate line and a N+1th gate line (where N is an integer). - View Dependent Claims (2, 3, 4, 5, 6, 7, 13)
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8. A method for driving a liquid crystal display employing an in-plane switching (IPS) in which pixel regions are arranged on a substrate and a horizontal electric field is supplied to a liquid crystal layer through a first electrode and a second electrode provided at the pixels, comprising:
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alternately connecting first terminals of a plurality of switching devices provided at the pixel regions of a line unit to an Nth gate line and an N+1th gate line (where N is an integer);
supplying a first common voltage having a pulse form transited by a unit of frame to the second electrodes provided at every odd-numbered line of the pixel regions; and
supplying a second common voltage having a pulse form of an inverted first common voltage to second electrodes provided at every even-numbered line of the pixel regions. - View Dependent Claims (9, 10, 11, 12)
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14. A liquid crystal display device comprising:
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a plurality of pixel regions arranged on a substrate;
a plurality of gate lines arranged on the substrate along a horizontal direction;
a plurality of data lines arranged on the substrate along a longitudinal direction;
a gate driving unit electrically connected to the substrate and supplying scan signals to the pixel regions through the gate lines;
a data driving unit electrically connected to the substrate and supplying image information to the pixel regions through the data lines;
a plurality of switching devices each formed at the pixel regions between a Nth gate line and a N+1th gate line and alternately connected to the Nth gate line and the N+1th gate line (where N is an integer). - View Dependent Claims (15)
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16. A method for driving a liquid crystal display, comprising:
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supplying a first common voltage to every odd-numbered line of pixel regions and a second common voltage to every even-numbered line of pixel regions;
sequentially supplying scan signals to gate lines so as to select the pixel regions, wherein the scan signal supplied to the Nth gate line selects every odd-numbered pixel region of the Nth line of the pixel regions and every even-numbered pixel region of the N+1th line of the pixel regions;
supplying image information corresponding to the scan signals to the selected pixel regions. - View Dependent Claims (17)
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Specification