Liquid crystal display device and method of driving the same
First Claim
1. A display device, comprising:
- a pixel array including a plurality of gate lines and a plurality of data lines crossing each other to define pixel regions and a plurality of first thin film transistors near the crossings, the first thin film transistors supplying pixel voltages to pixel electrodes of the pixel regions;
a gate driving circuit to sequentially supply a scanning pulse to the gate lines;
a data driving circuit to supply the pixel voltages to the data lines; and
a pre-charging circuit including a plurality of second thin film transistors, the second thin film transistor connected to the nth gate line and turned on by the scanning pulse applied to the nth gate line, the pre-charging circuit supplying a voltage higher than a threshold voltage of the first thin film transistors to the (n+2)th gate line.
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Accused Products
Abstract
A display device according to the present invention includes a pixel array including a plurality of gate lines and a plurality of data lines crossing each other to define pixel regions and a plurality of first thin film transistors near the crossings, the first thin film transistors supplying pixel voltages to pixel electrodes of the pixel regions; a gate driving circuit to sequentially supply a scanning pulse to the gate lines; a data driving circuit to supply the pixel voltages to the data lines; and a pre-charging circuit including a plurality of second thin film transistors, the second thin film transistor connected to the nth (wherein, n is an integer) gate line and turned on by the scanning pulse applied to the nth gate line, the pre-charging circuit supplying a voltage higher than a threshold voltage of the first thin film transistors to the (n+2)th gate line.
10 Citations
20 Claims
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1. A display device, comprising:
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a pixel array including a plurality of gate lines and a plurality of data lines crossing each other to define pixel regions and a plurality of first thin film transistors near the crossings, the first thin film transistors supplying pixel voltages to pixel electrodes of the pixel regions; a gate driving circuit to sequentially supply a scanning pulse to the gate lines; a data driving circuit to supply the pixel voltages to the data lines; and a pre-charging circuit including a plurality of second thin film transistors, the second thin film transistor connected to the nth gate line and turned on by the scanning pulse applied to the nth gate line, the pre-charging circuit supplying a voltage higher than a threshold voltage of the first thin film transistors to the (n+2)th gate line. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of driving a display device, the display device including a pixel array in which a plurality of gate lines cross a plurality of data lines to define pixel regions and a plurality of first thin film transistors near the crossings, the first thin film transistors supplying pixel voltages to pixel electrodes of the pixel regions, the method comprising:
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sequentially supplying a scanning pulse to the gate lines; supplying the pixel voltages to the data lines according to a dot inversion method; and supplying a voltage higher than a threshold of the first thin film transistors to the (n+2)th gate line using a second thin film transistor turned on in accordance with the scanning pulse supplied to the nth gate line. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A pre-charge device for pre-charging pixels of a display device having a plurality of gate lines and a plurality of data lines crossing each other and a plurality of first thin film transistors near the crossings for supplying pixel voltages to the pixels, the pre-charge device comprising:
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a voltage generator to supply a voltage higher than a threshold voltage of the first thin film transistors; and a plurality of second thin film transistors, one of the second thin film transistors turned on by a scanning pulse applied to the nth (wherein, n is an integer) gate line to supply the voltage higher than the threshold voltage of the first thin film transistors to the (n+2)th gate line. - View Dependent Claims (17, 18, 19, 20)
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Specification