Apparatus and method of driving liquid crystal display device
AssigneeLG.Philips LCD Co., Ltd.
InventorKwang Soon Park
Life of this patent
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Abstract
An apparatus and method of driving a liquid crystal display device are disclosed in the present invention. The liquid crystal display device includes a plurality of data lines in a first direction, a plurality of gate lines in a second direction to cross the data lines, a plurality of first liquid crystal cells on a first side with respect to the data lines, a plurality of second liquid crystal cells on a second side with respect to the data lines, a first switching part in each first liquid crystal cell and controlled by a current gate line and a next gate line, and a second switching part in each second liquid crystal cell and controlled by the current gate line and a previous gate line.
Claims46
A liquid crystal display device, comprising:
- a plurality of data lines in a first direction;
- a plurality of gate lines in a second direction to cross the data lines;
- a plurality of first liquid crystal cells on a first side with respect to the data lines;
- a plurality of second liquid crystal cells on a second side with respect to the data lines;
- a first switching part in each first liquid crystal cell and controlled by a current gate line and a next gate line;
- a second switching part in each second liquid crystal cell and controlled by the current gate line and a previous gate line;
- a first ratio that is the ratio of the number of data lines to the gate lines;
- and
- a second ratio that is the ratio of an aspect ratio of the liquid crystal display and the first ratio;
- wherein the second ratio is approximately 2.
A liquid crystal display device, comprising:
- a plurality of data lines in a first direction;
- a plurality of gate lines in a second direction to cross the data lines;
- a plurality of first liquid crystal cells on a first side with respect to the data lines;
- a plurality of second liquid crystal cells on a second side with respect to the data lines;
- a first switching part having a first thin film transistor and a second thin film transistor to apply a video signal supplied to the data lines to the first liquid crystal cell
- a second switching part having a third thin film transistor and a fourth thin film transistor to apply a video signal supplied to the data lines to the second liquid crystal cell;
- a first ratio that is the ratio of the number of data lines to the gate lines;
- and
- a second ratio that is the ratio of an aspect ratio of the liquid crystal display and the first ratio;
- wherein the second ratio is approximately 2;
- and
- wherein the first switching part and the second switching part are symmetric in configurations except for connections to gates of the second and fourth thin film transistors.
A liquid crystal display device, comprising:
- a plurality of data lines in a first direction;
- a plurality of gate lines in a second direction to cross the data lines;
- a plurality of first liquid crystal cells on a first side with respect to the data lines;
- a plurality of second liquid crystal cells on a second side with respect to the data lines;
- a first switching part formed in each first liquid crystal cell and controlled by a current gate line and a next gate line;
- a second switching part formed in each second liquid crystal cell and controlled by the current gate line and a previous gate line;
- a first ratio that is the ratio of the number of data lines to the gate lines;
- and
- a second ratio that is the ratio of an aspect ratio of the liquid crystal display and the first ratio;
- wherein the second ratio is approximately 2;
- and
- wherein the first switching part and the second switching part are alternately arranged with respect to the data lines.
A driving apparatus for a liquid crystal display device, comprising:
- a data driver applying a video signal to data lines;
- and
- a gate driver sequentially applying a first gate signal, a second gate signal, and a third gate signal to a first gate line and sequentially applying a fourth gate signal, a fifth gate signal, and a sixth gate signal to a second gate line that is adjacent to the first gate line, wherein the second gate signal has a width approximately twice the width of the fourth gate signal and second gate signal overlaps the fourth gate signal in time.
A method of driving a liquid crystal display device, the liquid crystal display device having a plurality of liquid crystal cells in rows and having approximately the same number of gate lines as rows, comprising:
- applying a video signal to a first liquid crystal cell when a gate signal is applied to a current gate line and a next gate line;
- and
- applying the video signal to a second liquid crystal cell when the gate signal is applied to the current gate line and a previous gate line.
Dependencies are inferred from the claim text.