Liquid crystal display device and method of driving the same
AssigneeLG Display Co., Ltd.
InventorsKwang-Pyo Hong, Jong-Hyun Lee
Life of this patent
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Abstract
A liquid crystal display device includes: a plurality of gate and data lines crossing each other on a substrate to define a plurality of pixels; a thin film transistor in each pixel region and connected to the corresponding gate and data lines; a pixel electrode in each pixel region and connected to a drain electrode of the thin film transistor; and an opposing electrode that forms a capacitor in each pixel along with the pixel electrode, wherein the pixel electrode of a pixel at a nth row line and a mth column line is connected to the opposing electrode of a neighboring pixel along the mth column line or along the nth row line.
Claims8
A liquid crystal display device, comprising:
- a plurality of gate and data lines crossing each other on a substrate to define a plurality of pixels;
- a thin film transistor in each pixel and connected to the corresponding gate and data lines;
- a pixel electrode in each pixel and connected to a drain electrode of the thin film transistor;
- and
- an opposing electrode;
- a gate insulating layer on the gate line;
- a semiconductor layer on the gate insulating layer, wherein the data line is on the gate insulating layer;
- a source electrode and the drain electrode on the semiconductor layer;
- and
- a passivation layer on the data line, the source and drain electrodes, and the pixel electrode, wherein the passivation layer comprises a contact hole that exposes the pixel electrode,
- wherein the pixel electrode of a pixel at a nth row line and a mth column line is connected to the opposing electrode of a neighboring pixel along the mth column line or along the nth row line,
- wherein the opposing electrode is on the passivation layer and includes a plurality of bar-shaped openings,
- wherein the opposing electrode of the neighboring pixel is connected to the pixel electrode of the pixel through the contact hole, and
- wherein the thin film transistor only directly connects with two capacitors:
- one capacitor in the pixel and the other in the neighboring pixel.
A method of driving a liquid crystal display device, the method comprising:
- sequentially applying a gate signal to a plurality of gate lines to turn on a thin film transistor connected to the gate line applied with the gate signal, wherein the thin film transistor is in each of a plurality of pixels that are defined by the plurality of gate lines and a plurality of data lines crossing each other;
- and
- applying a pixel voltage to a pixel electrode of the pixel through the data line when the thin film transistor is turned on,
- wherein an opposing electrode,
- wherein the pixel electrode of a pixel at a nth row line and a mth column line is connected to the opposing electrode of a neighboring pixel along the mth column line or along the nth row line,
- wherein the liquid crystal display device includes:
- a gate insulating layer on the gate line;
- a semiconductor layer on the gate insulating layer, wherein the data line is on the gate insulating layer;
- a source electrode and a drain electrode on the semiconductor layer;
- and
- a passivation layer on the data line, the source and drain electrodes, and the pixel electrode, wherein the passivation layer comprises a contact hole that exposes the pixel electrode,
- wherein the opposing electrode is on the passivation layer and includes a plurality of bar-shaped openings,
- wherein the opposing electrode of the neighboring pixel is connected to the pixel electrode of the pixel through the contact hole, and
- wherein the thin film transistor only directly connects with two capacitors:
- one capacitor in the pixel and the other in the neighboring pixel.
Dependencies are inferred from the claim text.