In-plane switching mode liquid crystal display device and manufacturing method thereof

An array substrate for an in-plane switching liquid crystal display device, comprising:

• a substrate;
• a gate line and a data line on the substrate, the data line having at least one bent portion;
• a thin film transistor at a crossing portion of the gate and data lines;
• a plurality of common electrodes having at least one bent portion, at least one overlapping common electrode overlapping at least a portion of the data line;
• a common line connected to the common electrodes;
• and
• a plurality of pixel electrodes alternated with the common electrodes, each pixel electrode having at least one bent portion
• wherein the overlapping common electrode is formed of a non-transparent material;
• and
• wherein the common line and the common electrodes except for the overlapping common electrode are formed on the same layer as the pixel line and the pixel electrodes.

An array substrate for an in-plane switching liquid crystal display device, comprising:

• a substrate;
• a gate line and a data line on the substrate, the data line having at least one bent portion;
• a thin film transistor connected to the gate and data lines;
• a plurality of common electrodes having at least one bent portion, at least one of the common electrodes covering the data line and extending to a neighboring pixel region;
• a common line connected to the plurality of common electrodes;
• and
• a plurality of pixel electrodes alternated with the common electrodes, each pixel electrode having at least one bent portion.

A method of fabricating an array substrate, comprising:

• forming a common line, a plurality of common electrodes, a gate line and a gate electrode on a substrate, the common electrodes having a substantially zigzag shape;
• forming a gate insulator on the gate and common lines;
• forming a semiconductor layer on the gate insulator;
• forming a data line and source and drain electrodes on the semiconductor layer, the data line having a substantially zigzag shape and overlapping at least one common electrode, wherein a width of the at least one common electrode is wider than a width of the data line;
• forming a passivation layer on the data line and the source and drain electrodes;
• and
• forming a plurality of pixel electrodes and a pixel line, the pixel electrodes having a substantially zigzag shape and being alternated with the common electrodes.

A method of fabricating an array substrate, comprising:

• forming a gate line, a gate electrode and at least one common electrode on a substrate, the common electrode having a substantially zigzag shape;
• forming a gate insulator on the gate line and common electrode;
• forming a semiconductor layer on the gate insulator;
• forming a data line and source and drain electrodes on the semiconductor layer, the data line having a substantially zigzag shape and overlapping a portion of the common electrode;
• forming a passivation layer on the data line and the source and drain electrodes;
• and
• forming a common line, a plurality of other common electrodes, a plurality of pixel electrodes and a pixel line on the passivation layer, the common and pixel electrodes having a substantially zigzag shape, wherein the common line and the other common electrodes are formed on the same layer as the pixel electrodes and the pixel line.

A method of fabricating an array substrate, comprising:

• forming a gate line and a gate electrode on a substrate;
• forming a gate insulator on the gate line and gate electrodes;
• forming a semiconductor layer on the gate insulator;
• forming a data line and source and drain electrodes on the semiconductor layer, the data line having a substantially zigzag shape;
• forming a passivation layer on the data line and the source and drain electrodes;
• and
• forming a common line, a plurality of common electrodes, and a plurality of pixel electrodes on the passivation layer, the common and pixel electrodes having a substantially zigzag shape and being alternated with each other, and at least one overlapping common electrode in a layer above the data line and overlapping a portion of the data line, wherein the common line and the common electrodes are formed on the same layer as the pixel electrodes.

A substrate for a switching liquid crystal display device, comprising:

• a substrate;
• a gate line and a data line on the substrate, the data line having at least one bent portion;
• a thin film transistor at a crossing portion of the gate and data lines;
• a plurality of common electrodes having at least one bent portion, wherein at least one of the common electrodes is on a layer above the data line, wherein the at least one of the common electrodes overlaps at least a portion of the data line, and wherein the layer is one of a gate insulating layer and a passivation layer;
• a common line connected to the common electrodes;
• and
• a plurality of pixel electrodes alternated with the common electrodes, each pixel electrode having at least one bent portion.

A substrate for a switching liquid crystal display device, comprising:

• a substrate;
• a gate line and a data line on the substrate, the data line having at least one bent portion;
• a thin film transistor at a crossing portion of the gate and data lines;
• a plurality of common electrodes having at least one bent portion, wherein at least one of the common electrodes is on a layer above the data line, wherein the at least one of the common electrodes covers the data line and, wherein the layer is one of a gate insulating layer and a passivation layer;
• a common line connected to the common electrodes;
• and
• a plurality of pixel electrodes alternated with the common electrodes, each pixel electrode having at least one bent portion.

A substrate for a switching liquid crystal display device, comprising:

• a substrate;
• a gate line and a data line on the substrate, the data line having at least one bent portion;
• a thin film transistor at a crossing portion of the gate and data lines;
• a plurality of common electrodes having at least one bent portion, wherein the data line is on a layer above at least one of the common electrodes and wherein the data line overlaps at least a portion of the least one of the common electrodes;
• a common line connected to the common electrodes, wherein the common line overlaps the gate line;
• and
• a plurality of pixel electrodes alternated with the common electrodes, each pixel electrode having at least one bent portion.