Abstract: A touch display device has an inspection process and a repair process that may be easily performed. The touch display device includes first and second touch electrodes spaced apart from each other and a dummy conductive layer spaced apart from at least one of the first touch electrodes and the second touch electrodes, and is characterized in that the shape of at least one of the first touch electrodes and the second touch electrodes arranged in first boundary areas is different from the shape of at least one of the first touch electrodes, the second touch electrodes and the dummy conductive layer arranged in second boundary areas, thereby rapidly detecting the position of a defect and improving efficiency of inspection and repair processes.

Abstract: A touch display device has an inspection process and a repair process that may be easily performed. The touch display device includes first and second touch electrodes spaced apart from each other and a dummy conductive layer spaced apart from at least one of the first touch electrodes and the second touch electrodes, and is characterized in that the shape of at least one of the first touch electrodes and the second touch electrodes arranged in first boundary areas is different from the shape of at least one of the first touch electrodes, the second touch electrodes and the dummy conductive layer arranged in second boundary areas, thereby rapidly detecting the position of a defect and improving efficiency of inspection and repair processes.

Abstract: A touch display device has an inspection process and a repair process that may be easily performed. The touch display device includes first and second touch electrodes spaced apart from each other and a dummy conductive layer spaced apart from at least one of the first touch electrodes and the second touch electrodes, and is characterized in that the shape of at least one of the first touch electrodes and the second touch electrodes arranged in first boundary areas is different from the shape of at least one of the first touch electrodes, the second touch electrodes and the dummy conductive layer arranged in second boundary areas, thereby rapidly detecting the position of a defect and improving efficiency of inspection and repair processes.

Abstract: An etchant for forming double-layered signal lines and electrodes of a liquid crystal display device includes hydrogen peroxide (H2O2), a phosphate, F-ions, an organic acid having a carboxyl group (—COOH), a copper (Cu) inhibitor, and a hydrogen peroxide (H2O2) stabilizer, wherein each of the double-layered signal lines and electrodes of the liquid crystal display device includes a first layer of one of aluminum (Al), aluminum alloy (Al-alloy), titanium (Ti), titanium alloy (Ti-alloy), tantalum (Ta), and a tantalum alloy (Ta-alloy) and a second layer of copper (Cu).

Abstract: A method of forming an array substrate for a LCD device includes patterning a first metal layer and a first barrier metal layer to form a gate electrode, a gate line and a gate pad; forming a gate insulation layer to cover the gate electrode, line and pad; forming an active layer, an ohmic contact layer, a second barrier metal layer and a second metal layer including a copper (Cu) layer on the gate insulation layer; patterning the second metal layer and the second barrier metal layer by a first etching process; patterning an exposed portion of the second metal layer and the second barrier metal layer and ohmic contact layer to form source and drain electrodes each having a double layered structure of the second barrier metal layer and the second metal layer; and forming a pixel electrode on a passivation layer formed on the source and drain electrodes.

Abstract: An etchant for forming double-layered signal lines and electrodes of a liquid crystal display device includes hydrogen peroxide (H2O2), a phosphate, F-ions, an organic acid having a carboxyl group (—COOH), a copper (Cu) inhibitor, and a hydrogen peroxide (H2O2) stabilizer, wherein each of the double-layered signal lines and electrodes of the liquid crystal display device includes a first layer of one of aluminum (Al), aluminum alloy (Al-alloy), titanium (Ti), titanium alloy (Ti-alloy), tantalum (Ta), and a tantalum alloy (Ta-alloy) and a second layer of copper (Cu).

Abstract: The present invention is an array substrate for use in a liquid crystal display device, which includes a gate electrode, a gate line and a gate pad on a substrate, wherein the gate electrode, the gate line and the gate pad have a double-layered structure consisting of a first metal layer and a first barrier metal layer in series from the substrate, and wherein the first metal is one of aluminum and aluminum alloy; a gate insulation layer on the substrate covering the gate electrode, gate line and gate pad; an active layer and an ohmic contact layer sequentially formed on the gate insulation layer and over the gate electrode; a data line on the gate insulation layer perpendicularly crossing the gate line, source and drain electrodes contacting the ohmic contact layer, and a data pad on the gate insulation layer, wherein the data line, the source and drain electrode and the data pad have a double-layered structure consisting of a second barrier metal layer and a second metal layer of copper; a passivation layer

Abstract: An etchant for forming double-layered signal lines and electrodes of a liquid crystal display device includes hydrogen peroxide (H2O2), a phosphate, F-ions, an organic acid having a carboxyl group (—COOH), a copper (Cu) inhibitor, and a hydrogen peroxide (H2O2) stabilizer, wherein each of the double-layered signal lines and electrodes of the liquid crystal display device includes a first layer of one of aluminum (Al), aluminum alloy (Al-alloy), titanium (Ti), titanium alloy (Ti-alloy), tantalum (Ta), and a tantalum alloy (Ta-alloy) and a second layer of copper (Cu).

Abstract: An array substrate in a liquid crystal display device includes a gate electrode, a gate line and a gate pad on a substrate, wherein the gate electrode, the gate line and the gate pad have a double-layered structure consisting of a first metal layer and a first barrier metal layer in series from the substrate, and wherein the first metal is one of aluminum and aluminum alloy; a gate insulation laver; an active layer and an ohmic contact layer; a data line, source and drain electrodes, and a data pad each having a double-layered structure consisting of a second barrier metal layer and a second metal layer of copper; a passivation layer; and a pixel electrode, a gate pad terminal and a data pad terminal on the passivation layer formed of a transparent conductive material.

Abstract: An array substrate in a liquid crystal display device includes a gate electrode, a gate line and a gate pad on a substrate, wherein the gate electrode, the gate line and the gate pad have a double-layered structure consisting of a first metal layer and a first barrier metal layer in series from the substrate, and wherein the first metal is one of aluminum and aluminum alloy; a gate insulation layer; an active layer and an ohmic contact layer; a data line, source and drain electrodes, and a data pad each having a double-layered structure consisting of a second barrier metal layer and a second metal layer of copper; a passivation layer; and a pixel electrode, a gate pad terminal and a data pad terminal on the passivation layer formed of a transparent conductive material.

Abstract: The present invention is an array substrate for use in a liquid crystal display device, which includes a gate electrode, a gate line and a gate pad on a substrate, wherein the gate electrode, the gate line and the gate pad have a double-layered structure consisting of a first metal layer and a first barrier metal layer in series from the substrate, and wherein the first metal is one of aluminum and aluminum alloy; a gate insulation layer on the substrate covering the gate electrode, gate line and gate pad; an active layer and an ohmic contact layer sequentially formed on the gate insulation layer and over the gate electrode; a data line on the gate insulation layer perpendicularly crossing the gate line, source and drain electrodes contacting the ohmic contact layer, and a data pad on the gate insulation layer, wherein the data line, the source and drain electrode and the data pad have a double-layered structure consisting of a second barrier metal layer and a second metal layer of copper; a passivation layer

Abstract: An etchant for forming double-layered signal lines and electrodes of a liquid crystal display device includes hydrogen peroxide (H2O2), a phosphate, F-ions, an organic acid having a carboxyl group (—COOH), a copper (Cu) inhibitor, and a hydrogen peroxide (H2O2) stabilizer, wherein each of the double-layered signal lines and electrodes of the liquid crystal display device includes a first layer of one of aluminum (Al), aluminum alloy (Al-alloy), titanium (Ti), titanium alloy (Ti-alloy), tantalum (Ta), and a tantalum alloy (Ta-alloy) and a second layer of copper (Cu).

Abstract: The present invention is an array substrate for use in a liquid crystal display device, which includes a gate electrode, a gate line and a gate pad on a substrate, wherein the gate electrode, the gate line and the gate pad have a double-layered structure consisting of a first metal layer and a first barrier metal layer in series from the substrate, and wherein the first metal is one of aluminum and aluminum alloy; a gate insulation layer on the substrate covering the gate electrode, gate line and gate pad; an active layer and an ohmic contact layer sequentially formed on the gate insulation layer and over the gate electrode; a data line on the gate insulation layer perpendicularly crossing the gate line, source and drain electrodes contacting the ohmic contact layer, and a data pad on the gate insulation layer, wherein the data line, the source and drain electrode and the data pad have a double-layered structure consisting of a second barrier metal layer and a second metal layer of copper; a passivation layer

Abstract: The present invention is an array substrate for use in a liquid crystal display device, which includes a gate electrode, a gate line and a gate pad electrode on a substrate, wherein all of the gate electrode, the gate line and the gate pad electrode have a first barrier metal layer, a first copper layer, and a first out-diffusion film that covers and surrounds the first copper layer. In the liquid crystal display device, the pixel electrode, gate pad terminal and data pad terminal are formed of a transparent conductive material on a passivation layer.

Abstract: The present invention is an array substrate for use in a liquid crystal display device, which includes a gate electrode, a gate line and a gate pad on a substrate, wherein the gate electrode, the gate line and the gate pad have a double-layered structure consisting of a first metal layer and a first barrier metal layer in series from the substrate, and wherein the first metal is one of aluminum and aluminum alloy; a gate insulation layer on the substrate covering the gate electrode, gate line and gate pad; an active layer and an ohmic contact layer sequentially formed on the gate insulation layer and over the gate electrode; a data line on the gate insulation layer perpendicularly crossing the gate line, source and drain electrodes contacting the ohmic contact layer, and a data pad on the gate insulation layer, wherein the data line, the source and drain electrode and the data pad have a double-layered structure consisting of a second barrier metal layer and a second metal layer of copper; a passivation layer

Abstract: The present invention is an array substrate for use in a liquid crystal display device, which includes a gate electrode, a gate line and a gate pad electrode on a substrate, wherein all of the gate electrode, the gate line and the gate pad electrode have a first barrier metal layer, a first copper layer, and a first out-diffusion film that covers and surrounds the first copper layer. In the liquid crystal display device, the pixel electrode, gate pad terminal and data pad terminal are formed of a transparent conductive material on a passivation layer.

Abstract: The present invention is an array substrate for use in a liquid crystal display device, which includes a gate electrode, a gate line and a gate pad electrode on a substrate, wherein all of the gate electrode, the gate line and the gate pad electrode have a first barrier metal layer, a first copper layer, and a first out-diffusion film that covers and surrounds the first copper layer. In the liquid crystal display device, the pixel electrode, gate pad terminal and data pad terminal are formed of a transparent conductive material on a passivation layer.

Abstract: A liquid crystal display device includes a substrate, a black matrix layer on the substrate and having a first plurality of openings, a color filter layer on the black matrix layer and having a second plurality of openings, and a plurality of column spacers each contacting the substrate through the first plurality and second plurality of openings.

Abstract: An array substrate for a liquid crystal display device includes a gate electrode, a gate line and a gate pad electrode disposed on a substrate, each of the gate electrode, the gate line and the gate pad electrode having a first metal barrier layer, a first copper alloy layer, and a first out-diffusion film, and the first out-diffusion film completely covering, surrounding and contacting entire surfaces of the first copper alloy layer. The array substrate includes a gate insulation layer disposed on the substrate and covering the gate electrode, the gate line and the gate pad electrode. An active layer and an ohmic contact layer are sequentially formed on the gate insulation layer and over the gate electrode. A data line is formed on the gate insulation layer and perpendicularly crosses the gate line. A source electrode and a drain electrode contact the ohmic contact layer.

Abstract: An array substrate for use in an in-plane switching liquid crystal display device has a plurality of common electrodes and a plurality of pixel electrodes. One of the common electrodes is formed at the same time with the plurality of pixel electrodes using a transparent conductive material. This transparent common electrode is connected to other common electrode through a common electrode connector. Therefore, aperture ratio can be increased. Further in the present invention, a capacitor electrode is disposed over the common line and then forms a first storage capacitor with a portion of the common line, and a pixel electrode connector is disposed over the gate line and then forms a second storage capacitor with a portion of the gate line. As a result, the IPS-LCD device can obtain an improved and stable capacitance from the two storage capacitors.