Liquid crystal display panel device with a transparent conductive film formed pixel electrode and gate pad and data pad on substrate and method of fabricating the same

A method of fabricating a liquid crystal display panel device, the method comprising:

• providing a lower array substrate comprising:
• a gate line provided on a substrate, wherein the gate line is formed of a double-layer structure including a transparent conductive film and a gate metal film sequentially;
• a data line provided on a substrate intersecting the gate line to define a pixel area;
• a thin film transistor provided at the intersection between the gate line and the data line, the thin film transistor having a semiconductor pattern;
• a protective film for protecting the thin film transistor;
• a pixel electrode directly formed on the pixel area of the substrate, the pixel electrode being directly connected to a drain electrode of the thin film transistor, and being formed of the transparent conductive film;
• a gate pad connected to the gate line and formed from the transparent conductive film;
• and
• a data pad connected to the data line and formed from the transparent conductive film;
• providing a color filter array substrate opposed to the thin film transistor array substrate;
• joining the thin film transistor array substrate with the color filter array substrate to expose a pad area including the gate pad and the data pad;
• and
• exposing the transparent conductive film at the pad area using the color filter array substrate as a mask,
• wherein the pixel electrode, the gate pad and the data pad include the same transparent conductive film,
• wherein the semiconductor pattern forms a channel between a source electrode and the drain electrode and include an active layer partially overlapping with a gate electrode of the thin film transistor,
• wherein the semiconductor pattern includes an ohmic contact layer for making ohmic contact with the data line, the source electrode, and the drain electrode,
• wherein each of the gate pad and the data pad is formed of a single layer that is identical with the transparent conductive film of the pixel electrode, and
• wherein the gate pad and the data pad are directly contacted with the substrate.