Liquid crystal display device and fabricating method thereof
First Claim
1. A method of fabricating a liquid crystal display device, comprising:
- a first mask process of forming a gate line and a gate electrode connected to the gate line on a substrate;
a second mask process of forming a gate insulating film covering the gate line and the gate electrode and a semiconductor pattern and a source/drain metal pattern built thereon; and
a third mask process of forming a transparent conductive pattern on a gate insulating film provided with the source/drain metal pattern and forming a protective film making an interface with the transparent conductive pattern,whereby a data line crossing the gate line to define a pixel area, a source electrode connected to the data line and a drain electrode opposed to the source electrode are provided in a double-layer structure in which the source/drain metal pattern and the transparent conductive pattern are built; and
a pixel electrode extended from the transparent conductive pattern of the drain electrode is provided at said pixel area.
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Accused Products
Abstract
A thin film transistor substrate and a fabricating method thereof for simplifying a process are disclosed. In a liquid crystal display device according to the present invention, a gate line is provided on a substrate. A data line crosses the gate line with having a gate insulating film therebetween to define a pixel area. A thin film transistor includes a gate electrode connected to the gate line, a source electrode connected to the data line, a drain electrode opposed to the source electrode and a semiconductor layer for defining a channel between the source electrode and the drain electrode. A pixel electrode is connected to the drain electrode and is provided at said pixel area. Herein, said data line, said source electrode and said drain electrode have a double-layer structure in which a source/drain metal pattern and a transparent conductive pattern are built. Said pixel electrode is formed by an extension of the transparent conductive pattern of the drain electrode. A protective film makes a border with the transparent conductive pattern and provided at the remaining area thereof.
25 Citations
12 Claims
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1. A method of fabricating a liquid crystal display device, comprising:
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a first mask process of forming a gate line and a gate electrode connected to the gate line on a substrate; a second mask process of forming a gate insulating film covering the gate line and the gate electrode and a semiconductor pattern and a source/drain metal pattern built thereon; and a third mask process of forming a transparent conductive pattern on a gate insulating film provided with the source/drain metal pattern and forming a protective film making an interface with the transparent conductive pattern, whereby a data line crossing the gate line to define a pixel area, a source electrode connected to the data line and a drain electrode opposed to the source electrode are provided in a double-layer structure in which the source/drain metal pattern and the transparent conductive pattern are built; and
a pixel electrode extended from the transparent conductive pattern of the drain electrode is provided at said pixel area. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification