Patent ID: 8288212

Claim:
A method of fabricating a pixel structure of a thin film transistor liquid crystal display, comprising the steps of: providing a substrate; forming a transparent conductive layer and a first metallic layer in sequence over the substrate; performing a first mask process to pattern the first metallic layer and the transparent conductive layer so as to define a gate pattern and a pixel electrode pattern; forming a gate insulating layer and a semiconductor layer in sequence over the substrate to cover the gate pattern and the pixel electrode pattern; performing a second mask process to remove a portion of the pixel electrode pattern but remaining the gate insulating layer and the semiconductor layer over the gate pattern; forming a second metallic layer over the substrate; performing a third mask process to pattern the second metallic layer so as to form a source pattern and a drain pattern over the remained semiconductor layer; forming a passivation layer over the substrate; and performing a fourth mask process to pattern the passivation layer so as to expose another portion of the pixel electrode pattern.