Thin film transistor array substrate for a liquid crystal display and method for fabricating the same

A thin film transistor array substrate for a liquid crystal display, comprising:

• an insulating substrate;
• a gate line assembly formed on the substrate and comprising gate lines, and gate electrodes connected to the gate lines;
• a linear common electrode formed on the substrate and separated from said gate line assembly;
• a gate insulating layer covering said gate line assembly and said common electrode;
• a semiconductor pattern formed on the gate insulating layer over the gate electrodes;
• a light interception pattern formed on the gate insulating layer and of same material as the semiconductor pattern;
• a data line assembly comprising a source electrode and a drain electrode formed on the semiconductor pattern, and data lines connected to the source electrode and crossing over the gate lines to define a pixel region;
• and
• a linear pixel electrode formed at the pixel region and alternatively located side by side with the common electrode, wherein the pixel electrode is coupled to the drain electrode.

A method for fabricating a thin film transistor array substrate for a liquid crystal display, comprising the steps of:

• forming a gate line assembly and a common line assembly on an insulating substrate, the gate line assembly comprising gate lines and gate electrodes, and the common line assembly comprising common electrodes;
• forming a gate insulating layer on the substrate covering the gate line assembly and the common line assembly;
• forming a semiconductor pattern on the gate insulating layer;
• forming a on the gate insulating layer light interception pattern of same material as the semiconductor pattern;
• forming on the gate insulating layer a data line assembly comprising a source electrode and drain electrode, and data lines;
• and
• forming a pixel electrode.