Thin film transistor array substrate and method for manufacturing the same, and liquid crystal display device

A liquid crystal display device, comprising:

• a thin film transistor array substrate;
• a color filter substrate disposed on the array substrate;
• and
• a liquid crystal layer between the thin film transistor array substrate and the color filter substrate,
• wherein the thin film transistor array substrate comprises:
• a transparent substrate;
• a data line formed on the transparent substrate;
• a first transparent electrode located in a same layer as the data line;
• an insulating layer covering the data line and the first transparent electrode;
• and
• a second transparent electrode located on the insulating layer, wherein the second transparent electrode comprises a first transparent sub-electrode and a second transparent sub-electrode, wherein the first transparent sub-electrode is located above the first transparent electrode, and the width of the first transparent sub-electrode is less than the width of the first transparent electrode, the second transparent sub-electrode is located above the data line, and the width of the second transparent sub-electrode is greater than the width of the data line.

A method of manufacturing a thin film transistor array substrate, comprising:

• providing a transparent substrate;
• forming a first transparent electrode and a data line on the transparent substrate;
• forming an insulating layer covering the first transparent electrode and the data line;
• and
• forming a second transparent electrode on the insulating layer, wherein the second transparent electrode comprises a first transparent sub-electrode and a second transparent sub-electrode, wherein the first transparent sub-electrode is located above the first transparent electrode, and the width of the first transparent sub-electrode is less than the width of the first transparent electrode, the second transparent sub-electrode is located above the data line, and the width of the second transparent sub-electrode is greater than the width of the data line.