Liquid crystal display device and method for manufacturing the same

A liquid crystal display, comprising:

• a gate electrode on a substrate;
• a gate insulation film on the gate electrode;
• an active layer, a source electrode, and a drain electrode on the gate insulation film;
• a first passivation film on the active layer, the source electrode, and the drain electrode;
• an organic insulation film on the first passivation film, the organic insulation film having a first contact hole above the drain electrode;
• a common electrode on the organic insulation film, the common electrode having a second contact hole above the drain electrode;
• a second passivation film on the organic insulation film and the common electrode;
• and
• a pixel electrode on the second passivation film connected to the drain electrode,
• wherein the first contact hole and the second contact hole are formed using a single mask.

A method for manufacturing a liquid crystal display, the method comprising:

• forming a gate electrode on a substrate using a first mask;
• forming a gate insulation film on the gate electrode and the substrate;
• forming an active layer, a source electrode, and a drain electrode on the gate insulation film using a second mask;
• forming a first passivation film on the substrate, including on the active layer, the source electrode, and the drain electrode;
• forming an organic insulation film and a common electrode on the first passivation film using a third mask;
• forming a second passivation film on the substrate;
• and
• forming a pixel electrode on the second passivation film to connect the pixel electrode to the drain electrode.