Liquid crystal display device and method of fabricating the same

A method of fabricating a liquid crystal display device, comprising:

• providing a substrate having a pixel region and a driving circuit region, the driving circuit region having a first area and a second area;
• forming active patterns in the pixel and driving circuit regions;
• forming a first insulating film on the substrate;
• forming a first gate electrode of a first conductive material on the active pattern;
• forming a second gate electrode of a second conductive material on the first gate electrode of the pixel region and the first area of the driving circuit region and forming source and drain regions of N type on the active patterns of the pixel region and the first area of the driving circuit region;
• forming a second gate electrode of a second conductive material on the first gate electrode of the second area of the driving circuit region and forming source and drain regions of P type on the active pattern of the second area of the driving circuit region;
• forming a second insulating film on the substrate;
• and
• forming N type source and drain electrodes electrically connected to the N type source and drain regions in the pixel region and the first area of the driving circuit region and forming P type source and drain electrodes electrically connected to the P type source and drain regions in the second area of the driving circuit region.

A liquid crystal display device, comprising:

• a substrate having a first region and a second region;
• a N type thin film transistor in the first region having a gate electrode, a N type active pattern, and source and drain electrodes, the gate electrode having a first gate electrode and a second gate electrode surrounding the first gate electrode;
• and
• a P type thin film transistor having the gate electrode, a P type active pattern and the source and drain electrodes, the gate electrode having the first gate electrode and the second gate electrode surrounding the first gate electrode.