Patent ID: 7173675

Claim:
A liquid crystal display (LCD) device, comprising: a substrate including a pixel region and a driving circuit region; first and second semiconductor layers disposed within the pixel region and the driving circuit region of the substrate; a gate insulating layer disposed along an entire surface of the substrate including the first and second semiconductor layers; first and second gate electrodes disposed on the gate insulating layer corresponding to the first and second semiconductor layers, and a storage capacitor electrode on the gate insulating layer within the pixel region; first conductive source and drain regions each having LDD structures within the first semiconductor layer corresponding to opposing sides of the first gate electrode; second conductive source and drain regions within the second semiconductor layer corresponding to opposing sides of the second gate electrode; a first insulating interlayer disposed along an entire surface of the substrate including the first and second gate electrodes and the storage capacitor electrode; a pixel electrode disposed directly on the first insulating interlayer within the pixel region, and being overlapped with the storage capacitor electrode; a second insulating interlayer disposed along an entire surface of the substrate including the pixel electrode; a plurality of contact holes exposing a portion the pixel electrode and portions of the first and second source and drain regions; and first and second source and drain electrodes connected with the first and second source and drain regions through the contact holes.