Patent ID: 8148724

Claim:
A liquid crystal display device, comprising: a gate line and a data line on a substrate crossing each other to define a pixel region; a thin film transistor in the pixel region and connected to the gate line and the data line; a pixel electrode in the pixel region and connected to the thin film transistor; and a gate pad at an end of the gate line and a data pad at an end of the data line, at least one of the gate pad and the data pad including: a pad electrode including at least one pad contact hole therein along with a passivation layer in a length direction of the data pad, the passivation layer on the pad electrode, the at least one pad contact hole having an asymmetric shape with respect to a vertical axis on the pad electrode; and a pad electrode terminal contacting inner side surfaces of the pad electrode surrounding the plurality of pad contact holes, wherein the asymmetric shape of the at least one pad contact hole is determined based on a contact area obtained using a circumference of the at least one pad contact hole and a thickness of the pad electrode in order to reduce a contact resistance.