A liquid crystal display device including first and second active layers over a substrate, a storage line over the second active layer, a first insulating layer over the storage line, a gate electrode on the first insulating layer and corresponding to the first active layer, a second insulating layer over the gate electrode, source and drain electrodes connected to the first active layer through the first and second insulating layers, a gate line connected to the gate electrode through the second insulating layer, a data line substantially perpendicularly arrange with respect to the gate line to define a pixel region, a pixel electrode connected to the drain electrode through the second insulating layer, and a connection line connected to one of the gate line and the data line through the second insulating layer.