An array substrate for a transflective liquid crystal display device, including: a substrate; a data line and a gate line on the substrate, the data line and the gate line defining a pixel region; a thin film transistor connected to the data line and the gate line, the thin film transistor including source and drain electrodes, an ohmic contact layer on the source and drain electrodes, an active layer and a gate electrode over the active layer; a reflective plate at the pixel region, the reflective plate having a transmissive hole; and a pixel electrode over the reflective plate, the pixel electrode being connected to the drain electrode.