TFT-LCD display device

The utility model relates to the technical field of display devices, in particular to a TFT-LCD (Thin Film Transistor Liquid Crystal Display) display device. The array substrate comprises a plurality of pixel units and a plurality of heating units, and each pixel unit comprises a source electrode, a silicon island, a drain electrode and a grid electrode; the source electrode and the drain electrode are packaged in the same layer, and the grid electrode is separated from the source electrode and the drain electrode through the insulating layer and the active layer; the heating unit and the grid electrode are packaged in the same layer; the plurality of pixel units are combined into the display device; the plurality of heating units are combined to form a net-shaped heating layer; the heating layer is electrically connected with the flexible circuit board, and the heating layer heats the display device after being powered up. According to the utility model, each pixel unit is provided with the heating unit, and