A transflective active matrix liquid crystal display device of the horizontal electric field type, comprising a transparent substrate; a liquid crystal layer; a plurality of pixels arranged on the substrate; wherein each of the plurality of pixels comprises: a reflective pixel region and a transmissive pixel region; a reflective first common electrode arranged in the reflective pixel region on the substrate; a transparent second common electrode arranged in the transmissive pixel region on the substrate; first insulating layer arranged on the first and second common electrodes (9305, 9104); a comb-shaped pixel electrode arranged on the insulating layer, the pixel electrode comprising a first portion in the reflective pixel region and a second portion in the transmissive pixel region; wherein in the reflective pixel region the pixel electrode and the reflective first common electrode are overlapped; and in the transmissive pixel region the pixel electrode and the transparent second common electrode are overlapped; characterised in that: a third comb-shaped common electrode arranged on the insulating layer and comprising a first portion in the reflective pixel region and a second portion in the transmissive pixel region, wherein fingers of the third comb-shaped common electrode are arranged alternately with fingers of the comb-shaped pixel electrode; the liquid crystal layer is arranged on the pixel electrode and the third common electrode in each of the plurality of pixels; a second insulating layer is arranged on the first insulating layer in the reflective pixel region, such that in the reflective pixel region, the first and second insulating layers (9304,9204) are arranged between the pixel electrode and the reflective first common electrode; and, in the transmissive pixel region, only the first insulating layer is arranged between the pixel electrode and the transparent second common electrode; the first, second and third common electrodes (9105, 9305, 9104) are electrically connected to each other; and the orientation of the directors of the liquid crystal molecules in the liquid crystal layer is determined in each of the plurality of pixels by a first electric field applied between the pixel electrode and the first and second common electrodes (9305, 9104) and by a second electric field applied between the pixel electrode and the third common electrode. a reflective pixel region and a transmissive pixel region; a reflective first common electrode arranged in the reflective pixel region on the substrate; a transparent second common electrode arranged in the transmissive pixel region on the substrate; first insulating layer arranged on the first and second common electrodes (9305, 9104); a comb-shaped pixel electrode arranged on the insulating layer, the pixel electrode comprising a first portion in the reflective pixel region and a second portion in the transmissive pixel region; wherein in the reflective pixel region the pixel electrode and the reflective first common electrode are overlapped; and in the transmissive pixel region the pixel electrode and the transparent second common electrode are overlapped; a third comb-shaped common electrode arranged on the insulating layer and comprising a first portion in the reflective pixel region and a second portion in the transmissive pixel region, wherein fingers of the third comb-shaped common electrode are arranged alternately with fingers of the comb-shaped pixel electrode; the liquid crystal layer is arranged on the pixel electrode and the third common electrode in each of the plurality of pixels; a second insulating layer is arranged on the first insulating layer in the reflective pixel region, such that in the reflective pixel region, the first and second insulating layers (9304,9204) are arranged between the pixel electrode and the reflective first common electrode; and, in the transmissive pixel region, only the first insulating layer is arranged between the pixel electrode and the transparent second common electrode; the first, second and third common electrodes (9105, 9305, 9104) are electrically connected to each other; and the orientation of the directors of the liquid crystal molecules in the liquid crystal layer is determined in each of the plurality of pixels by a first electric field applied between the pixel electrode and the first and second common electrodes (9305, 9104) and by a second electric field applied between the pixel electrode and the third common electrode.