An insulator substrate (10) is provided with a TFT including a first gate electrode (11), a gate insulating film (12), a semiconductor film (13) disposed above the first gate electrode (11), and an interlayer insulating film (15). On the interlayer insulating film (15) in a position above a channel (13c), the TFT further includes a second gate electrode (17) connected to the first gate electrode (11). A reflective display electrode (20) composed of a reflective material and connected to a source (13s) of the TFT is arranged to extend over the TFT. In addition, the gap (37) between adjacent reflective display electrodes (20) is arranged in a position other than a position above a drain signal line (52). With this arrangement, even when a black image is displayed on a crystal display device of a normally white mode, display defects due to reflection of incident light by a signal line are prevented. Furthermore, a reflection type liquid crystal display device having a high aperture rate and minimal fluctuation in the TFT characteristics can be achieved.