Reflective display device

A reflective display device, comprising:

• a reflective display panel, having a display surface;
• a front light module, disposed on one side of the display surface of the reflective display panel, and comprising:
• a light guide plate, having a light incident surface, a first surface and a second surface, wherein the first surface and the second surface are connected to the light incident surface and are opposite to each other, and the first surface faces the display surface of the reflective display panel;
• and
• a light source, disposed on one side of the light incident surface of the light guide plate;
• a first polarizer, disposed between the light guide plate and the reflective display panel;
• at least one light control film, each comprising:
• a plurality of first periodic structures and a plurality of second periodic structures, alternately arranged along at least one direction parallel to the second surface of the light guide plate, wherein a refractive index of the plurality of first periodic structures is different from a refractive index of the plurality of second periodic structures;
• a transparent display panel, disposed on one side of the second surface of the light guide plate, wherein the at least one light control film is disposed between the reflective display panel and the transparent display panel;
• and
• a first adhesive layer, disposed between the light guide plate and the transparent display panel, wherein the at least one light control film is located between the transparent display panel and the light guide plate, and the first adhesive layer is directly connected to the light guide plate and the at least one light control film.