Luminous device with 3-D effect for motor vehicle

The light module (2) has a reflector (4) with a light reflecting surface (5), a screen (6) with a semi-reflecting area (8) facing the reflector, and a light emitting device (12) or light emitting diode with a light ray emitting face. The emitting face extends from the semi-reflecting area to the reflector. The light emitting device directly transmits some of light rays through the semi-reflecting area, while other rays are reflected by the semi-reflecting area towards the reflector and then returned back to the semi-reflecting area to create a repetitive visual effect of depth.