LIGHTING MOBILE REAR BLADE COMPRISING A STATIONARY LIGHT SOURCE

Aerodynamic device for a motor vehicle comprising a fixed spoiler (1) integral with the body and a movable blade (2) sliding in the interior space of the fixed spoiler (1) along a longitudinal axis between a retracted position and a deployed position in the rear extension of the fixed spoiler (1) characterized in that the movable blade (2) comprises at least one light-diffusing guide (22) comprising at least one light entrance track extending longitudinally and one or more light exit surfaces (26) arranged on a surface of the movable blade (2) visible from outside the vehicle, and in that one or more light sources are arranged on an internal wall of said interior space of the fixed spoiler (1) facing and in immediate proximity to each of the at least one light entrance tracks.