Abstract: A device for shaping a primary light beam, the shaping device including a plurality of shaping structures. Each shaping structure has at least one first optical surface configured to direct incident light beams in a desired direction, and a second optical surface configured to totally internally reflect incident light beams towards the first optical surface. An LED might provide the primary light beam, and includes collimating optics.

Abstract: An optical system configured such that the relation between the incident angle and the emergence distance of the emergent optical beam relative to the main optical axis is proportionally decreasing so as to mix the colours in a homogeneous manner, and an emergent surface textured so as to make uniform the homogenisation of the additive synthesis. The image of the light source is uniformly homogeneous and decorrelated from the shape of same.

Abstract: A collimator having an overall bowl shape. The collimator is rotationally symmetrical about an optical axis of the collimator, and has an output wall, an input recess opposite the output wall, the input recess being defined by an internal side wall and an internal upper wall which interrupts the internal side wall in such a way as to define an intersection region, the internal side wall and the internal upper wall being designed to allow an incident light ray to enter the collimator peripherally and centrally, respectively, and a peripheral reflective wall joining the output wall to the internal side wall, the surface of the internal side wall being designed in such a way that a straight line, which is tangential to the internal side wall and joins the intersection region, passes through the focal point of the collimator.

Abstract: A collimator having an overall bowl shape. The collimator is rotationally symmetrical about an optical axis of the collimator, and has an output wall, an input recess opposite the output wall, the input recess being defined by an internal side wall and an internal upper wall which interrupts the internal side wall in such a way as to define an intersection region, the internal side wall and the internal upper wall being designed to allow an incident light ray to enter the collimator peripherally and centrally, respectively, and a peripheral reflective wall joining the output wall to the internal side wall, the surface of the internal side wall being designed in such a way that a straight line, which is tangential to the internal side wall and joins the intersection region, passes through the focal point of the collimator.