Patent ID: 11873959
Assignee: VALEO VISION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC F  G | IPC F

Claim 0:
1. An optical device for projecting light beams, able to interact with a pixelated light source with a plurality of selectively activatable emissive elements, the device comprising a lens with a first face, the first face includes an array of recessed patterns, wherein each pattern is such that:
each pattern exhibits rotational symmetry about a local normal direction to the first face so as to define, in any plane containing the local normal direction, a symmetrical profile with two areas including a first area and a second area, about the local normal;
each of the two areas comprises two portions, a basal portion of the first area having a bottom joining point with a basal portion of the second area, the basal portion of the first area comprising a first intermediate joining point with a top portion of the first area, and the basal portion of the second area comprising a second intermediate joining point with a top portion of the second area;
for each of the two areas, the basal portion and the top portion are symmetrical about their respective intermediate joining point.