Collimated relief display device

Claim 1

A collimated relief display device comprising: a generator of a first monochrome light image to be displayed, formed of points distributed in an X and Y matrix arrangement of pixels, each point corresponding to adjacent pixels in one of said directions X or Y; an optical collimation system for projecting to infinity this first image positioned at its focal point; and means for forming at least a second light image of the same shade and interlaced with the first one with a shift equal to the value of a pixel along a shift direction equal to one of the directions X or Y of the matrix, said means including: on the generator a lattice of micro-lenses, each micro-lens being coupled to at least two adjacent pixels of the matrix in said shift direction and corresponding to the display of the same image point having the same coordinates for each image, said adjacent pixels being situated in the focal plane of the associated microlens; and a divergent optic placed between the micro-lens lattice and the collimation optic so as to form an assembly of the teleobjective type ensuring the spatial separation of the collimated images and observation of the first image with one eye and of a second image with the other eye in an observation zone, called eye box, with defined pupil as well as its distance with respect to the optical collimation system.