Curved pyramid-shaped microlens array and rear projection screen with same

The utility model relates to a rear-projection optical screen, in particular to a curved pyramid-shaped microlens array used for the rear projection screen and the rear projection screen with same. The curved pyramid-shaped microlens array is endowed with an array structure consisting of a plurality of curved pyramid-shaped microlens units, and each curved pyramid-shaped microlens unit is provided with a bottom surface, a top surface and four side surfaces connected with the bottom surface and the top surface; the bottom surface of the curved pyramid-shaped microlens unit is square, the top surface is spherical, and the side surfaces are cambered; the rear-projection screen comprises a Fresnel screen, the curved pyramid-shaped microlens array and a scattering layer provided with fine matte surfaces, wherein the curved pyramid-shaped microlens array is endowed with the array structure consisting of the plurality of curved pyramid-shaped microlens units, the bottom surfaces of the curved pyramid-shaped microlen