Microlens array projection device

The utility model discloses a micro-lens array projection device, which comprises a light source, a screen and a micro-lens array module arranged between the light source and the screen, the micro-lens array module comprises a field lens array, a projection source, a projection lens array and a transparent substrate used for bearing the field lens array, the projection source and the projection lens array, the field lens array, the projection source and the projection lens array are sequentially arranged in the light propagation direction, the transparent substrate comprises a first substrate, the light-in face of the first substrate is a matte face or a frosted face, the projection source is arranged on the light-in face of the first substrate, and the projection source is arranged on the light-in face of the first substrate. The field lens array is arranged on the surface of the projection source, and the projection lens array is arranged on the light-emitting surface of the first substrate. According to th