To constitute the screen of a rear projection type projector device and the like so that it is inexpensive and light in weight and the peripheral part thereof is bright.

This screen is constituted by forming a diffusion type screen 1 by mixing light diffusion grains 2 in a transparent material such as acrylic resin, styrene resin or hard vinyl chloride and disposing a Fresnel lens 3 on the incident light side thereof. It is good that the screen 1 is formed by roughening the surface of a transparent plate. Besides, it is good that this screen is formed by mixing the grains 2 in the lens 3 itself or by roughening the opposite surface to the Fresnel surface of the lens 3.