Patent ID: 7646536

Claim:
A reflective screen configured to display an image projected from a projection device located within a short distance, the reflective screen comprising: a first reflective surface configured to reflect, in a substantially same direction, projection light beams projected from a first position; and a second reflective surface configured to reflect, in said substantially same direction, projection light beams projected from a second position different from the first position wherein the first reflective surface includes plural first reflective element surfaces that have increasing inclination angles corresponding to respective distances from a predetermined position, and the second reflective surface includes plural second reflective element surfaces that have increasing inclination angles corresponding to respective distances from the predetermined position, wherein the first reflective element surfaces and the second reflective element surfaces are arranged in a mixed form, and wherein arrays of a predetermined number of the first reflective element surfaces and arrays of the predetermined number of the second reflective element surfaces are alternately arranged in a radial direction of concentric circles having a center on the predetermined position.