Patent ID: 8331022
Filing Date: 2012-12-11
Classification: G03B

Abstract:
1. A reflective screen which reflects projection light, comprising: a substrate on which a plurality of curved surface portions are formed; and a reflective film formed on the plurality of curved surface portions of the substrate, wherein the plurality of curved surface portions are in concave or convex shapes with several different curvatures including a largest curvature portion having a largest curvature and a smallest curvature portion having a smallest curvature, a first pattern of the plurality of curved surface portions is aligned in a first direction, the largest curvature portion to the smallest curvature portion are aligned in a first curvature size order in the first pattern and are repeatedly provided in the first direction, a second pattern of the plurality of curved surface portions is aligned in the first direction, the smallest curvature portion to the largest curvature portion are aligned in a second curvature size order in the second pattern and are repeatedly provided in the first direction, and the first pattern and the second pattern are alternatively provided.