Reflex-type screen

Abstract

A reflex-type screen for reflecting a light projected obliquely from a projector to a front of the reflex-type screen, including a base material made of material which absorbs light, a white resin layer which is formed on a projector side inclined plane on the base material and reflects light and a transparent diffusing layer which includes transparent binder resin and diffusing agent, and is formed to cover the white resin layer, and the base material includes the projector side inclined plane that is provided at an angle so that light from the projection enters the projector side inclined plane and a non-projector side inclined plane that is provided at an angle so that the light from the projection does not enter the non-projector side inclined plane, and the projector side inclined plane and the non-projector side inclined plane are located alternatively, so that the base material is formed to be saw-toothed shape. The white resin layer reflects the light from the projector to the front of the reflex-type screen, and the non-projector side inclined plane absorbs almost of incident light, and the transparent diffusing layer diffuses light which is reflected by the white resin layer.

Description

[0001] This application claims the benefit of Japanese Patent Application No. 2004-139017, filed May 7, 2004, and Japanese Patent Application No. 2004-170496, filed June 8, 2004, the entire contents of which are incorporated herein Reference. technical field [0002] The invention relates to a reflective screen. More particularly, the present invention relates to a reflective screen for reflecting obliquely projected light from a projector to the front of the reflective screen. Background technique [0003] Conventionally, as shown in FIG. 1 , there has been a need to display an image to a viewer located in front of the screen by obliquely projecting imaging light onto the reflective screen from a short distance from the reflective screen. When a commonly used white matte screen is used for the above purpose, most of the imaged light projected from the short-focus projector 21 is reflected outside the viewer's position, thereby failing to provide uniformity to the viewer in...

AI Technical Summary

Problems solved by technology

As long as this exposure method is used, it is difficult to increase the size of the screen due to the limitation of the manufacturing method

In addition, in order to obtain different viewing angle characteristics between vertical and horizontal directions, multiple exposures are required, which makes the manufacturing process more complex

[0008] Furthermore, there is a problem in Japanese Patent Laid-Open No. 11-44805 that it is difficult to provide reflective performance and scattering performance to its sawtooth-shaped inclined surface, which are required for reflective screens

Furthermore, in Japanese Patent Laid-Open No. 2003-156799, there is a problem that it is difficult to increase the degree of surface scattering of the bright reflective layer to a desired level

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