Importance

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Abstract

A polarizing screen for visually presenting a picture in response to receipt of projected imagewise rays of light having a polarizing fabric overlaying a first surface of the screen base facing a viewer and operable to pass therethrough the projected imagewise rays of light having the first polarizing direction, but absorb rays of light having a second polarizing direction. The polarizing fabric includes a plurality of juxtaposed polarizing fibers and a plurality of juxtaposed non-polarizing fibers interlaced with the juxtaposed polarizing fibers so as to extend perpendicular to said juxtaposed polarizing fibers. Instead of the polarizing fabric, a non-woven sheet having the polarizing fibers juxtaposed thereon may be used. With this polarizing screen including the polarizing fabric or the polarizing fibers capable of polarizing rays of light having a polarizing direction conforming to the polarizing direction of the projected rays of light, the picture projected on the polarizing screen can be kept at a high contrast. The polarizing fabric 2 or the polarizing fibers can easily be prepared not only in a large flat shape, but also in a curved shape.

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First Claim