Rear projection screens
First Claim
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1. A rear projection screen comprising a light diffusion plate formed of a material selected from the group consisting of wax, a crystalline polymer and mixtures thereof, and light shielding layers contained in said light-diffusion plate, said light shielding layers being parallel to the direction of image projection.
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Abstract
A rear projection screen having means for controlling light direction comprising a light diffusion plate composed of wax, a crystalline polymer or a mixture thereof, and light shielding layers contained in the light diffusion plate which are parallel to the direction of image projection.
35 Citations
12 Claims
- 1. A rear projection screen comprising a light diffusion plate formed of a material selected from the group consisting of wax, a crystalline polymer and mixtures thereof, and light shielding layers contained in said light-diffusion plate, said light shielding layers being parallel to the direction of image projection.
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12. A rear projection screen comprising a light diffusion plate formed of a material selected from the group consisting of wax, a crystalline polymer and mixtures thereof, and light shielding layers contained in said light-diffusion plate, said light shielding layers being parallel to the direction of image projection, the thickness of the light diffusion plate ranging between 0.1 to 4 mm.
Specification