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Rear projection screen with reduced speckle

  • US 6,327,083 B1
  • Filed: 10/10/2000
  • Issued: 12/04/2001
  • Est. Priority Date: 04/06/1995
  • Status: Expired due to Term
First Claim
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1. A Rear projection screen comprising a front surface, a rear surface and first diffusion means for diffusing light into an audience space, characterized in that the screen comprises second diffusion means located behind the first diffusion means and a non-diffusion region between the first and the second diffusion means, wherein the second diffusion means comprises a bulk diffusion region, said bulk diffusion region and non-diffusion region being configured to reduce speckle without substantially reducing resolution.

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