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Reflective projection screen and projection system

  • US 6,381,068 B1
  • Filed: 03/19/1999
  • Issued: 04/30/2002
  • Est. Priority Date: 03/19/1999
  • Status: Expired due to Fees
First Claim
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1. A reflective front projection screen having a front surface facing a viewer, the screen comprising:

  • a specular reflective polarizing element substantially reflecting light having a first polarization state and substantially transmitting light having a second polarization state; and

    a diffusing element scattering the light having the first polarization state that is reflected by the reflective polarizing element, the diffusing element located between the reflective polarizing element and the front surface of the screen;

    wherein the diffusing element comprises an isotropic diffuser and an anisotropic diffuser.

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