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Polarized display with wide-angle illumination

  • US 6,853,413 B2
  • Filed: 04/11/2001
  • Issued: 02/08/2005
  • Est. Priority Date: 04/18/2000
  • Status: Expired due to Fees
First Claim
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1. A polarized display device having an expanded angle of illumination for optimizing a viewing angle in a desired plane comprising:

  • a direct view polarized display panel; and

    a transmissive polarization rotating element proximate to an exterior surface of the polarized display panel, wherein said transmissive polarization rotating element rotates light polarization between a first linear polarization orientation and a second linear polarization orientation.

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