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Two dimensional displays, transparent displays, and three dimensional displays

  • US 20120139903A1
  • Filed: 07/22/2011
  • Published: 06/07/2012
  • Est. Priority Date: 07/23/2010
  • Status: Active Grant
First Claim
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1. A display apparatus comprising:

  • a polarized light source configured for providing edge illumination,a display area comprising at least one pixel row assembly positioned in the plane the light source is configured to emit light in, where the pixel row includes a polarization modifying element with a first side and second side, positioned to receive light emitted from the light source across substantially all of one side, modify the polarization of the light in response to a signal from a controller, said light leaving the polarization modifying element via the second surface in the direction the light was emitted from the light source and contacting a polarization selective reflective surface positioned to receive that light and angled such that the polarization selective reflective surface reflects light of a chosen polarization at a desired angle and transmits light of an orthogonal polarization in the direction the light was emitted from the light source, anda computer controller for changing the amount the polarization modifying elements change the polarization of the incoming light based on the image to be displayed.

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