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Head mounted display devices

  • US 7,450,310 B2
  • Filed: 05/20/2005
  • Issued: 11/11/2008
  • Est. Priority Date: 05/03/2005
  • Status: Active Grant
First Claim
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1. A display device to be worn on a head of a wearer comprising:

  • an image formation device;

    an off-axis reflective combiner; and

    imaging optics disposed in an optical path between the image formation device and the off-axis reflective combiner, wherein said imaging optics comprises no more than two lenses and no reflectors having optical powerwherein said no more than two lenses comprise two lenses, a first and a second, and said two lenses are the only lenses in said optical path between the image formation device and the off-axis reflective combiner, said first lens having a first surface and a second surface, said first and second surfaces not having optical axes that are collinear such that said first lens is non-rotationally symmetric.

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