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Head-mounted display with a polarization-dependent mirror

  • US 6,710,928 B2
  • Filed: 03/29/2001
  • Issued: 03/23/2004
  • Est. Priority Date: 03/31/2000
  • Status: Expired due to Fees
First Claim
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1. A head-mounted display provided withan image display device and an optical system comprising a semi-transmissive mirror, a lens element, a λ

  • /4 plate and a polarizing optical element for combining light beams so as to project an image to be formed by the image display device on a user'"'"'s retina, characterized in that the optical system comprises a second λ

    /4 plate and the polarizing optical element comprises a polarization-dependent mirror, in which, viewed from the image display device, the first λ

    /4 plate, the lens element, the semi-transmissive mirror, the second λ

    /4 plate and the polarization-dependent mirror are arranged one behind the other.

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