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Optical device, and virtual image display

  • US 9,335,550 B2
  • Filed: 08/14/2015
  • Issued: 05/10/2016
  • Est. Priority Date: 03/29/2004
  • Status: Active Grant
First Claim
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1. An image display device comprising:

  • an image display element;

    an optical system;

    an optical waveguide having a light incident port along a first portion of the optical waveguide and a light outgoing port along a second portion of the optical waveguide, the optical waveguide configured to (a) receive light from the image display element via the optical system and (b) provide the light as output through the light outgoing port;

    a light shield;

    a first element that deflects light received through the first portion of the optical waveguide; and

    a second element that deflects light conveyed in the optical waveguide to output light through the second portion of the optical waveguide,wherein,the first portion and the second portion are at different positions along the optical waveguide, andthe first element is between the light incident port of the optical waveguide and the light shield.

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