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See-through computer display systems

  • US 10,890,760 B2
  • Filed: 11/18/2019
  • Issued: 01/12/2021
  • Est. Priority Date: 01/21/2014
  • Status: Active Grant
First Claim
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1. A see-through head-mounted display comprising:

  • a light source,an image source,an angled partially-reflective surface, wherein;

    the light source faces a first side of the angled partially-reflective surface,the image source faces the first side of the angled partially-reflective surface,the light source is configured to project light via the angled partially-reflective surface toward the image source,the image source is configured to reflect the projected light as image light toward the angled partially-reflective surface, andthe angled partially-reflective surface is configured to transmit the image light along a first axis;

    a combiner having a first side and a second side opposite the first side, wherein the combiner is configured to;

    reflect the image light via the first side of the combiner, andtransmit environment light, via the first side of the combiner and via the second side of the combiner, to an eye of a user of the see-through head-mounted display, to present to the user a view comprising the image light and further comprising the environment light; and

    a light-blocking element aligned substantially parallel to the combiner and disposed opposite the combiner with respect to the user, the light-blocking element configured to block incident light from an environment of the user.

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