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SEE-THROUGH COMPUTER DISPLAY SYSTEMS

  • US 20150316772A1
  • Filed: 03/25/2015
  • Published: 11/05/2015
  • Est. Priority Date: 01/21/2014
  • Status: Active Grant
First Claim
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1. A compact head-worn display with multiply folded optics providing displayed images overlaid onto a see-through view of a surrounding environment comprising:

  • a. A solid prism of a first material with an angled planar surface to fold an optical axis and one or more surfaces that provide optical power;

    b. One or more additional lens elements with optical power made of a second material that is different from the material of the solid prism;

    c. An image source that provides image light associated with the displayed images;

    d. A combiner that folds the optical axis and directs the image light toward a user'"'"'s eye; and

    e. Wherein the multiply folded optics provide a more compact head-worn display and the first and second materials are selected to reduce a lateral color in the displayed images.

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