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MULTI-DEPTH AUGMENTED REALITY DISPLAY

  • US 20190317324A1
  • Filed: 11/30/2017
  • Published: 10/17/2019
  • Est. Priority Date: 11/30/2016
  • Status: Active Grant
First Claim
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1. An imaging system for generating multi-depth virtual images on a display screen, the imaging system comprising:

  • an image realisation device for forming a source image; and

    projection optics for rendering a display image on the display screen, wherein the display image is a virtual image corresponding to the source image, andwherein the image realisation device comprises;

    an image realisation surface having a first and second region, wherein the image realisation surface and the projection optics are arranged such that a first point in the first region of the image realisation surface and a second point in the second region of the image realisation surface are at a different distance from a focal point of the projection optics; and

    a plurality of surfaces arranged to direct light from the image realisation surface towards the projection optics,wherein the surfaces and image realisation surface are arranged such that a first source image formed on the first region of the image realisation surface and projected through the projection optics will render the first display image on the display screen at a first apparent depth and a second source image formed on the second region of the image realisation surface and projected through the projection optics will render the second display image on the display screen at a second apparent depth; and

    wherein two or more of the plurality of surfaces are beam splitters having reflection/transmission ratios, wherein each beam splitter has a different reflection/transmission ratio, and wherein the reflection/transmission ratios are such that the brightness of the first and second display image is approximately equal.

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