US 12,078,803 B1
Expanding field-of-view in direct projection augmented reality and virtual reality systems
Nicholas Daniel Trail, Bothell, WA (US)
Assigned to META PLATFORMS TECHNOLOGIES, LLC, Menlo Park, CA (US)
Filed by META PLATFORMS TECHNOLOGIES, LLC, Menlo Park, CA (US)
Filed on Dec. 15, 2020, as Appl. No. 17/122,400.
Application 17/122,400 is a continuation of application No. 15/670,730, filed on Aug. 7, 2017, granted, now 10,895,746.
This patent is subject to a terminal disclaimer.
Int. Cl. G02B 27/01 (2006.01); G02B 27/00 (2006.01); G06F 3/01 (2006.01); G06T 19/00 (2011.01)
CPC G02B 27/0172 (2013.01) [G02B 27/0012 (2013.01); G02B 27/0025 (2013.01); G06F 3/013 (2013.01); G06T 19/006 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A projection assembly comprising:
a waveguide outside of a field of view (FOV) of an eye, the waveguide configured to expand in-coupled image light in at least one dimension and outcouple the expanded image light; and
an integrated optical element comprising a plurality of surfaces designed for a projected FOV that is larger than the FOV of the eye, the integrated optical element at least partially inside the FOV of the eye, and the integrated optical element is configured to:
direct ambient light from a local area to propagate substantially parallel to an axis into an eye-box that covers the projected FOV, and
while directing the ambient light from the local area, reflect the expanded image light from each of the plurality of surfaces to generate a version of the expanded image light covering the projected FOV and propagating substantially parallel to the axis into the eye-box.