US 11,754,836 B2
Optical system for AR headsets, and method for design and manufacturing
Ziqi Peng, Burlingame, CA (US); and Don Dilworth, East Boothbay, ME (US)
Assigned to AURORATECH COMPANY, Burlingame, CA (US)
Filed by AURORATECH COMPANY, Burlingame, CA (US)
Filed on Dec. 3, 2021, as Appl. No. 17/541,666.
Application 17/541,666 is a continuation of application No. 16/708,424, filed on Dec. 9, 2019, granted, now 11,221,483.
Claims priority of provisional application 62/777,689, filed on Dec. 10, 2018.
Prior Publication US 2022/0091416 A1, Mar. 24, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. G02B 27/01 (2006.01)
CPC G02B 27/0101 (2013.01) [G02B 2027/0123 (2013.01); G02B 2027/0178 (2013.01)] 20 Claims
OG exemplary drawing
1. A projection augmented reality headset (ARHS) comprising;
an imager configured to provide image light;
a partially reflecting combiner, configured to receive the image light from the imager and upon receiving the image light is configured to re-direct the image light towards an eyebox, wherein an eye relief offset exists between the partially reflecting combiner and the eyebox;
wherein the imager includes imaging optics comprising a combination of lens elements having symmetrical free-form lens surfaces that are tilted and decentered, whereby an expanded field-of-view can be attained while providing the eye relief offset.