US 11,960,090 B2
Curved see-through pancake lens assembly and display device including the same
Ying Geng, Bellevue, WA (US); Brian Wheelwright, Sammamish, WA (US); Jacques Gollier, Sammamish, WA (US); Babak Amirsolaimani, Redmond, WA (US); Weichuan Gao, Redmond, WA (US); and Yusufu Njoni Bamaxam Sulai, Snohomish, WA (US)
Assigned to META PLATFORMS TECHNOLOGIES, LLC, Menlo Park, CA (US)
Filed by META PLATFORMS TECHNOLOGIES, LLC, Menlo Park, CA (US)
Filed on Aug. 23, 2022, as Appl. No. 17/894,054.
Application 17/894,054 is a continuation of application No. 16/810,431, filed on Mar. 5, 2020, granted, now 11,422,375.
Claims priority of provisional application 62/901,706, filed on Sep. 17, 2019.
Prior Publication US 2023/0099173 A1, Mar. 30, 2023
Int. Cl. G02B 27/01 (2006.01); G02B 3/08 (2006.01); G02B 5/02 (2006.01); G02B 5/18 (2006.01); G02B 5/30 (2006.01); G02B 27/10 (2006.01); G02B 27/28 (2006.01); G02F 1/1334 (2006.01); G02F 1/137 (2006.01); H04N 9/31 (2006.01)
CPC G02B 27/0172 (2013.01) [G02B 3/08 (2013.01); G02B 5/0289 (2013.01); G02B 5/1819 (2013.01); G02B 5/3025 (2013.01); G02B 27/0176 (2013.01); G02B 27/10 (2013.01); G02B 27/106 (2013.01); G02B 27/283 (2013.01); G02F 1/1334 (2013.01); G02F 1/137 (2013.01); H04N 9/3152 (2013.01); G02B 2027/0178 (2013.01); G02B 2027/0187 (2013.01); G02F 1/13345 (2021.01)] 20 Claims
OG exemplary drawing
 
1. An optical assembly comprising:
a substrate having a first surface and a second surface opposite the first surface, the first surface having a first curved profile and the second surface having a second curved profile;
a beam splitter on the first surface and conforming with the first curved profile of the first surface; and
a reflector on the second surface and conforming with the second curved profile of the second surface, wherein the optical assembly is configured to:
receive first light at the first surface, and reflect the first light at the reflector and subsequently at the beam splitter before outputting the first light from the reflector, whereby the first light is transmitted through the optical assembly at a first optical power; and
transmit second light through the optical assembly without reflection at the reflector, wherein the second light is transmitted through the optical assembly at a second optical power that is less than the first optical power.