US 11,885,982 B1
Multilayer optical barrier
Sheng Ye, Redmond, WA (US); Andrew John Ouderkirk, Kirkland, WA (US); Christopher Stipe, Woodinville, WA (US); Christopher Yuan Ting Liao, Seattle, WA (US); and Hayden Erik Hernandez, Oxord (GB)
Assigned to Meta Platforms Technologies, LLC, Menlo Park, CA (US)
Filed by Meta Platforms Technologies, LLC, Menlo Park, CA (US)
Filed on Jan. 31, 2023, as Appl. No. 18/162,062.
Application 18/162,062 is a continuation of application No. 17/404,155, filed on Aug. 17, 2021, granted, now 11,598,906.
Application 17/404,155 is a continuation of application No. 16/730,658, filed on Dec. 30, 2019, granted, now 11,175,435, issued on Nov. 16, 2021.
Claims priority of provisional application 62/898,010, filed on Sep. 10, 2019.
This patent is subject to a terminal disclaimer.
Int. Cl. C09D 175/14 (2006.01); B29C 55/14 (2006.01); C09D 167/02 (2006.01); G02B 3/02 (2006.01); B29C 55/02 (2006.01); B32B 27/08 (2006.01); G02B 1/10 (2015.01); B32B 27/40 (2006.01); G02B 1/04 (2006.01); B29C 55/00 (2006.01); G02B 1/06 (2006.01); G02B 1/11 (2015.01); B32B 27/30 (2006.01)
CPC G02B 3/02 (2013.01) [B29C 55/00 (2013.01); B29C 55/02 (2013.01); B32B 27/08 (2013.01); B32B 27/306 (2013.01); B32B 27/40 (2013.01); G02B 1/04 (2013.01); G02B 1/041 (2013.01); G02B 1/06 (2013.01); G02B 1/10 (2013.01); G02B 1/11 (2013.01); B32B 2255/10 (2013.01); B32B 2551/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A liquid lens comprising:
a transparent substrate;
a multilayer membrane overlying the transparent substrate, the multilayer membrane comprising two or more thermoplastic polyurethane layers; and
a liquid layer disposed between the transparent substrate and the multilayer membrane.