US 12,282,222 B1
Organic solid crystals having helical structures formed using cholesteric liquid crystals
Sheng Ye, Redmond, WA (US); Ryan Li, Redmond, WA (US); Tingling Rao, Bellevue, WA (US); Lafe Joseph Purvis, II, Redmond, WA (US); Oleg Yaroshchuk, Redmond, WA (US); Tanya Malhotra, Frederick, MD (US); and Andrew John Ouderkirk, Kirkland, WA (US)
Assigned to Meta Platforms Technologies, LLC, Menlo Park, CA (US)
Filed by META PLATFORMS TECHNOLOGIES, LLC, Menlo Park, CA (US)
Filed on Oct. 24, 2023, as Appl. No. 18/493,738.
Application 18/493,738 is a division of application No. 17/384,340, filed on Jul. 23, 2021, granted, now 11,796,856.
Claims priority of provisional application 63/057,180, filed on Jul. 27, 2020.
This patent is subject to a terminal disclaimer.
Int. Cl. G02F 1/1333 (2006.01); C08J 5/18 (2006.01); C09K 19/12 (2006.01); C09K 19/18 (2006.01); C09K 19/20 (2006.01); C09K 19/22 (2006.01); C09K 19/24 (2006.01); C09K 19/30 (2006.01); C09K 19/34 (2006.01); C09K 19/36 (2006.01); G02F 1/1335 (2006.01); C09K 19/58 (2006.01)
CPC G02F 1/133543 (2021.01) [C08J 5/18 (2013.01); C09K 19/12 (2013.01); C09K 19/18 (2013.01); C09K 19/2007 (2013.01); C09K 19/22 (2013.01); C09K 19/24 (2013.01); C09K 19/3003 (2013.01); C09K 19/3068 (2013.01); C09K 19/348 (2013.01); C09K 19/36 (2013.01); C09K 2019/123 (2013.01); C09K 2019/188 (2013.01); C09K 2019/2035 (2013.01); C09K 2019/2042 (2013.01); C09K 2019/2078 (2013.01); C09K 2019/3004 (2013.01); C09K 2019/301 (2013.01); C09K 2019/3016 (2013.01); C09K 2019/3075 (2013.01); C09K 19/586 (2013.01)] 18 Claims
 
1. An optical film, comprising:
a plurality of helically arranged liquid crystals; and
organic solid crystal structures laterally surrounding the plurality of helically arranged liquid crystals.