US 11,681,194 B2
Magnetic field driven liquid crystal patterning control system
Erik Shipton, Kenmore, WA (US); and Oleg Yaroshchuk, Redmond, WA (US)
Assigned to META PLATFORMS TECHNOLOGIES, LLC, Menlo Park, CA (US)
Filed by META PLATFORMS TECHNOLOGIES, LLC, Menlo Park, CA (US)
Filed on Feb. 14, 2022, as Appl. No. 17/671,449.
Application 17/671,449 is a continuation of application No. 16/561,258, filed on Sep. 5, 2019, granted, now 11,249,365.
Prior Publication US 2022/0171232 A1, Jun. 2, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. G02F 1/137 (2006.01); G02B 27/01 (2006.01); G02F 1/1337 (2006.01)
CPC G02F 1/13768 (2013.01) [G02B 27/0172 (2013.01); G02F 1/1337 (2013.01); G02B 2027/0178 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A liquid crystal patterning control system, comprising:
a plurality of pixels, each of the pixels comprising:
a liquid crystal, and
a magnet,
wherein, responsive to a switching of the magnet, molecules of the liquid crystal reorient to substantially align with a magnetic field generated by the magnet, and
wherein the magnet is switchable between a plurality of preferred magnetization directions or a plurality of magnetic domains, wherein each of the plurality of preferred magnetization directions or the plurality magnetic domains corresponds to a different state of the pixel.