Low birefringence encapsulated liquid crystal and optical...

Details Low birefringence encapsulated liquid crystal and optical... Low birefringence encapsulated liquid crystal and optical...

G - Physics

02

F

31/105, 345/56

G02F 1/13 (2006.01) C09K 19/02 (2006.01) G02F 1/1334 (2006.01) G02F 1/139 (2006.01)

Patent

CA 1213346

ABSTRACT Briefly, a liquid crystal material composition has a low, prefer- ably zero or near zero, birefringence characteristic. Such material is mixed with a quantity of pleochroic dye to form a solution therewith to increase absorption characteristics and is encapsulated; and such encapsulated material may be used as an optical light control device or optical shutter in which light intensity may be controlled without distorting or at least without substantially distorting the optical image transmitted therethrough.

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