Ferroelectric smectic liquid crystal device

Details Ferroelectric smectic liquid crystal device Ferroelectric smectic liquid crystal device

G - Physics

02

F

345/59

G02F 1/137 (2006.01) G02F 1/133 (2006.01)

Patent

CA 1302550

ABSTRACT OF THE DISCLOSURE A ferroelectric smectic liquid crystal device having an improved impact resistance and an improved contrast is provided by using a pair of substrates provided with uniaxial alignment axes which are parallel and identical in direction with each other. A ferroelectric smectic liquid crystal is disposed between the pair of substrates so as to assume a higher-temperature alignment state and a lower- temperature alignment state on temperature decrease in its ferroelectric smectic phase placed in a bistable alignment state. The ferroelectric smectic liquid crystal is further placed in the lower-temperature alignment state which is characterized by having an inclination of forming a connected pair of a lightning defect and a hair pin defect coming after the lightning defect.

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