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Twisted liquid crystal pi cell stabilized by polymer-sustained alignment
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10.1063/1.3040325
/content/aip/journal/apl/93/22/10.1063/1.3040325
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/22/10.1063/1.3040325
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Dependence of phase retardation on applied voltage for a sample cell before UV exposure and (inset picture) calculated Gibbs free energy for splay, -twist, and bend states of LC alignment in the same sample.

Image of FIG. 2.
FIG. 2.

(a) Dependence of phase retardation on UV exposure time and (b) microscopy images of samples A–C, as indicated in (a), between crossed polarizers. R: rubbing direction; dashed line (---⋅): transmission axes of polarizers; dashed-dotted line (-⋅-⋅-): boundary between electrode and nonelectrode areas.

Image of FIG. 3.
FIG. 3.

(a) Comparing the measured curve of our -twisted cell with those calculated for the -twist states of a pi cell pretilted at and . (b) Tilt and azimuth angles of LC directors deviated from the rubbing direction in various positions within the cell pretilted at .

Image of FIG. 4.
FIG. 4.

curves of a -twisted cell, a no-bias cell, a chiral-doped cell, and a conventional pi cell (inset picture).

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/content/aip/journal/apl/93/22/10.1063/1.3040325
2008-12-01
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Twisted liquid crystal pi cell stabilized by polymer-sustained alignment
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/22/10.1063/1.3040325
10.1063/1.3040325
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