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Proceedings Paper

Temperature independent low voltage polymer stabilized blue phase liquid crystals
Author(s): E. Kemiklioglu; J. Y. Hwang; L.-C. Chien
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Paper Abstract

Blue phases are types of liquid crystal phase which can appear in a narrow temperature range between a chiral nematic phase and isotropic liquid phase. Blue Phase (BP) liquid crystals have been known to exist in a small temperature range. Recently, broadening the temperature range of a BP liquid crystal has occurred by using a mixture of nematic bimesogenic liquid crystals or by polymerizing a small amount of monomer in a BP to stabilize the cubic lattice against temperature variation. In this study, we report a low switching voltage polymer stabilized blue phase (PSBP) liquid crystal device. We showed the stabilization of blue phases over a temperature range of 30.4 °C including room temperature. We observed the temperature independent of Bragg wavelength. Furthermore, the polymer effect on the electo-optic properties of a self assembled nanostructured blue phase liquid crystal composites have been investigated. As well as the ratio between two monomers, the overall monomers concentration is controlled.

Paper Details

Date Published: 6 February 2012
PDF: 5 pages
Proc. SPIE 8280, Advances in Display Technologies II, 82800H (6 February 2012); doi: 10.1117/12.909043
Show Author Affiliations
E. Kemiklioglu, Kent State Univ. (United States)
J. Y. Hwang, Kent State Univ. (United States)
L.-C. Chien, Kent State Univ. (United States)

Published in SPIE Proceedings Vol. 8280:
Advances in Display Technologies II
Liang-Chy Chien; Sin-Doo Lee; Ming Hsien Wu, Editor(s)

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