Abstract

Hysteresis effects of two blue-phase (BP) liquid crystals BP-I and BP-II, and polymer-stabilized BP-I and BP-II are investigated. BP-I exhibits a relatively slow response time and a large hysteresis. After polymer stabilization, its operating voltage is increased slightly, but its response time is dramatically reduced and hysteresis narrowed. In contrast, BP-II exhibits almost no hysteresis and submillisecond response time, but after polymer stabilization its hysteresis is amplified.

© 2010 IEEE

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  2. H. Kikuchi, Y. Haseba, S. Yamamoto, T. Iwata, H. Higuchi, "Optically isotropic nano-structured liquid crystal composites for display applications," SID Symp. Dig. (2009) pp. 578-581.
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  5. L. Rao, Z. Ge, S. T. Wu, "Low voltage blue-phase liquid crystal displays," Appl. Phys. Lett. 95, (2009) 231101.
  6. M. Jiao, Y. Li, S. T. Wu, "Low voltage and high transmittance blue- phase liquid crystal displays with corrugated electrodes," Appl. Phys. Lett. 96, (2010) 011102.
  7. K. M. Chen, S. Gauza, H. Xianyu, S. T. Wu, "Submillisecond gray-level response time of a polymer-stabilized blue-phase liquid crystal," J. Display Technol. 6, 49-51 (2010).
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  16. Y. H. Fan, H. Ren, S. T. Wu, "Normal-mode anisotropic liquid-crystal gels," Appl. Phys. Lett. 82, 2945-2947 (2003).
  17. S. T. Wu, D. K. Yang, Reflective Liquid Crystal Displays (Wiley, 2001).
  18. G. P. Crawford, D. Svens˘ek, S. Z˘umer, Chirality in Liquid Crystals (Springer, 2001) pp. 375-432.
  19. T. Iwata, K. Suzuki, N. Amaya, H. Higuchi, H. Masunaga, S. Sasaki, H. Kikuchi, "Control of cross-linking polymerization kinetics and polymer aggregated structure in polymer-stabilized liquid crystalline blue phases," Macromolecules 42, 2002-2008 (2009).

2010 (2)

M. Jiao, Y. Li, S. T. Wu, "Low voltage and high transmittance blue- phase liquid crystal displays with corrugated electrodes," Appl. Phys. Lett. 96, (2010) 011102.

K. M. Chen, S. Gauza, H. Xianyu, S. T. Wu, "Submillisecond gray-level response time of a polymer-stabilized blue-phase liquid crystal," J. Display Technol. 6, 49-51 (2010).

2009 (4)

T. Iwata, K. Suzuki, N. Amaya, H. Higuchi, H. Masunaga, S. Sasaki, H. Kikuchi, "Control of cross-linking polymerization kinetics and polymer aggregated structure in polymer-stabilized liquid crystalline blue phases," Macromolecules 42, 2002-2008 (2009).

Z. Ge, L. Rao, S. Gauza, S. T. Wu, "Modeling of blue phase liquid crystal displays," J. Display Technol. 5, 250-256 (2009).

Z. Ge, S. Gauza, M. Jiao, H. Xianyu, S. T. Wu, "Electro-optics of polymer-stabilized blue phase liquid crystal displays," Appl. Phys. Lett. 94, (2009) 101104.

L. Rao, Z. Ge, S. T. Wu, "Low voltage blue-phase liquid crystal displays," Appl. Phys. Lett. 95, (2009) 231101.

2003 (1)

Y. H. Fan, H. Ren, S. T. Wu, "Normal-mode anisotropic liquid-crystal gels," Appl. Phys. Lett. 82, 2945-2947 (2003).

2002 (1)

H. Kikuchi, M. Yokota, Y. Hisakado, H. Yang, T. Kajiyama, "Polymer-stabilized liquid crystal blue phases," Nat. Mater. 1, 64-68 (2002).

1989 (2)

H. J. Coles, H. F. Gleeson, "Electric field induced phase transitions and colour switching in the blue phases of chiral nematic liquid crystals," Mol. Cryst. Liq. Cryst. 167, 213-225 (1989).

H. F. Gleeson, H. J. Coles, "Dynamic properties of blue-phase mixtures," Liq. Cryst. 5, 917-926 (1989).

1979 (1)

V. G. Chigrinov, V. V. Belyaev, S. V. Belyaev, M. F. Grebenkin, "Instability of cholesteric liquid crystals in an electric field," Sov. Phys. JETP 50, 994-999 (1979).

1978 (1)

P. J. Collings, J. R. McColl, "Nuclear magnetic resonance spectroscopy in cholesteric liquid crystals. II. The blue phase," J. Chem. Phys. 69, 3371-3373 (1978).

Appl. Phys. Lett. (4)

Y. H. Fan, H. Ren, S. T. Wu, "Normal-mode anisotropic liquid-crystal gels," Appl. Phys. Lett. 82, 2945-2947 (2003).

Z. Ge, S. Gauza, M. Jiao, H. Xianyu, S. T. Wu, "Electro-optics of polymer-stabilized blue phase liquid crystal displays," Appl. Phys. Lett. 94, (2009) 101104.

L. Rao, Z. Ge, S. T. Wu, "Low voltage blue-phase liquid crystal displays," Appl. Phys. Lett. 95, (2009) 231101.

M. Jiao, Y. Li, S. T. Wu, "Low voltage and high transmittance blue- phase liquid crystal displays with corrugated electrodes," Appl. Phys. Lett. 96, (2010) 011102.

J. Chem. Phys. (1)

P. J. Collings, J. R. McColl, "Nuclear magnetic resonance spectroscopy in cholesteric liquid crystals. II. The blue phase," J. Chem. Phys. 69, 3371-3373 (1978).

J. Display Technol. (2)

Liq. Cryst. (1)

H. F. Gleeson, H. J. Coles, "Dynamic properties of blue-phase mixtures," Liq. Cryst. 5, 917-926 (1989).

Macromolecules (1)

T. Iwata, K. Suzuki, N. Amaya, H. Higuchi, H. Masunaga, S. Sasaki, H. Kikuchi, "Control of cross-linking polymerization kinetics and polymer aggregated structure in polymer-stabilized liquid crystalline blue phases," Macromolecules 42, 2002-2008 (2009).

Mol. Cryst. Liq. Cryst. (1)

H. J. Coles, H. F. Gleeson, "Electric field induced phase transitions and colour switching in the blue phases of chiral nematic liquid crystals," Mol. Cryst. Liq. Cryst. 167, 213-225 (1989).

Nat. Mater. (1)

H. Kikuchi, M. Yokota, Y. Hisakado, H. Yang, T. Kajiyama, "Polymer-stabilized liquid crystal blue phases," Nat. Mater. 1, 64-68 (2002).

Sov. Phys. JETP (1)

V. G. Chigrinov, V. V. Belyaev, S. V. Belyaev, M. F. Grebenkin, "Instability of cholesteric liquid crystals in an electric field," Sov. Phys. JETP 50, 994-999 (1979).

Other (7)

D. K. Yang, S. T. Wu, Fundamentals of Liquid Crystal Devices (Wiley, 2006).

P. P. Crooker, Chirality in Liquid Crystals (Springer, 2001) pp. 186-222.

C. Kittel, Introduction to Solid State Physics (Wiley, 1996) pp. 1-26.

P. G. de Gennes, J. Prost, The Physics of Liquid Crystals (Oxford Univ. Press, 1993) pp. 320-336.

S. T. Wu, D. K. Yang, Reflective Liquid Crystal Displays (Wiley, 2001).

G. P. Crawford, D. Svens˘ek, S. Z˘umer, Chirality in Liquid Crystals (Springer, 2001) pp. 375-432.

H. Kikuchi, Y. Haseba, S. Yamamoto, T. Iwata, H. Higuchi, "Optically isotropic nano-structured liquid crystal composites for display applications," SID Symp. Dig. (2009) pp. 578-581.

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