Abstract

A figure of merit (FoM), defined as the ratio of Kerr constant to response time, is used to characterize and compare the electro-optic performance of polymer-stabilized blue phase liquid crystals (BPLCs). Increasing the dielectric anisotropy of LC host enhances Kerr constant and lowers the operation voltage, but its associated high viscosity dramatically increases the response time. As a result, the FoM may not be necessarily higher. For a given BPLC device, an optimal temperature exists where FoM reaches maximum. The proposed FoM provides useful guidelines for optimizing BPLCs for display and photonic applications.

© 2012 IEEE

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  5. L. Rao, Z. Ge, S. T. Wu, S. H. Lee, "Low voltage blue-phase liquid crystal displays," Appl. Phys. Lett. 95, 231101 (2009).
  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, 011102 (2010).
  7. J. Yan, Y. Li, S. T. Wu, "High-efficiency and fast-response tunable phase grating using a blue phase liquid crystal," Opt. Lett. 36, 1404 (2011).
  8. Y. H. Lin, H. S. Chen, H. C. Lin, Y. S. Tsou, H. K. Hsu, W. Y. Li, "Polarizer-free and fast response microlens arrays using polymer-stabilized blue phase liquid crystals," Appl. Phys. Lett. 96, 113505 (2010).
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  14. L. Rao, J. Yan, S. T. Wu, S. Yamamoto, Y. Haseba, "A large Kerr constant polymer-stabilized blue phase liquid crystal," Appl. Phys. Lett. 98, 081109 (2011).
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  18. Y. Li, Y. Chen, J. Sun, S. T. Wu, S. H. Liu, P. J. Hsieh, K. L. Cheng, J. W. Shiu, "Dielectric dispersion on the Kerr constant of blue phase liquid crystals," Appl. Phys. Lett. 99, 181126 (2011).
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  28. A. Saupe, "Temperature dependence and magnitude of deformation constants in strained liquids," Z. Naturforsch. Teil A 15, 810-814 (1960).
  29. Z. Ge, L. Rao, S. Gauza, S. T. Wu, "Modeling of blue phase liquid crystal displays," J. Display Technol. 5, 250-256 (2009).
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2012

H. C. Cheng, J. Yan, T. Ishinabe, N. Sugiura, C. Y. Liu, T. H. Huang, C. Y. Tsai, C. H. Lin, S. T. Wu, "Blue-phase liquid crystal displays with vertical field switching," J. Display Technol. 8, 98-103 (2012).

J. Yan, Y. Chen, S. T. Wu, S. H. Liu, K. L. Cheng, J. W. Shiu, "Dynamic response of a polymer-stabilized blue-phase liquid crystal," J. Appl. Phys. 111, 063103 (2012).

2011

Y. Li, Y. Chen, J. Sun, S. T. Wu, S. H. Liu, P. J. Hsieh, K. L. Cheng, J. W. Shiu, "Dielectric dispersion on the Kerr constant of blue phase liquid crystals," Appl. Phys. Lett. 99, 181126 (2011).

J. Yan, S. T. Wu, "Polymer-stabilized blue phase liquid crystals: A tutorial," Opt. Mater. Express 1, 1527-1535 (2011).

H. C. Cheng, J. Yan, T. Ishinabe, S. T. Wu, "Vertical field switching for blue-phase liquid crystal devices," Appl. Phys. Lett. 98, 261102 (2011).

M. Jiao, J. Yan, S. T. Wu, "Dispersion relation on the Kerr constant of a polymer-stabilized optically isotropic liquid crystal," Phys. Rev. E 83, 041706 (2011).

L. Rao, J. Yan, S. T. Wu, S. Yamamoto, Y. Haseba, "A large Kerr constant polymer-stabilized blue phase liquid crystal," Appl. Phys. Lett. 98, 081109 (2011).

J. Yan, L. Rao, M. Jiao, Y. Li, H. C. Cheng, S. T. Wu, "Polymer-stabilized optically isotropic liquid crystals for next-generation display and photonics applications," J. Mater. Chem. 21, 7870-7877 (2011).

J. Yan, Y. Li, S. T. Wu, "High-efficiency and fast-response tunable phase grating using a blue phase liquid crystal," Opt. Lett. 36, 1404 (2011).

Y. Chen, J. Yan, J. Sun, S. T. Wu, X. Liang, S. H. Liu, P. J. Hsieh, K. L. Cheng, J. W. Shiu, "A microsecond- response polymer-stabilized blue phase liquid crystal," Appl. Phys. Lett. 99, 201105 (2011).

2010

J. Yan, H. C. Cheng, S. Gauza, Y. Li, M. Jiao, L. Rao, S. T. Wu, "Extended Kerr effect of polymer-stabilized blue-phase liquid crystals," Appl. Phys. Lett. 96, 071105 (2010).

Y. H. Lin, H. S. Chen, H. C. Lin, Y. S. Tsou, H. K. Hsu, W. Y. Li, "Polarizer-free and fast response microlens arrays using polymer-stabilized blue phase liquid crystals," Appl. Phys. Lett. 96, 113505 (2010).

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).

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

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, 101104 (2009).

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

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

2008

M. Jiao, Z. Ge, Q. Song, S. T. Wu, "Alignment layer effects on thin liquid crystal cells," Appl. Phys. Lett. 92, 061102 (2008).

2005

Y. Hisakado, H. Kikuchi, T. Nagamura, T. Kajiyama, "Large electro-optic Kerr effect in polymer-stabilized liquid crystalline blue phases," Adv. Mater. 17, 96-98 (2005).

2002

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

1987

1986

S. T. Wu, "Birefringence dispersions of liquid crystals," Phys. Rev. A 33, 1270-1274 (1986).

1985

V. V. Belyaev, S. A. Ivanov, M. F. Gorebenkin, "Temperature dependence of rotational viscosity of nematic liquid crystals," Sov. Phys. Crystallogr. 30, 674 (1985).

P. R. Gerber, "Electro-optical effects of a small-pitch blue-phase system," Mol. Cryst. Liq. Cryst. 116, 197-206 (1985).

1978

E. M. Averyanov, V. F. Shabanov, "Structural and optical anisotropy of liquid crystals," Sov. Phys. Crystallogr. 23, 177 (1978).

1975

I. Haller, "Thermodynamic and static properties of liquid crystals," Prog. Solid State Chem. 10, 103-118 (1975).

1961

W. Maier, G. Meier, "A simple theory of the dielectric characteristics of homogeneous oriented crystalline-liquid phases of the nematic type," Z. Naturf. A 16, 262-267 (1961).

1960

A. Saupe, "Temperature dependence and magnitude of deformation constants in strained liquids," Z. Naturforsch. Teil A 15, 810-814 (1960).

1932

J. W. Beams, "Electric and magnetic double refraction," Rev. Mod. Phys. 4, 133-172 (1932).

Adv. Mater.

Y. Hisakado, H. Kikuchi, T. Nagamura, T. Kajiyama, "Large electro-optic Kerr effect in polymer-stabilized liquid crystalline blue phases," Adv. Mater. 17, 96-98 (2005).

Appl. Phys. Lett.

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

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

Appl. Opt.

Appl. Phys. Lett.

H. C. Cheng, J. Yan, T. Ishinabe, S. T. Wu, "Vertical field switching for blue-phase liquid crystal devices," Appl. Phys. Lett. 98, 261102 (2011).

Y. H. Lin, H. S. Chen, H. C. Lin, Y. S. Tsou, H. K. Hsu, W. Y. Li, "Polarizer-free and fast response microlens arrays using polymer-stabilized blue phase liquid crystals," Appl. Phys. Lett. 96, 113505 (2010).

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, 101104 (2009).

Y. Chen, J. Yan, J. Sun, S. T. Wu, X. Liang, S. H. Liu, P. J. Hsieh, K. L. Cheng, J. W. Shiu, "A microsecond- response polymer-stabilized blue phase liquid crystal," Appl. Phys. Lett. 99, 201105 (2011).

J. Yan, H. C. Cheng, S. Gauza, Y. Li, M. Jiao, L. Rao, S. T. Wu, "Extended Kerr effect of polymer-stabilized blue-phase liquid crystals," Appl. Phys. Lett. 96, 071105 (2010).

L. Rao, J. Yan, S. T. Wu, S. Yamamoto, Y. Haseba, "A large Kerr constant polymer-stabilized blue phase liquid crystal," Appl. Phys. Lett. 98, 081109 (2011).

M. Jiao, Z. Ge, Q. Song, S. T. Wu, "Alignment layer effects on thin liquid crystal cells," Appl. Phys. Lett. 92, 061102 (2008).

Y. Li, Y. Chen, J. Sun, S. T. Wu, S. H. Liu, P. J. Hsieh, K. L. Cheng, J. W. Shiu, "Dielectric dispersion on the Kerr constant of blue phase liquid crystals," Appl. Phys. Lett. 99, 181126 (2011).

J. Appl. Phys.

J. Yan, Y. Chen, S. T. Wu, S. H. Liu, K. L. Cheng, J. W. Shiu, "Dynamic response of a polymer-stabilized blue-phase liquid crystal," J. Appl. Phys. 111, 063103 (2012).

J. Display Technol.

J. Mater. Chem.

J. Yan, L. Rao, M. Jiao, Y. Li, H. C. Cheng, S. T. Wu, "Polymer-stabilized optically isotropic liquid crystals for next-generation display and photonics applications," J. Mater. Chem. 21, 7870-7877 (2011).

Mol. Cryst. Liq. Cryst.

P. R. Gerber, "Electro-optical effects of a small-pitch blue-phase system," Mol. Cryst. Liq. Cryst. 116, 197-206 (1985).

Nat. Mater.

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

Opt. Lett.

Opt. Mater. Express

Phys. Rev. E

M. Jiao, J. Yan, S. T. Wu, "Dispersion relation on the Kerr constant of a polymer-stabilized optically isotropic liquid crystal," Phys. Rev. E 83, 041706 (2011).

Phys. Rev. A

S. T. Wu, "Birefringence dispersions of liquid crystals," Phys. Rev. A 33, 1270-1274 (1986).

Prog. Solid State Chem.

I. Haller, "Thermodynamic and static properties of liquid crystals," Prog. Solid State Chem. 10, 103-118 (1975).

Rev. Mod. Phys.

J. W. Beams, "Electric and magnetic double refraction," Rev. Mod. Phys. 4, 133-172 (1932).

Sov. Phys. Crystallogr.

V. V. Belyaev, S. A. Ivanov, M. F. Gorebenkin, "Temperature dependence of rotational viscosity of nematic liquid crystals," Sov. Phys. Crystallogr. 30, 674 (1985).

Sov. Phys. Crystallogr.

E. M. Averyanov, V. F. Shabanov, "Structural and optical anisotropy of liquid crystals," Sov. Phys. Crystallogr. 23, 177 (1978).

Z. Naturf. A

W. Maier, G. Meier, "A simple theory of the dielectric characteristics of homogeneous oriented crystalline-liquid phases of the nematic type," Z. Naturf. A 16, 262-267 (1961).

Z. Naturforsch. Teil A

A. Saupe, "Temperature dependence and magnitude of deformation constants in strained liquids," Z. Naturforsch. Teil A 15, 810-814 (1960).

Other

M. Wittek, N. Tanaka, D. Wilkes, M. Bremer, D. Pauluth, J. Canisius, A. Yeh, R. Yan, K. Skjonnemand, M. K. Memmer, "New materials for polymer-stabilized blue phase," SID Int. Symp. Dig. Tech. Papers (2012) pp. 25-28.

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