Abstract

We developed a fluorinated, UV-stable, high birefringence and low viscosity liquid crystal mixture for projection displays. With this mixture in a thin-cell-gap LCOS, we can achieve submillisecond gray-to-gray response time at an elevated temperature, which enables color sequential projection displays with negligible color breakup.

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  1. D. Armitage, I. Underwood, S. T. Wu, Introduction to Miscrodisplay (Wiley, 2006).
  2. M. S. Brennesholtz, E. H. Stupp, Projection Displays (Wiley, 2008).
  3. S. Gauza, X. Zhu, W. Piecek, R. Dabrowski, S. T. Wu, "Fast switching liquid crystals for color-sequential LCDs," J. Display Technol. 3, 250-252 (2007).
  4. M. F. Schiekel, K. Fahrenschon, "Deformation of nematic liquid crystals with vertical orientation in electrical fields," Appl. Phys. Lett. 19, 391-393 (1971).
  5. F. J. Kahn, "Electric-field-induced orientational deformation of nematic liquid crystals: Tunable birefringence," Appl. Phys. Lett. 20, 199-201 (1972).
  6. S. T. Wu, C. S. Wu, "Mixed-mode twisted nematic liquid crystal cells for reflective displays," Appl. Phys. Lett. 68, 1455-1457 (1996).
  7. S. Lee, C. Mao, K. M. Johnson, "Fast-switching liquid crystal on silicon microdisplay with frame buffer pixels and surface mode optically compensated birefringence," Opt. Eng. 45, 127402 (2006).
  8. S. He, J. H. Lee, H. C. Cheng, J. Yan, S. T. Wu, "Fast-response blue-phase liquid crystal for color sequential displays," J. Display Technol. 8, 352-356 (2012).
  9. L. Rao, S. He, S. T. Wu, "Blue-phase liquid crystals for reflective projection displays," J. Display Technol. 8, 555-557 (2012).
  10. 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).
  11. 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).
  12. D. Cuypers, H. De Smet, A. Van Calster, "VAN LCOS microdisplays: A decade of technological evolution," J. Display Technol. 7, 127-134 (2011).
  13. K. H. Fan-Chiang, S. T. Wu, S. H. Chen, "High-definition vertically-aligned liquid crystal microdisplay using a circularly polarized light," Appl. Phys. Lett. 87, 031110 (2005).
  14. K. H. Fan-Chiang, S. T. Wu, S. H. Wang, "Fringing-field effects on high-resolution liquid crystal microdisplays," J. Display Technol. 1, 304-313 (2005).
  15. H. Wang, T. X. Wu, X. Zhu, S. T. Wu, "Correlations between liquid crystal director reorientation and optical response time of a homeotropic cell," J. Appl. Phys. 95, 5502-5508 (2004).
  16. M. Hird, "Florinated liquid crystals-properties and applications," Chem. Soc. Rev. 36, 2070-2095 (2007).
  17. C. H. Wen, S. Gauza, S. T. Wu, "High-contrast vertical alignment of lateral difluoro-terphenyl liquid crystals," Appl. Phys. Lett. 87, 191909 (2005).
  18. S. T. Wu, C. S. Wu, "Experimental confirmation of Osipov-Terentjev theory on the viscosity of liquid crystals," Phys. Rev. A 42, 2219-2227 (1990).
  19. S. T. Wu, U. Efron, L. D. Hess, "Birefringence measurement of liquid crystals," Appl. Opt. 23, 3911-3915 (1984).
  20. I. Haller, "Thermodynamic and static properties of liquid crystals," Prog. Solid State Chem. 10, 103-118 (1975).
  21. S. T. Wu, C. S. Wu, M. Warenghem, M. Ismaili, "Refractive index dispersions of liquid crystals," Opt. Eng. 32, 1775-1780 (1993).
  22. J. Li, S. T. Wu, "Extended cauchy equations for the refractive indices of liquid crystals," J. Appl. Phys. 95, 896-901 (2004).
  23. S. T. Wu, A. M. Lackner, U. Efron, "Optimal operation temperature of liquid crystal modulators," Appl. Opt. 26, 3441-3445 (1987).
  24. L. Rao, S. Gauza, S. T. Wu, "Low temperature effects on the response time of liquid crystal displays," Appl. Phys. Lett. 94, 071112 (2009).
  25. S. T. Wu, C. S. Wu, "Small angle relaxation of highly deformed nematic liquid crystals," Appl. Phys. Lett. 53, 1794-1796 (1988).
  26. S. T. Wu, C. S. Wu, "High speed liquid crystal modulators using transient nematic effect," J. Appl. Phys. 65, 527-532 (1989).
  27. C. H. Wen, S. Gauza, S. T. Wu, "Photostability of liquid crystals and alignment layers," J. SID 13, 805-811 (2005).

2012

2011

D. Cuypers, H. De Smet, A. Van Calster, "VAN LCOS microdisplays: A decade of technological evolution," J. Display Technol. 7, 127-134 (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

2009

L. Rao, S. Gauza, S. T. Wu, "Low temperature effects on the response time of liquid crystal displays," Appl. Phys. Lett. 94, 071112 (2009).

2007

M. Hird, "Florinated liquid crystals-properties and applications," Chem. Soc. Rev. 36, 2070-2095 (2007).

S. Gauza, X. Zhu, W. Piecek, R. Dabrowski, S. T. Wu, "Fast switching liquid crystals for color-sequential LCDs," J. Display Technol. 3, 250-252 (2007).

2006

S. Lee, C. Mao, K. M. Johnson, "Fast-switching liquid crystal on silicon microdisplay with frame buffer pixels and surface mode optically compensated birefringence," Opt. Eng. 45, 127402 (2006).

2005

C. H. Wen, S. Gauza, S. T. Wu, "High-contrast vertical alignment of lateral difluoro-terphenyl liquid crystals," Appl. Phys. Lett. 87, 191909 (2005).

C. H. Wen, S. Gauza, S. T. Wu, "Photostability of liquid crystals and alignment layers," J. SID 13, 805-811 (2005).

K. H. Fan-Chiang, S. T. Wu, S. H. Chen, "High-definition vertically-aligned liquid crystal microdisplay using a circularly polarized light," Appl. Phys. Lett. 87, 031110 (2005).

K. H. Fan-Chiang, S. T. Wu, S. H. Wang, "Fringing-field effects on high-resolution liquid crystal microdisplays," J. Display Technol. 1, 304-313 (2005).

2004

H. Wang, T. X. Wu, X. Zhu, S. T. Wu, "Correlations between liquid crystal director reorientation and optical response time of a homeotropic cell," J. Appl. Phys. 95, 5502-5508 (2004).

J. Li, S. T. Wu, "Extended cauchy equations for the refractive indices of liquid crystals," J. Appl. Phys. 95, 896-901 (2004).

1996

S. T. Wu, C. S. Wu, "Mixed-mode twisted nematic liquid crystal cells for reflective displays," Appl. Phys. Lett. 68, 1455-1457 (1996).

1993

S. T. Wu, C. S. Wu, M. Warenghem, M. Ismaili, "Refractive index dispersions of liquid crystals," Opt. Eng. 32, 1775-1780 (1993).

1990

S. T. Wu, C. S. Wu, "Experimental confirmation of Osipov-Terentjev theory on the viscosity of liquid crystals," Phys. Rev. A 42, 2219-2227 (1990).

1989

S. T. Wu, C. S. Wu, "High speed liquid crystal modulators using transient nematic effect," J. Appl. Phys. 65, 527-532 (1989).

1988

S. T. Wu, C. S. Wu, "Small angle relaxation of highly deformed nematic liquid crystals," Appl. Phys. Lett. 53, 1794-1796 (1988).

1987

1984

1975

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

1972

F. J. Kahn, "Electric-field-induced orientational deformation of nematic liquid crystals: Tunable birefringence," Appl. Phys. Lett. 20, 199-201 (1972).

1971

M. F. Schiekel, K. Fahrenschon, "Deformation of nematic liquid crystals with vertical orientation in electrical fields," Appl. Phys. Lett. 19, 391-393 (1971).

Appl. Opt.

Appl. Phys. Lett.

S. T. Wu, C. S. Wu, "Mixed-mode twisted nematic liquid crystal cells for reflective displays," Appl. Phys. Lett. 68, 1455-1457 (1996).

Appl. Phys. Lett.

M. F. Schiekel, K. Fahrenschon, "Deformation of nematic liquid crystals with vertical orientation in electrical fields," Appl. Phys. Lett. 19, 391-393 (1971).

F. J. Kahn, "Electric-field-induced orientational deformation of nematic liquid crystals: Tunable birefringence," Appl. Phys. Lett. 20, 199-201 (1972).

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).

C. H. Wen, S. Gauza, S. T. Wu, "High-contrast vertical alignment of lateral difluoro-terphenyl liquid crystals," Appl. Phys. Lett. 87, 191909 (2005).

L. Rao, S. Gauza, S. T. Wu, "Low temperature effects on the response time of liquid crystal displays," Appl. Phys. Lett. 94, 071112 (2009).

S. T. Wu, C. S. Wu, "Small angle relaxation of highly deformed nematic liquid crystals," Appl. Phys. Lett. 53, 1794-1796 (1988).

K. H. Fan-Chiang, S. T. Wu, S. H. Chen, "High-definition vertically-aligned liquid crystal microdisplay using a circularly polarized light," Appl. Phys. Lett. 87, 031110 (2005).

Chem. Soc. Rev.

M. Hird, "Florinated liquid crystals-properties and applications," Chem. Soc. Rev. 36, 2070-2095 (2007).

J. Appl. Phys.

H. Wang, T. X. Wu, X. Zhu, S. T. Wu, "Correlations between liquid crystal director reorientation and optical response time of a homeotropic cell," J. Appl. Phys. 95, 5502-5508 (2004).

J. Appl. Phys.

S. T. Wu, C. S. Wu, "High speed liquid crystal modulators using transient nematic effect," J. Appl. Phys. 65, 527-532 (1989).

J. Li, S. T. Wu, "Extended cauchy equations for the refractive indices of liquid crystals," J. Appl. Phys. 95, 896-901 (2004).

J. Display Technol.

J. SID

C. H. Wen, S. Gauza, S. T. Wu, "Photostability of liquid crystals and alignment layers," J. SID 13, 805-811 (2005).

Opt. Eng.

S. T. Wu, C. S. Wu, M. Warenghem, M. Ismaili, "Refractive index dispersions of liquid crystals," Opt. Eng. 32, 1775-1780 (1993).

S. Lee, C. Mao, K. M. Johnson, "Fast-switching liquid crystal on silicon microdisplay with frame buffer pixels and surface mode optically compensated birefringence," Opt. Eng. 45, 127402 (2006).

Phys. Rev. A

S. T. Wu, C. S. Wu, "Experimental confirmation of Osipov-Terentjev theory on the viscosity of liquid crystals," Phys. Rev. A 42, 2219-2227 (1990).

Prog. Solid State Chem.

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

Other

D. Armitage, I. Underwood, S. T. Wu, Introduction to Miscrodisplay (Wiley, 2006).

M. S. Brennesholtz, E. H. Stupp, Projection Displays (Wiley, 2008).

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