Abstract

This work demonstrates the feasibility of a polarizer-free, electrically switchable and optically rewritable display based on dye-doped polymer-dispersed liquid crystals (DD-PDLCs). Experimental results indicate that the doped dyes are homeotropically adsorbed onto the polymer film when an appropriate AC voltage is applied during patterning. The adsorbed dyes in the illuminated region then align the liquid crystals homeotropically, and produce a transparent pattern in the scattering background without any polarizer. Notably, the adsorbed dyes can be erased and readsorbed using thermal and optical treatments, respectively. The switching time of the fabricated display is of the order of milliseconds, and the contrast ratio is ~ 30.

© 2009 Optical Society of America

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  1. D. Statman, E. Page, V. Werner and J. C. Lombardi, "Photoinduced reorientation of nematic liquid crystals doped with an azo dye: A dynamic and steady-state study of reorientation and loss of liquid crystal order," Phys. Rev. E 75, 021703 (2007).
    [CrossRef]
  2. C.-R. Lee, T.-S. Mo, K.-T. Cheng, T.-L. Fu and A. Y.-G. Fuh, "Electrically switchable and thermally erasable biphotonic holographic gratings in dye-doped liquid crystal films," Appl. Phys. Lett. 83, 4285-4287 (2003).
    [CrossRef]
  3. O. Francescangeli, S. Slussarenko and F. Simoni, "Light-induced surface sliding of the nematic director in liquid crystals," Phys. Rev. Lett. 82, 1855-1858 (1999).
    [CrossRef]
  4. K.-T. Cheng, C.-K. Liu, C.-L. Ting and A. Y.-G. Fuh, "Electrically switchable and optically rewritable reflective Fresnel zone plate in dye-doped cholesteric liquid crystals," Opt. Express 15, 14078-14085 (2007).
    [CrossRef] [PubMed]
  5. T.-H. Lin, Y. Huang, Y. Zhou, A. Y.-G. Fuh and S.-T. Wu, "Photo-patterning micro-mirror devices using azo dye-doped cholesteric liquid crystals," Opt. Express 14, 4479-4485 (2006).
    [CrossRef] [PubMed]
  6. A. Y.-G. Fuh, M.-S. Tsai, L.-J. Huang and T.-C. Liu, "Optically switchable gratings based on polymer-dispersed liquid crystal films doped with a guest-host dye," Appl. Phys. Lett. 74, 2572-2574 (1999).
    [CrossRef]
  7. A. Y.-G. Fuh, C.-R. Lee and K.-T. Cheng, "Fast optical recording of polarization holographic grating based on an azo-dye-doped polymer-ball-type polymer-dispersed liquid crystal film," Jpn. J. Appl. Phys. 42, 4406-4410 (2003).
    [CrossRef]
  8. A. Y.-G. Fuh and T.-S. Mo, "Holographic grating based on dye-doped Surface-Stabilized Ferroelectric liquid crystal films," Jpn. J. Appl. Phys. 41, 2122-2127 (2002).
    [CrossRef]
  9. D. Voloschenko, A. Khizhnyak, Y. Reznikov, and V. Reshetnyak, "Control of an easy-axis on nematic-polymer interface by light action to nematic bulk," Jpn. J. Appl. Phys. 34, 566-571 (1995).
    [CrossRef]
  10. F. Simoni, O. Francescangeli, Y. Reznikov and S. Slussarenko, "Dye-doped liquid crystals as high-resolution recording media," Opt. Lett. 22, 549-551 (1997).
    [CrossRef] [PubMed]
  11. F. Simoni and O. Francescangeli, "Effects of light on molecular orientation of liquid crystals," J. Phys. Condens. Matter 11, R439-R487 (1999).
    [CrossRef]
  12. D. Fedorenko, E. Ouskova, V. Reshetnyak and Y. Reznikov, "Evolution of light-induced anchoring in dye-doped nematics: Experiment and model," Phys. Rev. E 73, 031701 (2006).
    [CrossRef]
  13. C.-R. Lee, T.-L. Fu, K.-T. Cheng, T.-S. Mo and A. Y.-G. Fuh, "Surface-assisted photo-alignment in dye-doped liquid crystal films," Phys. Rev. E 69, 031704 (2004).
    [CrossRef]
  14. G. H. Heilmeier and L. A. Zanoni, "Guest-Host interactions in nematic liquid crystals: A new electro-optic effect," Appl. Phys. Lett. 13, 91-92 (1968).
    [CrossRef]
  15. J. W. Doane, N. A. Vaz, B.-G. Wu and S. Zumer, "Field controlled light scattering from nematic microdroplets," Appl. Phys. Lett. 48, 269-271 (1986).
    [CrossRef]
  16. R. Yamaguchi and S. Sato, "Memory effects of light transmission properties in polymer-dispersed liquid-crystal (PDLC) films," Jpn. J. Appl. Phys. 30, L616-L618 (1991).
    [CrossRef]
  17. T. Qian, J.-H. Kim, S. Kumar and P. L. Taylor, "Phase-separated composite films: Experiment and theory," Phys. Rev. E 61, 4007-4010 (2000).
    [CrossRef]
  18. Q. Wang, J. O. Park, M. Srinivasarao, L. Qiu, and S. Kumar, "Control of polymer structures in phase-separated liquid crystal-polymer composite systems," Jpn. J. Appl. Phys. 44, 3115-3120 (2005).
    [CrossRef]
  19. S.-W. Kang, S. Sprunt and L.-C. Chien, "Structure and morphology of polymer-stabilized cholesteric diffraction gratings," Appl. Phys. Lett. 76, 3516-3518 (2000).
    [CrossRef]

2007 (2)

D. Statman, E. Page, V. Werner and J. C. Lombardi, "Photoinduced reorientation of nematic liquid crystals doped with an azo dye: A dynamic and steady-state study of reorientation and loss of liquid crystal order," Phys. Rev. E 75, 021703 (2007).
[CrossRef]

K.-T. Cheng, C.-K. Liu, C.-L. Ting and A. Y.-G. Fuh, "Electrically switchable and optically rewritable reflective Fresnel zone plate in dye-doped cholesteric liquid crystals," Opt. Express 15, 14078-14085 (2007).
[CrossRef] [PubMed]

2006 (2)

T.-H. Lin, Y. Huang, Y. Zhou, A. Y.-G. Fuh and S.-T. Wu, "Photo-patterning micro-mirror devices using azo dye-doped cholesteric liquid crystals," Opt. Express 14, 4479-4485 (2006).
[CrossRef] [PubMed]

D. Fedorenko, E. Ouskova, V. Reshetnyak and Y. Reznikov, "Evolution of light-induced anchoring in dye-doped nematics: Experiment and model," Phys. Rev. E 73, 031701 (2006).
[CrossRef]

2005 (1)

Q. Wang, J. O. Park, M. Srinivasarao, L. Qiu, and S. Kumar, "Control of polymer structures in phase-separated liquid crystal-polymer composite systems," Jpn. J. Appl. Phys. 44, 3115-3120 (2005).
[CrossRef]

Q. Wang, J. O. Park, M. Srinivasarao, L. Qiu, and S. Kumar, "Control of polymer structures in phase-separated liquid crystal-polymer composite systems," Jpn. J. Appl. Phys. 44, 3115-3120 (2005).
[CrossRef]

2004 (1)

C.-R. Lee, T.-L. Fu, K.-T. Cheng, T.-S. Mo and A. Y.-G. Fuh, "Surface-assisted photo-alignment in dye-doped liquid crystal films," Phys. Rev. E 69, 031704 (2004).
[CrossRef]

2003 (2)

C.-R. Lee, T.-S. Mo, K.-T. Cheng, T.-L. Fu and A. Y.-G. Fuh, "Electrically switchable and thermally erasable biphotonic holographic gratings in dye-doped liquid crystal films," Appl. Phys. Lett. 83, 4285-4287 (2003).
[CrossRef]

A. Y.-G. Fuh, C.-R. Lee and K.-T. Cheng, "Fast optical recording of polarization holographic grating based on an azo-dye-doped polymer-ball-type polymer-dispersed liquid crystal film," Jpn. J. Appl. Phys. 42, 4406-4410 (2003).
[CrossRef]

2002 (1)

A. Y.-G. Fuh and T.-S. Mo, "Holographic grating based on dye-doped Surface-Stabilized Ferroelectric liquid crystal films," Jpn. J. Appl. Phys. 41, 2122-2127 (2002).
[CrossRef]

2000 (2)

S.-W. Kang, S. Sprunt and L.-C. Chien, "Structure and morphology of polymer-stabilized cholesteric diffraction gratings," Appl. Phys. Lett. 76, 3516-3518 (2000).
[CrossRef]

T. Qian, J.-H. Kim, S. Kumar and P. L. Taylor, "Phase-separated composite films: Experiment and theory," Phys. Rev. E 61, 4007-4010 (2000).
[CrossRef]

1999 (3)

F. Simoni and O. Francescangeli, "Effects of light on molecular orientation of liquid crystals," J. Phys. Condens. Matter 11, R439-R487 (1999).
[CrossRef]

O. Francescangeli, S. Slussarenko and F. Simoni, "Light-induced surface sliding of the nematic director in liquid crystals," Phys. Rev. Lett. 82, 1855-1858 (1999).
[CrossRef]

A. Y.-G. Fuh, M.-S. Tsai, L.-J. Huang and T.-C. Liu, "Optically switchable gratings based on polymer-dispersed liquid crystal films doped with a guest-host dye," Appl. Phys. Lett. 74, 2572-2574 (1999).
[CrossRef]

1997 (1)

1995 (1)

D. Voloschenko, A. Khizhnyak, Y. Reznikov, and V. Reshetnyak, "Control of an easy-axis on nematic-polymer interface by light action to nematic bulk," Jpn. J. Appl. Phys. 34, 566-571 (1995).
[CrossRef]

1991 (1)

R. Yamaguchi and S. Sato, "Memory effects of light transmission properties in polymer-dispersed liquid-crystal (PDLC) films," Jpn. J. Appl. Phys. 30, L616-L618 (1991).
[CrossRef]

1986 (1)

J. W. Doane, N. A. Vaz, B.-G. Wu and S. Zumer, "Field controlled light scattering from nematic microdroplets," Appl. Phys. Lett. 48, 269-271 (1986).
[CrossRef]

1968 (1)

G. H. Heilmeier and L. A. Zanoni, "Guest-Host interactions in nematic liquid crystals: A new electro-optic effect," Appl. Phys. Lett. 13, 91-92 (1968).
[CrossRef]

Cheng, K.-T.

K.-T. Cheng, C.-K. Liu, C.-L. Ting and A. Y.-G. Fuh, "Electrically switchable and optically rewritable reflective Fresnel zone plate in dye-doped cholesteric liquid crystals," Opt. Express 15, 14078-14085 (2007).
[CrossRef] [PubMed]

C.-R. Lee, T.-L. Fu, K.-T. Cheng, T.-S. Mo and A. Y.-G. Fuh, "Surface-assisted photo-alignment in dye-doped liquid crystal films," Phys. Rev. E 69, 031704 (2004).
[CrossRef]

C.-R. Lee, T.-S. Mo, K.-T. Cheng, T.-L. Fu and A. Y.-G. Fuh, "Electrically switchable and thermally erasable biphotonic holographic gratings in dye-doped liquid crystal films," Appl. Phys. Lett. 83, 4285-4287 (2003).
[CrossRef]

A. Y.-G. Fuh, C.-R. Lee and K.-T. Cheng, "Fast optical recording of polarization holographic grating based on an azo-dye-doped polymer-ball-type polymer-dispersed liquid crystal film," Jpn. J. Appl. Phys. 42, 4406-4410 (2003).
[CrossRef]

Chien, L.-C.

S.-W. Kang, S. Sprunt and L.-C. Chien, "Structure and morphology of polymer-stabilized cholesteric diffraction gratings," Appl. Phys. Lett. 76, 3516-3518 (2000).
[CrossRef]

Doane, J. W.

J. W. Doane, N. A. Vaz, B.-G. Wu and S. Zumer, "Field controlled light scattering from nematic microdroplets," Appl. Phys. Lett. 48, 269-271 (1986).
[CrossRef]

Fedorenko, D.

D. Fedorenko, E. Ouskova, V. Reshetnyak and Y. Reznikov, "Evolution of light-induced anchoring in dye-doped nematics: Experiment and model," Phys. Rev. E 73, 031701 (2006).
[CrossRef]

Francescangeli, O.

F. Simoni and O. Francescangeli, "Effects of light on molecular orientation of liquid crystals," J. Phys. Condens. Matter 11, R439-R487 (1999).
[CrossRef]

O. Francescangeli, S. Slussarenko and F. Simoni, "Light-induced surface sliding of the nematic director in liquid crystals," Phys. Rev. Lett. 82, 1855-1858 (1999).
[CrossRef]

F. Simoni, O. Francescangeli, Y. Reznikov and S. Slussarenko, "Dye-doped liquid crystals as high-resolution recording media," Opt. Lett. 22, 549-551 (1997).
[CrossRef] [PubMed]

Fu, T.-L.

C.-R. Lee, T.-L. Fu, K.-T. Cheng, T.-S. Mo and A. Y.-G. Fuh, "Surface-assisted photo-alignment in dye-doped liquid crystal films," Phys. Rev. E 69, 031704 (2004).
[CrossRef]

C.-R. Lee, T.-S. Mo, K.-T. Cheng, T.-L. Fu and A. Y.-G. Fuh, "Electrically switchable and thermally erasable biphotonic holographic gratings in dye-doped liquid crystal films," Appl. Phys. Lett. 83, 4285-4287 (2003).
[CrossRef]

Fuh, A. Y. -G..

C.-R. Lee, T.-L. Fu, K.-T. Cheng, T.-S. Mo and A. Y.-G. Fuh, "Surface-assisted photo-alignment in dye-doped liquid crystal films," Phys. Rev. E 69, 031704 (2004).
[CrossRef]

Fuh, A. Y.-G.

K.-T. Cheng, C.-K. Liu, C.-L. Ting and A. Y.-G. Fuh, "Electrically switchable and optically rewritable reflective Fresnel zone plate in dye-doped cholesteric liquid crystals," Opt. Express 15, 14078-14085 (2007).
[CrossRef] [PubMed]

T.-H. Lin, Y. Huang, Y. Zhou, A. Y.-G. Fuh and S.-T. Wu, "Photo-patterning micro-mirror devices using azo dye-doped cholesteric liquid crystals," Opt. Express 14, 4479-4485 (2006).
[CrossRef] [PubMed]

A. Y.-G. Fuh, C.-R. Lee and K.-T. Cheng, "Fast optical recording of polarization holographic grating based on an azo-dye-doped polymer-ball-type polymer-dispersed liquid crystal film," Jpn. J. Appl. Phys. 42, 4406-4410 (2003).
[CrossRef]

C.-R. Lee, T.-S. Mo, K.-T. Cheng, T.-L. Fu and A. Y.-G. Fuh, "Electrically switchable and thermally erasable biphotonic holographic gratings in dye-doped liquid crystal films," Appl. Phys. Lett. 83, 4285-4287 (2003).
[CrossRef]

A. Y.-G. Fuh and T.-S. Mo, "Holographic grating based on dye-doped Surface-Stabilized Ferroelectric liquid crystal films," Jpn. J. Appl. Phys. 41, 2122-2127 (2002).
[CrossRef]

A. Y.-G. Fuh, M.-S. Tsai, L.-J. Huang and T.-C. Liu, "Optically switchable gratings based on polymer-dispersed liquid crystal films doped with a guest-host dye," Appl. Phys. Lett. 74, 2572-2574 (1999).
[CrossRef]

Heilmeier, G. H.

G. H. Heilmeier and L. A. Zanoni, "Guest-Host interactions in nematic liquid crystals: A new electro-optic effect," Appl. Phys. Lett. 13, 91-92 (1968).
[CrossRef]

Huang, L.-J.

A. Y.-G. Fuh, M.-S. Tsai, L.-J. Huang and T.-C. Liu, "Optically switchable gratings based on polymer-dispersed liquid crystal films doped with a guest-host dye," Appl. Phys. Lett. 74, 2572-2574 (1999).
[CrossRef]

Huang, Y.

Jung, Q.

Q. Wang, J. O. Park, M. Srinivasarao, L. Qiu, and S. Kumar, "Control of polymer structures in phase-separated liquid crystal-polymer composite systems," Jpn. J. Appl. Phys. 44, 3115-3120 (2005).
[CrossRef]

Kang, S.-W.

S.-W. Kang, S. Sprunt and L.-C. Chien, "Structure and morphology of polymer-stabilized cholesteric diffraction gratings," Appl. Phys. Lett. 76, 3516-3518 (2000).
[CrossRef]

Khizhnyak, A.

D. Voloschenko, A. Khizhnyak, Y. Reznikov, and V. Reshetnyak, "Control of an easy-axis on nematic-polymer interface by light action to nematic bulk," Jpn. J. Appl. Phys. 34, 566-571 (1995).
[CrossRef]

Kim, J.-H.

T. Qian, J.-H. Kim, S. Kumar and P. L. Taylor, "Phase-separated composite films: Experiment and theory," Phys. Rev. E 61, 4007-4010 (2000).
[CrossRef]

Kumar, S.

T. Qian, J.-H. Kim, S. Kumar and P. L. Taylor, "Phase-separated composite films: Experiment and theory," Phys. Rev. E 61, 4007-4010 (2000).
[CrossRef]

Lee, C.-R.

C.-R. Lee, T.-L. Fu, K.-T. Cheng, T.-S. Mo and A. Y.-G. Fuh, "Surface-assisted photo-alignment in dye-doped liquid crystal films," Phys. Rev. E 69, 031704 (2004).
[CrossRef]

A. Y.-G. Fuh, C.-R. Lee and K.-T. Cheng, "Fast optical recording of polarization holographic grating based on an azo-dye-doped polymer-ball-type polymer-dispersed liquid crystal film," Jpn. J. Appl. Phys. 42, 4406-4410 (2003).
[CrossRef]

C.-R. Lee, T.-S. Mo, K.-T. Cheng, T.-L. Fu and A. Y.-G. Fuh, "Electrically switchable and thermally erasable biphotonic holographic gratings in dye-doped liquid crystal films," Appl. Phys. Lett. 83, 4285-4287 (2003).
[CrossRef]

Lin, T.-H.

Liu, C.-K.

Liu, T.-C.

A. Y.-G. Fuh, M.-S. Tsai, L.-J. Huang and T.-C. Liu, "Optically switchable gratings based on polymer-dispersed liquid crystal films doped with a guest-host dye," Appl. Phys. Lett. 74, 2572-2574 (1999).
[CrossRef]

Lombardi, J. C.

D. Statman, E. Page, V. Werner and J. C. Lombardi, "Photoinduced reorientation of nematic liquid crystals doped with an azo dye: A dynamic and steady-state study of reorientation and loss of liquid crystal order," Phys. Rev. E 75, 021703 (2007).
[CrossRef]

Mo, T.-S.

C.-R. Lee, T.-L. Fu, K.-T. Cheng, T.-S. Mo and A. Y.-G. Fuh, "Surface-assisted photo-alignment in dye-doped liquid crystal films," Phys. Rev. E 69, 031704 (2004).
[CrossRef]

C.-R. Lee, T.-S. Mo, K.-T. Cheng, T.-L. Fu and A. Y.-G. Fuh, "Electrically switchable and thermally erasable biphotonic holographic gratings in dye-doped liquid crystal films," Appl. Phys. Lett. 83, 4285-4287 (2003).
[CrossRef]

A. Y.-G. Fuh and T.-S. Mo, "Holographic grating based on dye-doped Surface-Stabilized Ferroelectric liquid crystal films," Jpn. J. Appl. Phys. 41, 2122-2127 (2002).
[CrossRef]

Ouskova, E.

D. Fedorenko, E. Ouskova, V. Reshetnyak and Y. Reznikov, "Evolution of light-induced anchoring in dye-doped nematics: Experiment and model," Phys. Rev. E 73, 031701 (2006).
[CrossRef]

Page, E.

D. Statman, E. Page, V. Werner and J. C. Lombardi, "Photoinduced reorientation of nematic liquid crystals doped with an azo dye: A dynamic and steady-state study of reorientation and loss of liquid crystal order," Phys. Rev. E 75, 021703 (2007).
[CrossRef]

Qian, T.

T. Qian, J.-H. Kim, S. Kumar and P. L. Taylor, "Phase-separated composite films: Experiment and theory," Phys. Rev. E 61, 4007-4010 (2000).
[CrossRef]

Reshetnyak, V.

D. Fedorenko, E. Ouskova, V. Reshetnyak and Y. Reznikov, "Evolution of light-induced anchoring in dye-doped nematics: Experiment and model," Phys. Rev. E 73, 031701 (2006).
[CrossRef]

D. Voloschenko, A. Khizhnyak, Y. Reznikov, and V. Reshetnyak, "Control of an easy-axis on nematic-polymer interface by light action to nematic bulk," Jpn. J. Appl. Phys. 34, 566-571 (1995).
[CrossRef]

Reznikov, Y.

D. Fedorenko, E. Ouskova, V. Reshetnyak and Y. Reznikov, "Evolution of light-induced anchoring in dye-doped nematics: Experiment and model," Phys. Rev. E 73, 031701 (2006).
[CrossRef]

F. Simoni, O. Francescangeli, Y. Reznikov and S. Slussarenko, "Dye-doped liquid crystals as high-resolution recording media," Opt. Lett. 22, 549-551 (1997).
[CrossRef] [PubMed]

D. Voloschenko, A. Khizhnyak, Y. Reznikov, and V. Reshetnyak, "Control of an easy-axis on nematic-polymer interface by light action to nematic bulk," Jpn. J. Appl. Phys. 34, 566-571 (1995).
[CrossRef]

Sato, S.

R. Yamaguchi and S. Sato, "Memory effects of light transmission properties in polymer-dispersed liquid-crystal (PDLC) films," Jpn. J. Appl. Phys. 30, L616-L618 (1991).
[CrossRef]

Simoni, F.

O. Francescangeli, S. Slussarenko and F. Simoni, "Light-induced surface sliding of the nematic director in liquid crystals," Phys. Rev. Lett. 82, 1855-1858 (1999).
[CrossRef]

F. Simoni and O. Francescangeli, "Effects of light on molecular orientation of liquid crystals," J. Phys. Condens. Matter 11, R439-R487 (1999).
[CrossRef]

F. Simoni, O. Francescangeli, Y. Reznikov and S. Slussarenko, "Dye-doped liquid crystals as high-resolution recording media," Opt. Lett. 22, 549-551 (1997).
[CrossRef] [PubMed]

Slussarenko, S.

O. Francescangeli, S. Slussarenko and F. Simoni, "Light-induced surface sliding of the nematic director in liquid crystals," Phys. Rev. Lett. 82, 1855-1858 (1999).
[CrossRef]

F. Simoni, O. Francescangeli, Y. Reznikov and S. Slussarenko, "Dye-doped liquid crystals as high-resolution recording media," Opt. Lett. 22, 549-551 (1997).
[CrossRef] [PubMed]

Sprunt, S.

S.-W. Kang, S. Sprunt and L.-C. Chien, "Structure and morphology of polymer-stabilized cholesteric diffraction gratings," Appl. Phys. Lett. 76, 3516-3518 (2000).
[CrossRef]

Statman, D.

D. Statman, E. Page, V. Werner and J. C. Lombardi, "Photoinduced reorientation of nematic liquid crystals doped with an azo dye: A dynamic and steady-state study of reorientation and loss of liquid crystal order," Phys. Rev. E 75, 021703 (2007).
[CrossRef]

Taylor, P. L.

T. Qian, J.-H. Kim, S. Kumar and P. L. Taylor, "Phase-separated composite films: Experiment and theory," Phys. Rev. E 61, 4007-4010 (2000).
[CrossRef]

Ting, C.-L.

Tsai, M.-S.

A. Y.-G. Fuh, M.-S. Tsai, L.-J. Huang and T.-C. Liu, "Optically switchable gratings based on polymer-dispersed liquid crystal films doped with a guest-host dye," Appl. Phys. Lett. 74, 2572-2574 (1999).
[CrossRef]

Vaz, N. A.

J. W. Doane, N. A. Vaz, B.-G. Wu and S. Zumer, "Field controlled light scattering from nematic microdroplets," Appl. Phys. Lett. 48, 269-271 (1986).
[CrossRef]

Voloschenko, D.

D. Voloschenko, A. Khizhnyak, Y. Reznikov, and V. Reshetnyak, "Control of an easy-axis on nematic-polymer interface by light action to nematic bulk," Jpn. J. Appl. Phys. 34, 566-571 (1995).
[CrossRef]

Wang, Q.

Q. Wang, J. O. Park, M. Srinivasarao, L. Qiu, and S. Kumar, "Control of polymer structures in phase-separated liquid crystal-polymer composite systems," Jpn. J. Appl. Phys. 44, 3115-3120 (2005).
[CrossRef]

Werner, V.

D. Statman, E. Page, V. Werner and J. C. Lombardi, "Photoinduced reorientation of nematic liquid crystals doped with an azo dye: A dynamic and steady-state study of reorientation and loss of liquid crystal order," Phys. Rev. E 75, 021703 (2007).
[CrossRef]

Wu, B.-G.

J. W. Doane, N. A. Vaz, B.-G. Wu and S. Zumer, "Field controlled light scattering from nematic microdroplets," Appl. Phys. Lett. 48, 269-271 (1986).
[CrossRef]

Wu, S.-T.

Yamaguchi, R.

R. Yamaguchi and S. Sato, "Memory effects of light transmission properties in polymer-dispersed liquid-crystal (PDLC) films," Jpn. J. Appl. Phys. 30, L616-L618 (1991).
[CrossRef]

Zanoni, L. A.

G. H. Heilmeier and L. A. Zanoni, "Guest-Host interactions in nematic liquid crystals: A new electro-optic effect," Appl. Phys. Lett. 13, 91-92 (1968).
[CrossRef]

Zhou, Y.

Zumer, S.

J. W. Doane, N. A. Vaz, B.-G. Wu and S. Zumer, "Field controlled light scattering from nematic microdroplets," Appl. Phys. Lett. 48, 269-271 (1986).
[CrossRef]

Appl. Phys. Lett. (5)

C.-R. Lee, T.-S. Mo, K.-T. Cheng, T.-L. Fu and A. Y.-G. Fuh, "Electrically switchable and thermally erasable biphotonic holographic gratings in dye-doped liquid crystal films," Appl. Phys. Lett. 83, 4285-4287 (2003).
[CrossRef]

A. Y.-G. Fuh, M.-S. Tsai, L.-J. Huang and T.-C. Liu, "Optically switchable gratings based on polymer-dispersed liquid crystal films doped with a guest-host dye," Appl. Phys. Lett. 74, 2572-2574 (1999).
[CrossRef]

G. H. Heilmeier and L. A. Zanoni, "Guest-Host interactions in nematic liquid crystals: A new electro-optic effect," Appl. Phys. Lett. 13, 91-92 (1968).
[CrossRef]

J. W. Doane, N. A. Vaz, B.-G. Wu and S. Zumer, "Field controlled light scattering from nematic microdroplets," Appl. Phys. Lett. 48, 269-271 (1986).
[CrossRef]

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Figures (5)

Fig. 1.
Fig. 1.

Experimental setups (a) for curing sample under UV; (b) for measuring the transmittance of the cured sample with or without the application of an AC voltage; (c) for patterning a DD-PDLC sample. P, BE and AP represent polarizer, beam expander and aperture, respectively. The mask in (c) is a home-made transparent mask of the two letters, “LC”.

Fig. 2.
Fig. 2.

Images of (a) reference surface, SR, and (b) command surface, SC, of cell after UV-curing (intensity ~ 0.14 W/cm2) for 50 minutes on a piece of printed paper. Top-view SEM images of (c) DMOAP-coated SR, and (d) polymer film formed on SC.

Fig. 3.
Fig. 3.

Experimental results; (a) measured transmittance of UV-cured sample as function of UV curing duration; (b) transmittance versus voltage curve of cured sample; (c) variation of transmittance of cured sample with duration of illumination with green light; (d) transmittances of patterned region versus polarization direction of probe light.

Fig. 4.
Fig. 4.

Photographs of DD-PDLC sample taken using a digital camera (a) before and (b) after the sample had been illuminated with a green laser beam through a mask of the two letters “LC”; (c) and (d) photographs of sample after it had been thermally erased and optically rewritten, respectively.

Fig. 5.
Fig. 5.

Recorded pattern, “LC”, on DD-PDLC film with applied AC voltage (1 KHz) of (a) 0 V and (b) 100 V. The pattern returns to (a) when the applied voltage is switched off. The background is a piece of printed paper.

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