Abstract

We present a new pixel circuit on glass using hydrogenated amorphous silicon (a-Si:H) for driving polymer-stabilized blue-phase liquid crystal displays (BPLCDs). Different from conventional nematics, BPLC demands a large dielectric anisotropy in order to lower the operation voltage. As a result, the pixel's capacitance is increased by ∼10×, which seriously limits the charging capability and optical efficiency. Simulation results show that the average error rate of storage voltage in pixel circuit is below 5.14% for 180 Hz operating frequency.

© 2012 IEEE

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  1. H. Kikuchi, M. Yokota, Y. Hisakado, H. Yang, T. Kajiyama, "Polymer-stabilized liquid crystal blue phases," Nat. Mater. 1, 64-68 (2002).
  2. 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 photonic applications," J. Mater. Chem. 21, 7870-7877 (2011).
  3. 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).
  4. 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).
  5. Z. Ge, L. Rao, S. Gauza, S. T. Wu, "Modeling of blue phase liquid crystal displays," J. Display Technol. 5, 250-256 (2009).
  6. 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).
  7. L. Rao, J. Yan, S. T. Wu, Y. C. Lai, Y. H. Chiu, H. Y. Chen, C. C. Liang, C. M. Wu, P. J. Hsieh, S. H. Liu, K. L. Cheng, "Critical field for a hysteresis-free BPLC device," J. Display Technol. 7, 627-629 (2011).
  8. L. Rao, Z. Ge, S. T. Wu, S. H. Lee, "Low voltage blue-phase liquid crystal displays," Appl. Phys. Lett. 95, 231101 (2009).
  9. Y. H. Kim, H. Lee, H. J. Park, O. J. Kwon, S. J. Yun, J. H. Park, S. Hong, S. T. Shin, "The world's first blue phase liquid crystal display," SID Symp. Dig. (2011) pp. 122-125.
  10. Y. Hirakata, "A novel field-sequential blue-phase-mode AMLCD," J. SID (2012) pp. 38-46.
  11. M. Kim, "Wall-shaped electrodes for reducing the operation voltage of polymer-stabilized blue phase liquid crystal displays," J. Phys. D: Appl. Phys. 42, 235502 (2009).
  12. 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).
  13. 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).
  14. 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).
  15. H. C. Cheng, J. Yan, T. Ishinabe, C. H. Lin, K. H. Liu, S. T. Wu, "Wide-view vertical field switching blue-phase LCD," J. Display Technol. 8, 627-633 (2012).
  16. 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).
  17. M. Wittek, N. Tanaka, D. Wilkes, M. Bremer, D. Pauluth, M. K. Memmer, J. Canisius, A. Yeh, R. Yan, K. Skjonnemand, "New materials for polymer-stabilized blue phase," SID Symp. Dig. (2012) pp. 25-28.

2012 (2)

2011 (5)

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).

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).

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 photonic applications," J. Mater. Chem. 21, 7870-7877 (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).

L. Rao, J. Yan, S. T. Wu, Y. C. Lai, Y. H. Chiu, H. Y. Chen, C. C. Liang, C. M. Wu, P. J. Hsieh, S. H. Liu, K. L. Cheng, "Critical field for a hysteresis-free BPLC device," J. Display Technol. 7, 627-629 (2011).

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, 011102 (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).

2009 (4)

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, 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).

M. Kim, "Wall-shaped electrodes for reducing the operation voltage of polymer-stabilized blue phase liquid crystal displays," J. Phys. D: Appl. Phys. 42, 235502 (2009).

2002 (1)

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

Appl. Phys. Lett. (1)

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. Phys. Lett. (5)

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).

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).

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).

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).

J. Display Technol. (1)

L. Rao, J. Yan, S. T. Wu, Y. C. Lai, Y. H. Chiu, H. Y. Chen, C. C. Liang, C. M. Wu, P. J. Hsieh, S. H. Liu, K. L. Cheng, "Critical field for a hysteresis-free BPLC device," J. Display Technol. 7, 627-629 (2011).

J. Display Technol. (4)

J. Mater. Chem. (1)

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 photonic applications," J. Mater. Chem. 21, 7870-7877 (2011).

J. Phys. D: Appl. Phys. (1)

M. Kim, "Wall-shaped electrodes for reducing the operation voltage of polymer-stabilized blue phase liquid crystal displays," J. Phys. D: Appl. Phys. 42, 235502 (2009).

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).

Other (3)

Y. H. Kim, H. Lee, H. J. Park, O. J. Kwon, S. J. Yun, J. H. Park, S. Hong, S. T. Shin, "The world's first blue phase liquid crystal display," SID Symp. Dig. (2011) pp. 122-125.

Y. Hirakata, "A novel field-sequential blue-phase-mode AMLCD," J. SID (2012) pp. 38-46.

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

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