Three-Terminal Hybrid-aligned Nematic Liquid Crystal Cell for Fast Turn-off Switching

  • Baek, Jong-In (School of Electrical Engineering, Pusan National University) ;
  • Kim, Ki-Han (School of Electrical Engineering, Pusan National University) ;
  • Kim, Jae-Chang (School of Electrical Engineering, Pusan National University) ;
  • Yoon, Tae-Hoon (School of Electrical Engineering, Pusan National University)
  • Published : 2009.03.31

Abstract

A three-terminal hybrid-aligned nematic liquid crystal (3T-HAN LC) cell capable of fast turn-off switching is proposed in this paper. By employing the relaxation process initiated by an electric-field pulse, a fast turn-off time of less than 1 ms can be obtained through optically hidden relaxation. A low operating voltage and high transmittance were confirmed through simulations and experiments.

Keywords

References

  1. S. Nagata, E. Takeda, Y. Nanno, T. Kawaguchi, Y. Mino, A. Otsuka, and S. Ishihara, SID Int. Symp. Dig. Tech. Pap. (1989), p. 242
  2. J. S. Gwag, J. C. Kim, and T.-H. Yoon, Jpn. J. Appl. Phys. 45, 7047 (2006) https://doi.org/10.1143/JJAP.45.7047
  3. C. Y. Xiang, J. X. Guo, X. W. Sun, X. J. Yin, and G. J. Qi, Jpn. J. Appl. Phys. 42, L763 (2003) https://doi.org/10.1143/JJAP.42.L763
  4. C. Y. Xiang, X. W. Sun, and X. J. Yin, J. Phys. D 37, 994 (2004)
  5. J. L. West, G. Zhang, A. Glushchenko, and Y. Reznikov, Appl. Phys. Lett. 86, 031111 (2005) https://doi.org/10.1063/1.1852720
  6. S. H. Lee, K.-H. Park, J. S. Gwag, T.-H. Yoon, and J. C. Kim, Jpn. J. Appl. Phys. 42, 5127 (2003) https://doi.org/10.1143/JJAP.42.5127
  7. J. C. Kim, H. W. Do, C. G. Jhun, K.-H. Park, J. S. Gwag, G. D. Lee, and T.-H. Yoon, Proc. SPIE (2004) p. 188
  8. J. W. Ryu, Y. J. Lim, Y. H. Jeong, K. Kim, G.-D. Lee, and S. H. Lee, Jpn. J. Appl. Phys. 46, 5951 (2007) https://doi.org/10.1143/JJAP.46.5951
  9. S. H. Hong, Y. H. Jeong, H. Y. Kim and S. H. Lee, Jpn. J. Appl. Phys. 40, L272 (2001) https://doi.org/10.1143/JJAP.40.L272
  10. W. C. Kim, Y. H. Jeong, and S. H. Lee, Jpn. J. Appl. Phys. 43, 637 (2004) https://doi.org/10.1143/JJAP.43.637
  11. J.-I. Baek, K.-H. Kim, J. C. Kim, and T.-H. Yoon, SID Int. Symp. Dig. Tech. Pap. (2008), p. 1846
  12. J.-I. Baek, Y.-H. Kwon, J. C. Kim, and T.-H. Yoon, ADMD Int. Symp. Dig. Tech. Pap. (2007), p. 95
  13. J.-I. Baek, K.-H. Kim, J. C. Kim, and T.-H. Yoon, Mol. Cryst. Liq. Cryst. (to be published). https://doi.org/10.1080/15421400903112044