Abstract

In this paper, we propose an in-plane switching (IPS) mode for liquid crystal displays (LCDs) that, in principle, is free of retardation of the LC cell. Basically, the optical configuration of the LC cell consists of an A-plate and an LC layer for switching between the dark and bright states. We could achieve a fast response time compared with the conventional in-plane LC cell because the free retardation condition of the proposed LC cell enables us to reduce the cell gap even by quarter-wave retardation without any change of the optimized LC material in the transmissive mode. Experiments for verification of the proposed in-plane switching LC cells have shown a significant reduction of the rising time and falling time simultaneously due to the small cell gap. Furthermore, we also proposed an optical configuration for wide viewing property of the retardation free IPS LCD by applying the optical films. We proved the wide-view property of the retardation free IPS LCD by comparing its optical luminance with the calculated optical property of the conventional IPS LCD.

© 2011 Optical Society of Korea

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  1. M. Oh-e and K. Kondo, "Electro-optical characteristics and switching behavior of the in-plane switching mode," Appl. Phys. Lett. 67, 3895-3897 (1995).
    [Crossref]
  2. A. Takeda, S. Kataoka, T. Sasaki, H. Chida, H. Tsuda, K. Ohmuro, Y. Koike, T. Sasabayashi, and K. Okamoto, "A superhigh-image-quality multi-domain vertical alignment LCD by new rubbing-less technology," in Proc. SID"98 Dig. (San Francisco, CA, USA, May 1998), pp. 1077-1080.
  3. K. H. Kim, K. H. Lee, S. B. Park, J. K. Song, S. N. Kim, and J. H. Souk, "Domain divided vertical alignment mode with optimized fringe field effect," in Proc. 18th Int. Display Research Conf. (Asia Display "98) (Seoul, Korea,1998), pp. 383-386.
  4. D. S. Seo and J. H. Lee, "Wide viewing angle and fast response time characteristics of nematic liquid crystal using novel <TEX>$vertical-alignment-1/4{\pi}$</TEX> cell mode on homeotropic alignment layer," Jpn. J. Appl. Phys. 38, 1432-1434 (1999).
    [Crossref]
  5. Kim, J. H. Son, J. J. Ryu, K. H. Kim, and S. H. Lee, "New vertical alignment liquid crystal device with fast response time and small color shift," in Proc. IDRC"08 (Orlando, FL, USA, Nov. 2008), pp. 246-248.
  6. H. K. Hong and M. J. Lim, "Response time characteristics of optical shutter of vertical alignment liquid crystal cell for obliquely incident light," Liquid Crystals 36, 109-113 (2009).
    [Crossref]
  7. P. Yeh and C. Gu, Optics of Liquid Crystal Displays (Wiley, New York, USA, 1999).
  8. Y. Saitoh, S. Kimura, K. Kusafuka, and H. Shimizu, "Optimum film compensation of viewing angle of contrast in in-planeswitching-mode liquid crystal display," Jpn. J. Appl. Phys. 37, 4822-4828 (1998).
    [Crossref]
  9. X. Zhu, Z. Ge, and S.-T. Wu, "Analytical solution for uniaxialfilm- compensated wide-view liquid crystal display," J. Dis. Technol. 2, 2-20 (2006).
    [Crossref]
  10. D.-K. Yang and S.-T. Wu, Fundamentals of Liquid Crystal Devices (Wiley, Chichester, UK, 2006).

2009 (1)

H. K. Hong and M. J. Lim, "Response time characteristics of optical shutter of vertical alignment liquid crystal cell for obliquely incident light," Liquid Crystals 36, 109-113 (2009).
[Crossref]

2008 (1)

Kim, J. H. Son, J. J. Ryu, K. H. Kim, and S. H. Lee, "New vertical alignment liquid crystal device with fast response time and small color shift," in Proc. IDRC"08 (Orlando, FL, USA, Nov. 2008), pp. 246-248.

2006 (2)

X. Zhu, Z. Ge, and S.-T. Wu, "Analytical solution for uniaxialfilm- compensated wide-view liquid crystal display," J. Dis. Technol. 2, 2-20 (2006).
[Crossref]

D.-K. Yang and S.-T. Wu, Fundamentals of Liquid Crystal Devices (Wiley, Chichester, UK, 2006).

1999 (2)

P. Yeh and C. Gu, Optics of Liquid Crystal Displays (Wiley, New York, USA, 1999).

D. S. Seo and J. H. Lee, "Wide viewing angle and fast response time characteristics of nematic liquid crystal using novel <TEX>$vertical-alignment-1/4{\pi}$</TEX> cell mode on homeotropic alignment layer," Jpn. J. Appl. Phys. 38, 1432-1434 (1999).
[Crossref]

1998 (3)

A. Takeda, S. Kataoka, T. Sasaki, H. Chida, H. Tsuda, K. Ohmuro, Y. Koike, T. Sasabayashi, and K. Okamoto, "A superhigh-image-quality multi-domain vertical alignment LCD by new rubbing-less technology," in Proc. SID"98 Dig. (San Francisco, CA, USA, May 1998), pp. 1077-1080.

K. H. Kim, K. H. Lee, S. B. Park, J. K. Song, S. N. Kim, and J. H. Souk, "Domain divided vertical alignment mode with optimized fringe field effect," in Proc. 18th Int. Display Research Conf. (Asia Display "98) (Seoul, Korea,1998), pp. 383-386.

Y. Saitoh, S. Kimura, K. Kusafuka, and H. Shimizu, "Optimum film compensation of viewing angle of contrast in in-planeswitching-mode liquid crystal display," Jpn. J. Appl. Phys. 37, 4822-4828 (1998).
[Crossref]

1995 (1)

M. Oh-e and K. Kondo, "Electro-optical characteristics and switching behavior of the in-plane switching mode," Appl. Phys. Lett. 67, 3895-3897 (1995).
[Crossref]

Appl. Phys. Lett. (1)

M. Oh-e and K. Kondo, "Electro-optical characteristics and switching behavior of the in-plane switching mode," Appl. Phys. Lett. 67, 3895-3897 (1995).
[Crossref]

J. Dis. Technol. (1)

X. Zhu, Z. Ge, and S.-T. Wu, "Analytical solution for uniaxialfilm- compensated wide-view liquid crystal display," J. Dis. Technol. 2, 2-20 (2006).
[Crossref]

Jpn. J. Appl. Phys. (2)

D. S. Seo and J. H. Lee, "Wide viewing angle and fast response time characteristics of nematic liquid crystal using novel <TEX>$vertical-alignment-1/4{\pi}$</TEX> cell mode on homeotropic alignment layer," Jpn. J. Appl. Phys. 38, 1432-1434 (1999).
[Crossref]

Y. Saitoh, S. Kimura, K. Kusafuka, and H. Shimizu, "Optimum film compensation of viewing angle of contrast in in-planeswitching-mode liquid crystal display," Jpn. J. Appl. Phys. 37, 4822-4828 (1998).
[Crossref]

Liquid Crystals (1)

H. K. Hong and M. J. Lim, "Response time characteristics of optical shutter of vertical alignment liquid crystal cell for obliquely incident light," Liquid Crystals 36, 109-113 (2009).
[Crossref]

Proc. 18th Int. Display Research Conf. (Asia Display '98) (1)

K. H. Kim, K. H. Lee, S. B. Park, J. K. Song, S. N. Kim, and J. H. Souk, "Domain divided vertical alignment mode with optimized fringe field effect," in Proc. 18th Int. Display Research Conf. (Asia Display "98) (Seoul, Korea,1998), pp. 383-386.

Proc. IDRC'08 (1)

Kim, J. H. Son, J. J. Ryu, K. H. Kim, and S. H. Lee, "New vertical alignment liquid crystal device with fast response time and small color shift," in Proc. IDRC"08 (Orlando, FL, USA, Nov. 2008), pp. 246-248.

Proc. SID'98 Dig. (1)

A. Takeda, S. Kataoka, T. Sasaki, H. Chida, H. Tsuda, K. Ohmuro, Y. Koike, T. Sasabayashi, and K. Okamoto, "A superhigh-image-quality multi-domain vertical alignment LCD by new rubbing-less technology," in Proc. SID"98 Dig. (San Francisco, CA, USA, May 1998), pp. 1077-1080.

Other (2)

P. Yeh and C. Gu, Optics of Liquid Crystal Displays (Wiley, New York, USA, 1999).

D.-K. Yang and S.-T. Wu, Fundamentals of Liquid Crystal Devices (Wiley, Chichester, UK, 2006).

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