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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 51, Iss. 12 — Apr. 20, 2012
  • pp: 2178–2182

Long memory retention time and high contrast ratio in a tristate liquid crystal display device

Taehyung Kim, Joong Ha Lee, Byung Wok Park, Ki-Han Kim, Tae-Hoon Yoon, and Suk-Won Choi  »View Author Affiliations


Applied Optics, Vol. 51, Issue 12, pp. 2178-2182 (2012)
http://dx.doi.org/10.1364/AO.51.002178


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Abstract

We propose a method to obtain long memory retention time and high contrast ratio in a tristate liquid crystal display device. The proposed device has three unique liquid crystal (LC) states that are known as splay, π twist, and bend, with different operating schemes for the two modes of operation, which are the memory (M) mode or dynamic (D) mode. A form of selective vertical or horizontal switching changes the optically compensated π twist LC as a common black state in both the M and D modes into a bend LC state for the D mode or into the splay LC state for the M mode, respectively.

© 2012 Optical Society of America

OCIS Codes
(120.2040) Instrumentation, measurement, and metrology : Displays
(230.3720) Optical devices : Liquid-crystal devices

ToC Category:
Optical Devices

History
Original Manuscript: January 5, 2012
Revised Manuscript: February 28, 2012
Manuscript Accepted: February 28, 2012
Published: April 20, 2012

Citation
Taehyung Kim, Joong Ha Lee, Byung Wok Park, Ki-Han Kim, Tae-Hoon Yoon, and Suk-Won Choi, "Long memory retention time and high contrast ratio in a tristate liquid crystal display device," Appl. Opt. 51, 2178-2182 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-12-2178

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