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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 16 — Jun. 1, 2008
  • pp: 3041–3047

Fringe field switching of a twisted nematic liquid crystal device for a single-cell-gap transflective display

Gak Seok Lee, Jeong Hyun Lee, Dong Han Song, Jae Chang Kim, Tae-Hoon Yoon, Dae Lim Park, Seong Soo Hwang, Dae Hyun Kim, and Sung Il Park  »View Author Affiliations


Applied Optics, Vol. 47, Issue 16, pp. 3041-3047 (2008)
http://dx.doi.org/10.1364/AO.47.003041


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Abstract

We propose an optical configuration of a twisted nematic liquid crystal device driven by a fringe field for a single-cell-gap transflective display. The dark state of the reflective part is realized by a nematic liquid crystal layer with a twist angle of 63.6 ° and retardation of 194 nm , while a quarter-wave plate is inserted for the dark state of the transmissive part. Wavelength dispersion of the liquid crystal layer is suppressed by introducing a half-wave plate. Different directions of electric fields rotate liquid crystals to 15 ° for the bright state of the reflective part, but to 30 ° for that of the transmissive part. With the proposed configuration, we can realize a high-brightness single-gamma transflective display in a single-cell-gap structure without any in-cell retardation layers.

© 2008 Optical Society of America

OCIS Codes
(230.0230) Optical devices : Optical devices
(230.3720) Optical devices : Liquid-crystal devices

ToC Category:
Optical Devices

History
Original Manuscript: February 28, 2008
Revised Manuscript: April 14, 2008
Manuscript Accepted: April 29, 2008
Published: May 26, 2008

Citation
Gak Seok Lee, Jeong Hyun Lee, Dong Han Song, Jae Chang Kim, Tae-Hoon Yoon, Dae Lim Park, Seong Soo Hwang, Dae Hyun Kim, and Sung Il Park, "Fringe field switching of a twisted nematic liquid crystal device for a single-cell-gap transflective display," Appl. Opt. 47, 3041-3047 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-16-3041

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