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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 5 — Mar. 1, 2013
  • pp: 799–801

Optical approach to improve the γ curve in a vertical-alignment liquid-crystal cell

Byung-June Mun, Tae Young Jin, Gi-Dong Lee, Young Jin Lim, and Seung Hee Lee  »View Author Affiliations


Optics Letters, Vol. 38, Issue 5, pp. 799-801 (2013)
http://dx.doi.org/10.1364/OL.38.000799


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Abstract

In this Letter, we propose an optical configuration of a four-domain vertical-alignment (VA) liquid-crystal (LC) cell, which can improve the γ-curve distortion by using a pair of patterned A plates, without any change in cell structure. In order to find the optimal parameter value of the patterned A film, we calculated the polarization difference between the normal direction and the all-viewing direction as functions of the optical axes and the retardation (Δnd) under the voltage applied state. Based on the calculated results, the proposed LC cell showed an improvement in γ-curve distortion of more than 80% in each oblique viewing angle compared to a conventional wide-view VA LC cell, without any loss of optical performance in the dark state.

© 2013 Optical Society of America

OCIS Codes
(230.2090) Optical devices : Electro-optical devices
(230.3720) Optical devices : Liquid-crystal devices

ToC Category:
Optical Devices

History
Original Manuscript: December 11, 2012
Manuscript Accepted: January 24, 2013
Published: March 1, 2013

Citation
Byung-June Mun, Tae Young Jin, Gi-Dong Lee, Young Jin Lim, and Seung Hee Lee, "Optical approach to improve the γ curve in a vertical-alignment liquid-crystal cell," Opt. Lett. 38, 799-801 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-5-799


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