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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 17 — Aug. 18, 2008
  • pp: 13276–13286

Optically compensated circular polarizers for liquid crystal displays

Chi-Huang Lin  »View Author Affiliations

Optics Express, Vol. 16, Issue 17, pp. 13276-13286 (2008)

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An optical compensation principle of the crossed circular polarizers is developed to widen the viewing angle of high-transmittance multi-domain vertical-alignment liquid crystal displays (MVA-LCDs). The optical properties of a biaxial film are analyzed by the Berreman 4×4 matrix method, and the analytical solution for the slow-axis orientation of a biaxial film is calculated to obtain the compensation principle of the crossed circular polarizers. Based on this compensation principle, the high-transmittance MVA-LCD theoretically has a complete 80° viewing cone for contrast ratio (CR)>100:1 and experimental results reveal that the compensated high-transmittance MVA-LCD can achieve a viewing angle of over the entire 80° viewing cone for CR>20:1. Practical application as a mobile display is emphasized.

© 2008 Optical Society of America

OCIS Codes
(230.3720) Optical devices : Liquid-crystal devices
(260.5430) Physical optics : Polarization

ToC Category:
Optical Devices

Original Manuscript: June 23, 2008
Revised Manuscript: August 7, 2008
Manuscript Accepted: August 11, 2008
Published: August 13, 2008

Chi-Huang Lin, "Optically compensated circular polarizers for liquid crystal displays," Opt. Express 16, 13276-13286 (2008)

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