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An O-plate compensated in-plane switching liquid crystal display

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3 Author(s)
R. Lu ; Coll. of Opt. & Photonics, Univ. of Central Florida, Orlando, FL, USA ; Qi Hong ; S. -T. Wu

Pretilt angle effect on the dark-state light leakage and viewing angle of in-plane switching (IPS) liquid crystal display is investigated. As the liquid crystal (LC) pretilt angle increases, the light leakage becomes more severe and the off-axis light leakage from the out-of-plane LC directors cannot be neglected. Introducing an oblique compensation plate (O-plate) reduces the off-axis light leakages from the crossed linear polarizers and the anisotropic LC media simultaneously which, in turn, improves the viewing angle of the IPS LCD

Published in:

Journal of Display Technology  (Volume:2 ,  Issue: 3 )