Fringe optical distortion of LCD pixels

Veaceslav L. Aristov; S. P. Kurchatkin; M. V. Mitrokhin; V. P. Sevostyanov

doi:10.1117/12.300039

1 February 1998 Fringe optical distortion of LCD pixels

Veaceslav L. Aristov, S. P. Kurchatkin, M. V. Mitrokhin, V. P. Sevostyanov

Proceedings Volume 3318, Liquid Crystals: Physics, Technology, and Applications; (1998) https://doi.org/10.1117/12.300039
Event: Liquid Crystals, 1997, Zakopane, Poland

Abstract

Starting from viewpoint of optical losses the electro-optic effect of TN and smectic A displays are analyzed. It has been found that the general optical leakage arises due to the fringe distortion. The fringe distortions form as an inevitable result of a spatially nonuniform fields, the pixel electrode structure and the matrix addressing. The lateral field existing in the On state of a liquid crystal display (LCD) can result in an undesired light-scattering domain in each pixel and lead to poor contrast ratio of the display. The shape, the boundary and the localization of the director distortion areas of S_A LCD have been known experimentally. The total leakages increase for high- information-content LCD. The optical leakages are found to depend on the 'own' memory of S_A-medium.

Citation Download Citation

Veaceslav L. Aristov, S. P. Kurchatkin, M. V. Mitrokhin, and V. P. Sevostyanov "Fringe optical distortion of LCD pixels", Proc. SPIE 3318, Liquid Crystals: Physics, Technology, and Applications, (1 February 1998); https://doi.org/10.1117/12.300039

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