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Uniformity in Bias Tilt for Nematics Oriented by Polyvinyl Alcohol Surface Layers

Kutty, TRN (1984) Uniformity in Bias Tilt for Nematics Oriented by Polyvinyl Alcohol Surface Layers. In: Molecular Crystals and Liquid Crystals, 102 (6-7). pp. 167-174.

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Uniformity in bias tilt, for the polyvinyl alcohol(PVA)surface layer induced orientation of nematic liquid crystals, could be achieved for large area display panels, if one of the transparent electrodes is first directionally rubbed with fine abrasive; then both the electrodes coated with PVA, followed by directionally buffing the chemisorbed layers in the same direction. Uniformity may be due to increased 'train' configuration of the adsorbed macromolecule by falling on to microgrooves and maintaining the same sense of asymmetry for the looped segments.

Item Type: Journal Article
Publication: Molecular Crystals and Liquid Crystals
Publisher: Taylore and Francis
Additional Information: Copyright of this article belongs to Taylore and Francis.
Keywords: Organic compounds ; Liquid crystals ; Molecular orientation ; Nematic state ; Surfactant ; Experimental study ;
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Date Deposited: 03 Feb 2010 08:55
Last Modified: 03 Feb 2010 08:55
URI: http://eprints.iisc.ac.in/id/eprint/20201

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