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Fountain fringe field switching (FFFS) for wide viewing angle LCDs
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- Komitov, Lachezar, 1944 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU)
- Barbero, G. (author)
- Ibn Elhaj, M. (author)
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- Morawiak, P. (author)
- Piecek, W. (author)
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- (creator_code:org_t)
- 2022-02-04
- 2022
- English.
- In: Journal of Physics D: Applied Physics. - : IOP Publishing. - 0022-3727 .- 1361-6463. ; 55:18
- Journal article (peer-reviewed)
Abstract
Subject headings
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- To reduce or completely remove the viewing angle dependence of liquid crystal (LC) displays and devices, we have recently introduced a new electrode structure for LC displays. This electrode structure has openings (holes) in the pixel electrode (PixE) for generating fringe electric field with azimuthal degenerated distribution of the field lines around each hole, resembling a fountain. Such a field is promoting azimuthally degenerated switching of the LC molecules and thus generation of images with 360° viewing angle constant contrast when a pair of crossed circular polarisers are used. A theoretical model of the fountain fringe field, generated around a single circular hole and plurality of such holes in the PixE, is presented. © 2022 The Author(s). Published by IOP Publishing Ltd.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- fountain fringe field
- perforated electrode
- wide azimuthal viewing angle
- Crystal structure
- Electric fields
- Electric lines
- Fountains
- Freezing
- Liquid crystal displays
- Nematic liquid crystals
- Electrode structure
- Fringe fields
- Fringe-field switching
- Liquid-crystal display
- Pixel electrodes
- Viewing angle
- Wide viewing angle
- Electrodes
Publication and Content Type
- ref (subject category)
- art (subject category)
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- University of Gothenburg
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