Measurements of image sticking and hysteresis in SSFLC cells

Maltese, Paolo and Beccherelli, Romeo and Bernardini, Fabrizio and Wnȩk, Maciej and Zuliani, F. (1996) Measurements of image sticking and hysteresis in SSFLC cells. Ferroelectrics, 178. pp. 27-39. ISSN 0015-0193

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Abstract

In order to evaluate the switching properties of FLC mixtures in their relation to addressing waveforms, alignment layers and general cell construction we have built an experimental setup which allows for dynamic measurements of the optical response of a test cell under real addressing conditions. In synchronisation with a selection voltage different data pulses can be sequentially applied and the corresponding optical response of a test cell can be recorded under computer control. Thank to this equipment we are able to record hysteresis curves of the response. On this basis we introduce some useful parameters (switching amplitude, image sticking) which can be measured and compared for different cells. The setup can provide several selection and data waveforms so that influence of their choice can also be studied.

Item Type:	Article
Subjects:	600 Tecnologia - Scienze applicate > 620 Ingegneria e attivita' affini > 621 Fisica applicata; Ingegneria meccanica > 621.3 Ingegneria elettrotecnica; Illuminazione; Superconduttivita'; Ingegneria magnetica; Ottica applicata; Tecnologia parafotica; Elettronica; Ingegneria delle comunicazioni; Elaboratori
Depositing User:	Chiara D'Arpa
Date Deposited:	11 Jan 2013 11:26
Last Modified:	11 Jan 2013 11:26
URI:	http://eprints.bice.rm.cnr.it/id/eprint/4485

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