Campoli, Federico and Beccherelli, Romeo and d'Alessandro, Antonio and Ferrara, Vincenzo and Galloppa, A. and Padelletti, Giuseppina and Petrocco, S. and Maltese, Paolo (1997) Use of PTFE alignment layers in passive addressed SSFLC Displays. Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals, 304. pp. 357-362. ISSN 1058-725X
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Abstract
Polytetrafluoroethylene (PTFE or Teflon@) layers have been developed as orientation films in order to produce ferroelectric liquid crystals displays with improved addressing behaviour. PTFE layers have been friction deposited on glass substrate with IT0 electrodes at various temperatures in the range 130 "C-200 "C. The PTFE layers have been used to assemble displays which were addressed and showed no hysteresis, reduced image sticking and reduced switching time with respect to standard test cells employing rubbed polymers as alignment layers. In order to assure the best electro-optical performance, PTFE films have been characterized from the point of view of uniformity and thickness as function of deposition parameters.
| 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: | 08 Mar 2013 15:36 |
| Last Modified: | 08 Mar 2013 15:36 |
| URI: | http://eprints.bice.rm.cnr.it/id/eprint/4527 |
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