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Molecular Crystals and Liquid Crystals Volume 433, 2005 - Issue 1
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Original Articles

The Role of Alignment Layers on the Induced Relaxation of Passively Multiplexed Antiferroelectric Liquid Crystal Displays

Pilar López Del Castillo Dpt. Tecnología Fotónica ETSI Telecomunicación, Universidad Politécnica de Madrid, Ciudad Universitaria, Madrid, Spain
,
Xabier Quintana Dpt. Tecnología Fotónica ETSI Telecomunicación, Universidad Politécnica de Madrid, Ciudad Universitaria, Madrid, Spain
,
Morten A. Geday Dpt. Tecnología Fotónica ETSI Telecomunicación, Universidad Politécnica de Madrid, Ciudad Universitaria, Madrid, Spain
,
José M. Otón Dpt. Tecnología Fotónica ETSI Telecomunicación, Universidad Politécnica de Madrid, Ciudad Universitaria, Madrid, SpainCorrespondence[email protected]
,
Roman Dąbrowski Institute of Chemistry, Military University of Technology, Warsaw, Poland
&
Przemisław Kula Institute of Chemistry, Military University of Technology, Warsaw, Poland
Pages 207-216 | Published online: 31 Aug 2006
 
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ABSTRACT

We have investigated the static and dynamic electrooptical effects of adding an alignment layer derived from a chiral liquid crystal having SmC* and N* phases to the standard polymer alignment layer in antiferroelectric liquid crystal cells. Our results show that the added layer reduces the relaxation time of the liquid crystal, the threshold voltage and the dynamic range required to generate a full greyscale. The electrooptical response of materials was tested using a 7 level waveform, and the relaxation was studied using a novel memory test.

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