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5. Liquid crystal selection
5.1 Synthesis of liquid crystal molecules
The search for new products began in the 1960s as a result of the industrial interest aroused by the first displays. The first liquid crystals with a nematic phase at room temperature were Schiff bases, whose representative product was MBBA (4-methoxy-benzylidene-4'-butyl aniline, synthesized in 1969 by Hans Kelker for Hoechst). These products were rapidly replaced by phenylbenzoates.
Focusing on components with high positive dielectric anisotropy, George Gray created cyanobiphenyls in 1970. These products were among the first liquid...
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Liquid crystal selection
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Two major exhibitions and conferences are organized each year, bringing together the major producers of liquid crystals and displays: the Society for Information Display (SID) in the USA, and IMID (International Meeting on Information Displays) in Asia.
Two other biennial conferences are organized in turn: European Conference on Liquid Crystals, organized in 2011 in Maribor
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