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24 April 1995Liquid crystals for advanced display applications
Liquid crystal displays (LCDs) have become, in the last decade, the most significant and fastest growing category of advanced display technology. The operability of LCDs is essentially determined by the liquid crystal material properties. Since the material parameters of liquid crystals are the result of their molecular properties amplified by their long range molecular interactions, the proper application design of liquid crystalline molecules is crucial. This paper contains a review in the molecular design of nematic liquid crystals for active matrix displays (AMLCDs), thin-film-transistor polymer dispersed liquid crystal displays (TFT-PDLCD) and supertwisted-nematic liquid crystal displays (STN-LCDs). The relationship between the physico-chemical properties of the nematic liquid crystalline phase and the structural features of their mesogenic molecules experimentally obtained are discussed in terms of existent theories.