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Liquid crystals based on 2‐fluoropyrimidine and ‐pyridine: synthesis, dielectric anisotropy and phase behavior *
Author(s) -
Bremer Matthias
Publication year - 1995
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.19950071012
Subject(s) - mesogen , materials science , mesophase , liquid crystal , anisotropy , dielectric , polar , liquid crystal display , pyridine , phase (matter) , power consumption , optoelectronics , chemical engineering , power (physics) , crystallography , organic chemistry , optics , liquid crystalline , thermodynamics , chemistry , physics , astronomy , engineering
Polar liquid crystals with strongly positive dielectric anisotropies are of continuing interest to the display industry because they help to lower both the operating voltage and the total power consumption of LCDs in portable devices. Fluorinated heterocyclic materials (Figure, right, where MG is a mesogenic group) are shown here to exhibit improved mesophase properties and higher dielectric anisotropies than commonly used materials based on carbocyclic structures (Figure, left).