| Summary: | 碩士 === 國立交通大學 === 應用化學系 === 83 === The goal of study is to present the synthesis of two series of
diphenyldiacetylene andtolaneliguid crystals with lateral
fluoro-substituents.The obtained liguid crystals which are
expected to exhibited a high birefrigence,negative dielectric
anisotropy,low phase transition temperature and temperature and
low viscosity,areparticularly attractive for the liquid crystal
display with prependicular alignment. The obtained compounds
are characterized by differential scanninning calometry and
optical microscopy.These compounds will find useful application
in a liquid crystal display which has a perpendicular alignment.
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