Fluorinated diphenyl-diacetylene and tolane liquid crystals with low threshold voltage

Shin Tson Wu*, Chain-Shu Hsu, Yee Nan Chen, Show Ru Wang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

Several new fluoro-alkoxy and alkenyloxy (alkoxy with a carbon-carbon double bond) diphenyl-diacetylene and tolane liquid crystals are synthesized and their physical properties evaluated. Double bond position is found to make a pronounced effect on elastic constant, phase transition temperature and heat fusion enthalpy, but little change on birefringence, dielectric anisotropy, and viscosity. These compounds exhibit a high birefringence, low viscosity, and low threshold voltage, and are particularly attractive for infrared light valves and polymer-dispersed liquid crystal displays.

Original languageEnglish
Pages (from-to)2275-2277
Number of pages3
JournalApplied Physics Letters
Volume61
Issue number19
DOIs
StatePublished - 1 Dec 1992

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