Abstract

Three types of LC materials with isothiocyanate tolane group were prepared via couple and electronation reaction.These LCs exhibit a high birefringence,and the Δn increased with conjugation length of π-electron,the maximal value among these LCs was 0.576.When these LCs were mixed in the commercial alkyne LCs respectively,the response performance of the device could be improved.These data demonstrates that the isothiocyanate tolane LCs have high Δn and low rotational viscosity,which can be used in the device of LC spatial modulator.

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