Title

Macroscopic Model For Analyzing The Electro-Optics Of Uniform Lying Helix Cholesteric Liquid Crystals

Abstract

A macroscopic model is developed for analyzing the electro-optics of short-pitch uniform lying helix (ULH) cholesteric liquid crystals (CLCs). Both flexoelectric effect and dielectric effect make important contributions to the maximum transmittance and operation voltage of the ULH devices. Based on the proposed macroscopic approximation, we derive an analytical expression to quantitatively evaluate the relative strength of these two effects. Very good agreement between theory and experiment is achieved. We also investigate the viewing angle of ULH CLC displays and find that their viewing angle characteristics are similar to those of conventional in-plane switching liquid crystal displays.

Publication Date

5-7-2017

Publication Title

Journal of Applied Physics

Volume

121

Issue

17

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1063/1.4982761

Socpus ID

85018948903 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/85018948903

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