NDLI: Macroscopic model for analyzing the electro-optics of uniform lying helix cholesteric liquid crystals

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Macroscopic model for analyzing the electro-optics of uniform lying helix cholesteric liquid crystals

Content Provider	Semantic Scholar
Author	Tan, Guanjun Lee, Yun-Han Gou, Fangwang Hu, Minggang Lan, Yi-Fen Tsai, Cheng-Yeh Wu, Shin-Tson
Copyright Year	2017
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.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.
Starting Page	173102
Ending Page	173102
Page Count	1
File Format	PDF HTM / HTML
DOI	10.1063/1.4982761
Alternate Webpage(s)	http://www.creol.ucf.edu/Research/Publications/11667.pdf
Alternate Webpage(s)	https://doi.org/10.1063/1.4982761
Volume Number	121
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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