Low driving voltage reverse-mode polymer-stabilised cholesteric liquid crystal devices using small phenylacetylene molecule

Polymer-stabilised liquid crystal devices have found widespread use in intelligent displays and dimming glass applications, but their high driving voltage induces high power consumption and needs to be reduced. In this paper, we use several small phenylacetylene molecule materials with linear struct...

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Published in:Liquid crystals 2024-02, Vol.51 (3), p.442-451
Main Authors: Yin, Shiwen, Li, Xiaoshuai, Ge, Shimeng, Zhao, Yunlu, Ma, Hongmei, Sun, Yubao
Format: Article
Language:English
Subjects:
Cholesteric liquid crystals
Crystals
Dimming
driving voltage
Electric potential
electro-optical property
Optical properties
polymer network
Polymers
Power consumption
Reverse-mode polymer-stabilised cholesteric liquid crystal
Voltage
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cited_by cdi_FETCH-LOGICAL-c338t-d9c5ca75b4e6dc40aafd24a50cec7062f089fa94b2aa36c1aed97e24be06c8583
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container_end_page 451
container_issue 3
container_start_page 442
container_title Liquid crystals
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creator Yin, Shiwen
Li, Xiaoshuai
Ge, Shimeng
Zhao, Yunlu
Ma, Hongmei
Sun, Yubao
description Polymer-stabilised liquid crystal devices have found widespread use in intelligent displays and dimming glass applications, but their high driving voltage induces high power consumption and needs to be reduced. In this paper, we use several small phenylacetylene molecule materials with linear structures to reduce the driving voltage and obtain a high contrast ratio in reverse-mode polymer-stabilised cholesteric liquid crystals (RPSCLC). In particular, the drive voltage of the 8-micron-thick sample was reduced by nearly 40%, and the 20-micron-thick sample was reduced by nearly 45%. Additionally, we explore the physical mechanism through which various small phenylacetylene molecule materials improve the electro-optical properties, based on polymer network morphology effects. The results will be of great value for enhancing the use of RPSCLC devices.
doi_str_mv 10.1080/02678292.2024.2302454
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subjects Cholesteric liquid crystals
Crystals
Dimming
driving voltage
Electric potential
electro-optical property
Optical properties
polymer network
Polymers
Power consumption
Reverse-mode polymer-stabilised cholesteric liquid crystal
Voltage
title Low driving voltage reverse-mode polymer-stabilised cholesteric liquid crystal devices using small phenylacetylene molecule
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