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Liquid Crystals Volume 47, 2020 - Issue 4
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Article

The effect of chiral dopant on the rewriting speed of optically driving liquid crystal display

J. T. SunCollege of Information Science and Technology, Donghua University, Shanghai, P.R. China;Engineering Research Centerof Digitized Texture and Fashion Technology, Donghua University, Shanghai, P.R. ChinaView further author information
,
K. L. DengCollege of Information Science and Technology, Donghua University, Shanghai, P.R. China;Engineering Research Centerof Digitized Texture and Fashion Technology, Donghua University, Shanghai, P.R. ChinaView further author information
,
J. X. SangCollege of Information Science and Technology, Donghua University, Shanghai, P.R. China;Engineering Research Centerof Digitized Texture and Fashion Technology, Donghua University, Shanghai, P.R. ChinaView further author information
,
X. H. GongCollege of Information Science and Technology, Donghua University, Shanghai, P.R. China;Engineering Research Centerof Digitized Texture and Fashion Technology, Donghua University, Shanghai, P.R. ChinaView further author information
,
Y. LiuCollege of Information Science and Technology, Donghua University, Shanghai, P.R. China;Engineering Research Centerof Digitized Texture and Fashion Technology, Donghua University, Shanghai, P.R. ChinaCorrespondence[email protected]
ORCID Iconhttps://orcid.org/0000-0002-1964-8558View further author information
ORCID Icon,
J. H. ShangCollege of Information Science and Technology, Donghua University, Shanghai, P.R. China;Engineering Research Centerof Digitized Texture and Fashion Technology, Donghua University, Shanghai, P.R. ChinaView further author information
,
H. LiuCollege of Information Science and Technology, Donghua University, Shanghai, P.R. China;Engineering Research Centerof Digitized Texture and Fashion Technology, Donghua University, Shanghai, P.R. ChinaView further author information
,
Y. H. ZhangCollege of Information Science and Technology, Donghua University, Shanghai, P.R. China;Engineering Research Centerof Digitized Texture and Fashion Technology, Donghua University, Shanghai, P.R. ChinaView further author information
,
Q. GuoSchool of Instrumentation Science and Opto-electronics Engineering, BeihangUniversity, Beijing, P.R. ChinaORCID Iconhttps://orcid.org/0000-0003-1936-195XView further author information
ORCID Icon &
V.G. ChigrinovSchool of Physics and Optoelectronic Engineering, Foshan University, Guangdong, P.R. ChinaView further author information
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Pages 516-521 | Received 19 Apr 2019, Accepted 27 Aug 2019, Published online: 05 Sep 2019
 
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ABSTRACT

Mixing liquid crystal with chiral dopant for increasing the response speed of optical driving liquid crystal display was investigated in this paper. It is demonstrated that by adding chiral dopant, rewriting time could be decreased from 30 s to 20 s with good repeatability. Without adding other steps in the process of making cells, this improvement is due to the stronger elastic energymaking LC molecules twist more easily.

Graphical abstract

Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

This work was supported by the the fundamental research funds for the central universities [2232018G-09, 2232017D-10, 2232018D3-29]; Shanghai Sailing Program [18YF1400900]; fundamental research funds for young professors at Donghua University [104-07-0053027]; the national natural science foundation of China (NSFC) [18K10454].

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