Reflective display devices using twisted-alignment guest-host liquid crystal with low refractive index anisotropy

Takaaki Suzuki; Hideo Fujikake; Takeshi Murashige; Hiroto Sato; Hiroshi Kikuchi; Taiichiro Kurita; Fumio Sato

doi:10.3169/itej.59.638

Reflective display devices using twisted-alignment guest-host liquid crystal with low refractive index anisotropy

Takaaki Suzuki, Hideo Fujikake, Takeshi Murashige, Hiroto Sato, Hiroshi Kikuchi, Taiichiro Kurita, Fumio Sato

Research output: Contribution to journal › Article › peer-review

Abstract

We fabricated reflective display devices using twisted-alignment guest-host liquid crystal with low refractive index anisotropy and evaluated their electro-optic properties. The dark state reflectance of the devices was reduced to 1/3 by using the liquid crystal (containing dichroic dye) with low refractive index anisotropy. The bright state reflectance could keep more than 50% by using liquid crystal with a high alignment order parameter. These results indicated that high-contrast reflective display devices can be made using a liquid crystal material with low refractive index anisotropy and a high order parameter.

Original language	English
Pages (from-to)	638-642
Number of pages	5
Journal	Kyokai Joho Imeji Zasshi/Journal of the Institute of Image Information and Television Engineers
Volume	59
Issue number	4
DOIs	https://doi.org/10.3169/itej.59.638
Publication status	Published - 2005 Apr
Externally published	Yes

ASJC Scopus subject areas

Media Technology
Computer Science Applications
Electrical and Electronic Engineering

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10.3169/itej.59.638

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Reflective display devices using twisted-alignment guest-host liquid crystal with low refractive index anisotropy. / Suzuki, Takaaki; Fujikake, Hideo; Murashige, Takeshi et al.

In: Kyokai Joho Imeji Zasshi/Journal of the Institute of Image Information and Television Engineers, Vol. 59, No. 4, 04.2005, p. 638-642.

Research output: Contribution to journal › Article › peer-review

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AU - Kikuchi, Hiroshi

AU - Kurita, Taiichiro

AU - Sato, Fumio

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AB - We fabricated reflective display devices using twisted-alignment guest-host liquid crystal with low refractive index anisotropy and evaluated their electro-optic properties. The dark state reflectance of the devices was reduced to 1/3 by using the liquid crystal (containing dichroic dye) with low refractive index anisotropy. The bright state reflectance could keep more than 50% by using liquid crystal with a high alignment order parameter. These results indicated that high-contrast reflective display devices can be made using a liquid crystal material with low refractive index anisotropy and a high order parameter.

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Reflective display devices using twisted-alignment guest-host liquid crystal with low refractive index anisotropy

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