Thermally erasable color-reflective bistable display device

Ching Jui Tien; Chi Yen Huang

doi:10.1080/15421400903053941

Thermally erasable color-reflective bistable display device

Ching Jui Tien, Chi Yen Huang

Graduate Institute of Photonics

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

Abstract

We investigate optical properties of the thermally erasable color-reflective bistable display device, made of a cholesteric liquid crystal (CLC) mixture whose pitch length is independent of the temperature. Thermal annealing experiments show that the electrically addressed cell focal conic state is stable when the annealing temperature is under the clear temperature (Tc) of the CLC mixture. However, when the annealing temperature exceeds Tc, the addressed focal conic state rapidly transforms into the planar state. Utilizing a thin cell or annealing the cell near Tc effectively improves the cell planar orientation and optical properties.

Original language	English
Pages (from-to)	231/[1701]-238/[1708]
Journal	Molecular Crystals and Liquid Crystals
Volume	511
DOIs	https://doi.org/10.1080/15421400903053941
Publication status	Published - 2009 Sep

All Science Journal Classification (ASJC) codes

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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