A highly bistable fast-shear aligned polymer dispersed ferroelectric liquid crystal device

M. J. Coles, C. Carboni, H. J. Coles

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

We present a new shear aligned polymer dispersed ferroelectric liquid crystal material which in this configuration possesses the same electro-optical characteristics as conventional surface stabilized ferroelectric liquid crystals. The sample thickness is 20 μm as opposed to the 1-2 μm used in the normal surface stabilized geometry. The new material shows switching on the 100 μs timescale and very high bistability (G ≥ 0.8) minutes after removal of the field. The temperature independent apparent tilt angle is 25° at room temperature, almost equal to the ideal value of 22.5° for many display applications. The material is prepared from a solution of a novel low molar mass organosiloxane ferroelectric liquid crystal in a UV-curable polymer. We study the physical properties of the composite material and give a description of the fabrication technique and its optimization. The material and fabrication technique could be readily used for industrial production of devices including flexible display panels.

Original languageEnglish
Pages (from-to)679-684
Number of pages6
JournalLiquid Crystals
Volume26
Issue number5
Publication statusPublished - 1999

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Liquid Crystals
Liquid crystals
Ferroelectric materials
Polymers
liquid crystals
shear
polymers
fabrication
Flexible displays
Fabrication
Molar mass
physical properties
optimization
composite materials
Physical properties
Display devices
room temperature
geometry
configurations
Temperature

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

A highly bistable fast-shear aligned polymer dispersed ferroelectric liquid crystal device. / Coles, M. J.; Carboni, C.; Coles, H. J.

In: Liquid Crystals, Vol. 26, No. 5, 1999, p. 679-684.

Research output: Contribution to journalArticle

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