Publication Title

Journal of Applied Physics

Publication Date

3-1-1995

Document Type

Article

DOI

10.1063/1.358823

Disciplines

Physics

Abstract

The molecular dynamics and ordering of polymer‐dispersed liquid‐crystal displays are studied using the technique of paramagnetic resonance of spin probes. A complex spectrum is observed in which components are identified from probes dissolved in the droplet, binder, and interfacial regions of the display. In particular, the liquid‐crystal curing, phase separation, and structure of displays with both thermoplastic and epoxy binders are investigated. Observations are also performed as the liquid‐crystal droplet size is varied. Among the more interesting results is the demonstrated ability to observe the interfacial region. It appears to be quite fluid and has little or no average order. It is also observed that the compatibility between the binder and liquid crystal, seen from some of the formulations studied, correlates with the reported electro‐optical properties. These include the magnitude and hysteresis of switching voltages and the magnitudes of switching times.

Comments

Copyright 1995 American Association of Physics Teachers. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Association of Physics Teachers. The following article appeared in J. Appl. Phys. 77, 1914 (1995).


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