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Light switching using micro-encapsulated liquid crystal films

: Wilson, H.R.

Transparent insulation technology. Proceedings of the 4th International Workshop
Birmingham: Franklin Company Consultants, 1991
ISBN: 0-9510781-5-1
International Workshop on Transparent Insulation <4, 1991, Birmingham>
Conference Paper
Fraunhofer ISE ()
diffuse transmission spectra; polymer dispersed liquid crystal; transparent insulation material

Micro-encapsulated liquid crystal films have been prepared, which switch the amount of transmitted diffuse light by values approaching 30%, depending on the film thickness and applied voltage. Examples of spectrally dependent transmission, voltage dependence and angular distribution of the scattered light are presented. Such switchable films can be considered for non-mechanical variable shading elements to prevent overheating in TIM systems.