PDLC films for control of light transmission

Transparent insulation technology is a promising instrument to minimize energy consumption for heating of residential buildings. Up to now, mechanical shading devices, such as reflective roller blinds, have been used. However, various non-mechanical devices are under investigation today, including p...

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Bibliographic Details
Published in:Journal of physics. D, Applied physics Applied physics, 1994-10, Vol.27 (10), p.2145-2151
Main Authors: Korner, W, Scheller, H, Beck, A, Fricke, J
Format: Article
Language:English
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Summary:Transparent insulation technology is a promising instrument to minimize energy consumption for heating of residential buildings. Up to now, mechanical shading devices, such as reflective roller blinds, have been used. However, various non-mechanical devices are under investigation today, including polymer dispersed liquid crystal (PDLC) films. An investigation is outlined of the light switching properties of these films, which can be characterized by the spectral change in transmittance and reflectance due to switching by application of a suitable electrical voltage. The PDLC samples were prepared using the standard liquid crystal mixture E7 in a UV-curable matrix material. A transmission reduction of up to 30 per cent was achieved in the solar spectral range. (Original abstract-amended)
ISSN:0022-3727
1361-6463
DOI:10.1088/0022-3727/27/10/023