14 October 1997 Developments in suspended particle devices (SPD)
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Light valve using suspended particles was invented first by Edwin H. Land. But it could not be made to large area because it was a liquid cell containing a suspension of the particles between both transparent conductive layers. For several years, so many trials have been to make a large size of light valve. Recently we could make the light valve of large size which is film type by phase separation and/or emulsification methods. In this paper, we are introducing the light valve film made by HGI.
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Byung-Seok Yu, Byung-Seok Yu, Eung-Soo Kim, Eung-Soo Kim, Young-Woo Lee, Young-Woo Lee, } "Developments in suspended particle devices (SPD)", Proc. SPIE 3138, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XV, (14 October 1997); doi: 10.1117/12.279204; https://doi.org/10.1117/12.279204

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