Smart glass using guided self-assembled photonic crystal
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United States of America Patent
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Aug 15, 2017
Grant Date -
Jun 9, 2016
app pub date -
Sep 23, 2015
filing date -
Dec 3, 2014
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Abstract
A smart glass uses a guided self-assembled photonic crystal, including a photonic crystal layer that is interposed between a pair of conductive glass plates. The smart glass includes a first material and a second material having a different refractive index from the first material and surrounding the first material. Thereby, the smart glass has a color, even when a dye is not included, by strongly reflecting light in a specific wavelength range incident to the photonic crystal layer. This is because the first material is formed regularly to have a constant distance by guided self-assembly, and the smart glass thereby may obtain a target color by randomly adjusting the distance between the first materials.
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