Adaptive shading, display and color control
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United States of America Patent
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Sep 1, 2015
Grant Date -
Aug 29, 2013
app pub date -
Jun 10, 2011
filing date -
Jun 10, 2010
priority date (Note) -
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Abstract
A substrate having a second material on a surface of the substrate or embedded as a layer within the substrate are described. The second material has a different index of refraction and/or stiffness than the substrate so that stretching and unstretching of the substrate and the second material can induce wrinkles in the second material that interacts with light thereby allowing reversible change from a transparent state to an opaque or iridescent state, and vice versa. The present disclosure is useful as a shading system and/or displays.
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