Diffuse reflectors
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United States of America Patent
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Aug 7, 2018
Grant Date -
Mar 10, 2016
app pub date -
Apr 30, 2013
filing date -
Apr 30, 2013
priority date (Note) -
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Abstract
A process for fabricating a diffuse reflector includes: mixing a fluid that is immiscible in a solution containing mesogens into the solution to create a mixture containing droplets of the fluid suspended in the mixture; depositing a layer of the mixture on a surface; and processing the layer to form a film in a manner such that the droplets of the fluid disrupt alignment of the reactive mesogens in the solution and nucleate defects that propagate through the film. A diffuse reflector may include a first layer of cholesteric material that reflects a first wavelength of light and fluid droplets distributed in the layer to nucleate defects and separate domains.
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