OPTICAL DEVICES AND METHODS FOR ADJUSTABLE LIGHT ATTENUATION BASED ON ANISOTROPIC MATERIALS
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United States of America
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Nov 14, 2024
app pub date -
May 13, 2024
filing date -
May 13, 2024
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Abstract
An optical device includes a first set of electrodes; a second set of electrodes distinct and separate from the first set of electrodes; and a medium located between the first set of electrodes and the second set of electrodes. The medium includes a mixture of: liquid crystals and magnetic microstructures. The optical device is coupled with one or more magnetic field generators for switchably providing a magnetic field for orienting the magnetic microrods in the medium independently from the orientations of the liquid crystals. An optical device that includes a switchable optical cell and carbon nanotubes located within the switchable optical cell is also described.
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