Electric Iris
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United States of America Patent
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Issued Date -
Oct 14, 2021
app pub date -
Apr 8, 2020
filing date -
Apr 8, 2020
priority date (Note) -
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Abstract
An optical system with an electronically variable iris. The optical system comprises an optical lens. A number of transparent conductive layers is coupled to an optical surface of the optical lens. A liquid crystal film is separated into a number of portions by the number of transparent conductive layers, wherein a transmissive state of each portion, from the number of portions of the liquid crystal film, with respect to light is configured to change in response to application of a voltage to the number of transparent conductive layers.
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