VARIABLE FOCUS LENS WITH INTEGRAL OPTICAL FILTER AND IMAGE CAPTURE DEVICE COMPRISING THE SAME
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United States of America Patent
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Aug 22, 2019
app pub date -
Oct 18, 2017
filing date -
Oct 18, 2016
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Abstract
A liquid lens includes a lens body having a first window, a second window, and a cavity disposed between the first window and the second window. A first liquid and a second liquid are disposed within the cavity of the lens body. The first liquid and the second liquid are substantially immiscible with each other and have different refractive indices such that an interface between the first liquid and the second liquid forms a lens. An optical filter is integrated with at least one of the first window or the second window. An image capture device includes an optical system having a variable focus lens, an image sensor, and an optical filter integrated with the optical system. Each of the image sensor and the optical filter is aligned along an optical axis of the optical system.
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