Pixel isolation elements, devices and associated methods
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United States of America Patent
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Feb 27, 2018
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N/A
app pub date -
Jun 23, 2015
filing date -
Mar 22, 2012
priority date (Note) -
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Abstract
Light trapping pixels, devices incorporating such pixels, and various associated methods are provided. In one aspect, for example, a light trapping pixel device can include a light sensitive pixel having a light incident surface, a backside surface opposite the light incident surface, and a peripheral sidewall disposed into at least a portion of the pixel and extending at least substantially around the pixel periphery. The pixel can also include a backside light trapping material substantially covering the backside surface and a peripheral light trapping material substantially covering the peripheral sidewall. The light contacting the backside light trapping material or the peripheral light trapping material is thus reflected back toward the pixel.
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