IMAGING SYSTEMS WITH OPTICAL CROSSTALK SUPPRESSION STRUCTURES
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United States of America Patent
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Issued Date -
Jun 14, 2012
app pub date -
Dec 14, 2010
filing date -
Dec 14, 2010
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Abandoned
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Abstract
An imaging system may include an image sensor and lenses on a substrate. The lenses may focus light onto the image sensor. The imaging system may include multiple optical channels, each of which directs light at a particular wavelength or range of wavelengths to a particular region of the image sensor. The imaging system may include optical crosstalk suppression structures that reduce or minimize optical crosstalk between the optical channels. The optical crosstalk suppression structures may include, for each optical channel, at least a pair of matching color filters. The color filters may keep any light that leaks between optical channels from reaching the image sensor.
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