UNIT PIXEL AND THREE-DIMENSIONAL IMAGE SENSOR INCLUDING THE SAME
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United States of America Patent
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Issued Date -
May 16, 2013
app pub date -
Sep 13, 2012
filing date -
Nov 14, 2011
priority date (Note) -
Abandoned
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Abstract
A unit pixel of a three-dimensional image sensor includes a non-silicon photodetector and at least one readout circuit. The non-silicon photodetector is formed at a silicon substrate, and the non-silicon photodetector comprising at least one of non-silicon materials to generate a photocharge in response to incident light. The at least one readout circuit is formed at the silicon substrate, the at least one readout circuit outputs a sensing signal based on the photocharge, and the sensing signal generates depth information on a distance to an object.
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