Photoelectric conversion element, photoelectric conversion apparatus using the same, distance detection sensor, and information processing system
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United States of America Patent
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Nov 12, 2019
Grant Date -
Feb 9, 2017
app pub date -
Aug 4, 2016
filing date -
Aug 7, 2015
priority date (Note) -
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Abstract
A photoelectric conversion element includes a first photoelectric conversion unit configured to generate an electron serving as a signal charge, a second photoelectric conversion unit configured to generate a hole serving as a signal charge, a first floating diffusion region to which the electron generated in the first photoelectric conversion unit is transferred, a second floating diffusion region to which the hole generated in the second photoelectric conversion unit is transferred, an amplifying transistor including a gate electrically connected to the first floating diffusion region and the second floating diffusion region, a first charge ejection unit configured to eject the electron generated in the first photoelectric conversion unit, and a second charge ejection unit configured to eject the hole generated in the second photoelectric conversion unit, wherein the first photoelectric conversion unit and the second photoelectric conversion unit are arranged along a principal surface of a semiconductor substrate.
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