IMAGING DEVICE INCLUDING A PHOTOELECTRIC CONVERTER AND A CAPACITIVE ELEMENT HAVING A DIELECTRIC FILM SANDWICHED BETWEEN ELECTRODES AND A MODE SWITCHING TRANSISTOR
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United States of America
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Issued Date -
Nov 21, 2024
app pub date -
Jul 29, 2024
filing date -
Jul 29, 2024
priority date (Note) -
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status (Latency Note)
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Abstract
A camera system including a lens; and an imaging device that receives a light through the lens. The imaging device includes: a semiconductor substrate; a photoelectric converter that is configured to convert the light into a signal charge and that is stacked on the semiconductor substrate; a node to which the signal charge is input; a transistor having a source and a drain, one of the source and the drain being connected to the node; and a capacitive element connected between the transistor and a voltage source or a ground. The transistor is configured to switch between a first state and a second state, a sensitivity in the first state being different from a sensitivity in the second state, and in a cross-sectional view, the capacitive element is located between the semiconductor substrate and the photoelectric converter.
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