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公开(公告)号：US20240348950A1
公开(公告)日：2024-10-17
申请号：US18486372
申请日：2023-10-13
发明人： Junseok KIM , Raeyoung KIM , Keun Joo PARK , Bongki SON , Se-Hoon LIM , Hee-Jae JO
摘要： A dynamic vision sensor (DVS) including a plurality of substrates electrically connected to one another and stacked vertically includes a photoelectric conversion device configured to generate charges in response to incident light from an external environment that is external to the DVS sensor, a bipolar junction transistor (BJT) device including a base connected to the photoelectric conversion device and configured to output a current based on amplifying a current output from the photoelectric conversion device, and a DVS pixel circuit that detects a change in intensity of the incident light and to output an event signal based on the current. The photoelectric conversion device is on a first substrate among the plurality of substrates. At least part of the DVS pixel circuit is on a different substrate from the first substrate among the plurality of substrates.
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