IMAGE SENSING DEVICE AND LIDAR DEVICE
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Aug 29, 2024
filing date -
Aug 29, 2024
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Abstract
An image sensing device and a light detection and ranging (LiDAR) device include a single-photon avalanche diode (SPAD) array including SPAD pixels, a signal transmission unit including row lines connected in units of SPAD pixels of a same row and column lines connected in units of SPAD pixels of a same column, a bias circuit unit outputting a row bias signal corresponding to a row photon signal transmitted through a row line of the signal transmission unit and outputting a column bias signal corresponding to a column photon signal transmitted through a column line of the signal transmission unit, a logic circuit unit identifying, based on the row bias signal and the column bias signal, a SPAD pixel that has detected a photon, and a counter array performing photon counting with respect to a counter that corresponds to the identified SPAD pixel among counters corresponding to the SPAD array.
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