OPERATION OF IMAGING-SENSING UNIT AND IMAGING-SENSING DEVICE WITH THE SAME

摘要

An operation of an imaging-sensing unit and the imaging-sensing device with the same are disclosed.The imaging-sensing unit comprises a photogate, a photodiode with the photogate, and a first switch.The operation comprises the following steps.(a) Exerting a first voltage on the photogate.(b) Turning on a first switch.(c) Turning off the first switch in a first time.(d) Stopping exerting a first voltage on the photogate in a second time.(e) The photodiode being lighting by à light.(f) Exerting a second voltage on the photogate in a third time.(g) Maintaining the turn-off-state of the first switch until a fourth time.The operation of an imaging-sensing unit can make the imaging-sensing device with the same extend its dynamic range.