PHOTOELECTRIC CONVERSION DEVICE AND PHOTODETECTION SYSTEM HAVING AVALANCHE DIODE

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PHOTOELECTRIC CONVERSION DEVICE AND PHOTODETECTION SYSTEM HAVING AVALANCHE DIODE

This abstract first appeared for US patent application 20250142229 titled 'PHOTOELECTRIC CONVERSION DEVICE AND PHOTODETECTION SYSTEM HAVING AVALANCHE DIODE

Original Abstract Submitted

the photoelectric conversion device includes a pixel. the pixel includes a photoelectric conversion unit and a signal processing circuit. the photoelectric conversion unit includes an avalanche diode that multiplies charge generated by an incident of photon by avalanche multiplication, and outputting a first signal in accordance with the incident of photon. the signal processing circuit includes a logic circuit that outputs a third signal in response to the first signal and a second signal. the signal processing circuit includes a first element having a first withstand voltage and a second element having a second withstand voltage lower than the first withstand voltage, and is configured such that the first signal is input to the first element and the second signal is input to the second element.