Photodetection element and electronic device

A photodetection element comprising:

• a pixel array unit including a plurality of pixels including first amplification transistors that are connected to a first signal line and amplify potentials corresponding to charges obtained as a result of photoelectric conversion performed by photoelectric conversion elements, and second amplification transistors that are connected to a second signal line different from the first signal line and amplify potentials corresponding to charges obtained as a result of photoelectric conversion performed by the photoelectric conversion elements;
• a differential amplification circuit that amplifies a potential difference of a differential pair, which is the first amplification transistor of a first pixel selected from among the plurality of pixels and the second amplification transistor of a second pixel selected from among the plurality of pixels;
• and
• a circuit unit that generates an image signal on a basis of the potential difference amplified by the differential amplification circuit.

A photodetection element comprising:

• a pixel array unit including a plurality of first pixels connected to a first signal line and including first amplification transistors that amplify potentials corresponding to charges obtained as a result of photoelectric conversion performed by first photoelectric conversion elements and a plurality of second pixels connected to a second signal line different from the first signal line and including second amplification transistors that amplify potentials corresponding to charges obtained as a result of photoelectric conversion performed by second photoelectric conversion elements;
• a differential amplification circuit that amplifies a potential difference of a differential pair, which is the first amplification transistor of a first pixel selected from among the plurality of first pixels and the second amplification transistor of a second pixel selected from among the plurality of second pixels;
• and
• a circuit unit that generates an image signal on a basis of the potential difference amplified by the differential amplification circuit.

A photodetection element comprising:

• a pixel array unit including a plurality of first pixels connected to a first signal line via first transfer transistors and including first amplification transistors that amplify potentials corresponding to charges obtained as a result of photoelectric conversion performed by first photoelectric conversion elements and second transfer transistors having one ends connected to the first photoelectric conversion elements, and
• a plurality of second pixels connected to a second signal line via third transfer transistors and including second amplification transistors that amplify potentials corresponding to charges obtained as a result of photoelectric conversion performed by second photoelectric conversion elements and fourth transfer transistors having one ends connected to the second photoelectric conversion elements,
• other ends of the second transfer transistors being connected to the second signal line,
• other ends of the fourth transfer transistors being connected to the first signal line;
• a differential amplification circuit that amplifies a potential difference of a differential pair, which is the first amplification transistor of a first pixel selected from among the plurality of first pixels and the second amplification transistor of a second pixel selected from among the plurality of second pixels;
• and
• a circuit unit that generates an image signal on a basis of the potential difference amplified by the differential amplification circuit.

A photodetection element comprising:

• a pixel array unit including a plurality of first pixels connected to a first signal line directly or via first transfer transistors and including first amplification transistors that amplify potentials corresponding to charges obtained as a result of photoelectric conversion performed by first photoelectric conversion elements and second transfer transistors having one ends connected to the first photoelectric conversion elements,
• a plurality of second pixels connected to second photoelectric conversion elements via the first amplification transistors and third transfer transistors,
• a plurality of third pixels connected to third photoelectric conversion elements via the first amplification transistors and fourth transfer transistors, and
• a plurality of fifth pixels connected to fourth photoelectric conversion elements via the first amplification transistors and fourth transfer transistors.