Solid-state imaging device and electronic device

An imaging device comprising:

• a first transistor group;
• a second transistor group;
• and
• a photoelectric conversion section disposed between the first transistor group and the second transistor group,
• wherein,
• the second transistor group includes a reset transistor and a switch transistor, and
• the switch transistor is configured to change a conversion efficiency of the floating diffusion.

An apparatus comprising:

• an image sensor configured to capture one or more images around a vehicle, the image sensor including:
• a first transistor group;
• a second transistor group;
• and
• a photoelectric conversion section disposed between the first transistor group and the second transistor group,
• wherein,
• the second transistor group includes a reset transistor and a switch transistor, and
• the switch transistor is configured to change a conversion efficiency of the floating diffusion.

A pixel circuit comprising:

• a photoelectric conversion section;
• a plurality of transistors coupled to the photoelectric conversion section;
• and
• a floating diffusion coupled to the plurality of transistors,
• wherein,
• the plurality of transistors includes a switch transistor, an amplification transistor, a reset transistor, and a transfer transistor, each of which is coupled to the floating diffusion, and
• the switch transistor is configured to change a conversion efficiency of the floating diffusion.