Solid-state image pickup device and driving method thereof, and electronic apparatus

A method of driving a solid-state image pickup device, wherein

• said solid-state image pickup device includes
• unit pixels which are two-dimensionally arranged in matrix and each unit pixel includes
• a photoelectric conversion part that accumulates a charge generated by electric conversion,
• a first transfer structure that transfers said charge from said photoelectric conversion part to a first charge accumulation portion,
• a second transfer structure that transfers said charge from said first charge accumulation portion to a second charge accumulation portion,
• a readout structure that reads out a signal in response to said charge to a signal line, and
• a reset structure that resets said second charge accumulation portion, wherein
• said solid-state image pickup device is driven so that a first shutter row, which resets said photoelectric conversion part, a second shutter row, which transmits said charge of said photoelectric conversion part to said first charge accumulation portion by said first transfer structure, and readout row, where said second transfer structure and said readout structure read out a first signal to said signal line in response to said charge of said first charge accumulation portion and then said first transfer structure, said second transfer structure, and said readout structure read out a second signal to said signal line in response to said charge of said photoelectric conversion part, are scanned in order while a period from timing of scanning said first shutter row to timing of scanning said second shutter row is different from a period from timing of scanning said second shutter row to timing of scanning said readout row.

A method of driving a solid-state image pickup device, wherein

• said solid-state image pickup device includes unit pixels which are two-dimensionally arranged in matrix and each unit pixel includes:
• a photoelectric conversion part that accumulates a charge generated by electric conversion;
• a first transfer structure that transfers said charge from said photoelectric conversion part to a first charge accumulation portion;
• a second transfer structure that transfers said charge from said first charge accumulation portion to a second charge accumulation portion;
• a readout structure that reads out a signal in response to said charge to a signal line;
• and
• a reset structure that resets said second charge accumulation portion, wherein
• a solid-state image pickup device is driven so that
• light is incident on said photoelectric conversion part through a mechanical shutter,
• said photoelectric conversion parts of all of said unit pixels are reset simultaneously in an open state of said mechanical shutter,
• said first transfer structure transfers said charges of said optical conversion parts to said first charge accumulation portions in all of said unit pixels simultaneously,
• said unit pixels in said pixel array unit are scanned from each row in order in a close state of said mechanical shutter,
• said second transfer structure and said readout structure read out a first signal to said signal line in response to said charge of said first charge accumulation portion and then
• said first transfer structure, said second transfer structure, and said readout structure read out a second signal to said signal line in response to said charge of said photoelectric conversion part.

An electronic apparatus having a solid-state image pickup device, comprising

• a pixel array unit where unit pixels are two-dimensionally arranged in matrix and each unit pixel includes
• a photoelectric conversion part that accumulates a charge generated by electric conversion,
• a first transfer structure that transfers said charge from said photoelectric conversion part to a first charge accumulation portion,
• a second transfer structure that transfers said charge from said first charge accumulation portion to a second charge accumulation portion,
• a readout structure that reads out a signal in response to said charge to a signal line, and
• a reset structure that resets said second charge accumulation portion;
• and
• a row driving unit that scans a first shutter row, a second shutter row, and a readout row in order, where
• said first shutter row resets said photoelectric conversion part,
• said second shutter row transmits said charge of said photoelectric conversion part to said first charge accumulation portion by said first transfer structure, and
• said readout row allows said second transfer structure and said readout structure to read a first signal to said signal line in response to said charge of said first charge accumulation portion and then allows said first transfer structure, said second transfer structure, and said readout structure to read a second signal to said signal line in response to said charge of said photoelectric conversion part, while
• said scanning of said row driving unit is performed so that a period from timing of scanning said first shutter row to timing of scanning said second shutter row is different from a period from timing of scanning said second shutter row to timing of scanning said readout row.

An electronic apparatus comprising:

• a solid-state image pickup device having
• a pixel array unit where unit pixels are two-dimensionally arranged in matrix and each unit pixel includes
• a photoelectric conversion part that accumulates a charge generated by electric conversion,
• a first transfer structure that transfers said charge from said photoelectric conversion part to a first charge accumulation portion,
• a second transfer structure that transfers said charge from said first charge accumulation portion to a second charge accumulation portion,
• a readout structure that reads out a signal in response to said charge to a signal line, and
• a reset structure that resets said second charge accumulation portion;
• and
• a mechanical shutter selectively incorporating incident light to an image-pickup surface of said solid-image pickup device, wherein
• a row driving unit of said solid-state image pickup device resets said photoelectric conversion parts of all of said unit pixels simultaneously in an open state of said mechanical shutter,
• said first transfer structure transfers said charges of said photoelectric conversion parts to said first charge accumulation portions in all of said unit pixels simultaneously,
• said unit pixels in said pixel array unit are scanned from each row in order in a close state of said mechanical shutter,
• said second transfer structure and said readout structure read out a first signal to said signal line in response to said charge of said first charge accumulation portion and then
• said first transfer structure, said second transfer structure, and said readout structure read out a second signal to said signal line in response to said charge of said photoelectric conversion part.

A method for controlling a solid-state image pickup device, said method comprising:

• reading a first signal from a charge accumulation region, the first signal corresponding to an accumulation of signal charges during a first period;
• and
• reading a second signal from the charge accumulation region, the second signal corresponding to another accumulation of signal charges during a second period;
• wherein,
• the first time period is from a time of performing a first shutter operation to a time of performing a second shutter operation, and
• the second time period is from the time of performing the second shutter operation to a time occurring before or during a period of scanning a read row.

A solid-state image pickup device, comprising:

• a plurality of pixels, each pixel including a photoelectric conversion element and a charge accumulation region;
• and
• a scanning unit configured to:
• read a first signal from said charge accumulation region, the first signal corresponding to an accumulation of signal charges during a first period, and
• read a second signal from the said charge accumulation region, the second signal corresponding to another accumulation of signal charges during a second period,
• wherein,
• the first time period is from a time of performing a first shutter operation to a time of performing a second shutter operation;
• and
• the second time period is from the time of performing the second shutter operation to a time occurring before or during a period of scanning a read row.

An electronic apparatus comprising a solid-state image pickup device, the device including:

• a plurality of pixels, each pixel including a photoelectric conversion element and a charge accumulation region;
• and
• a scanning unit configured to:
• read a first signal from said charge accumulation region, the first signal corresponding to an accumulation of signal charges during a first period, and
• read a second signal from the said charge accumulation region, the second signal corresponding to another accumulation of signal charges during a second period;
• wherein,
• the first time period is from a time of performing a first shutter operation to a time of performing a second shutter operation;
• and
• the second time period is from the time of performing the second shutter operation to a time occurring before or during a period of scanning a read row.