Abstract: An imaging device includes: pixel cells arranged in a matrix having rows and columns and including first and second pixel cells in one of the columns, each pixel cell comprising a photoelectric converter and a signal detection circuit detecting an electrical signal in the photoelectric converter and outputting an output signal; first and second output signal lines through which the output signals are output from each of the first and second pixel cells, respectively; and first and second feedback circuits that form, for each of the first and second pixel cells, first and second feedback paths negatively feeding back the electrical signals, respectively. The first and second pixel cells are arranged every n rows in the one of the columns where that n is an integer equal to or greater than two, the rows respectively having the first pixel cells being different from those respectively having the second pixel cells.

Abstract: An imaging apparatus includes a unit pixel including a pixel electrode, a charge accumulation region electrically connected to the pixel electrode, and a signal detection circuit electrically connected to the charge accumulation region; a counter electrode facing the pixel electrode; a photoelectric conversion layer disposed between the electrodes; and a voltage supply circuit configured to selectively apply any one of first, second, and third voltages between the electrodes. The photoelectric conversion layer exhibits first and second wavelength sensitivity characteristics in a wavelength range when the voltage supply circuit applies the first and second voltages between the electrodes, respectively, and becomes insensitive to light in the wavelength range when the voltage supply circuit applies the third voltage between the electrodes.

Abstract: When a time at which a first pulsed light starts arriving at pixels after being reflected by an object is a first time, a time at which the first pulsed light finishes arriving at the pixels is a second time, and a time at which a second pulsed light starts arriving at the pixels after being reflected by the object is a third time, a control circuit decreases sensitivity of the pixels in first part of a first period from the first time including the second time, to a level lower than the sensitivity of the pixels in at least part of a second period after the first period and up to the third time, and increases the sensitivity of the pixels in second part of the first period, to a level higher than the sensitivity of the pixels in the at least part of the second period.

Abstract: A three-dimensional motion obtaining apparatus includes: a light source; a charge amount obtaining circuit that includes pixels and obtains, for each of the pixels, a first charge amount under a first exposure pattern and a second charge amount under a second exposure pattern having an exposure period that at least partially overlaps an exposure period of the first exposure pattern; and a processor that controls a light emission pattern for the light source, the first exposure pattern, and the second exposure pattern. The processor estimates a distance to a subject for each of the pixels on the basis of the light emission pattern and on the basis of the first charge amount and the second charge amount of each of the pixels obtained by the charge amount obtaining circuit, and estimates an optical flow for each of the pixels on the basis of the first exposure pattern, the second exposure pattern, and the first charge amount and the second charge amount obtained by the charge amount obtaining circuit.

Abstract: An imaging device having a pixel including a photoelectric converter that converts incident light into charges, and a reset transistor having a first source, a first drain and a first gate, one of the first source and the first drain coupled to the photoelectric converter. The imaging device further including first voltage generating circuity that generates a first voltage; second voltage generating circuity that generates a second voltage, the second voltage generating circuity being different from the first voltage generating circuity; and first switching circuity that causes either the first voltage generating circuity or the second voltage generating circuity to selectively couple to the other of the first source and the first drain of the reset transistor.

Abstract: An imaging device includes: a pixel; a signal line electrically connected to the pixel; and a first and second sample-and-hold circuits electrically connected to the signal line. The pixel includes: a photoelectric converter that generates signal charge; a charge accumulation region that accumulates the signal charge; a reset transistor that resets a voltage of the charge accumulation region; and an amplifier transistor that amplifies a signal voltage. The first sample-and-hold circuit includes: a first switch that is electrically connected to the signal line and has input-output characteristics in which an output is clipped at a clipping voltage with respect to an input exceeding the clipping voltage; and a first capacitor electrically connected to the signal line through the first switch. The second sample-and-hold circuit includes: a second switch electrically connected to the signal line; and a second capacitor electrically connected to the signal line through the second switch.

Abstract: An imaging device comprising: a pixel comprising a photoelectric converter and a reset transistor having a source and a drain one of which is electrically connected to the photoelectric converter; a first voltage generating circuit for generating a first voltage; a second voltage generating circuit for generating a second voltage identical or equivalent to the first voltage; and a first switching circuit having a first input terminal electrically connected to the first voltage generating circuit, a second input terminal electrically connected to the second voltage generating circuit, a first output terminal electrically connected to the other of the source and the drain of the reset transistor. The first switching circuit electrically connects one of the first and second input terminals to the first output terminal selectively in a period when the photoelectric converter is reset. The photoelectric converter is reset by use of the first voltage or the second voltage.

Abstract: A method is for controlling an imaging device that allows switching of an operation mode between a first mode to perform imaging in a first imaging wavelength band and a second mode to perform imaging in a second imaging wavelength band different from the first imaging wavelength band. The method includes: determining whether ambient light includes near-infrared light based on information obtained in the first mode and information obtained in the second mode; and maintaining or changing the operation mode.

Abstract: An imaging apparatus includes a unit pixel including a pixel electrode, a charge accumulation region electrically connected to the pixel electrode, and a signal detection circuit electrically connected to the charge accumulation region; a counter electrode facing the pixel electrode; a photoelectric conversion layer disposed between the electrodes; and a voltage supply circuit configured to selectively apply any one of first, second, and third voltages between the electrodes. The photoelectric conversion layer exhibits first and second wavelength sensitivity characteristics in a wavelength range when the voltage supply circuit applies the first and second voltages between the electrodes, respectively, and becomes insensitive to light in the wavelength range when the voltage supply circuit applies the third voltage between the electrodes.

Abstract: An imaging apparatus includes a unit pixel including a pixel electrode; a counter electrode facing the pixel electrode; a photoelectric conversion layer disposed between the pixel electrode and the counter electrode; and a computing circuit that acquires a first signal upon a first voltage being applied between the pixel electrode and the counter electrode, the first signal corresponding to an image captured with visible light and infrared light and a second signal upon a second voltage being applied between the pixel electrode and the counter electrode, the second signal corresponding to an image captured with visible light, and generates a third signal by performing a computation using the first signal and the second signal, the third signal corresponding to an image captured with infrared light.

Abstract: An imaging device of the present disclosure includes: a first and second imaging cells each including a photoelectric converter including a pixel electrode, an opposite electrode, and a photoelectric conversion layer between the pixel electrode and the opposite electrode, the photoelectric converter generating signal charge by photoelectric conversion, and charge detection circuit connected to the pixel electrode, the charge detection circuit detecting the signal charge; and a voltage supply circuit supplying a voltage such that, in a frame period, a potential difference between the pixel electrode and the opposite electrode of the first imaging cell at a start time of a charge accumulation period of the first imaging cell is made different from a potential difference between the pixel electrode and the opposite electrode of the second imaging cell at a start time of a charge accumulation period of the second imaging cell.

Abstract: An imaging device of the present disclosure includes: an imaging cell including a photoelectric converter including a first electrode, a second electrode, and a photoelectric conversion layer between the first electrode and the second electrode, the photoelectric converter generating signal charge by photoelectric conversion, and a charge detection circuit connected to the first electrode, the charge detection circuit detecting the signal charge; a signal line electrically coupled to the first electrode; and a voltage supply circuit selectively supplying a first voltage and a second voltage different from the first voltage to the signal line.

Abstract: When a time at which a first pulsed light starts arriving at pixels after being reflected by an object is a first time, a time at which the first pulsed light finishes arriving at the pixels is a second time, and a time at which a second pulsed light starts arriving at the pixels after being reflected by the object is a third time, a control circuit decreases sensitivity of the pixels in first part of a first period from the first time including the second time, to a level lower than the sensitivity of the pixels in at least part of a second period after the first period and up to the third time, and increases the sensitivity of the pixels in second part of the first period, to a level higher than the sensitivity of the pixels in the at least part of the second period.

Abstract: An imaging device includes a light source, an image sensor, and a controller. Each pixel of the image sensor includes first and second accumulators and a discharger. The controller, while a component of light from the light source reflected by the surface of a target is incident on the image sensor, causes the accumulators to accumulate signal charge not discharged to the discharger, by setting the image sensor so that signal charge is discharged to the discharger, while a component having scattered inside the target is incident on the image sensor, causes the first accumulator to accumulate signal charge by setting the image sensor so that signal charge is not discharged to the discharger and signal charge is accumulated in the first accumulator, and causes the image sensor to generate first and second signals that are respectively based on signal charge accumulated in the first and second accumulators.

Abstract: An imaging device includes: pixel cells arranged in a matrix having rows and columns and including first and second pixel cells in one of the columns, each pixel cell comprising a photoelectric converter and a signal detection circuit detecting an electrical signal in the photoelectric converter and outputting an output signal; first and second output signal lines through which the output signals are output from each of the first and second pixel cells, respectively; and first and second feedback circuits that form, for each of the first and second pixel cells, first and second feedback paths negatively feeding back the electrical signals, respectively. The first and second pixel cells are arranged every n rows in the one of the columns where that n is an integer equal to or greater than two, the rows respectively having the first pixel cells being different from those respectively having the second pixel cells.

Abstract: An imaging device comprising: a pixel comprising a photoelectric converter and a reset transistor having a source and a drain one of which is electrically connected to the photoelectric converter; a first voltage generating circuit for generating a first voltage; a second voltage generating circuit for generating a second voltage identical or equivalent to the first voltage; and a first switching circuit having a first input terminal electrically connected to the first voltage generating circuit, a second input terminal electrically connected to the second voltage generating circuit, a first output terminal electrically connected to the other of the source and the drain of the reset transistor. The first switching circuit electrically connects one of the first and second input terminals to the first output terminal selectively in a period when the photoelectric converter is reset. The photoelectric converter is reset by use of the first voltage or the second voltage.