Canon Kabushiki Kaisha

Takashi Muto

Yasushi Matsuno

Daisuke Yoshida

Seiji Hashimoto

Hirofumi Totsuka

Takeru Suzuki

Toru Koizumi

Kazuhiro Sonoda

Yasuharu Ota

Atsushi Furubayashi

Masahiro Kobayashi

Kazuhiro Saito

Hiroki Hiyama

Tetsuya Itano

Takeshi Akiyama

Kohichi Nakamura

Koichiro Iwata

Yasuji Ikeda

Masanobu Oomura

Toshiki Tsuboi

Takahiro Yamasaki

A display device comprising a scanning circuit configured to scan a pixel array in which a plurality of pixels are arranged in a matrix and a control circuit configured to control the scanning circuit to scan the pixel array in accordance with a display mode selected among a plurality of display modes is provided. The plurality of display modes include a first display mode for repeatedly performing an operation unit formed by a plurality of scanning sequences including a first scanning sequence by which the scanning circuit scans, in a predetermined order, a predetermined scanning line of the pixel array. When shifting to the first display mode from a display mode which is other than the first display mode among the plurality of display modes, the control circuit controls the scanning circuit to start the operation unit from the first scanning sequence.

Display device, photoelectric conversion device, electronic device, moving body, and wearable device

Pixels output a first signal based on signal charge of a part of photoelectric conversion units of multiple photoelectric conversion units, and a second signal based on signal charge of multiple photoelectric conversion units. An imaging apparatus outputs signals based on the first signals and signals based on the second signals by reducing the number of signals based on the first signals as compared to the number of signals based on the second signals.

Imaging apparatus, and imaging system having a plurality of pixels for outputting a signal based on a generated signal charge

A light emitting device is provided. The device includes a plurality of pixels, each pixel including a light emitting element and a driving transistor configured to supply a current corresponding to a luminance signal to the light emitting element and a driving circuit including a scanning circuit configured to perform write scanning of scanning the plurality of pixels on a row basis and writing the luminance signal in a gate of the driving transistor. The driving circuit performs, only during a period from an activation of the light emitting device to a start of the write scanning when the write scanning is performed for a first time, a signal write operation of collectively writing a predetermined signal in the gates of the driving transistors included in pixels arranged in not less than two rows among the plurality of pixels.

Light emitting device, display device, photoelectric conversion device, electronic apparatus, illumination device, and moving body

A display device is provided. The device comprises a pixel array, a scanning circuit configured to select a row in the pixel array, and a signal output circuit configured to supply image signals to pixels arranged in the row selected by the scanning circuit. The device displays an image using pixels arranged between an initial line on one side in the pixel array and an end line succeeding the initial line on the other side. The scanning circuit includes a start designation circuit configured to designate the initial line, an end designation circuit configured to designate the end line and a shift register. The shift register is configured to start selection for writing the image signals from the initial line and sequentially select the rows between the initial line and the end line in one frame period for displaying one image.

Display device and electronic equipment

Imaging apparatus, imaging system, imaging apparatus driving method, and imaging system driving method

A display device includes signal supply circuit having N blocks and data supply circuit for supplying data to the N blocks. Each block includes holding block having k data holders for supply signals to k columns, and scanning circuit block for sequentially selecting the k data holders to receive data from the data supply circuit. The scanning circuit block includes k-stage shift register formed from k registers. Scanning circuit is formed by N scanning circuit blocks each arranged in one of the N blocks, and sequentially selects the N holding blocks each arranged in one of the N blocks to sequentially select the k data holders of each selected holding block to receive data. In response to output from i-th register of n-th block, the data supply circuit sets (n+1)-th block in operation-enabled state.

Display device and image capturing device

An imaging sensor is configured to generate a signal that is obtained by amplifying one of a signal corresponding to a first accumulation period and a signal corresponding to a second accumulation period by using amplification factors having different values.

Imaging sensor, imaging system, and moving body having signals amplified in two different accumulation periods

The photoelectric conversion apparatus according to an embodiment includes a photoelectric conversion element (PD), a first transistor (Mpx) including a gate that receives a first signal from the photoelectric conversion element (PD), a second transistor (M), and a third transistor (M) that selectively constitutes a first differential pair constituted by the first transistor (Mpx) and the third transistor (M) and a second differential pair constituted by the second transistor (M) and the third transistor (M). The photoelectric conversion apparatus outputs a second signal based on a voltage at the gate of the first transistor (Mpx) to a gate of the second transistor (M).

Photoelectric conversion apparatus and photoelectric conversion system

A sensor has an image sensing unit including pixel blocks, and a readout unit for reading out a signal from the image sensing unit. The pixel block includes a photoelectric converter, first and second transistors, and a current source. First main electrodes of the first and second transistors are connected to a common node, and the current source is provided between the common node and a predetermined voltage. A signal readout operation includes an operation in which a voltage corresponding to charges in the photoelectric converter is supplied to a control electrode of the first transistor, and a temporally changing reference voltage is supplied to a control electrode of the second transistor. The readout unit reads out a signal from the image sensing unit via a second main electrode of the first transistor.

Solid-state image sensor and image sensing system

Imaging apparatus, imaging system, imaging apparatus driving method, and imaging system driving method using pixels outputting signal based on at least part of photoelectric conversion units

A semiconductor device provides a plurality of circuit units arranged in parallel. Each of the plurality of circuit units includes a first signal line that transmits a first signal, which is an analog signal; a sending unit that sends a second signal; a receiving unit that receives the second signal; and a second signal line that transmits the second signal from the sending unit to the receiving unit. The distance between the first and second signal lines is shorter than the pitches at which the plurality of circuit units is arranged. The second signal is a pulse signal.

Semiconductor device and electronic apparatus

When a level of a signal output from a pixel is higher than a comparison level, the signal output from the pixel is converted into a digital signal during a first period by using a first reference signal. If the level of the signal output from the pixel is lower than the comparison level, the signal output from the pixel is converted into a digital signal during a second period that is longer than the first period by using a second reference signal.

Photoelectric conversion apparatus and image pickup system

A photoelectric conversion apparatus includes a pixel. The pixel includes a transfer transistor, a reset transistor, an amplification transistor, and a selection transistor. The photoelectric conversion apparatus includes a control line, a voltage control unit, and a current source. The control line is electrically connected to a source of the amplification transistor. The voltage control unit controls the voltage of the control line. The current source outputs a reference current. A path of a current from the amplification transistor is separated from a path of the reference current. The photoelectric conversion apparatus includes a comparison unit configured to compare the current from the amplification transistor with the reference current. During a period in which a transistor connected to the gate of the amplification transistor is in a conductive state, the selection transistor is in a non-conductive state.

Growing community of inventors

Kawasaki, Japan

Takashi Muto