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公开(公告)号：US12081878B2
公开(公告)日：2024-09-03
申请号：US18303285
申请日：2023-04-19
摘要： A camera system includes: 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 conversion layer converting incident light into electric charge; voltage application circuitry that supplies a first voltage and a second voltage less than the first voltage between the first electrode and the second electrode such that the first voltage is applied at least one time in a frame; and a controller that derives a total length of at least one period in which the first voltage is applied in the frame, the total length corresponding to an attenuation ratio set for the frame, and causes the voltage supply circuitry to supply the first voltage in the at least one period having the total length in the frame.
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公开(公告)号：US11991462B2
公开(公告)日：2024-05-21
申请号：US17708871
申请日：2022-03-30
IPC分类号： H04N25/57 , H01L27/146
CPC分类号： H04N25/57 , H01L27/14612
摘要： An imaging device including a pixel that includes: a photoelectric converter that converts light into a charge; a charge accumulation region to which the charge is input; and an amplifier transistor that includes a gate electrically connected to the charge accumulation region. The amplifier transistor being configured to output a signal that corresponds to a potential of the charge accumulation region. The imaging device further including a detection circuit that is configured to detect a level of the signal from the amplifier transistor, wherein a sensitivity of the pixel is caused to be increased, in a case where the level detected by the detection circuit is greater than a first threshold value.
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公开(公告)号：US11552115B2
公开(公告)日：2023-01-10
申请号：US16886621
申请日：2020-05-28
IPC分类号： H01L27/146 , H04N5/355 , H04N5/374 , H04N5/378 , H04N5/225
摘要： An imaging device having a semiconductor substrate that includes a first photoelectric converter, and a second photoelectric converter adjacent to the first photoelectric converter. The imaging device further includes a capacitive element one end of which is coupled to the first photoelectric converter, where the first capacitive element at least partly overlaps, in a plan view, with the second photoelectric converter.
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公开(公告)号：US11546521B2
公开(公告)日：2023-01-03
申请号：US17405501
申请日：2021-08-18
发明人： Yoshiaki Satou , Sanshiro Shishido , Yasuo Miyake , Kazuko Nishimura , Hiroshi Iwai , Osamu Shibata
IPC分类号： H04N5/235 , H04N5/232 , H01L27/146 , G06T7/73
摘要： A camera system including an imaging device that captures a first image by a normal exposure including only one exposure and that captures a second image by a multiple exposure including a plurality of exposures; and a control circuit. The the imaging device captures the second image in a first frame period, and the control circuit determines, based on the second image captured in the first frame period, whether to capture an image by the normal exposure or capture an image by the multiple exposure in a second frame period following the first frame period.
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公开(公告)号：US11258970B2
公开(公告)日：2022-02-22
申请号：US16950962
申请日：2020-11-18
发明人： Masaaki Yanagida , Kazuko Nishimura
IPC分类号： H04N5/369 , H04N5/374 , H04N5/378 , H03F1/32 , H03F1/34 , H01L27/146 , H04N5/3745
摘要： In an imaging device, each of first and second pixels in a same column includes a photoelectric converter, a first transistor, and a second transistor wherein a source (or a drain) of the first transistor is connected to the photoelectric converter, a gate of the second transistor is connected to the photoelectric converter, and a source (or a drain) of the second transistor is connected to the drain (or the source) of the first transistor. A first current source is configured to be electrically connected to the source (or the drain) of the second transistor of the first pixel, a second current source is configured to be electrically connected to the source (or the drain) of the second transistor of the second pixel, and a signal line is configured to be electrically connected to the drain (or the source) of the second transistor of the first pixel and to the drain (or the source) of the second transistor of the second pixel.
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公开(公告)号：US10707248B2
公开(公告)日：2020-07-07
申请号：US16045553
申请日：2018-07-25
IPC分类号： H01L27/146 , H04N5/355 , H04N5/374 , H04N5/378
摘要： In one general aspect, the techniques disclosed here feature an imaging device that includes: a semiconductor substrate; a first pixel cell including a first photoelectric converter in the semiconductor substrate, and a first capacitive element one end of which is electrically connected to the first photoelectric converter; and a second pixel cell including a second photoelectric converter in the semiconductor substrate. An area of the second photoelectric converter is larger than an area of the first photoelectric converter in a plan view.
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公开(公告)号：US09544521B2
公开(公告)日：2017-01-10
申请号：US14741452
申请日：2015-06-17
发明人： Masashi Murakami , Kazuko Nishimura , Yutaka Abe
IPC分类号： H04N5/357 , H04N5/374 , H04N5/378 , H01L27/146 , H04N5/361 , H04N5/365 , H04N5/3745
CPC分类号： H04N5/378 , H04N5/3575 , H04N5/3745
摘要： An imaging device comprising: a pixel array that includes pixels arranged in rows and columns, each of the pixels outputting a pixel signal; vertical signal lines each of which is provided for each of the columns; a reference-signal generator that generates a reset signal corresponding to a reset voltage of the pixels; a signal processor that outputs a differential signal corresponding to a difference between the pixel signal and the reset signal; a first switch that is connected between one of the vertical signal lines and the signal processor, the first switch switching between input and interruption of the pixel signal from each of the pixels to the signal processor; and a second switch that is connected between the reference-signal generator and the signal processor, the second switch switching between input and interruption of the reset signal from the reference-signal generator to the signal processor.
摘要翻译： 一种成像装置，包括：像素阵列，包括以行和列排列的像素，每个像素输出像素信号; 垂直信号线各自为每列提供; 参考信号发生器，其生成与像素的复位电压对应的复位信号; 输出对应于像素信号和复位信号之间的差的差分信号的信号处理器; 连接在垂直信号线之一和信号处理器之间的第一开关，第一开关在从像素到信号处理器的像素信号的输入和中断之间切换; 以及连接在参考信号发生器和信号处理器之间的第二开关，第二开关在从参考信号发生器到信号处理器的复位信号的输入和中断之间切换。
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公开(公告)号：US12080732B2
公开(公告)日：2024-09-03
申请号：US18137916
申请日：2023-04-21
发明人： Masashi Murakami , Kazuko Nishimura , Yutaka Abe , Yoshiyuki Matsunaga , Yoshihiro Sato , Junji Hirase
IPC分类号： H01L27/146 , H10K30/00
CPC分类号： H01L27/14609 , H01L27/14632 , H01L27/14643 , H01L27/14665 , H01L27/14636 , H10K30/00
摘要： An imaging device including a semiconductor substrate; a photoelectric converter that converts incident light into a signal charge, the photoelectric converter being stacked on the semiconductor substrate; a node to which the signal charge is input; a transistor having a source and a drain, one of the source and the drain being connected to the node; and a capacitive element connected between the transistor and a voltage source or a ground. The transistor is configured to switch between a first mode and a second mode, a sensitivity in the first mode being different from a sensitivity in the second mode, and in a cross-sectional view, the capacitive element is located between the semiconductor substrate and the photoelectric converter.
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9.发明授权公开(公告)号：US12041382B2
公开(公告)日：2024-07-16
申请号：US17982057
申请日：2022-11-07
发明人： Yoshiaki Satou , Kazuko Nishimura , Yasuo Miyake , Osamu Shibata , Hiroshi Iwai
IPC分类号： H04N5/33 , G03B7/16 , G03B11/04 , G06V10/143 , G06V10/147 , G06V10/50 , G06V10/60 , G06V20/56 , G06V20/59 , G06V30/224 , G06V40/16 , H04N23/10 , H04N23/60 , H04N23/73 , H04N23/74 , H04N23/76
CPC分类号： H04N5/33 , G03B7/16 , G03B11/045 , G06V10/143 , G06V10/147 , G06V10/50 , G06V10/60 , G06V20/588 , G06V20/597 , G06V30/224 , G06V40/168 , H04N23/10 , H04N23/60 , H04N23/73 , H04N23/74 , H04N23/76
摘要： An imaging device including a first filter that passes a first light and a second light; a second filter that blocks the second light; photoelectric converters that have sensitivity to the first light and the second light; and a processor, in which one of the photoelectric converters detects a light passing through the first filter to generate a first signal, one of the photoelectric converters detects a light passing through the first filter and the second filter to generate a second signal, and the processor performs the second light sensing based on the first signal and the second signal.
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公开(公告)号：US12021094B2
公开(公告)日：2024-06-25
申请号：US18077127
申请日：2022-12-07
IPC分类号： H01L27/146 , H04N25/57 , H04N25/585 , H04N25/75 , H04N25/76 , H04N23/50 , H04N23/55
CPC分类号： H01L27/14612 , H01L27/14609 , H01L27/14627 , H01L27/14643 , H04N25/57 , H04N25/585 , H04N25/75 , H04N25/76 , H04N23/50 , H04N23/55
摘要： An imaging device that includes a semiconductor substrate; a first photoelectric converter that is located in the semiconductor substrate and that generates a first signal charge by photoelectric conversion; a first node to which the first signal charge is input; a capacitor having a first terminal coupled to the first node; a second photoelectric converter that is located in the semiconductor substrate and that generates a second signal charge by photoelectric conversion; a second node to which the second signal charge is input; a transistor having a gate coupled to the second node; and a switch element coupled between the first node and the second node, where a number of saturation charges of a first imaging cell including the first photoelectric converter and the capacitor is greater than a number of saturation charges of a second imaging cell including the second photoelectric converter.
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