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公开(公告)号：US20200177787A1
公开(公告)日：2020-06-04
申请号：US16782411
申请日：2020-02-05
Inventor： Yoshiaki SATOU , Yasuo MIYAKE , Yasunori INOUE , Tokuhiko TAMAKI
Abstract: An imaging device includes a pixel including a photoelectric converter, where the pixel captures first data in a first exposure period and captures second data in a second exposure period different from the first exposure period, the first exposure period and the second exposure period being included in a frame period. A sensitivity of the photoelectric converter in the first exposure period is different from a sensitivity of the photoelectric converter in the second exposure period, and the imaging device generates multiple-exposure image data including at least the first data and the second data.
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公开(公告)号：US20210265583A1
公开(公告)日：2021-08-26
申请号：US17313563
申请日：2021-05-06
Inventor： Masaya HIRADE , Manabu NAKATA , Katsuya NOZAWA , Yasunori INOUE
Abstract: A method for manufacturing a photoelectric conversion element includes providing a base structure including a semiconductor substrate having a principal surface, a first electrode located on or above the principal surface, second electrodes which are located on or above the principal surface and which are one- or two-dimensionally arranged, and a photoelectric conversion film covering at least the second electrodes; forming a mask layer on the photoelectric conversion film, the mask layer being conductive and including a covering section covering a portion of the photoelectric conversion film that overlaps the second electrodes in plan view; and partially removing the photoelectric conversion film by immersing the base structure and the mask layer in an etchant.
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公开(公告)号：US20220224847A1
公开(公告)日：2022-07-14
申请号：US17708871
申请日：2022-03-30
Inventor： Masashi MURAKAMI , Kazuko NISHIMURA , Yasuo MIYAKE , Yasunori INOUE
IPC: H04N5/355
Abstract: 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：US20210167101A1
公开(公告)日：2021-06-03
申请号：US17173885
申请日：2021-02-11
Inventor： Masashi MURAKAMI , Kazuko NISHIMURA , Yasuo MIYAKE , Yasunori INOUE
IPC: H01L27/146 , H01L27/142 , H01L31/14
Abstract: An imaging device includes: a photoelectric converter including first and second electrodes, and a photoelectric conversion layer located between the first electrode and the second electrode; a voltage supply circuit applying a bias voltage between the first electrode and the second electrode; an amplifier transistor including a gate electrically connected to the second electrode, the amplifier transistor configured to output a signal corresponding to a potential of the second electrode; and a detection circuit configured to detect a level of the signal from the amplifier transistor. The voltage supply circuit applies the bias voltage in a first voltage range when the level detected by the detection circuit is greater than or equal to a first threshold value, and applies the bias voltage in a second voltage range that is greater than the first voltage range when the level detected by the detection circuit is less than a second threshold value.
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公开(公告)号：US20200321365A1
公开(公告)日：2020-10-08
申请号：US16907742
申请日：2020-06-22
Inventor： Masashi MURAKAMI , Kazuko NISHIMURA , Yasuo MIYAKE , Yasunori INOUE
IPC: H01L27/146 , H04N5/3745 , H01L27/142 , H01L31/14 , H04N5/374 , H04N5/355
Abstract: An imaging device includes: a photoelectric converter including first and second electrodes, and a photoelectric conversion layer located between the first electrode and the second electrode; a voltage supply circuit applying a bias voltage between the first electrode and the second electrode: an amplifier transistor including a gate electrically connected to the second electrode, the amplifier transistor configured to output a signal corresponding to a potential of the second electrode; and a detection circuit configured to detect a level of the signal from the amplifier transistor. The voltage supply circuit applies the bias voltage in a first voltage range when the level detected by the detection circuit is greater than or equal to a first threshold value, and applies the bias voltage in a second voltage range that is greater than the first voltage range when the level detected by the detection circuit is less than a second threshold value.
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Patent Agency Ranking
公开(公告)号：US20230253424A1
公开(公告)日：2023-08-10
申请号：US18300928
申请日：2023-04-14
Inventor： Masashi MURAKAMI , Kazuko NISHIMURA , Yasuo MIYAKE , Yasunori INOUE
IPC: H01L27/146 , H01L27/142 , H01L31/14 , H10K39/32
CPC classification number: H01L27/1461 , H01L27/142 , H01L31/143 , H01L27/14665 , H01L27/14601 , H01L27/14609 , H10K39/32 , H04N25/76
Abstract: A camera system including a photoelectric convertor including a first and second electrode, and a photoelectric conversion layer; and a correction circuit correcting a signal corresponding to a potential change of the second electrode. The photoelectric convertor has a photoelectric conversion characteristic in which rate of change of the photoelectric conversion efficiency with respect to a first bias voltage between the first electrode and the second electrode when the first bias voltage is in a first voltage range, is greater than the rate of change with respect to a second bias voltage when the second bias voltage is in a second voltage range that is higher than the first voltage range, and a bias voltage between the first electrode and the second electrode exists in the first voltage range, and the correction circuit corrects the signal so that variation of an output regarding an amount of incident light becomes linear.
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公开(公告)号：US20240297200A1
公开(公告)日：2024-09-05
申请号：US18659863
申请日：2024-05-09
Inventor： Masashi MURAKAMI , Kazuko NISHIMURA , Yasuo MIYAKE , Yasunori INOUE
IPC: H01L27/146 , H01L27/142 , H01L31/14 , H04N25/571 , H04N25/76 , H04N25/77 , H10K30/80 , H10K39/32 , H10K50/80
CPC classification number: H01L27/14665 , H01L27/142 , H01L27/14601 , H01L27/14609 , H01L27/1461 , H01L31/143 , H10K39/32 , H04N25/571 , H04N25/76 , H04N25/77 , H10K30/80 , H10K50/80
Abstract: An imaging device including a photoelectric convertor that includes a first electrode, a second electrode, and a photoelectric conversion layer located between the first electrode and the second electrode. The photoelectric convertor has a photoelectric conversion characteristic in which a rate of change of the photoelectric conversion efficiency of the photoelectric convertor with respect to a first bias voltage between the first electrode and the second electrode when the first bias voltage is in a first voltage range, is greater than the rate of change with respect to a second bias voltage when the second bias voltage is in a second voltage range that is higher than the first voltage range, and a first voltage is applied to the first electrode or the second electrode so that a bias voltage between the first electrode and the second electrode exists in the first voltage range.
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公开(公告)号：US20210250487A1
公开(公告)日：2021-08-12
申请号：US17243101
申请日：2021-04-28
Inventor： Yoshiaki SATOU , Yasuo MIYAKE , Yasunori INOUE , Tokuhiko TAMAKI
IPC: H04N5/235 , H04N5/353 , H04N5/355 , H04N5/374 , G03B7/08 , H04N5/369 , H04N5/232 , H04N5/262 , H01L27/146
Abstract: An imaging device including a pixel, and a controller that sets a sensitivity of the pixel according to an external signal, where the external signal includes sound, vibration or inclination.
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公开(公告)号：US20210225940A1
公开(公告)日：2021-07-22
申请号：US17222885
申请日：2021-04-05
Inventor： Manabu NAKATA , Masumi IZUCHI , Shinichi MACHIDA , Yasunori INOUE
IPC: H01L27/30 , H04N5/374 , H04N9/04 , H04N5/369 , H04N5/33 , H04N9/07 , H01L27/28 , H01L51/00 , H01L51/42
Abstract: An imaging device includes at least one unit pixel cell including a photoelectric converter and a voltage application circuit. The photoelectric converter includes a first electrode, a light-transmitting second electrode, a first photoelectric conversion layer containing a first material and a second photoelectric conversion layer containing a second material. The impedance of the first photoelectric conversion layer is larger than the impedance of the second photoelectric conversion layer. The voltage application circuit applies a first voltage or a second voltage having a larger absolute value than the first voltage selectively between the first electrode and the second electrode.
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公开(公告)号：US20210092312A1
公开(公告)日：2021-03-25
申请号：US17116121
申请日：2020-12-09
Inventor： Masashi MURAKAMI , Kazuko NISHIMURA , Yasuo MIYAKE , Yasunori INOUE
IPC: H04N5/355
Abstract: An imaging device including a photoelectric converter including a first electrode, a second electrode, and a photoelectric conversion layer; a voltage supply circuit that applies a bias voltage between the first electrode and the second electrode; an amplifier transistor including a gate electrically connected to the second electrode, the amplifier transistor being configured to output a signal that corresponds to a potential of the gate; and a detection circuit that is configured to detect a level of the signal from the amplifier transistor. The voltage supply circuit applies the bias voltage in a first voltage range, in a case where the level detected by the detection circuit is less than a first threshold value, and applies the bias voltage in a second voltage range that is greater than the first voltage range, in a case where the level detected by the detection circuit is greater than a second threshold value.
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