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    IMAGE SENSOR SUPPORTING VARIOUS OPERATING MODES AND OPERATING METHOD THEREOF
    2.
    发明申请
    IMAGE SENSOR SUPPORTING VARIOUS OPERATING MODES AND OPERATING METHOD THEREOF 有权

    公开(公告)号：US20210344861A1

    公开(公告)日：2021-11-04

    申请号：US17375100

    申请日：2021-07-14

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Minji Hwang ,  Hyosang Kim ,  Haesick Sul ,  Seung Hyun Lim

    IPC: H04N5/378 ,  H04N5/345 ,  H04N5/347 ,  H04N5/3745 ,  H04N9/04 ,  H04N5/369 ,  H01L27/146

    Abstract: Disclosed is an image sensor. The image sensor includes an active pixel sensor array including first to fourth pixel units sequentially arranged in a column direction, and each of the first to fourth pixel units is composed of a plurality of pixels. A first pixel group including the first and second pixel units is connected to a first column line, and a second pixel group including the third pixel unit and the fourth pixel unit is connected to a second column line. The image sensor includes a correlated double sampling circuit including first and second correlated double samplers and configured to convert a first sense voltage sensed from a selected pixel of the first pixel group and a second sense voltage sensed from a selected pixel of the second pixel group into a first correlated double sampling signal and a second correlated double sampling signal, respectively.

    Image sensor including pixel array
    3.
    发明授权
    Image sensor including pixel array 有权

    公开(公告)号：US12143739B2

    公开(公告)日：2024-11-12

    申请号：US17857812

    申请日：2022-07-05

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Yunhong Kim ,  Yunhwan Jung ,  Heesung Chae ,  Mooyoung Kim ,  Haesick Sul

    IPC: H04N25/75 ,  H04N25/63 ,  H04N25/633

    Abstract: An image sensor may include a pixel array a pixel array including an active pixel and an optical black pixel, the active pixel configured to generate a first pixel signal, and the optical black pixel configured to generate a second pixel signal, a first biasing circuit configured to bias the first pixel signal based on a first bias voltage, a first analog-to-digital converter configured to convert the biased first pixel signal into a first digital signal, a second biasing circuit configured to bias the second pixel signal based on a second bias voltage, and a second analog-to-digital converter configured to convert the biased second pixel signal into a second digital signal, the second digital signal configured to generate smaller random noise than the first analog-to-digital converter.

    IMAGE SENSOR HAVING REDUCED PARASITIC CAPACITANCE
    4.
    发明申请
    IMAGE SENSOR HAVING REDUCED PARASITIC CAPACITANCE 有权

    公开(公告)号：US20210120200A1

    公开(公告)日：2021-04-22

    申请号：US16890422

    申请日：2020-06-02

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Sunyool Kang ,  Yongjun Cho ,  Yunhwan Jung ,  Heesung Chae ,  Kyungmin Kim ,  Haesick Sul ,  Sukki Yoon

    IPC: H04N5/3745 ,  H01L27/146

    Abstract: An image sensor, including a pixel array including a plurality of pixels connected to row lines extending in a first direction and column lines extending in a second direction intersecting the first direction; a ramp voltage generator configured to output a ramp voltage; a sampling circuit including a plurality of comparators, each comparator of the plurality of comparators having a first input terminal connected to a column of the column lines and a second input terminal configured to receive the ramp voltage; and an analog-to-digital converter configured to convert an output of the plurality of comparators to a digital signal, wherein the plurality of comparators include a first comparator connected to a first column line, and a second comparator connected to a second column line adjacent to the first column line in the first direction, wherein each of the first comparator and the second comparator includes a first transistor and a second transistor disposed sequentially in the second direction, and wherein a gap between the first transistor of the first comparator and the second transistor of the first comparator is different from a gap between the first transistor of the second comparator and the second transistor of the second comparator.

    Image sensor having reduced parasitic capacitance
    5.
    发明授权
    Image sensor having reduced parasitic capacitance 有权

    公开(公告)号：US11606523B2

    公开(公告)日：2023-03-14

    申请号：US16890422

    申请日：2020-06-02

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Sunyool Kang ,  Yongjun Cho ,  Yunhwan Jung ,  Heesung Chae ,  Kyungmin Kim ,  Haesick Sul ,  Sukki Yoon

    IPC: H04N5/3745 ,  H01L27/146

    Abstract: An image sensor, including a pixel array including a plurality of pixels connected to row lines extending in a first direction and column lines extending in a second direction intersecting the first direction; a ramp voltage generator configured to output a ramp voltage; a sampling circuit including a plurality of comparators, each comparator of the plurality of comparators having a first input terminal connected to a column of the column lines and a second input terminal configured to receive the ramp voltage; and an analog-to-digital converter configured to convert an output of the plurality of comparators to a digital signal, wherein the plurality of comparators include a first comparator connected to a first column line, and a second comparator connected to a second column line adjacent to the first column line in the first direction, wherein each of the first comparator and the second comparator includes a first transistor and a second transistor disposed sequentially in the second direction, and wherein a gap between the first transistor of the first comparator and the second transistor of the first comparator is different from a gap between the first transistor of the second comparator and the second transistor of the second comparator.

    Image sensor supporting various operating modes and operating method thereof
    6.
    发明授权
    Image sensor supporting various operating modes and operating method thereof 有权

    公开(公告)号：US11516424B2

    公开(公告)日：2022-11-29

    申请号：US17375100

    申请日：2021-07-14

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Minji Hwang ,  Hyosang Kim ,  Haesick Sul ,  Seung Hyun Lim

    IPC: H04N5/378 ,  H04N5/345 ,  H04N5/347 ,  H04N5/3745 ,  H04N9/04 ,  H04N5/369 ,  H01L27/146

    Abstract: Disclosed is an image sensor. The image sensor includes an active pixel sensor array including first to fourth pixel units sequentially arranged in a column direction, and each of the first to fourth pixel units is composed of a plurality of pixels. A first pixel group including the first and second pixel units is connected to a first column line, and a second pixel group including the third pixel unit and the fourth pixel unit is connected to a second column line. The image sensor includes a correlated double sampling circuit including first and second correlated double samplers and configured to convert a first sense voltage sensed from a selected pixel of the first pixel group and a second sense voltage sensed from a selected pixel of the second pixel group into a first correlated double sampling signal and a second correlated double sampling signal, respectively.

    IMAGE SENSOR SUPPORTING VARIOUS OPERATING MODES AND OPERATING METHOD THEREOF
    7.
    发明申请
    IMAGE SENSOR SUPPORTING VARIOUS OPERATING MODES AND OPERATING METHOD THEREOF 审中-公开

    公开(公告)号：US20200154071A1

    公开(公告)日：2020-05-14

    申请号：US16740545

    申请日：2020-01-13

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Minji Hwang ,  Hyosang Kim ,  Haesick Sul ,  Seung Hyun Lim

    IPC: H04N5/378 ,  H01L27/146 ,  H04N9/04 ,  H04N5/3745 ,  H04N5/347 ,  H04N5/345

    Abstract: Disclosed is an image sensor. The image sensor includes an active pixel sensor array including first to fourth pixel units sequentially arranged in a column direction, and each of the first to fourth pixel units is composed of a plurality of pixels. A first pixel group including the first and second pixel units is connected to a first column line, and a second pixel group including the third pixel unit and the fourth pixel unit is connected to a second column line. The image sensor includes a correlated double sampling circuit including first and second correlated double samplers and configured to convert a first sense voltage sensed from a selected pixel of the first pixel group and a second sense voltage sensed from a selected pixel of the second pixel group into a first correlated double sampling signal and a second correlated double sampling signal, respectively.

    Image sensor sampling pixel signal multiple times and an operating method of the image sensor
    8.
    发明授权
    Image sensor sampling pixel signal multiple times and an operating method of the image sensor 有权

    公开(公告)号：US11924569B2

    公开(公告)日：2024-03-05

    申请号：US17824607

    申请日：2022-05-25

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Yunhong Kim ,  Heesung Chae ,  Yunhwan Jung ,  Haesick Sul

    IPC: H04N25/75 ,  H04N25/701 ,  H04N25/772

    CPC classification number: H04N25/75 ,  H04N25/701 ,  H04N25/772

    Abstract: An image sensor for sampling a pixel signal a plurality of times during a readout time includes an analog comparator configured to compare a signal level of the pixel signal with a signal level of a target ramp signal that is any one of a plurality of ramp signals, a counter configured to output counting data based on a comparison result of the analog comparator, and a digital comparing circuit configured to compare a binary value of a target reference code corresponding to the target ramp signal with a binary value of the counting data and determine whether to output a digital signal corresponding to the counting data to a data output circuit based on a result of the comparison between the binary value of the counting data and the binary value of the target reference code.

    Image sensor supporting various operating modes and operating method thereof
    9.
    发明授权
    Image sensor supporting various operating modes and operating method thereof 有权

    公开(公告)号：US10574929B2

    公开(公告)日：2020-02-25

    申请号：US16523021

    申请日：2019-07-26

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Minji Hwang ,  Hyosang Kim ,  Haesick Sul ,  Seung Hyun Lim

    IPC: H04N5/378 ,  H04N9/04 ,  H04N5/3745 ,  H04N5/345 ,  H01L27/146 ,  H04N5/347

    Abstract: Disclosed is an image sensor. The image sensor includes an active pixel sensor array including first to fourth pixel units sequentially arranged in a column direction, and each of the first to fourth pixel units is composed of a plurality of pixels. A first pixel group including the first and second pixel units is connected to a first column line, and a second pixel group including the third pixel unit and the fourth pixel unit is connected to a second column line. The image sensor includes a correlated double sampling circuit including first and second correlated double samplers and configured to convert a first sense voltage sensed from a selected pixel of the first pixel group and a second sense voltage sensed from a selected pixel of the second pixel group into a first correlated double sampling signal and a second correlated double sampling signal, respectively.

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