IMAGE SENSING DEVICE AND OPERATING METHOD THEREOF

    公开(公告)号:US20220124266A1

    公开(公告)日:2022-04-21

    申请号:US17211268

    申请日:2021-03-24

    Applicant: SK hynix Inc.

    Abstract: Disclosed is an image sensing device and an operating method thereof, and the image sensing device may include a first unit pixel circuit disposed in a first row, including a first floating diffusion node, and suitable for outputting a first pixel signal through a column line, a second unit pixel circuit disposed in a second row, including a second floating diffusion node, and suitable for outputting a second pixel signal through the column line, and a first coupling circuit suitable for selectively coupling the first floating diffusion node to the second floating diffusion node based on a first mode control signal,

    IMAGE SENSOR
    2.
    发明申请

    公开(公告)号:US20210335868A1

    公开(公告)日:2021-10-28

    申请号:US17012782

    申请日:2020-09-04

    Applicant: SK hynix Inc.

    Abstract: An image sensor is disclosed, which relates to technology for detecting the distance to a target object. The image sensor includes a first tap configured to capture and accumulate signal carriers, and a second tap spaced apart a set distance from the first tap. The first tap and the second tap are disposed in a diagonal direction at opposite vertex regions of a unit pixel.

    IMAGE SENSING DEVICE
    3.
    发明申请

    公开(公告)号:US20220286637A1

    公开(公告)日:2022-09-08

    申请号:US17468295

    申请日:2021-09-07

    Applicant: SK hynix Inc.

    Abstract: An image sensing device includes: a control circuit coupled between an output terminal of a pixel signal and a high voltage terminal, and configured to generate a control voltage corresponding to a voltage level of the pixel signal; and a current supplying circuit coupled between the output terminal and the high voltage terminal, and configured to supply a pre-charge current, which is configured to be adaptively adjusted according to the voltage level of the pixel signal, to the output terminal based on the control voltage.

    IMAGE SENSING DEVICE AND OPERATING METHOD THEREOF

    公开(公告)号:US20210289152A1

    公开(公告)日:2021-09-16

    申请号:US16996338

    申请日:2020-08-18

    Applicant: SK hynix Inc.

    Abstract: Disclosed is an image sensing device and an operating method thereof, and the image sensing device may include a light detection circuit coupled between a low voltage terminal and a first node, a first transmission circuit coupled between the first node and a second node, a storage circuit coupled between the second node and a third node, a first coupling circuit coupled between the third node and a high voltage terminal, a second transmission circuit coupled between the third node and the first node, and a second coupling circuit coupled between the second node and the high voltage terminal.

    IMAGE SENSING DEVICE AND OPERATING METHOD THEREOF

    公开(公告)号:US20210314511A1

    公开(公告)日:2021-10-07

    申请号:US17023008

    申请日:2020-09-16

    Applicant: SK hynix Inc.

    Abstract: Disclosed are an image sensing device and an operating method thereof, and the image sensing device may include a charge sensing element suitable for generating first charges, which correspond to incident light, based on a photo control signal; a reset element suitable for resetting the charge sensing element based on a reset signal; a floating diffusion node suitable for accumulating the first charges; a compensation element suitable for selectively supplying a compensation current to the floating diffusion node based on a compensation control signal; and a selection element suitable for outputting a pixel signal, which corresponds to a voltage on the floating diffusion node, to a readout line based on a selection signal.

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