Image sensor
    13.
    发明授权

    公开(公告)号:US11653110B2

    公开(公告)日:2023-05-16

    申请号:US17476220

    申请日:2021-09-15

    CPC classification number: H04N5/3532 H01L27/14612 H01L27/14643 H04N5/378

    Abstract: An image sensor is disclosed. The image sensor includes a plurality of pixels arranged in a plurality of rows and a plurality of columns, each of the pixels including: a photodiode; a floating diffusion node configured to accumulate photocharges generated from the photodiode; a first capacitor configured to store charges according to a voltage of the floating diffusion node which is reset; a second capacitor configured to store charges according to a voltage of the floating diffusion node in which the photocharges are accumulated; a first sampling transistor connected to a first output node and configured to sample charges to the first capacitor; a second sampling transistor connected to the first output node and configured to sample charges to the second capacitor; and at least one precharge select transistor connected to the first output node and configured to reset the first output node.

    Image sensors
    14.
    发明授权

    公开(公告)号:US11545526B2

    公开(公告)日:2023-01-03

    申请号:US17386821

    申请日:2021-07-28

    Abstract: An image sensor includes a substrate including a first surface and a second surface, a first transmission gate electrode on the first surface of the substrate, a storage node on the first surface of the substrate and including a first storage gate electrode isolated from direct contact with the first transmission gate electrode, a dielectric layer on the first storage gate electrode, and a semiconductor layer on the dielectric layer. The image sensor may include a first cover insulating layer on the semiconductor layer and vertically overlapping the first transmission gate electrode, and an organic photoelectric conversion layer on an upper surface of the semiconductor layer and an upper surface of the first cover insulating layer.

    Image sensor and driving method thereof

    公开(公告)号:US11025844B2

    公开(公告)日:2021-06-01

    申请号:US16674202

    申请日:2019-11-05

    Abstract: A method of driving an image sensor includes integrating an overflowed charge from a photodiode in the floating diffusion area and a dynamic range capacitor. The dynamic range capacitor is formed between the floating diffusion area and a power supply voltage. The method further includes sampling a first voltage formed in the floating diffusion area by the integrated overflowed charge, resetting the photodiode, the floating diffusion area, and the dynamic range capacitor, sampling a reset level of the reset floating diffusion area, transferring a charge accumulated in the photodiode to the floating diffusion area, and sampling a second voltage formed in the floating diffusion area.

    IMAGE SENSOR AND IMAGE PROCESSING DEVICE INCLUDING THE SAME

    公开(公告)号:US20240107195A1

    公开(公告)日:2024-03-28

    申请号:US18240483

    申请日:2023-08-31

    CPC classification number: H04N25/771 H04N23/667 H04N25/531 H04N25/532

    Abstract: An image sensor comprising a pixel array in which a plurality of pixels are arranged and a row driver . Each of the pixel includes a photodiode, a transfer transistor for transferring photocharges of the photodiode to a floating diffusion node (FD), a conversion gain control transistor, a first source follower for amplifying and outputting the voltage of the FD to a first node, a precharge selection transistor connected between the first node and a second node, a first capacitor, a first sampling transistor connected between the second node and the first capacitor, a second capacitor, a second sampling transistor connected between the second node and the second capacitor, a second source follower for amplifying a voltage of the second node, a first selection transistor connected between the second source follower and a column line, and a second selection transistor connected between the first node and the column line.

    Image sensor, an imaging device and a method of operating the same

    公开(公告)号:US11750942B2

    公开(公告)日:2023-09-05

    申请号:US17577566

    申请日:2022-01-18

    Inventor: Jaekyu Lee

    Abstract: An image sensor including: first and second capacitors; a first transistor between a photodiode and a floating diffusion node, and receiving a transfer signal; a second transistor between a first power terminal and the floating diffusion node and receiving a reset signal; a third transistor between a second power terminal and a first node and having a gate connected to the floating diffusion node; a fourth transistor between the first node and a column line and receiving a precharge signal; a fifth transistor between the first capacitor and a feedback node and receiving a first sampling signal; a sixth transistor between the second capacitor and feedback node and receiving a second sampling signal; a seventh transistor between the first node and feedback node and receiving a first switch signal; and an eighth transistor between the floating diffusion and feedback nodes and receiving a second switch signal.

    Image sensor chips having sub-chips

    公开(公告)号:US10763294B2

    公开(公告)日:2020-09-01

    申请号:US16203912

    申请日:2018-11-29

    Abstract: An image sensor chip may include a first sub-chip, a second sub-chip on the first sub-chip, and an interconnector between the first and second sub-chips. The first sub-chip may include a first substrate, a bottom electrode on a first region of the first substrate, and a first capacitor on the bottom electrode. The first capacitor may include a plurality of first electrodes vertically extending from a top surface of the bottom electrode, a second electrode on the first electrodes, and a first dielectric layer between the second electrode and the first electrodes. The second sub-chip may include a pixel array configured to convert incident light into an electrical signal. The pixel array may be electrically connected through the interconnector to the first capacitor.

    Image Sensor Chips Having Sub-Chips
    19.
    发明申请

    公开(公告)号:US20190267423A1

    公开(公告)日:2019-08-29

    申请号:US16203912

    申请日:2018-11-29

    Abstract: An image sensor chip may include a first sub-chip, a second sub-chip on the first sub-chip, and an interconnector between the first and second sub-chips. The first sub-chip may include a first substrate, a bottom electrode on a first region of the first substrate, and a first capacitor on the bottom electrode. The first capacitor may include a plurality of first electrodes vertically extending from a top surface of the bottom electrode, a second electrode on the first electrodes, and a first dielectric layer between the second electrode and the first electrodes. The second sub-chip may include a pixel array configured to convert incident light into an electrical signal. The pixel array may be electrically connected through the interconnector to the first capacitor.

    Semiconductor devices including vertical channel transistors

    公开(公告)号:US10199497B2

    公开(公告)日:2019-02-05

    申请号:US15672767

    申请日:2017-08-09

    Abstract: A semiconductor device includes an active pillar that protrudes above a substrate, the active pillar including a pair of vertical sections and a body interconnection between the pair of vertical sections, and each of the pair of vertical sections having a channel body and a lower impurity region below the channel body, word lines coupled to respective channel bodies, and buried bit lines in contact with respective lower impurity regions, wherein the channel bodies are connected to the substrate through the body interconnection.

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