IMAGE SENSOR INCLUDING A BACK VIA STACK

    公开(公告)号:US20220028915A1

    公开(公告)日:2022-01-27

    申请号:US17327885

    申请日:2021-05-24

    Abstract: An image sensor includes a first structure including a first substrate, and a first internal wiring structure on the first substrate. The first substrate includes an active pixel region and a through electrode region around the active pixel region. The first internal wiring structure includes a plurality of first internal wiring patterns. The image sensor further includes a second structure including a second substrate and a second internal wiring structure on the second substrate. The second substrate is arranged on the first substrate. The image sensor additionally includes a through electrode layer arranged in the through electrode region to at least partially fill a through electrode trench, which penetrates the first substrate, and to connect the first internal wiring structure to the second internal wiring structure.

    IMAGE SENSOR
    4.
    发明公开
    IMAGE SENSOR 审中-公开

    公开(公告)号:US20230142858A1

    公开(公告)日:2023-05-11

    申请号:US17814085

    申请日:2022-07-21

    Abstract: An image sensor includes a substrate including a plurality of photoelectric conversion elements and a variable filter layer disposed on the substrate. The variable filter layer includes a plurality of first electrodes extending in a first direction, and having a first width in a second direction, a first electro-optical material layer disposed on the plurality of first electrodes, a light-transmitting electrode disposed on the first electro-optical material layer, a second electro-optical material layer disposed on the light-transmitting electrode, and a plurality of second electrodes disposed on the second electro-optical material layer, extending in the second direction, and having a second width in the first direction.

    IMAGE SENSOR
    5.
    发明申请

    公开(公告)号:US20220093657A1

    公开(公告)日:2022-03-24

    申请号:US17343062

    申请日:2021-06-09

    Abstract: An image sensor including a first pixel, a second pixel, a pixel isolation structure between the first pixel and the second pixel, a first rear anti-reflecting layer disposed on the first pixel, the second pixel, and the pixel isolation structure; a fence disposed on the first rear anti-reflecting layer, the fence being aligned with the pixel isolation structure; and a second rear anti-reflecting layer disposed on the first rear anti-reflecting layer and the fence, wherein an air gap is present between the first rear anti-reflecting layer and the fence, and wherein the air gap is surrounded by the second rear anti-reflecting layer.

    IMAGE SENSOR
    6.
    发明申请

    公开(公告)号:US20250031476A1

    公开(公告)日:2025-01-23

    申请号:US18669876

    申请日:2024-05-21

    Abstract: An image sensor includes a first semiconductor chip including a first semiconductor substrate including a plurality of pixels and a first wiring structure having a first bonding pad; a second semiconductor chip including a second semiconductor substrate having pixel signal generator circuits, a second wiring structure on the second semiconductor substrate and having an upper bonding pad bonded to the first bonding pad, a back side insulating layer on a lower surface of the second semiconductor substrate and including a shielding metal pattern buried therein, and a conductive through-via penetrating the back side insulating layer and the first semiconductor substrate, and a third semiconductor chip including a bonding layer having a lower bonding pad connected to the conductive through via, a third semiconductor substrate including logic devices, and a third wiring structure having a third bonding pad bonded to the lower bonding pad.

    IMAGE SENSOR
    7.
    发明申请

    公开(公告)号:US20220149101A1

    公开(公告)日:2022-05-12

    申请号:US17377792

    申请日:2021-07-16

    Abstract: An image sensor includes a first chip including a pixel region, a pad region, and an optical black region interposed between the pixel region and the pad region, and a second chip being in contact with a first surface of the first chip and including circuits for driving the first chip. The first chip includes a first substrate, a device isolation portion disposed in the first substrate and defining unit pixels, an interlayer insulating layer interposed between the first substrate and the second chip, a connection wiring structure disposed in the interlayer insulating layer, and a connection contact plug disposed in the interlayer insulating layer and connecting the connection wiring structure to the device isolation portion in the optical black region. The image sensor further includes a conductive pad disposed in the first chip or the second chip.

    IMAGE SENSOR
    8.
    发明申请

    公开(公告)号:US20240395845A1

    公开(公告)日:2024-11-28

    申请号:US18796684

    申请日:2024-08-07

    Abstract: An image sensor includes a first chip including a pixel region, a pad region, and an optical black region interposed between the pixel region and the pad region, and a second chip being in contact with a first surface of the first chip and including circuits for driving the first chip. The first chip includes a first substrate, a device isolation portion disposed in the first substrate and defining unit pixels, an interlayer insulating layer interposed between the first substrate and the second chip, a connection wiring structure disposed in the interlayer insulating layer, and a connection contact plug disposed in the interlayer insulating layer and connecting the connection wiring structure to the device isolation portion in the optical black region. The image sensor further includes a conductive pad disposed in the first chip or the second chip.

    IMAGE SENSOR
    10.
    发明公开
    IMAGE SENSOR 审中-公开

    公开(公告)号:US20230282669A1

    公开(公告)日:2023-09-07

    申请号:US18155868

    申请日:2023-01-18

    Abstract: An image sensor includes a first structure and a second structure stacked on the first structure in a vertical direction, the first structure including first and second pixel pads electrically connected to first and second floating diffusion regions, respectively, and a first coupling suppression line penetrating between the first and second pixel pads, and electrically connected to the first ground structure, and the second structure including third and fourth pixel pads electrically connected to first and second source-follower gates, respectively; and a second coupling suppression line penetrating between the third and fourth pixel pads, and electrically connected to the second ground structure.

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