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    Image sensor having supplemental capacitive coupling node
    1.
    发明授权
    Image sensor having supplemental capacitive coupling node 有权
    具有补充电容耦合节点的图像传感器

    公开(公告)号：US08426796B2

    公开(公告)日：2013-04-23

    申请号：US13619879

    申请日：2012-09-14

    申请人： Duli Mao ,  Hsin-Chih Tai ,  Vincent Venezia ,  Howard E. Rhodes ,  Sohei Manabe

    发明人： Duli Mao ,  Hsin-Chih Tai ,  Vincent Venezia ,  Howard E. Rhodes ,  Sohei Manabe

    IPC分类号： H01L27/146

    CPC分类号： H04N5/35509 ,  H04N5/3559 ,  H04N5/3597 ,  H04N5/37452 ,  H04N5/376

    摘要： An image sensor includes a pixel array, a bit line, a supplemental capacitance node line, and a control circuit. The pixel array includes a plurality of pixel cells each including a floating diffusion (“FD”) node and a photosensitive element coupled to selectively transfer image charge to the FD node. The bit line is coupled to selectively conduct image data output from a first group of the pixel cells. The supplemental capacitance node line is coupled to the FD node of a second group of the pixel cells different from the first group. The control circuit is coupled to the supplemental capacitance node line to selectively increase the potential at the FD node of each of the pixel cells of the second group by selectively asserting a FD boost signal on the supplemental capacitance node line.

    摘要翻译： 图像传感器包括像素阵列，位线，补充电容节点线和控制电路。 像素阵列包括多个像素单元，每个像素单元包括浮动扩散（“FD”）节点和耦合以选择性地将图像电荷传送到FD节点的感光元件。 位线被耦合以选择性地进行从第一组像素单元输出的图像数据。 辅助电容节点线耦合到与第一组不同的第二组像素单元的FD节点。 控制电路通过选择性地在辅助电容节点线上确定FD升压信号来耦合到辅助电容节点线，以选择性地增加第二组的每个像素单元的FD节点的电位。

    Image sensor having supplemental capacitive coupling node
    2.
    发明授权
    Image sensor having supplemental capacitive coupling node 有权
    具有补充电容耦合节点的图像传感器

    公开(公告)号：US08294077B2

    公开(公告)日：2012-10-23

    申请号：US12972188

    申请日：2010-12-17

    申请人： Duli Mao ,  Hsin-Chih Tai ,  Vincent Venezia ,  Howard E. Rhodes ,  Sohei Manabe

    发明人： Duli Mao ,  Hsin-Chih Tai ,  Vincent Venezia ,  Howard E. Rhodes ,  Sohei Manabe

    IPC分类号： H01L27/146

    CPC分类号： H04N5/35509 ,  H04N5/3559 ,  H04N5/3597 ,  H04N5/37452 ,  H04N5/376

    摘要： An image sensor includes a pixel array, a bit line, supplemental capacitance node line, and a supplemental capacitance circuit. The pixel array includes a plurality of pixel cells each including a floating diffusion (“FD”) node and a photosensitive element coupled to selectively transfer image charge to the FD node. The bit line is coupled to selectively conduct image data output from a first group of the pixel cells. The supplemental capacitance node line is coupled to the FD node of a second group of the pixel cells to selectively couple a supplemental capacitance to the FD nodes of the second group in response to a control signal. In various embodiments, the first and second group of pixel cells may be the same group or a different group of the pixel cells and may add a capacitive boost feature or a multi conversion gain feature.

    摘要翻译： 图像传感器包括像素阵列，位线，补充电容节点线和补充电容电路。 像素阵列包括多个像素单元，每个像素单元包括浮动扩散（FD）节点和耦合以选择性地将图像电荷传送到FD节点的感光元件。 位线被耦合以选择性地进行从第一组像素单元输出的图像数据。 辅助电容节点线耦合到第二组像素单元的FD节点，以响应于控制信号选择性地将辅助电容耦合到第二组的FD节点。 在各种实施例中，第一和第二组像素单元可以是相同的组或像素单元的不同组，并且可以添加电容性升压特征或多转换增益特征。

    IMAGE SENSOR HAVING SUPPLEMENTAL CAPACITIVE COUPLING NODE
    9.
    发明申请
    IMAGE SENSOR HAVING SUPPLEMENTAL CAPACITIVE COUPLING NODE 有权
    具有补充电容耦合节点的图像传感器

    公开(公告)号：US20130009043A1

    公开(公告)日：2013-01-10

    申请号：US13619879

    申请日：2012-09-14

    申请人： Duli Mao ,  Hsin-Chih Tai ,  Vincent Venezia ,  Howard E. Rhodes ,  Sohei Manabe

    发明人： Duli Mao ,  Hsin-Chih Tai ,  Vincent Venezia ,  Howard E. Rhodes ,  Sohei Manabe

    IPC分类号： H01L31/113 ,  H01L27/148

    CPC分类号： H04N5/35509 ,  H04N5/3559 ,  H04N5/3597 ,  H04N5/37452 ,  H04N5/376

    摘要： An image sensor includes a pixel array, a bit line, a supplemental capacitance node line, and a control circuit. The pixel array includes a plurality of pixel cells each including a floating diffusion (“FD”) node and a photosensitive element coupled to selectively transfer image charge to the FD node. The bit line is coupled to selectively conduct image data output from a first group of the pixel cells. The supplemental capacitance node line is coupled to the FD node of a second group of the pixel cells different from the first group. The control circuit is coupled to the supplemental capacitance node line to selectively increase the potential at the FD node of each of the pixel cells of the second group by selectively asserting a FD boost signal on the supplemental capacitance node line.

    摘要翻译： 图像传感器包括像素阵列，位线，补充电容节点线和控制电路。 像素阵列包括多个像素单元，每个像素单元包括浮动扩散（FD）节点和耦合以选择性地将图像电荷传送到FD节点的感光元件。 位线被耦合以选择性地进行从第一组像素单元输出的图像数据。 辅助电容节点线耦合到与第一组不同的第二组像素单元的FD节点。 控制电路通过选择性地在辅助电容节点线上确定FD升压信号来耦合到辅助电容节点线，以选择性地增加第二组的每个像素单元的FD节点的电位。

    IMAGE SENSOR HAVING SUPPLEMENTAL CAPACITIVE COUPLING NODE
    10.
    发明申请
    IMAGE SENSOR HAVING SUPPLEMENTAL CAPACITIVE COUPLING NODE 有权
    具有补充电容耦合节点的图像传感器

    公开(公告)号：US20120153123A1

    公开(公告)日：2012-06-21

    申请号：US12972188

    申请日：2010-12-17

    申请人： Duli Mao ,  Hsin-Chih Tai ,  Vincent Venezia ,  Howard E. Rhodes ,  Sohei Manabe

    发明人： Duli Mao ,  Hsin-Chih Tai ,  Vincent Venezia ,  Howard E. Rhodes ,  Sohei Manabe

    IPC分类号： H01L27/146

    CPC分类号： H04N5/35509 ,  H04N5/3559 ,  H04N5/3597 ,  H04N5/37452 ,  H04N5/376

    摘要： An image sensor includes a pixel array, a bit line, supplemental capacitance node line, and a supplemental capacitance circuit. The pixel array includes a plurality of pixel cells each including a floating diffusion (“FD”) node and a photosensitive element coupled to selectively transfer image charge to the FD node. The bit line is coupled to selectively conduct image data output from a first group of the pixel cells. The supplemental capacitance node line is coupled to the FD node of a second group of the pixel cells to selectively couple a supplemental capacitance to the FD nodes of the second group in response to a control signal. In various embodiments, the first and second group of pixel cells may be the same group or a different group of the pixel cells and may add a capacitive boost feature or a multi conversion gain feature.

    摘要翻译： 图像传感器包括像素阵列，位线，补充电容节点线和补充电容电路。 像素阵列包括多个像素单元，每个像素单元包括浮动扩散（“FD”）节点和耦合以选择性地将图像电荷传送到FD节点的感光元件。 位线被耦合以选择性地进行从第一组像素单元输出的图像数据。 辅助电容节点线耦合到第二组像素单元的FD节点，以响应于控制信号选择性地将辅助电容耦合到第二组的FD节点。 在各种实施例中，第一和第二组像素单元可以是相同的组或像素单元的不同组，并且可以添加电容性升压特征或多转换增益特征。