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    • 2. 发明授权
    • Method for driving a photoelectric conversion device with isolation switches arranged between signal lines and amplifiers
    • 用于驱动设置在信号线和放大器之间的隔离开关的光电转换装置的方法
    • US08520108B2
    • 2013-08-27
    • US13085575
    • 2011-04-13
    • Masanori OguraToru KoizumiMasaru Fujimura
    • Masanori OguraToru KoizumiMasaru Fujimura
    • H04N3/14H04N5/335
    • H04N5/378H04N5/3575H04N5/374
    • A photoelectric conversion device prevents a pseudo signal caused by the parasitic capacitance of a transfer switch from being input to an amplifier. A photoelectric conversion device (50) includes a pixel (10) which outputs a signal to a signal line (107), an amplifier which amplifies the signal supplied via the signal line (107), and an isolation switch (121) inserted between a signal line (108) and the input node of the amplifier. The pixel (10) includes a photodiode, a floating diffusion (FD), a transfer switch which transfers the charge of the photodiode to the FD, and an amplification transistor which outputs a signal to a signal line (109) in accordance with the potential of the FD. The isolation switch (121) is turned off at least in a period when a transfer pulse for controlling the transfer switch of the pixel (10) transits.
    • 光电转换装置防止由转印开关的寄生电容引起的伪信号被输入到放大器。 光电转换装置(50)包括向信号线(107)输出信号的像素(10),放大经由信号线(107)供给的信号的放大器和插入在信号线(107)之间的隔离开关 信号线(108)和放大器的输入节点。 像素(10)包括光电二极管,浮动扩散(FD),将光电二极管的电荷传送到FD的转移开关,以及根据电位将信号输出到信号线(109)的放大晶体管 的FD。 至少在用于控制像素(10)的转印开关的转印脉冲转移的期间,隔离开关(121)截止。
    • 6. 发明授权
    • Image capturing system
    • 图像捕获系统
    • US08305472B2
    • 2012-11-06
    • US12039234
    • 2008-02-28
    • Satoshi SuzukiToru Koizumi
    • Satoshi SuzukiToru Koizumi
    • H04N3/14H04N5/335
    • G03B7/093H04N5/2353H04N5/3532H04N5/3575H04N5/374
    • An image capturing system includes an image sensor and a mechanical shutter. A charge accumulation operation of the pixels of each row of the image sensor starts at the end of a reset operation, and ends when the mechanical shutter sets the pixels of each row to a light shield state. The reset operation of the pixels of each row of the image sensor is performed to select rows sequentially in a first direction from an upper surface to a lower surface of a housing. The mechanical shutter ends exposure of the image sensor while causing a shutter curtain to run in the first direction, and a readout operation of the pixels of each row of the image sensor is performed to select rows sequentially in a second direction that is the reverse of the first direction.
    • 图像捕获系统包括图像传感器和机械快门。 图像传感器的每行的像素的电荷累积操作在复位操作结束时开始,并且当机械快门将每行的像素设置为遮光状态时结束。 执行图像传感器的每行的像素的复位操作,以从壳体的上表面到下表面沿第一方向依次选择行。 机械快门在使快门帘幕沿第一方向运动的同时使图像传感器曝光,并且执行图像传感器的每行的像素的读出操作,以与第二方向相反的第二方向依次选择行 第一个方向。
    • 7. 发明授权
    • Image pickup device and camera
    • 摄像设备和相机
    • US08274105B2
    • 2012-09-25
    • US13043808
    • 2011-03-09
    • Toru Koizumi
    • Toru Koizumi
    • H01L31/062
    • H01L27/14603H01L27/14601H01L27/14609H01L27/1463
    • An object is to provide a solid state image pickup device and a camera which do not worsen a sensor performance in terms of an optical property, a saturated charge amount and the like. A solid state image sensor including a pixel region having a plurality of pixels includes at least a photodiode and an amplifying portion amplifying photocharges outputted from the photodiode in the pixel region, and further includes a well electrode for taking well potential of a well region in which the amplifying portion is arranged. Between the well electrode and the photodiode, no element isolation regions by an insulation film are arranged. Moreover, on the surface of a first semiconductor region in which the photodiode stores the charges, a second semiconductor layer of a conductivity type reverse to that of the first semiconductor region is arranged.
    • 本发明的目的是提供一种在光学特性,饱和电荷量等方面不会使传感器性能恶化的固体摄像装置和照相机。 包括具有多个像素的像素区域的固态图像传感器至少包括光电二极管和放大部分,放大从像素区域中的光电二极管输出的光电荷,并且还包括阱电极,用于获得阱区的良好电位,其中 布置放大部分。 在阱电极和光电二极管之间,没有布置绝缘膜的元件隔离区域。 此外,在光电二极管存储电荷的第一半导体区域的表面上,设置与第一半导体区域相反的导电类型的第二半导体层。