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    • 52. 发明授权
    • Solid-state imaging device, its driving method, and camera system
    • 固态成像装置,其驱动方法和相机系统
    • US07068315B1
    • 2006-06-27
    • US09612752
    • 2000-07-10
    • Ryoji SuzukiTakahisa Ueno
    • Ryoji SuzukiTakahisa Ueno
    • H04N5/335H01L31/113H01L27/148H01L27/00
    • H04N5/3532
    • In an X-Y address imaging device having an electronic shutter function, a vertical driving section includes a vertical scanning circuit and a vertical shutter scanning circuit. A horizontal driving section includes a horizontal scanning circuit and a horizontal shutter scanning circuit. The horizontal shutter scanning circuit selects, on a pixel basis, a pixel for which to perform a shutter operation from the pixels of a read pixel row selected by the vertical scanning section. After a lapse of an exposure time that is an integral multiple of a one-pixel selection period, a signal of the selected pixel is read out by scanning by the horizontal scanning circuit. This realizes an electronic shutter that enables not only an exposure time that is an integral multiple of 1H but also an exposure time having a time shorter than 1H as a unit.
    • 在具有电子快门功能的X-Y地址成像装置中,垂直驱动部分包括垂直扫描电路和垂直快门扫描电路。 水平驱动部分包括水平扫描电路和水平快门扫描电路。 水平快门扫描电路在像素的基础上从由垂直扫描部选择的读取像素行的像素中选择执行快门操作的像素。 经过一个像素选择周期的整数倍的曝光时间后,通过水平扫描电路的扫描来读出所选择的像素的信号。 这实现了电子快门,其不仅使得作为1H的整数倍的曝光时间,而且使得具有比时间短于1H的时间的曝光时间。
    • 56. 发明授权
    • Solid-state pickup element and method for producing the same
    • US06590270B2
    • 2003-07-08
    • US09838095
    • 2001-04-19
    • Ryoji Suzuki
    • Ryoji Suzuki
    • H01L310232
    • H01L31/0232H01L27/14625H01L27/14627H01L27/14645
    • The invention relates to a color solid-state pickup element and a method for producing the same, which can improve the sensitivity by efficiently utilizing light received by the element surface and has an excellent color reappearance property, wherein, in a solid-state pickup element having light receptive elements arrayed and formed on the surface side of a substrate, a light polarizing prism that polarizes light he that has entered from the surface side of the substrate, distributes and irradiates spectral light ha of specified wavelength bands onto a plurality of light receptive areas is provided on the substrate in which the light receptive areas are arrayed and formed; the second light condensing lens that condenses light he irradiated on the surface side of the substrate is provided on the light polarizing prism; an in-layer lens that makes the light hc condensed by the second light condensing lens into a parallel beam hb and causes it to enter the light polarizing prism is provided between the second light condensing lens and the light polarizing prism; and further the first light condensing lens that condenses the respective spectral light ha polarized by the light polarizing prism onto the light receptive areas is provided between the respective light receptive area a and the light polarizing prism.
    • 58. 发明授权
    • Solid state image sensing device and image signal processing method of the same
    • 固态摄像装置和图像信号处理方法相同
    • US06339215B1
    • 2002-01-15
    • US09546168
    • 2000-04-11
    • Kazuya YonemotoTakahisa UenoRyoji SuzukiKoichi Shiono
    • Kazuya YonemotoTakahisa UenoRyoji SuzukiKoichi Shiono
    • H01L2700
    • H04N5/378H04N5/3745
    • A bias voltage must be reduced to about a half of the power source voltage in order to reserve sufficient output voltage range of a current/voltage converting circuit but, as a result, about a half voltage of the power source voltage is applied to the amplification transistor of pixel and thereby amplification factor of the pixel is lowered and linearity is deteriorated. Therefore, each potential of the signal lines is lowered and a larger voltage is applied to the amplification transistor of pixel by providing a current Miller circuit between the horizontal signal line and current/voltage converting circuit and by controlling independently each potential of the vertical signal line and horizontal signal line and the input voltage of the current/voltage converting circuit in the CMOS type image sensing device of the current output system in which the pixel signal is output to the vertical signal line as the signal current from each pixel.
    • 偏置电压必须减小到电源电压的大约一半,以便保留电流/电压转换电路的足够的输出电压范围,结果是将大约一半的电源电压施加到放大 像素的晶体管,因此像素的放大系数降低,线性劣化。 因此,通过在水平信号线和电流/电压转换电路之间提供电流密勒电路,并且独立地控制垂直信号线的每个电位,信号线的每个电位降低,并且将更大的电压施加到像素的放大晶体管 和水平信号线以及当前输出系统的CMOS型图像感测装置中的电流/电压转换电路的输入电压,其中像素信号被输出到垂直信号线作为来自每个像素的信号电流。
    • 60. 发明授权
    • Driving method for solid-state imaging device provided with blooming
prevention structure
    • 具有防霜结构的固态成像装置的驱动方法
    • US6002123A
    • 1999-12-14
    • US033605
    • 1998-03-03
    • Ryoji Suzuki
    • Ryoji Suzuki
    • H04N5/335H04N5/341H04N5/353H04N5/355H04N5/359H04N5/369H04N5/372H04N5/3745H01L27/00
    • H04N5/3745H04N5/35527H04N5/353H04N5/3592
    • The invention provides a driving method suitable for a solid-state imaging device provided with a blooming prevention structure by which the dynamic range of the solid-state imaging device can be varied suitably. Each pixel section of a solid-state imaging device includes a reset gate for controlling a resetting operation for discharging accumulated charge from a charge accumulation portion of the pixel section. By performing reset gate voltage driving so that the voltage to be applied to the reset gate may vary midway in a charge accumulation period of the pixel section, the overflow level can be raised midway in the charge accumulation period of the pixel section to expand the dynamic range. Or, the voltage to be applied to a transfer gate for controlling a transferring operation of forwarding accumulated charge from a charge accumulation portion into a floating diffusion portion or the voltage to be applied to a bias gate for controlling the potential of a floating gate is varied.
    • 本发明提供一种适用于固态成像装置的驱动方法,该固态成像装置具有能够适当变化固态成像装置的动态范围的防霜结构。 固态成像装置的每个像素部分包括用于控制用于从像素部分的电荷累积部分排出累积电荷的复位操作的复位门。 通过执行复位栅极电压驱动,使得施加到复位栅极的电压可能在像素部分的电荷累积期间的中途变化,则可以在像素部分的电荷累积期间的中途增加溢出电平以使动态 范围。 或者,施加到用于控制从电荷累积部分转移到浮动扩散部分的累积电荷的转移操作的转移栅极的电压或用于控制浮置栅极的电位的施加到偏置栅极的电压是变化的 。