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    • 23. 发明申请
    • SOLID-STATE IMAGING DEVICE AND CAMERA SYSTEM
    • 固态成像装置和摄像机系统
    • US20100259662A1
    • 2010-10-14
    • US12731710
    • 2010-03-25
    • Yusuke OikeMasaki SakakibaraTadayuki Taura
    • Yusuke OikeMasaki SakakibaraTadayuki Taura
    • H04N5/335
    • H04N5/37455H04N5/335H04N5/3741H04N5/378
    • A solid-state imaging device includes a pixel array section including a plurality of pixels, a pixel drive line controlling driving the pixels in each row, a signal line reading an analog signal of the pixels in each column, a pixel drive unit driving the pixels to perform a readout through the pixel drive line, and a readout circuit capable of converting the analog signal into a digital signal. At least the number of pixel drive lines or the number of signal lines is more than one, and the pixels of each pixel group are connected to different lines of either the pixel drive lines or the signal lines. The pixel drive unit sequentially drives the pixels in the pixel group at shifted timings, and the readout circuit includes an analog-to-digital converter sequentially receiving analog signals from the pixel group and sequentially converting the analog signals into digital signals.
    • 固态成像装置包括:包括多个像素的像素阵列部,控制驱动各行像素的像素驱动线,读出各列像素的模拟信号的信号线;驱动像素的像素驱动部 通过像素驱动线执行读出,以及能够将模拟信号转换为数字信号的读出电路。 至少像素驱动线的数量或信号线的数量多于一个,并且每个像素组的像素连接到像素驱动线或信号线的不同线。 像素驱动单元以偏移的定时顺序地驱动像素组中的像素,并且读出电路包括顺序地从像素组接收模拟信号并将模拟信号顺序地转换成数字信号的模数转换器。
    • 27. 发明申请
    • SOLID STATE IMAGING DEVICE, DRIVING METHOD OF THE SOLID STATE IMAGING DEVICE, AND ELECTRONIC EQUIPMENT
    • 固态成像装置,固态成像装置的驱动方法和电子装置
    • US20120327278A1
    • 2012-12-27
    • US13603633
    • 2012-09-05
    • Yusuke Oike
    • Yusuke Oike
    • H04N5/335
    • H01L27/148H01L27/14609H01L27/14643H01L27/14654H04N3/155H04N3/1568H04N5/335H04N5/363H04N5/3651H04N5/37452
    • A solid state imaging device includes: multiple unit pixels including a photoelectric converter generating electrical charge in accordance with incident light quantity and accumulating the charge, a first transfer gate transferring the accumulated charge, a charge holding region holding the transferred charge, a second transfer gate transferring the held charge, and a floating diffusion region converting the transferred charge into voltage; an intermediate charge transfer unit transferring, to the charge holding region, a charge exceeding a predetermined charge amount as a first signal charge; and a pixel driving unit setting the first transfer gate to a non-conducting state, set the second transfer gate to a conducting state, transfer the first signal charge to the floating diffusion region, set the second transfer gate to a non-conducting state, set the first transfer gate to a conducting state, and transfer the accumulated charge to the charge holding region as a second signal charge.
    • 固态成像装置包括:多个单位像素,包括根据入射光量产生电荷并累积电荷的光电转换器,传送累积电荷的第一传输栅极,保持所转移电荷的电荷保持区域,第二传输栅极 转移所保持的电荷,以及将转移的电荷转换成电压的浮动扩散区; 中间电荷转移单元,向电荷保持区域传输超过预定电荷量的电荷作为第一信号电荷; 以及像素驱动单元,将所述第一传输栅极设置为非导通状态,将所述第二传输栅极设置为导通状态,将所述第一信号电荷转移到所述浮动扩散区域,将所述第二传输栅极设置为非导通状态, 将第一传输门设置为导通状态,并将累积电荷转移到电荷保持区域作为第二信号电荷。
    • 28. 发明申请
    • Solid-state imaging device and camera system
    • 固态成像装置和相机系统
    • US20120019697A1
    • 2012-01-26
    • US13067828
    • 2011-06-29
    • Fumitsugu SuzukiYusuke Oike
    • Fumitsugu SuzukiYusuke Oike
    • H04N5/335
    • H04N5/378H04N5/3575H04N5/374
    • A solid-state imaging device includes: a pixel section in which pixels performing photoelectric conversion are arranged in a matrix shape; and a pixel signal reading section that has an AD conversion section which reads pixel signals through pixel units from the pixel section and performs analog digital (AD) conversion. The pixel signal reading section includes comparators each of which compares a reference signal, which is a ramp wave, with read analog signal potentials of pixels in a corresponding column, counter latches each of which is disposed to correspond to each of the comparators, is able to count a comparison time of the corresponding comparator, stops the count when an output of the corresponding comparator is inverted, and retains a corresponding count value, and an adjustment section that performs offset adjustment on the reference signal for each row on which the AD conversion is performed.
    • 固态成像装置包括:像素部,其中进行光电转换的像素以矩阵形状排列; 以及像素信号读取部,其具有从像素部读取像素单位的像素信号并执行模拟数字(AD)转换的AD转换部。 像素信号读取部分包括比较器,每个比较器将作为斜坡波的参考信号与相应列中的像素的读取模拟信号电位进行比较,每个被配置为对应于每个比较器的计数器锁存器能够 计数相应比较器的比较时间,当对应的比较器的输出反相时停止计数,并保持相应的计数值;以及调节部,对于AD转换的每一行进行参考信号的偏移调整 被执行。
    • 29. 发明授权
    • Solid-state image-pickup device, method for driving solid-state image-pickup device, and image-pickup apparatus
    • 固态摄像装置,固态摄像装置的驱动方法以及摄像装置
    • US08089541B2
    • 2012-01-03
    • US12441056
    • 2007-09-18
    • Yusuke Oike
    • Yusuke Oike
    • H04N3/14
    • H03M1/1023H03M1/123H03M1/56H04N5/3575H04N5/3745H04N5/378
    • High-resolution AD conversion can be performed at a high speed in a CMOS image sensor in which column-parallel ADCs are mounted. In a CMOS image sensor 10 in which column-parallel ADCs are mounted, reference voltages Vref1 to Vref4 having slopes with different gradients and a reference voltage Vref5 are used. Additionally, a comparison circuit 32 that compares an output voltage Vx of a unit pixel 11 with any one of the reference voltages Vref1 to Vref4, and a comparison circuit 33 that compares the one of the reference voltages Vref1 to Vref4 with the reference voltage Vref5 are included in a column processing circuit 15. High-resolution AD conversion is performed at a high speed by respective operations of the comparison circuits 32 and 33 and an up/down counter 34.
    • 高分辨率AD转换可以在安装了列并行ADC的CMOS图像传感器中以高速执行。 在其中安装列并联ADC的CMOS图像传感器10中,使用具有不同梯度斜率的参考电压Vref1至Vref4和参考电压Vref5。 此外,将单位像素11的输出电压Vx与参考电压Vref1〜Vref4中的任一个进行比较的比较电路32和将参考电压Vref1〜Vref4中的一个与参考电压Vref5进行比较的比较电路33分别为 包括在列处理电路15中。通过比较电路32和33以及上/下计数器34的各自的操作,高速执行高分辨率AD转换。