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公开(公告)号:US20050253947A1
公开(公告)日:2005-11-17
申请号:US11114386
申请日:2005-04-25
申请人: Nam-Ryeol Kim , Song-Yi Kim , Chang-Min Bae , Hack-Soo Oh
发明人: Nam-Ryeol Kim , Song-Yi Kim , Chang-Min Bae , Hack-Soo Oh
IPC分类号: H01L27/146 , H01L27/14 , H04N5/335 , H04N5/361 , H04N5/374 , H04N5/378 , H04N9/04 , H04N9/07 , H04N5/217
CPC分类号: H04N5/3742 , H04N5/361 , H04N5/3728 , H04N9/045
摘要: A CMOS image sensor includes: a plurality of CDS/PGAs (correlating double sampling/programmable gain amplifiers) for processing output signals of pixels corresponding to same colors on different paths; and an offset difference removing part for removing offset difference that occurs when the same color signals are processed on the different paths, wherein the offset difference removing part includes: a dummy pixel array where light is shielded; a unit for reading signals of the dummy pixel array through the CDS/PGAs and storing average offset values for each path; and a signal synthesizing unit for synthesizing the average offset values and signals of an effective pixel array, which are read through the respective CDS/PGAs, and outputting signals of which offset difference is removed.
摘要翻译: CMOS图像传感器包括:用于处理对应于不同路径上的相同颜色的像素的输出信号的多个CDS / PGA(相关双采样/可编程增益放大器) 以及偏移差去除部,用于去除在不同路径上处理相同的颜色信号时发生的偏移差,其中所述偏移差除去部包括:屏蔽光的虚拟像素阵列; 用于通过CDS / PGA读取虚拟像素阵列的信号并存储每个路径的平均偏移值的单元; 以及信号合成单元,用于合成通过各个CDS / PGA读取的有效像素阵列的平均偏移值和信号,并输出消除了偏移差的信号。
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公开(公告)号:US20120013774A1
公开(公告)日:2012-01-19
申请号:US13242615
申请日:2011-09-23
申请人: Nam-Ryeol Kim , Song-YI Kim , Chang-Min Bae , Hack-Soo Oh
发明人: Nam-Ryeol Kim , Song-YI Kim , Chang-Min Bae , Hack-Soo Oh
CPC分类号: H04N5/3742 , H04N5/361 , H04N5/3728 , H04N9/045
摘要: A CMOS image sensor includes: a plurality of CDS/PGAs (correlating double sampling/programmable gain amplifiers) for processing output signals of pixels corresponding to same colors on different paths; and an offset difference removing part for removing offset difference that occurs when the same color signals are processed on the different paths, wherein the offset difference removing part includes: a dummy pixel array where light is shielded; a unit for reading signals of the dummy pixel array through the CDS/PGAs and storing average offset values for each path; and a signal synthesizing unit for synthesizing the average offset values and signals of an effective pixel array, which are read through the respective CDS/PGAs, and outputting signals of which offset difference is removed.
摘要翻译: CMOS图像传感器包括:用于处理对应于不同路径上的相同颜色的像素的输出信号的多个CDS / PGA(相关双采样/可编程增益放大器) 以及偏移差去除部,用于去除在不同路径上处理相同的颜色信号时发生的偏移差,其中所述偏移差除去部包括:屏蔽光的虚拟像素阵列; 用于通过CDS / PGA读取虚拟像素阵列的信号并存储每个路径的平均偏移值的单元; 以及信号合成单元,用于合成通过各个CDS / PGA读取的有效像素阵列的平均偏移值和信号,并输出消除了偏移差的信号。
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公开(公告)号:US08045029B2
公开(公告)日:2011-10-25
申请号:US11114386
申请日:2005-04-25
申请人: Nam-Ryeol Kim , Song-Yi Kim , Chang-Min Bae , Hack-Soo Oh
发明人: Nam-Ryeol Kim , Song-Yi Kim , Chang-Min Bae , Hack-Soo Oh
CPC分类号: H04N5/3742 , H04N5/361 , H04N5/3728 , H04N9/045
摘要: A CMOS image sensor includes: a plurality of CDS/PGAs (correlating double sampling/programmable gain amplifiers) for processing output signals of pixels corresponding to same colors on different paths; and an offset difference removing part for removing offset difference that occurs when the same color signals are processed on the different paths, wherein the offset difference removing part includes: a dummy pixel array where light is shielded; a unit for reading signals of the dummy pixel array through the CDS/PGAs and storing average offset values for each path; and a signal synthesizing unit for synthesizing the average offset values and signals of an effective pixel array, which are read through the respective CDS/PGAs, and outputting signals of which offset difference is removed.
摘要翻译: CMOS图像传感器包括:用于处理对应于不同路径上的相同颜色的像素的输出信号的多个CDS / PGA(相关双采样/可编程增益放大器) 以及偏移差去除部,用于去除在不同路径上处理相同的颜色信号时发生的偏移差,其中所述偏移差除去部包括:屏蔽光的虚拟像素阵列; 用于通过CDS / PGA读取虚拟像素阵列的信号并存储每个路径的平均偏移值的单元; 以及信号合成单元,用于合成通过各个CDS / PGA读取的有效像素阵列的平均偏移值和信号,并输出消除了偏移差的信号。
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4.
公开(公告)号:US20050237406A1
公开(公告)日:2005-10-27
申请号:US11096926
申请日:2005-03-30
申请人: Song-Yi Kim , Chang-Min Bae , Nam-Ryeol Kim , Hack-Soo Oh
发明人: Song-Yi Kim , Chang-Min Bae , Nam-Ryeol Kim , Hack-Soo Oh
IPC分类号: H01L27/146 , H04N5/335 , H04N5/357 , H04N5/363 , H04N5/374 , H04N5/378 , H04N9/04 , H04N9/07 , H04N5/217
CPC分类号: H04N9/045 , H04N2209/045
摘要: A CMOS image sensor is provided. In the CMOS image sensor, a pixel array has a plurality of first color pixels, a plurality of second color pixels and a plurality of third color pixels, which are arranged in matrix form. A CDS (correlated double sampling) part has CDS circuits to receive output signals of the pixels, one CDS circuit per column being provided. A plurality of analog data buses receive divided output signal of the CDS circuits. An ASP (analog signal processor) is connected to the plurality of analog data buses.
摘要翻译: 提供CMOS图像传感器。 在CMOS图像传感器中,像素阵列具有以矩阵形式布置的多个第一彩色像素,多个第二彩色像素和多个第三彩色像素。 CDS(相关双采样)部分具有CDS电路以接收像素的输出信号,每列提供一个CDS电路。 多个模拟数据总线接收CDS电路的分频输出信号。 ASP(模拟信号处理器)连接到多个模拟数据总线。
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公开(公告)号:US08482647B2
公开(公告)日:2013-07-09
申请号:US13242615
申请日:2011-09-23
申请人: Nam-Ryeol Kim , Song-Yl Kim , Chang-Min Bae , Hack-Soo Oh
发明人: Nam-Ryeol Kim , Song-Yl Kim , Chang-Min Bae , Hack-Soo Oh
CPC分类号: H04N5/3742 , H04N5/361 , H04N5/3728 , H04N9/045
摘要: A CMOS image sensor includes: a plurality of CDS/PGAs (correlating double sampling/programmable gain amplifiers) for processing output signals of pixels corresponding to same colors on different paths; and an offset difference removing part for removing offset difference that occurs when the same color signals are processed on the different paths, wherein the offset difference removing part includes: a dummy pixel array where light is shielded; a unit for reading signals of the dummy pixel array through the CDS/PGAs and storing average offset values for each path; and a signal synthesizing unit for synthesizing the average offset values and signals of an effective pixel array, which are read through the respective CDS/PGAs, and outputting signals of which offset difference is removed.
摘要翻译: CMOS图像传感器包括:用于处理对应于不同路径上的相同颜色的像素的输出信号的多个CDS / PGA(相关双采样/可编程增益放大器) 以及偏移差去除部,用于去除在不同路径上处理相同的颜色信号时发生的偏移差,其中所述偏移差除去部包括:屏蔽光的虚拟像素阵列; 用于通过CDS / PGA读取虚拟像素阵列的信号并存储每个路径的平均偏移值的单元; 以及信号合成单元,用于合成通过各个CDS / PGA读取的有效像素阵列的平均偏移值和信号,并输出消除了偏移差的信号。
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公开(公告)号:US20060061675A1
公开(公告)日:2006-03-23
申请号:US11222133
申请日:2005-09-07
申请人: Nam-Ryeol Kim
发明人: Nam-Ryeol Kim
IPC分类号: H04N5/335
CPC分类号: H04N5/363 , H04N5/3575 , H04N5/378
摘要: A read-out circuit of an image sensor is provided. The read-out circuit includes: a CDS block, including: a plurality of reset capacitors storing inputted reset values of pixels; a plurality of signal capacitors storing inputted signal values of the pixels; a plurality of reset driving devices outputting the reset values stored into the reset capacitors; a plurality of signal driving devices outputting the signal values stored into the signal capacitors; and a plurality of capacitor equalization devices equalizing electric potential levels of the reset capacitors and the signal capacitors; a reset line transferring reset value output signals of the CDS block; a signal line transferring signal value output signals of the CDS block; a differential amplification unit amplifying a difference between the individual reset value output signal and the individual signal value output signal; and a line equalization device equalizing electric potential levels of the reset line and signal line.
摘要翻译: 提供图像传感器的读出电路。 读出电路包括:CDS块,包括:存储输入的像素复位值的多个复位电容器; 多个信号电容器,其存储像素的输入信号值; 多个复位驱动装置,输出存储在复位电容器中的复位值; 多个信号驱动装置,输出存储在信号电容器中的信号值; 以及均衡所述复位电容器和所述信号电容器的电位电平的多个电容器均衡装置; 复位线,其传送CDS块的复位值输出信号; 信号线传送CDS块的信号值输出信号; 差分放大单元,放大各个复位值输出信号和各个信号值输出信号之间的差; 以及对复位线和信号线的电位电平进行均衡的线路均衡装置。
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公开(公告)号:US07956908B2
公开(公告)日:2011-06-07
申请号:US11222133
申请日:2005-09-07
申请人: Nam-Ryeol Kim
发明人: Nam-Ryeol Kim
CPC分类号: H04N5/363 , H04N5/3575 , H04N5/378
摘要: A read-out circuit of an image sensor is provided. The read-out circuit includes: a CDS block, including: a plurality of reset capacitors storing inputted reset values of pixels; a plurality of signal capacitors storing inputted signal values of the pixels; a plurality of reset driving devices outputting the reset values stored into the reset capacitors; a plurality of signal driving devices outputting the signal values stored into the signal capacitors; and a plurality of capacitor equalization devices equalizing electric potential levels of the reset capacitors and the signal capacitors; a reset line transferring reset value output signals of the CDS block; a signal line transferring signal value output signals of the CDS block; a differential amplification unit amplifying a difference between the individual reset value output signal and the individual signal value output signal; and a line equalization device equalizing electric potential levels of the reset line and signal line.
摘要翻译: 提供图像传感器的读出电路。 读出电路包括:CDS块,包括:存储输入的像素复位值的多个复位电容器; 多个信号电容器,其存储像素的输入信号值; 多个复位驱动装置,输出存储在复位电容器中的复位值; 多个信号驱动装置,输出存储在信号电容器中的信号值; 以及均衡所述复位电容器和所述信号电容器的电位电平的多个电容器均衡装置; 复位线,其传送CDS块的复位值输出信号; 信号线传送CDS块的信号值输出信号; 差分放大单元,放大各个复位值输出信号和各个信号值输出信号之间的差; 以及对复位线和信号线的电位电平进行均衡的线路均衡装置。
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公开(公告)号:US20090251583A1
公开(公告)日:2009-10-08
申请号:US12422960
申请日:2009-04-13
申请人: Young-Jin Kim , Nam-Ryeol Kim
发明人: Young-Jin Kim , Nam-Ryeol Kim
CPC分类号: H04N5/3591 , H04N5/365
摘要: Disclosed herein is an image sensor for removing a horizontal noise. The image sensor includes a pixel array including a plurality of unit pixels located at every row or column; an analog bus located at every row or column, for transferring output signals of the pixel array; and a readout circuit for reading the output signals of the pixel array loaded on the analog bus, wherein the readout circuit includes: a plurality of first transistors having a drain connected to the column analog bus and a source connected to a supply voltage; and a second transistor having a drain connected to a gate of the second transistor and gates of the first transistors, and a source connected to the supply voltage, wherein, a size of the second transistor is larger than a size of the first transistor.
摘要翻译: 这里公开了一种用于去除水平噪声的图像传感器。 图像传感器包括:像素阵列,其包括位于每行或列的多个单位像素; 位于每行或列的模拟总线,用于传送像素阵列的输出信号; 以及读出电路,用于读取装载在模拟总线上的像素阵列的输出信号,其中读出电路包括:多个第一晶体管,其漏极连接到列模拟总线,源极连接到电源电压; 以及第二晶体管,其漏极连接到第二晶体管的栅极和第一晶体管的栅极,以及连接到电源电压的源极,其中第二晶体管的尺寸大于第一晶体管的尺寸。
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公开(公告)号:US07518647B2
公开(公告)日:2009-04-14
申请号:US11260900
申请日:2005-10-28
申请人: Young-Jin Kim , Nam-Ryeol Kim
发明人: Young-Jin Kim , Nam-Ryeol Kim
CPC分类号: H04N5/3591 , H04N5/365
摘要: Disclosed herein is an image sensor for removing a horizontal noise. The image sensor includes a pixel array including a plurality of unit pixels located at every row or column; an analog bus located at every row or column, for transferring output signals of the pixel array; and a readout circuit for reading the output signals of the pixel array loaded on the analog bus, wherein the readout circuit includes: a plurality of first transistors having a drain connected to the column analog bus and a source connected to a supply voltage; and a second transistor having a drain connected to a gate of the second transistor and gates of the first transistors, and a source connected to the supply voltage, wherein, a size of the second transistor is larger than a size of the first transistor.
摘要翻译: 这里公开了一种用于去除水平噪声的图像传感器。 图像传感器包括:像素阵列,其包括位于每行或列的多个单位像素; 位于每行或列的模拟总线,用于传送像素阵列的输出信号; 以及读出电路,用于读取装载在模拟总线上的像素阵列的输出信号,其中读出电路包括:多个第一晶体管,其漏极连接到列模拟总线,源极连接到电源电压; 以及第二晶体管,其漏极连接到第二晶体管的栅极和第一晶体管的栅极,以及连接到电源电压的源极,其中第二晶体管的尺寸大于第一晶体管的尺寸。
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公开(公告)号:US20060109362A1
公开(公告)日:2006-05-25
申请号:US11260900
申请日:2005-10-28
申请人: Young-Jin Kim , Nam-Ryeol Kim
发明人: Young-Jin Kim , Nam-Ryeol Kim
CPC分类号: H04N5/3591 , H04N5/365
摘要: Disclosed herein is an image sensor for removing a horizontal noise. The image sensor includes a pixel array including a plurality of unit pixels located at every row or column; an analog bus located at every row or column, for transferring output signals of the pixel array; and a readout circuit for reading the output signals of the pixel array loaded on the analog bus, wherein the readout circuit includes: a plurality of first transistors having a drain connected to the column analog bus and a source connected to a supply voltage; and a second transistor having a drain connected to a gate of the second transistor and gates of the first transistors, and a source connected to the supply voltage, wherein, a size of the second transistor is larger than a size of the first transistor.
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