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公开(公告)号：US08773544B2
公开(公告)日：2014-07-08
申请号：US13311669
申请日：2011-12-06
申请人： Kyoung-Min Koh , Seog-Heon Ham , Yong Lim
发明人： Kyoung-Min Koh , Seog-Heon Ham , Yong Lim
CPC分类号： H04N5/772 , H04N5/23245 , H04N5/347 , H04N5/378
摘要： An image sensor includes a reference voltage generation unit that generates a reference voltage that alternately decreases and increases at a constant rate in an operation mode of the image sensor to convert analog signals of detected incident light to a digital value using the reference voltage to determine an intensity of the incident light with high sensitivity and high signal-to-noise ratio.
摘要翻译： 图像传感器包括参考电压产生单元，其在图像传感器的操作模式中产生交替地以恒定速率递减的参考电压，以使用参考电压将检测到的入射光的模拟信号转换为数字值，以确定 入射光强度高，灵敏度高，信噪比高。
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2.发明授权Correlated double sampling circuit, image sensor including the same, and image processing system including the image sensor 有权相关的双采样电路，包括图像传感器的图像传感器和图像处理系统公开(公告)号：US08514306B2
公开(公告)日：2013-08-20
申请号：US12801999
申请日：2010-07-07
申请人： Wun-Ki Jung , Seog Heon Ham , Dong Hun Lee , Kwi Sung Yoo , Min Ho Kwon
发明人： Wun-Ki Jung , Seog Heon Ham , Dong Hun Lee , Kwi Sung Yoo , Min Ho Kwon
IPC分类号： H04N5/20
CPC分类号： H04N5/3575 , H04N5/374 , H04N5/378
摘要： A correlated double sampling (CDS) circuit is provided. The CDS circuit is configured to perform a CDS on a reset signal and an image signal during a CDS phase respectively. The CDS circuit includes a sampling circuit configured to output a difference between a correlated double sampled reset signal and a correlated double sampled image signal, and a feedback unit configured to feedback the difference output from the sampling circuit during a PGA phase to an input of the sampling circuit.
摘要翻译： 提供了相关的双重采样（CDS）电路。 CDS电路被配置为在CDS阶段期间在复位信号和图像信号上执行CDS。 CDS电路包括：采样电路，被配置为输出相关的双采样复位信号和相关的双采样图像信号之间的差;以及反馈单元，被配置为将在PGA阶段期间从采样电路输出的差值反馈到 采样电路。
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公开(公告)号：US20120140089A1
公开(公告)日：2012-06-07
申请号：US13311669
申请日：2011-12-06
申请人： Kyoung-Min KOH , Seog-Heon Ham , Yong Lim
发明人： Kyoung-Min KOH , Seog-Heon Ham , Yong Lim
CPC分类号： H04N5/772 , H04N5/23245 , H04N5/347 , H04N5/378
摘要： An image sensor includes a reference voltage generation unit that generates a reference voltage that alternately decreases and increases at a constant rate in an operation mode of the image sensor to convert analog signals of detected incident light to a digital value using the reference voltage to determine an intensity of the incident light with high sensitivity and high signal-to-noise ratio.
摘要翻译： 图像传感器包括参考电压产生单元，其在图像传感器的操作模式中产生交替地以恒定速率递减的参考电压，以使用参考电压将检测到的入射光的模拟信号转换为数字值，以确定 入射光强度高，灵敏度高，信噪比高。
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公开(公告)号：US08159589B2
公开(公告)日：2012-04-17
申请号：US12427214
申请日：2009-04-21
申请人： Seung Hyun Lim , Gun Hee Han , Seog Heon Ham
发明人： Seung Hyun Lim , Gun Hee Han , Seog Heon Ham
IPC分类号： H04N5/335
CPC分类号： H04N5/37455 , G11C7/16
摘要： An image sensor for high-speed data readout is provided. The image sensor includes a line memory block temporarily storing a digital signal in unit of lines which is generated based on an analog signal output from a pixel array. The line memory block includes a plurality of line memories, a plurality of data line pairs respectively connecting the line memories to a sense amplifying unit, and a plurality of data line prechargers each including at least two precharge units separately connected with a corresponding one of the data line pairs to precharge the corresponding data line pair with a predetermined precharge voltage. Accordingly, the image sensor performs high-speed digital signal readout based on precharge operation of the data line prechargers.
摘要翻译： 提供了用于高速数据读出的图像传感器。 该图像传感器包括一个行存储块，其临时存储基于从像素阵列输出的模拟信号产生的行单位的数字信号。 行存储块包括多个行存储器，分别将行存储器连接到读出放大单元的多个数据线对，以及多个数据线预充电器，每个数据线预充电器包括分别与相应的一个 数据线对以预定的预充电电压对相应的数据线对进行预充电。 因此，图像传感器基于数据线预充电器的预充电操作来执行高速数字信号读出。
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公开(公告)号：US08094058B2
公开(公告)日：2012-01-10
申请号：US12654856
申请日：2010-01-06
申请人： Wun-Ki Jung , Seog Heon Ham , Dong Hun Lee , Kwi Sung Yoo , Min Ho Kwon
发明人： Wun-Ki Jung , Seog Heon Ham , Dong Hun Lee , Kwi Sung Yoo , Min Ho Kwon
IPC分类号： H03M1/50
摘要： The analog-digital converter (ADC) includes a modulator and a digital integrator. The modulator is configured to modulate an input signal and output a modulated signal. The digital integrator includes a plurality of accumulators serially connected to one another. The digital integrator is configured to integrate the modulated signal to output an integration result.
摘要翻译： 模拟数字转换器（ADC）包括调制器和数字积分器。 调制器被配置为调制输入信号并输出调制信号。 数字积分器包括彼此串联连接的多个累加器。 数字积分器被配置为集成调制信号以输出积分结果。
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6.发明申请DIGITAL DOUBLE SAMPLING METHOD, A RELATED CMOS IMAGE SENSOR, AND A DIGITAL CAMERA COMPRISING THE CMOS IMAGE SENSOR 审中-公开数字双重采样方法，相关CMOS图像传感器和包含CMOS图像传感器的数字摄像机公开(公告)号：US20110266417A1
公开(公告)日：2011-11-03
申请号：US13183533
申请日：2011-07-15
申请人： Dong-Myung LEE , Gun-Hee HAN , Seog-Heon HAM
发明人： Dong-Myung LEE , Gun-Hee HAN , Seog-Heon HAM
IPC分类号： H03K21/00 , H01L27/146
CPC分类号： H04N5/3575 , H04N3/155 , H04N5/3698 , H04N5/374 , H04N5/37455 , H04N5/378
摘要： A digital double sampling method, a related complementary metal oxide semiconductor (CMOS) image sensor, and a digital camera comprising the CMOS image sensor are disclosed. The method includes generating first digital data corresponding to an initial voltage level apparent in a pixel in response to a reset signal, inverting the first digital data, outputting a detection voltage corresponding to image data received from outside of the CMOS image sensor, and counting in synchronization with a clock signal, starting from an initial value equal to the inverted first digital data, and for an amount of time responsive to a voltage level of the detection voltage.
摘要翻译： 公开了一种数字双采样方法，相关的互补金属氧化物半导体（CMOS）图像传感器和包括CMOS图像传感器的数字照相机。 该方法包括响应于复位信号产生对应于像素中明显的初始电压电平的第一数字数据，反转第一数字数据，输出对应于从CMOS图像传感器外部接收的图像数据的检测电压，并计数 与等于反相的第一数字数据的初始值开始的时钟信号的同步，以及响应于检测电压的电压电平的时间量。
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7.发明申请公开(公告)号：US20100225794A1
公开(公告)日：2010-09-09
申请号：US12656964
申请日：2010-02-22
申请人： Kwi Sung Yoo , Seog Heon Ham , Dong Hun Lee , Min Ho Kwon , Wun-Ki Jung
发明人： Kwi Sung Yoo , Seog Heon Ham , Dong Hun Lee , Min Ho Kwon , Wun-Ki Jung
摘要： In one embodiment, the ADC includes a modulator configured to generate a symbol sequence, an operand generator configured to generate operands, and a selector configured to selectively output at least one of (1) a reference value and (2) at least one of the operands based on the symbol sequence. The ADC further includes an accumulator configured to accumulate output from the selector.
摘要翻译： 在一个实施例中，ADC包括被配置为生成符号序列的调制器，被配置为产生操作数的操作数发生器，以及被配置为选择性地输出（1）参考值和（2）至少一个 基于符号序列的操作数。 ADC还包括被配置为累积来自选择器的输出的累加器。
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8.发明申请DIGITAL DOUBLE SAMPLING METHOD, A RELATED CMOS IMAGE SENSOR, AND A DIGITAL CAMERA COMPRISING THE CMOS IMAGE SENSOR 有权数字双重采样方法，相关CMOS图像传感器和包含CMOS图像传感器的数字摄像机公开(公告)号：US20080111059A1
公开(公告)日：2008-05-15
申请号：US11877027
申请日：2007-10-23
申请人： Dong-Myung LEE , Gun-Hee HAN , Seog-Heon HAM
发明人： Dong-Myung LEE , Gun-Hee HAN , Seog-Heon HAM
IPC分类号： H04N5/00
CPC分类号： H04N5/3575 , H04N3/155 , H04N5/3698 , H04N5/374 , H04N5/37455 , H04N5/378
摘要： A digital double sampling method, a related complementary metal oxide semiconductor (CMOS) image sensor, and a digital camera comprising the CMOS image sensor are disclosed. The method includes generating first digital data corresponding to an initial voltage level apparent in a pixel in response to a reset signal, inverting the first digital data, outputting a detection voltage corresponding to image data received from outside of the CMOS image sensor, and counting in synchronization with a clock signal, starting from an initial value equal to the inverted first digital data, and for an amount of time responsive to a voltage level of the detection voltage.
摘要翻译： 公开了一种数字双采样方法，相关的互补金属氧化物半导体（CMOS）图像传感器和包括CMOS图像传感器的数字照相机。 该方法包括响应于复位信号产生对应于像素中明显的初始电压电平的第一数字数据，反转第一数字数据，输出对应于从CMOS图像传感器外部接收的图像数据的检测电压，并计数 与等于反相的第一数字数据的初始值开始的时钟信号的同步，以及响应于检测电压的电压电平的时间量。
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9.发明申请Ratio-independent switched capacitor amplifiers and methods of operating ratio-independent switched capacitor amplifiers 有权与比率无关的开关电容放大器和工作比率无关的开关电容放大器的方法公开(公告)号：US20080094140A1
公开(公告)日：2008-04-24
申请号：US11975018
申请日：2007-10-17
申请人： Seung-Hyun Lim , Jeong-Hwan Lee , Gun-Hee Han , Seog-Heon Ham
发明人： Seung-Hyun Lim , Jeong-Hwan Lee , Gun-Hee Han , Seog-Heon Ham
IPC分类号： H03F3/189
CPC分类号： H03F3/005 , H03F3/45475 , H03F2203/45514 , H03F2203/45551
摘要： A ratio-independent switched capacitor amplifier includes a first sampling circuit configured to sample a first input voltage as a first sampling voltage and to double a level of the first sampling voltage during an interval in which the first input voltage is cut off; a second sampling circuit configured to sample a second input voltage as a second sampling voltage and to double a level of the second sampling voltage during an interval in which the second input voltage is cut off; and a differential amplifier circuit configured to output a difference between the first sampling voltage and the second sampling voltage.
摘要翻译： 比率无关的开关电容放大器包括：第一采样电路，被配置为将第一输入电压作为第一采样电压进行采样，并在第一输入电压被切断的间隔期间使第一采样电压的电平加倍; 第二采样电路，被配置为将第二输入电压作为第二采样电压进行采样，并且在所述第二输入电压被切断的间隔期间将所述第二采样电压的电平加倍; 以及差分放大电路，被配置为输出第一采样电压和第二采样电压之间的差。
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10.发明授权Digital double sampling method, a related CMOS image sensor, and a digital camera comprising the CMOS image sensor 有权数字双采样方法，相关的CMOS图像传感器和包括CMOS图像传感器的数字照相机公开(公告)号：US09204071B2
公开(公告)日：2015-12-01
申请号：US13183533
申请日：2011-07-15
申请人： Dong-Myung Lee , Gun-Hee Han , Seog-Heon Ham
发明人： Dong-Myung Lee , Gun-Hee Han , Seog-Heon Ham
CPC分类号： H04N5/3575 , H04N3/155 , H04N5/3698 , H04N5/374 , H04N5/37455 , H04N5/378
摘要： A digital double sampling method, a related complementary metal oxide semiconductor (CMOS) image sensor, and a digital camera comprising the CMOS image sensor are disclosed. The method includes generating first digital data corresponding to an initial voltage level apparent in a pixel in response to a reset signal, inverting the first digital data, outputting a detection voltage corresponding to image data received from outside of the CMOS image sensor, and counting in synchronization with a clock signal, starting from an initial value equal to the inverted first digital data, and for an amount of time responsive to a voltage level of the detection voltage.
摘要翻译： 公开了一种数字双采样方法，相关的互补金属氧化物半导体（CMOS）图像传感器和包括CMOS图像传感器的数字照相机。 该方法包括响应于复位信号产生对应于像素中明显的初始电压电平的第一数字数据，反转第一数字数据，输出对应于从CMOS图像传感器外部接收的图像数据的检测电压，并计数 与等于反相的第一数字数据的初始值开始的时钟信号的同步，以及响应于检测电压的电压电平的时间量。
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