公开(公告)号：US20060262205A1

公开(公告)日：2006-11-23

申请号：US11403026

申请日：2006-04-12

Applicant: Su-Hun Lim

Inventor： Su-Hun Lim

IPC: H04N5/217

CPC classification number: H04N5/3745 ,  H04N5/3456 ,  H04N5/3458 ,  H04N5/3575

Abstract: A column analog-to-digital conversion apparatus includes a first correlated double sampling (CDS) and comparison unit of a CDS and comparison circuit for generating a first comparison result signal in response to a first pixel output signal and a ramp signal, a second CDS and comparison unit of the CDS and comparison circuit for generating a second comparison result signal in response to the first pixel output signal and the ramp signal in a sub-sampling mode, and a data buffer for determining a code value of a most significant bit (MSB) based on the second comparison result signal, determining code values of remaining lower bits based on a counting value outputted from a counter, and generating a digital code including the MSB and the remaining lower bits.

Abstract translation: 列模数转换装置包括CDS和比较电路的第一相关双采样（CDS）和比较单元，用于响应于第一像素输出信号和斜坡信号产生第一比较结果信号，第二CDS 以及CDS和比较电路的比较单元，用于响应于副采样模式中的第一像素输出信号和斜坡信号产生第二比较结果信号;以及数据缓冲器，用于确定最高有效位的代码值（ MSB），基于从计数器输出的计数值来确定剩余较低位的代码值，以及生成包括MSB和其余较低位的数字代码。

公开(公告)号：US20050168601A1

公开(公告)日：2005-08-04

申请号：US11046946

申请日：2005-01-31

Applicant: Su-Hun Lim

Inventor： Su-Hun Lim

IPC: H01L27/146 ,  H01L27/148 ,  H03F3/00 ,  H04N3/14 ,  H04N5/335 ,  H04N5/357 ,  H04N5/363 ,  H04N5/374 ,  H04N5/378 ,  H04N5/217

CPC classification number: H04N5/3575 ,  H03F3/005 ,  H04N5/37455

Abstract: A correlated double sampling (CDS) amplifier for an image sensing device includes a plurality of capacitors and a switching network coupled to the plurality of capacitors and to a pixel of the image sensing device. The switching network is configured to couple the capacitors in parallel as an initial CDS difference voltage is generated, and then is configured to couple the capacitors in series for generating a final CDS difference voltage that is a multiple of the initial CDS difference voltage.

Abstract translation: 用于图像感测装置的相关双采样（CDS）放大器包括耦合到多个电容器和图像感测装置的像素的多个电容器和开关网络。 开关网络被配置为当产生初始CDS差异电压时并联耦合电容器，然后被配置为串联耦合电容器，以产生作为初始CDS差值电压倍数的最终CDS差值电压。

公开(公告)号：US07978237B2

公开(公告)日：2011-07-12

申请号：US12073625

申请日：2008-03-07

Applicant: Myoung-Su Lee ,  Su-Hun Lim ,  Jin-Kyeong Heo ,  Tae-Chan Kim ,  Seog-Heon Ham ,  Yong-In Han

Inventor： Myoung-Su Lee ,  Su-Hun Lim ,  Jin-Kyeong Heo ,  Tae-Chan Kim ,  Seog-Heon Ham ,  Yong-In Han

IPC: H04N5/217

CPC classification number: H04N5/378 ,  H04N5/3658 ,  H04N5/374

Abstract: An apparatus for canceling a fixed pattern noise in a CMOS image sensor includes a storage device, a fixed pattern noise operation circuit, and a fixed pattern noise canceling circuit. The storage device stores first reference fixed pattern noises operated in a vertical blank section of an (n−1)th frame. The fixed pattern noise operation circuit calculates second reference fixed pattern noises based on the first reference fixed pattern noises stored in the storage device and blank fixed pattern noises output in a vertical blank section of an n-th frame and outputs the second reference fixed pattern noises to the storage device to update the first reference fixed pattern noises to the second reference fixed pattern noises. The fixed pattern noise canceling circuit cancels active fixed pattern noises in combination signals based on the combination signals output in an active section of an (n+1)th frame and including the active fixed pattern noises and pixel signals and the second reference fixed pattern noises output from the storage device.

Abstract translation: 一种用于消除CMOS图像传感器中的固定图案噪声的装置，包括存储装置，固定图案噪声运算电路和固定图案噪声消除电路。 存储装置存储在第（n-1）帧的垂直空白部分中操作的第一参考固定模式噪声。 固定模式噪声运算电路基于存储在存储装置中的第一参考固定模式噪声和在第n帧的垂直空白部分中输出的空白固定模式噪声来计算第二参考固定模式噪声，并输出第二参考固定模式噪声 到存储装置，以将第一参考固定模式噪声更新为第二参考固定模式噪声。 固定图案噪声消除电路基于在第（n + 1）帧的有效部分中输出的组合信号消除组合信号中的有源固定模式噪声，并且包括有源固定模式噪声和像素信号以及第二参考固定模式噪声 从存储设备输出。

公开(公告)号：US20050174454A1

公开(公告)日：2005-08-11

申请号：US11035007

申请日：2005-01-12

Applicant: Jung-Chak Ahn ,  Su-Hun Lim

Inventor： Jung-Chak Ahn ,  Su-Hun Lim

IPC: H04N5/335 ,  H04N5/374 ,  H04N5/376 ,  H04N9/07 ,  H04N101/00

CPC classification number: H04N5/374 ,  H04N5/347

Abstract: An image-sensing device includes a driver and an array of pixels. The driver controls the array of pixels to output a combined image signal that is a combination of at least two image signals for at least two aligned pixels in at least two rows, for reducing vertical resolution in the sub-sampling mode. In addition, a mixing circuit further averages the resulting combined signals for M consecutive odd or even columns for reducing horizontal resolution in the sub-sampling mode.

Abstract translation: 图像感测装置包括驱动器和像素阵列。 驱动器控制像素阵列以输出组合图像信号，该组合图像信号是用于至少两行中的至少两个对准像素的至少两个图像信号的组合，用于减小子采样模式中的垂直分辨率。 此外，混合电路进一步平均用于M个连续奇数或偶数列的所得到的组合信号，以减小子采样模式中的水平分辨率。

公开(公告)号：US20090046177A1

公开(公告)日：2009-02-19

申请号：US12073625

申请日：2008-03-07

Applicant: Myoung-Su Lee ,  Su-Hun Lim ,  Jin-Kyeong Heo ,  Tae-Chan Kim ,  Seog-Heon Ham ,  Yong-In Han

Inventor： Myoung-Su Lee ,  Su-Hun Lim ,  Jin-Kyeong Heo ,  Tae-Chan Kim ,  Seog-Heon Ham ,  Yong-In Han

IPC: H04N5/217 ,  H04N5/335

CPC classification number: H04N5/378 ,  H04N5/3658 ,  H04N5/374

Abstract: An apparatus for canceling a fixed pattern noise in a CMOS image sensor includes a storage device, a fixed pattern noise operation circuit, and a fixed pattern noise canceling circuit. The storage device stores first reference fixed pattern noises operated in a vertical blank section of an (n−1)th frame. The fixed pattern noise operation circuit calculates second reference fixed pattern noises based on the first reference fixed pattern noises stored in the storage device and blank fixed pattern noises output in a vertical blank section of an n-th frame and outputs the second reference fixed pattern noises to the storage device to update the first reference fixed pattern noises to the second reference fixed pattern noises. The fixed pattern noise canceling circuit cancels active fixed pattern noises in combination signals based on the combination signals output in an active section of an (n+1)th frame and including the active fixed pattern noises and pixel signals and the second reference fixed pattern noises output from the storage device.

Abstract translation: 一种用于消除CMOS图像传感器中的固定图案噪声的装置，包括存储装置，固定图案噪声运算电路和固定图案噪声消除电路。 存储装置存储在第（n-1）帧的垂直空白部分中操作的第一参考固定模式噪声。 固定模式噪声运算电路基于存储在存储装置中的第一参考固定模式噪声和在第n帧的垂直空白部分中输出的空白固定模式噪声来计算第二参考固定模式噪声，并输出第二参考固定模式噪声 到存储装置，以将第一参考固定模式噪声更新为第二参考固定模式噪声。 固定图案噪声消除电路基于在第（n + 1）帧的有效部分中输出的组合信号消除组合信号中的有源固定模式噪声，并且包括有源固定模式噪声和像素信号以及第二参考固定模式噪声 从存储设备输出。

公开(公告)号：US07492401B2

公开(公告)日：2009-02-17

申请号：US11046946

申请日：2005-01-31

Applicant: Su-Hun Lim

Inventor： Su-Hun Lim

IPC: H04N5/217 ,  H04N3/14 ,  H04N5/335

CPC classification number: H04N5/3575 ,  H03F3/005 ,  H04N5/37455

Abstract: A correlated double sampling (CDS) amplifier for an image sensing device includes a plurality of capacitors and a switching network coupled to the plurality of capacitors and to a pixel of the image sensing device. The switching network is configured to couple the capacitors in parallel as an initial CDS difference voltage is generated, and then is configured to couple the capacitors in series for generating a final CDS difference voltage that is a multiple of the initial CDS difference voltage.

Abstract translation: 用于图像感测装置的相关双采样（CDS）放大器包括耦合到多个电容器和图像感测装置的像素的多个电容器和开关网络。 开关网络被配置为当产生初始CDS差异电压时并联耦合电容器，然后被配置为串联耦合电容器，以产生作为初始CDS差值电压倍数的最终CDS差值电压。

公开(公告)号：US20080224191A1

公开(公告)日：2008-09-18

申请号：US12074573

申请日：2008-03-05

Applicant: Jung-Chak Ahn ,  Yi-Tae Kim ,  Kyung-Ho Lee ,  Hyuck-In Kwon ,  Ju-Hyun Ko ,  Tetsuo Asaba ,  Jong-Jin Lee ,  Su-Hun Lim ,  Jung-Yeon Kim ,  Se-Young Kim ,  Sung-In Hwang

Inventor： Jung-Chak Ahn ,  Yi-Tae Kim ,  Kyung-Ho Lee ,  Hyuck-In Kwon ,  Ju-Hyun Ko ,  Tetsuo Asaba ,  Jong-Jin Lee ,  Su-Hun Lim ,  Jung-Yeon Kim ,  Se-Young Kim ,  Sung-In Hwang

IPC: H01L31/101

CPC classification number: H01L29/0847 ,  H01L27/14609 ,  H01L29/1083 ,  H01L29/78

Abstract: An image pickup device includes an active pixel sensor (APS), a row driver, and a leakage current breaker. The active pixel sensor includes an array of a plurality of pixels. The row driver selects at least one pixel to be activated to output signals. The leakage current breaker decreases the leakage current through the unselected pixels by applying a leakage current breaker voltage at the bit lines of the APS array.

Abstract translation: 图像拾取装置包括有源像素传感器（APS），行驱动器和泄漏电流断路器。 有源像素传感器包括多个像素的阵列。 行驱动器选择要激活的至少一个像素来输出信号。 泄漏电流断路器通过在APS阵列的位线处施加泄漏电流断路器电压来减小通过未选择的像素的泄漏电流。

公开(公告)号：US07646410B2

公开(公告)日：2010-01-12

申请号：US11370634

申请日：2006-03-08

Applicant: Su-Hun Lim

Inventor： Su-Hun Lim

IPC: H04N5/217 ,  H04N3/14

CPC classification number: H04N5/363 ,  H04N5/3575 ,  H04N5/378 ,  H04N9/045

Abstract: Provided are a solid state image sensing device and method for sub-sampling using inter-column analog domain signal summation, where, in the solid state image sensing device, a CDS unit receives reset signals from neighboring columns of the same color in an APS array, receives video signals from pixels generating the reset signals, and generates modulation signals respectively corresponding to the differences between the reset signals and the video signals, the modulation signals are activated according to activation of the previous modulation signals, and a digital signal output circuit generates a corresponding digital signal based on the final modulation signal corresponding to the sum of inter-column analog video signals among the modulation signals.

Abstract translation: 提供了一种使用列间模拟域信号求和的子采样的固态图像感测装置和方法，其中在固态图像感测装置中，CDS单元从APS阵列中的相同颜色的相邻列接收复位信号 从产生复位信号的像素接收视频信号，并产生分别对应于复位信号与视频信号之差的调制信号，调制信号根据先前调制信号的激活而被激活，数字信号输出电路产生 基于对应于调制信号之间的列间模拟视频信号之和的最终调制信号的对应的数字信号。

公开(公告)号：US07521659B2

公开(公告)日：2009-04-21

申请号：US11825198

申请日：2007-07-05

Applicant: Tetsuo Asaba ,  Su-Hun Lim

Inventor： Tetsuo Asaba ,  Su-Hun Lim

IPC: H01L27/00

CPC classification number: H04N9/045 ,  H04N5/343 ,  H04N5/3458 ,  H04N5/37455 ,  H04N5/37457

Abstract: A solid-state image-sensing device includes a pixel array and an averaging unit. The pixel array includes a matrix of pixels and includes a respective output line for each of a plurality of pixel groupings such as for each column of pixels. The averaging unit receives respective signals from first and second output lines of the pixel array to generate a pulse width signal that indicates an average of such respective signals. A respective signal of the first output line is generated from combining photocurrents from a first set of at least two pixels sensing a same first color in the pixel array.

Abstract translation: 固态图像感测装置包括像素阵列和平均单元。 像素阵列包括像素矩阵，并且包括用于多个像素分组中的每一个的相应输出线，例如针对每列像素。 平均单元从像素阵列的第一和第二输出线接收相应的信号，以产生指示这些各个信号的平均值的脉冲宽度信号。 通过组合来自感测像素阵列中的相同第一颜色的至少两个像素的第一组的光电流来生成第一输出行的相应信号。

公开(公告)号：US07218260B2

公开(公告)日：2007-05-15

申请号：US11328591

申请日：2006-01-10

Applicant: Su-Hun Lim

Inventor： Su-Hun Lim

IPC: H03M1/00

CPC classification number: H04N5/335 ,  H04N5/243 ,  H04N5/3598 ,  H04N5/378

Abstract: A column analog-to-digital (ADC) circuit for preventing a sun black effect in a CMOS image sensor (CIS) is provided. The ADC circuit includes: a comparator having a signal voltage input port and a reference voltage input port, comparing a reset voltage output from one of a plurality of CIS pixels with a reference voltage in a reset sampling period, and outputting an overflow sensing signal when the reset voltage is lower than the reference voltage; and a digital converter converting the output of the comparator into digital data, wherein the digital converter comprises a first latch storing the overflow sensing signal and outputting a flag signal indicating an overflow in response to the overflow sensing signal in a signal sampling period, when the overflow sensing signal is output from the comparator in a first portion of the reset sampling period.

Abstract translation: 提供了一种用于防止CMOS图像传感器（CIS）中的日光黑影响的列模数（ADC）电路。 该ADC电路包括：具有信号电压输入端口和参考电压输入端口的比较器，将来自多个CIS像素中的一个输出的复位电压与复位采样周期中的参考电压进行比较，并且当输出溢出检测信号时， 复位电压低于参考电压; 以及将所述比较器的输出转换为数字数据的数字转换器，其中所述数字转换器包括存储所述溢出检测信号的第一锁存器，并且在所述信号采样周期中响应于所述溢出检测信号输出指示溢出的标志信号， 溢出检测信号在复位采样周期的第一部分从比较器输出。