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1. 发明授权

US09693001B2 Image sensor, operating method thereof, and system including same 有权
公开(公告)号：US09693001B2
公开(公告)日：2017-06-27
申请号：US15234334
申请日：2016-08-11
申请人： Samsung Electronics Co., Ltd.
发明人： Moo Young Kim , Tae Chan Kim , Jae Cheol Yun , Seog Heon Ham
IPC分类号： H04N5/369 , H04N5/232 , H04N5/374 , H04N5/3745 , H04N5/91 , H04N5/343
CPC分类号： H04N5/3698 , H04N5/23206 , H04N5/23245 , H04N5/23254 , H04N5/343 , H04N5/37455 , H04N5/91
摘要： A method of operating an image processing system includes storing differences between first analog pixel signals and second analog pixel signals and converting the stored differences to one-bit digital signals, the first analog pixel signals being output from a plurality of pixels and corresponding to a previous frame, and the second analog pixel signals being output from the plurality of pixels and corresponding to a current frame.

2. 发明授权

US09369144B2 Analog-to-digital converter, image sensor including the same, and image processing device including the image sensor 有权
标题翻译：模数转换器，包括其的图像传感器和包括图像传感器的图像处理装置
公开(公告)号：US09369144B2
公开(公告)日：2016-06-14
申请号：US14327047
申请日：2014-07-09
申请人： Samsung Electronics Co., Ltd.
发明人： Jae Hong Kim , Yu Jin Park , Jin Ho Seo , Kwi Sung Yoo , Wun Ki Jung , Han Kook Cho , Seog Heon Ham , Min Ji Hwang
IPC分类号： H04N5/378 , H03M1/12 , H03M1/18
CPC分类号： H03M1/12 , H03M1/18 , H04N5/378
摘要： An analog-to-digital converter includes a gain amplification unit configured to receive a pixel signal at a first node and to amplify a gain of the pixel signal, a first capacitor connected between the first node and a second node, an amplifier configured to receive and amplify a signal output from the gain amplification unit and the first capacitor, and a conversion circuit configured to convert an output signal of the amplifier to a digital signal based on a reference signal and output the digital signal as a first output signal.
摘要翻译：模数转换器包括：增益放大单元，被配置为在第一节点处接收像素信号并放大像素信号的增益;连接在第一节点和第二节点之间的第一电容器，被配置为接收并且放大从增益放大单元和第一电容器输出的信号，以及转换电路，被配置为基于参考信号将放大器的输出信号转换为数字信号，并将数字信号作为第一输出信号输出。

3. 发明授权

US09148600B2 Programmable gain amplifier and devices including the same 有权
标题翻译：可编程增益放大器和包括其的器件
公开(公告)号：US09148600B2
公开(公告)日：2015-09-29
申请号：US14295711
申请日：2014-06-04
申请人： Samsung Electronics Co., Ltd.
发明人： Yu Jin Park , Jae Hong Kim , Jin Ho Seo , Kwi Sung Yoo , Seog Heon Ham
IPC分类号： H04N5/335 , H04N5/3745 , H03G3/00 , H03G1/00 , H04N5/378
CPC分类号： H04N5/37457 , H03G1/0088 , H03G3/001 , H04N5/378
摘要： A programmable gain amplifier includes a sampling circuit, a source follower, a first capacitor and an error amplifier. The sampling circuit is configured to perform correlated double sampling on an input signal using a reference voltage. The first capacitor is connected between the sampling circuit and the source follower. The error amplifier is connected between an input terminal of the source follower and an output terminal of the source follower. The error amplifier is configured to reset a voltage of the output terminal of the source follower to the reference voltage during a source follower reset operation.
摘要翻译：可编程增益放大器包括采样电路，源极跟随器，第一电容器和误差放大器。采样电路被配置为使用参考电压对输入信号执行相关双采样。第一个电容器连接在采样电路和源极跟随器之间。误差放大器连接在源极跟随器的输入端子和源极跟随器的输出端子之间。误差放大器被配置为在源极跟随器复位操作期间将源极跟随器的输出端子的电压复位到参考电压。

4. 发明授权

US10084982B2 Image sensor for improving linearity of analog-to-digital converter and image processing system including the same 有权
公开(公告)号：US10084982B2
公开(公告)日：2018-09-25
申请号：US15087043
申请日：2016-03-31
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Jae Hong Kim , Seung Hyun Lim , Han Kook Cho , Dong Hun Lee , Seog Heon Ham
IPC分类号： H04N5/374 , H04N5/3745 , H04N5/365 , H04N5/378
CPC分类号： H04N5/37455 , H04N5/3658 , H04N5/374 , H04N5/378
摘要： An image sensor and an image processing system including the same are provided. The image sensor includes a pixel array including a plurality of pixels each connected to one of first through m-th column lines to output a pixel signal, where “m” is an integer of at least 2; analog-to-digital converters each configured to receive the pixel signal corresponding to one of the first through m-th column lines, to compare the pixel signal with a ramp signal, and to convert the pixel signal to a digital pixel signal; and a blocking circuit connected to an input terminal of at least one of the analog-to-digital converters to block an influence of an operation of others among the analog-to-digital converters.

5. 发明授权

US08994854B2 CDS circuit, image sensor including the same, and image processing device including the image sensor 有权
标题翻译： CDS电路，包括其的图像传感器和包括图像传感器的图像处理装置
公开(公告)号：US08994854B2
公开(公告)日：2015-03-31
申请号：US13771409
申请日：2013-02-20
申请人： Samsung Electronics Co., Ltd.
发明人： Yu Jin Park , Ji Min Cheon , Jin Ho Seo , Ji Hun Shin , Seog Heon Ham
IPC分类号： H04N5/217 , H04N3/14 , H03K5/1252 , H04N5/378
CPC分类号： H03K5/1252 , H04N5/378
摘要： A correlated double sampling (CDS) circuit includes a correction circuit configured to receive an input pixel signal through a first node via a column line, correct the input pixel signal, and output the corrected pixel signal through a second node; and a comparator including first and second input terminals, the first input terminal being connected to the second node and being configured to receive the corrected pixel signal, and the second input terminal configured to receive a ramp signal, the comparator being configured to compare the corrected pixel signal with the ramp signal and output a comparison signal indicating a result of the comparing, wherein the correction circuit includes, a first capacitor connected between the first and second nodes, and one or more metal lines disposed adjacent to the first capacitor, and wherein at least one other capacitor is formed by the first capacitor and the metal line.
摘要翻译：相关双采样（CDS）电路包括校正电路，配置为经由列线接收通过第一节点的输入像素信号，校正输入像素信号，并通过第二节点输出经校正的像素信号; 以及比较器，包括第一和第二输入端子，所述第一输入端子连接到所述第二节点并且被配置为接收所述校正的像素信号，并且所述第二输入端子被配置为接收斜坡信号，所述比较器被配置为将所述经校正的并且输出表示比较结果的比较信号，其中所述校正电路包括连接在所述第一和第二节点之间的第一电容器和与所述第一电容器相邻布置的一个或多个金属线，并且其中至少一个电容器由第一电容器和金属线形成。

6. 发明授权

US10469773B2 Image sensor, data processing system including the same 有权
公开(公告)号：US10469773B2
公开(公告)日：2019-11-05
申请号：US16003577
申请日：2018-06-08
申请人： Samsung Electronics Co., Ltd.
发明人： Byung Jo Kim , Seog Heon Ham , Sung Ho Suh , Se Jun Kim , Young Tae Jang
IPC分类号： H04N5/347 , H04N9/04 , H04N5/3745 , H04N5/378
摘要： An image sensor includes a pixel array and N analog-to-digital converters (ADCs). The pixel array includes N pixels arranged in each of a plurality of rows, and each of the N pixels include M photoelectric conversion elements. At least one of the N ADCs are shared by at least one of the M photoelectric conversion elements included in each of the N pixels.

7. 发明授权

US09800843B2 Image sensor for reducing channel variation and image processing system including the same 有权
公开(公告)号：US09800843B2
公开(公告)日：2017-10-24
申请号：US14973700
申请日：2015-12-17
申请人： Samsung Electronics Co., Ltd.
发明人： Seung Hyun Lim , Jae Hong Kim , Han Kook Cho , Dong Hun Lee , Jin Uk Jeon , Seog Heon Ham
IPC分类号： H04N5/345 , H04N5/232 , H04N5/335 , H04N9/04 , H04N5/365 , H04N5/378
CPC分类号： H04N9/045 , H04N5/3456 , H04N5/3651 , H04N5/378
摘要： An image sensor for reducing channel variation and an image processing system including the same. The image sensor includes first to mth pixels (m≧2), each of which is connected to a corresponding column line from among first to mth column lines and is configured to output a respective pixel signal.’ The image sensor further includes first to mth bias circuits, each of which is connected to a corresponding column line from among the first to mth column lines and is configured to fix a voltage of the corresponding column line to a bias voltage when a column line-specific pixel is not selected to output the respective pixel signal. An analog-to-digital converter in the image sensor is configured to convert the pixel signals into digital signals.

8. 发明授权

US09407849B2 Image sensor and system including the same 有权
标题翻译：图像传感器和系统包括相同的
公开(公告)号：US09407849B2
公开(公告)日：2016-08-02
申请号：US14084705
申请日：2013-11-20
申请人： Samsung Electronics Co., Ltd.
发明人： Sung Ho Suh , Yu Jin Park , Jin Ho Seo , Kwi Sung Yoo , Seung Hyun Lim , Seog Heon Ham , Kyoung Min Koh , Han Yang , Jae Cheol Yun , Yong Lim , Jae Jin Jung
IPC分类号： H01J40/14 , H04N5/378 , H04N5/374
CPC分类号： H04N5/378 , H04N5/3742
摘要： An image sensor includes a first column pair and a second column pair among a plurality of columns of a pixel array, an analog-to-digital converter pair, and a switch arrangement circuit configured to connect the first column pair with the analog-to-digital converter pair in response to first switch control signals such that two rows among a plurality of rows in the pixel array are read during a single access time.
摘要翻译：图像传感器包括像素阵列的多列之中的第一列对和第二列对，模数转换器对以及被配置为将第一列对与模拟 - 数字转换器对连接的开关布置电路，数字转换器对响应于第一开关控制信号，使得在单个访问时间期间读取像素阵列中的多行中的两行。

9. 发明授权

US09060118B2 Image systems and sensors having focus detection pixels therein 有权
标题翻译：具有焦点检测像素的图像系统和传感器
公开(公告)号：US09060118B2
公开(公告)日：2015-06-16
申请号：US13827277
申请日：2013-03-14
申请人： Samsung Electronics Co., Ltd.
发明人： Jin Hun Shin , Ji Min Cheon , Dong Hun Lee , Hyeok Jong Lee , Jin Ho Seo , Woo Seok Choi , Seog Heon Ham
IPC分类号： H04N5/232 , H04N5/369
CPC分类号： H04N5/23212 , H04N5/3696
摘要： Image sensors include an array of image sensor pixels therein. This array of image sensor pixels includes a first focus detection pixel and at least a first color pixel. A switching network is provided, which is electrically coupled to the array. This switching network may be configured to generate a first mixed image signal by electronically mixing a focus detection signal generated by the first focus detection pixel with at least one color pixel signal generated by the at least a first color pixel. The first focus detection pixel can be a color-blind pixel, which may include a light-blocking shield mask therein.
摘要翻译：图像传感器包括其中的图像传感器像素阵列。该图像传感器像素阵列包括第一焦点检测像素和至少第一颜色像素。提供了一种与阵列电耦合的开关网络。该切换网络可以被配置为通过将由第一焦点检测像素产生的焦点检测信号与由至少一个第一彩色像素生成的至少一个彩色像素信号电子混合来生成第一混合图像信号。第一焦点检测像素可以是彩色盲像素，其可以在其中包括遮光屏蔽掩模。

10. 发明授权

US09055250B2 Correlated double sampling circuit, method thereof and devices having the same 有权
标题翻译：相关双采样电路及其方法及其装置
公开(公告)号：US09055250B2
公开(公告)日：2015-06-09
申请号：US14276687
申请日：2014-05-13
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Yu Jin Park , Jin Ho Seo , Seog Heon Ham , Kwang Hyun Lee , Han Yang
IPC分类号： H04N5/335 , H04N5/3745 , H04N5/357 , G01J1/46 , H04N5/378
CPC分类号： H04N5/3745 , G01J1/46 , H04N5/335 , H04N5/357 , H04N5/378
摘要： A CDS circuit includes first capacitors; second capacitors; and a switch arrangement which, in response to a switch control signal, connects the first capacitors in series between a pixel signal output node and a ground to compress the pixel signal and connects the second capacitors in series between a ramp signal output node and the ground to compress the ramp signal, or connects the first capacitors in parallel between the pixel signal output node and a first input node of the comparator and connects the second capacitors in parallel between the ramp signal output node and a second input node of the comparator.
摘要翻译： CDS电路包括第一电容器; 第二电容器; 以及开关装置，其响应于开关控制信号将第一电容器串联连接在像素信号输出节点和地之间以压缩像素信号，并将第二电容器串联连接在斜坡信号输出节点和地之间压缩斜坡信号，或者将像素信号输出节点和比较器的第一输入节点并联的第一电容器连接在斜坡信号输出节点和比较器的第二输入节点之间并联连接第二电容器。

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