公开(公告)号：US20230020850A1

公开(公告)日：2023-01-19

申请号：US17678268

申请日：2022-02-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jaehoon JUN ,  Han YANG

IPC: H04N5/369 ,  H04N5/378

Abstract: An image sensor including: a pixel array including first and second pixels connected to a column line; a row driver to provide the first pixel with a first selection signal based on a clamp voltage, and to provide the second pixel with a second selection signal based on a selection voltage, wherein the first pixel outputs a first output voltage in response to the first selection signal, and the second pixel outputs a second output voltage in response to the second selection signal, wherein the first and second output voltages are output as a pixel signal through the column line, wherein a voltage of the pixel signal corresponds to a voltage obtained by clamping the second output voltage with the first output voltage, and wherein a change in a voltage level of the first output voltage due to a temperature is compensated for b the clamp voltage.

公开(公告)号：US20140145067A1

公开(公告)日：2014-05-29

申请号：US14084705

申请日：2013-11-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： 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: H04N5/378

CPC classification number: H04N5/378 ,  H04N5/3742

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20170134681A1

公开(公告)日：2017-05-11

申请号：US15410097

申请日：2017-01-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyoung-Min KOH ,  Ju-Hyun KO ,  Han YANG ,  Jae-Cheol YUN ,  Kwang-Hyun LEE ,  Seon-Ju LEE

IPC: H04N5/378 ,  H04N5/232 ,  H04N5/235

CPC classification number: H04N5/378 ,  H04N5/23212 ,  H04N5/23245 ,  H04N5/2353 ,  H04N5/347 ,  H04N5/35554 ,  H04N5/3696 ,  H04N5/37457 ,  H04N9/045 ,  H04N2209/045

Abstract: An image sensor includes a pixel array in which a plurality of pixels, first and second row selection lines separated from each other, and first and second column lines separated from each other are disposed and a column selecting circuit configured to connect the first and second column lines using a column selection signal. The pixel array includes a first pixel which is connected to the first row selection line and the first column line and a second pixel which is disposed in the same row as the first pixel and connected to the second row selection line and the second column line.

公开(公告)号：US20210211596A1

公开(公告)日：2021-07-08

申请号：US17212375

申请日：2021-03-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Han YANG

IPC: H04N5/365 ,  H04N5/369 ,  H04N5/378

Abstract: An image sensor includes a unit pixel, a first compensation circuit generating a first compensation voltage signal to compensate for horizontal noise corresponding to a variation in an input signal of a horizontal line coupled to the column line, a second compensation circuit generating a second compensation voltage signal to compensate for power noise corresponding to a variation in a power supply voltage, and a readout circuit including a first transistor, having a gate connected to an output terminal of the first compensation circuit, and a second transistor, connected to the first transistor in parallel, having a gate connected to an output terminal of the second compensation circuit, the readout circuit being configured to calibrate at least one of an output signal of the unit pixel and a ramp voltage signal, output by a ramp generator, using the first compensation voltage signal and the second compensation voltage signal.

公开(公告)号：US20200314374A1

公开(公告)日：2020-10-01

申请号：US16670268

申请日：2019-10-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Han YANG

IPC: H04N5/365 ,  H04N5/378 ,  H04N5/369

Abstract: An image sensor includes a unit pixel, a first compensation circuit generating a first compensation voltage signal to compensate for horizontal noise corresponding to a variation in an input signal of a horizontal line coupled to the column line, a second compensation circuit generating a second compensation voltage signal to compensate for power noise corresponding to a variation in a power supply voltage, and a readout circuit including a first transistor, having a gate connected to an output terminal of the first compensation circuit, and a second transistor, connected to the first transistor in parallel, having a gate connected to an output terminal of the second compensation circuit, the readout circuit being configured to calibrate at least one of an output signal of the unit pixel and a ramp voltage signal, output by a ramp generator, using the first compensation voltage signal and the second compensation voltage signal.

公开(公告)号：US20140333813A1

公开(公告)日：2014-11-13

申请号：US14276687

申请日：2014-05-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yu Jin PARK ,  Jin Ho SEO ,  Seog Heon HAM ,  Kwang Hyun LEE ,  Han YANG

IPC: H04N5/3745

CPC classification number: H04N5/3745 ,  G01J1/46 ,  H04N5/335 ,  H04N5/357 ,  H04N5/378

Abstract: 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.

Abstract translation: 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。