公开(公告)号：US20240163580A1

公开(公告)日：2024-05-16

申请号：US18322226

申请日：2023-05-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dong Jae Han ,  Jae Jung Park ,  Bo Keun Lim ,  Gye Hun Choi

IPC: H04N25/709 ,  H04N25/772

CPC classification number: H04N25/709 ,  H04N25/772

Abstract: An image sensor and an operating method thereof are provided. The image sensor comprises a voltage generator configured to receive a reference voltage and generate an operating voltage, an analog-to-digital converter (ADC) circuit configured to receive the operating voltage and output a digital code based on the operating voltage, and processing circuitry configured to receive the digital code, and calculate a settling time at which the operating voltage was stabilized based on the digital code and a desired settling threshold voltage value.

公开(公告)号：US09509932B2

公开(公告)日：2016-11-29

申请号：US14790901

申请日：2015-07-02

Applicant: Samsung Electronics Co., Ltd. ,  Dongguk University Industry-Academic Cooperation Foundation

Inventor： Jae Jung Park ,  Dae Yun Kim ,  Jae Young Bae ,  Min Kyu Song

IPC: H04N5/228 ,  H04N5/378

CPC classification number: H04N5/378

Abstract: An image sensor may include a comparator including a first input terminal configured to receive a reset signal, a second input terminal configured to receive an image signal, a third input terminal configured to receive a ramp signal configured to ramp in one direction, and an output terminal. The comparator may further include a switch circuit including a plurality of switches. The comparator may be configured to compare the reset signal with the ramp signal and output a first comparison signal through the output terminal according to a first arrangement of the switches in a reset phase and the comparator may be configured to compare the image signal with the ramp signal and output a second comparison signal through the output terminal according to a second arrangement of the switches in an image phase.

Abstract translation: 图像传感器可以包括比较器，其包括被配置为接收复位信号的第一输入端子，被配置为接收图像信号的第二输入端子，被配置为接收被配置为沿一个方向斜坡的斜坡信号的第三输入端子， 终奌站。 比较器还可以包括包括多个开关的开关电路。 比较器可以被配置为将复位信号与斜坡信号进行比较，并且根据复位阶段中的开关的第一布置，通过输出端输出第一比较信号，并且比较器可以被配置为将图像信号与斜坡 根据图像相位中的开关的第二布置，通过输出端子信号并输出​​第二比较信号。

公开(公告)号：US11272079B2

公开(公告)日：2022-03-08

申请号：US16560486

申请日：2019-09-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyu Ik Cho ,  Ji Yong Kim ,  Jae Jung Park

IPC: H04N5/374 ,  H04N3/14 ,  H04N5/369 ,  H04N5/3745 ,  H04N5/335 ,  H04N5/341

Abstract: An image sensor is provided. The image sensor may include an active pixel electrically connected to a column line and configured to provide an output voltage to a pixel node and a bias circuit electrically connected between the pixel node and an earth terminal, and in which a first current flows through a first line electrically connected to the pixel node, wherein the bias circuit includes a first variable capacitor electrically connected to a power supply voltage, and a second variable capacitor electrically connected to the earth terminal, and the magnitude of the first current may be configured to vary based on a ratio of a capacitance of the first variable capacitor to a capacitance of the second variable capacitor. The output voltage may be configured to be adjusted based on the magnitude of the first current.

公开(公告)号：US20190394359A1

公开(公告)日：2019-12-26

申请号：US16560486

申请日：2019-09-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyu Ik Cho ,  Ji Yong Kim ,  Jae Jung Park

IPC: H04N3/14

Abstract: An image sensor is provided. The image sensor may include an active pixel electrically connected to a column line and configured to provide an output voltage to a pixel node and a bias circuit electrically connected between the pixel node and an earth terminal, and in which a first current flows through a first line electrically connected to the pixel node, wherein the bias circuit includes a first variable capacitor electrically connected to a power supply voltage, and a second variable capacitor electrically connected to the earth terminal, and the magnitude of the first current may be configured to vary based on a ratio of a capacitance of the first variable capacitor to a capacitance of the second variable capacitor. The output voltage may be configured to be adjusted based on the magnitude of the first current.

公开(公告)号：US10447898B2

公开(公告)日：2019-10-15

申请号：US15617516

申请日：2017-06-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyu Ik Cho ,  Ji Yong Kim ,  Jae Jung Park

IPC: H04N3/14 ,  H04N5/369 ,  H04N5/3745 ,  H04N5/335 ,  H04N5/341

Abstract: An image sensor is provided. The image sensor may include an active pixel electrically connected to a column line and configured to provide an output voltage to a pixel node and a bias circuit electrically connected between the pixel node and an earth terminal, and in which a first current flows through a first line electrically connected to the pixel node, wherein the bias circuit includes a first variable capacitor electrically connected to a power supply voltage, and a second variable capacitor electrically connected to the earth terminal, and the magnitude of the first current may be configured to vary based on a ratio of a capacitance of the first variable capacitor to a capacitance of the second variable capacitor. The output voltage may be configured to be adjusted based on the magnitude of the first current.