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    Methods of operating image sensors
    1.
    发明授权
    Methods of operating image sensors 有权

    公开(公告)号：US10602086B2

    公开(公告)日：2020-03-24

    申请号：US14883453

    申请日：2015-10-14

    申请人： Seung-Hyuk Chang ,  Yoon-Dong Park ,  Yong-Jei Lee

    发明人： Seung-Hyuk Chang ,  Yoon-Dong Park ,  Yong-Jei Lee

    IPC分类号： H04N5/351 ,  H04N5/225 ,  H04N13/254 ,  H04N13/271 ,  G01S7/481 ,  G01S17/06

    摘要： A method of operating a three-dimensional image sensor may include: obtaining position information of an object using light emitted by a light source module, the three-dimensional image sensor including the light source module having a light source and a lens; and adjusting a relative position of the light source to the lens based on the obtained position information of the object. A method of operating an image sensor may include: obtaining position information of an object using light emitted by a light source module, the image sensor including the light source module; and adjusting an emission angle of the light emitted by the light source module based on the obtained position information.

    Image sensors and image sensing methods selecting photocurrent paths according to incident light
    3.
    发明申请
    Image sensors and image sensing methods selecting photocurrent paths according to incident light 审中-公开
    图像传感器和图像感测方法根据入射光选择光电流路径

    公开(公告)号：US20080012973A1

    公开(公告)日：2008-01-17

    申请号：US11806594

    申请日：2007-06-01

    申请人： Jong-Eun Park ,  Yong-Jei Lee

    发明人： Jong-Eun Park ,  Yong-Jei Lee

    IPC分类号： H04N5/335

    CPC分类号： H04N5/335 ,  H04N5/378

    摘要： Example embodiments may be directed to CMOS image sensors and image sensing methods selecting a path for photocurrent according to the quantity or amount of incident light. The CMOS image sensor may include a pixel array comprised of a plurality of pixel pairs. A pixel pair may include a first pixel, including a first photo diode, a first pair of transistors, and a first floating diffusion node having a first capacitance. The pixel pair may further include a second pixel, including a second photo diode, a second pair of transistors, and a second floating diffusion node having a second capacitance. A first one of the first pair of transistors may be connected between the first photo diode and the first floating diffusion node. A second one of the first pair of transistors may be connected between the first photo diode and the second floating diffusion node. A first one of the second pair of transistors may be connected between the second photo diode and the second floating diffusion node. A second one of the second pair of transistors may be connected between the second photo diode and a first floating diffusion node of a next pixel pair. The first capacitance of the first floating diffusion node may be greater than the second capacitance of the second floating diffusion node.

    摘要翻译： 示例性实施例可以针对CMOS图像传感器和图像感测方法，其根据入射光的量或量选择光电流的路径。 CMOS图像传感器可以包括由多个像素对组成的像素阵列。 像素对可以包括第一像素，包括第一光电二极管，第一对晶体管和具有第一电容的第一浮动扩散节点。 像素对还可以包括第二像素，包括第二光电二极管，第二对晶体管和具有第二电容的第二浮动扩散节点。 第一对晶体管中的第一对可以连接在第一光电二极管和第一浮动扩散节点之间。 第一对晶体管中的第二对可以连接在第一光电二极管和第二浮动扩散节点之间。 第二对晶体管中的第一对可以连接在第二光电二极管和第二浮动扩散节点之间。 第二对晶体管中的第二对可以连接在第二光电二极管和下一个像素对的第一浮动扩散节点之间。 第一浮动扩散节点的第一电容可以大于第二浮动扩散节点的第二电容。

    METHODS OF OPERATING IMAGE SENSORS
    4.
    发明申请
    METHODS OF OPERATING IMAGE SENSORS 审中-公开
    操作图像传感器的方法

    公开(公告)号：US20160037094A1

    公开(公告)日：2016-02-04

    申请号：US14883453

    申请日：2015-10-14

    申请人： Seung-Hyuk CHANG ,  Yoon-Dong PARK ,  Yong-Jei LEE

    发明人： Seung-Hyuk CHANG ,  Yoon-Dong PARK ,  Yong-Jei LEE

    IPC分类号： H04N5/351 ,  G01S17/06 ,  G01S7/481

    CPC分类号： H04N5/351 ,  G01S7/4811 ,  G01S17/06 ,  H04N5/2256 ,  H04N13/254 ,  H04N13/271

    摘要： A method of operating a three-dimensional image sensor may include: obtaining position information of an object using light emitted by a light source module, the three-dimensional image sensor including the light source module having a light source and a lens; and adjusting a relative position of the light source to the lens based on the obtained position information of the object. A method of operating an image sensor may include: obtaining position information of an object using light emitted by a light source module, the image sensor including the light source module; and adjusting an emission angle of the light emitted by the light source module based on the obtained position information.

    摘要翻译： 操作三维图像传感器的方法可以包括：使用由光源模块发射的光获得对象的位置信息，所述三维图像传感器包括具有光源和透镜的光源模块; 以及基于获得的物体的位置信息来调整光源与透镜的相对位置。 操作图像传感器的方法可以包括：使用由光源模块发射的光获得对象的位置信息，所述图像传感器包括光源模块; 以及基于所获得的位置信息来调整由所述光源模块发射的光的发射角。

    PIXEL CIRCUIT, DEPTH SENSOR AND OPERATING METHOD
    5.
    发明申请
    PIXEL CIRCUIT, DEPTH SENSOR AND OPERATING METHOD 有权
    像素电路，深度传感器和操作方法

    公开(公告)号：US20130126716A1

    公开(公告)日：2013-05-23

    申请号：US13611607

    申请日：2012-09-12

    申请人： YONG-JEI LEE ,  YOON-DONG PARK ,  YOUNG-GU JIN

    发明人： YONG-JEI LEE ,  YOON-DONG PARK ,  YOUNG-GU JIN

    IPC分类号： G01J1/44

    CPC分类号： G01J1/44 ,  G01J1/0228 ,  G01J1/18 ,  G01S7/4914 ,  G01S17/89 ,  H04N5/3696

    摘要： A pixel circuit for a depth sensor operating in a detection period and an output period in either a first operating mode (high incident light intensity) or a second operating mode (low incident light intensity). The pixel circuit includes a light receiving unit generating charge in response to the incident light, a signal generation unit accumulating charge in a FDN in response to a transmission signal, reset signal and selection signal during the detection period, and generating an analog signal having a level corresponding to a voltage apparent at the FDN during the output period, and a refresh transistor coupled between a supply voltage and the light receiving unit and discharging charge to the supply voltage in response to a refresh signal.

    摘要翻译： 用于在第一操作模式（高入射光强度）或第二操作模式（低入射光强度）中的检测周期和输出周期中操作的深度传感器的像素电路。 像素电路包括响应于入射光而产生电荷的光接收单元，信号生成单元响应于在检测周期期间的发送信号，复位信号和选择信号在FDN中累积电荷，并且生成具有 对应于在输出周期期间在FDN处显现的电压的电平，以及耦合在电源电压和光接收单元之间的刷新晶体管，并且响应于刷新信号将电荷放电到电源电压。

    THREE-DIMENSIONAL IMAGE SENSORS, CAMERAS, AND IMAGING SYSTEMS
    6.
    发明申请
    THREE-DIMENSIONAL IMAGE SENSORS, CAMERAS, AND IMAGING SYSTEMS 审中-公开
    三维图像传感器，摄像机和成像系统

    公开(公告)号：US20120249740A1

    公开(公告)日：2012-10-04

    申请号：US13432704

    申请日：2012-03-28

    申请人： Tae-Yon LEE ,  Joon-Ho LEE ,  Yoon-Dong PARK ,  Kyoung-Ho HA ,  Yong-Jei LEE ,  Kwang-Hyuk BAE ,  Kyu-Min KYUNG ,  Tae-Chan KIM

    发明人： Tae-Yon LEE ,  Joon-Ho LEE ,  Yoon-Dong PARK ,  Kyoung-Ho HA ,  Yong-Jei LEE ,  Kwang-Hyuk BAE ,  Kyu-Min KYUNG ,  Tae-Chan KIM

    IPC分类号： H04N13/02 ,  H01L27/146

    CPC分类号： H04N13/271 ,  H04N13/207 ,  H04N13/254

    摘要： A three-dimensional image sensor may include a light source module configured to emit at least one light to an object, a sensing circuit configured to polarize a received light that represents the at least one light reflected from the object and configured to convert the polarized light to electrical signals, and a control unit configured to control the light source module and sensing circuit. A camera may include a receiving lens; a sensor module configured to generate depth data, the depth data including depth information of objects based on a received light from the objects; an engine unit configured to generate a depth map of the objects based on the depth data, configured to segment the objects in the depth map, and configured to generate a control signal for controlling the receiving lens based on the segmented objects; and a motor unit configured to control focusing of the receiving lens.

    摘要翻译： 三维图像传感器可以包括：被配置为向对象发射至少一个光的光源模块;感测电路，被配置为使表示从物体反射的至少一个光的接收光偏振，并且被配置为将偏振光 以及被配置为控制光源模块和感测电路的控制单元。 相机可以包括接收透镜; 传感器模块，被配置为生成深度数据，所述深度数据包括基于来自所述对象的接收光的对象的深度信息; 发动机单元，被配置为基于所述深度数据生成所述对象的深度图，所述深度图被配置为在所述深度图中分割所述对象，并​​且被配置为基于所述分割对象生成用于控制所述接收透镜的控制信号; 以及被配置为控制所述接收透镜的聚焦的马达单元。

    Back-side illuminated image sensor
    7.
    发明申请
    Back-side illuminated image sensor 审中-公开
    背面照明图像传感器

    公开(公告)号：US20100140733A1

    公开(公告)日：2010-06-10

    申请号：US12591912

    申请日：2009-12-04

    申请人： Yong Jei Lee ,  Jung Chak Ahn ,  Jong Eun Park ,  Dong-Yoon Jang

    发明人： Yong Jei Lee ,  Jung Chak Ahn ,  Jong Eun Park ,  Dong-Yoon Jang

    IPC分类号： H01L31/02

    CPC分类号： H04N5/361 ,  H01L27/14621 ,  H01L27/14627 ,  H01L27/14636 ,  H01L27/1464 ,  H01L27/14643

    摘要： In an example embodiment, the backside-illuminated image sensor includes a substrate including a plurality of photoelectric conversion devices being separated by a semiconductor. The backside-illuminated sensor further includes a transparent electrode layer or a metal layer formed on a surface of a substrate. As a positive bias voltage or a negative bias voltage is applied to the transparent electrode layer or the metal layer, generation of dark current in the surface of the silicon substrate may be reduced or suppressed.

    摘要翻译： 在示例性实施例中，背面照明图像传感器包括由半导体分隔开的多个光电转换装置的基板。 背侧照明传感器还包括形成在基板的表面上的透明电极层或金属层。 由于向透明电极层或金属层施加正偏置电压或负偏置电压，因此可以减少或抑制硅衬底的表面中的暗电流的产生。

    CMOS IMAGE SENSOR AND METHOD OF DRIVING THE SAME
    8.
    发明申请
    CMOS IMAGE SENSOR AND METHOD OF DRIVING THE SAME 失效
    CMOS图像传感器及其驱动方法

    公开(公告)号：US20080035966A1

    公开(公告)日：2008-02-14

    申请号：US11679319

    申请日：2007-02-27

    申请人： Sung-In Hwang ,  Yong-Jei Lee ,  Jung-Chak Ahn ,  Ju-Hyun Ko

    发明人： Sung-In Hwang ,  Yong-Jei Lee ,  Jung-Chak Ahn ,  Ju-Hyun Ko

    IPC分类号： H01L31/062 ,  H01L21/00

    CPC分类号： H01L27/14643 ,  H01L27/14609 ,  H04N5/3741 ,  H04N5/3745 ,  H04N5/37452

    摘要： A complementary metal-oxide semiconductor (CMOS) image sensor and a method of driving the CMOS image sensor that can reduce the number of devices required by each of a plurality of pixels and can stably drive the pixels, in which each of the pixels includes a photodiode that converts light energy into an electrical signal, a transfer transistor that transmits photocarriers stored in the photodiode to a floating diffusing region, a drive transistor that has a gate connected to the floating diffusion region and drives a voltage signal according to a voltage of the floating diffusion region, the voltage signal being output to an external device, and a capacitive device that is connected between a control voltage source and the floating diffusion region and, when a sensing operation of a corresponding pixel is terminated, deselects the pixel by altering the voltage of the floating diffusion region according to a control voltage provided by the control voltage source.

    摘要翻译： 互补金属氧化物半导体（CMOS）图像传感器和驱动CMOS图像传感器的方法，其可以减少多个像素中的每一个所需的器件的数量，并且可以稳定地驱动像素，其中每个像素包括 将光能转换为电信号的光电二极管，将存储在光电二极管中的光载流子传输到浮动漫射区的传输晶体管，具有连接到浮动扩散区的栅极并根据所述浮动扩散区的电压驱动电压信号的驱动晶体管 浮动扩散区域，电压信号被输出到外部设备;以及电容器件，其连接在控制电压源和浮动扩散区域之间，并且当相应像素的感测操作终止时，通过改变像素 根据由控制电压源提供的控制电压，浮动扩散区域的电压。