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    • 4. 发明授权
    • Digital camera with focus-detection pixels used for light metering
    • 具有焦点检测像素的数码相机用于测光
    • US09083886B2
    • 2015-07-14
    • US13849618
    • 2013-03-25
    • Albert Theuwissen
    • Albert Theuwissen
    • H04N5/238H04N5/235H04N5/369H04N5/232G03B13/00
    • H04N5/2353H04N5/23212H04N5/3696
    • A digital camera (400) comprises a sensor array (410) having image pixels (I) for capturing image data during an exposure period (EP), and focus-detection pixels (F) for determining focus information in a first mode of operation. The digital camera (400) is adapted for obtaining brightness related data (v) from the focus-detection pixels (F) in a second mode of operation, during capturing of an image by means of the image pixels (I), the digital camera further comprising a controller (428) adapted for determining the exposure period (EP) based on the brightness related data (v) obtained from the focus-detection pixels (F). A corresponding method is also provided.
    • 数字照相机(400)包括具有用于在曝光期间(EP)期间拍摄图像数据的图像像素(I)的传感器阵列(410)和用于在第一操作模式下确定焦点信息的焦点检测像素(F)。 数字照相机(400)适于在通过图像像素(I),数字照相机(I)拍摄图像期间在第二操作模式中从焦点检测像素(F)获得亮度相关数据(v) 还包括控制器(428),适于基于从焦点检测像素(F)获得的亮度相关数据(v)来确定曝光周期(EP)。 还提供了相应的方法。
    • 5. 发明申请
    • Image sensor and method for power efficient readout of sub-picture
    • 图像传感器和子图像功率有效读出方法
    • US20130308031A1
    • 2013-11-21
    • US13895402
    • 2013-05-16
    • Albert Theuwissen
    • Albert Theuwissen
    • H04N5/3745
    • H04N5/37455H04N5/3454H04N5/3742H04N5/378
    • An image sensor (1) comprising: an array (2) of pixels logically organized in rows and columns, the outputs of the pixels being connected to column lines (COLx) connectable to an array of buffers (3) via a routing block (10), the buffers being connected to an array of A/D convertors (4), the routing block (10) having a group of switches (6, 7) for reading sub-picture data, whereby the values of at least two rows of the sub-picture are distributed over the analog-to-digital-convertors before digitizing them in parallel. The entire sub-picture (21) may be digitized in one step. The routing block (10) may comprise an analog bus (9). The image sensor (1) further comprises a control circuit (8) for controlling the routing block (10) for routing pixel values on the column lines (COL) to a subset of the buffer array, the control circuit being adapted for supporting sub-pictures (21) with programmable positions and/or sizes.
    • 一种图像传感器(1),包括:以行和列逻辑组织的像素阵列(2),所述像素的输出通过路由块(10)连接到可连接到缓冲器阵列(3)的列线(COLx) ),所述缓冲器连接到A / D转换器阵列(4),所述路由块(10)具有用于读取子图像数据的一组开关(6,7),由此至少两行 在将数字数字化并行之前,副图像分布在模拟 - 数字转换器上。 整个子图像(21)可以在一个步骤中被数字化。 路由块(10)可以包括模拟总线(9)。 图像传感器(1)还包括控制电路(8),用于控制用于将列线(COL)上的像素值路由到缓冲器阵列的子集的路由块(10),该控制电路适于支持子帧 具有可编程位置和/或尺寸的图片(21)。
    • 6. 发明申请
    • Image Sensor with Focus-Detection Pixels, and Method for Reading Focus-Information
    • 具有焦点检测像素的图像传感器和用于读取焦点信息的方法
    • US20140285706A1
    • 2014-09-25
    • US13849625
    • 2013-03-25
    • Albert Theuwissen
    • Albert Theuwissen
    • H04N5/232
    • H04N5/23212H04N5/3696
    • An image sensor (810) comprises a plurality of image pixels (R, G, B) and a plurality of focus-pixels (F), each focus-pixel comprising a light shield (51a, 51b) for partly shielding the focus-pixel from incident light so as to obtain a focus-related signal in a first mode of operation. The image sensor further comprises additional circuitry for processing the focus-related signal, which additional circuitry is conveniently located underneath the light shields. The additional circuitry may be adapted for accumulating the charge of two focus-pixels (F1a, F2a), e.g. by charge binning, and for providing the accumulated charge in a second mode of operation.
    • 图像传感器(810)包括多个图像像素(R,G,B)和多个聚焦像素(F),每个聚焦像素包括用于部分屏蔽聚焦像素的遮光罩(51a,51b) 以便在第一操作模式下获得焦点相关的信号。 图像传感器还包括用于处理聚焦相关信号的附加电路,附加电路方便地位于光屏蔽下方。 附加电路可以适于累积两个聚焦像素(F1a,F2a)的电荷,例如, 并且用于在第二操作模式下提供累积的电荷。
    • 7. 发明申请
    • Floating diffusion pre-charge
    • 浮动扩散预充电
    • US20130256768A1
    • 2013-10-03
    • US13855115
    • 2013-04-02
    • Albert Theuwissen
    • Albert Theuwissen
    • H01L27/146
    • H01L27/14612H04N3/1568H04N5/357H04N5/359H04N5/3741
    • An array comprises a plurality of pixels logically arranged in rows and columns. The pixels comprise a photoreceptor (11) for converting impinging radiation into electronic charge, a transfer element (12) for transferring the electronic charge towards a sense node, a reset transistor (13) for resetting the sense node (16), means for converting the electronic charge onto the sense node (16) into a voltage, and for outputting the voltage as a pixel signal, and means adapted for biasing the sense nodes at a low voltage lower than a reset voltage which is meant to initialise the photoreceptor, during integration of impinging radiation on the photoreceptors.The means for converting and outputting comprise a source follower (14) for converting the electronic charge, and a select transistor (15) for outputting the voltage as a pixel signal, and the reset transistor of at least one pixel is coupled with one main electrode to the gate of the reset transistor of another pixel.
    • 阵列包括以行和列逻辑排列的多个像素。 像素包括用于将入射辐射转换为电荷的感光体(11),用于将电子电荷传送到感测节点的传输元件(12),用于复位感测节点(16)的复位晶体管(13),用于转换 将感测节点(16)上的电子电荷转换为电压并输出作为像素信号的电压,以及适于在低于旨在初始化感光体的复位电压的低电压处偏置感测节点的装置 入射辐射对光感受器的整合。 用于转换和输出的装置包括用于转换电子电荷的源极跟随器(14)和用于输出电压作为像素信号的选择晶体管(15),并且至少一个像素的复位晶体管与一个主电极 到另一像素的复位晶体管的栅极。
    • 10. 发明授权
    • Image sensor with focus-detection pixels, and method for reading focus-information
    • 具有焦点检测像素的图像传感器和用于读取焦点信息的方法
    • US09071748B2
    • 2015-06-30
    • US13849625
    • 2013-03-25
    • Albert Theuwissen
    • Albert Theuwissen
    • H04N5/369H04N5/232
    • H04N5/23212H04N5/3696
    • An image sensor (810) comprises a plurality of image pixels (R, G, B) and a plurality of focus-pixels (F), each focus-pixel comprising a light shield (51a, 51b) for partly shielding the focus-pixel from incident light so as to obtain a focus-related signal in a first mode of operation. The image sensor further comprises additional circuitry for processing the focus-related signal, which additional circuitry is conveniently located underneath the light shields. The additional circuitry may be adapted for accumulating the charge of two focus-pixels (F1a, F2a), e.g. by charge binning, and for providing the accumulated charge in a second mode of operation.
    • 图像传感器(810)包括多个图像像素(R,G,B)和多个聚焦像素(F),每个聚焦像素包括用于部分屏蔽聚焦像素的遮光罩(51a,51b) 以便在第一操作模式下获得焦点相关的信号。 图像传感器还包括用于处理聚焦相关信号的附加电路,附加电路方便地位于光屏蔽下方。 附加电路可以适于累积两个聚焦像素(F1a,F2a)的电荷,例如, 并且用于在第二操作模式下提供累积的电荷。