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1. 发明申请

WO2009058602A1 ONE-STEP BLACK LEVEL CALIBRATION FOR IMAGE SENSORS 审中-公开
标题翻译：图像传感器的一步黑色等级校准
公开(公告)号：WO2009058602A1
公开(公告)日：2009-05-07
申请号：PCT/US2008/080549
申请日：2008-10-20
申请人： OMNIVISION TECHNOLOGIES, INC. , DAI, Tiejun , LUO, Xiaodong , XU, Xiangchen
发明人： DAI, Tiejun , LUO, Xiaodong , XU, Xiangchen
IPC分类号： H04N5/217
CPC分类号： H04N5/361
摘要： Embodiments of a process comprising receiving a plurality of offset analog signals, each corresponding to one of a plurality of black pixels in a pixel array; obtaining a corresponding digital value for each offset analog signal; computing an average of the digital values; and computing a black-level offset that, if applied to the digital values, would make the average of the digital values equal to a target value. Also disclosed are embodiments of an apparatus comprising an analog-to-digital converter coupled to an analog channel to receive offset analog black pixel signals from the analog channel and to obtain a corresponding digital value for each offset analog signal; circuitry and logic coupled to the analog-to-digital converter to average the digital values corresponding to the black pixels and compute a black-level offset that, if applied to the digital values of the black pixels, would make the average of the digital values of the black pixels equal to a target value.
摘要翻译：一种处理的实施例包括接收多个偏移模拟信号，每个对应于像素阵列中的多个黑色像素之一; 获得每个偏移模拟信号的相应数字值; 计算数字值的平均值; 并且计算黑电平偏移，如果应用于数字值，则将使数字值的平均值等于目标值。还公开了一种装置的实施例，其包括耦合到模拟通道的模数转换器以从模拟通道接收偏移模拟黑色像素信号并获得每个偏移模拟信号的相应数字值; 电路和逻辑耦合到模数转换器以平均对应于黑色像素的数字值，并计算黑电平偏移，如果应用于黑色像素的数字值，则将使数字值的平均值的黑色像素等于目标值。

2. 发明申请

WO2009100039A1 CIRCUIT AND PHOTO SENSOR OVERLAP FOR BACKSIDE ILLUMINATION IMAGE SENSOR 审中-公开
标题翻译：用于背光照明图像传感器的电路和照片传感器覆盖
公开(公告)号：WO2009100039A1
公开(公告)日：2009-08-13
申请号：PCT/US2009/032898
申请日：2009-02-02
申请人： OMNIVISION TECHNOLOGIES, INC. , DAI, Tiejun , TAI, Hsin-Chih , MANABE, Sohei , NOZAKI, Hidetoshi , RHODES, Howard, E.
发明人： DAI, Tiejun , TAI, Hsin-Chih , MANABE, Sohei , NOZAKI, Hidetoshi , RHODES, Howard, E.
IPC分类号： H01L27/146
CPC分类号： H01L27/14603 , H01L27/14627 , H01L27/1464 , H01L27/14641
摘要： A backside illuminated ("BSI") imaging sensor pixel (400) includes a photodiode (420) region and pixel circuitry (430) The photodiode region is disposed within a semiconductor die for accumulating an image charge in response to light incident upon a backside of the BSI imaging sensor pixel. The pixel circuitry includes transistor pixel circuitry disposed within the semiconductor die between a frontside of the semiconductor die and the photodiode region. At least a portion of the pixel circuitry overlaps the photodiode region.
摘要翻译：背面照明（“BSI”）成像传感器像素（400）包括光电二极管（420）区域和像素电路（430）。光电二极管区域设置在半导体管芯内，用于响应于入射到 BSI成像传感器像素。像素电路包括设置在半导体管芯内的半导体管芯的前侧和光电二极管区域之间的晶体管像素电路。像素电路的至少一部分与光电二极管区域重叠。

3. 发明申请

WO2009155124A1 PARTIAL ROW READOUT FOR IMAGE SENSOR 审中-公开
标题翻译：图像传感器的部分读出
公开(公告)号：WO2009155124A1
公开(公告)日：2009-12-23
申请号：PCT/US2009/045867
申请日：2009-06-01
申请人： OMNIVISION TECHNOLOGIES,INC. , DAI, Tiejun
发明人： DAI, Tiejun
IPC分类号： H04N9/04 , H04N5/335 , H04N3/15
CPC分类号： H04N9/045 , H04N5/3452 , H04N5/3742 , H04N5/378 , H04N2209/045
摘要： An image sensor includes a color filter array, sense amplifiers, multiplexing circuitry, and an output. The color filter array acquires image data using an array of M columns and N rows of pixels. The sense amplifiers are coupled to the color filter array for reading out image data from the color filter array. The multiplexing circuitry couples the sense amplifiers to the color filter array, wherein each sense amplifier is time shared across multiple columns and multiple rows. The output is coupled to receive the image data from the sense amplifiers and output the image data off -chip insequential color groups, where each color group includes image data associaled with a plurality of same cplor pixels within the same row, so that in the output signal the transitions between adjacent image values are less abrupt and the transfened output signal therefore requiresless bandwidth, thereby improving the signal quality received at a remote unit.
摘要翻译：图像传感器包括滤色器阵列，读出放大器，复用电路和输出。滤色器阵列使用M列和N行像素的阵列来获取图像数据。感测放大器耦合到滤色器阵列，用于从滤色器阵列读出图像数据。复用电路将读出放大器耦合到滤色器阵列，其中每个读出放大器在多个列和多行之间被时间共享。输出被耦合以从读出放大器接收图像数据，并输出除了芯片之后的相应颜色组中的图像数据，其中每个颜色组包括与同一行内的多个相同的cplor像素相关的图像数据，使得在输出信号，相邻图像值之间的转变不太突然，并且转换的输出信号因此无需带宽，从而改善在远程单元处接收到的信号质量。

4. 发明申请

WO2009064649A1 SWITCHED-CAPACITOR AMPLIFIER WITH IMPROVED RESET PHASE 审中-公开
标题翻译：具有改进复位相位的开关电容放大器
公开(公告)号：WO2009064649A1
公开(公告)日：2009-05-22
申请号：PCT/US2008/082532
申请日：2008-11-05
申请人： OMNIVISION TECHNOLOGIES, INC. , DENG, Liping , DAI, Tiejun , GUO, Haidong , LIN, Chieh-Chien , YANG, Yu-Shen
发明人： DENG, Liping , DAI, Tiejun , GUO, Haidong , LIN, Chieh-Chien , YANG, Yu-Shen
IPC分类号： H03F3/00 , H03F3/45 , H03F3/68
CPC分类号： H03F3/005 , H03F3/45183 , H03F3/68
摘要： A switch-capacitor ("SC") amplifier includes a two-stage operational amplifier ("OP-AMP"), an input SC network, and a feedback SC network. The two-stage OP-AMP includes a first OP-AMP stage having an output coupled to an input of a second OP-AMP stage. The input SC network is coupled to an input of the first OP-AMP stage. The feedback SC network is configured to selectively couple the output of the first OP-AMP stage to the input of the first OP-AMP stage during a first phase of operation of the SC amplifier and to couple an output of the second OP-AMP stage to the input of the first OP-AMP stage during a second phase of operation of the SC amplifier.
摘要翻译：开关电容器（“SC”）放大器包括两级运算放大器（“OP-AMP”），输入SC网络和反馈SC网络。两级OP-AMP包括具有耦合到第二OP-AMP级的输入的输出的第一OP-AMP级。输入SC网络耦合到第一OP-AMP级的输入端。反馈SC网络被配置为在SC放大器的第一操作阶段期间将第一OP-AMP级的输出选择性地耦合到第一OP-AMP级的输入，并且将第二OP-AMP级的输出耦合在SC放大器的第二操作阶段期间到第一OP-AMP级的输入。

5. 发明申请

WO2009036223A1 LIGHT SOURCE FREQUENCY DETECTION CIRCUIT FOR IMAGE SENSOR 审中-公开
标题翻译：光源频率检测电路，用于图像传感器
公开(公告)号：WO2009036223A1
公开(公告)日：2009-03-19
申请号：PCT/US2008/076088
申请日：2008-09-11
申请人： OMNIVISION TECHNOLOGIES, INC. , DAI, Tiejun , ZHANG, Jingzhou , DENG, Liping
发明人： DAI, Tiejun , ZHANG, Jingzhou , DENG, Liping
IPC分类号： H04N5/235
CPC分类号： H04N5/2357 , H04N5/144 , H04N7/0132 , H04N17/002
摘要： An apparatus for measuring the power frequency of a light source includes a photo-sensor, a modulator, and a logic unit. The photo-sensor generates an electrical signal that is responsive to light incident thereon from the light source. The modulator generates a modulated signal based on the electrical signal that toggles at a rate substantially proportional to the power frequency of the light source. The logic unit is coupled to receive the modulated signal and determine its toggling frequency.
摘要翻译：用于测量光源的功率频率的装置包括光传感器，调制器和逻辑单元。光传感器产生响应于从光源入射到其上的光的电信号。调制器基于电信号产生调制信号，该电信号以基本上与光源的功率频率成比例的速率切换。逻辑单元被耦合以接收调制信号并确定其切换频率。

6. 发明申请

WO2009067335A1 LIGHT SOURCE FREQUENCY DETECTION CIRCUIT USING BIPOLAR TRANSISTOR 审中-公开
标题翻译：使用双极晶体管的光源频率检测电路
公开(公告)号：WO2009067335A1
公开(公告)日：2009-05-28
申请号：PCT/US2008/082533
申请日：2008-11-05
申请人： OMNIVISION TECHNOLOGIES, INC. , DAI, Tiejun , MANABE, Sohei , YAO, Hongtao , ZHANG, Jingzhou , DENG, Liping
发明人： DAI, Tiejun , MANABE, Sohei , YAO, Hongtao , ZHANG, Jingzhou , DENG, Liping
IPC分类号： H04N5/235
CPC分类号： H04N5/14 , H01L31/1105 , H04N5/144 , H04N5/235 , H04N5/2357 , H04N5/3765
摘要： An apparatus for measuring the power frequency of a light source includes a photosensitive transistor, a modulator, and a logic unit. The photo-sensitive transistor generates an electrical signal that is responsive to light incident thereon from the light source. The modulator generates a modulated signal based on the electrical signal that toggles at a rate substantially proportional to the power frequency of the light source. The logic unit is coupled to receive the modulated signal and determine its toggling frequency.
摘要翻译：用于测量光源的功率频率的装置包括光敏晶体管，调制器和逻辑单元。光敏晶体管产生响应于从光源入射到其上的光的电信号。调制器基于电信号产生调制信号，电信号以基本上与光源的功率频率成比例的速率切换。逻辑单元被耦合以接收调制信号并确定其切换频率。

7. 发明申请

WO2009099814A1 BACKSIDE ILLUMINATED IMAGE SENSOR WITH GLOBAL SHUTTER AND STORAGE CAPACITOR 审中-公开
标题翻译：背面照明图像传感器与全球快门和存储电容
公开(公告)号：WO2009099814A1
公开(公告)日：2009-08-13
申请号：PCT/US2009/032172
申请日：2009-01-27
申请人： OWNIVISION TECHNOLOGIES, INC. , ZHANG, Guangbin , DAI, Tiejun , YANG, Hongli
发明人： ZHANG, Guangbin , DAI, Tiejun , YANG, Hongli
IPC分类号： H04N5/335
CPC分类号： H04N5/335 , H01L27/14609 , H01L27/14627 , H01L27/1464 , H04N5/3745
摘要： A backside illuminated imaging sensor pixel includes a photodiode region, a pixel circuitry region, and a storage capacitor. The photodiode region is disposed within a semiconductor die for accumulating an image charge. The pixel circuitry region is disposed on the semiconductor die between a frontside of the semiconductor die and the photodiode region. The pixel circuitry region overlaps at least a portion of the photodiode region. The storage capacitor is included within the pixel circuitry region overlapping the photodiode region and is selectively coupled to the photodiode region to temporarily store image charges accumulated thereon.
摘要翻译：背面照明成像传感器像素包括光电二极管区域，像素电路区域和存储电容器。光电二极管区域设置在用于累积图像电荷的半导体管芯内。像素电路区域设置在半导体管芯的前半部分与光电二极管区域之间的半导体管芯上。像素电路区域与光电二极管区域的至少一部分重叠。存储电容器包括在与光电二极管区域重叠的像素电路区域内，并且选择性地耦合到光电二极管区域以暂时存储其上累积的图像电荷。

8. 发明申请

WO2013109403A1 IMAGE SENSOR WITH INTEGRATED AMBIENT LIGHT DETECTION 审中-公开
标题翻译：具有集成环境光检测的图像传感器
公开(公告)号：WO2013109403A1
公开(公告)日：2013-07-25
申请号：PCT/US2012/072180
申请日：2012-12-28
申请人： OMNIVISION TECHNOLOGIES, INC.
发明人： QIAO, Wenhao , YANG, Zheng , DAI, Tiejun
IPC分类号： H04N5/374
CPC分类号： H04N5/2351 , H04N5/351 , H04N5/3741 , H04N5/378
摘要： An image sensor having an image acquisition mode and an ambient light sensing mode includes a pixel array having pixel cells organized into rows and columns for capturing image data and ambient light data. Readout circuitry is coupled via column bit lines to the pixels cells to read out the image data along the column bit lines. An ambient light detection ("ALD") unit is selectively coupled to the pixel array to readout the ambient light data and to generate an ambient light signal based on ambient light incident upon the pixel array. Control circuitry is coupled to the pixel array to control time sharing of the pixels cells between the readout circuitry during image acquisition and the ALD unit during ambient light sensing.
摘要翻译：具有图像获取模式和环境光感测模式的图像传感器包括具有被组织成用于捕获图像数据和环境光数据的行和列的像素单元的像素阵列。读出电路通过列位线耦合到像素单元，以沿列位线读出图像数据。环境光检测（“ALD”）单元选择性地耦合到像素阵列以读出环境光数据，并且基于入射到像素阵列上的环境光产生环境光信号。控制电路耦合到像素阵列，以在环境光感测期间控制图像采集期间的读出电路与ALD单元之间的像素单元的时间共享。

9. 发明授权

EP2220764B1 SWITCHED-CAPACITOR AMPLIFIER WITH IMPROVED RESET PHASE 有权
标题翻译：具有改进的RESET PHASE开关电容放大器
公开(公告)号：EP2220764B1
公开(公告)日：2015-03-11
申请号：EP08848860.6
申请日：2008-11-05
申请人： OmniVision Technologies, Inc.
发明人： DENG, Liping , DAI, Tiejun , GUO, Haidong , LIN, Chieh-Chien , YANG, Yu-Shen
IPC分类号： H03F3/00 , H03F3/45 , H03F3/68
CPC分类号： H03F3/005 , H03F3/45183 , H03F3/68

10. 发明授权

EP2215830B1 LIGHT SOURCE FREQUENCY DETECTION CIRCUIT USING BIPOLAR TRANSISTOR 有权
公开(公告)号：EP2215830B1
公开(公告)日：2018-06-27
申请号：EP08853122.3
申请日：2008-11-05
申请人： OmniVision Technologies, Inc.
发明人： DAI, Tiejun , MANABE, Sohei , YAO, Hongtao , ZHANG, Jingzhou , DENG, Liping
IPC分类号： H04N5/14
CPC分类号： H04N5/14 , H01L31/1105 , H04N5/144 , H04N5/235 , H04N5/2357 , H04N5/3765
摘要： An apparatus for measuring the power frequency of a light source includes a photo-sensitive transistor, a modulator and a logic unit. The photo-sensitive transistor generates an electrical signal that is responsive to light incident thereon from the light source. The modulator generates a modulated signal based on the electrical signal that toggles at a rate substantially proportional to the power frequency of the light source. The logic unit is coupled to receive the modulated signal and determine its toggling frequency.

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