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公开(公告)号：US09571763B2
公开(公告)日：2017-02-14
申请号：US14554791
申请日：2014-11-26
Applicant: OMNIVISION TECHNOLOGIES, INC.
Inventor： Eiichi Funatsu , Yaowu Mo
IPC: H04N5/355 , H04N5/3745 , H04N9/04
CPC classification number: H04N5/3559 , H04N5/37457 , H04N9/045
Abstract: A method of reading out a pixel includes photogenerating charge carriers during a single integration time in photodetectors of each one of a plurality of sub-pixels included in the pixel. Each one of the plurality of sub-pixels of the pixel has a same color filter. A floating diffusion node of the pixel is reset. The floating diffusion node is sampled to generate a reset output sample signal. Charge carriers that were photogenerated in a first portion of the plurality of sub-pixels are transferred to the floating diffusion node. The floating diffusion node is sampled to generate a first output sample signal. Charge carriers that were photogenerated in a second portion of the plurality of sub-pixels are transferred to the floating diffusion node. The floating diffusion node is sampled to generate a second output sample signal.
Abstract translation: 读出像素的方法包括在单个积分时间期间在包括在像素中的多个子像素中的每一个的光电检测器中的光生电荷载流子。 像素的多个子像素中的每一个具有相同的滤色器。 像素的浮动扩散节点被复位。 对浮动扩散节点进行采样以产生复位输出采样信号。 在多个子像素的第一部分中被光生的电荷载流子被传送到浮动扩散节点。 对浮动扩散节点进行采样以产生第一输出采样信号。 在多个子像素的第二部分中被光生的电荷载流子被传送到浮动扩散节点。 对浮动扩散节点进行采样以产生第二输出采样信号。
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公开(公告)号：US20160373644A1
公开(公告)日：2016-12-22
申请号：US15256368
申请日：2016-09-02
Applicant: OMNIVISION TECHNOLOGIES, INC.
Inventor： Tiejun Dai , Eiichi Funatsu , Donghui Wu , Zheng Yang , Xiao Xie
CPC classification number: H04N5/23212 , H04N5/243 , H04N5/3765 , H04N5/378
Abstract: A method of focusing an image sensor includes scanning a first portion of an image frame from an image sensor a first time at a first rate to produce first focus data. A second portion of the image frame from the image sensor is scanned at a second rate to read image data from the second portion. The first rate is greater than the second rate. The first portion of the image frame is scanned a second time at the first rate to produce second focus data. The first focus data and the second focus data are compared, and the focus of a lens is adjusted in response to the comparison of the first focus data and the second focus data.
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公开(公告)号：US11706537B2
公开(公告)日：2023-07-18
申请号：US17715376
申请日：2022-04-07
Applicant: OmniVision Technologies, Inc.
Inventor： Hiroki Ui , Eiichi Funatsu
IPC: H04N25/704 , H04N25/77 , H04N25/44 , H04N25/78 , H04N25/46
CPC classification number: H04N25/704 , H04N25/44 , H04N25/77 , H04N25/78
Abstract: An image sensor includes a plurality of pixels that is arranged in a matrix and each of which outputs a signal in response to incident light, wherein readout of data can be performed with respect to the plurality of pixels, and simultaneous readout of data of a plurality of columns of pixels can be performed, and at least one pixel of the plurality of columns of pixels to be read simultaneously can be read for phase detection with respect to each of divided sub-pixels. The image sensor is configured to, with n rows as a readout unit where n is an integer of 2 or more, perform readout for at least one sub-pixel of at least one pixel in one readout cycle within the readout unit, perform readout for each pixel including phase detection readout for the other sub-pixel of the at least one pixel in which the at least one sub-pixel has been read in the one readout cycle, in another readout cycle within the readout unit, and end the readout for the readout unit with the n+1 readout cycles.
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公开(公告)号：US11647175B2
公开(公告)日：2023-05-09
申请号：US17113011
申请日：2020-12-05
Applicant: OmniVision Technologies, Inc.
Inventor： Richard Mann , Badrinath Padmanabhan , Boyd Fowler , Alireza Bonakdar , Eiichi Funatsu
IPC: H04N13/218 , G06T7/593 , H04N13/257 , G06T7/571 , H04N23/67
CPC classification number: H04N13/218 , G06T7/571 , G06T7/593 , H04N13/257 , H04N23/672
Abstract: An optical system comprises an imaging lens for imaging an object to an image and a sensing pixel array for detecting lights from the object toward the image. The sensing pixel array comprises a first sensing pixel and a second sensing pixel, each sensing pixel comprising a microlens covering a one-dimensional series of photodiodes having n photodiodes. A photodiode at an end of the one-dimensional series of photodiodes of the first sensing pixel detects a first light from the object toward the image, and a photodiode at an opposite end of the one-dimensional series of photodiodes of the second sensing pixel detects a second light from the object toward the image, where the first light and the second light pass opposite parts of the imaging lens.
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公开(公告)号：US11412190B2
公开(公告)日：2022-08-09
申请号：US16983844
申请日：2020-08-03
Applicant: OMNIVISION TECHNOLOGIES, INC.
Inventor： Chen-Wei Lu , Yin Qian , Eiichi Funatsu , Jin Li
Abstract: An image sensor includes a photodiode array and a color filter array optically aligned with the photodiode array. The photodiode array includes a plurality of photodiodes disposed within respective portions of a semiconductor material. The color filter array includes a plurality of color filters arranged to form a plurality of tiled minimal repeating units. Each minimal repeating unit includes at least a first color filter with a red spectral photoresponse, a second color filter with a yellow spectral photoresponse, and a third color filter with a panchromatic spectral photoresponse.
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Patent Agency Ranking
公开(公告)号：US10951840B1
公开(公告)日：2021-03-16
申请号：US16555796
申请日：2019-08-29
Applicant: OMNIVISION TECHNOLOGIES, INC.
Inventor： Rui Wang , Hiroaki Ebihara , Eiichi Funatsu
IPC: H04N5/347 , H04N5/378 , H01L27/146
Abstract: A photodiode array circuit includes a plurality of photodiode circuits, binning circuitry, and a plurality of output circuits. Each of the plurality of photodiode circuits is coupled to receive a different one of the plurality of transfer control signals as a proximate photodiode circuit, proximate in a first direction. The binning circuitry is coupled to electrically connect the plurality of photodiode circuits into groups of photodiode circuit sense nodes in response to a binning control signal. Each of the plurality of output circuits is coupled to one of the groups of photodiode circuit sense nodes. Each of the plurality of output circuits are coupled to receive the output charge from the photodiode circuits in the one of the groups of photodiode circuit sense nodes and output an output signal to a bitline in response to the output charge and an row select signal.
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公开(公告)号：US20210067714A1
公开(公告)日：2021-03-04
申请号：US16555796
申请日：2019-08-29
Applicant: OMNIVISION TECHNOLOGIES, INC.
Inventor： Rui Wang , Hiroaki Ebihara , Eiichi Funatsu
Abstract: A photodiode array circuit includes a plurality of photodiode circuits, binning circuitry, and a plurality of output circuits. Each of the plurality of photodiode circuits is coupled to receive a different one of the plurality of transfer control signals as a proximate photodiode circuit, proximate in a first direction. The binning circuitry is coupled to electrically connect the plurality of photodiode circuits into groups of photodiode circuit sense nodes in response to a binning control signal. Each of the plurality of output circuits is coupled to one of the groups of photodiode circuit sense nodes. Each of the plurality of output circuits are coupled to receive the output charge from the photodiode circuits in the one of the groups of photodiode circuit sense nodes and output an output signal to a bitline in response to the output charge and an row select signal.
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公开(公告)号：US10582178B2
公开(公告)日：2020-03-03
申请号：US15341374
申请日：2016-11-02
Applicant: OmniVision Technologies, Inc.
Inventor： Zheng Yang , Eiichi Funatsu , Sohei Manabe , Keiji Mabuchi , Dajiang Yang , Duli Mao , Bowei Zhang
IPC: H04N13/00 , H04N13/106 , H01L27/146 , H04N5/3745 , H04N13/271 , G06T7/586 , G06T7/593 , G01B11/24 , H04N13/254 , G06T5/00 , G06T5/50 , H04N5/353 , H04N5/378
Abstract: An active depth imaging system and method of operating the same captures illuminator-on and illuminator-off image data with each of a first and second imager. The illuminator-on image data includes information representing an imaged scene and light emitted from an illuminator and reflected off of objects within the imaged scene. The illuminator-off image data includes information representing the imaged scene without the light emitted from the illuminator. For each image set captured by the first and second imagers, illuminator-off image data is subtracted from the illuminator-on image data to identify the illuminated light within the scene. The depth of an object at which the light is incident on then is determined by the subtracted image data of the first and second imagers.
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公开(公告)号：US20190268556A1
公开(公告)日：2019-08-29
申请号：US16222832
申请日：2018-12-17
Applicant: OmniVision Technologies, Inc.
Inventor： Hiroaki Ebihara , Rui Wang , Zheng Yang , Eiichi Funatsu
IPC: H04N5/378 , H01L27/146
Abstract: An image sensor includes a pixel array including a plurality of pixels. A bit line coupled to a column of pixels is separated in to a plurality of electrically portions that are coupled to corresponding portions of rows of the pixel array. A first switching circuit of a readout circuit is coupled to the bit line. A first switching circuit is configured to couple a bit line current source to the bit line to provide a DC current coupled to flow through the bit line and through the first switching circuit during a readout operation of a pixel coupled to the bit line. A second switching circuit is configured to couple and ADC to the bit line during the readout operation of the pixel. Substantially none of the DC current provided by the bit line current source flows through the second switching circuit during the readout operation of the pixel.
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公开(公告)号：US10015388B2
公开(公告)日：2018-07-03
申请号：US15256368
申请日：2016-09-02
Applicant: OMNIVISION TECHNOLOGIES, INC.
Inventor： Tiejun Dai , Eiichi Funatsu , Donghui Wu , Zheng Yang , Xiao Xie
CPC classification number: H04N5/23212 , H04N5/243 , H04N5/3765 , H04N5/378
Abstract: A method of focusing an image sensor includes scanning a first portion of an image frame from an image sensor a first time at a first rate to produce first focus data. A second portion of the image frame from the image sensor is scanned at a second rate to read image data from the second portion. The first rate is greater than the second rate. The first portion of the image frame is scanned a second time at the first rate to produce second focus data. The first focus data and the second focus data are compared, and the focus of a lens is adjusted in response to the comparison of the first focus data and the second focus data.
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