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    IMAGE SENSOR WITH IMPROVED BLACK LEVEL CALIBRATION
    51.
    发明申请
    IMAGE SENSOR WITH IMPROVED BLACK LEVEL CALIBRATION 审中-公开
    具有改进黑色等级校准的图像传感器

    公开(公告)号：US20130033629A1

    公开(公告)日：2013-02-07

    申请号：US13650056

    申请日：2012-10-11

    Applicant: OMNIVISION TECHNOLOGIES, INC.

    Inventor： Wei Zheng ,  Hsin-Chih Tai ,  Yin Qian ,  Hongjun Li ,  Howard E. Rhodes

    IPC: H04N5/335 ,  H04N5/225

    CPC classification number: H04N5/361 ,  H01L27/1461 ,  H01L27/14634 ,  H01L27/1464 ,  H04N5/3745

    Abstract: An imaging system capable of black level calibration includes an imaging pixel array, at least one black reference pixel, and peripheral circuitry. The imaging pixel array includes a plurality of active pixels each coupled to capture image data. The black reference pixel is coupled to generate a black reference signal for calibrating the image data. Light transmitting layers are disposed on a first side of a pixel array die including the imaging system and cover at least the imaging pixel array and the black reference pixel. A light shielding layer is disposed on the first side of the pixel array die and covers a portion of the light transmitting layers and the black reference pixel without covering the imaging pixel array.

    Abstract translation: 能够进行黑电平校准的成像系统包括成像像素阵列，至少一个黑色参考像素和外围电路。 成像像素阵列包括多个有源像素，每个有源像素被耦合以捕获图像数据。 黑参考像素被耦合以产生用于校准图像数据的黑参考信号。 光透射层设置在包括成像系统的像素阵列管芯的第一侧，并且至少覆盖成像像素阵列和黑色参考像素。 遮光层设置在像素阵列管芯的第一侧上，并且覆盖透光层和黑色参考像素的一部分而不覆盖成像像素阵列。

    Image Sensor Having Glue Cavity
    52.
    发明公开
    Image Sensor Having Glue Cavity 审中-公开

    公开(公告)号：US20240282789A1

    公开(公告)日：2024-08-22

    申请号：US18171805

    申请日：2023-02-21

    Applicant: OmniVision Technologies, Inc.

    Inventor： Xiaowei Wang ,  Yin Qian ,  Zhiqiang Lin ,  Lindsay Grant

    IPC: H01L27/146

    CPC classification number: H01L27/14618 ,  H01L27/1462 ,  H01L27/14627

    Abstract: An image sensor comprises an image sensor chip comprising a semiconductor substrate having a top surface and a plurality of microlenses disposed on the top surface; a cover glass having a first side in contact with air and a second side opposite to the first side; and a multi-layer structure disposed between the plurality of microlenses and the cover glass, which comprises: a bottom layer directly in contact with the plurality of microlenses, where the refractive index of the bottom layer is lower than the refractive index of the plurality of microlenses, and a top layer directly in contact with the second side of the cover glass, where the top layer is an optical glue made for bonding two optical elements.

    HALF QUAD PHOTODIODE (QPD) TO IMPROVE QPD CHANNEL IMBALANCE
    53.
    发明公开
    HALF QUAD PHOTODIODE (QPD) TO IMPROVE QPD CHANNEL IMBALANCE 审中-公开

    公开(公告)号：US20230395628A1

    公开(公告)日：2023-12-07

    申请号：US17832399

    申请日：2022-06-03

    Applicant: OMNIVISION TECHNOLOGIES, INC.

    Inventor： Chin Poh Pang ,  Wei Deng ,  Chen-Wei Lu ,  Da Meng ,  Guansong Liu ,  Yin Qian ,  Xiaodong Yang ,  Hongjun Li ,  Zhiqiang Lin ,  Chao Niu

    IPC: H01L27/146

    CPC classification number: H01L27/14627 ,  H01L27/14645

    Abstract: Half Quad Photodiode (QPD) for improving QPD channel imbalance. In one embodiment, an image sensor includes a plurality of pixels arranged in rows and columns of a pixel array that is disposed in a semiconductor material. Each pixel includes a plurality of subpixels. Each subpixel comprises a plurality of first photodiodes, a plurality of second photodiodes and a plurality of third photodiodes. The plurality of pixels are configured to receive incoming light through an illuminated surface of the semiconductor material. A plurality of small microlenses are individually distributed over individual first photodiodes and individual second photodiodes of each subpixel. A plurality of large microlenses are each distributed over a plurality of third photodiodes of each subpixel. A diameter of the small microlenses is smaller than a diameter of the large microlenses.

    Flip-chip sample imaging devices with self-aligning lid
    54.
    发明授权
    Flip-chip sample imaging devices with self-aligning lid 有权

    公开(公告)号：US11195864B2

    公开(公告)日：2021-12-07

    申请号：US16290832

    申请日：2019-03-01

    Applicant: OmniVision Technologies, Inc.

    Inventor： Ming Zhang ,  Yin Qian ,  Chia-Chun Miao ,  Dyson H. Tai

    IPC: H01L27/146

    Abstract: A flip-chip sample imaging device with self-aligning lid includes an image sensor chip, a fan-out substrate, and a lid. The image sensor chip includes (a) a pixel array sensitive to light incident on a first side of the image sensor chip and (b) first electrical contacts disposed on the first side and electrically connected to the pixel array. The fan-out substrate is disposed on the first side, is electrically connected to the first electrical contacts, forms an aperture over the pixel array to partly define a sample chamber over the pixel array, and forms a first surface facing away from the first side. The lid is disposed on the first surface of the fan-out substrate, facing away from the first side, to further define the chamber. The lid includes an inner portion protruding into the aperture to align the lid relative to the fan-out substrate.

    System and method for protecting a liquid crystal display by controlling ion migration
    55.
    发明授权
    System and method for protecting a liquid crystal display by controlling ion migration 有权

    公开(公告)号：US10429699B2

    公开(公告)日：2019-10-01

    申请号：US15428307

    申请日：2017-02-09

    Applicant: OmniVision Technologies, Inc.

    Inventor： Christopher Morgan Walker ,  Libo Weng ,  Oray Orkun Cellek ,  Ming Zhang ,  Yin Qian ,  Dyson Hsin-Chih Tai ,  Regis Fan

    IPC: G02F1/1337 ,  G02F1/1333 ,  G02F1/1362 ,  G09G3/36

    Abstract: A liquid crystal display includes a display area and a border area at least partially surrounding the display area, where the display area displays images for viewing and the border area displays display-protection images, which are used to control ion migration in the liquid crystal layer. In a more particular embodiment, the border area displays a series of checkerboard pattern(s), where the checkerboard patterns can alternate between initial and inverted values. The display-protection images protect the liquid crystal display from migrating ions accumulating in particular regions of the pixel array and causing permanent defects in the display area. A liquid crystal display that includes a liquid crystal alignment layer having a plurality of liquid crystal alignment directions is also disclosed. The customized liquid crystal alignment director(s) over the border area promote ion migration away from the display area.

    Combined visible and infrared image sensor incorporating selective infrared optical filter
    56.
    发明授权
    Combined visible and infrared image sensor incorporating selective infrared optical filter 有权

    公开(公告)号：US10425597B2

    公开(公告)日：2019-09-24

    申请号：US15620757

    申请日：2017-06-12

    Applicant: OmniVision Technologies, Inc.

    Inventor： Chen-Wei Lu ,  Ping-Hsu Chen ,  Yin Qian ,  Eiichi Funatsu

    IPC: H04N5/33 ,  H04N5/225 ,  H04N5/232 ,  H04N9/04

    Abstract: An image sensor system, comprising a pixel array that includes at least a first type pixel and a second type pixel, wherein each first type pixel is configured to sense light of a first optical spectral range; and each second pixel is configured to sense light of a second optical spectral range; an optical filter located above the pixel array, said optical filter configured to pass a third optical spectral range and a fourth optical spectral range that is different from the third optical spectral range, wherein the fourth optical spectral range is less than the second optical spectral range; a light source that emits light in a fifth optical spectral range, wherein the fifth optical spectral range at least overlaps with the fourth optical spectral range; and a controller that controls the image sensor system to selectively operate in a first mode that uses said first optical spectral range, and a second mode that uses said second optical spectral range.

    Color filter array with reference pixel to reduce spectral crosstalk
    60.
    发明授权
    Color filter array with reference pixel to reduce spectral crosstalk 有权
    具有参考像素的滤色器阵列，以减少光谱串扰

    公开(公告)号：US09479745B2

    公开(公告)日：2016-10-25

    申请号：US14491039

    申请日：2014-09-19

    Applicant: OMNIVISION TECHNOLOGIES, INC.

    Inventor： Chen-Wei Lu ,  Jin Li ,  Yin Qian ,  Dyson H. Tai

    IPC: H04N9/04 ,  H01L27/146 ,  G02B5/20

    CPC classification number: H04N9/045 ,  G02B5/201 ,  H01L27/14621 ,  H01L27/14627 ,  H01L27/1464 ,  H04N5/357 ,  H04N5/378

    Abstract: A color filter array includes a plurality of tiled minimal repeating units, each minimal repeating unit comprising an M×N set of individual filters. Each minimal repeating unit includes a plurality of imaging filters including individual filters having at least first, second, and third photoresponses, and at least one reference filter having a reference photoresponse, wherein the reference filter is positioned among the imaging filters and wherein the reference photoresponse transmits substantially the crosstalk spectrum that is not filtered from light incident on the color filter array by the plurality of imaging filters. Other embodiments are disclosed and claimed.

    Abstract translation: 滤色器阵列包括多个平铺的最小重复单元，每个最小重复单元包括M×N个单独滤波器组。 每个最小重复单元包括多个成像过滤器，包括具有至少第一，第二和第三光响应的单个过滤器和至少一个具有参考光响应的参考过滤器，其中参考过滤器位于成像过滤器之间，其中参考光响应 通过多个成像滤波器基本上发射未滤波的滤波器的入射到滤色器阵列上的串扰谱。 公开和要求保护其他实施例。

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