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    TEXTURE RECOGNITION DEVICE AND OPERATION METHOD OF TEXTURE RECOGNITION DEVICE
    81.
    发明申请
    TEXTURE RECOGNITION DEVICE AND OPERATION METHOD OF TEXTURE RECOGNITION DEVICE 审中-公开

    公开(公告)号：US20200279086A1

    公开(公告)日：2020-09-03

    申请号：US16599221

    申请日：2019-10-11

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Lei WANG ,  Haisheng WANG ,  Changfeng LI ,  Xiaoquan HAI ,  Lin ZHANG

    IPC: G06K9/00 ,  G02F1/1333 ,  G02F1/1335

    Abstract: An operation method of a texture recognition device and a texture recognition device are provided. The texture recognition device includes a light source array and an image sensor array; the light source array includes a plurality of light sources; the image sensor array includes a plurality of groups of image sensors; and the operation method includes: in a first period, allowing the light source array to operate to provide a first photosensitive light source, allowing a first group of image sensors that can receive first light emitted by the first photosensitive light source and reflected by the texture to be in a state of sensing and generating a detection electrical signal, and allowing at least one group of image sensors that can receive the first light except the first group of image sensors to be in a state of not sensing and not generating a detection electrical signal.

    Array Substrate, Display Device and Spatial Positioning Method of Display Device
    82.
    发明申请
    Array Substrate, Display Device and Spatial Positioning Method of Display Device 审中-公开

    公开(公告)号：US20200266242A1

    公开(公告)日：2020-08-20

    申请号：US16639282

    申请日：2019-07-24

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Xiaoliang DING ,  Xue DONG ,  Haisheng WANG ,  Yingming LIU ,  Pengpeng WANG ,  Yangbing LI ,  Jiabin WANG ,  Ping ZHANG ,  Likai DENG

    IPC: H01L27/32 ,  H01L51/52

    Abstract: Embodiments of the present disclosure provide an array substrate, a display device and a spatial positioning method of a display device. The display device includes a base substrate, a pixel layer arranged at a side of the base substrate, a light source structure having a same light exit direction as the pixel layer, a processing element. The light source structure to emits collimation invisible light, the pixel layer includes a plurality of sub-pixels and at least one sensing pixel arranged between the sub-pixels, the at least one sensing pixel receives reflected light of the collimation invisible light emitted by the light source structure and reflected by an object to be positioned, the processing element is coupled with the sensing pixel and the light source structure, a distance from the object to the display device is calculated according to relevant data information of the collimation invisible light and the reflected light.

    TEXTURE RECOGNITION DEVICE AND DISPLAY PANEL
    83.
    发明申请
    TEXTURE RECOGNITION DEVICE AND DISPLAY PANEL 审中-公开

    公开(公告)号：US20200173856A1

    公开(公告)日：2020-06-04

    申请号：US16558754

    申请日：2019-09-03

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Xiaoquan HAI ,  Haisheng WANG ,  Jian GAO

    IPC: G01J3/50 ,  G06T7/40 ,  H01L51/50 ,  G09G3/00

    Abstract: A texture recognition device and a self-luminous display panel. The texture recognition device includes a substrate, an optical sensing layer, and a light-blocking structure. The optical sensing layer and the light-blocking structure are stacked on the substrate. The light-blocking structure includes a plurality of light transmission hole groups, at least one of which includes C2 light transmission holes. C is a positive integer. The optical sensing layer includes multiple optical sensing groups. The multiple optical sensing groups corresponds to the multiple light transmission hole groups respectively. An orthogonal projection of one optical sensing group on the substrate completely covers an orthogonal projection of a corresponding light transmission hole group on the substrate, and an orthogonal projection of a center of the optical sensing group on the substrate coincides with an orthogonal projection of a center of the corresponding light transmission hole group on the substrate.

    APPARATUS FOR RECOGNIZING A FINGERPRINT, AND DISPLAY DEVICE
    84.
    发明申请
    APPARATUS FOR RECOGNIZING A FINGERPRINT, AND DISPLAY DEVICE 审中-公开

    公开(公告)号：US20200082146A1

    公开(公告)日：2020-03-12

    申请号：US16424561

    申请日：2019-05-29

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Lei WANG ,  Haisheng WANG ,  Yingming LIU ,  Xiaoliang DING ,  Changfeng LI ,  Xiaoquan HAI

    IPC: G06K9/00 ,  G02B3/04 ,  G02B5/20 ,  G02B3/06

    Abstract: Disclosed are an apparatus for recognizing a fingerprint, a display device, and the apparatus includes: a display panel, light sources, a supporting element, an optically-coupling element, a photo-detecting element on optical paths of the light sources, a processing element; the light sources, the supporting element are on side of a second surface of the display panel; the supporting element supports light sources so that light rays exiting light sources are incident obliquely onto the display panel; the optically-coupling element, the photo-detecting element are on the second surface; the photo-detecting element is on side of the optically-coupling element away from light sources; the optically-coupling element makes light rays emitted from light sources totally reflect in the display panel; the photo-detecting element detects exiting light after light rays exiting the light sources are reflected by the display panel, transmits detected signals to the processing element; the processing element determines a fingerprint pattern.

    LIGHT COLLIMATOR, MANUFACTURING METHOD THEREOF AND OPTICAL FINGERPRINT IDENTIFICATION DEVICE
    85.
    发明申请
    LIGHT COLLIMATOR, MANUFACTURING METHOD THEREOF AND OPTICAL FINGERPRINT IDENTIFICATION DEVICE 审中-公开

    公开(公告)号：US20200026903A1

    公开(公告)日：2020-01-23

    申请号：US16409558

    申请日：2019-05-10

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Xiaoquan HAI ,  Haisheng WANG ,  Lei WANG

    IPC: G06K9/00 ,  G02B5/20 ,  H01L33/50 ,  G02B27/30

    Abstract: The present disclosure relates to a light collimator, a manufacturing method thereof, and an optical fingerprint identification device. The light collimator includes a first filter film area and a plurality of second filter film units distributed in the first filter film area to form a flat film with the first filter film area. The light that the first filter film area allows to pass has a wavelength different from a wavelength of the light that the plurality of second filter film units allows to pass. With the solution of the present disclosure, the present disclosure can overcome existing difficulties in optical collimation structures.

    Fingerprint Recognition Device, Display Substrate and Display Apparatus
    86.
    发明申请
    Fingerprint Recognition Device, Display Substrate and Display Apparatus 审中-公开

    公开(公告)号：US20190294850A1

    公开(公告)日：2019-09-26

    申请号：US16316457

    申请日：2018-03-08

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Xueyou CAO ,  Xue DONG ,  Jing LV ,  Haisheng WANG ,  Xiaoliang DING ,  Yingming LIU ,  Yanling HAN ,  Wei LIU ,  Chunwei WU ,  Pengpeng WANG ,  Ping ZHANG

    IPC: G06K9/00

    Abstract: The present disclosure discloses a fingerprint recognition device, a display substrate and a display apparatus. The fingerprint recognition device includes: at least one fingerprint detection component; at least one fingerprint recognition signal line, the fingerprint detection component outputs a detection current to the fingerprint recognition signal line; at least one noise reduction circuit serially coupled in the fingerprint recognition signal line, the noise reduction circuit being a resistive component; and a fingerprint determination circuit coupled to the fingerprint recognition signal line, configured to determine a morphology of a fingerprint according to a current signal, subjected to a noise reduction by the noise reduction circuit and transmitted by the fingerprint recognition signal line. The fingerprint recognition device can filter out the current generated by coupling the fingerprint recognition signal line with other data lines, the interference with the detection current is reduced, the accuracy of the fingerprint recognition is improved.

    TEXTURE DETECTION DEVICE AND METHOD OF DETECTING A TEXTURE USING THE SAME
    87.
    发明申请
    TEXTURE DETECTION DEVICE AND METHOD OF DETECTING A TEXTURE USING THE SAME 审中-公开

    公开(公告)号：US20190272408A1

    公开(公告)日：2019-09-05

    申请号：US16320348

    申请日：2018-01-30

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Xiaoliang DING ,  Haisheng WANG ,  Chun Wei WU ,  Yingming LIU ,  Rui XU ,  Wei LIU

    IPC: G06K9/00

    Abstract: A method of detecting a texture includes: in each of a plurality of time periods included in a texture detection phase, forming a light-shielding region in a light transmitting hole forming layer, wherein the light-shielding region only includes a part of a plurality of light transmitting holes, and imaging regions of a texture to be detected on a photosensitive sensing layer through the light transmitting hole forming layer do not overlap; in different time periods of the plurality of time periods, positions of parts of the plurality of light transmitting holes included in the light-shielding regions are different; and splicing images of the texture to be detected formed on the photosensitive sensing layer in the plurality of time periods together.

    CURRENT AMPLIFICATION CIRCUITRY AND DRIVING METHOD THEREOF, AND FINGERPRINT DETECTION DEVICE
    89.
    发明申请
    CURRENT AMPLIFICATION CIRCUITRY AND DRIVING METHOD THEREOF, AND FINGERPRINT DETECTION DEVICE 审中-公开

    公开(公告)号：US20190238103A1

    公开(公告)日：2019-08-01

    申请号：US16332246

    申请日：2018-05-31

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Xiaoliang DING ,  Haisheng WANG ,  Yingming LIU ,  Xueyou CAO ,  Ping ZHANG ,  Yanling HAN

    IPC: H03F3/08 ,  G06K9/00

    Abstract: Embodiments of the present disclosure provide a current amplification circuitry and a driving method thereof, and a fingerprint detection device. The current amplification circuitry includes a voltage control circuit, a plurality of first current amplification circuits, and a second current amplification circuit. The voltage control circuit provides a voltage control signal to the plurality of first current amplification circuits. The first current amplification circuit includes a current mirror, and the current mirror is coupled to a voltage input terminal, the voltage control circuit, and a first input terminal of the second current amplification circuit. The first current amplification circuit amplifies a current from the voltage input terminal according to the voltage control signal provided by the voltage control circuit, and provides the amplified current to the second current amplification circuit. The second current amplification circuit is coupled to the voltage input terminal via a second input terminal and amplifies the amplified current.

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