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    Display Substrate, Preparation Method thereof, and Display Apparatus
    11.
    发明申请
    Display Substrate, Preparation Method thereof, and Display Apparatus 有权

    公开(公告)号：US20220147146A1

    公开(公告)日：2022-05-12

    申请号：US17489968

    申请日：2021-09-30

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Yanling HAN ,  Jing YU ,  Yue GOU ,  Peixiao LI ,  Yaqian JI ,  Xiufeng LI ,  Lei WANG

    IPC: G06F3/01 ,  B06B1/02 ,  H01L25/075 ,  H01L33/58 ,  G06F3/043

    Abstract: Provided are a display substrate, a preparation method thereof, and a display apparatus. The display substrate includes a substrate, an array structure layer disposed on the substrate, a plurality of emitting units and a plurality of ultrasonic transducers disposed at intervals on a side of the array structure layer away from the substrate, wherein the ultrasonic transducers are disposed between adjacent emitting units, and the array structure layer includes a transducer drive circuit connected to the ultrasonic transducer, and the transducer drive circuit is configured to control the ultrasonic transducer to transmit ultrasonic waves and receive voltage signals generated by the ultrasonic transducer receiving echoes.

    AMPLIFYING CIRCUIT AND RECTIFYING ANTENNA
    14.
    发明申请
    AMPLIFYING CIRCUIT AND RECTIFYING ANTENNA 有权

    公开(公告)号：US20210359656A1

    公开(公告)日：2021-11-18

    申请号：US16607828

    申请日：2018-11-29

    Applicant: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Tien Lun TING ,  Xiangzhong KONG ,  Lei WANG ,  Ken WEN

    IPC: H03F3/45 ,  H03F1/26 ,  H01Q1/24 ,  H03F3/195

    Abstract: An amplifying circuit and a rectifying antenna are provided. The amplifying circuit includes: a first rectifying circuit, configured to output a first direct current signal according to a first alternating current signal; a second rectifying circuit, configured to output a second direct current signal according to a second alternating current signal; a differential amplifying circuit, configured to receive the first direct current signal and the second direct current signal, amplify a difference between the first direct current signal and the second direct current signal, and output an amplified difference between the first direction current signal and the second direct current, the first direct current signal and the second direct current signal have directions opposite to each other.

    DISPLAY DRIVING CIRCUIT, DISPLAY DRIVING METHOD AND DISPLAY DEVICE
    15.
    发明申请
    DISPLAY DRIVING CIRCUIT, DISPLAY DRIVING METHOD AND DISPLAY DEVICE 有权

    公开(公告)号：US20210335215A1

    公开(公告)日：2021-10-28

    申请号：US16611742

    申请日：2019-03-22

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Dongni LIU ,  Lei WANG ,  Minghua XUAN ,  Xiaochuan CHEN ,  Shengji YANG ,  Liang CHEN ,  Li XIAO ,  Zheng FANG ,  Detao ZHAO ,  Pengcheng LU

    IPC: G09G3/32

    Abstract: A display driving circuit includes N levels of display driving sub-circuits and N levels of switching sub-circuits. Each display driving sub-circuit is connected to a corresponding switching sub-circuit. An nth-level display driving sub-circuit includes an nth-level gate driving sub-circuit and an nth-level light-emitting control sub-circuit. An nth-level switching sub-circuit includes an nth-level gate driving switching sub-circuit and an nth-level light-emitting control switching sub-circuit. The nth-level gate driving switching sub-circuit is configured to enable an nth-level gate driving signal output end to be electrically connected to a (2n−1)th gate line or a 2nth gate line. The nth-level light-emitting control switching sub-circuit is configured to enable an nth-level light-emitting control signal output end to be electrically connected to a (2n−1)th light-emitting control line or a 2nth light-emitting control line, where N is an integer greater than 1, and n is a positive integer smaller than or equal to N.

    TEXTURE RECOGNITION DEVICE AND OPERATION METHOD OF TEXTURE RECOGNITION DEVICE
    16.
    发明申请
    TEXTURE RECOGNITION DEVICE AND OPERATION METHOD OF TEXTURE RECOGNITION DEVICE 有权

    公开(公告)号：US20210248349A1

    公开(公告)日：2021-08-12

    申请号：US16648628

    申请日：2019-09-30

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Haisheng WANG ,  Xue DONG ,  Yingming LIU ,  Xiaoliang DING ,  Lei WANG ,  Changfeng LI ,  Yapeng LI

    IPC: G06K9/00 ,  G06K9/20

    Abstract: A texture recognition device and an operation method of 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 is at a side of the light source array and includes a plurality of image sensors, and the plurality of image sensors are configured to receive light emitted from the plurality of light sources and reflected to the image sensors by a texture for a texture image collection; each of the image sensors includes a plurality of signal switches, and a signal of each of the image sensors is read through the plurality of signal switches for forming one image pixel of the texture image.

    ARRAY SUBSTRATE AND MICRO TOTAL ANALYSIS DEVICE
    18.
    发明申请
    ARRAY SUBSTRATE AND MICRO TOTAL ANALYSIS DEVICE 有权

    公开(公告)号：US20210215596A1

    公开(公告)日：2021-07-15

    申请号：US16766774

    申请日：2019-12-11

    Applicant: BOE Technology Group Co., Ltd

    Inventor： Yingming LIU ,  Xue DONG ,  Haisheng WANG ,  Xiaochuan CHEN ,  Xiaoliang DING ,  Lei WANG ,  Changfeng LI ,  Pinchao GU ,  Ping ZHANG ,  Xueyou CAO

    IPC: G01N21/25 ,  H01L27/12 ,  G01N21/27

    Abstract: The present disclosure discloses an array substrate and a micro total analysis device. The array substrate includes: a substrate, a plurality of pixel regions arranged on the substrate and defined by the intersection of a plurality of data lines and a plurality of gate lines, and a plurality of drive transistors arranged in the plurality of pixel regions respectively; each drive transistor includes first active layer pattern, a first extension direction of the first active layer pattern forms a first preset angle with a gate line, and in a first preset angle direction, the first active layer pattern spans a pixel region in an inclined manner; and source and drain electrodes of the each drive transistor are coupled with the active layer pattern in the first preset angle direction.

    DRIVE METHOD FOR TEXTURE RECOGNITION DEVICE AND TEXTURE RECOGNITION DEVICE
    19.
    发明申请
    DRIVE METHOD FOR TEXTURE RECOGNITION DEVICE AND TEXTURE RECOGNITION DEVICE 有权

    公开(公告)号：US20210201063A1

    公开(公告)日：2021-07-01

    申请号：US16765936

    申请日：2019-11-28

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Haisheng WANG ,  Xue DONG ,  Yingming LIU ,  Xiaoliang DING ,  Lei WANG ,  Changfeng LI ,  Yapeng LI

    IPC: G06K9/20 ,  G06K9/00

    Abstract: A drive method for a texture recognition device and a texture recognition device. The texture recognition device includes a light source array and an image sensor array. The image sensor array includes a plurality of image sensors, the plurality of image sensors are configured to receive light emitted from the plurality of sub-light sources and then reflected by a texture to the plurality of image sensors for a texture collection; the drive method includes: at a first moment, the light source array operating to provide a first photosensitive light source, and at the first moment or a second moment different from the first moment, the light source array operating to provide a second photosensitive light source. A first imaging range of the first photosensitive light source on the image sensor array partially overlaps a second imaging range of the second photosensitive light source on the image sensor array.

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