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公开(公告)号：US20210357616A1
公开(公告)日：2021-11-18
申请号：US16327939
申请日：2018-08-14
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pinchao GU , Xue DONG , Haisheng WANG , Yingming LIU , Rui XU , Changfeng LI , Yuzhen GUO , Lijun ZHAO , Yanan JIA , Yunke QIN
Abstract: An optical structure, a display substrate and a display device are provided. The optical structure includes a first medium layer being transparent and an opaque layer which is arranged on the first medium layer and includes a plurality of vias. The optical structure is configured to allow light rays passing through each of the plurality of via to project to a corresponding light ray receiving area respectively.
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公开(公告)号：US20210350750A1
公开(公告)日：2021-11-11
申请号：US16338762
申请日：2018-10-17
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiaoliang DING , Xue DONG , Haisheng WANG , Yingming LIU , Changfeng LI , Wei LIU
IPC: G09G3/3266
Abstract: The present disclosure provides a pixel circuit, a method for driving the pixel circuit and a display device. A driving module of the pixel unit circuit includes a pixel compensation unit configured to transmit a read-control signal to the corresponding row of read-control line and transmit a gate drive-control signal to the gate drive circuit. The gate drive circuit is configured to, based on the gate drive-control signal, generate a plurality of gate drive signals, thereby controlling the rows of gate lines to be turned off in a reading period. One gate drive signal is corresponding to one row of gate line.
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公开(公告)号：US20210303814A1
公开(公告)日：2021-09-30
申请号：US17264328
申请日：2020-06-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yingming LIU , Haisheng WANG , Xiaoliang DING , Lei WANG , Pengpeng WANG , Changfeng LI
IPC: G06K9/00
Abstract: A fingerprint identification device, a driving method thereof, and a display device are disclosed. The fingerprint identification device includes: a receiving electrode layer, a piezoelectric material layer, and a drive electrode layer. The piezoelectric material layer is between the receiving electrode layer and the drive electrode layer, the piezoelectric material layer is configured to emit ultrasonic waves under an excitation of at least a drive voltage, and is further configured to convert ultrasonic waves, which are emitted by the piezoelectric material layer and reflected by a fingerprint to be detected, into electrical signals; the drive electrode layer is configured to receive the drive voltage and a first fixed voltage simultaneously, and the receiving electrode layer is configured to output the electrical signals while receiving a second fixed voltage; the electrical signals are used for obtaining a fingerprint image.
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74.发明申请公开(公告)号：US20210295004A1
公开(公告)日：2021-09-23
申请号：US17264013
申请日：2020-06-10
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yingming LIU , Xiaochuan CHEN , Haisheng WANG , Xiaoliang DING , Lei WANG , Changfeng LI , Xiufeng LI , Chenyang ZHANG
IPC: G06K9/00
Abstract: Embodiments of the present disclosure provide an ultrasonic fingerprint identification circuit, a driving method thereof, and a fingerprint identification device. The circuit includes a transmitting electrode, a receiving electrode, a piezoelectric layer disposed between the transmitting electrode and the receiving electrode, and a signal output unit, the transmitting electrode is configured to receive an alternating current signal in a transmitting stage; the receiving electrode is connected with the signal output unit. The circuit further includes a photosensitive unit, with an anode connected with the receiving electrode and a cathode connected with a first fixed electric level so that the photosensitive unit is in a reverse bias state.
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公开(公告)号：US20210056905A1
公开(公告)日：2021-02-25
申请号：US16996248
申请日：2020-08-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yingming LIU , Haisheng WANG , Xiaoliang DING , Lei WANG , Pengpeng WANG , Changfeng LI
IPC: G09G3/3258 , H01L27/32 , H01L51/52
Abstract: The present disclosure discloses a pixel driving circuit, a driving method for the pixel driving circuit, a display panel and a display apparatus. The pixel driving circuit for driving a light emitting device includes: a threshold compensation subcircuit, a driving subcircuit and an optical signal detection subcircuit; the threshold compensation subcircuit is coupled to a control electrode of a driving transistor, and a first electrode of the driving transistor is coupled to the light emitting device; the optical signal detection subcircuit is coupled to the threshold compensation subcircuit; and the optical signal detection subcircuit is configured to detect an optical signal which is incident on a region where the optical signal detection subcircuit is located.
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Patent Agency Ranking
公开(公告)号：US20210026178A1
公开(公告)日：2021-01-28
申请号：US16069764
申请日：2017-12-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pengpeng WANG , Xue DONG , Haisheng WANG , Chunwei WU , Xiaoliang DING , Chihjen CHENG , Wei LIU , Yanling HAN , Xueyou CAO , Ping ZHANG , Changfeng LI , Yanan JIA , Yuzhen GUO
IPC: G02F1/1333 , G06F3/01 , G02F1/1368 , H01Q1/24 , H01Q1/52
Abstract: The present disclosure provides an array substrate, comprising a substrate and a display element arranged above the substrate. The array substrate further comprises an antenna structure for transmitting and receiving electromagnetic waves. The antenna structure comprises a signal shielding layer and an antenna patch layer arranged on the substrate. The antenna patch layer and the signal shielding layer are spaced apart through a dielectric layer. The antenna patch layer is beneath the signal shielding layer such that the antenna structure transmits electromagnetic waves towards the bottom of the substrate and receives the electromagnetic waves from the bottom of the substrate. The present disclosure further provides a display panel and a man-machine interactive terminal.
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公开(公告)号：US20200343311A1
公开(公告)日：2020-10-29
申请号：US16080896
申请日：2018-01-08
Applicant: BOE Technology Group Co., Ltd.
Inventor： Changfeng LI , Xue DONG , Haisheng WANG , Yingming LIU , Xiaoliang DING , Rui XU , Pinchao GU , Pengcheng LU
Abstract: The present disclosure relates to the field of display technologies, and provides a touch substrate and a display panel. Specifically, the touch substrate comprises: a pixel array and a light sensing device array arranged oppositely; a light shielding layer between the pixel array and the light sensing device array; and a lens array on a side of the light shielding layer remote from the light sensing device array. The pixel array comprises a plurality of pixel units, each pixel unit comprising a plurality of sub-pixels. The lens array comprises a plurality of lens units. The light sensing device array comprises a plurality of light sensing devices. The light shielding layer is provided with a plurality of via holes.
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公开(公告)号：US20200333906A1
公开(公告)日：2020-10-22
申请号：US15998617
申请日：2017-12-12
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pengcheng LU , Shengji YANG , Xiaochuan CHEN , Minghua XUAN , Lei WANG , Jie FU , Li Xiao , Jian GAO , Changfeng LI
Abstract: An in-cell touch display panel, a manufacturing method thereof, and a display device. The in-cell touch display panel includes a base substrate, a touch electrode, and a touch driver chip. The touch electrode includes a plurality of sub-electrodes that are independent from each other. The display panel further includes a plurality of touch leads that are in one-to-one correspondence with the sub-electrodes. Each of the sub-electrodes is connected to the touch driver chip through a corresponding touch lead. At least one sub-electrode has at least one non-conductive region, and an orthographic projection of the non-conductive region of the sub-electrode and that of the touch lead corresponding to the sub-electrode on the base substrate at least partially overlap.
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公开(公告)号：US20200285826A1
公开(公告)日：2020-09-10
申请号：US15774436
申请日：2017-10-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pinchao GU , Xue DONG , Haisheng WANG , Yingming LIU , Rui XU , Changfeng LI , Yuzhen GUO , Yunke QIN
Abstract: The present disclosure provides a display substrate and a display device. The display substrate of the present disclosure comprises: an array (1) of optical sensing devices; an optical structure (2) disposed above the array (1) of optical sensing devices, wherein the optical structure (2) comprises a plurality of optical units (20) each of which comprises a light shading region (Q1) and a light transmission region (Q2); and a pixel array (3) disposed above the optical structure (2), wherein the pixel array (3) comprises a plurality of pixel units (30) each of which comprises subpixels of different colors.
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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.
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