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公开(公告)号：US20230053804A1
公开(公告)日：2023-02-23
申请号：US17041109
申请日：2020-04-08
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yingming LIU , Haisheng WANG , Xiaoliang DING , Lei WANG , Peixiao LI
Abstract: The display panel comprises: a display substrate and a touch detection device; wherein the touch detection device comprises: a touch substrate located on a side of the display substrate away from a display surface, and a plurality of ultrasonic detection units located on a side of the touch substrate away from the display substrate; the ultrasonic detection unit comprises: a first electrode located on a side of the touch substrate away from the display substrate, a plurality of second electrodes between the touch substrate and the first electrode, and a piezoelectric induction layer between the first electrode and the second electrodes; in a fingerprint recognition stage, at least a part of the ultrasonic detection units in a fingerprint recognition area are used as an ultrasonic-generating source, and the second electrodes in at least a part of the ultrasonic detection units in the fingerprint recognition area respectively output fingerprint recognition signals.
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公开(公告)号：US20220386019A1
公开(公告)日：2022-12-01
申请号：US17765200
申请日：2021-05-20
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yaqian JI , Xue DONG , Wei SUN , Yingming LIU , Wenchao HAN , Xiaoliang DING , Xiufeng LI , Yanling HAN , Lianghao ZHANG , Chenyang ZHANG , Yuzhen GUO , Peixiao LI , Yue GOU
Abstract: The present disclosure provides a display panel, a fabricating method and a control method thereof and a display device. Display panel includes a display assembly and sound generation assemblies. Display assembly includes a display assembly substrate and pixel components disposed on a side of display assembly substrate. Each sound generation assembly includes a vibrating membrane, an exciter, and a support structure. Support structure is disposed on a side of vibrating membrane and has a cavity. Exciter includes a motion part in contact with vibrating membrane and a drive part disposed in cavity. Drive part drives motion part to vibrate, and motion part vibrates to drive vibrating membrane to vibrate. Display assembly substrate and vibrating membrane are the same structure, and pixel components are disposed on a side of vibrating membrane facing away from support structure. Display device includes the display panel above.
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公开(公告)号：US20220382088A1
公开(公告)日：2022-12-01
申请号：US17772279
申请日：2021-06-17
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ping ZHANG , Xiaoliang DING , Changfeng LI , Yingzi WANG
IPC: G02F1/1333 , G06F3/041 , G06V40/13
Abstract: A driving method and a driving device of a display panel and a display apparatus are provided. The driving method includes: loading, within a fingerprint recognition phase (t), a plurality of operating signals to a plurality of operating signal leads (20) connected to a gate driving circuit (200), each operating signal (VGH_G) including first level signals and second level signals which are loaded alternately, and a time that the operating signal (VGH_G) switches between the first level signal and the second level signal being a switching time; and loading, within the fingerprint recognition phase (t), a plurality of fingerprint pulse signals to a plurality of fingerprint scanning leads (30), respectively, and for any fingerprint scanning lead (30), a time when the fingerprint scanning lead is loaded with a fingerprint pulse signal and is in an active level state does not overlap with the switching time.
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公开(公告)号：US20220037429A1
公开(公告)日：2022-02-03
申请号：US17278720
申请日：2020-05-26
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Likai DENG , Ping ZHANG , Xiaoliang DING , Pengpeng WANG
Abstract: The present disclosure provides an array substrate and a display device. The array substrate includes a substrate, a pixel unit and a measurement unit on the substrate, and a compensation element. The measurement unit includes: a photosensitive device configured to detect a luminous intensity of the pixel unit; a thermosensitive device configured to measure an operating temperature of the photosensitive device; and a light source device configured to provide light to the thermosensitive device. An orthographic projection of the light source device on the substrate is within an orthographic projection of the thermosensitive device on the substrate. The compensation element is configured to compensate the luminous intensity of the pixel unit according to the luminous intensity of the pixel unit detected by the photosensitive device and the operating temperature of the photosensitive device measured by the thermosensitive device.
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公开(公告)号：US20220019756A1
公开(公告)日：2022-01-20
申请号：US17205050
申请日：2021-03-18
Applicant: BOE Technology Group Co., Ltd.
Inventor： Lei WANG , Xiaoliang DING , Yunke QIN , Lei ZHANG , Xiaoquan HAI , Mingdong WANG
IPC: G06K9/00 , H01L27/32 , H01L27/146
Abstract: The present disclosure provides a display apparatus and a method for manufacturing the same. The display apparatus includes: a self-luminous display module, a fingerprint identification module below the self-luminous display module, at least two light shield layers between the self-luminous display module and the fingerprint identification module, and a planarization layer correspondingly arranged on one side, facing the self-luminous display module, of each light shield layer. Each light shield layer includes a plurality of mutually-independent openings; openings of one of the at least two light shield layers and openings of another of the at least two light shield layers overlap in a direction perpendicular to the fingerprint identification module; the planarization layer between two adjacent light shield layers includes a groove; and the groove and the openings do not overlap in the direction perpendicular to the fingerprint identification module, and a light blocking part is arranged in the groove.
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Patent Agency Ranking
公开(公告)号：US20220012452A1
公开(公告)日：2022-01-13
申请号：US16478632
申请日：2018-10-22
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Changfeng LI , Haisheng WANG , Yingming LIU , Xiaoliang DING , Rui XU , Yunke QIN , Yuzhen GUO , Pengcheng LU
Abstract: A fingerprint identification method, a fingerprint identification device, a display panel and a readable storage medium are provided. The fingerprint identification method includes: controlling at least one first light emitting unit in a first light emitting array to emit light; receiving, at a plurality of first positions in the first light emitting array, reflected signals caused by the light of the at least one first light emitting unit, respectively, as a plurality of first reflected light signals; and performing a fingerprint identification based on distances between the plurality of first positions in the first light emitting array and the at least one first light emitting unit and the plurality of first reflected light signals.
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公开(公告)号：US20210406506A1
公开(公告)日：2021-12-30
申请号：US16767932
申请日：2019-06-12
Inventor： Jiabin WANG , Xiaoliang DING , Xueyou CAO , Wenjuan WANG , Jing LIU , Yichi ZHANG , Haisheng WANG , Lei WANG , Yingming LIU , Yingzi WANG
Abstract: A texture image acquisition method, a texture image acquisition circuit and a display panel are provided. The texture image acquisition circuit includes a photosensitive circuit, the texture image acquisition method includes: allowing the photosensitive circuit to receive light from a texture, and obtaining a first curve based on a signal amount accumulated by the photosensitive circuit within a first integral time period, the first curve being a time-varying curve of a residual signal amount which is a signal amount remaining after a signal amount, left over by the photosensitive circuit before the first integral time period, is released over time; obtaining a first acquisition value based on a signal amount accumulated by the photosensitive circuit within a second integral time period which is after the first integral time period; obtaining a first photosensitive signal of an image of the texture based on the first curve and the first acquisition value.
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58.发明申请公开(公告)号：US20210385360A1
公开(公告)日：2021-12-09
申请号：US17280366
申请日：2020-07-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pengpeng WANG , Haisheng WANG , Xiaoliang DING , Yangbing LI , Xueyou CAO , Ping ZHANG , Likai DENG , Yubo WANG
Abstract: A display panel includes a display layer, a photosensitive layer and an infrared mask. The display layer is configured to display an image, the display layer has light-transmitting portions, and the light-transmitting portions are configured to transmit infrared light. The photosensitive layer is disposed on a side of the display layer. The infrared mask is disposed on a side of the photosensitive layer proximate to the display layer, the infrared mask has hollowed-out regions, the hollowed-out regions are configured to make the infrared mask have a preset pattern, and a region in the infrared mask except the hollowed-out regions is configured to prevent transmission of the infrared light. The photosensitive layer is configured to receive infrared light passing though the hollowed-out regions and the light-transmitting portions, and convert the infrared light into an image signal.
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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：US20210339254A1
公开(公告)日：2021-11-04
申请号：US16475093
申请日：2018-12-26
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pengpeng WANG , Haisheng WANG , Xiaoliang DING , Yanling HAN , Ping ZHANG , Xueyou CAO , Chihjen CHENG , Jiabin WANG , Yangbing LI
Abstract: A microfluidic circuit includes a detection capacitor, having a first terminal and a second terminal that are spaced apart from one another to thereby form a space therebetween. The circuit is configured to detect a droplet present in the space by detecting a change of a capacitance value of the detection capacitor caused by a change of a dielectric constant between the first terminal and the second terminal, and to drive a formation of an electrical field formed using at least one of the first terminal and the second terminal of the detection capacitor to thereby drive the droplet to move in the electrical field.
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