公开(公告)号：US11599196B2

公开(公告)日：2023-03-07

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 ,  H01L33/58 ,  G06F3/043 ,  H01L25/075

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.

公开(公告)号：US11564037B2

公开(公告)日：2023-01-24

申请号：US17241797

申请日：2021-04-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanling Han ,  Yingming Liu ,  Yaqian Ji ,  Xiufeng Li ,  Wenchao Han ,  Lianghao Zhang ,  Peixiao Li ,  Yuzhen Guo ,  Yue Gou ,  Chenyang Zhang ,  Xiaoliang Ding ,  Jing Yu

IPC: H04R3/12 ,  G06F3/147 ,  G06F3/16 ,  G10L25/57 ,  H04R1/02 ,  H04R1/34 ,  H04R1/40

Abstract: The present application provides a display device, a sounding control method and a sounding control device. The display device includes: a display panel including a plurality of display pixel groups, wherein each display pixel group includes at least one pixel unit; a plurality of sounding units arranged in an array at one side of the display panel away from a display screen; and sound transmission channels in spacing regions between adjacent ones of the display pixel groups. Sound produced by the sounding units is output from the display panel through the sound transmission channels, and sound produced by different ones of the sounding units is output through different ones of the sound transmission channels.

公开(公告)号：US11487389B2

公开(公告)日：2022-11-01

申请号：US16642804

申请日：2019-09-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yuzhen Guo ,  Yingming Liu ,  Haisheng Wang ,  Peixiao Li ,  Chenyang Zhang ,  Xiufeng Li ,  Lijun Zhao ,  Yanling Han

IPC: G06F3/044 ,  G06F3/043 ,  H01L41/04 ,  H01L41/047 ,  H01L41/083 ,  H01L41/113 ,  H01L41/27 ,  G06F3/041 ,  G06V40/13 ,  G06V40/12

Abstract: The present disclosure provides a fingerprint recognition module, a driving method thereof, a manufacturing method thereof, and a display device. The fingerprint recognition module includes a receiving electrode layer, a piezoelectric material layer, and a driving electrode layer. The receiving electrode layer includes a plurality of receiving electrodes arranged in an array along a first direction and a second direction. The piezoelectric material layer is disposed on a side of the receiving electrode layer. The driving electrode layer is disposed on a side of the piezoelectric material layer remote from the receiving electrode layer and includes a plurality of driving electrodes arranged along the second direction. Each driving electrode is a strip electrode extending along the first direction, and overlaps with multiple receiving electrodes arranged along the first direction.

公开(公告)号：US11386690B2

公开(公告)日：2022-07-12

申请号：US17280374

申请日：2020-08-21

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiufeng Li ,  Yingming Liu ,  Haisheng Wang ,  Xue Dong ,  Yuzhen Guo ,  Lijun Zhao ,  Chenyang Zhang ,  Yaqian Ji ,  Yanling Han ,  Peixiao Li

IPC: G06V40/13 ,  G06V10/147

Abstract: A fingerprint identification module and a driving method therefor, and a display apparatus. The fingerprint identification module includes a base substrate and a plurality of fingerprint identification regions located on the base substrate, each fingerprint identification region includes a plurality of receiving electrodes, a piezoelectric material layer and a plurality of driving electrodes; and the plurality of receiving electrodes, the piezoelectric material layer and the plurality of driving electrodes form a plurality of ultrasonic sensors. Each fingerprint identification region is correspondingly provided with at least one driving chip, the plurality of driving electrodes in each fingerprint identification region is connected to an output terminal of the at least one driving chip; and the at least one driving chip is configured to apply a driving voltage to the plurality of driving electrodes to driving the plurality of ultrasonic sensors in the corresponding fingerprint identification region to perform fingerprint identification.

公开(公告)号：US11361577B2

公开(公告)日：2022-06-14

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: G06V40/13

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.

公开(公告)号：US20220038821A1

公开(公告)日：2022-02-03

申请号：US17212058

申请日：2021-03-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yaqian Ji ,  Yingming Liu ,  Xiufeng Li ,  Yanling Han ,  Wenchao Han ,  Yue Gou ,  Chenyang Zhang ,  Jing Yu ,  Wei Sun ,  Xiaoliang Ding ,  Yuzhen Guo ,  Peixiao Li

IPC: H04R9/04 ,  H04R9/06 ,  H04R9/02 ,  G09F9/302

Abstract: A display module, a display device and a method of forming a display module are provided. The display module includes: a display sounding structure including a display panel and an auxiliary layer connected to the display panel; an excitation source configured to drive the display panel, the display module further includes a supporting frame, and the display panel is connected to the supporting frame through the auxiliary layer; or an excitation source configured to drive the auxiliary layer to vibrate and sound, the auxiliary layer is a transparent film layer arranged at a light-emitting side of the display panel cooperating with the display panel to form a sounding chamber in an enclosing manner.

公开(公告)号：US11238261B2

公开(公告)日：2022-02-01

申请号：US16914673

申请日：2020-06-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiufeng Li ,  Haisheng Wang ,  Xiaoliang Ding ,  Pengpeng Wang ,  Yuzhen Guo ,  Lijun Zhao ,  Chenyang Zhang ,  Yaqian Ji ,  Yanling Han ,  Peixiao Li

IPC: G06K9/00 ,  G06F3/041 ,  G06F3/044

Abstract: An ultrasonic fingerprint recognition module is described that includes sensing units distributed in the form of array, where the sensing units include: a receiving electrode layer having a plurality of receiving electrodes distributed in the form of array; a piezoelectric material layer disposed on one side of the receiving electrode layer; an emission electrode layer disposed on a side of the piezoelectric material layer distal to the receiving electrode layer, and including a plurality of rows of emission electrodes; a selection circuit having an input terminal which is connected with an excitation signal and an output terminal which is connected with the emission electrode for selecting to transmit the excitation signal to the plurality of emission electrodes; and a pixel receiving circuit connected to the receiving electrode layer that receives a fingerprint signal.

公开(公告)号：US12063493B2

公开(公告)日：2024-08-13

申请号：US17439673

申请日：2021-01-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yaqian Ji ,  Jing Yu ,  Xiufeng Li ,  Yue Gou ,  Yanling Han ,  Peixiao Li ,  Lei Wang

IPC: H04R7/04 ,  H04R1/02

CPC classification number: H04R7/045 ,  H04R1/028 ,  H04R2499/15

Abstract: A display device, including a display panel, a box, a connection frame and a vibration actuator provided on the display panel. The connection frame includes: a frame-shaped member including a first end face and a second end face arranged opposite to each other, the first end face being attached to a top face of the box, a plurality of protrusions being provided on the second end face, a surface of each protrusion away from the first end face forming a support face, and the display panel being fixed on the support face; and a connection member fixedly coupled to the frame-shaped member, and detachably coupled to the box via a fastener.

公开(公告)号：US11850629B2

公开(公告)日：2023-12-26

申请号：US17253659

申请日：2020-05-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Chenyang Zhang ,  Yingming Liu ,  Haisheng Wang ,  Peixiao Li ,  Xiufeng Li ,  Yuzhen Guo ,  Yanling Han ,  Lijun Zhao

IPC: B06B1/06 ,  G01D5/62 ,  G06F3/043

CPC classification number: B06B1/0607 ,  B06B1/067 ,  G01D5/62 ,  G06F3/043 ,  B06B2201/55

Abstract: A piezoelectric sensor assembly, a manufacturing method thereof, a display panel and an electronic device including the same are provided. The piezoelectric sensor assembly includes: a base substrate; a plurality of ultrasonic transducers, wherein a spacing area is provided between two adjacent ultrasonic transducers; and an acoustic matching layer, wherein the acoustic matching layer includes a plurality of acoustic matching areas, and an orthographic projection of at least one acoustic matching area on the base substrate falls into an orthographic projection of the ultrasonic transducer corresponding to the acoustic matching area on the base substrate, wherein an isolation cavity is provided between two adjacent acoustic matching areas.

公开(公告)号：US11503410B2

公开(公告)日：2022-11-15

申请号：US17212058

申请日：2021-03-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yaqian Ji ,  Yingming Liu ,  Xiufeng Li ,  Yanling Han ,  Wenchao Han ,  Yue Gou ,  Chenyang Zhang ,  Jing Yu ,  Wei Sun ,  Xiaoliang Ding ,  Yuzhen Guo ,  Peixiao Li

IPC: H04R9/06 ,  H04R9/04 ,  G09F9/302 ,  H04R9/02 ,  H04R7/04 ,  H04R1/02

Abstract: A display module, a display device and a method of forming a display module are provided. The display module includes: a display sounding structure including a display panel and an auxiliary layer connected to the display panel; an excitation source configured to drive the display panel, the display module further includes a supporting frame, and the display panel is connected to the supporting frame through the auxiliary layer; or an excitation source configured to drive the auxiliary layer to vibrate and sound, the auxiliary layer is a transparent film layer arranged at a light-emitting side of the display panel cooperating with the display panel to form a sounding chamber in an enclosing manner.