公开(公告)号：US20220037585A1

公开(公告)日：2022-02-03

申请号：US17285129

申请日：2020-05-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanling HAN ,  Xue DONG ,  Haisheng WANG ,  Yingming LIU ,  Lijun ZHAO ,  Yuzhen GUO ,  Peixiao LI ,  Yaqian JI ,  Chenyang ZHANG ,  Xiufeng LI

IPC: H01L41/22 ,  H01L41/08 ,  H01L41/187 ,  H01L41/193

Abstract: Embodiments of the present disclosure provide a flexible acoustic-electric substrate and a preparation method thereof, and a flexible acoustic-electric device. The preparation method of a flexible acoustic-electric substrate includes: forming a flexible substrate; forming a plurality of piezoelectric components on the flexible substrate; and forming a plurality of chambers on the flexible substrate in a one-to-one correspondence relationship with the plurality of piezoelectric components, and the plurality of chambers are located on a side of the flexible substrate away from the plurality of piezoelectric components.

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.

公开(公告)号：US20220353613A1

公开(公告)日：2022-11-03

申请号：US17765225

申请日：2021-05-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yanling HAN ,  Yingming LIU ,  Yuzhen GUO ,  Chenyang ZHANG ,  Peixiao LI ,  Xiufeng LI ,  Yaqian JI ,  Yue GOU ,  Wei SUN ,  Wenchao HAN ,  Lianghao ZHANG

IPC: H04R3/12 ,  H04R17/00 ,  H04R1/40 ,  H04R1/02 ,  G06F3/01 ,  H04R29/00

Abstract: The present disclosure provides a sound producing device, a method for driving the sound producing device, a display panel and a display apparatus. The sound producing device includes a recognition element, a directional sound production element and a control element, where the recognition element is connected with the control element and is configured to acquire information relating to a person in a preset range and transmit the acquired information relating to the person to the control element; the control element is connected with the directional sound production element and is configured to acquire a corresponding audio signal according to the acquired information relating to the person and control the directional sound production element to send out a sound wave according to the acquired audio signal.

公开(公告)号：US20220147729A1

公开(公告)日：2022-05-12

申请号：US17489605

申请日：2021-09-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Liang CUI ,  Lei WANG ,  Yangbing LI ,  Yubo WANG ,  Xiufeng LI ,  Yuanyuan MA

IPC: G06K9/00 ,  G06F3/043 ,  G06K9/03

Abstract: The present disclosure provides a fingerprint sensing sub-circuit, a fingerprint sensing circuit, a fingerprint recognition method, a sensor, a touch display panel and a display device. The fingerprint sensing sub-circuit includes an acoustic wave generation circuit and an acoustic wave reception circuit. The acoustic wave generation circuit is configured to generate an ultrasonic wave. The acoustic wave reception circuit is configured to collect a voltage signal, convert the voltage signal into a current signal, and output the current signal to a signal output end. The acoustic wave generation circuit and the acoustic wave reception circuit are separated from each other, so that the fingerprint sensing sub-circuit operates in a mode where a transmitting operation and a receiving operation are separated from each other.

公开(公告)号：US20220103940A1

公开(公告)日：2022-03-31

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 ,  H04R1/40 ,  H04R1/02 ,  H04R1/34 ,  G10L25/57

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：US20210305487A1

公开(公告)日：2021-09-30

申请号：US17264912

申请日：2020-05-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiufeng LI ,  Yingming LIU ,  Yuzhen GUO ,  Chenyang ZHANG

IPC: H01L41/113 ,  H01L41/047 ,  H01L41/08 ,  H01L41/27 ,  G06K9/00

Abstract: A piezoelectric sensor and a manufacturing method thereof, a method for recognizing a fingerprint, and an electronic device are disclosed. The piezoelectric sensor includes a first electrode layer and a second electrode layer which are opposite to each other and a piezoelectric layer. The piezoelectric layer is between the first electrode layer and the second electrode layer and includes a plurality of piezoelectric units arranged at intervals and an insulation layer between adjacent piezoelectric units of the plurality of piezoelectric units. The first electrode layer includes a plurality of sub-electrodes corresponding to the plurality of piezoelectric units, or the second electrode layer includes a plurality of sub-electrodes corresponding to the plurality of piezoelectric units; or both the first electrode layer and the second electrode layer include a plurality of sub-electrodes corresponding to the plurality of piezoelectric units.

公开(公告)号：US20210165524A1

公开(公告)日：2021-06-03

申请号：US17265802

申请日：2020-07-02

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yingming LIU ,  Haisheng WANG ,  Xiaoliang DING ,  Lei WANG ,  Pengpeng WANG ,  Changfeng LI ,  Xiufeng LI ,  Chenyang ZHANG ,  Tianqi WANG

IPC: G06F3/043 ,  B06B1/02 ,  B06B1/06

Abstract: An ultrasonic induction circuit is provided, a first electrode of an ultrasonic sensor is electrically connected with a first terminal of the ultrasonic sensing circuit, a second electrode is electrically connected with a second terminal of a first potential supply sub-circuit, and the first terminal of the first potential supply sub-circuit is electrically connected with a first potential supply end. A gate of M1 is electrically connected with the second electrode and the second terminal of the compensation sub-circuit. The second electrode is electrically connected with the first terminal of the compensation sub-circuit. The first electrode is coupled to the second potential supply end. The first terminal of the signal output sub-circuit is electrically connected to the second electrode of the first transistor, and the second terminal is electrically connected to the second terminal of the ultrasonic induction circuit.

公开(公告)号：US20210156977A1

公开(公告)日：2021-05-27

申请号：US16832786

申请日：2020-03-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiufeng LI ,  Yingming LIU ,  Haisheng WANG ,  Xiaoliang DING ,  Pengpeng WANG ,  Yuzhen GUO ,  Lijun ZHAO ,  Chenyang ZHANG ,  Yaqian JI ,  Yanling HAN ,  Peixiao LI

IPC: G01S7/52 ,  B06B1/06 ,  H01L41/047 ,  H01L41/113 ,  H01L41/18 ,  B06B1/02

Abstract: An ultrasonic sensing module, an ultrasonic sensing device and a control method thereof, and a display device. The ultrasonic sensing module includes a first electrode layer, a piezoelectric layer, a receiving electrode layer and an emission electrode layer. The first electrode layer is on a first side of the piezoelectric layer; the receiving electrode layer and the emission electrode layer insulated from the receiving electrode layer are on a second side of the piezoelectric layer; and the second side is opposite to the first side.

公开(公告)号：US20200242316A1

公开(公告)日：2020-07-30

申请号：US16575716

申请日：2019-09-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yingming LIU ,  Haisheng WANG ,  Xiaoliang DING ,  Pengpeng WANG ,  Xiufeng LI ,  Chenyang ZHANG ,  Peixiao LI

IPC: G06K9/00 ,  G06F3/01 ,  H01L41/18

Abstract: A fingerprint identification module, a manufacturing method thereof, a driving method thereof, and a display device are disclosed. The fingerprint identification module includes: a plurality of ultrasonic wave receiving sensors, configured to receive an ultrasonic wave; and at least one ultrasonic wave emission sensor, configured to emit an ultrasonic wave, each of the plurality of ultrasonic wave receiving sensors includes a first piezoelectric material layer, each of the at least one ultrasonic wave emission sensor includes a second piezoelectric material layer, and a material of the first piezoelectric material layer is different from a material of the second piezoelectric material layer.

公开(公告)号：US20230005290A1

公开(公告)日：2023-01-05

申请号：US17781066

申请日：2021-05-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yingming LIU ,  Xiaoliang DING ,  Xiufeng LI ,  Lei WANG ,  Yingzi WANG

IPC: G06V40/13 ,  B06B1/02 ,  B06B1/06

Abstract: Disclosed are a fingerprint identification structure, a driving method thereof and an electronic device. The fingerprint identification structure includes: a driving electrode layer; a piezoelectric material layer; a receiving electrode layer, which includes M receiving electrodes; an auxiliary driving electrode layer, which is located at the side of the piezoelectric material layer away from the receiving electrode layer, and is arranged in a layer different from the driving electrode layer; and a first insulating layer, the auxiliary driving electrode layer includes N auxiliary driving electrodes; the N driving electrodes and the N auxiliary driving electrodes are alternately arranged; and the orthographic projection, on the piezoelectric material layer, of an i-th auxiliary driving electrode overlaps with an interval between the orthographic projections, on the piezoelectric material layer, of an i-th driving electrode and an (i+1)-th driving electrode.