-
公开(公告)号：US20230095588A1
公开(公告)日：2023-03-30
申请号：US16970928
申请日：2019-11-14
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yingming Liu , Haisheng Wang , Xiaoliang Ding , Pengpeng Wang , Xiufeng Li , Chenyang Zhang
Abstract: An ultrasonic fingerprint sensor apparatus is provided. The ultrasonic fingerprint sensor apparatus includes a base substrate; a first electrode layer on the base substrate, and including an array of a plurality of first electrodes spaced apart from each other by an inter-electrode region; a piezoelectric layer on a side of the first electrode layer away from the base substrate; a second electrode layer on a side of the piezoelectric layer away from the base substrate, and including one or more second electrodes; and a first reference electrode layer configured to provide a first reference voltage. An orthographic projection of the first electrode layer on the base substrate is substantially non-overlapping with an orthographic projection of the second electrode layer on the base substrate. The first electrode layer and the first reference electrode layer are between the base substrate and the piezoelectric layer.
-
2.发明授权公开(公告)号：US11579274B2
公开(公告)日：2023-02-14
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 , B06B1/02 , H01L41/113 , H01L41/047 , H01L41/18
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：US11537241B2
公开(公告)日：2022-12-27
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
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：US20220036027A1
公开(公告)日：2022-02-03
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
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：US12016249B2
公开(公告)日：2024-06-18
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
CPC classification number: H10N30/302 , G06V40/1306 , H10N30/05 , H10N30/10516 , H10N30/871
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.
-
Patent Agency Ranking
公开(公告)号：US11908224B2
公开(公告)日：2024-02-20
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
CPC classification number: G06V40/1306 , B06B1/0207 , B06B1/0692
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.
-
7.发明授权公开(公告)号：US11902761B2
公开(公告)日：2024-02-13
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
CPC classification number: H04R3/12 , G06F3/011 , H04R1/028 , H04R1/403 , H04R17/00 , H04R29/002 , H04R2201/028 , H04R2201/401 , H04R2499/15
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.
-
8.发明授权公开(公告)号：US11762509B2
公开(公告)日：2023-09-19
申请号：US17764848
申请日：2021-04-14
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yaqian Ji , Yuzhen Guo , Yingming Liu , Yanling Han , Chenyang Zhang , Xiufeng Li , Peixiao Li , Yue Gou
CPC classification number: G06F3/043 , G06F3/0412 , G06V40/1306 , G06F2203/04103
Abstract: An ultrasonic pattern recognition assembly comprising: a substrate; a receiving member comprising at least one receiving electrode disposed on the substrate; a piezoelectric layer disposed on the substrate and covering the receiving member; a seed member comprising at least one seed block disposed on at least a portion of the piezoelectric layer; an insulating member disposed on the seed member and having at least one exposed portion, the at least one exposed portion exposing a portion of a surface of the seed member; and a transmitting member comprising at least one transmitting electrode disposed on the seed member, the at least one transmitting electrode extending from a surface of the seed member exposed by the exposed portion in a direction away from the substrate. A display device and a method of fabricating an ultrasonic pattern recognition assembly are also disclosed.
-
公开(公告)号：US11527095B2
公开(公告)日：2022-12-13
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
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.
-
10.发明申请公开(公告)号：US20220343669A1
公开(公告)日：2022-10-27
申请号：US17422242
申请日：2020-09-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Liang Cui , Lei Wang , Yangbing Li , Yubo Wang , Xiufeng Li , Yuanyuan Ma
Abstract: A method for identifying a fingerprint, includes: performing a plurality of signal load operations on a plurality of transmit electrodes; in response to performing the signal load operations on the transmit electrodes, acquiring a fingerprint signal by a target electrode of the receive electrodes; and identifying a fingerprint based on acquired fingerprint signals.
-
-
-
-
-
-
-
-
-
Search Results
34
records
(took 0.019 seconds)
