公开(公告)号：US20230087503A1

公开(公告)日：2023-03-23

申请号：US16957219

申请日：2019-09-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yingming Liu ,  Haisheng Wang ,  Yanling Han ,  Yuzhen Guo ,  Lijun Zhao

IPC: G06V40/13 ,  B06B1/06

Abstract: An ultrasonic fingerprint sensor apparatus is provided. The ultrasonic fingerprint sensor apparatus includes an array of a plurality of ultrasonic sensors on a base substrate. A respective one of the plurality of ultrasonic sensors includes a first electrode, a second electrode, and a piezoelectric layer between the first electrode and the second electrode. The ultrasonic fingerprint sensor apparatus further includes a plurality of bias lines respectively electrically connected to a plurality of columns of ultrasonic sensors in the array of the plurality of ultrasonic sensors. The ultrasonic fingerprint sensor apparatus further includes a polarization electrode; a first lead line electrically connected to the polarization electrode; and a second lead line electrically connected to the plurality of bias lines. The first lead line and the second lead line are in a peripheral region of the ultrasonic fingerprint sensor apparatus.

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：US11341883B2

公开(公告)日：2022-05-24

申请号：US16316188

申请日：2018-01-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanan Jia ,  Xue Dong ,  Jing Lv ,  Haisheng Wang ,  Chun Wei Wu ,  Yingming Liu ,  Xueyou Cao ,  Rui Xu ,  Changfeng Li ,  Lijun Zhao ,  Yanling Han ,  Yuzhen Guo ,  Pinchao Gu ,  Yunke Qin

IPC: G09G5/00 ,  G09G3/20 ,  C09K19/26

Abstract: Disclosed are a display device and a method for adjusting its display brightness. The display device includes a display screen and an ambient light sensor in the display screen, wherein the ambient light sensor includes a photodeformable element, and the photodeformable element includes a photodeformable material layer; and the photodeformable element is configured to deform in response to a change in ambient light to obtain output of the ambient light sensor. The ambient light sensor has a simple structure and is easy to be made and to be combined with the display screen.

公开(公告)号：US11328148B2

公开(公告)日：2022-05-10

申请号：US16304177

申请日：2018-01-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengpeng Wang ,  Xue Dong ,  Haisheng Wang ,  Xiaoliang Ding ,  Chihjen Cheng ,  Yanling Han ,  Wei Liu ,  Xueyou Cao ,  Rui Xu ,  Yuzhen Guo ,  Ping Zhang

IPC: G06K9/00 ,  G06F3/044 ,  G06F3/041 ,  H01L27/32

Abstract: The present disclosure provides a touch panel, a fingerprint recognition method thereof, a method for manufacturing a touch panel and a display device. The touch panel includes multiple driving electrode groups and multiple, sensing electrodes which are intersected with and insulated from each other, each of the driving electrode groups comprises a plurality of driving electrodes, each driving electrodes is coupled to a scanning line, and the method includes: a first scanning step of performing a first scanning on each of the driving electrode groups by using scanning lines to detect a sensing signal generated by a sensing electrode being touched; a determining step of determining a driving electrode group being touched according to the detected sensing signal; a second scanning step of sequentially performing a second scanning on the driving electrodes in the determined driving electrode group being touched to obtain a valley or a ridge of a fingerprint.

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

IPC: G06K9/00 ,  G06K9/20

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：US11086158B2

公开(公告)日：2021-08-10

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 ,  G02F1/1368 ,  G06F3/01 ,  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.

公开(公告)号：US10949031B2

公开(公告)日：2021-03-16

申请号：US16200711

申请日：2018-11-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yuzhen Guo ,  Xue Dong ,  Haisheng Wang ,  Chunwei Wu ,  Yingming Liu ,  Changfeng Li ,  Yanan Jia ,  Lijun Zhao ,  Yunke Qin ,  Pinchao Gu ,  Rui Xu

IPC: G06F3/043 ,  B06B1/06 ,  H01L41/113 ,  G06F3/041 ,  H01L41/047 ,  G06K9/00

Abstract: The disclosure provides a touch display substrate and a touch display device. The touch display substrate includes: a substrate; a plurality of ultrasonic sensors disposed on the substrate; and one ultrasonic generator disposed on the substrate. The ultrasonic generator has a plurality of openings, and at least one of the plurality of ultrasonic sensors is disposed in at least one of the openings.

公开(公告)号：US10747354B2

公开(公告)日：2020-08-18

申请号：US16184259

申请日：2018-11-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chihjen Cheng ,  Xueyou Cao ,  Pengpeng Wang ,  Xiaoliang Ding ,  Yuzhen Guo

IPC: G06F3/041 ,  H01L41/047 ,  H01L41/04 ,  H01L41/113

Abstract: The present disclosure provides a piezoelectric detection circuit, an array, a pressure detection device and a method. The piezoelectric detection circuit comprises a constant current circuit, a dual-gate transistor, and a transmission circuit. The dual-gate transistor comprises a first gate, a second gate, a first electrode, and a second electrode. The first gate is configured to receive a first voltage signal. The second gate is configured to receive a bias voltage and a pressure. The first electrode is electrically connected to a first voltage terminal. The second electrode is configured to receive a constant current. The transmission circuit is configured to output a second voltage signal from the second electrode. A magnitude of the pressure is obtained according to an amplitude of the second voltage signal.

公开(公告)号：US10725347B2

公开(公告)日：2020-07-28

申请号：US16135431

申请日：2018-09-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yunke Qin ,  Xue Dong ,  Haisheng Wang ,  Yingming Liu ,  Lijun Zhao ,  Rui Xu ,  Yuzhen Guo ,  Pinchao Gu ,  Ping Zhang ,  Yanan Jia ,  Changfeng Li

IPC: G06F3/042 ,  G02F1/1343 ,  G02F1/1339 ,  G02F1/1335 ,  H04N13/207 ,  H04N13/106 ,  H01L27/12 ,  G02F1/13357 ,  G02F1/1337 ,  H04N13/30 ,  H04N13/254 ,  H01L27/146

Abstract: Embodiments of the present disclosure provide an array substrate and a display device. The array substrate includes a three-dimensional imaging device configured to acquire three-dimensional imaging information of a target object; and a processing circuit connected to the three-dimensional imaging device and configured to receive three-dimensional imaging information from the three-dimensional imaging device and generate a three-dimensional image of the target object based on the three-dimensional imaging information.

公开(公告)号：US10705641B2

公开(公告)日：2020-07-07

申请号：US15982261

申请日：2018-05-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yingming Liu ,  Xue Dong ,  Haisheng Wang ,  Xiaoliang Ding ,  Rui Xu ,  Changfeng Li ,  Liguang Deng ,  Yuzhen Guo

IPC: G06F3/041 ,  G06K9/00 ,  H01L29/417 ,  G09G3/20 ,  G06F3/042

Abstract: The present application discloses a sensing panel, and a display device and a driving method thereof. The sensing includes a base substrate; a plurality of photosensitive units arranged in an array on the base substrate; and a plurality of pressure-sensitive units arranged in an array on the base substrate. The photosensitive units and the pressure-sensitive units are integrated in a same sensing panel, and are stacked and share a fixed-potential electrode. As such, after loading a fixed potential to the fixed-potential electrode, the pressure detection and the touch detection can be achieved simultaneously with the same sensing panel.