公开(公告)号：US20220394416A1

公开(公告)日：2022-12-08

申请号：US17762323

申请日：2021-04-15

Applicant: BOE Technology Group Co., Ltd.

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

IPC: H04S7/00

Abstract: A display device and an operation method of the display device are provided in the present disclosure. The display device includes a display screen a sound-generation driving module, and further includes an acoustic scanning module, arranged on a non-display side of the display screen and configured to determine a spatial contour of a space where the display device is located through acoustic scanning; a viewer position detection module, configured to detect viewer coordinates in the space where the display device is located; and a control module, configured to control the sound-generation driving module to generate sound in accordance with the spatial contour and the viewer coordinates.

公开(公告)号：US20210331204A1

公开(公告)日：2021-10-28

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 ,  G06F3/043 ,  G01D5/62

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：US20210260620A1

公开(公告)日：2021-08-26

申请号：US17184709

申请日：2021-02-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: B06B1/02 ,  G01D5/48 ,  B06B1/06

Abstract: The present disclosure provides an ultrasonic sensor, a method for driving the same, and a method for manufacturing the same. The ultrasonic sensor includes a back plate, a sounding structure on the back plate and a backing layer on a side of the sounding structure distal to the back plate; the sounding structure includes a plurality of emitting electrodes, an opposite electrode, a piezoelectric layer and a plurality of signal leads, and the plurality of emitting electrodes and the opposite electrode are respectively arranged on two sides of the piezoelectric layer; and the plurality of emitting electrodes are arranged in an array, and each of the emitting electrodes is individually coupled to one of the signal leads. The ultrasonic sensor may achieve an independent control for each patterned electrode such that the ultrasonic sensor may be used as a point sound source.

公开(公告)号：US20210192167A1

公开(公告)日：2021-06-24

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 ,  G06F3/044 ,  G06F3/041

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：US20210083018A1

公开(公告)日：2021-03-18

申请号：US16633181

申请日：2019-01-04

Applicant: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Weipin HU ,  Qianqian BU ,  Mingxiao JIANG ,  Zhaokun YANG ,  Yalong SU ,  Pingqi ZHANG ,  Chenyang ZHANG ,  Longfei MA ,  Hui ZHANG

IPC: H01L27/32 ,  H01L31/0232 ,  H01L31/153 ,  H01L31/12

Abstract: A display panel and an operation method thereof are disclosed. In the display panel, a first pixel region including a first light-emitting device and a first photosensitive element; a second pixel region including a second light-emitting device and a second photosensitive element. The second light-emitting device is configured to emit a second light ray to the non-display side, and the second photosensitive element is configured to allow the second light ray to be incident therein and detect the second light ray. The first light-emitting device and the second light-emitting device are configured to emit a first light ray to the display side, and the first photosensitive element is configured to allow the first light ray reflected by an external object to be incident therein and detect the reflected first light ray. The second light ray is of a type different from that of the first light ray.

公开(公告)号：US20210019018A1

公开(公告)日：2021-01-21

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: G06F3/043 ,  H01L41/113 ,  H01L41/04 ,  H01L41/047 ,  H01L41/083 ,  H01L41/27 ,  G06K9/00

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：US20200372231A1

公开(公告)日：2020-11-26

申请号：US16639309

申请日：2019-09-17

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yingming LIU ,  Haisheng WANG ,  Xiaoliang DING ,  Xiufeng LI ,  Pengpeng WANG ,  Chenyang ZHANG ,  Yaqian JI ,  Peixiao LI ,  Jing LIU ,  Ruituo WANG ,  Lei CHEN

IPC: G06K9/00 ,  H01L41/18

Abstract: A fingerprint identification module, a manufacturing method and driving method thereof, and a display device. The fingerprint identification module includes: a driving backplate, including a substrate, identification circuits on the substrate, the identification circuits having a first electrode pad, a second electrode pad; acoustic units including: a first electrode; a piezoelectric film layer positioned on the side, close to the driving backplate, of the first electrode; a second electrode positioned on the side, close to the driving backplate, of the piezoelectric film layer; a first lead-out terminal electrically connected with the first electrode; a second lead-out terminal electrically connected with the second electrode; cavities being in one-to-one correspondence to the acoustic units, the cavities positioned between the second electrodes and the substrate, and one side face, away from the substrate, of cavity being defined by at least one side face, close to the substrate, of the second electrode.

公开(公告)号：US20200293736A1

公开(公告)日：2020-09-17

申请号：US16662133

申请日：2019-10-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yingming LIU ,  Xiaochuan CHEN ,  Haisheng WANG ,  Xiaoliang DING ,  Lei WANG ,  Lijun ZHAO ,  Xiufeng LI ,  Chenyang ZHANG

IPC: G06K9/00 ,  H01L41/047 ,  H01L41/053 ,  H01L41/113 ,  H01L27/20 ,  H01L27/32 ,  G06F3/041

Abstract: Disclosed are a fingerprint recognizing device and a display device. The fingerprint recognizing device includes a plurality of ultrasonic sensing elements, each of which includes a first electrode, a piezoelectric layer located on one side of the first electrode, and a second electrode located on the side of the piezoelectric layer away from the first electrode, wherein at least one of the first electrode and the second electrode includes a plurality of stacked sub-electrode layers, and two adjacent sub-electrode layers have different sonic impedances.

公开(公告)号：US20200213712A1

公开(公告)日：2020-07-02

申请号：US16529132

申请日：2019-08-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H04R1/28 ,  H01L41/08 ,  H01L41/09

Abstract: A sounding device, a manufacturing method thereof and a display device are provided. The sounding device includes at least two sounding units. Each of the sounding units includes: a transparent structural layer, including a recess and a supporting member located around the recess; and a piezoelectric vibrating film covering the recess, a cavity is formed by the piezoelectric vibrating film and the supporting member. The piezoelectric vibrating film includes a base film covering the recess; and at least one piezoelectric structure located on a side of the cavity away from the transparent structural layer. Each of the at least one piezoelectric structure includes: a first electrode; a piezoelectric material layer located on a side of the first electrode away from the cavity; and a second electrode located on a side of the piezoelectric material layer away from the first electrode.

公开(公告)号：US20240203343A1

公开(公告)日：2024-06-20

申请号：US17794625

申请日：2021-09-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yuzhen GUO ,  Zhenyu ZHANG ,  Lubin SHI ,  Zhen ZHANG ,  Chenyang ZHANG ,  Fuqiang LI

IPC: G09G3/3233 ,  G09G3/3266 ,  H10K59/131

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  H10K59/131 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0286 ,  G09G2310/08

Abstract: Disclosed are a display substrate and a display apparatus, the display substrate includes a display region and a non-display region, the display region is provided with a pixel circuit and a light emitting unit; each pixel circuit is connected with K light emitting devices emitting light of a same color; each pixel circuit includes a current control sub-circuit and a light emitting selection sub-circuit; the current control sub-circuit is configured to provide a drive current to a first node under control of a reset signal terminal, an initial signal terminal, a scan signal terminal, a data signal terminal, a light emitting control terminal, and a first power supply terminal; the light emitting selection sub-circuit is configured to sequentially provide a signal of the first node to the K light emitting devices emitting light of the same color under control of K light emitting selection signal terminals.