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公开(公告)号：US20250033084A1
公开(公告)日：2025-01-30
申请号：US18918536
申请日：2024-10-17
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yongchun TAO , Shuai HOU , Jingwen GUO , Hui HUA , Xiaotong LIU , Yichi ZHANG
Abstract: The present disclosure provides a transducer unit and a manufacturing method thereof, and a transducer, the transducer unit includes: a base substrate; a first electrode on the base substrate; a support pattern on a side of the first electrode away from the base substrate, which is enclosed into an first groove, at least one second groove and at least one third groove, an orthographic projection of the second groove on the base substrate is spaced apart from that of the first groove on the base substrate, the third groove is between the first groove and the second groove to communicate them; a diaphragm pattern on the side of the first electrode away from the base substrate and capable of vibrating in the first groove; a filling pattern in the second groove; a second electrode on a side of the diaphragm pattern away from the base substrate.
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公开(公告)号：US20240319814A1
公开(公告)日：2024-09-26
申请号：US18246322
申请日：2022-04-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Shuai WANG , Dexing QI , Hui HUA , Yingzi WANG , Dongsheng HUANG , Li ZHOU , Xiaoguang XU
CPC classification number: G06F3/0416 , G06F3/016 , G06F3/04142 , G06F2203/04105
Abstract: This application discloses a touch panel and a human-computer interaction method based on a touch panel. The touch panel includes a base substrate, at least one pressure detector and at least one actuator arranged on the base substrate, and a driving circuit. The at least one pressure detector is electrically connected to the driving circuit, and the driving circuit is electrically connected to the at least one actuator.
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Patent Agency Ranking
公开(公告)号：US20240302917A1
公开(公告)日：2024-09-12
申请号：US18246611
申请日：2022-04-27
Inventor： Hui HUA , Yuju CHEN , Yingzi WANG
CPC classification number: G06F3/04164 , G06F3/016 , G06F3/04146 , G06F3/0445 , G06F3/0446 , G06F3/0448
Abstract: A touch panel, the touch panel includes a control substrate, a touch layer and a piezoelectric layer that are stacked; the control substrate includes a first substrate and a control circuit layer arranged on the first substrate, and the touch layer and the piezoelectric layer are located on the control substrate, the control circuit layer comprises a control circuit, and the control circuit is electrically connected with the touch layer and the piezo electric layer respectively, and is configured to apply electrical signals to the touch layer and the piezoelectric layer and/or receive electrical signals from the touch layer and the piezoelectric layer respectively. The touch panel can realize the global tactile feedback function, and has a simple structure and has the advantages of thinner, lighter, lower driving voltage, and lower power consumption.
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公开(公告)号：US20240276884A1
公开(公告)日：2024-08-15
申请号：US18691848
申请日：2021-11-22
Applicant: BOE Technology Group Co., Ltd.
Inventor： Shuai WANG , Hui HUA , Yingzi WANG , Dongsheng HUANG , Li ZHOU
CPC classification number: H10N30/50 , H10N30/871 , H10N30/872 , H10N39/00 , G06F3/016
Abstract: A piezoelectric device, a vibration panel, and a haptic feedback device. The piezoelectric device includes: at least three electrode layers stacked alternately, and a piezoelectric layer located between every two adjacent electrode layers. For all the electrode layers, the electrode layers located on the odd-numbered layers are electrically connected to each other, the electrode layers located on the even-numbered layers are electrically connected to each other, and the electrode layers located on the odd-numbered layers are insulated from the electrode layers located on the even-numbered layers.
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公开(公告)号：US20240248535A1
公开(公告)日：2024-07-25
申请号：US18017171
申请日：2022-02-22
Applicant: BOE Technology Group Co., Ltd.
Inventor： Dexing QI , Yuju CHEN , Hui HUA , Yingzi WANG
Abstract: Embodiments of the present disclosure provide a haptics panel and a driving method thereof, and a haptics apparatus. The driving method includes: receiving a touch signal, and judging a touch position of a user on the haptics panel according to the touch signal; judging a characteristic frequency area to which the touch position belongs; determining characteristic mode displacement field distribution of the base substrate according to the characteristic frequency area to which the touch position belongs, wherein the characteristic mode displacement field distribution contains vibration displacement phase information at each position of the base substrate; dividing a plurality of piezoelectric devices arranged in an array contained in the haptics panel into at least one vibration area according to the vibration displacement phase information of the characteristic mode displacement field distribution; and loading voltage signals on at least part of the piezoelectric devices in the vibration area.
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公开(公告)号：US20230152892A1
公开(公告)日：2023-05-18
申请号：US17620538
申请日：2021-02-26
Inventor： Hui HUA , Yuju CHEN , Xiaofeng YIN
CPC classification number: G06F3/016 , B06B1/0622
Abstract: The present disclosure provides a haptic feedback base plate, a haptic feedback apparatus and a haptic feedback method. The haptic feedback base plate comprises: a substrate and a deformation unit disposed on one side of the substrate. The deformation unit comprises a first electrode, a piezoelectric material layer and a second electrode that are arranged in a stacked manner, the first electrode is arranged close to the substrate, the first electrode and the second electrode are configured to form an alternating electric field, and the piezoelectric material layer vibrates under the effect of the alternating electric field and drives the substrate to resonate, wherein a difference between a frequency of the alternating electric field and an inherent frequency of the substrate is less than or equal to a preset threshold.
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公开(公告)号：US20220347721A1
公开(公告)日：2022-11-03
申请号：US17427358
申请日：2020-10-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Hui HUA , Yanzhao LI
IPC: B06B1/02
Abstract: The present disclosure provides an ultrasonic transducer unit and a manufacturing method thereof. The ultrasonic transducer unit includes a substrate, a first electrode arranged on the substrate, an insulating layer arranged on the first electrode, a vibrating film arranged on the insulating layer, a closed cavity being between the vibrating film and the insulating layer, and a second electrode arranged on the vibrating film. The vibrating film is made of a photoresist. The ultrasonic transducer unit disclosed by the present disclosure adopts the photoresist as a material of the insulating layer and/or the vibrating film, so that the ultrasonic transducer unit with better performance can be obtained.
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