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Patent Agency Ranking
公开(公告)号：US20240260474A1
公开(公告)日：2024-08-01
申请号：US18006458
申请日：2022-01-29
Applicant: BOE Technology Group Co., Ltd.
Inventor： Dexing QI , Yuju CHEN , Hui HUA , Yingzi WANG
Abstract: Embodiments in the present disclosure provide a vibration panel and a drive method therefor, and a haptic feedback device. The vibration panel includes: a substrate; a piezoelectric sensor located on one side of the substrate, where the piezoelectric sensor driven by an excitation signal is configured to vibrate, and to drive the substrate to vibrate; and a regulation structure, where the regulation structure is configured to regulate a characteristic frequency of the substrate, so as to make a resonant frequency of the substrate satisfy a preset range.
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公开(公告)号：US20240329739A1
公开(公告)日：2024-10-03
申请号：US18034549
申请日：2022-03-25
Applicant: BOE Technology Group Co., Ltd.
Inventor： Dexing QI , Yuju CHEN , Hui HUA , Yingzi WANG
CPC classification number: G06F3/016 , G06F3/04164 , G06F3/0445 , G06F3/0446
Abstract: Provides are a haptic feedback substrate and apparatus. The haptic feedback substrate includes: a base substrate; a first electrode layer, the first electrode layer is electrically connected to a ground voltage input end; a piezoelectric film layer at one side of the first electrode layer facing away from the base substrate; a second electrode layer at one side of the piezoelectric film layer facing away from the base substrate, the second electrode layer is divided into vibration zones, each vibration zone includes at least one second electrode, second electrodes in each vibration zone are electrically connected to the same drive voltage input end, second electrodes in different vibration zones are electrically connected to different drive voltage input ends; the first and second electrode layers form an alternating electric field, the piezoelectric film layer vibrates under the action of the alternating electric field and drive the base substrate to resonate.
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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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公开(公告)号：US20240281067A1
公开(公告)日：2024-08-22
申请号：US18016259
申请日：2022-01-25
Inventor： Zhiming YANG , Dexing QI , Yingzi WANG
CPC classification number: G06F3/016 , G06F3/0416 , G06F2203/04105
Abstract: A tactile feedback method includes: determining a touch state; selecting a fitting waveform corresponding to the touch state according to the touch state; and providing an electrical signal to the tactile feedback apparatus according to the fitting waveform, so as to enable the tactile feedback apparatus to vibrate. A method for obtaining the fitting waveform includes: obtaining a touch simulation mechanical curve, and fitting the touch simulation mechanical curve to obtain the fitting waveform of the electrical signal to be provided to the tactile feedback apparatus.
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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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