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公开(公告)号：US12281006B2
公开(公告)日：2025-04-22
申请号：US17641284
申请日：2021-01-15
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yongchun Tao , Ruituo Wang
Abstract: A transducer element includes array elements. At least one array element includes a substrate and a first electrode layer, a diaphragm layer, and a second electrode layer that are sequentially stacked thereon. An array element has a working region including working sub-regions, and a peripheral region surrounding the working region; overlapping portions of the first electrode layer, the diaphragm layer and the second electrode layer form cells, and a cell is located in a working sub-region; portions of the diaphragm layer and portions of the first electrode layer that are located in the working sub-regions have cavities therebetween, and the portions of the diaphragm layer are configured to vibrate in a direction perpendicular to the substrate between the first and second electrode layers; two adjacent cavities communicate; the diaphragm layer has release holes located in the peripheral region; and a release hole communicates with at least one cavity.
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公开(公告)号：US11789537B2
公开(公告)日：2023-10-17
申请号：US17615395
申请日：2021-02-22
Inventor： Yuju Chen , Hui Hua , Xiaotong Liu , Yongchun Tao , Jijing Huang
IPC: G06F3/01 , G06F3/04886
CPC classification number: G06F3/016 , G06F3/04886
Abstract: The application provides a haptic feedback method and apparatus for virtual keys, and an electronic device, and relates to the field of piezoelectric techniques. A touch display panel is controlled to display at least one virtual key, a touch position detected by the touch display panel is acquired, a target waveform parameter is determined according to a positional relationship between the touch position and each region in a target area corresponding to a target virtual key, and a target drive signal is generated according to the target waveform parameter and is sent to a piezoelectric element.
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3.发明授权公开(公告)号：US11618056B2
公开(公告)日：2023-04-04
申请号：US16967071
申请日：2019-10-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiaotong Liu , Yongchun Tao
IPC: B06B1/02
Abstract: The present disclosure provides a capacitive micro-machined ultrasonic transducer, a method for preparing the same, a panel, and a device, and belongs to the technical field of ultrasonic imaging. A capacitive micro-machined ultrasonic transducer includes a first electrode, a vibrating diaphragm layer and a second electrode that are arranged in order from bottom to top, a cavity existing between the first electrode and the vibrating diaphragm layer, in which the capacitive micro-machined ultrasonic transducer further includes a third electrode located on a surface of the vibrating diaphragm layer proximate to the cavity, an orthogonal projection of the third electrode on the first electrode covers a part of an orthogonal projection of the cavity on the first electrode. The technical solution of the present disclosure can realize the conversion of the frequency of the ultrasonic waves emitted by the capacitive micro-machined ultrasonic transducer.
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公开(公告)号：US12293021B2
公开(公告)日：2025-05-06
申请号：US18040032
申请日：2022-02-24
Inventor： Yongchun Tao , Yuju Chen , Yingzi Wang
Abstract: Disclosed is a virtual haptic assembly and a virtual haptic system. The virtual haptic assembly includes a display screen; an actuator on a light emitting side of the display screen, where the actuator includes a touch panel and a piezoelectric sensor, the touch panel includes a touch area and a non-touch area on at least one side of the touch area, the piezoelectric sensor is located on one side of the touch panel facing the display screen, and the piezoelectric sensor is configured to drive the touch panel to vibrate to form haptic feedback in response to interactive information of a user; and a first cushion, fixed between the display screen and the actuator, where an orthographic projection of the first cushion on the touch panel is located in the non-touch area.
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公开(公告)号：US20240319795A1
公开(公告)日：2024-09-26
申请号：US18649092
申请日：2024-04-29
Inventor： Yongchun Tao , Dexing Qi , Yingzi Wang
CPC classification number: G06F3/016 , G06F1/1643 , G06F1/1681
Abstract: A tactile-feedback module and an electronic device are provided, which relates to the technical field of electronics. The tactile-feedback module includes: a touch substrate having a touch surface; an actuator element disposed at one side of the touch substrate away from the touch surface and configured to generate vibration in a first direction, wherein the first direction intersects with the touch surface; and a lever located between the actuator element and the touch substrate, wherein a power end of the lever is connected to the actuator element, a resistance end of the lever is connected to the touch substrate, in a stationary state of the actuator element, a plane where the lever is located is parallel to the touch surface, and the lever is configured to, under driving of the actuator element, drive the touch substrate to vibrate.
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Patent Agency Ranking
公开(公告)号：US20240185693A1
公开(公告)日：2024-06-06
申请号：US17795762
申请日：2021-09-26
Inventor： Yongchun Tao , Yuju Chen , Xiaofeng Yin , Yingzi Wang
IPC: G08B6/00
CPC classification number: G08B6/00
Abstract: The present disclosure provides a haptic rendering device, a method, a display device and a controller. The haptic rendering device includes: a substrate; a first driver arranged on the substrate and configured to vibrate and drive the substrate to vibrate after receiving a first driving signal; a vibration sensor arranged on the substrate and configured to generate a first detection voltage signal according to an amplitude or a frequency at which the first driver vibrates together with the substrate in a case where the substrate vibrates; and a controller configured to output the first driving signal to the first driver, receive the first detection voltage signal, and adjust the first driving signal according to the first detection voltage signal.
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7.发明公开公开(公告)号：US20240099145A1
公开(公告)日：2024-03-21
申请号：US18274229
申请日：2022-07-01
Inventor： Hui Hua , Yuju Chen , Xiaotong Liu , Yongchun Tao
IPC: H10N30/87 , B06B1/06 , G08B6/00 , H10N30/06 , H10N30/082
CPC classification number: H10N30/875 , B06B1/0622 , B06B1/0648 , G08B6/00 , H10N30/06 , H10N30/082
Abstract: The present disclosure provides a piezoelectric device and a preparation method therefor, a panel, and a tactile reproduction apparatus. The piezoelectric device includes: a substrate; a bottom electrode layer disposed on the substrate; a piezoelectric functional layer disposed on the bottom electrode layer; a top electrode layer disposed on the piezoelectric functional layer; an insulation layer, arranged to cover an edge portion of the top electrode layer, the piezoelectric functional layer exposed from the top electrode layer and the bottom electrode layer exposed from the piezoelectric functional layer, an edge of the insulation layer has a slope angle less than 60 degrees; and a wiring layer disposed on the insulation layer, the wiring layer at least partially covers the top electrode layer exposed from the insulation layer, and the wiring layer covers the edge of the insulation layer in an overlapping area of the wiring layer and the insulation layer.
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公开(公告)号：US11905169B2
公开(公告)日：2024-02-20
申请号：US17503003
申请日：2021-10-15
Inventor： Jingwen Guo , Yongchun Tao
CPC classification number: B81C1/00182 , B81B3/0021 , B81B2203/0127 , B81B2203/0315 , B81B2203/04
Abstract: An acoustic transduction unit, a manufacturing method thereof and an acoustic transducer, and relates to the technical field of electronic devices. A first electrode is arranged on a first substrate, a support layer is arranged on a side, close to the first electrode, of the first substrate, and a conductive diaphragm layer is arranged on a side, away from the first substrate, of the support layer; a cavity is enclosed by the support layer, overlapping areas exist between orthographic projections of the first electrode, the conductive diaphragm layer and the cavity on the first substrate, and the conductive diaphragm layer serves as both a diaphragm layer and a second electrode in the acoustic transduction unit, it allows the conductive diaphragm layer to be configured as both the diaphragm layer and the second electrode, a layer structure of the acoustic transduction unit is simple.
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公开(公告)号：US11531218B2
公开(公告)日：2022-12-20
申请号：US16841771
申请日：2020-04-07
Applicant: BOE Technology Group Co., Ltd.
Inventor： Jingwen Guo , Yanzhao Li , Yongchun Tao
Abstract: The present disclosure discloses a dimming mirror and a manufacturing method thereof, and a dimming apparatus. The dimming mirror includes a dimming layer including a plurality of dimming units. Each of the dimming units includes a first driving structure and a second driving structure opposite to each other, and an elastic supporting structure disposed between the first driving structure and the second driving structure. The first and second driving structures and the elastic supporting structure enclose a dimming chamber. The first and second driving structures are configured to adjust a dimming angle of the dimming unit by adjusting a gap width of the dimming chamber, such that a response wavelength of the dimming mirror is adjusted. The present disclosure facilitates the improvement of the flexibility of the dimming mirror.
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公开(公告)号：US20210124193A1
公开(公告)日：2021-04-29
申请号：US16841771
申请日：2020-04-07
Applicant: BOE Technology Group Co., Ltd.
Inventor： Jingwen Guo , Yanzhao Li , Yongchun Tao
IPC: G02F1/01
Abstract: The present disclosure discloses a dimming mirror and a manufacturing method thereof, and a dimming apparatus. The dimming mirror includes a dimming layer including a plurality of dimming units. Each of the dimming units includes a first driving structure and a second driving structure opposite to each other, and an elastic supporting structure disposed between the first driving structure and the second driving structure. The first and second driving structures and the elastic supporting structure enclose a dimming chamber. The first and second driving structures are configured to adjust a dimming angle of the dimming unit by adjusting a gap width of the dimming chamber, such that a response wavelength of the dimming mirror is adjusted. The present disclosure facilitates the improvement of the flexibility of the dimming mirror.
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