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公开(公告)号：US20220379345A1
公开(公告)日：2022-12-01
申请号：US17772263
申请日：2021-05-20
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yongchun TAO , Shuai HOU , Jingwen GUO , Hui HUA , Xiaotong LIU , Yichi ZHANG
Abstract: The present disclosure provides an acoustic transducer unit and a manufacturing method thereof, and an acoustic transducer, the acoustic 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 accommodation groove, at least one release groove and at least one connection groove, an orthographic projection of the release groove on the base substrate is spaced apart from that of the accommodation groove on the base substrate, the connection groove is between the accommodation groove and the release 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 accommodation groove; a filling pattern in the release 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：US20240244768A1
公开(公告)日：2024-07-18
申请号：US18579942
申请日：2022-07-01
Inventor： Xiaotong LIU , Yuju CHEN , Yongchun TAO , Hui HUA , Zhiming YANG , Jijing HUANG , Hengfei ZHANG , Yingzi WANG
CPC classification number: H05K5/0018 , G06F3/016 , H05K5/02 , G06F3/044 , G06F2203/04107
Abstract: A display device is disclosed. The display device includes a module outer frame, including a display opening window, where an accommodation space is formed inside the module outer frame; a display module, fixed in the accommodating space, where a light emitting side of the display module faces the display opening window; a touch module, fixed between the display module and the display opening window, where the touch module includes a haptic sensor configured to generate a standing wave on a surface of the touch module during operation; a first isolation structure, arranged between the touch module and the module outer frame, where the first isolation structure is configured to isolate the touch module from the module outer frame; and a second isolation structure, arranged between the display module and the touch module, where the second isolation structure is configured to isolate the display module from the touch module.
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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：US20240184365A1
公开(公告)日：2024-06-06
申请号：US17787404
申请日：2021-08-30
Inventor： Yongchun TAO , Yuju CHEN , Yingzi WANG
CPC classification number: G06F3/016 , B06B1/0253 , B06B1/0622 , G06F3/04164 , G06F3/0446
Abstract: The present disclosure provides a tactile feedback device having a sensing area and a feedback area surrounding the sensing area; wherein the tactile feedback device includes: a base substrate, a touch element in the sensing area, a piezoelectric element in the feedback area, and a tactile feedback driving component, on the base substrate; and wherein the tactile feedback driving component is configured to: determine a touch position in response to a touch data acquired by the touch element; determine a corresponding driving signal according to at least a touch area where the touch position is located; and input the driving signal to the piezoelectric element to drive the piezoelectric element to generate a tactile feedback. The present disclosure also provides a display apparatus and a tactile feedback method.
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公开(公告)号：US20240211065A1
公开(公告)日：2024-06-27
申请号：US17913801
申请日：2021-09-29
Inventor： Yongchun TAO , Yuju CHEN , Yingzi WANG
CPC classification number: G06F3/0416 , G06F3/016
Abstract: Provided are a display device and a touch control method therefor. The display device includes a display panel, a touch screen disposed on the display panel, and a processor connected to the display panel and the touch screen; the display panel including a display area and a non-display area. The display device further comprises: a driver located in the non-display area of the display panel. The processor is further configured to generate, according to the touch position and the touch control action, a modulation signal corresponding to the touch position and the touch control action; and the driver is configured to receive the modulation signal corresponding to the touch position and the touch control action sent by the processor, and drive the touch screen to perform full-screen vibration.
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Patent Agency Ranking
公开(公告)号：US20220141580A1
公开(公告)日：2022-05-05
申请号：US17259245
申请日：2020-03-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yongchun TAO , Yichi ZHANG , Jingwen GUO
Abstract: An embodiment of the present disclosure provides a method for driving an acoustic transducer, including: obtaining a reference electrical signal according to a first electrical signal output by a first acoustic transducer element in a case where sound waves are not received by the first acoustic transducer element; obtaining an actual detected electrical signal according to a second electrical signal output by a second acoustic transducer element in a case where sound waves are received by the second acoustic transducer element; and performing a noise reduction process on the actual detected electrical signal according to the reference electrical signal to obtain a noise-reduced signal as a final output electrical signal of the second acoustic transducer element in a case where sound waves are received by the second acoustic transducer element. An embodiment of the present disclosure further provides an acoustic transducer.
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公开(公告)号：US20220141565A1
公开(公告)日：2022-05-05
申请号：US17259241
申请日：2020-03-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yongchun TAO , Yichi ZHANG
Abstract: The present disclosure provides an acoustic transducer, including: a base substrate and a plurality of acoustic transducer elements located on the base substrate. The acoustic transducer element includes: a switch and an acoustic transducer unit. A first terminal of the switch is electrically connected to a control signal line, and a second terminal of the switch is electrically connected to the acoustic transducer unit located in the same acoustic transducer element as the switch. The switch is configured to control connection and disconnection between the acoustic transducer unit located in the same acoustic transducer element as the switch and the control signal line. An embodiment of the present disclosure further provides a method for manufacturing the acoustic transducer.
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公开(公告)号：US20240248536A1
公开(公告)日：2024-07-25
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：US20230185378A1
公开(公告)日：2023-06-15
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. The target area corresponding to the target virtual key is divided into multiple regions, and different drive signals are provided to drive the piezoelectric element to vibrate when the fingers of users touch different regions, such that the users may feel the boundary of the virtual key when moving their fingers on the surface of the touch display panel, and the virtual key has more realistic haptic feedback.
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公开(公告)号：US20230152893A1
公开(公告)日：2023-05-18
申请号：US17620590
申请日：2021-02-26
Inventor： Yongchun TAO , Yuju CHEN , Hui HUA , Xiaotong LIU , Xiaofeng YIN
CPC classification number: G06F3/016 , G06F3/0416 , B06B1/0215 , B06B1/0622 , G06F3/0412
Abstract: The present disclosure provides a haptic reproduction system and a driving method, and relates to the technical field of haptic reproduction. The haptic reproduction system is able to realize haptic reproduction, and comprises: a touch display device, an upper computer and a waveform generator. The touch display device comprises a piezoelectric unit, a touch display panel and a touch driving unit. The piezoelectric unit is disposed on the touch display panel. The touch driving unit is electrically connected to the touch display panel and the upper computer, and is configured to acquire touch information and transmit the touch information to the upper computer. The upper computer is electrically connected to the waveform generator, and is configured to send a first waveform generation instruction to the waveform generator according to the touch information. The waveform generator is configured to generate a first waveform signal according to the first waveform generation instruction. The piezoelectric unit is electrically connected to the waveform generator, and is configured to resonate with the touch display panel under the drive of the first waveform signal so as to change the friction on a touch surface of the touch display device.
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