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公开(公告)号：US12204690B2
公开(公告)日：2025-01-21
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：US11778912B2
公开(公告)日：2023-10-03
申请号：US17351418
申请日：2021-06-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yuju Chen
IPC: G06F3/041 , H10N30/067 , G06F3/01 , H10N30/082
CPC classification number: H10N30/067 , G06F3/016 , H10N30/082
Abstract: The present disclosure provides a manufacturing method for a piezoelectric ceramic chip, a piezoelectric ceramic chip assembly and a display device. The manufacturing method includes: transferring a piezoelectric ceramic layer and a bottom electrode covering the piezoelectric ceramic layer formed on a substrate to a base plate, forming an insulating layer with an opening on the base plate, so that edges of the piezoelectric ceramic layer and the bottom electrode are covered by the insulating layer, and the piezoelectric ceramic layer is exposed from the opening; etching the base plate by immersing the base plate in an etching solution for etching a material of the bottom electrode; and forming a top electrode in the opening of the insulating layer, so that the top electrode is spaced apart from the insulating layer.
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公开(公告)号：US20220129073A1
公开(公告)日：2022-04-28
申请号：US17333445
申请日：2021-05-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yuju Chen
Abstract: A haptic feedback method includes: driving a haptic feedback film layer to switch between at least two vibration modes, wherein the at least two vibration modes include a first vibration mode and a second vibration mode, a first position is different from a second position in a first direction, and the first position is a position of a first point when the haptic feedback film layer vibrates in the first vibration mode, and the second position is a position of the first point when the haptic feedback film layer vibrates in the second vibration mode.
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公开(公告)号：US10784242B2
公开(公告)日：2020-09-22
申请号：US16445777
申请日：2019-06-19
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yuju Chen
Abstract: The present disclosure provides display substrate and a fabrication method thereof, a display panel and a display device. The display substrate has a plurality of pixel regions, and includes an anode, a light-emitting layer and a cathode in each pixel region. In each pixel region, the light-emitting layer includes a plurality of light-emitting units spaced apart from each other, both the anode and the cathode are conductive layers each having an integral structure, and the plurality of light-emitting units are connected to the anode and the cathode, respectively.
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公开(公告)号：US11985898B2
公开(公告)日：2024-05-14
申请号：US17182497
申请日：2021-02-23
Applicant: BOE Technology Group Co., Ltd.
IPC: H01L41/047 , H10N30/00 , H10N30/05 , H10N30/80 , H10N30/853 , H10N30/87
CPC classification number: H10N30/05 , H10N30/10516 , H10N30/802 , H10N30/8554 , H10N30/875
Abstract: A piezoelectric device and a fabricating method thereof, and an electronic device and a controlling method thereof, which relates to the technical field of piezoelectric devices. The piezoelectric device includes: a flexible substrate and a plurality of piezoelectric units that are provided on the flexible substrate and are arranged in an array; each of the plurality of piezoelectric units includes: a first electrode, a piezoelectric component and a second electrode that are sequentially stacked on the flexible substrate; and the piezoelectric component is made from a rigid material. The present disclosure is suitable for the fabrication of piezoelectric devices.
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Patent Agency Ranking
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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7.发明授权公开(公告)号：US11740701B2
公开(公告)日：2023-08-29
申请号：US17486686
申请日：2021-09-27
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yuju Chen
IPC: G06F3/0488 , G06F3/01 , G06F3/041
CPC classification number: G06F3/016 , G06F3/041 , G06F2203/04103
Abstract: This application provides a haptics structure and a method for fabricating the same, a touch display panel and a touch display device. The haptics structure includes: a base substrate; a platelike deformer on the base substrate; and a strain gauge structure. The deformer includes a first transparent electrode, a second transparent electrode and an electrostrictive material layer between the first transparent electrode and the second transparent electrode, and the electrostrictive material layer is deformed when a voltage is applied between the first transparent electrode and the second transparent electrode. The strain gauge structure is located on a side of the deformer away from the base substrate, and is configured to measure a deformation amount of the deformer.
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公开(公告)号：US11600549B2
公开(公告)日：2023-03-07
申请号：US17489632
申请日：2021-09-29
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yuju Chen
Abstract: A tactile representation device is provided. The tactile representation device includes a substrate and a semiconductor temperature control assembly disposed on the substrate. The substrate includes a plurality of deformable regions and a plurality of node regions that are alternately disposed in a first direction, wherein the deformable regions are deformable but the node regions are not deformable. The semiconductor temperature control assembly includes a plurality of semiconductor temperature control units. Each of the semiconductor temperature control units includes a hot terminal electrode, a P-side electrode, an N-side electrode, a P-type semiconductor, and an N-type semiconductor. Each of the hot terminal electrodes is disposed in each of the deformable regions, and each of the P-side electrodes and each of the N-side electrodes are disposed in each of the node regions.
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9.发明申请公开(公告)号：US20220310877A1
公开(公告)日：2022-09-29
申请号：US17414724
申请日：2020-12-30
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yuju Chen
Abstract: The present disclosure discloses a display substrate, including a substrate, and a driver circuit, an insulation layer and a bonding electrode sequentially superposed on the substrate. The bonding electrode is configured to be connected to an anode and a cathode of a micro inorganic light-emitting diode chip to be bonded. The display substrate further includes an elastic layer sandwiched between the bonding electrode and the insulation layer, the elastic layer having an orthographic projection on the substrate covering at least an orthographic projection of the bonding electrode on the substrate. The present disclosure provides a display panel, including the above display substrate, and further including a micro inorganic light-emitting diode chip having an anode and a cathode thereof connected to the bonding electrode on the display substrate.
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10.发明申请公开(公告)号：US20200006711A1
公开(公告)日：2020-01-02
申请号：US16446722
申请日：2019-06-20
Applicant: BOE Technology Group Co., Ltd.
Abstract: Provided are a coating method, a display substrate and a manufacturing method thereof, and a display device. The coating method includes: forming a micro-fluid channel on a first surface of a first substrate, wherein the first surface is a surface to be coated of the first substrate, and a sidewall of the micro-fluid channel is the first surface of the first substrate; immersing one end of the micro-fluid channel into ink, to enable the ink to fill the micro-fluid channel; and drying the ink filling the micro-fluid channel to form a thin film on the first surface of the first substrate. The present disclosure can help implement uniform film formation of a quantum dot light-emitting layer at a high resolution, reduce the process difficulty of a high-resolution product and improve the device performance and the display performance.
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