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公开(公告)号：US20240361864A1
公开(公告)日：2024-10-31
申请号：US18633015
申请日：2024-04-11
申请人： Chongqing BOE Optoelectronics Technology Co., Ltd. , BOE Technology Group Co., Ltd. , Beijing BOE Technology Development Co., Ltd.
发明人： Zhongli Luo , Xiaofeng Yin , Kangpeng Dang , Bo Wang , Xiong Guo , Cheng Zuo , Hong Chen , Hebing Xu , Kuan Li , Xingyu Pu , Yuhong Sun , Yuansheng Tang
IPC分类号： G06F3/041
CPC分类号： G06F3/04166 , G06F3/0412
摘要： A display module and a touch display device are provided by the present application, which relates to the technical field of displaying. At least one driving chip is provided within the bonding region. The mainboard includes a power-supply chip. For a same driving chip, a resistance value between a first output terminal of the driving chip and the power-supply chip is substantially equal to a resistance value between a second output terminal of the driving chip and the power-supply chip, wherein the first output terminal refers to the output terminal that has the lowest distance to the first side edge, and the second output terminal refers to the output terminal that has the lowest distance to the second side edge. The display module is used to manufacture a touch display device.
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公开(公告)号：US12067165B2
公开(公告)日：2024-08-20
申请号：US17620590
申请日：2021-02-26
发明人： Yongchun Tao , Yuju Chen , Hui Hua , Xiaotong Liu , Xiaofeng Yin
CPC分类号： G06F3/016 , B06B1/0215 , B06B1/0622 , G06F3/0416 , G06F3/0412
摘要： A haptic reproduction system 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.
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公开(公告)号：US20240215453A1
公开(公告)日：2024-06-27
申请号：US17778172
申请日：2021-06-23
发明人： Hui Hua , Yuju Chen , Xiaofeng Yin
IPC分类号： H10N30/853 , B06B1/06 , C01G25/00 , G06F3/01
CPC分类号： H10N30/8554 , B06B1/0622 , C01G25/006 , G06F3/016 , C01P2002/34 , C01P2002/52 , C01P2002/76 , C01P2002/77 , C01P2006/40
摘要： A piezoelectric material and a piezoelectric device. The piezoelectric material includes: a matrix, wherein a crystal structure of the matrix is an ABO3-type perovskite structure, the perovskite structure includes a rhombohedral structure and a tetragonal structure that coexist, and the matrix is near a morphotropic phase boundary; and a doping element, wherein the doping element is for replacing an A-site element or a B-site element in the perovskite structure, or filling a space in the perovskite structure, and the doping element is for increasing a difference between a lattice constant of the rhombohedral structure and a lattice constant of the tetragonal structure.
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公开(公告)号：US20240185693A1
公开(公告)日：2024-06-06
申请号：US17795762
申请日：2021-09-26
发明人： Yongchun Tao , Yuju Chen , Xiaofeng Yin , Yingzi Wang
IPC分类号： G08B6/00
CPC分类号： G08B6/00
摘要： 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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公开(公告)号：US11847263B2
公开(公告)日：2023-12-19
申请号：US17620538
申请日：2021-02-26
发明人： Hui Hua , Yuju Chen , Xiaofeng Yin
CPC分类号： G06F3/016 , B06B1/0622
摘要： 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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6.发明授权公开(公告)号：US11497096B2
公开(公告)日：2022-11-08
申请号：US16990768
申请日：2020-08-11
发明人： Jianwei Sun , Liugang Zhou , Ke Dai , Yizhan Han , Yulong Xiong , Tao Li , Xiaofeng Yin , Maoyang Zhu , Pengjun Fang
IPC分类号： G02F1/1345 , H05B45/325 , G02F1/1362
摘要： A source driver includes at least one data input terminal, a plurality of data output terminals, at least two control terminals and a plurality of source driving circuits. Each source driving circuit is connected to a data input terminal of the at least one data input terminal, a data output terminal of the plurality of data output terminals and the at least two control terminals. The source driving circuit is configured such that: the source driving circuit converts a format of a data signal from the data input terminal; and in response to one of different control signals that is received by all the at least two control terminals, the source driving circuit has a corresponding different output impedance, and transmits the converted data signal to the data output terminal.
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7.发明授权公开(公告)号：US11868009B2
公开(公告)日：2024-01-09
申请号：US17630977
申请日：2020-12-28
发明人： Bowen Li , Feifei Wang , Hongming Zhan , Kaixuan Wang , Lintao Ji , Xinli Ma , Xiaofeng Yin
IPC分类号： G02F1/13363 , G02F1/1337 , G02F1/1335
CPC分类号： G02F1/13363 , G02F1/133531 , G02F1/133749
摘要： A liquid crystal display panel includes a first polarizer, a second polarizer, a liquid crystal layer including first liquid crystal molecules, a first optical compensation layer between the liquid crystal layer and any of the first polarizer and the second polarizer, a second optical compensation layer on a same side of the liquid crystal layer as the first optical compensation layer. In a non-powered state of the liquid crystal display panel orthographic projections of optical axes of the first liquid crystal molecules on the first polarizer, which are perpendicular to an orthographic projection of an optical axis of the first optical compensation layer on the first polarizer, are parallel to any of transmission axes of the first polarizer and the second polarizer that are perpendicular to each other. An optical axis of the second optical compensation layer is perpendicular to a plane where the second optical compensation layer is located.
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公开(公告)号：US11380240B2
公开(公告)日：2022-07-05
申请号：US16908283
申请日：2020-06-22
发明人： Zhenlin Qu , Liugang Zhou , Ke Dai , Tao Li , Yulong Xiong , Yizhan Han , Jianwei Sun , Liu He , Yunyun Liang , Jun Wang , Qing Li , Xutong Chen , Liwei Zhou , Xiaofeng Yin
摘要： The preset disclosure provides a display control method, a timing controller IC and a display device. The method includes: acquiring a preset grayscale voltage of a target pixel unit and a backlight brightness of a backlight region corresponding to the target pixel unit, in a current output display frame; outputting a first grayscale voltage to the target pixel unit if the backlight brightness of the corresponding backlight region is less than or equal to a first preset brightness value; outputting a second grayscale voltage to the target pixel unit if the backlight brightness of the corresponding backlight region is greater than the first preset brightness value; wherein the second grayscale voltage is greater than the first grayscale voltage, and both the second grayscale voltage and the first grayscale voltage are greater than the preset grayscale voltage.
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公开(公告)号：US10332776B2
公开(公告)日：2019-06-25
申请号：US15763438
申请日：2017-06-30
发明人： Zhidong Wang , Xiaofeng Yin
IPC分类号： H01L51/00 , G02F1/1333 , H01L21/683 , H01L27/32 , G02F1/1368
摘要： Embodiments of the disclosure provide a bearing substrate and a fabrication method for a flexible display device, which relate to the field of display technology and may achieve a uniform separation between a flexible substrate and bearing substrate, and not cause damage to the flexible substrate and the display element. The bearing substrate comprises a first sub-bearing substrate and a second sub-bearing substrate. The first sub-bearing substrate has a plurality of through holes, and the second sub-bearing substrate has a plurality of protrusions that are in one-to-one correspondence with the protrusions. The protrusions and the through holes are configured such that the protrusions are capable of passing through the through holes when assembling the first sub-bearing substrate with the second sub-bearing substrate, so that the protrusions are flush with a surface of the first sub-bearing substrate and spliced together with the surface.
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公开(公告)号：US11768569B2
公开(公告)日：2023-09-26
申请号：US17413407
申请日：2020-08-27
发明人： Zouming Xu , Xiaofeng Yin , Tsungchieh Kuo , Jian Tian , Chunjian Liu
IPC分类号： G06F3/044 , G02F1/1333 , G06F3/041
CPC分类号： G06F3/0446 , G02F1/13338 , G06F3/0412 , G06F3/0443 , G06F2203/04103 , G06F2203/04111
摘要： A touch substrate and a method of forming the same, and a touch display device are provided. The touch substrate includes: electrode connecting bridges, a signal wiring layer, an insulating layer and a touch electrode layer which are sequentially formed along a direction away from a base, where the touch electrode layer includes a plurality of first touch electrodes and a plurality of second touch electrodes, and the first touch electrodes and the second touch electrodes are arranged in a crossed manner.
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