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公开(公告)号：US11062669B2
公开(公告)日：2021-07-13
申请号：US16994891
申请日：2020-08-17
发明人： Ke Dai , Yunyun Liang , Liugang Zhou , Zhenlin Qu , Liu He , Qing Li , Jun Wang , Yu Quan , Xiaofeng Yin , Liwei Zhou , Lin Zhang , Tao Li , Yulong Xiong
摘要： The present disclosure provides a driving circuit and driving method for a liquid crystal display panel, and a display device. The driving circuit includes: a signal collector, configured to collect a backlight control signal; and a timing control chip, configured to determine whether a BLU is in the bright state time period or in the dark state time period, and retrieve a first gate control signal from a memory chip and output the first gate control signal to a gate driving circuit, when determining that the BLU is in the bright state time period, or retrieve a second gate control signal from the memory chip and output the second gate control signal to the gate driving circuit, when determining that the BLU is in the dark state time period.
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公开(公告)号：US11868557B2
公开(公告)日：2024-01-09
申请号：US17631584
申请日：2021-04-23
发明人： Jian Tian , Xiaohui Yang , Jie Lei , Zouming Xu , Xiaofeng Yin
IPC分类号： G06F3/041
CPC分类号： G06F3/04164 , G06F3/0412 , G06F2203/04103 , G06F2203/04111 , G06F2203/04112
摘要： The present disclosure provides a touch substrate and a manufacturing method thereof. The touch substrate includes a base substrate and a touch electrode structure in a display area of the base substrate, and further includes a conductive structure and a wiring structure, wherein the conductive structure is in a peripheral area of the base substrate outside the display area, and includes a one-piece layer which is configured to form a lead electrically connected to a driving circuit for the touch electrode structure; and the wiring structure is in a wiring area between the display area and the peripheral area of the base substrate and is configured to electrically connect the conductive structure to the touch electrode structure. With the touch substrate and the manufacturing method of the touch substrate, problems of poor alignment and lapping, increased contact impedance, insufficient adhesive force and the like can be solved.
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公开(公告)号：US11829540B2
公开(公告)日：2023-11-28
申请号：US17310984
申请日：2020-11-30
发明人： Qiujie Su , Yanping Liao , Yingmeng Miao , Chongyang Zhao , Bo Hu , Xiaofeng Yin
IPC分类号： G06F3/044 , G06F3/041 , G02F1/1333 , G02F1/1343 , G02F1/1362 , H01L27/12
CPC分类号： G06F3/0412 , G02F1/13338 , G02F1/134309 , G02F1/136204 , G02F1/136286 , H01L27/124 , G06F3/044
摘要： An array substrate and a touch display device are provided. In the array substrate, a first control unit and a second control unit are arranged opposite to each other in a first direction. A plurality of touch sensor blocks includes a first group of electrode blocks and a second group of electrode blocks arranged in the first direction, and a plurality of touch signal lines includes a first group of touch signal lines and a second group of touch signal lines arranged in the first direction. The touch signal lines in the first group of touch signal lines are coupled to the touch sensor blocks in the first group of electrode blocks respectively; and the touch signal lines in the second group of touch signal lines are coupled to the touch sensor blocks in the second group of electrode blocks respectively.
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公开(公告)号：US11250798B2
公开(公告)日：2022-02-15
申请号：US16994217
申请日：2020-08-14
发明人： Jun Wang , Liugang Zhou , Jingang Liu , Ke Dai , Xiaofeng Yin , Jianwei Sun , Liu He , Zhenlin Qu , Qing Li , Yunyun Liang , Yulong Xiong , Yu Quan
摘要： A display driving method includes: determining, by a timing controller, an actual grayscale value of a sub-pixel image in an X-th row and a Y-th column according to a preset grayscale value of a sub-pixel image in an (X−1)-th row and the Y-th column and a preset grayscale value of the sub-pixel image in the X-th row and the Y-th column of an image frame to be displayed. The image frame to be displayed includes J rows and Q columns of sub-pixel images. X is greater than or equal to 2, and is less than or equal to J. Y is greater than or equal to 1, and is less than or equal to Q, and X, Y, J, and Q are all integers.
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公开(公告)号：US12118169B2
公开(公告)日：2024-10-15
申请号：US17788553
申请日：2021-08-05
发明人： Zhongshan Wu , Xiaoyuan Wang , Yan Liu , Ruiqi Pan , Xiaofeng Yin , Jiantao Liu
CPC分类号： G06F3/0446 , G06F3/0416
摘要： The present invention relates to a touch substrate with a touch control unit including a first touch electrode having a first bus bar extending along a first direction and a first inner electrode extending from the first bus bar, and a second touch electrode having a second bus bar extending along the first direction and a second inner electrode extending from the second bus bar. The first and second bus bars are disposed opposite to each other, the first and second inner electrodes are between the first and second bus bars, alternately and spaced apart from each other in the first direction. Each pair of adjacent first and second inner electrodes constitutes an inner electrode group, within which, at least a portion of the first inner electrode extends toward the second inner electrode, and at least a portion of the second inner electrode extends toward the first inner electrode.
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公开(公告)号：US20240210766A1
公开(公告)日：2024-06-27
申请号：US18547390
申请日：2022-11-29
发明人： Tingting Wang , Xu Wang , Qi Wang , Yan Yan , Yu Ma , Xiaofeng Yin , Zhiqiang Ma , Tao Gong , Haoyan Ren
IPC分类号： G02F1/1343 , G02F1/1362 , H01L27/12
CPC分类号： G02F1/134318 , G02F1/136209 , G02F1/136286 , H01L27/124
摘要： An array substrate includes: a base substrate, a light shielding layer on a first surface of the base substrate, and a plurality of pixel units and a first common electrode bus on a second surface of the base substrate. The base substrate includes a display region, first and second peripheral regions. Orthographic projections of the pixel units on the base substrate are arranged in an array in the display region. At least part of an orthographic projection of the light shielding layer and at least part of an orthographic projection of the first common electrode bus on the base substrate are in the second peripheral region, and the first common electrode bus is electrically connected to the common electrode included in at least one pixel unit. A distribution density of the first common electrode bus in the first peripheral region is smaller than that in the second peripheral region.
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17.发明授权公开(公告)号：US11522121B2
公开(公告)日：2022-12-06
申请号：US17485227
申请日：2021-09-24
发明人： Hui Hua , Yuju Chen , Xiaofeng Yin
IPC分类号： H01L41/047 , G06F3/01 , H02N2/00
摘要： A tactile reproduction device, a method for driving the same, and a tactile reproduction apparatus. Tactile reproduction device may simulate textures to implement tactile reproduction. tactile reproduction device includes a plurality of piezoelectric units, includes: first electrode, piezoelectric section, and second electrode which are laminated, wherein the second electrode includes: first comb electrode and second comb electrode; the first comb electrode includes: a plurality of first comb-teeth electrodes and a first comb-shank electrode connecting the plurality of first comb-teeth electrodes; the second comb electrode includes: a plurality of second comb-teeth electrodes and a second comb-shank electrode connecting the plurality of second comb-teeth electrodes; the plurality of first comb-teeth electrodes and the plurality of second comb-teeth electrodes are mutually intersected; the first electrode includes a plurality of electrode units which are not connected to each other. The present disclosure is applicable to the production of tactile reproduction devices.
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公开(公告)号：US11114013B2
公开(公告)日：2021-09-07
申请号：US17094737
申请日：2020-11-10
发明人： Qing Li , Liugang Zhou , Ke Dai , Yizhan Han , Liu He , Yunyun Liang , Jun Wang , Zhenlin Qu , Jianwei Sun , Yulong Xiong , Tao Li , Yu Quan , Xiaofeng Yin , Qian Zhou , Pengjun Fang
IPC分类号： G09G3/20
摘要： A display driving device, a display driving method, a display module and a display device are provided. The display driving device includes: a PWM signal generating circuit configured to generate a PWM signal; a PWM signal acquisition circuit, configured to identify whether the PWM signal output by the PWM signal generating circuit is at a high level or a low level; a gamma voltage debugging circuit, configured to debug a gamma voltage to obtain a first group of gamma voltage reference data corresponding to the PWM signal at the high level and a second group of gamma voltage reference data corresponding to the PWM signal at the low level in each gray-scale image; and a gamma voltage switching circuit.
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公开(公告)号：US20210097950A1
公开(公告)日：2021-04-01
申请号：US16994891
申请日：2020-08-17
发明人： Ke Dai , Yunyun Liang , Liugang Zhou , Zhenlin Qu , Liu He , Qing Li , Jun Wang , Yu Quan , Xiaofeng Yin , Liwei Zhou , Lin Zhang , Tao Li , Yulong Xiong
摘要： The present disclosure provides a driving circuit and driving method for a liquid crystal display panel, and a display device. The driving circuit includes: a signal collector, configured to collect a backlight control signal; and a timing control chip, configured to determine whether a BLU is in the bright state time period or in the dark state time period, and retrieve a first gate control signal from a memory chip and output the first gate control signal to a gate driving circuit, when determining that the BLU is in the bright state time period, or retrieve a second gate control signal from the memory chip and output the second gate control signal to the gate driving circuit, when determining that the BLU is in the dark state time period.
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