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公开(公告)号：US12174063B2
公开(公告)日：2024-12-24
申请号：US17912888
申请日：2021-10-29
Inventor： Zhaohui Meng , Lianghao Zhang , Xinle Wang , Wenchao Han , Wei Sun
Abstract: A sampling circuit, including a voltage divider circuit, a switch circuit and a comparator circuit; wherein first terminals of resistance voltage divider sub-circuits in the voltage divider circuit are electrically connected to voltage division output terminals, respectively, and the resistance voltage divider sub-circuits are configured to perform resistance voltage division processing according to the voltages at first and second input terminals and write divided voltages to the voltage division output terminals, respectively; the voltage division output terminals are electrically connected to the third input terminal through corresponding switch sub-circuits in the switch circuit, respectively, and each switch sub-circuit is configured to control connection/disconnection between a corresponding voltage division output terminal and the third input terminal; the comparator circuit is electrically connected to the sampling output terminal, and is configured to compare voltages at the third and fourth input terminals and provide comparison results to the sampling output terminal.
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Patent Agency Ranking
12.发明授权公开(公告)号：US12170042B2
公开(公告)日：2024-12-17
申请号：US17778489
申请日：2021-05-18
Inventor： Lianghao Zhang , Xinle Wang , Yifan Song , Wenchao Han , Zhaohui Meng , Wanzhi Chen , Jing Liu
IPC: G09G3/20
Abstract: There is provided a detection circuit, a display panel and a detection method. The detection circuit includes: a conversion circuit configured to acquire a photoelectric sensing signal in real time and convert the acquired photoelectric sensing signal into a luminance value; a storage circuit configured to store N luminance values from the conversion circuit on a first input first output basis; a discrimination circuit connected to the storage circuit and configured to determine whether at least two of the N luminance values meet a preset condition; and an output circuit connected to the discrimination circuit and the storage circuit, and configured to output a preset default luminance value in response to the at least two luminance values meeting the preset condition and output at least one of the N luminance values in response to the at least two luminance values not meeting the preset condition.
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公开(公告)号：US11979737B2
公开(公告)日：2024-05-07
申请号：US17762323
申请日：2021-04-15
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yue Gou , Yingming Liu , Yaqian Ji , Xiufeng Li , Yanling Han , Chenyang Zhang , Peixiao Li , Yuzhen Guo , Wenchao Han , Lianghao Zhang
CPC classification number: H04S7/303 , H04S2400/11
Abstract: A display device and an operation method of the display device are provided in the present disclosure. The display device includes a display screen a sound-generation driving module, and further includes an acoustic scanning module, arranged on a non-display side of the display screen and configured to determine a spatial contour of a space where the display device is located through acoustic scanning; a viewer position detection module, configured to detect viewer coordinates in the space where the display device is located; and a control module, configured to control the sound-generation driving module to generate sound in accordance with the spatial contour and the viewer coordinates.
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公开(公告)号：US11662866B2
公开(公告)日：2023-05-30
申请号：US17036911
申请日：2020-09-29
Inventor： Lianghao Zhang , Wenchao Han , Yilin Feng , Xiaoyang Shen , Mingming Wang
IPC: G06F3/041 , G06F3/044 , G02F1/1333
CPC classification number: G06F3/0446 , G02F1/13338 , G06F3/0445 , G06F3/0448 , G06F3/04186 , G06F2203/04104
Abstract: The present disclosure provides a touch panel and a positioning method thereof. The touch panel includes: a transparent conductive film layer including a plurality of first self-capacitance touch electrodes arranged along a first direction, wherein the plurality of first self-capacitance touch electrodes are configured to detect a coordinate of a touch point in the first direction, at least one of the plurality of first self-capacitance touch electrodes is a transparent conductive film block extending along a second direction, and the first direction intersects with the second direction; and a wire layer including a plurality of second self-capacitance touch electrodes arranged along the second direction, wherein the plurality of second self-capacitance touch electrodes are configured to detect a coordinate of the touch point in the second direction, and at least one of the plurality of second self-capacitance touch electrodes is a group of wires extending along the first direction.
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公开(公告)号：US11543911B2
公开(公告)日：2023-01-03
申请号：US16768292
申请日：2019-04-30
Inventor： Yilin Feng , Wei Sun , Wenchao Han , Zhaohui Meng , Xinle Wang , Yan Yang , Lianghao Zhang , Xiaoyang Shen
Abstract: A driving method, a driving circuit and a touch-display apparatus are provided. The driving method includes providing a gate driving signal to a gate line, providing a pixel voltage to a data line, and providing a common electrode driving signal to a common electrode, wherein a pixel display operation is performed based on the gate driving signal, the pixel voltage, and the common electrode driving signal, and simultaneously, a touch detection operation is performed based on the common electrode driving signal. The driving method realizes the effect of simultaneously performing a pixel display operation and a touch detection operation, and solves the problem that the pixel display operation of the touch-display apparatus is affected in the touch detection stage.
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公开(公告)号：US11194435B2
公开(公告)日：2021-12-07
申请号：US16840400
申请日：2020-04-05
Inventor： Lianghao Zhang , Wenchao Han , Yilin Feng , Mingming Wang , Xin Duan , Xiaoyang Shen
IPC: G06F3/044
Abstract: A detection substrate and a display device are disclosed. The detection substrate includes an outer detection electrode and an inner detection electrode on a base substrate and insulated from each other. The outer detection electrode has a hollowed portion, and the hollowed portion corresponds to the inner detection electrode. The inner detection electrode includes a body portion and a plurality of protrusion portions protruding from the body portion and extending in directions away from the body portion. The edge of the hollowed portion includes a curved portion, an orthographic projection of the curved portion on the base substrate protrudes into a region between orthographic projections of at least two adjacent protrusion portions of the plurality of protrusion portions on the base substrate, a portion of the orthographic projection of the curved portion is closer to an orthographic projection of the body portion on the base substrate.
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