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公开(公告)号：US11410626B1
公开(公告)日：2022-08-09
申请号：US17511704
申请日：2021-10-27
Inventor： Wenchao Han , Wei Sun
Abstract: The present application provides a method for driving a display panel, including: providing data signals to M rows of sub-pixels, wherein providing data signals to an X-th row of sub-pixels includes: determining, for each sub-pixel in the X-th row, a grayscale compensation value for a data signal provided to the sub-pixel; determining, for each sub-pixel, an actual grayscale corresponding to the sub-pixel according to the grayscale compensation value and a theoretical grayscale value Lx of the sub-pixel; and providing the data signals to the X-th row of sub-pixels according to the actual grayscales corresponding to the respective sub-pixels in the X-th row. The grayscale compensation value is determined by: calculating a grayscale difference δ by a formula δ=Lx−Lx-1, where grayscale Lx-1 is a theoretical grayscale of an adjacent sub-pixel in an (X−1)-th row; and determining the grayscale compensation value according to the grayscale difference and a grayscale compensation look-up table.
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公开(公告)号：US11371881B2
公开(公告)日：2022-06-28
申请号：US16772560
申请日：2019-07-31
Inventor： Chen Meng , Chuncheng Che , Wei Sun
Abstract: A photoelectric detection circuit, a photoelectric detection device and an electronic device. The photoelectric detection circuit includes a first detection sub-circuit configured to be exposed to the environment of light to be detected and having an equivalent resistance that varies with the variation of illumination intensity of the light to be detected in the environment; and a second detection sub-circuit configured to be in a state of fixed illumination intensity and having an equivalent resistance that is constant due to the fixed illumination intensity. The first detection sub-circuit is connected in series with the second detection sub-circuit via a first node N1 and the signal output lead Vout is electrically connected with the first node N1 to output detected electrical signals.
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公开(公告)号：US11314354B2
公开(公告)日：2022-04-26
申请号：US16328841
申请日：2018-04-16
Inventor： Wenchao Han , Wei Sun , Lingyun Shi , Dong Chen
IPC: G06F3/041 , G06F1/3234 , G06F3/044
Abstract: A touch driving method and device, an operation mode switching method, a touch devices, and an electronic device are provided, the method includes: controlling a driver module to output a first touch detection signal; controlling a selector module to simultaneously transmit the first touch detection signal outputted by the driver module corresponding to the selector module to n touch electrodes connected to the selector module; detecting whether there is touch input and, when there is the touch input, controlling the driver module to output a second touch detection signal; and controlling the selector module to successively transmit the second touch detection signal outputted by the driver module corresponding to the selector module to the n touch electrodes connected to the selector module.
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144.发明授权公开(公告)号：US11302233B2
公开(公告)日：2022-04-12
申请号：US17255070
申请日：2020-05-26
IPC: G09G3/20
Abstract: The disclosure provides a timing control method and a timing control circuit for a display panel, a driving device, and a display device. The method includes: in respective display periods, supplying a data enable signal to a source driving circuit. The source driving circuit supplies a data signal to a plurality of sub-display regions under the control of the data enable signal. The data enable signal is switched between an active level and an inactive level, and the active levels of the data enable signal are in one-to-one correspondence with the plurality of sub-display regions of the display panel. The farther one of the plurality of sub-display regions from the source driving circuit, the longer time period, at an active level, of the data enable signal for controlling the source driving circuit to provide the data signal to at least one row of pixels in the sub-display region is.
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145.发明授权公开(公告)号：US11300446B2
公开(公告)日：2022-04-12
申请号：US16683511
申请日：2019-11-14
Inventor： Pengfei Wei , Wei Sun , Zheng Jia , Xu Guan , Zhenwei Gao , Xue Gao , Ning Xie , Xingge Jia , Zongyuan Wang , Chuanhui Ma
IPC: G01J1/44 , H01L27/146 , A61B3/113 , G06F3/01 , H01L27/15
Abstract: Disclosed are an optical detection method and an optical detection apparatus for a fatigue state of a user, and an optical detection device, this application relates to the field of detection technology, and is for improving accuracy of detection of the fatigue state. An optical detection method includes: irradiating eyes of the user with an infrared light; obtaining an intensity of an infrared light reflected by the eyes of the user; and determining whether the user is in a fatigue state based on the intensity of the reflected infrared light.
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Patent Agency Ranking
公开(公告)号：US20220038821A1
公开(公告)日：2022-02-03
申请号：US17212058
申请日：2021-03-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yaqian Ji , Yingming Liu , Xiufeng Li , Yanling Han , Wenchao Han , Yue Gou , Chenyang Zhang , Jing Yu , Wei Sun , Xiaoliang Ding , Yuzhen Guo , Peixiao Li
Abstract: A display module, a display device and a method of forming a display module are provided. The display module includes: a display sounding structure including a display panel and an auxiliary layer connected to the display panel; an excitation source configured to drive the display panel, the display module further includes a supporting frame, and the display panel is connected to the supporting frame through the auxiliary layer; or an excitation source configured to drive the auxiliary layer to vibrate and sound, the auxiliary layer is a transparent film layer arranged at a light-emitting side of the display panel cooperating with the display panel to form a sounding chamber in an enclosing manner.
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147.发明授权公开(公告)号：US11170681B2
公开(公告)日：2021-11-09
申请号：US16066749
申请日：2018-01-04
Inventor： Yan Li , Chengfu Xu , Lingyun Shi , Wei Sun
Abstract: A gate driving circuit, a driving method thereof, a gate driver, a display panel and a display apparatus. In the gate driving circuit, a pull-up sub-circuit is configured to control the potential of a pull-up node according to signals inputted from first, second, third, fourth and fifth signal terminals and the potential of a pull-down node; a reset sub-circuit is configured to reset the potential of the pull-up node according to a signal inputted from a reset terminal; a pull-down sub-circuit is configured to control the potential of the pull-down node according to a signal inputted from the fourth signal terminal, a signal outputted from an output terminal and the potential of the pull-up node; and an output sub-circuit is configured to control a signal outputted from the output terminal according to a signal inputted from the third signal terminal, the potential of the pull-down node and the potential of the pull-up node.
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148.发明授权公开(公告)号：US11112912B2
公开(公告)日：2021-09-07
申请号：US16062953
申请日：2017-09-29
Inventor： Jigang Sun , Wei Sun , Pengjun Chen
Abstract: The calibration device is used for automatically calibrating capacitances of a sensing capacitor at various frequency points in the touch screen, and comprising a calibration circuit and a comparison circuit. The calibration circuit is connected with the sensing capacitor and the comparison circuit to transmit a calibration excitation signal to the touch screen to start calibration operations at the various frequency points, and calibrate the sensing capacitor in the touch screen according to a comparison result from the comparison circuit; the comparison circuit is used for comparing a preset capacitance with the capacitance of the sensing capacitor at a current frequency point in the touch screen to obtain the comparison result, and feeding the comparison result back to the calibration circuit, and the calibration circuit calibrates the capacitance of the sensing capacitor to a capacitance that matches with the current frequency point.
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公开(公告)号：US10762826B2
公开(公告)日：2020-09-01
申请号：US16329790
申请日：2018-03-26
Inventor： Xiurong Wang , Lingyun Shi , Wei Sun , Xue Dong , Dong Chen , Shengji Yang
IPC: G09G3/20 , G09G3/36 , G09G3/3275 , G09G3/32 , G02F1/1362
Abstract: A pixel circuit, a display panel, a display device and a driving method thereof are provided. The display panel includes a silicon substrate and a plurality of display units and a plurality of storage units fabricated on the silicon substrate. The plurality of storage units correspond to the plurality of display units one to one, and the plurality of storage units are respectively configured to receive and store display data of the plurality of display units corresponding to the plurality of storage units.
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公开(公告)号：US10726806B2
公开(公告)日：2020-07-28
申请号：US16032628
申请日：2018-07-11
Inventor： Wenchao Han , Wei Sun , Dong Chen , Lingyun Shi
IPC: G09G3/36 , G02F1/13357 , G02F1/1333 , G02F1/1362
Abstract: A display control method, a feedback circuit, a display device and an IC circuit are disclosed. The display control method is applied in the display device. The display control method includes: selecting two adjacent common electrodes of a plurality of common electrodes; collecting voltages of the two adjacent common electrodes; comparing the collected voltages of the two adjacent common electrodes and obtaining a comparison result. When the comparison result meets a preset condition, the method further includes compensating input voltages of pixel units in two pixel unit rows of a plurality of pixel unit rows corresponding to the two adjacent common electrodes based on the comparison result, so as to enable the voltages applied on the pixel units in the two pixel unit rows to be consistent.
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