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公开(公告)号：US12131683B2
公开(公告)日：2024-10-29
申请号：US17497920
申请日：2021-10-09
发明人： Xin Duan , Jigang Sun , Shaolei Zong , Wei Sun
CPC分类号： G09G3/2092 , G06F1/08 , G06F1/12 , G06F1/14 , G09G2310/08 , G09G2340/0435
摘要： A method for clock calibration is provided. In the technical solution according to the present disclosure, a target driving chip includes a plurality of clock calibration circuits, wherein each of the clock calibration circuits is configured with one clock frequency. Prior to sending a clock calibration signal, a controller sends a reference clock frequency to a driving chip over a configuration instruction, such that the driving chip determines a target clock calibration circuit for clock calibration based on the configuration instruction.
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公开(公告)号：US11715441B2
公开(公告)日：2023-08-01
申请号：US17362944
申请日：2021-06-29
发明人： Wenyu Li , Jinghua Miao , Lili Chen , Hao Zhang , Shaolei Zong , Xin Duan , Jigang Sun , Wei Sun
CPC分类号： G09G5/02 , G09G5/003 , G09G2300/0804 , G09G2300/0828 , G09G2310/0297 , G09G2330/028
摘要： Provided are a virtual reality display device, a host device, a system and a data processing method. The virtual reality display device includes a display panel and a drive chip, wherein the drive chip includes a first processing module and a drive module; the first processing module is configured to decode an image to be decoded with a third color depth sent by a second processing module in a virtual reality host device to obtain a first image with a first color depth and a second image with a second color depth, the third color depth is greater than or equal to the first color depth, and the second color depth is less than the first color depth; the drive module is configured to generate a first data voltage corresponding to the first image and a second data voltage corresponding to the second image.
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公开(公告)号：US10706759B2
公开(公告)日：2020-07-07
申请号：US16096607
申请日：2018-05-15
发明人： Yaran Wang , Wei Zhang , Jigang Sun , Wei Sun
IPC分类号： G09G3/20
摘要： A current comparison circuit for use in a display device. The display device is configured to be supplied with a plurality of power supply voltages for powering a digital portion and an analog portion of the display device through respective power supplying paths. The current comparison circuit includes a plurality of comparator circuits, each of which is configured to compare a current on a respective one of the power supplying paths with a respective reference value and to output the respective comparison value. A combination of the respective comparison values output by the comparator circuits indicates a type of content being displayed by the display device.
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4.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
发明人： Jigang Sun , Wei Sun , Pengjun Chen
摘要： 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：US10714045B2
公开(公告)日：2020-07-14
申请号：US15292361
申请日：2016-10-13
发明人： Jigang Sun , Pengjun Chen , Hao Zhang
IPC分类号： G09G3/36
摘要： A control device is disclosed, the control device configured to control a display module and comprising a judgment module and a storage module, wherein the judgment module is configured to receive a reference voltage and to receive a supply voltage of the display module, and is configured to judge whether the display module is supplied with power or not according to the reference voltage and the supply voltage; and the storage module is connected with the judgment module and is connected with a display screen of the display module, the storage module is configured to store a preset image, and where the display module is supplied with power, the storage module transmits the preset image to the display screen so that the display screen displays the preset image. A control method and a display device are also disclosed.
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公开(公告)号：US10453422B2
公开(公告)日：2019-10-22
申请号：US15562212
申请日：2017-03-29
发明人： Jigang Sun , Pengjun Chen , Wei Sun
IPC分类号： G06F13/14 , G09G5/00 , G06F9/44 , G09G5/393 , G06F9/4401 , G09G3/36 , G09G5/36 , G06F9/451 , G09G3/00
摘要： An electronic apparatus including a display panel integrated circuit, an erasable nonvolatile storage and a processor is provided. The erasable nonvolatile storage is configured to store a display panel integrated circuit driving program, and the processor is configured to drive the display panel integrated circuit based on the display panel integrated circuit driving program stored in the erasable nonvolatile storage. The electronic apparatus improves the research and development efficiency and reduces the waste of integrated circuits by using an erasable nonvolatile storage to store a display panel integrated circuit driving program. A driving method for an electronic apparatus is further provided.
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公开(公告)号：US11837149B2
公开(公告)日：2023-12-05
申请号：US17925872
申请日：2021-01-04
发明人： Shaolei Zong , Xin Duan , Jigang Sun , Wei Sun
IPC分类号： G09G3/20
CPC分类号： G09G3/2096 , G09G2310/0267 , G09G2310/0275 , G09G2310/04 , G09G2310/08 , G09G2354/00
摘要： A driving method for a display panel, a display panel and a display apparatus, including: determining a gaze region, watched by eyes of a user, in a display region of the display panel; and refreshing data of at least some of sub-pixels in the display panel according to a set rule and in combination with the gaze region.
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公开(公告)号：US11209934B2
公开(公告)日：2021-12-28
申请号：US16472010
申请日：2018-11-23
发明人： Shaolei Zong , Jieqiong Wang , Jigang Sun , Yanfei Ren
摘要： The present disclosure provides a voltage driving method and device for a touch display panel, and a touch display panel, which includes a common electrode extending in a first direction and a plurality of columns of touch electrodes extending parallel to each other in a second direction. The voltage driving method includes: applying a first scanning voltage to two outermost columns of touch electrodes during a first period of a first touch cycle including a plurality of periods, the first scanning voltage being equal to a reference voltage; detecting a first output voltage output by the two outermost columns of touch electrodes during the first period; and adjusting, based on the detected first output voltage, the scanning voltage applied to the two outermost columns of touch electrodes during a first period of a second touch cycle immediately after the first touch cycle, to a second scanning voltage.
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9.发明授权公开(公告)号：US11099690B2
公开(公告)日：2021-08-24
申请号：US16079132
申请日：2018-02-01
发明人： Xueying Wang , Jigang Sun , Wanhua Yang , Yue Lang
IPC分类号： G06F3/044
摘要： The present disclosure provides a capacitance compensation module, a capacitance compensation method, a self-capacitive touch display panel and a self-capacitive touch display device. The capacitance compensation module includes: a detection circuitry configured to detect an initial capacitance of a capacitor formed between each of the plurality of touch electrodes and the ground when the touch electrode is not being touched; a determination circuitry connected to the detection circuitry, and configured to determine whether the touch electrode is an abnormal touch electrode in accordance with the initial capacitance and output a compensation control signal when the touch electrode is the abnormal touch electrode; and a compensation circuitry connected to the determination circuitry and configured to, upon the receipt of the compensation control signal, apply a compensation voltage to the abnormal touch electrode, so as to enable the initial capacitance of the capacitor formed between the abnormal touch electrode and the ground to be within a standard capacitance range. According to at least one of embodiments of the present disclosure, it is able to at least partially prevent the occurrence of a capacitance warpage at a periphery of the self-capacitive touch display panel.
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公开(公告)号：US11011097B2
公开(公告)日：2021-05-18
申请号：US16395652
申请日：2019-04-26
发明人： Wenchao Han , Yifan Song , Wei Sun , Jigang Sun
IPC分类号： G09G3/20
摘要： A method for driving a display panel is disclosed. The display panel includes a plurality of sub-pixels arranged in an array, a plurality of data input ports, a plurality of groups of data lines, and a plurality of groups of selection switches, wherein each group of data lines includes a plurality of data lines coupled to the same data input port through a plurality of selection switches in a corresponding group of selection switches. The method includes: sequentially turning on a plurality of selection switches according to a first sequence when an Mth row of sub-pixels of the display panel is scanned; and sequentially turning on the plurality of selection switches according to a second sequence when an (M+1)th row of sub-pixels of the display panel is scanned, wherein M is a positive integer greater than or equal to 1, and the first sequence is different from the second sequence.
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