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公开(公告)号:US12217653B2
公开(公告)日:2025-02-04
申请号:US17773337
申请日:2021-05-10
Applicant: BOE Technology Group Co., Ltd.
Inventor: Rui Liu , Shaolei Zong , Xin Duan , Wei Sun , Jigang Sun , Shuhuan Yu , Kexin Hao , Jiantao Liu
IPC: G06T9/00 , G09G3/20 , H04N19/182
Abstract: Provided is a method for transmitting image data. The method includes acquiring initial image data of a to-be-displayed image in a display panel, wherein the display panel includes a plurality of pixels, and the initial image data includes pixel data of the plurality of pixels; compressing pixel data of a plurality of first pixels in the initial image data to acquire at least one piece of compressed pixel data, wherein the plurality of first pixels are disposed in a non-foveal region of the display panel, and a plurality of second pixels are disposed in a foveal region of the display panel; sending compressed image data to a driver chip of the display panel, wherein the compressed image data comprises the at least one piece of compressed pixel data and pixel data of the plurality of second pixels.
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2.
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:US10714045B2
公开(公告)日:2020-07-14
申请号:US15292361
申请日:2016-10-13
Inventor: Jigang Sun , Pengjun Chen , Hao Zhang
IPC: G09G3/36
Abstract: 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
Inventor: Jigang Sun , Pengjun Chen , Wei Sun
IPC: G06F13/14 , G09G5/00 , G06F9/44 , G09G5/393 , G06F9/4401 , G09G3/36 , G09G5/36 , G06F9/451 , G09G3/00
Abstract: 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
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Shaolei Zong , Xin Duan , Jigang Sun , Wei Sun
IPC: G09G3/20
CPC classification number: G09G3/2096 , G09G2310/0267 , G09G2310/0275 , G09G2310/04 , G09G2310/08 , G09G2354/00
Abstract: 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
Inventor: Shaolei Zong , Jieqiong Wang , Jigang Sun , Yanfei Ren
Abstract: 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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7.
公开(公告)号:US11099690B2
公开(公告)日:2021-08-24
申请号:US16079132
申请日:2018-02-01
Inventor: Xueying Wang , Jigang Sun , Wanhua Yang , Yue Lang
IPC: G06F3/044
Abstract: 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
Inventor: Wenchao Han , Yifan Song , Wei Sun , Jigang Sun
IPC: G09G3/20
Abstract: 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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9.
公开(公告)号:US10901550B2
公开(公告)日:2021-01-26
申请号:US16123654
申请日:2018-09-06
Inventor: Shaolei Zong , Jieqiong Wang , Jigang Sun
IPC: G06F3/041
Abstract: A display touch scanning method, a non-volatile storage medium, a display touch scanning chip and a display apparatus are disclosed. The display touch scanning method including: dividing one frame of display scan into M display time periods to be sequentially executed, and dividing one frame of touch scan into N touch time periods to be sequentially executed; and performing the touch scan using different touch loads in at least two adjacent touch time periods, or performing the display scan using different display loads in at least two adjacent display time periods. The M display time periods and the N touch time periods are interlaced, and M and N are integers greater than or equal to 2.
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公开(公告)号:US12260835B2
公开(公告)日:2025-03-25
申请号:US18036205
申请日:2020-12-22
Applicant: BOE Technology Group Co., Ltd.
Inventor: Shaolei Zong , Xin Duan , Jigang Sun , Wei Sun , Rui Liu
Abstract: A driving method and drive circuit of a display panel, a display panel, and a display device. The method includes: receiving initial image data of a frame to be displayed, the resolution of an initial image corresponding to the initial image data being different from the resolution of a display panel; the initial image data including a plurality of pieces of initial gray scale data for displaying the initial image; according to the initial gray scale data in the initial image data, the resolution of the initial image, and the resolution of the display panel, determining target gray scale data corresponding to panel sub-pixels in the display panel; and driving the display panel to display according to the target gray scale data.
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