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公开(公告)号：US12183281B2
公开(公告)日：2024-12-31
申请号：US18034374
申请日：2022-06-29
Inventor： Min He , Xiaolong Wei , Song Meng , Qiang Fei , Jingbo Xu , Cheng Xu , Miao Liu , Pengfei Yin
IPC: G09G3/3233 , G09G3/20
Abstract: Disclosed are a display panel and a display method thereof, and a display apparatus. The display panel includes multiple pixel units, a pixel unit includes multiple sub-pixels, a sub-pixel includes a pixel drive circuit, a sense compensation circuit, and an element to be driven, and the display panel further includes a detection unit and a compensator; the pixel drive circuit is configured to drive the element to be driven in active time; the sense compensation circuit is configured to sense electrical characteristics of the element to be driven in blank time; the detection unit is configured to detect whether a currently displayed picture is a still picture, send a first notification to the compensator when the currently displayed picture is a still picture, and send a second notification to the compensator when the currently displayed picture is a non-still picture.
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公开(公告)号：US12046182B2
公开(公告)日：2024-07-23
申请号：US17913782
申请日：2021-11-15
Applicant: BOE Technology Group Co., Ltd.
Inventor： Fei Yang , Tangxiang Wang , Xiaolong Wei , Jingbo Xu , Jianbo Xian
IPC: G09G5/18 , G09G3/20 , G09G3/3225
CPC classification number: G09G3/2096 , G09G3/3225 , G09G2300/0842 , G09G2310/08 , G09G2320/041 , G09G2330/026 , G09G2330/027
Abstract: The present disclosure provides a compensation control method and a display device. The method includes in a standstill phase, controlling the display panel to stand still; after the standstill phase ends, sensing, by the timing controller, characteristic values of each row of the pixel circuits in the display panel in a time division manner by controlling the gate driver and the source driver; setting a black insertion time period between time periods for sensing characteristic values of different rows of pixel circuits, during the black insertion time period, controlling, by the timing controller, the gate driver and the source driver, to display a black picture on the display panel.
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公开(公告)号：US11645978B2
公开(公告)日：2023-05-09
申请号：US17417501
申请日：2020-12-09
Inventor： Wenchao Bao , Xiaolong Wei
IPC: G09G3/3258 , G09G3/00 , G09G3/3266
CPC classification number: G09G3/3258 , G09G3/006 , G09G3/3266 , G09G2300/043
Abstract: The present disclosure provides method and device for processing compensation data to be applied to a pixel circuit, and a display panel. The method includes: receiving M compensation data; determining a first threshold range according to (i−N)-th to (i−1)-th standard data, wherein midpoint and length of the first threshold range both depend on the (i−N)-th to (i−1)-th standard data; judging whether an i-th compensation data is in the first threshold range or not; in response to the i-th compensation data being in the first threshold range, determining the i-th compensation data as qualified and using it as an i-th standard data; and in response to the i-th compensation data not being in the first threshold range, determining the i-th compensation data as unqualified, replacing it with an average value of the (i−N)-th to (i−1)-th standard data, and using the replaced i-th compensation data as the i-th standard data.
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公开(公告)号：US11200818B2
公开(公告)日：2021-12-14
申请号：US16421674
申请日：2019-05-24
Inventor： Wenchao Bao , Xiaolong Wei
IPC: G09G3/00 , H01L51/00 , G09G3/3208 , G06F16/901
Abstract: The present disclosure provides a method and a device for abnormal data processing. The method includes: acquiring a queue of data to be detected, wherein the queue of data to be detected comprises M data arranged sequentially, M being a positive integer; filtering the queue of data to be detected with a filtering algorithm in at least two different orders respectively, wherein a window used in the filtering algorithm has a size of N, N being a positive integer smaller than M; determining abnormal data in the queue of data to be detected according to the filtering result; and performing data replacement on the abnormal data according to a preset rule.
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公开(公告)号：US10743405B2
公开(公告)日：2020-08-11
申请号：US16456332
申请日：2019-06-28
Inventor： Enming Xie , Xiaolong Wei , Chun Cao , Wenchao Bao
Abstract: The present disclosure provides a printed circuit board including a plurality of conductive layers separated by insulating medium and a plurality of connection structures. Each connection structure penetrates each of the conductive layers. The plurality of conductive layers comprises a first conductive layer in which first signal lines are located and a second conductive layer in which second signal lines are located, and the first and second signal lines are connected via the connection structures. Anti-pads surrounding the connection structures are provided on others of the plurality of conductive layers except the first and the second conductive layers. For a same connection structure, the anti-pads surrounding the connection structure include adjacent anti-pads and nonadjacent anti-pads. Size of the adjacent anti-pads in any direction parallel to the conductive layers is smaller than that of the nonadjacent anti-pads. The present disclosure also provides a display apparatus.
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Patent Agency Ranking
公开(公告)号：US12118906B2
公开(公告)日：2024-10-15
申请号：US17764992
申请日：2021-05-28
Inventor： Xiaolong Wei , Fei Yang , Song Meng , Jingbo Xu , Jianbo Xian
IPC: G09G3/00 , G09G3/3233
CPC classification number: G09G3/006 , G09G3/3233 , G09G2300/0842
Abstract: A method for sensing a display panel includes: sensing an electrical characteristic parameter of a driving transistor of a pixel circuit of a sub-pixel in an X-th row in a blank stage between an N-th frame and an (N+1)-th frame, wherein X is a random number, and both N and X are positive integers.
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公开(公告)号：US11335266B2
公开(公告)日：2022-05-17
申请号：US16765846
申请日：2019-09-29
Inventor： Song Meng , Fei Yang , Chun Cao , Xiaolong Wei
IPC: G09G3/00 , G09G3/3258 , G09G3/3275
Abstract: A compensation method for a display panel and a display device are provided. The display panel includes a plurality of sub-pixels, and at least one of the plurality of sub-pixels includes a sensing capacitor. The method includes: obtaining a first voltage value and a second voltage value of the sensing capacitor, obtaining a temperature change amount of a sub-pixel corresponding to the sensing capacitor according to the first voltage value and the second voltage value of the sensing capacitor, determining a value of a compensation parameter of the sub-pixel according to the temperature change amount of the sub-pixel and a preset correspondence between the temperature change amount of the sub-pixel and the compensation parameter; and performing a compensation on a driving voltage of the sub-pixel according to the value of the compensation parameter as determined.
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公开(公告)号：US20210366400A1
公开(公告)日：2021-11-25
申请号：US16468439
申请日：2018-11-09
Inventor： Xuehuan Feng , Xiaolong Wei , Yongqian Li
IPC: G09G3/3266 , G11C19/28
Abstract: A shift register unit, a grid drive circuit, a display device and a driving method are disclosed. The shift register unit includes a display sub-shift-register and a detection sub-shift-register. The display sub-shift-register includes a display output terminal, and the display sub-shift-register is configured to output a display output signal of the shift register unit from the display output terminal at a display stage; the detection sub-shift-register is connected to a display output terminal of the display sub-shift-register to receive a display output signal, and includes a first random pulse signal terminal to receive a first random pulse signal. The detection sub-shift-register is configured to output a detection output signal of the shift register unit when the display output signal is at a turn-on level and the first random pulse signal is at a turn-on level.
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公开(公告)号：US10957259B1
公开(公告)日：2021-03-23
申请号：US16470662
申请日：2019-01-17
Inventor： Xiaolong Wei , Wenchao Bao , Min He
IPC: G09G3/3291
Abstract: The embodiment of the present application provides a data processing method, wherein the data processing method is applied to a display panel comprising pixels arranged in an M×N array, the method comprising: obtaining voltage data corresponding to pixels of n adjacent columns in the ith row determining, based on stored voltage data corresponding to pixels of n adjacent columns in (m−1) rows previous to the ith row, whether voltage data corresponding to a pixel in the ith row and jth column is abnormal; performing a filtering process on the voltage data corresponding to the pixel in the ith row and jth column if the voltage data corresponding to the pixel in the ith row and jth column is abnormal, such that a difference between a threshold voltage after the filtering process and an actual threshold voltage is less than or equal to a first threshold difference.
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公开(公告)号：US10937365B2
公开(公告)日：2021-03-02
申请号：US16520542
申请日：2019-07-24
Applicant: BOE Technology Group Co., Ltd.
Inventor： Fei Yang , Yi Chen , Xiaolong Wei
IPC: G09G3/3241 , G09G3/3275
Abstract: The present disclosure provides a temperature compensation method and device, and a display apparatus. In the temperature compensation method, a temperature value of a driving transistor corresponding to a light emitting device in the display apparatus is determined according to a photoelectric display signal of the display apparatus and/or an anode voltage signal of the light emitting device, and an electrical parameter offset of the driving transistor is calculated according to the temperature value, so as to perform real-time temperature compensation on a date line signal such as a gate voltage.
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