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公开(公告)号:US20190051243A1
公开(公告)日:2019-02-14
申请号:US15570928
申请日:2017-05-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Quanhu LI , Yongqian LI , Pan XU , Yu WANG , Song MENG , Fei YANG , Baoxia ZHANG , Cuili GAI , Ling WANG , Yicheng LIN , Kun CAO , Longyan WANG , Yue WU
IPC: G09G3/3258 , G09G3/3233 , G09G3/20 , G09G3/3275 , H01L27/32
Abstract: A pixel driving circuit, a pixel driving method, an array substrate, a display device, and a display panel are disclosed. The pixel driving circuit includes a switching subcircuit, a plurality of clock signal lines, a data writing subcircuit and a driving subcircuit.
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公开(公告)号:US20170236498A1
公开(公告)日:2017-08-17
申请号:US15515349
申请日:2015-09-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
CPC classification number: G09G5/393 , G09G3/20 , G09G3/2092 , G09G5/10 , G09G2320/0233 , G09G2320/0285 , H03M7/30 , H03M7/3059 , H03M7/3079
Abstract: A method and device for compressing and decompressing data information, a drive compensation method and device, and a display device. The method for compressing data information includes: acquiring data information corresponding to a sub pixel unit; establishing a distribution function model according to the data information; obtaining a valid option value section according to the distribution function model and a valid threshold value; and dividing the valid option value section into N compression sections, and compressing data information corresponding to each of the compression sections to M times of data information corresponding to all the sub pixel units according to a storage length P of the data information corresponding to the sub pixel unit to obtain N compressed data information blocks.
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23.
公开(公告)号:US20170200428A1
公开(公告)日:2017-07-13
申请号:US15320649
申请日:2016-03-15
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Danna SONG , Song MENG , Cuili GAI , Zhongyuan WU
CPC classification number: G09G5/02 , G09G3/2003 , G09G5/003 , G09G2300/0452 , G09G2300/0465 , G09G2340/0407
Abstract: The present disclosure discloses a pixel arrangement structure, an array substrate, a display apparatus and a display control method. The display control method includes obtaining a first grayscale value, a second grayscale value, a third grayscale value and a fourth grayscale value of a blue sub-pixel of four pixel units in a repeating unit; and calculating an actual display value of the blue sub-pixel based on the first grayscale value, the second grayscale value, the third grayscale value and the fourth grayscale value.
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公开(公告)号:US20170193905A1
公开(公告)日:2017-07-06
申请号:US15220080
申请日:2016-07-26
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Song MENG , Danna SONG , Yang ZHOU , Fei YANG
IPC: G09G3/3258
CPC classification number: G09G3/3258 , G09G3/20 , G09G2300/043 , G09G2300/0452 , G09G2320/0233
Abstract: The present disclosure provides a voltage drop compensation method, a voltage drop compensation device and a display device. The voltage drop compensation method includes steps of determining a voltage drop for a power signal corresponding to each subpixel set; determining a first equivalent brightness reduction value corresponding to the voltage drop; calculating an initial brightness value for each subpixel in the subpixel set; calculating a sum of the first equivalent brightness reduction value corresponding to the subpixel set and the initial brightness value as a target brightness value for each subpixel in the subpixel set; and generating a driving signal for each subpixel in accordance with the target brightness value for each subpixel in the subpixel set, and outputting the driving signal.
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公开(公告)号:US20250095523A1
公开(公告)日:2025-03-20
申请号:US18289120
申请日:2023-01-06
Inventor: Song MENG , Wenchao BAO , Cheng XU , Miao LIU
IPC: G09G3/00 , G09G3/20 , G09G3/3233
Abstract: Embodiments of the present disclosure provide a compensating method and apparatus for a display panel, and a display device. The method includes: acquiring sensing voltages of a target sub-pixel and a sub-pixel set, where the sub-pixel set includes a plurality of first sub-pixels, and the first sub-pixels are disposed within a set range around the target sub-pixel and have the same color as the target sub-pixel; determining, based on the sensing voltages of the target sub-pixel and the sub-pixel set, whether the target sub-pixel belongs to a defective pixel; replacing the sensing voltage of the target sub-pixel by a sensing voltage of a normal pixel in the sub-pixel set if the target sub-pixel belongs to the defective pixel; and electrically compensating the target sub-pixel based on the replaced sensing voltage.
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公开(公告)号:US20240395205A1
公开(公告)日:2024-11-28
申请号:US18693528
申请日:2023-08-02
Inventor: Jian MAO , Song MENG , Xiaolong WEI , Miao LIU , Cheng XU
IPC: G09G3/3233 , G09G3/00
Abstract: The display panel includes a plurality of pixel units and a sense compensation circuit; and a pixel unit includes a plurality of sub-pixels; a sub-pixel includes a pixel drive circuit and an element to be driven; the display panel further includes: a detection unit and a compensator; the sense compensation circuit is configured to sense the electrical characteristics of said element at a non-active time; the detection unit is configured to detect whether dynamic and static attributes of a picture displayed in a previous preset time period are changed, and send a first notification to the compensator when the dynamic and static attributes are changed; the compensator is configured to receive the first notification and not, according to the sense result of the sense compensation circuit in the previous preset time period, compensate for a picture displayed in a next preset time period.
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公开(公告)号:US20240203361A1
公开(公告)日:2024-06-20
申请号:US17781776
申请日:2021-05-28
Inventor: Song MENG , Jingbo XU , Jianbo XIAN
IPC: G09G3/3275 , G09G3/3233
CPC classification number: G09G3/3275 , G09G3/3233 , G09G2300/0819 , G09G2300/0842 , G09G2310/08 , G09G2320/0233
Abstract: An organic light-emitting diode display panel and a sensing method and a driving method therefor are provided. The organic light-emitting diode display panel includes a plurality of pixel units arranged in an array, each pixel unit includes a plurality of sub-pixels, and at least two sub-pixels are connected to a same sensing signal line. The sensing method includes: sequentially applying sensing data signals to the sub-pixels in the organic light-emitting diode display panel, and sequentially outputting sensing signals through sensing signal lines, to sense the sub-pixels, so as to compensate the sub-pixels. Among the sub-pixels connected to the same sensing signal line, sub-pixels, other than a sub-pixel which is currently sensed, are applied with a zero-gray-scale data signal.
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28.
公开(公告)号:US20230162642A1
公开(公告)日:2023-05-25
申请号:US17628876
申请日:2021-01-22
Inventor: Song MENG
IPC: G09G3/20 , G09G3/3275
CPC classification number: G09G3/2007 , G09G3/3275 , G09G2300/0819 , G09G2340/02 , G09G2360/145 , G09G2360/128
Abstract: The present disclosure relates to the field of display technology, and provides a display panel and a driving method thereof, a compensation data compression method and a compensation data decompression method. The display panel includes a data compression unit and a data decompression unit. The data compression unit is used to acquire a plurality of first compensation data and a common parameter, and compress each of the first compensation data into second compensation data according to a preset compression rule based on the first compensation data and the common parameter. The data decompression unit is used to acquire a plurality of second compensation data and the common parameter, and decompress each of the second compensation data into the first compensation data according to a preset decompression rule based on the second compensation data and the common parameter.
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公开(公告)号:US20220284853A1
公开(公告)日:2022-09-08
申请号:US17701615
申请日:2022-03-22
Inventor: Wenchao BAO , Song MENG , Min HE , Huihui LI
IPC: G09G3/3225 , H05K1/18 , H01L51/52 , G09G3/00
Abstract: A display module includes a display panel, a power supply driver, a voltage signal line, a sampling resistor and a detection and control circuit. The voltage signal line is connected between the display panel and the power supply driver. The sampling resistor is connected in series with the voltage signal line. The detection and control circuit is connected to two ends of the sampling resistor and the power supply driver. The detection and control circuit is configured to: detect a voltage across the sampling resistor or a current flowing through the sampling resistor; and control the power supply driver to generate a driving voltage equal to a preset value lower than a voltage threshold, if determining that the voltage across the sampling resistor is greater than or equal to the voltage threshold, or if determining that the current is greater than or equal to a current threshold.
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公开(公告)号:US20220269123A1
公开(公告)日:2022-08-25
申请号:US17478267
申请日:2021-09-17
Inventor: Huihui LI , Wenchao BAO , Song MENG
IPC: G02F1/1345
Abstract: The present disclosure provides a chip on film and a display device. The chip on film includes: a first end, wherein a first row of bonding terminals and a second row of bonding terminals are arranged on a first surface of the first end, the first row of bonding terminals and the second row of bonding terminals are spaced apart and insulated from each other, and the first row of bonding terminals is closer to a center of the chip on film than the second row of bonding terminals; and a plurality of leads, extending in a second direction and including a first part and a second part. A first end section of each lead of the first part serves as one of the first row of bonding terminals, a first end section of each lead of the second part serves as one of the second row of bonding terminals.
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