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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.发明申请公开(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：US20250006121A1
公开(公告)日：2025-01-02
申请号：US18275228
申请日：2022-07-28
IPC: G09G3/3225 , G09G3/32
Abstract: Provided is a compensation method for a display device. The method includes: acquiring first detection voltages of the plurality of subpixels during a first shutdown compensation process; acquiring first position indication information based on the first detection voltages of the plurality of subpixels; and determining first compensation data based on the first position indication information. The first position indication information indicates column positions of pixels to which a plurality of first subpixels of the plurality of subpixels belong. The first compensation data includes first threshold compensation voltages of the plurality of subpixels, and an absolute value of a difference between the first threshold compensation voltage of the first subpixel and a first reference value is less than an absolute value of a difference between a second threshold compensation voltage of the first subpixel in the first compensation data and the first reference value.
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Patent Agency Ranking
公开(公告)号：US20240402966A1
公开(公告)日：2024-12-05
申请号：US18261152
申请日：2022-06-29
Inventor： Xiaolong WEI , Wenchao BAO , Song MENG , Yao ZHANG , Miao LIU , Cheng XU , Jingbo XU
IPC: G06F3/14
Abstract: A display device includes: a display screen, a drive circuit, a first controller and a second controller. The display screen includes a first display region and a second display region. The drive circuit is configured to transmit a control signal to at least one of the first controller or the second controller. The first controller is configured to, responding to the control signal, perform a display control on the first display region. The second controller is configured to, responding to the control signal, perform a display control on the second display region. A display time difference between the first display region and the second display region is less than a threshold time period.
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公开(公告)号：US20240379034A1
公开(公告)日：2024-11-14
申请号：US18033382
申请日：2022-04-29
IPC: G09G3/00 , G09G3/3233
Abstract: Provided is a display panel, including: a storage module configured to store a first mapping relationship table, the first mapping relationship table showing correspondence between luminance accumulation amounts of each light emitting elements in the display panel and luminance compensation gain values; an accumulation module configured to accumulate, when the display panel being powered on, luminance data of each light emitting element in real time to obtain a real-time accumulation amount of the luminance data; a main control module configured to search, according to the real-time accumulation amount of the luminance data, a corresponding luminance compensation gain value in the first mapping relationship table; calculate a real-time data signal for lighting each light emitting element according to the luminance compensation gain value and a real-time target luminance value of the light emitting element; light the light emitting element in real time according to the real-time data signal.
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公开(公告)号：US20240054925A1
公开(公告)日：2024-02-15
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：US20220122556A1
公开(公告)日：2022-04-21
申请号：US17428178
申请日：2021-01-20
Inventor： Song MENG , Zhongyuan WU
IPC: G09G3/36 , G09G3/3208 , G09G3/20
Abstract: An image processing method, an image processing circuit and a display apparatus are provided. The image processing method includes: converting an RGB gray-scale value of each pixel in a current image frame into an RGB luminance value; converting the RGB luminance value into a first RGBW luminance value; determining a luminance level of the current image frame according to the first RGBW luminance value corresponding to each pixel; determining a luminance gain value of the current image frame according to the luminance level of the current image frame; calculating a second RGBW luminance value according to the luminance gain value and the first RGBW luminance value; and converting the second RGBW luminance value into an RGBW gray-scale value.
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公开(公告)号：US20220122529A1
公开(公告)日：2022-04-21
申请号：US17361549
申请日：2021-06-29
Inventor： Song MENG , Xuehuan FENG
IPC: G09G3/3225
Abstract: The present disclosure relates to the field of display technology, and describes a pixel driving circuit detection method, a display panel, a driving method thereof, and a display device. The detection method includes inputting a reference voltage to the data line during at least part of the initial phase; turning on the first and second switch sub-circuits during the charging phase, to input the detection voltage to the data line, while inputting the reset voltage to the sensing line; turning on the second switch sub-circuit during the charging phase, to input the driving current by the driving transistor to the sensing line under the effect of the detection voltage; turning off the first and second switch sub-circuits during the detection phase, to detect the voltage on the sensing line; and obtaining the mobility of the driving transistor according to the voltage on the sensing line detected in the detection phase.
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