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31.发明申请公开(公告)号：US20210335253A1
公开(公告)日：2021-10-28
申请号：US16481796
申请日：2019-01-21
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: G09G3/3258 , H01L27/32 , G09G3/00
Abstract: The present disclosure relates to a method for driving an organic light emitting display device, a driving controller, and a display device. When startup detection is required to be performed on the display compensation parameter of the organic light emitting display device, the startup detection is performed on the display compensation parameter of the organic light emitting display device to obtain a new compensation parameter value, and startup compensation display is performed based on the new compensation parameter value. When shutdown detection is required to be performed on the display compensation parameter of the organic light emitting display device, the shutdown detection is performed on the organic light emitting display device to obtain an updated compensation parameter value, and the updated compensation parameter value is stored.
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公开(公告)号：US20210272519A1
公开(公告)日：2021-09-02
申请号：US17044249
申请日：2020-04-14
IPC: G09G3/3258
Abstract: The present disclosure discloses a pixel circuit compensation method and device, and a display device. The method includes: when the display panel is in a preset display state, sensing a preset mobility compensation value corresponding to a driving transistor in the pixel circuit; according to the preset mobility compensation value, adjusting an initial mobility compensation value corresponding to the driving transistor to a target mobility compensation value, wherein a difference between the target mobility compensation value and the preset mobility compensation value is less than a threshold; based on the target mobility compensation value, when the display panel is in a non-display state, compensating a mobility of the driving transistor in a preset compensation manner.
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公开(公告)号：US20210225287A1
公开(公告)日：2021-07-22
申请号：US16765846
申请日：2019-09-29
Inventor： Song MENG , Fei YANG , Chun CAO , Xiaolong WEI
IPC: 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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34.发明申请公开(公告)号：US20190259327A1
公开(公告)日：2019-08-22
申请号：US16080466
申请日：2018-01-16
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: G09G3/3233
Abstract: A compensation circuit and a manufacturing method thereof, a pixel circuit, a compensation device and a display device are disclosed. The OLED compensation circuit includes at least two sense transistors, the at least two sense transistors are in one-to-one correspondence with at least two sub-pixels in a pixel, and a first electrode of each of the sense transistors is electrically connected to a driving transistor of corresponding one of the sub-pixels; a magnitude relationship between channel width-to-length ratios of driving transistors of any two sub-pixels of the at least two sub-pixels is identical with a magnitude relationship between channel width-to-length ratios of two sense transistors corresponding to the two sub-pixels.
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公开(公告)号：US20190108780A1
公开(公告)日：2019-04-11
申请号：US15774175
申请日：2017-10-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: G09G3/20
Abstract: A Gamma-curve correction method for a display apparatus, and a display apparatus. The method includes: determining a standard Gamma curve according to the display apparatus; selecting a plurality of test gray scale values on the standard Gamma curve, and acquiring a plurality of target brightness values corresponding to the plurality of test gray scale values; adjusting an input gray scale value of the display apparatus to obtain a plurality of test-correction gray scale values, where the test-correction gray scale values are corresponding input gray scale values when display brightness of the display apparatus is equal to respective target brightness; generating an association relationship between input gray scale values and correction gray scale values, according to the plurality of test gray scale values and the plurality of test-correction gray scale values; and adjusting the input gray scale value to a corresponding correction gray scale value, according to the association relationship.
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Patent Agency Ranking
36.发明申请公开(公告)号：US20170196080A1
公开(公告)日：2017-07-06
申请号：US15214368
申请日：2016-07-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Song MENG , Danna SONG
CPC classification number: H05K1/0268 , H05K1/118 , H05K1/14 , H05K1/181 , H05K3/361 , H05K2201/10128
Abstract: The display device comprises a printed circuit board, a display panel and a chip on film for connecting the printed circuit board with the display panel. The chip on film comprises a plurality of output pads and a plurality of first test pads which are close to the plurality of output pads and arranged at intervals. The display panel comprises a plurality of input pads in one-to-one correspondence with the plurality of output pads of the chip on film, and a plurality of second test pads which are close to the plurality of input pads of the display panel and arranged at intervals. A gap between two adjacent first test pads of the chip on film overlaps a second test pad of the display panel such that the two adjacent first test pads of the chip on film are connected via the second test pad of the display panel.
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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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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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