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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：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：US20250037656A1
公开(公告)日：2025-01-30
申请号：US18914068
申请日：2024-10-12
Inventor： Zhidong YUAN , Yongqian LI , Dacheng ZHANG , Jingbo XU , Can YUAN
IPC: G09G3/3233
Abstract: A display substrate includes an underlay substrate and a plurality of pixel unit groups. The plurality of pixel unit groups are located in a display region of the underlay substrate. At least one pixel unit group includes a plurality of sub-pixel groups, wherein at least one sub-pixel group includes a pixel circuit. The pixel circuit includes a first sub-pixel circuit, a second sub-pixel circuit, and a light emitting control sub-circuit. The first sub-pixel circuit and the second sub-pixel circuit are both electrically connected to the light emitting control sub-circuit. The light emitting control sub-circuit is configured to control a first light emitting element electrically connected to the first sub-pixel circuit to emit light, and to control a second light emitting element electrically connected to the second sub-pixel circuit to emit light.
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公开(公告)号：US20240321195A1
公开(公告)日：2024-09-26
申请号：US18257385
申请日：2022-06-24
IPC: G09G3/3225 , G02F1/1345 , G09G3/32 , G09G3/36 , H10K59/126 , H10K59/131
CPC classification number: G09G3/3225 , G02F1/13452 , G09G3/32 , G09G3/3648 , H10K59/126 , H10K59/131 , G09G2300/0426 , G09G2310/0291 , G09G2320/0219 , G09G2370/14
Abstract: A display module includes a display panel, at least one bonding circuit board, a plurality of chip-on-films, and a plurality of buffer devices. The at least one bonding circuit board each include first differential lines, and a first differential line includes a P-polarity differential sub-line and an N-polarity differential sub-line. An end of a chip-on-film is connected to the first differential line, and the other end of the chip-on-film is connected to the display panel. The buffer devices are arranged on the bonding circuit board, a buffer device is connected to ends, proximate to the chip-on-film, of the P-polarity differential sub-line and the N-polarity differential sub-line, and the buffer device is configured to reduce signal reflection between the first differential line and the chip-on-film.
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Patent Agency Ranking
公开(公告)号：US20240161691A1
公开(公告)日：2024-05-16
申请号：US17779576
申请日：2021-07-21
Inventor： Zhidong YUAN , Yongqian LI , Dacheng ZHANG , Jingbo XU , Can YUAN
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2300/0426 , G09G2300/0852 , G09G2330/021
Abstract: A display substrate includes an underlay substrate and a plurality of pixel unit groups. The plurality of pixel unit groups are located in a display region of the underlay substrate. At least one pixel unit group includes a plurality of sub-pixel groups, wherein at least one sub-pixel group includes a pixel circuit. The pixel circuit includes a first sub-pixel circuit, a second sub-pixel circuit, and a light emitting control sub-circuit. The first sub-pixel circuit and the second sub-pixel circuit are both electrically connected to the light emitting control sub-circuit. The light emitting control sub-circuit is configured to control a first light emitting element electrically connected to the first sub-pixel circuit to emit light, and to control a second light emitting element electrically connected to the second sub-pixel circuit to emit light.
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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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公开(公告)号：US20230025310A1
公开(公告)日：2023-01-26
申请号：US17780626
申请日：2021-07-21
Inventor： Xuehuan FENG , Xing YAO , Jingbo XU , Xuelian CHENG
IPC: G09G3/20 , G09G3/3266
Abstract: Provided is a method for driving a display device, including n rows of sub-pixels; the method includes: driving the first frame of image, including: performing normal display driving on the n rows of sub-pixels in a display driving period, performing darkness insertion driving on a rows, from the 1st to ath rows, of sub-pixels in a first darkness insertion sub-period, and performing darkness insertion driving on (n−a) rows, from the (a+1)th to nth rows, of sub-pixels in a second darkness insertion sub-period driving a second frame of image, including: performing normal display driving on the n rows of sub-pixels in a display driving period, performing darkness insertion driving on b rows, from the 1st to bth rows, of sub-pixels in a first darkness insertion sub-period, and performing darkness insertion driving on (n−b) rows, from the (b+1)th to nth rows, of sub-pixels in a second darkness insertion sub-period.
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公开(公告)号：US20250006134A1
公开(公告)日：2025-01-02
申请号：US18277375
申请日：2022-07-25
Inventor： Xuehuan FENG , Jingbo XU , Xing YAO , Miao LIU
IPC: G09G3/3266 , G11C19/28
Abstract: There is provided a shift register unit, including: a sensing control circuit configured to write an active level signal provided by a sensing active level supply terminal to a first sensing control node in response to an active level signal provided by the random signal input terminal and an active level signal provided by a sensing signal input terminal; a first sensing input circuit configured to write an active level signal to a first pull-up node in response to an active level signal at the first sensing control node and an active level signal provided by a clock control signal input terminal; and a first driving output circuit configured to write a signal provided by a first driving clock signal input terminal to a first driving signal output terminal in response to an active level signal at the first pull-up node. Gate driving circuit and method are further disclosed.
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公开(公告)号：US20240221607A1
公开(公告)日：2024-07-04
申请号：US17922502
申请日：2021-09-08
Inventor： Huihui LI , Wenchao BAO , Song MENG , Jingbo XU
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2310/08 , G09G2320/0242 , G09G2320/0295 , G09G2320/0693 , G09G2330/10
Abstract: An image dis play method applied to a display apparatus includes: establishing a correspondence table between a threshold voltage of a sub-pixel and a compensation voltage, the correspondence table including at least one adjustment interval, an adjustment interval including a first and second threshold voltage endpoint values, the first threshold voltage endpoint value being less than the second threshold voltage endpoint value; acquiring a threshold voltage of each sub-pixel; determining an adjustment interval in which the acquired threshold voltage is located according to the corresponding table; acquiring a compensation voltage corresponding to the acquired threshold voltage according to the correspondence table and the determined adjustment interval; and determining, in a case where the display apparatus is to display a black image, a data voltage required by each sub-pixel according to the acquired threshold voltage and the acquired compensation voltage.
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