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公开(公告)号：US12062318B2
公开(公告)日：2024-08-13
申请号：US17766696
申请日：2021-06-29
IPC: G09G3/20 , G09G3/3233
CPC classification number: G09G3/2096 , G09G3/2074 , G09G3/3233 , G09G2300/0842 , G09G2320/0233 , G09G2360/16
Abstract: A method for driving a display panel is provided. The method includes receiving image data of a frame of image, the image data including a plurality of initial grayscale values respectively for a plurality of subpixels in the display panel; and converting the image data into a converted image data including a plurality of converted grayscale values respectively for the plurality of subpixels. Converting the image data includes compensating a respective initial grayscale value for a respective subpixel by at least a respective delay-compensating factor to obtain a respective converted grayscale value. With respect to a p-th subpixel and a q-th subpixel respectively connected to a respective data line and having a same initial grayscale values, a p-th delay-compensating factor for the p-th subpixel is greater than a q-th delay-compensating factor for the q-th subpixel.
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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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3.发明公开公开(公告)号：US20240071284A1
公开(公告)日：2024-02-29
申请号：US17766696
申请日：2021-06-29
IPC: G09G3/20 , G09G3/3233
CPC classification number: G09G3/2096 , G09G3/2074 , G09G3/3233 , G09G2300/0842 , G09G2320/0233 , G09G2360/16
Abstract: A method for driving a display panel is provided. The method includes receiving image data of a frame of image, the image data including a plurality of initial grayscale values respectively for a plurality of subpixels in the display panel; and converting the image data into a converted image data including a plurality of converted grayscale values respectively for the plurality of subpixels. Converting the image data includes compensating a respective initial grayscale value for a respective subpixel by at least a respective delay-compensating factor to obtain a respective converted grayscale value. With respect to a p-th subpixel and a q-th subpixel respectively connected to a respective data line and having a same initial grayscale values, a p-th delay-compensating factor for the p-th subpixel is greater than a q-th delay-compensating factor for the q-th subpixel.
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公开(公告)号：US12211426B2
公开(公告)日：2025-01-28
申请号：US17922502
申请日：2021-09-08
Inventor： Huihui Li , Wenchao Bao , Song Meng , Jingbo Xu
IPC: G09G3/32
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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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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Patent Agency Ranking
公开(公告)号：US11699382B2
公开(公告)日：2023-07-11
申请号：US17780626
申请日：2021-07-21
Inventor： Xuehuan Feng , Xing Yao , Jingbo Xu , Xuelian Cheng
IPC: G09G3/3266 , G09G3/20
CPC classification number: G09G3/2074 , G09G3/3266 , G09G2300/0443 , G09G2310/061 , G09G2310/08 , G09G2320/0257
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：US12288516B2
公开(公告)日：2025-04-29
申请号：US18257385
申请日：2022-06-24
IPC: G09G3/3225 , G02F1/1345 , G09G3/32 , G09G3/36 , H10K59/126 , H10K59/131
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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公开(公告)号：US12183278B2
公开(公告)日：2024-12-31
申请号：US17779576
申请日：2021-07-21
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：US12148374B2
公开(公告)日：2024-11-19
申请号：US17779141
申请日：2021-07-21
Inventor： Xiaolong Wei , Song Meng , Jingbo Xu , Pan Li , Wenchao Bao
IPC: G09G3/3233 , G09G3/20
Abstract: A control device includes a memory and a processor. The memory is configured to store a time comparison table. The processor is configured to determine whether a displayed image is a still image. When the displayed image is determined to be a still image, the time comparison table is queried for a corresponding still image judgment duration according to an average pixel level and a type of the still image.
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公开(公告)号：US12087235B2
公开(公告)日：2024-09-10
申请号：US17781776
申请日：2021-05-28
Inventor： Song Meng , Jingbo Xu , Jianbo Xian
IPC: G09G5/10 , G09G3/3233 , G09G3/3275
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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