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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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2.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：US11682347B2
公开(公告)日：2023-06-20
申请号：US17361549
申请日：2021-06-29
Inventor： Song Meng , Xuehuan Feng
IPC: G09G3/3225 , G09G3/3233
CPC classification number: G09G3/3225 , G09G2300/0819 , G09G2310/08
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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公开(公告)号：US11295667B2
公开(公告)日：2022-04-05
申请号：US16916147
申请日：2020-06-30
Inventor： Zhidong Yuan , Yongqian Li , Song Meng , Can Yuan
IPC: G09G3/3233 , G09G3/3266 , G09G3/3291
Abstract: Provided are a pixel structure, a display panel and a control method thereof. The pixel structure includes four sub-pixel units, wherein the i-th sub-pixel unit includes: an i-th element to be driven and an i-th drive circuit, 1≤i≤4, and the i-th drive circuit is respectively connected with an M-th data line and an N-th scanning line, and is configured to drive the i-th element to be driven according to a data signal of the M-th data line under control of the N-th scanning line, M = { 1 , 1 ≤ i ≤ 2 2 , 3 ≤ i ≤ 4 , N = { 1 , 2 ≤ i ≤ 3 2 , i is 1 or 4 .
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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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Patent Agency Ranking
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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公开(公告)号：US11074868B2
公开(公告)日：2021-07-27
申请号：US16823680
申请日：2020-03-19
Inventor： Zhidong Yuan , Yongqian Li , Can Yuan , Song Meng
IPC: G09G3/325 , G09G3/3291 , G09G3/3266
Abstract: Embodiments of the present disclosure provide a pixel circuit, a display panel, and a display device. The pixel circuit includes: a first transistor; a light emitting unit, a cathode being grounded; a second transistor; a third transistor; a fourth transistor; and a capacitor, a first terminal being coupled to the control electrode of the third transistor, and a second terminal being coupled to the second electrode of the third transistor.
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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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公开(公告)号：US20210049968A1
公开(公告)日：2021-02-18
申请号：US16823680
申请日：2020-03-19
Inventor： Zhidong Yuan , Yongqian Li , Can Yuan , Song Meng
IPC: G09G3/3291 , G09G3/3266
Abstract: Embodiments of the present disclosure provide a pixel circuit, a display panel, and a display device. The pixel circuit includes: a first transistor; a light emitting unit, a cathode being grounded; a second transistor; a third transistor; a fourth transistor; and a capacitor, a first terminal being coupled to the control electrode of the third transistor, and a second terminal being coupled to the second electrode of the third transistor.
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