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公开(公告)号：US20250078746A1
公开(公告)日：2025-03-06
申请号：US18287305
申请日：2023-01-06
Inventor： Yao ZHANG , Wenchao BAO , Song MENG , Xiaolong WEI , Miao LIU , Cheng XU
IPC: G09G3/3233
Abstract: Provided is a method for sensing pixel internal data in a display device. The method includes: sensing pixel internal data for each line of pixel units to determine column sequence numbers of suspected abnormal pixel units in the line of pixel units; determining, based on a number of the suspected abnormal pixel units of each column sequence number in the at least three lines of pixel units, whether a sensing signal line corresponding to the column sequence number is an abnormal sensing signal line; and in a case that there is at least one abnormal sensing signal line, replacing pixel internal data of a column of pixel units corresponding to each abnormal sensing signal line with pixel internal data of at least one column of pixel units adjacent to the abnormal sensing signal line each time the pixel internal data of all pixel units is sensed.
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公开(公告)号：US20240363050A1
公开(公告)日：2024-10-31
申请号：US18029107
申请日：2022-06-29
IPC: G09G3/20 , G09G3/3233
CPC classification number: G09G3/2092 , G09G3/3233 , G09G2300/0842 , G09G2320/0257 , G09G2320/045
Abstract: Provided are a timing controller, sensing compensation method thereof, and display panel. The timing controller includes a sensing module (501), a built-in picture generation module (502), a multi-channel data selection module (503) and a processing output module (504). The sensing module is configured to sense whether a sensing compensation instruction is received, when received, notify built-in picture generation module and multi-channel data selection module; built-in picture generation module is configured to receive a notification and generate a first video signal; multi-channel data selection module is configured to receive a notification, switch from a display mode to a built-in picture mode, select first video signal as a video source, output first video signal to processing output module; processing output module is configured to process first video signal and output processed first video signal to the display panel so that the display panel performs sensing compensation based on the first video signal.
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公开(公告)号：US20240321198A1
公开(公告)日：2024-09-26
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
CPC classification number: G09G3/3233 , G09G3/2096 , G09G2300/0819 , G09G2300/0842 , G09G2320/103
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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公开(公告)号：US20230274695A1
公开(公告)日：2023-08-31
申请号：US18313457
申请日：2023-05-08
Inventor： Song MENG , Xuehuan Feng
IPC: G09G3/3225
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：US20210097933A1
公开(公告)日：2021-04-01
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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Patent Agency Ranking
公开(公告)号：US20250095564A1
公开(公告)日：2025-03-20
申请号：US18288577
申请日：2022-11-25
Inventor： Xuehuan FENG , Song MENG
IPC: G09G3/3225
Abstract: Provided is a display device. The display device includes: a display panel and a control assembly; wherein the display panel includes a base substrate, a plurality of first color light-emitting units, and a sensing unit, wherein the sensing unit is electrically connected to the plurality of first color light-emitting units to acquire a plurality of sensing values; the control assembly is electrically connected to the sensing unit, and configured to acquire a plurality of rearranged sensing values by rearranging the plurality of sensing values; and the control assembly is further configured to adjust the plurality of first color light-emitting units in the display panel based on the plurality of rearranged sensing values.
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公开(公告)号：US20250095524A1
公开(公告)日：2025-03-20
申请号：US18557312
申请日：2022-10-27
IPC: G09G3/00 , G09G3/32 , G09G3/3266 , G09G3/3275
Abstract: A display module includes sub-pixels, data lines, a source driving circuit and a processor. Each sub-pixel includes light-emitting sub-units each including a pixel circuit and at least one light-emitting device. A data line is electrically connected to a sub-pixel. The source driving circuit is electrically connected to the data line. The source driving circuit is configured to output a first or second data signal to the sub-pixel through the data line. The processor is configured to: determine location information of a target sub-pixel; and control, according to the location information, the source driving circuit to output the second data signal to the target sub-pixel, so that a brightness of the target sub-pixel is substantially the same as that of a non-target sub-pixel.
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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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公开(公告)号：US20240169907A1
公开(公告)日：2024-05-23
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
CPC classification number: G09G3/3233 , G09G3/2096 , G09G2300/0842 , G09G2320/0233 , G09G2320/0257 , G09G2320/043
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：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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