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公开(公告)号：US20250124841A1
公开(公告)日：2025-04-17
申请号：US18291452
申请日：2023-03-31
Inventor： Can YUAN , Yongqian LI , Miao LIU , Dandan ZHOU , Cheng XU
IPC: G09G3/20
Abstract: A driving circuit includes a pull-up node control circuit, a pull-down node control circuit and an output circuit; the pull-up node control circuit controls a potential of the pull-up node under the control of an input signal and a reset signal; the output circuit controls the output terminal to output a signal under the control of the potential of the pull-up node and the potential of the pull-down node; a channel length of at least one transistor among at least some transistors included in the output circuit, at least some transistors whose gate electrodes are electrically connected to the input terminal included in the pull-up node control circuit, and at least some transistors whose gate electrodes are electrically connected to the reset terminal included in the pull-up node control circuit is greater than a channel length of another transistor included in the driving circuit.
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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：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：US20250014520A1
公开(公告)日：2025-01-09
申请号：US18272595
申请日：2022-07-28
Inventor： Zhidong YUAN , Yongqian LI , Can YUAN , Liu WU , Luke DING , Cheng XU , Miao LIU , Xing YAO
IPC: G09G3/3266 , G11C19/28
Abstract: Provided is a gate driver circuit. The gate driver circuit is applicable to a display panel, wherein the display panel includes a plurality of rows of pixels; the gate driver circuit including at least one gate driver sub-circuit; wherein the gate driver sub-circuit includes: at least two shift register groups, wherein each shift register group includes a plurality of shift register units; at least two first dummy units, wherein the at least two first dummy units are respectively coupled to a same input enable terminal and the at least two shift register groups; and at least two second dummy units, wherein the at least two second dummy units are coupled to the at least two shift register groups.
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Patent Agency Ranking
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：US20250095585A1
公开(公告)日：2025-03-20
申请号：US18294167
申请日：2022-09-26
Inventor： Yao ZHANG , Wenchao BAO , Xiaolong WEI , Miao LIU , Cheng XU , Qiang FEI
IPC: G09G3/3258 , G09G3/20
Abstract: A driving method and an apparatus, and a storage medium are provided. The driving method is applied to a pixel drive circuit, the pixel drive circuit including a drive transistor, the drive transistor including a second electrode and a third electrode; and the method includes: applying a data voltage acquired based on a reference gamma curve to the third electrode of the drive transistor, and applying a preset voltage to the second electrode of the drive transistor; a lowest voltage of the reference gamma curve is greater than a lowest voltage of a standard gamma curve, and the preset voltage is less than or equal to the lowest voltage of the reference gamma curve.
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公开(公告)号：US20250095523A1
公开(公告)日：2025-03-20
申请号：US18289120
申请日：2023-01-06
Inventor： Song MENG , Wenchao BAO , Cheng XU , Miao LIU
IPC: G09G3/00 , G09G3/20 , G09G3/3233
Abstract: Embodiments of the present disclosure provide a compensating method and apparatus for a display panel, and a display device. The method includes: acquiring sensing voltages of a target sub-pixel and a sub-pixel set, where the sub-pixel set includes a plurality of first sub-pixels, and the first sub-pixels are disposed within a set range around the target sub-pixel and have the same color as the target sub-pixel; determining, based on the sensing voltages of the target sub-pixel and the sub-pixel set, whether the target sub-pixel belongs to a defective pixel; replacing the sensing voltage of the target sub-pixel by a sensing voltage of a normal pixel in the sub-pixel set if the target sub-pixel belongs to the defective pixel; and electrically compensating the target sub-pixel based on the replaced sensing voltage.
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公开(公告)号：US20240395205A1
公开(公告)日：2024-11-28
申请号：US18693528
申请日：2023-08-02
Inventor： Jian MAO , Song MENG , Xiaolong WEI , Miao LIU , Cheng XU
IPC: G09G3/3233 , G09G3/00
Abstract: The display panel includes a plurality of pixel units and a sense compensation circuit; and a pixel unit includes a plurality of sub-pixels; a sub-pixel includes a pixel drive circuit and an element to be driven; the display panel further includes: a detection unit and a compensator; the sense compensation circuit is configured to sense the electrical characteristics of said element at a non-active time; the detection unit is configured to detect whether dynamic and static attributes of a picture displayed in a previous preset time period are changed, and send a first notification to the compensator when the dynamic and static attributes are changed; the compensator is configured to receive the first notification and not, according to the sense result of the sense compensation circuit in the previous preset time period, compensate for a picture displayed in a next preset time period.
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公开(公告)号：US20250095545A1
公开(公告)日：2025-03-20
申请号：US18566669
申请日：2023-01-05
Inventor： Pengfei YIN , Min HE , Miao LIU , Cheng XU
IPC: G09G3/32 , G09G3/3258
Abstract: A method for compensating a display panel includes: acquiring a first detection data set, the first detection data set including first detection data of the plurality of sub-pixel units; acquiring pre-stored position information of abnormal sub-pixel units, the position information being used to indicate positions of sub-pixel units whose display are abnormal; replacing first detection data of a first abnormal sub-pixel unit in the first detection data set based on first detection data of a target sub-pixel unit, so as to acquire a second detection data set, the target sub-pixel unit being at least one normal sub-pixel unit adjacent to the first abnormal sub-pixel unit among the plurality of sub-pixel units, and the first abnormal sub-pixel unit being any of the sub-pixel units indicated by the position information; and compensating data voltages of the plurality of sub-pixel units according to the second detection data set.
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