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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：US20250087155A1
公开(公告)日：2025-03-13
申请号：US18576254
申请日：2022-12-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pan XU , Miao LIU , Xing YAO , Dandan ZHOU , Cheng XU
IPC: G09G3/3233 , H10K59/121 , H10K59/122 , H10K59/131
Abstract: Provided are a display substrate and a driving method thereof. The display substrate includes a first storage circuit and a second storage circuit, a first terminal of the first storage circuit being electrically connected to the control terminal of the driving circuit, a second terminal of the first storage circuit being electrically connected to the first terminal of the driving circuit, and the first storage circuit being configured to store the data signal; a first terminal of the second storage circuit being electrically connected to the first electrode of the light-emitting element and a second terminal of the second storage circuit being electrically connected to a second electrode of the light-emitting element.
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公开(公告)号：US20250078749A1
公开(公告)日：2025-03-06
申请号：US18558143
申请日：2022-11-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ying HAN , Pan XU , Xing ZHANG , Chengyuan LUO , Donghui ZHAO , Guangshuang LV , Cheng XU
IPC: G09G3/3233
Abstract: Pixel circuit, driving method, display substrate, panel and device are disclosed. The pixel circuit includes light-emitting element, and pixel driving circuit including driving circuit, data writing circuit and compensation control circuit; the data writing circuit writes data voltage into control end of driving circuit under control of write control signal in data writing phase; the compensation control circuit writes reference voltage into the control end of driving circuit under control of compensation control signal in compensation phase; the driving circuit is electrically connected to the light-emitting element, and is configured to drive the light-emitting element; the data writing phase does not overlap with the compensation phase. The threshold voltage compensation process does not occupy data writing time in timing, potential of source electrode of the driving transistor included in the driving circuit can be charged to theoretical target potential, which is applicable to display products with high refresh rate.
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公开(公告)号：US20250008790A1
公开(公告)日：2025-01-02
申请号：US18277228
申请日：2022-11-30
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xing ZHANG , Pan XU , Ying HAN , Chengyuan LUO , Donghui ZHAO , Guangshuang LV , Cheng XU
IPC: H10K59/131
Abstract: A display panel and a display apparatus are provided, the display panel includes a substrate and a drive circuit layer, the drive circuit layer includes a pixel drive circuit (PE) and a first scan signal line (G1), the pixel drive circuit is electrically connected with the first scan signal line (G1), and the first scan signal lines (G1) connected with adjacent rows of pixel drive circuits are electrically isolated; the drive circuit layer further includes a first signal line located in a non-display region (AA′) and a second signal line corresponding to the first signal line, the first signal line is configured to supply a signal to the first scan signal line (G1), an orthographic projection of the first signal line on the substrate at least partially overlaps an orthographic projection of the corresponding second signal line on the substrate.
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Patent Agency Ranking
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：US20240276772A1
公开(公告)日：2024-08-15
申请号：US18020301
申请日：2022-06-29
Inventor： Cheng XU
IPC: H10K59/122 , H10K59/121 , H10K59/80
CPC classification number: H10K59/122 , H10K59/1213 , H10K59/80517 , H10K59/873
Abstract: A display substrate and a display device. The display substrate includes a driving substrate, an anode layer, a pixel definition layer, a light emitting functional layer, a cathode layer and an encapsulation layer; the driving circuit includes at least one transistor, the at least one transistor includes a semiconductor layer, the anode layer includes a plurality of anodes, the display substrate includes a plurality of pixel openings; the plurality of pixel openings are configured to at least overlap with the plurality of anodes; each of the anodes includes a main body portion and a protrusion portion, the protrusion portion is connected with the main body portion; the light emitting functional layer includes a plurality of light emitting portions which are arranged in contact with the main body portions of the plurality of anodes.
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公开(公告)号：US20230337466A1
公开(公告)日：2023-10-19
申请号：US17764706
申请日：2021-03-30
Inventor： Leilei CHENG , Cheng XU , Jie LIU , Chunjie XU
IPC: H10K59/121 , H10K59/131 , H10K59/12 , H10K59/80
CPC classification number: H10K59/1213 , H10K59/1201 , H10K59/1216 , H10K59/1315 , H10K59/8792
Abstract: A display substrate and a manufacture method thereof, and a display apparatus are provided. The base substrate includes a base substrate, the base substrate is provided with a plurality of pixels in an array, one pixel includes a plurality of sub-pixels, each sub-pixel includes a light-emitting device and a pixel circuit driving the light-emitting device to emit light, and the pixel circuit includes a storage capacitor, a driving transistor and a data writing transistor; the first electrode of the driving transistor receives a first power voltage; the second electrode of the driving transistor is connected to the light-emitting device; at least part of the plurality of sub-pixels includes a first via hole, and the first electrode of the data writing transistor is electrically connected to the gate electrode of the driving transistor and the active layer of the data writing transistor through the first via hole.
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公开(公告)号：US20250104646A1
公开(公告)日：2025-03-27
申请号：US18558905
申请日：2023-01-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Chengyuan LUO , Pan XU , Ying HAN , Xing ZHANG , Donghui ZHAO , Guangshuang LV , Cheng XU , Xing YAO , Dandan ZHOU , Miao LIU
IPC: G09G3/3266
Abstract: A driving circuit, a driving module, a driving method, a display substrate and a display device are provided. The driving circuit includes a first leakage prevention circuit, an output circuit and a first control node control circuit; the first leakage prevention circuit is configured to control to connect or disconnect the first control node, the first node and the first intermediate node under the control of a first voltage signal provided by the first voltage line according to a potential of the first intermediate node, control to connect or disconnect the first intermediate node and the second voltage line under the control of the potential of the first node, and control to disconnect the first control node and the first node when the first intermediate node and the second voltage line is connected.
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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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