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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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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：US20240395201A1
公开(公告)日：2024-11-28
申请号：US18272811
申请日：2022-07-29
Inventor： Zhidong YUAN , Yongqian LI , Can YUAN , Liu WU , Xiuting LIU , Luke DING , Cheng XU , Miao LIU , Xing YAO
IPC: G09G3/3233 , G11C19/28 , H10K59/131
Abstract: A display substrate and a display apparatus. The display substrate includes a display area provided with pixel circuits arranged in an array and a non-display area provided with M light emitting driving circuits, M control driving circuits and M reset driving circuits. Odd-numbered light emitting driving circuits are electrically connected with first and second light emitting clock signal lines, and even-numbered light emitting driving circuits are connected with third and fourth light emitting clock signal lines; and/or, odd-numbered control driving circuits are electrically connected with first and second control clock signal lines, and even-numbered control driving circuits are connected with third and fourth control clock signal lines; and/or, odd-numbered reset driving circuits are electrically connected with first and second reset clock signal lines, and even-numbered reset driving circuits are connected with third and fourth reset clock signal lines.
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公开(公告)号：US20240386845A1
公开(公告)日：2024-11-21
申请号：US18033589
申请日：2022-06-29
Inventor： Zhidong YUAN , Cheng XU , Dacheng ZHANG , Can YUAN , Xiuting LIU , Yongqian LI
IPC: G09G3/3233
Abstract: The present disclosure provides a signal selection circuit and a signal selection method of a display panel, and a display device. The display panel has N regions and includes pixel driving circuits and M gate driving circuits for providing M gate driving signals to the pixel driving circuits; each gate driving circuit includes N gate driving sub-circuits, each of which is configured to provide one gate driving signal to the pixel driving circuits in one region; M≥2, N≥2, and M and N are integers; the signal selection circuit includes: M frame start signal lines, each of which is configured to provide a frame start signal for one gate driving circuit; and a selection sub-circuit configured to output frame start signals written by the frame start signal lines to the gate driving sub-circuits corresponding to the regions of the display panel according to a preset sequence.
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Patent Agency Ranking
公开(公告)号：US20240321195A1
公开(公告)日：2024-09-26
申请号：US18257385
申请日：2022-06-24
IPC: G09G3/3225 , G02F1/1345 , G09G3/32 , G09G3/36 , H10K59/126 , H10K59/131
CPC classification number: G09G3/3225 , G02F1/13452 , G09G3/32 , G09G3/3648 , H10K59/126 , H10K59/131 , G09G2300/0426 , G09G2310/0291 , G09G2320/0219 , G09G2370/14
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：US20250120251A1
公开(公告)日：2025-04-10
申请号：US18565779
申请日：2022-11-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Changyen WU , Juanjuan YOU , Wei QUAN , Cheng XU , Dandan ZHOU
IPC: H10K50/19 , H10K59/131 , H10K59/32 , H10K101/40
Abstract: A light emitting diode, a display substrate and a display device. In the light emitting diode, the first light emitting structure includes a first hole transport layer, a first light emitting layer and a first electron transport layer; the second light emitting structure includes a second hole transport layer and a second light emitting layer, an absolute value of a first energy level difference between a LUMO energy level of the first light emitting layer and a LUMO energy level of the first electron transport layer is less than an absolute value of a second energy level difference between a HOMO energy level of the second light emitting layer and a HOMO energy level of the second hole transport layer.
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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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