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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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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：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：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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Patent Agency Ranking
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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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：US20250095547A1
公开(公告)日：2025-03-20
申请号：US18576548
申请日：2022-12-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ying HAN , Pan XU , Xing ZHANG , Chengyuan LUO , Guangshuang LV , Donghui ZHAO , Cheng XU
IPC: G09G3/32 , G09G3/3233
Abstract: Provided are a display substrate and a display device. The display substrate includes a base substrate and a plurality of sub-pixels, the sub-pixel includes a pixel circuit and a light-emitting element, the pixel circuit is configured to drive the light-emitting element, and the light-emitting element includes a first electrode, a second electrode, and a light-emitting functional layer located therebetween; the pixel circuit includes a driving transistor, and the first electrode of the light-emitting element is electrically connected to a first electrode of the driving transistor; the plurality of sub-pixels include a first sub-pixel and a second sub-pixel, the first sub-pixel is adjacent to the second sub-pixel, and an orthographic projection of the first electrode of the light-emitting element of the first sub-pixel on the base substrate does not overlap an orthographic projection of the pixel circuit of the second sub-pixel on the base substrate.
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公开(公告)号：US20250081740A1
公开(公告)日：2025-03-06
申请号：US18555905
申请日：2023-02-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Wei QUAN , Juanjuan YOU , Bin BO , Cheng XU
IPC: H10K59/122 , H10K59/12 , H10K59/173
Abstract: A display substrate is provided and includes a base substrate; a plurality of sub-pixels, a pixel-defining pattern, and a first filling structure. The sub-pixels are on the base substrate, each of at least part of the plurality of sub-pixels includes a light-emitting element, the pixel-defining pattern includes a plurality of openings and a defining portion that surrounds the plurality of openings, the defining portion includes at least one cavity surrounding at least one opening, and the first filling structure is in the cavity, and a surface, away from the base substrate, of the first filling structure is farther away from the base substrate than a surface, away from the base substrate, of at least a portion of the light-emitting functional layer in the opening.
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