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公开(公告)号：US12293712B2
公开(公告)日：2025-05-06
申请号：US18026913
申请日：2022-04-22
IPC: G09G3/3233 , G09G3/3266 , G09G3/3291
Abstract: A pixel circuit and a driving method thereof, a display panel, and display device are disclosed. The pixel circuit includes a data writing circuit, a driving circuit, and a compensation circuit. The compensation circuit is connected to a control terminal, a first terminal, and a second terminal of the driving circuit, and is configured to write a compensation voltage based on a first reset voltage into the control terminal of the driving circuit; the data writing circuit is connected to the control terminal of the driving circuit and is configured to write a coupling voltage based on a data voltage into the control terminal of the driving circuit; and the driving circuit is configured to control a driving current for driving a light-emitting element to emit light under control of a voltage applied to the control terminal of the driving circuit.
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公开(公告)号：US12274145B2
公开(公告)日：2025-04-08
申请号：US18466129
申请日：2023-09-13
Inventor： Yanqiu Zhao , Yao Huang , Yue Long , Benlian Wang , Weiyun Huang
IPC: H10K59/35 , H10K59/131
Abstract: Disclosed in the embodiments of the present disclosure are a display panel and a display device. The display panel includes: a display area and a peripheral area surrounding the display area, the display area includes a first display area and a second display area; a plurality of virtual pixel circuits and a plurality of drive pixel circuits, the plurality of virtual pixel circuits are arranged in the peripheral area, and the plurality of drive pixel circuits are arranged in the second display area; the plurality of first light emitting devices are arranged in the first display area, and the plurality of second light emitting devices are arranged in the second display area; the virtual pixel circuit is electrically connected with the first light emitting device, and the drive pixel circuit is electrically connected with the second light emitting device.
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公开(公告)号：US12262600B2
公开(公告)日：2025-03-25
申请号：US17636655
申请日：2021-03-31
Inventor： Zhi Wang , Yue Long , Weiyun Huang , Yao Huang , Benlian Wang , Lili Du , Yudiao Cheng , Bo Shi
IPC: H10K59/126 , H10K59/12 , H10K59/123 , H10K59/131
Abstract: The present application discloses a display panel, a display device and a method for manufacturing a display panel. The display panel includes a first display area, including a plurality of first light emitting units and a first driving layer for driving the plurality of first light emitting units, and a second display area, at least partially surrounded by the first display area, and making ambient light at least partially transmitted. The first driving layer includes a first light shielding pattern, the first light shielding pattern at least partially surrounding the second display area and including a hollow structure which exposes at least part of the second display area.
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公开(公告)号：US20250078943A1
公开(公告)日：2025-03-06
申请号：US18576414
申请日：2023-05-24
Inventor： Jingwen Zhang , Yao Huang , Binyan Wang
IPC: G11C19/28 , G09G3/3266 , H10K59/12 , H10K59/126
Abstract: This disclosure provides a shift register, drive circuit, drive method, display panel, and display apparatus. The shift register includes an input unit, a first control unit, an output unit and an isolation unit, wherein the input unit provides a starting signal of a signal input terminal to a first node, and provides a first signal of a first signal terminal to a second node, so that under control of the second node and a second clock signal terminal, the first control unit provides a second clock signal of the second clock signal terminal to a third node; under control of the third node, the isolation unit provides a voltage signal of the first node to a fourth node; and under control of the fourth node and the third node, the output unit outputs based on the first signal or a second signal of the second signal terminal.
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公开(公告)号：US12236866B2
公开(公告)日：2025-02-25
申请号：US17788727
申请日：2021-07-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiyu Zhao , Libin Liu , Yu Feng , Li Wang , Yao Huang , Benlian Wang , Weiyun Huang , Rui Wang
IPC: G09G3/3233 , G09G3/3225 , G09G3/3266 , G09G3/3275 , G09G3/3291 , H10K59/121 , H10K59/126
Abstract: A pixel circuit, a driving method and a display device. The pixel circuit includes a driving circuit, a first initialization circuit and a reset circuit; the first initialization circuit configured to write a first initial voltage into the first end of the driving circuit under the control of an initialization control signal; the reset circuit is configured to write a reset voltage into the second end of the driving circuit or the first end of the driving circuit under the control of a second scan signal; the driving circuit is configured to control to connect the first end of the driving circuit and the second end of the driving circuit under the control of a potential of a control end of the driving circuit.
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Patent Agency Ranking
公开(公告)号：US12232380B2
公开(公告)日：2025-02-18
申请号：US18390381
申请日：2023-12-20
Inventor： Weiyun Huang , Yao Huang , Chi Yu , Xingliang Xiao , Bo Shi , Benlian Wang
IPC: G09G3/3233 , H10K59/126 , H10K59/131 , H10K59/35 , H10K59/88
Abstract: A display substrate and a display device are provided. The display substrate includes a display region, at least one first signal line, and at least one connecting wire. The display region includes a first display region and a second display region; the first display region includes at least one first light emitting element, and the second display region includes at least one first pixel circuit; the first signal line includes a first main body portion and a first winding portion; the first main body portion extends along a first direction, and at least part of the first winding portion extends along a direction intersecting with the first direction; at least one first signal line is electrically connected to at least one first pixel circuit; and at least one first pixel circuit is configured to respectively drive at least one first light emitting element.
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公开(公告)号：US12217675B2
公开(公告)日：2025-02-04
申请号：US17791814
申请日：2021-04-30
Inventor： Yuanyou Qiu , Yao Huang , Qiwei Wang
IPC: G09G3/3233 , H10K59/131
Abstract: A display substrate and a display device are provided. The display substrate includes a first display region and a first region at least partially surrounding the first display region; the first display region includes first light-emitting elements, the first region includes first pixel circuits and at least one first capacitance compensation structure, and the display substrate includes transparent wiring lines extending from the first region to the first display region; the first pixel circuit is electrically connected to the first light-emitting element through the transparent wiring line, and is configured to control a driving current flowing through the first pixel circuit, the transparent wiring line, and the first light-emitting element; and the first capacitance compensation structure is coupled to the transparent wiring line, and is configured to compensate for a parasitic capacitance caused by the transparent wiring line coupled to the first capacitance compensation structure.
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公开(公告)号：US12207528B2
公开(公告)日：2025-01-21
申请号：US18240877
申请日：2023-08-31
Inventor： Yao Huang , Yuanyou Qiu , Qian Wang
IPC: H10K59/88 , G09G3/3233 , H10K59/131
Abstract: A display panel having a light-transmitting region, at least one first region and a second region includes sub-pixels disposed in the at least one first region and the second region, second light-emitting devices disposed in the light-transmitting region, data lines and first transistors. The data lines include first and second data lines. A first data line is electrically connected to pixel driving circuits in a column of sub-pixels including at least one dummy sub-pixel, and a second data line is electrically connected to pixel driving circuits in a column of sub-pixels in the second region and located in a same column as a column of second light-emitting devices. A second light-emitting device in the column of second light-emitting devices is electrically connected to a pixel driving circuit connected to the first data line. The first data line is electrically connected to the second data line through a first transistor.
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公开(公告)号：US12100350B2
公开(公告)日：2024-09-24
申请号：US17916206
申请日：2021-05-06
Inventor： Linhong Han , Qiwei Wang , Youngyik Ko , Benlian Wang , Weiyun Huang , Binyan Wang , Yao Huang , Zhi Wang
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2300/0842 , G09G2310/0262 , G09G2310/08
Abstract: A display substrate and a display device are provided. In the display substrate, a first signal line transmitting a first scan signal extends along a first direction and a second signal line transmitting a data signal extends along a second direction; the data writing transistor transmits the data signal to the driving transistor under control of the first scan signal, the first scan signal is transmitted on the first signal line, and the data signal is transmitted on the second signal line; the driving transistor controls magnitude of a driving current according to the data signal; the channel region at least partially overlaps with the gate electrode; a planar shape of the channel region of the driving transistor is a strip shape extending along the second direction; the light emitting device receives the driving current and is driven by the driving current to emit light.
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公开(公告)号：US12075667B2
公开(公告)日：2024-08-27
申请号：US17418784
申请日：2020-11-18
Inventor： Lili Du , Benlian Wang , Yuanjie Xu , Yue Long , Yao Huang
IPC: H10K59/131 , H10K59/121 , H10K71/00 , H10K59/12 , H10K59/124
CPC classification number: H10K59/131 , H10K59/1213 , H10K59/1216 , H10K71/00 , H10K59/1201 , H10K59/124
Abstract: A display substrate, a manufacturing method thereof and a display device. In a plane parallel to the display substrate, the display substrate includes a plurality of sub-pixels, at least one sub-pixel includes a pixel driving circuit and a light emitting device connected to the pixel driving circuit, the pixel driving circuit at least includes a storage capacitor, a driving transistor and at least one switching transistor; in a plane perpendicular to the display substrate, the display substrate includes a semiconductor layer and a plurality of conductive layers; and a gate electrode of the driving transistor and a gate electrode of the at least one switching transistor are arranged on different conductive layers respectively.
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