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公开(公告)号：US20250006805A1
公开(公告)日：2025-01-02
申请号：US18278629
申请日：2022-08-29
Inventor： Yan LIU , Xiaoyuan WANG , Hui GUO , Chen XU , Guodong YANG , Bin WAN , Junming CHEN , Zhongshan WU , Xun PU
IPC: H01L29/417 , G09G3/20 , G11C19/28 , H01L29/66
Abstract: Provided is a thin film transistor unit. The thin film transistor unit includes a first gate, a first gate insulating layer, a first semiconductor layer and a first source/drain electrode layer that are sequentially arranged on a substrate, wherein the first source/drain electrode layer includes a first source and a first drain that are spaced apart from each other along a first direction; and a floating electrode disposed on a side of the first semiconductor layer away from the first gate insulating layer, wherein in the first direction, an orthographic projection of the floating electrode on the substrate falls between an orthographic projection of the first source on the substrate and an orthographic projection of the first drain on the substrate.
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公开(公告)号：US20240237404A9
公开(公告)日：2024-07-11
申请号：US18476687
申请日：2023-09-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dachao LI , Shengji YANG , Chen XU
IPC: H10K59/121 , G09G3/3233 , H10K59/131 , H10K71/00
CPC classification number: H10K59/1213 , G09G3/3233 , H10K59/131 , H10K71/00 , G09G2300/0426 , G09G2330/021 , H10K59/1201
Abstract: A display device and a manufacturing method thereof are disclosed. The display device includes a base substrate and at least one pixel circuit provided on the base substrate, and the pixel circuit includes a driving transistor, a first transistor, and a second transistor; the driving transistor includes a control electrode, a first electrode, and a second electrode; the first transistor includes a first active region, the second transistor includes a second active region, the driving transistor includes a fourth active region, at least one of a doping concentration of the first active region and a doping concentration of the second active region is greater than a doping concentration of the fourth active region.
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公开(公告)号：US20230127411A1
公开(公告)日：2023-04-27
申请号：US18052653
申请日：2022-11-04
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Lang LIU , Jingquan WANG , Chen XU
IPC: H10K59/131 , G06F3/041 , H10K59/40 , H10K59/65 , H10K59/122 , H10K59/121 , H10K77/10 , H10K50/844
Abstract: A display panel and a display device are provided. The display panel includes a base substrate, a plurality of pixel drive circuit units, n first signal lines, a touch layer, and a light emitting element. A distance between first extending portions of two adjacent first signal lines is greater than a distance between first bending portions of the two adjacent first signal lines. An orthogonal projection overlap area between the first connecting portion and first extending portions of the n first signal lines is S1, and an orthogonal projection overlap area between the first connecting portion and first bending portions of the n first signal lines is S2. S1≥S2. A length of a first extending portion of at least one first signal line is L1, a distance between the first extending portion of at least one first signal line and the second electrode is H1, and H1≥(S1/n)/L1.
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公开(公告)号：US20230115948A1
公开(公告)日：2023-04-13
申请号：US17914929
申请日：2021-02-02
Applicant: BOE Technology Group Co., Ltd.
Inventor： Pan XU , Yongqian LI , Yicheng LIN , Ling WANG , Guoying WANG , Xing ZHANG , Ying HAN , Dacheng ZHANG , Lang LIU , Chen XU
IPC: H10K59/126 , H10K71/00
Abstract: The present disclosure provides an array substrate, a display panel, a display device and a manufacturing method, for solving the problems in the prior art that the array substrate is larger in number of circuits, the area needed for punching is larger, and the high pixel resolution cannot be achieved easily. The array substrate comprises: an interlayer dielectric layer located at the side of the active layer distant from the buffer layer, the interlayer dielectric layer being provided with a via hole, the via hole comprising a first part and a second part, the orthographic projection of the first part on the base substrate being in contact with the orthographic projection of the second part on the base substrate, the first part of the via hole penetrating through the interlayer dielectric layer and the buffer layer and exposing part of the shading layer, and the second part penetrating through the interlayer dielectric layer and exposing at least part of the active layer; and a source/drain layer located at the side of the interlayer dielectric layer distant from the active layer.
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公开(公告)号：US20220310010A1
公开(公告)日：2022-09-29
申请号：US17293086
申请日：2020-09-14
Inventor： Hongfei CHENG , Xueguang HAO , Hui LI , Chen XU , Pan LI
IPC: G09G3/3233 , G09G3/3266 , H01L27/32
Abstract: A display substrate and a display device. The display substrate includes a base substrate and a plurality of sub-pixels, a first power line and an electrical connection layer on the base substrate. Each sub-pixel includes a pixel circuit, and a plurality of sub-pixels are arranged in a plurality of rows and a plurality of columns along a first direction and a second direction. The sub-pixel is electrically connected with the light-emitting element through the electrical connection layer, and the portion, which is in the display region of the display substrate, of the electrical connection layer is not overlapped with the first power line in a direction perpendicular to the base substrate.
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Patent Agency Ranking
公开(公告)号：US20220284857A1
公开(公告)日：2022-09-08
申请号：US17826664
申请日：2022-05-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dachao LI , Shengji YANG , Chen XU
IPC: G09G3/3233
Abstract: A display device and a manufacturing method thereof are disclosed. The display device includes a base substrate and at least one pixel circuit provided on the base substrate, and the pixel circuit includes a driving transistor, a first transistor, and a second transistor; the driving transistor includes a control electrode, a first electrode, and a second electrode; the first transistor includes a first active region, the second transistor includes a second active region, the driving transistor includes a fourth active region, at least one of a doping concentration of the first active region and a doping concentration of the second active region is greater than a doping concentration of the fourth active region.
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公开(公告)号：US20220115461A1
公开(公告)日：2022-04-14
申请号：US17265815
申请日：2020-07-15
Inventor： Chen XU , Xueguang HAO , Yong QIAO , Xinyin WU
IPC: H01L27/32
Abstract: There is provided a display substrate and a display device. The display substrate includes a first metal layer, a first insulating layer, a metal oxide layer, a second insulating layer and a second metal layer which are stacked; wherein the metal oxide layer comprises a first pattern, a second pattern and a capacitance pattern, the first metal layer comprises a first electrode plate, there is at least a first overlapping region between the first electrode plate and the capacitance pattern to form a first storage capacitor, the second metal layer comprises a second electrode plate, there is at least a second overlapping region between the second electrode plate on the base substrate and the capacitance pattern to form a second storage capacitor, and the first electrode plate and the second electrode plate have same potential.
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公开(公告)号：US20220069052A1
公开(公告)日：2022-03-03
申请号：US17363216
申请日：2021-06-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Lang LIU , Jingquan WANG , Chen XU
Abstract: A display panel and a display device are provided. The display panel includes a base substrate, a plurality of pixel drive circuit units, n first signal lines, a touch layer, and a light emitting element. A distance between first extending portions of two adjacent first signal lines is greater than a distance between first bending portions of the two adjacent first signal lines. An orthogonal projection overlap area between the first connecting portion and first extending portions of the n first signal lines is S1, and an orthogonal projection overlap area between the first connecting portion and first bending portions of the n first signal lines is S2. S1≥S2. A length of a first extending portion of at least one first signal line is L1, a distance between the first extending portion of at least one first signal line and the second electrode is H1, and H1≥(S1/n)/L1.
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公开(公告)号：US20220068212A1
公开(公告)日：2022-03-03
申请号：US17363639
申请日：2021-06-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xing YAO , Chen XU , Jingquan WANG , Xinyin WU
IPC: G09G3/3266 , H01L27/32
Abstract: A display substrate is provided. The display substrate includes a base substrate including a display region and a peripheral region, and a gate scan driving circuit, a light-emitting control scan driving circuit, and a first power line, the gate scan driving circuit includes a first stabilizing capacitor, a first electrode plate of the first stabilizing capacitor is electrically connected to the output terminal of the gate scan driving circuit; and the light-emitting control scan driving circuit includes a second stabilizing capacitor, a first electrode plate of the second stabilizing capacitor is electrically connected to the output terminal, a second electrode plate of the second stabilizing capacitor is electrically connected to the first power line, the second electrode plate of the second stabilizing capacitor includes a first part and a second part, and an organic insulation layer is provided between the first part and the second part.
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公开(公告)号：US20210193025A1
公开(公告)日：2021-06-24
申请号：US16909204
申请日：2020-06-23
Inventor： Chen XU , Xueguang HAO , Yong QIAO , Xinyin WU
IPC: G09G3/32
Abstract: Disclosed is a display device, including a plurality of pixel circuits located in a display area, and a light-emitting driving circuit located in a non-display area and electrically connected to the plurality of pixel circuits; the light-emitting driving circuit includes a plurality of cascaded shift registers; except a last stage of shift register, a signal output terminal of each stage of remaining shift registers is electrically connected to an input signal terminal of a next stage of shift register adjacent thereto; each of the plurality of cascaded shift registers includes: an input circuit, a first node potential control circuit, a second node potential control circuit, a first isolation circuit, a second isolation circuit, a first output control circuit, a second output control circuit, a capacitor circuit, a first output circuit and a second output circuit.
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