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公开(公告)号：US20250095536A1
公开(公告)日：2025-03-20
申请号：US18290015
申请日：2022-11-23
Applicant: BOE Technology Group Co., Ltd.
Inventor： Donghui ZHAO , Pan XU , Ying HAN , Xing ZHANG , Chengyuan LUO , Guangshuang LV , Xing YAO , Dandan ZHOU , Miao LIU
IPC: G09G3/20
Abstract: Provided is a pixel drive circuit. The pixel drive circuit includes a plurality of scan drive circuits transmitting gate drive signals to pixels, a plurality of emission drive circuits transmitting emission control signals to the pixels, a plurality of compensation drive circuits transmitting compensation signals to the pixels, and a plurality of reset drive circuits transmitting reset signals to the pixels, which are all cascaded in a pixel column direction. In addition, the scan drive circuit, the emission drive circuit, the compensation drive circuit, and the reset drive circuit corresponding to the same row of pixels are arranged sequentially along a pixel row direction, the scan drive circuit being disposed farthest away from the pixels. Moreover, among signal lines coupled to the pixel drive circuit, a plurality of signal lines is overlapped with each other, and cutouts are provided at the overlapping portions of the plurality of signal lines.
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公开(公告)号：US20250031531A1
公开(公告)日：2025-01-23
申请号：US18282106
申请日：2022-11-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ying HAN , Pan XU , Xing ZHANG , Guangshuang LV , Donghui ZHAO , Chengyuan LUO , Cheng XU
IPC: H10K59/124 , G09G3/00 , G09G3/3225 , H10K59/122 , H10K59/131
Abstract: A display substrate and a display device, the display substrate includes a base substrate, a pixel driving circuit layer, a first planarization layer, a first metal layer, a second planarization layer, a plurality of first electrodes and a pixel definition layer; the pixel driving circuit layer includes a plurality of pixel driving circuits, the first planarization layer includes a plurality of first vias respectively exposing output terminals of the pixel driving circuits, the first metal layer includes a plurality of data lines extending in a first direction, the pixel definition layer includes a plurality of first definition walls extending in the first direction and a plurality of second definition walls extending in a second direction, and an orthographic projection of at least part of the data lines on the base substrate respectively overlaps with orthographic projections of the plurality of first definition walls on the base substrate.
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公开(公告)号：US20250029558A1
公开(公告)日：2025-01-23
申请号：US18281110
申请日：2022-11-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xing ZHANG , Pan XU , Donghui ZHAO , Ying HAN , Chengyuan LUO , Guangshuang LV , Cheng XU , Miao LIU , Dandan ZHOU
IPC: G09G3/3233
Abstract: A driving circuit, a driving method and a display device are provided. The driving circuit includes a first control node control circuit, a second control node control circuit, a first node control circuit and a second node control circuit, wherein, the first control node control circuit is configured to control a potential of the first control node; the second control node control circuit is configured to control a potential of the second control node; the first node control circuit is configured to control a potential of the first node; the second node control circuit is electrically connected to the second control node, a first clock signal terminal and a second node respectively, and is configured to control to connect the first clock signal terminal and the second node under the control of the potential of the second control node.
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公开(公告)号：US20230422546A1
公开(公告)日：2023-12-28
申请号：US18465950
申请日：2023-09-12
Applicant: BOE Technology Group Co., Ltd.
Inventor： Chengyuan LUO
IPC: H10K50/844 , H10K71/00
CPC classification number: H10K50/844 , H10K71/00 , H10K2102/00
Abstract: A display substrate includes a display region and hollowed-out grooves provided at a periphery of the display region. The display substrate includes a first organic base layer, a light-emitting unit provided on the base structure layer and located at the display region; the first organic base layer is provided with a groove structure located between the hollowed-out grooves and the display region. The display substrate further includes a first inorganic package layer for covering the light-emitting unit and the groove structure.
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公开(公告)号：US20220181393A1
公开(公告)日：2022-06-09
申请号：US17680085
申请日：2022-02-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Linlin WANG , Chengyuan LUO
Abstract: A color filter substrate, a manufacturing method thereof and a display panel are provided. The color filter substrate includes a first substrate, at least one spacer on a side of the first substrate, at least one electrode on a side of the at least one spacer facing away the first substrate, and at least two elastic supports on the side of the first substrate. In a plane parallel with an extending plane of the first substrate, a periphery of each spacer comprises at least two of the elastic supports, and in a direction perpendicular to the extending plane of the first substrate, a sum of a height of the spacer and a thickness of the electrode on the spacer is smaller than a height of each of the elastic supports in the periphery of the spacer.
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Patent Agency Ranking
公开(公告)号：US20210343970A1
公开(公告)日：2021-11-04
申请号：US17286835
申请日：2020-07-08
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Chengyuan LUO
Abstract: A display panel includes: a display substrate having a display area and a peripheral area around the display area; a cover plate assembled with the display substrate; a reinforcement layer disposed in the peripheral area, the reinforcement layer including a plurality of first corner guards, and the first corner guards being distributed around the display area at intervals; a dam disposed in the peripheral area, the dam being of a closed loop structure around the display area, the dam having a plurality of corners, and inner walls of the corners being matched with and in contact with outer walls of the first corner guards in one-to-one correspondence; and a filling layer filled in a space enclosed by the display substrate, the cover plate, the first corner guards and the dam, the filling layer being in contact with inner walls of the first corner guards.
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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：US20240212622A1
公开(公告)日：2024-06-27
申请号：US17794994
申请日：2021-08-24
Applicant: BOE Technology Group Co., Ltd.
Inventor： Pan XU , Hongli WANG , Danyang MA , Guoying WANG , Xing ZHANG , Chengyuan LUO , Ying HAN
IPC: G09G3/3266
CPC classification number: G09G3/3266
Abstract: A display substrate includes an underlayer substrate and a circuit structure layer. The circuit structure layer is located in a display area of the underlayer substrate. The circuit structure layer includes at least one first circuit area and at least one second circuit area. The first circuit area includes at least one first gate drive circuit; the second circuit area includes at least one second gate drive circuit. The first gate drive circuit is cascaded with the second gate drive circuit. The first gate drive circuit includes a plurality of cascaded first gate drive units, and the second gate drive circuit includes a plurality of cascaded second gate drive units. A plurality of first gate drive units are sequentially arranged in a second direction, and a plurality of second gate drive units are sequentially arranged in the second direction.
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公开(公告)号：US20220255040A1
公开(公告)日：2022-08-11
申请号：US17487969
申请日：2021-09-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Chengyuan LUO
Abstract: The embodiments of the present application provide a package cover plate and a manufacturing method thereof, a display panel and a display device. The package cover plate includes a cover plate structure layer, a spacer structure on a side of the cover plate structure layer, the spacer structure includes a first spacer, and the first spacer includes a water absorbing structure, and an auxiliary electrode layer on a side of the spacer structure facing away from the cover plate structure layer.
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公开(公告)号：US20210066653A1
公开(公告)日：2021-03-04
申请号：US16924232
申请日：2020-07-09
Applicant: BOE Technology Group Co., Ltd.
Inventor： Chengyuan LUO
Abstract: A display substrate includes a display region and hollowed-out grooves provided at a periphery of the display region. The display substrate includes a first organic base layer, a light-emitting unit provided on the base structure layer and located at the display region; the first organic base layer is provided with a groove structure located between the hollowed-out grooves and the display region. The display substrate further includes a first inorganic package layer for covering the light-emitting unit and the groove structure.
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