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公开(公告)号：US12225785B2
公开(公告)日：2025-02-11
申请号：US17430403
申请日：2020-03-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dachao Li
IPC: H10K59/131 , H10K59/121
Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and sub-pixels on the base substrate. The sub-pixel includes a pixel circuit including a data writing sub-circuit, a storage sub-circuit, a driving sub-circuit and a resistance device. The resistance device is connected between the driving sub-circuit and the light-emitting element, and is in a same layer as a control electrode of the driving sub-circuit and is insulated from the control electrode. A resistivity of the resistance device is higher than a resistivity of the control electrode of the driving sub-circuit.
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公开(公告)号：US12120914B2
公开(公告)日：2024-10-15
申请号：US16958890
申请日：2019-08-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dachao Li , Shengji Yang , Chen Xu
IPC: H10K59/121 , G09G3/3233 , H10K59/131 , H10K71/00 , H10K59/12
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：US11749192B2
公开(公告)日：2023-09-05
申请号：US17426850
申请日：2020-03-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dachao Li
IPC: G09G3/3233 , G09G3/20 , H10K59/131
CPC classification number: G09G3/3233 , G09G3/2007 , H10K59/1315 , G09G2300/0426 , G09G2300/0465 , G09G2300/0842 , G09G2310/0202 , G09G2310/08 , G09G2320/0223 , G09G2320/0233 , G09G2330/08
Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate, a pixel row, and a first scan line and a second scan line on the base substrate. The pixel row includes a plurality of sub-pixels along a first direction on the base substrate; the first scan line and the second scan line are extended along the first direction, and each sub-pixel includes a pixel circuit including a data writing sub-circuit, a storage sub-circuit, and a driving sub-circuit. The first scan line and the second scan line are respectively electrically connected with the data writing circuit to provide control signals. The first scan line and the second scan line have the same resistance and the same area of orthographic projections on the base substrate.
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公开(公告)号：US12266303B2
公开(公告)日：2025-04-01
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：US12217705B2
公开(公告)日：2025-02-04
申请号：US18025521
申请日：2022-06-24
Inventor： Yaoxi Ma , Longfei Fan , Shanghong Jiang , Pengcheng Lu , Shengji Yang , Xiaochuan Chen , Dachao Li
IPC: G09G3/3291
Abstract: A driving circuit, a driving method, a display device, and a display control method are provided. The driving circuit includes multi-stage driving units and an on/off control circuit. Each of the driving units includes an input end and a driving signal output end, and each of the driving units is configured for outputting a corresponding driving signal via the driving signal output end according to an input signal provided by the input end. The input end of a first-stage driving unit is electrically connected to a start signal end. The on/off control circuit is electrically connected to an on/off control end and input ends of the multi-stage driving units, and configured for controlling the electric connection or electric disconnection of the input ends of the multi-stage driving units under the control of an on/off control signal provided by the on/off control end.
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Patent Agency Ranking
公开(公告)号：US20240397805A1
公开(公告)日：2024-11-28
申请号：US18271538
申请日：2022-07-27
Inventor： Chao Pu , Shengji Yang , Xiaochuan Chen , Kuanta Huang , Pengcheng Lu , Junyan Yang , Dachao Li , Rongrong Shi , Junbo Wei , Xiao Bai , Bo Yang , Bin Wu , Shengdi Zhu , Yanqiang Ding , Zhicheng Guo , Yun Zhu
IPC: H10K59/88 , G02B27/01 , G09G3/00 , H10K59/126 , H10K59/131
Abstract: A display panel, a displaying device and a wearable device. The display panel includes a displaying region and a peripheral region surrounding the displaying region, a region of the peripheral region other than the bonding sub-region includes a first testing-unit group and a second testing-unit group, and each of the first testing-unit group and the second testing-unit group includes one or more circuit testing units; the displaying region includes a first lateral side and a second lateral side that extend in a first direction and face each other, the first direction refers to a direction from the bonding sub-region pointing to the displaying region; and a maximum distance from the first testing-unit group to the first lateral side in a direction perpendicular to the first direction is equal to a maximum distance from the second testing-unit group to the second lateral side in the direction perpendicular to the first direction.
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公开(公告)号：US12142211B2
公开(公告)日：2024-11-12
申请号：US17795869
申请日：2021-09-15
Inventor： Junbo Wei , Dachao Li , Shengji Yang , Pengcheng Lu , Kuanta Huang , Zhijian Zhu , Yuanlan Tian
IPC: G09G3/3233 , G09G3/00
Abstract: A display substrate, a pixel circuit, a driving method and a display device are provided. The display substrate includes a substrate and a plurality of repeating units arranged in an array on one side of the substrate, each repeating unit includes at least two light emitting elements and at least two pixel circuits, each pixel circuit includes a first transistor, a second transistor and a third transistor, and the third transistor is configured to drive the light emitting element to emit light; each repeating unit further includes a first region, a second region and a third region arranged continuously in the first direction, the first region includes at least two of the first transistors, the third region including at least two of the third transistors, and the type of the first transistor and the type of the third transistor are different.
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公开(公告)号：US20240296802A1
公开(公告)日：2024-09-05
申请号：US18025521
申请日：2022-06-24
Inventor： Yaoxi Ma , Longfei Fan , Shanghong Jiang , Pengcheng Lu , Shengji Yang , Xiaochuan Chen , Dachao Li
IPC: G09G3/3291
CPC classification number: G09G3/3291 , G09G2300/0819 , G09G2300/0852 , G09G2310/0286
Abstract: A driving circuit, a driving method, a display device, and a display control method are provided. The driving circuit includes multi-stage driving units and an on/off control circuit. Each of the driving units includes an input end and a driving signal output end, and each of the driving units is configured for outputting a corresponding driving signal via the driving signal output end according to an input signal provided by the input end. The input end of a first-stage driving unit is electrically connected to a start signal end. The on/off control circuit is electrically connected to an on/off control end and input ends of the multi-stage driving units, and configured for controlling the electric connection or electric disconnection of the input ends of the multi-stage driving units under the control of an on/off control signal provided by the on/off control end.
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公开(公告)号：US11930664B2
公开(公告)日：2024-03-12
申请号：US16957605
申请日：2019-08-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dachao Li , Shengji Yang , Chen Xu
IPC: H10K59/121 , H10K59/131 , H10K59/12
CPC classification number: H10K59/1213 , H10K59/131 , 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. 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; a direction from a first electrode of the first transistor to a second electrode of the first transistor is a first direction, a direction from a first electrode of the second transistor to a second electrode of the second transistor is a second direction, a direction from the first electrode of the driving transistor to the second electrode of the driving transistor is a fourth direction, and at least one of the first direction and the second direction intersects with the fourth direction.
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公开(公告)号：US20240130202A1
公开(公告)日：2024-04-18
申请号：US18278913
申请日：2022-10-18
Inventor： Chao Pu , Shengji Yang , Junyan Yang , Xiaochuan Chen , Kuanta Huang , Pengcheng Lu , Dachao Li , Rongrong Shi , Junbo Wei , Xiao Bai , Bo Yang
IPC: H10K59/80
CPC classification number: H10K59/879 , H10K59/80521
Abstract: A display panel includes an active area and a peripheral area surrounding the active area, and the display panel further includes: a substrate and a plurality of light emitting devices arranged on the substrate in array, wherein the plurality of light emitting devices are located at least in the active area; a conducting layer comprising a cathode ring and cathodes of the plurality of light emitting devices, wherein the cathode ring is located in the peripheral area, and the cathode ring surrounds the active area; and a lens layer located at a side of the light emitting devices away from the substrate, wherein the lens layer extends from the active area to the peripheral area; wherein an orthographic projection of the lens layer on the substrate is located within an area delineated by an outer contour of an orthographic projection of the cathode ring on the substrate.
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