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公开(公告)号：US20250089462A1
公开(公告)日：2025-03-13
申请号：US18554635
申请日：2022-12-16
Inventor： Junbo WEI , Shengji YANG , Pengcheng LU , Kuanta HUANG , Yuanlan TIAN
IPC: H10K59/122 , H10K59/38 , H10K59/80
Abstract: A display substrate including a pixel definition layer on a base substrate, the pixel definition layer having a pixel opening, the pixel opening exposing at least a portion of a surface of the first electrode, and at least a portion of the second electrode covering the pixel opening; the pixel definition layer includes a first side surface close to the first electrode, the first side surface includes n stages of first steps sequentially arranged along a light emitting direction of the light emitting functional layer, the first step includes a first step side surface, a slope angle of a first step side surface of a first step of an i-th stage is greater than that of a first step of a j-th stage, and the first step of the i-th stage is located on a side of the first step of the j-th stage close to the base substrate.
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公开(公告)号：US20250022421A1
公开(公告)日：2025-01-16
申请号：US18900750
申请日：2024-09-29
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：US20240365603A1
公开(公告)日：2024-10-31
申请号：US18764405
申请日：2024-07-05
Inventor： Junbo WEI , Shengji YANG , Pengcheng LU , Kuanta HUANG , Yuanlan TIAN
IPC: H10K59/122
CPC classification number: H10K59/122
Abstract: A display substrate and a display device, the display substrate including a pixel definition layer on a base substrate, the pixel definition layer having a pixel opening, the pixel opening exposing at least a portion of a surface of the first electrode, and at least a portion of the second electrode covering the pixel opening; the pixel definition layer includes a second side surface on a side away from the first electrode, the second side surface including a third step, the third step including a third step side surface, and the third step side surface including a first arc surface.
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公开(公告)号：US20240276801A1
公开(公告)日：2024-08-15
申请号：US18023380
申请日：2022-03-30
Inventor： Junbo WEI , Shengji YANG , Pengcheng LU , Kuanta HUANG , Yuanlan TIAN
IPC: H10K59/131 , H10K59/80
CPC classification number: H10K59/131 , H10K59/872
Abstract: A display module is provided, which includes a circuit board and a display substrate disposed on a first surface of the circuit board, the first surface of the circuit board comprises a flat area and an non-flat area located at a periphery of the flat area, the display substrate is disposed in the flat area, and the non-flat area is provided with electronic components.
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公开(公告)号：US20220140020A1
公开(公告)日：2022-05-05
申请号：US17259373
申请日：2020-03-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Junbo WEI , Shengji YANG , Kuanta HUANG , Pengcheng LU , Yuanlan TIAN
IPC: H01L27/32
Abstract: A display panel includes a driving backplane, a plurality of detection pads, a light emitting function layer, and a flexible circuit board. The driving backplane has a pixel driving region and a peripheral region, and the peripheral region has bonding pads; an edge of the driving backplane is surrounded by a first section and a second section, and the bonding pads are located between the first section and the pixel driving region; a plurality of detection pads are disposed in and distributed along the second section; a light emitting function layer is disposed on the driving backplane and located in the pixel driving region; a flexible circuit board extends between the first section and the pixel driving region, and is bonded to the bonding pads; a first packaging layer is disposed on the light emitting function layer.
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Patent Agency Ranking
公开(公告)号：US20250126990A1
公开(公告)日：2025-04-17
申请号：US18681085
申请日：2022-08-19
Inventor： Chao PU , Shengji YANG , Xiaochuan CHEN , Kuanta HUANG , Pengcheng LU , Junbo WEI , Mingrui ZHANG , Zhao MA , Liuzeming QU
IPC: H10K59/131 , H10K59/12
Abstract: Disclosed are a display substrate and preparation method thereof, and a display device. The display substrate includes a display area (100) and a bonding area (200). On a plane perpendicular to the display substrate, the bonding area (200) includes a base substrate (10), a bonding structure layer (70) disposed on the base substrate (10), and a bonding pad (80) disposed on the bonding structure layer (70). The bonding pad (80) is configured to be bonded to connect to a circuit board; and at least includes a first bonding pad layer (210) and a second bonding pad layer (220), the first bonding pad layer (210) is disposed on a side of the second bonding pad layer (220) away from the base substrate (10), at least one first concave-convex structure (310) is disposed on a surface of a side of the first bonding pad layer (210) away from the base substrate (10).
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公开(公告)号：US20250081803A1
公开(公告)日：2025-03-06
申请号：US18278339
申请日：2022-09-30
Inventor： Junbo WEI , Shengji YANG , Pengcheng LU , Kuanta HUANG , Yuanlan TIAN
IPC: H10K59/80 , H10K59/12 , H10K59/122 , H10K59/124
Abstract: Embodiments of the present disclosure relate to a display panel and a display device. The display panel includes a backplate including a plurality of pixel areas and a plurality of recesses configured to separate the plurality of pixel areas from each other, and a plurality of first electrodes on the backplate, wherein orthographic projections of the plurality of first electrodes on the backplate partially overlaps with the plurality of pixel areas, respectively, and wherein at least one of the plurality of first electrodes extends to a bottom surface of the recesses neighboring to the first electrodes.
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公开(公告)号：US20240315087A1
公开(公告)日：2024-09-19
申请号：US18674957
申请日：2024-05-27
Inventor： Junbo WEI , Shengji YANG , Pengcheng LU , Kuanta HUANG , Yuanlan TIAN
IPC: H10K59/122 , H10K59/80
CPC classification number: H10K59/122 , H10K59/80521
Abstract: A display substrate including a pixel definition layer on a base substrate, the pixel definition layer having a pixel opening, the pixel opening exposing at least a portion of a surface of a first electrode, and at least a portion of a second electrode covering the pixel opening; the pixel definition layer includes a second side surface away from the first electrode, the second side surface at least includes a protrusion structure, the protrusion structure at least includes a protrusion structure top surface; the protrusion structure top surface is an arc surface, and along a light emitting direction of the light emitting functional layer, a surface of the arc surface away from the base substrate is between a surface of the first electrode away from the base substrate and a surface of the first electrode close to the base substrate.
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公开(公告)号：US20240298486A1
公开(公告)日：2024-09-05
申请号：US18261753
申请日：2021-12-24
Inventor： Chao PU , Shengji YANG , Kuanta HUANG , Pengcheng LU , Xiaochuan CHEN , Junbo WEI , Zhao MA , Liuzeming QU
IPC: H10K59/131 , H10K59/80
CPC classification number: H10K59/131 , H10K59/80521
Abstract: A display panel and a display apparatus. The display panel includes a backplane (10) and light-emitting devices (20). The backplane (10) includes: a base substrate (101); pixel driving circuits (102); a first insulating layer (103); conductive portions (104), wherein each of the conductive portions (104) is connected to a corresponding pixel driving circuit (102) via a first connector (CM1) penetrating through the first insulating layer (103); and a second insulating layer (105) located on the side of the first insulating layer (103) and the conductive portions (104) away from the base substrate (101). The light-emitting devices (20) are located on the side of the second insulating layer (105) away from the base substrate (101), wherein an anode (201) of at least one of the light-emitting devices (20) is connected to a corresponding conductive portion (104) via second connectors (CM2) penetrating through the second insulating layer (105).
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公开(公告)号：US20240244902A1
公开(公告)日：2024-07-18
申请号：US18016679
申请日：2022-02-28
Inventor： Junbo WEI , Shengji YANG , Pengcheng LU , Kuanta HUANG , Yuanlan TIAN
IPC: H10K59/131 , H05K1/02 , H05K1/18
CPC classification number: H10K59/131 , H05K1/028 , H05K1/189 , H05K2201/10128
Abstract: A display module includes a display substrate and a flexible circuit board bonding-connected with the display substrate, wherein the flexible circuit board is bent to a side of the display substrate away from a display side; the flexible circuit board includes a bent region and non-bent regions located at both sides of the bent region; the bent region includes a bending axis, the flexible circuit board is bent along the bending axis, the bent region is provided with one or more openings at a position of the bending axis, and the openings are through holes penetrating the flexible circuit board or grooves not penetrating the flexible circuit board; the bent region includes at least one wiring layer, the wiring layer of the bent region includes multiple traces extending to the non-bent regions on both sides of the bent region, and the plurality of traces do not overlap with the openings.
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