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公开(公告)号：US20240090295A1
公开(公告)日：2024-03-14
申请号：US18271455
申请日：2021-10-22
Inventor： Junbo WEI , Zhijian ZHU , Shengji YANG , Pengcheng LU , Kuanta HUANG , Yuanlan TIAN
IPC: H10K59/35 , H10K59/12 , H10K59/131
CPC classification number: H10K59/353 , H10K59/1201 , H10K59/131
Abstract: A display backboard includes a base substrate and a plurality of real pixel units periodically arranged on one side of the base substrate. Each real pixel unit has a plurality of real light-emitting layers with different colors, at least two real metal wiring layers are provided on one side of each real light-emitting layer proximal to the base substrate, and two real metal wiring layers on the side of each real light-emitting layer are electrically connected through via holes. Orthographic projections of the two real metal wiring layers on the side of each real light-emitting layer on the base substrate cover an orthographic projection of at least one of the via holes on the base substrate, and the via holes are configured to connect two virtual metal wiring layers in a virtual pixel unit different from the real pixel unit.
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公开(公告)号：US20230301152A1
公开(公告)日：2023-09-21
申请号：US18321657
申请日：2023-05-22
Applicant: BOE Technology Group Co., Ltd.
Inventor： Li LIU , Pengcheng LU , Rongrong SHI , Yuanlan TIAN , Junbo WEI , Dacheng ZHANG
IPC: H10K59/35 , H10K50/818 , H10K50/852 , H10K50/856 , H10K59/123 , H10K71/00
CPC classification number: H10K59/353 , H10K50/818 , H10K50/852 , H10K50/856 , H10K59/123 , H10K71/00 , H10K2102/102
Abstract: The present disclosure provides an array substrate including a driving circuit board, and a first electrode layer, an insulating layer, and an anode structure sequentially stacked thereon. The anode structure includes a reflective layer, an intermediate dielectric layer, and a transparent conductive layer sequentially provided in a direction away from the driving circuit board. The array substrate has first, second, and third pixel regions. The anode structure includes first, second, and third anode structures. The first electrode layer includes first, second and third sub-portions. The first, second and third anode structures are coupled with the first, second and third sub-portions through first, second and third via holes in the insulating layer, respectively. A surface of the insulating layer in contact with the first, second and third anode structures is flush; and a thickness of the intermediate dielectric layer in the second, first and third anode structures increases sequentially.
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公开(公告)号：US20220216447A1
公开(公告)日：2022-07-07
申请号：US17607015
申请日：2020-11-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Li LIU , Pengcheng LU , Kui ZHANG , Yunlong LI , Shengji YANG , Kuanta HUANG , Xiaochuan CHEN , Yuanlan TIAN , Dacheng ZHANG
Abstract: A display substrate is provided, including a base and a first electrode layer. The first electrode layer includes a transparent conductive layer and a reflective layer. The transparent conductive layer includes transparent conductive units that are spaced apart, a transparent conductive unit includes a flat surface and sides on peripheries, and an included angle between the flat surface and a side is an obtuse angle. The reflective layer is located on a side of the transparent conductive layer proximate to the base. The reflective layer includes reflective units that are spaced apart; the reflective units and the transparent conductive units are in one-to-one correspondence, and a reflective unit and a corresponding transparent conductive unit are electrically connected; and an orthographic projection of the reflective unit on the base is within a range of an orthographic projection of a flat surface of the corresponding transparent conductive unit on the base.
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公开(公告)号：US20220140047A1
公开(公告)日：2022-05-05
申请号：US17258762
申请日：2020-03-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Zhijian ZHU , Yu AO , Yunlong LI , Pengcheng LU , Yuanlan TIAN
IPC: H01L27/32
Abstract: A display panel includes a drive backplane, a transparent insulating layer and a light-emitting device layer. The drive backplane includes a driving circuit layer, a metal wiring layer, a first insulating layer and a reflective electrode layer. The first insulating layer has first via holes filled with first metal connectors. The reflective electrode layer includes first reflective electrodes respectively connected with the metal wiring layer through the first metal connectors. The light-emitting device layer includes a pixel electrode layer, an organic light-emitting layer and a common electrode layer. The pixel electrode layer includes first pixel electrodes respectively connected with the first reflective electrodes through the connection via holes. A distance between an orthographic projection of the connection via hole on the pixel electrode layer and an edge of the first pixel electrode is not less than a first threshold value.
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公开(公告)号：US20220140021A1
公开(公告)日：2022-05-05
申请号：US17260562
申请日：2020-03-27
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yunlong LI , Pengcheng LU , Yu Ao , Zhijian ZHU , Yuanlan TIAN , Dacheng ZHANG
IPC: H01L27/32 , H01L23/544 , H01L51/00 , H01L51/52 , H01L51/56
Abstract: A display substrate, a manufacturing method thereof and a display apparatus are disclosed. The display substrate includes a silicon base substrate and a color film layer disposed on the silicon base substrate. A plurality of metal traces for connecting a display area and a cathode ring with a bonding area respectively are contained in the silicon base substrate. The color film layer includes a first align mark, and the first align mark has a hollowed-out structure. A projection of the first align mark on the silicon base substrate and projections of the metal traces on the silicon base substrate include overlapping areas.
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Patent Agency Ranking
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：US20220399426A1
公开(公告)日：2022-12-15
申请号：US17441738
申请日：2020-12-16
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yunlong LI , Pengcheng LU , Longfei FAN , Dongsheng LI , Zhijian ZHU , Yuanlan TIAN
Abstract: This disclosure provides a display device, a display panel, and a fabrication method thereof. The display panel includes a driving backplane, a first electrode layer, a pixel definition layer, a light-emitting functional layer, and a second electrode layer. The first electrode layer is arranged on a side surface of the driving backplane and includes a first electrode and a transferring ring. The pixel definition layer covers the first electrode layer and the driving backplane. The light-emitting functional layer is arranged on a surface of the first electrode layer facing away from the driving backplane, and the light-emitting functional layer is in a range of a transferring area of the driving backplane. The second electrode layer covers the pixel definition layer and the light-emitting functional layer. A boundary of the second electrode layer is inside a boundary of the pixel definition layer and is connected with the transferring ring.
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