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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：US20220384759A1
公开(公告)日：2022-12-01
申请号：US17886475
申请日：2022-08-12
Applicant: BOE Technology Group Co., Ltd.
Inventor： Li LIU , Pengcheng LU , Shengji YANG , Kui ZHANG
Abstract: This disclosure relates to an organic electroluminescent structure and a display device. The organic electroluminescent structure includes a base substrate; a passivation protective layer provided at a side of the base substrate, in which the passivation protective layer is provided with a plurality of inner cutting portions arranged at intervals at a side facing away from the base substrate, each of the inner cutting portions has a first surface towards the base substrate and a second surface away from the base substrate, an orthographic projection of the first surface on the base substrate is within an orthographic projection of the second surface on the base substrate, and a groove is provided between two adjacent inner cutting portions and is formed as an inner cutting structure; an anode layer including a plurality of anodes arranged at intervals; an organic light-emitting functional layer having a hole injection layer.
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Patent Agency Ranking
公开(公告)号：US20220384554A1
公开(公告)日：2022-12-01
申请号：US16958921
申请日：2019-08-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yunlong LI , Pengcheng LU , Kui ZHANG , Li LIU , Kuanta HUANG , Shengji YANG , Xiaochuan CHEN , Dacheng ZHANG
Abstract: A display substrate and a manufacturing method and a display device are provided. The display substrate includes: a base substrate, a first insulation layer, a first electrode pattern, a connecting electrode pattern, a second electrode, a light-emitting functional layer, and a first filling layer. The second electrode is connected with the connecting electrode pattern, the second electrode and the first electrode pattern are spaced apart from each other. The light-emitting functional layer is located between the first electrode pattern and the second electrode. The first filling layer is located between the connecting electrode pattern and the first electrode pattern. The first filling layer and the light-emitting functional layer are different layers; a portion of the first insulation layer that is located between the first electrode pattern and the connecting electrode pattern has a groove, and the first filling layer is at least partially located in the groove.
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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：US20220149084A1
公开(公告)日：2022-05-12
申请号：US17359616
申请日：2021-06-27
Inventor： Li LIU , Quan LIU , Jian TENG , Minghui WANG , Xing XIONG , Qinya CAO , Yun WANG
Abstract: A method of manufacturing a display substrate which includes a central display area and an arc-shaped stretch area located at a corner of the central display area, wherein the method includes: preparing a substrate to be etched, which includes a flexible substrate, a stack structure disposed on the flexible substrate, and a last-dry-etched metal layer disposed on a side of the stack structure away from the flexible substrate, the stack structure including an active layer, at least one conductive layer, and a plurality of insulating layers, wherein the last-dry-etched metal layer is a last metal layer that is formed through dry etching; and forming a stretch groove by patterning the substrate to be etched, wherein the stretch groove is disposed in the stretch area and passes through the stack structure and a part of the flexible substrate. A display substrate, a display panel and a display device are further provided.
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公开(公告)号：US20220102669A1
公开(公告)日：2022-03-31
申请号：US17423865
申请日：2021-01-05
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Li LIU , Pengcheng LU , Shengji YANG , Kui ZHANG , Rongrong SHI , Chao PU
Abstract: This disclosure relates to an organic electroluminescent structure and a fabrication method thereof, and a display device. The organic electroluminescent structure includes a base substrate; an anode layer formed on the base substrate, in which the anode layer comprises a plurality of anodes arranged at intervals; an organic light-emitting functional layer having a hole injection layer, in which the hole injection layer includes a plurality of hole injection blocks arranged at intervals, and each of the hole injection blocks is correspondingly formed on the second surface of one of the anodes; and a cathode layer formed at a side of the organic light-emitting functional layer facing away from the anode layer.
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公开(公告)号：US20210305535A1
公开(公告)日：2021-09-30
申请号：US17258614
申请日：2020-03-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Kui ZHANG , Li LIU , Pengcheng LU , Yunlong LI , Dacheng ZHANG
Abstract: The present disclosure provides a display panel, a method for preparing the same, and a display device. The display panel includes: a display substrate, including a base substrate, a driving transistor embedded on the base substrate, and a first electrode layer located on the base substrate; an encapsulation protection structure located on the display substrate and surrounding a display area of the display substrate; a light emitting layer located on a surface of the first electrode layer away from the base substrate; a second electrode layer located on a surface of the light emitting layer away from the base substrate; and a first encapsulation layer located on a surface of the second electrode layer away from the base substrate.
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