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公开(公告)号：US20250155343A1
公开(公告)日：2025-05-15
申请号：US18779496
申请日：2024-07-22
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyunchul Kim , Byoungyul Shim , Seungpyo Hong
IPC: G01N3/303
Abstract: Provided is a testing apparatus for a display apparatus comprising a base, a hit unit mounted on the base to translate in a first direction, a second direction, and a third direction perpendicular to each other, and a pad unit mounted on the base to rotate around each of a first axis perpendicular to an upper surface of the base and a second axis perpendicular to the first axis, wherein the display apparatus is disposed on the pad unit and includes flat and curved areas.
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公开(公告)号：US12274135B2
公开(公告)日：2025-04-08
申请号：US18432548
申请日：2024-02-05
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Wonsuk Choi , Hyunchul Kim , Seongryong Lee , Eunae Jung , Yoonsun Choi
IPC: H01L29/08 , H10K50/844 , H10K59/121 , H10K59/122 , H10K59/124
Abstract: A display panel includes: a substrate including a first area, a second area, and a third area between the first area and the second area; a first structure located in the second area and including a pixel electrode, an opposite electrode, an intermediate layer between the pixel electrode and the opposite electrode, and at least one organic material layer; and a plurality of grooves located in the third area and separating the at least one organic material layer and the opposite electrode, wherein a first groove of the plurality of grooves is provided in a multi-layered film including a lower layer and an upper layer, wherein the upper layer includes an inorganic material layer and a first step adjacent to the first groove, the first step having an elevation higher than an upper surface of the lower layer.
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公开(公告)号：US11579715B2
公开(公告)日：2023-02-14
申请号：US17157386
申请日：2021-01-25
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyunchul Kim , Seongjun Lee , Seongryong Lee , Wonsuk Choi , Yoonsun Choi
Abstract: An OLED device includes a substrate having a display region including a pixel region and first and second peripheral regions surrounding the pixel region. A bending region is between the display region and the second peripheral region. A buffer layer has a first opening exposing an upper surface of the substrate. A plurality of pixel structures is disposed in the pixel region on the buffer layer. An insulation layer structure is disposed on the buffer layer. The insulation layer structure has a second opening exposing an upper surface of the substrate that is disposed in the bending region and a first portion of the buffer layer that is disposed adjacent to the bending region. A fan-out wiring is disposed between two adjacent insulation layers of the plurality of insulation layers. The fan-out wiring is disposed in the first peripheral region and/or the second peripheral region.
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公开(公告)号：US11038008B2
公开(公告)日：2021-06-15
申请号：US16830182
申请日：2020-03-25
Applicant: Samsung Display Co., Ltd.
Inventor： Yoonsun Choi , Hyunchul Kim
Abstract: Provided is a display apparatus capable of reducing generation of defects during manufacturing of the display apparatus or while in use after being manufactured. The display apparatus includes a substrate including a bending area between a first area and a second area, the substrate being bent in the bending area about a bending axis; an inorganic insulating layer over the substrate and including a first feature that is either a first opening or a first groove, the first feature positioned to correspond to the bending area; and an organic material layer at least partially filling the first feature, and including a second feature that is a second opening or a second groove, the second feature extending along an edge of the substrate.
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公开(公告)号：US10483491B2
公开(公告)日：2019-11-19
申请号：US15417000
申请日：2017-01-26
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yoonsun Choi , Hyunchul Kim , Wonsuk Choi
IPC: H01L51/52 , H01L51/00 , G02F1/1333 , H01L27/32
Abstract: A method of manufacturing a display apparatus that is capable of reducing manufacturing costs and a defect rate during manufacturing, and a display apparatus. The method includes forming a plurality of display units over a mother substrate; attaching a temporary protective film to a lower surface of the mother substrate; cutting the mother substrate and the temporary protective film along a periphery of each of the plurality of display units to obtain a plurality of display panels, each including a first area, a second area, and a bent area between the first area and the second area; removing the temporary protective film from the plurality of display panels; and attaching a lower protective film to a lower surface of each of the plurality of display panels so as to correspond to the first area in each display panel.
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Patent Agency Ranking
公开(公告)号：US12127450B2
公开(公告)日：2024-10-22
申请号：US17335021
申请日：2021-05-31
Applicant: Samsung Display Co., Ltd.
Inventor： Yoonsun Choi , Hyunchul Kim
IPC: H10K59/131 , H10K50/844 , H10K77/10 , H10K50/842 , H10K102/00
CPC classification number: H10K59/131 , H10K50/844 , H10K77/111 , H10K50/8426 , H10K2102/311 , Y02E10/549
Abstract: Provided is a display apparatus capable of reducing generation of defects during manufacturing of the display apparatus or while in use after being manufactured. The display apparatus includes a substrate including a bending area between a first area and a second area, the substrate being bent in the bending area about a bending axis; an inorganic insulating layer over the substrate and including a first feature that is either a first opening or a first groove, the first feature positioned to correspond to the bending area; and an organic material layer at least partially filling the first feature, and including a second feature that is a second opening or a second groove, the second feature extending along an edge of the substrate.
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公开(公告)号：US11723230B2
公开(公告)日：2023-08-08
申请号：US17491887
申请日：2021-10-01
Applicant: Samsung Display Co., Ltd.
Inventor： Yoonsun Choi , Hyunchul Kim , Seongryong Lee , Eunae Jung , Wonsuk Choi
IPC: H01L51/52 , G06F3/041 , G06F3/042 , H01L27/32 , H10K50/844 , H10K59/40 , H10K59/122
CPC classification number: H10K50/844 , G06F3/042 , G06F3/0412 , H10K59/122 , H10K59/40
Abstract: A display panel includes a substrate including an opening area, a display area, and a first non-display area, the first non-display area being between the opening area and the display area, a plurality of display elements arranged in the display area, a thin film encapsulation layer that covers the display elements, the thin film encapsulation layer including an inorganic encapsulation layer and an organic encapsulation layer, a groove in the first non-display area, a planarization layer in the first non-display area, the planarization layer covering the groove, a first inorganic insulating layer under the planarization layer such that the first inorganic insulating layer is between the planarization layer and the substrate, and a second inorganic insulating layer over the planarization layer.
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公开(公告)号：US11276738B2
公开(公告)日：2022-03-15
申请号：US16872696
申请日：2020-05-12
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Wonsuk Choi , Hyunchul Kim , Seongryong Lee , Eunae Jung , Yoonsun Choi
Abstract: A display panel includes: a substrate including a first area, a second area, and a third area between the first area and the second area; a first structure located in the second area and including a pixel electrode, an opposite electrode, an intermediate layer between the pixel electrode and the opposite electrode, and at least one organic material layer; and a plurality of grooves located in the third area and separating the at least one organic material layer and the opposite electrode, wherein a first groove of the plurality of grooves is provided in a multi-layered film including a lower layer and an upper layer, wherein the upper layer includes an inorganic material layer and a first step adjacent to the first groove, the first step having an elevation higher than an upper surface of the lower layer.
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公开(公告)号：US11139454B2
公开(公告)日：2021-10-05
申请号：US16687578
申请日：2019-11-18
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yoonsun Choi , Hyunchul Kim , Wonsuk Choi
IPC: H01L51/00 , H01L51/52 , G02F1/1333 , H01L27/32
Abstract: A method of manufacturing a display apparatus that is capable of reducing manufacturing costs and a defect rate during manufacturing, and a display apparatus. The method includes forming a plurality of display units over a mother substrate; attaching a temporary protective film to a lower surface of the mother substrate; cutting the mother substrate and the temporary protective film along a periphery of each of the plurality of display units to obtain a plurality of display panels, each including a first area, a second area, and a bent area between the first area and the second area; removing the temporary protective film from the plurality of display panels; and attaching a lower protective film to a lower surface of each of the plurality of display panels so as to correspond to the first area in each display panel.
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公开(公告)号：US11139451B2
公开(公告)日：2021-10-05
申请号：US16441846
申请日：2019-06-14
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yoonsun Choi , Hyunchul Kim , Seongryong Lee , Eunae Jung , Wonsuk Choi
Abstract: A display panel includes a substrate including an opening area, a display area, and a first non-display area, the first non-display area being between the opening area and the display area, a plurality of display elements arranged in the display area, a thin film encapsulation layer that covers the display elements, the thin film encapsulation layer including an inorganic encapsulation layer and an organic encapsulation layer, a groove in the first non-display area, a planarization layer in the first non-display area, the planarization layer covering the groove, a first inorganic insulating layer under the planarization layer such that the first inorganic insulating layer is between the planarization layer and the substrate, and a second inorganic insulating layer over the planarization layer.
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