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公开(公告)号：US20220272855A1
公开(公告)日：2022-08-25
申请号：US17462294
申请日：2021-08-31
发明人： Changmoo Lee , Byunghoon Kang , Cheolmin Park , Seungho Kim , Hoikwan Lee
摘要： A cover window includes a lower surface and an upper surface opposite to the lower surface. The upper surface includes: a center area extending in a first direction and being spaced apart from the lower surface by a first interval in a thickness direction; a first curved area extending in a curved shape from a first side of the center area; and a first area extending from the first curved area in the first direction and being spaced apart from the lower surface by a second interval in the thickness direction; and the first curved area includes a first partial area concavely extending from the center area and a second partial area convexly extending from the first partial area in a cross-sectional view.
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公开(公告)号：US12041739B2
公开(公告)日：2024-07-16
申请号：US18352594
申请日：2023-07-14
发明人： Byeong-Beom Kim , Seung Kim , Seungho Kim , Cheolmin Park , Hyunchul Bae
CPC分类号： H05K5/03 , C03C15/00 , C03C17/002 , C03C17/23 , C03C27/10 , G03F7/0007 , C03C2217/78 , C03C2218/33 , C03C2218/34
摘要： An electronic device includes a display module that includes a foldable display portion and a non-foldable display portion, and a window disposed above the display module and that includes a foldable portion that corresponds to the foldable display portion and a non-foldable portion that corresponds to the non-foldable display portion. The window includes a first glass substrate, a second glass substrate that faces the first glass substrate, a protection layer that corresponds to the non-foldable portion and that is disposed between the first glass substrate and the second glass substrate and that includes an inorganic oxide, and a photoresist layer disposed between the protection layer and the first glass substrate. The first glass substrate includes a recessed portion that corresponds to the foldable portion formed on one surface adjacent to the protection layer.
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3.发明公开公开(公告)号：US20230225150A1
公开(公告)日：2023-07-13
申请号：US17944467
申请日：2022-09-14
发明人： Byeongbeom Kim , Seung Kim , Seungho Kim , Cheolmin Park
CPC分类号： H01L51/524 , H01L27/3244 , H01L51/0017 , H01L51/56
摘要： A method of manufacturing a cover window includes: cutting mother glass into panel glass; chamfering the panel glass; etching an entire surface of the panel glass with a first etching solution including a fluorine-based compound; etching the entire surface of the panel glass with a second etching solution different from the first etching solution; and cleaning the panel glass with a basic cleaning solution.
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公开(公告)号：US11691911B2
公开(公告)日：2023-07-04
申请号：US15926146
申请日：2018-03-20
发明人： Hoikwan Lee , Cheolmin Park , Eun-Kyung Yeon , Jeongseok Lee , Seungho Kim
CPC分类号： C03C21/002 , B32B17/06 , C03C3/083 , C03C23/007 , H04M1/0249 , H04M1/0266 , H04M1/185
摘要： A method of manufacturing a window member includes performing a first reinforcement operation including performing a first ion-exchange treatment on an initial window member. The first ion-exchange treatment includes applying ion salts at a temperature equal to or greater than a first temperature of about 500° C. A stress relief operation includes performing a heat treatment and/or a salt treatment on the initial window member to which the first reinforcement operation is performed. A second reinforcement operation includes performing a second ion-exchange treatment on the initial window member to which the stress relief operation is performed.
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公开(公告)号：US20240049414A1
公开(公告)日：2024-02-08
申请号：US18352594
申请日：2023-07-14
发明人： BYEONG-BEOM KIM , Seung Kim , Seungho Kim , Cheolmin Park , Hyunchul Bae
CPC分类号： H05K5/03 , C03C17/23 , C03C17/002 , C03C27/10 , C03C15/00 , G03F7/0007 , C03C2217/78 , C03C2218/33 , C03C2218/34
摘要： An electronic device includes a display module that includes a foldable display portion and a non-foldable display portion, and a window disposed above the display module and that includes a foldable portion that corresponds to the foldable display portion and a non-foldable portion that corresponds to the non-foldable display portion. The window includes a first glass substrate, a second glass substrate that faces the first glass substrate, a protection layer that corresponds to the non-foldable portion and that is disposed between the first glass substrate and the second glass substrate and that includes an inorganic oxide, and a photoresist layer disposed between the protection layer and the first glass substrate. The first glass substrate includes a recessed portion that corresponds to the foldable portion formed on one surface adjacent to the protection layer.
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公开(公告)号：US11654671B2
公开(公告)日：2023-05-23
申请号：US17672997
申请日：2022-02-16
发明人： Cheolmin Park , Byunghoon Kang , Byeong-Beom Kim , Seungho Kim , Changmoo Lee , Hoikwan Lee
CPC分类号： B32B38/10 , B32B43/006 , B32B2457/20 , H05K1/189 , H05K3/30 , H05K5/0017 , H05K5/03 , H05K2201/10128 , Y10S156/924 , Y10S156/937 , Y10T156/1111 , Y10T156/1116
摘要： A method for manufacturing a display device includes providing a first display device assembly comprising a display module, a first window disposed on the display module, a first window adhesive layer disposed between the display module and the first window, and a first protective layer disposed on the first window. The first protective layer is removed. The first window is removed by providing an acid solution on the first display device assembly. A second window is provided that is disposed on the display module after the first window is removed. A second protective layer is provided that is disposed on the second window after the first protective layer is removed.
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公开(公告)号：US11897086B2
公开(公告)日：2024-02-13
申请号：US16931316
申请日：2020-07-16
发明人： Cheolmin Park , Hoikwan Lee , Seung Kim , Jaejoong Kwon , Eun-kyung Yeon , Minsoo Kim , Seungho Kim , Jong-hoon Yeum
CPC分类号： B24B7/10
摘要： A method of manufacturing a window for a display apparatus according to the present invention includes: providing, on a stage, a substrate including a foldable part bending around a folding axis extending in a first direction, and forming a groove on the foldable part. The forming the groove includes: grinding the foldable part by using a first machining wheel; grinding the foldable part by using a second machining wheel; and machining the foldable part by using a polishing wheel. The groove has at least one radius of curvature. The first machining wheel includes first abrasive grains, and the second machining wheel includes second abrasive grains less in size than the first abrasive grains.
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公开(公告)号：US10722995B2
公开(公告)日：2020-07-28
申请号：US15435234
申请日：2017-02-16
发明人： Cheolmin Park , Hoikwan Lee , Seung Kim , Jaejoong Kwon , Eun-kyung Yeon , Minsoo Kim , Seungho Kim , Jong-hoon Yeum
IPC分类号： B24B7/10
摘要： A method of manufacturing a window for a display apparatus according to the present invention includes: providing, on a stage, a substrate including a foldable part bending around a folding axis extending in a first direction, and forming a groove on the foldable part. The forming the groove includes: grinding the foldable part by using a first machining wheel; grinding the foldable part by using a second machining wheel; and machining the foldable part by using a polishing wheel. The groove has at least one radius of curvature. The first machining wheel includes first abrasive grains, and the second machining wheel includes second abrasive grains less in size than the first abrasive grains.
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公开(公告)号：US10696585B2
公开(公告)日：2020-06-30
申请号：US15661709
申请日：2017-07-27
发明人： Hoikwan Lee , Seung Kim , Seungho Kim , Cheolmin Park , Eun-kyung Yeon , Jong-hoon Yeum , Jeongseok Lee
IPC分类号： C03C21/00
摘要： A method of treating a glass substrate includes providing a glass substrate and strengthening the glass substrate by providing a mixed molten salt including a strengthening molten salt and an aluminum salt to the glass substrate.
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