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公开(公告)号：US11711937B2
公开(公告)日：2023-07-25
申请号：US17142812
申请日：2021-01-06
发明人： Hoikwan Lee
CPC分类号： H10K50/841 , H10K50/86 , H10K59/12 , H10K59/40 , H10K71/00 , H10K77/111 , H10K59/1201 , H10K2102/311 , H10K2102/351
摘要： A display apparatus includes a display panel including pixels and a cover window disposed on the display panel. The cover window includes a flat portion having a first thickness, and a folding portion having a second thickness that is less than the first thickness of the flat portion, the folding portion being adjacent to the flat portion. A first stress profile of the flat portion of the cover window that is a stress change along a depth direction from a surface of the flat portion of the cover window is different from a second stress profile of the folding portion of the cover window that is a stress change along a depth direction from a surface of the folding portion of the cover window.
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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：US10288785B2
公开(公告)日：2019-05-14
申请号：US15196620
申请日：2016-06-29
发明人： Jaejoong Kwon , Hoikwan Lee , Yunseon Do , Chio Cho , Hyesog Lee
摘要： A method of manufacturing a color filter substrate includes: forming a plurality of first members, a plurality of second members and a plurality of third members, where each of the first members, the second members and the third members has a pillar shape extending in a direction; stacking the first members, the second members and the third members on one another; forming a preform by inserting the stacked first members, second members, and third members into a cane; forming a stick member from the preform via a drawing process by applying heat to the preform inserted into the cane; and slicing the stick member.
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4.发明申请公开(公告)号：US20190011605A1
公开(公告)日：2019-01-10
申请号：US15952119
申请日：2018-04-12
发明人： Jeongwoo Park , Seungho Kim , Jong-hoon Yeum , Seung Kim , Junehyoung Park , Hoikwan Lee , Woojin Cho
摘要： A glass member for a display device, a method of fabricating a glass member, and a display device including a glass member are provided. A method of fabricating a glass member for a display device includes: preparing a glass substrate including a first surface, a second surface facing the first surface, and a side surface connecting the first surface to the second surface; forming a protection layer on the side surface to cover a portion of the side surface; and etching a portion of the glass substrate exposed by the protection layer.
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5.发明授权公开(公告)号：US11673829B2
公开(公告)日：2023-06-13
申请号：US16729783
申请日：2019-12-30
发明人： Hoikwan Lee , Seung Kim , Seungho Kim
CPC分类号： C03C21/002 , H05K5/0017 , H05K5/03 , H01L51/524 , H01L2251/5338 , H05K5/0226
摘要： A window panel includes: a substrate having a thickness of less than 100 μm and including a first surface and a second surface facing each other in a thickness direction; first ions dispersed in the substrate and each having a first ion radius; and second ions dispersed in the substrate and each having a second ion radius which is greater than the first ion radius, wherein the second ions generate a compressive stress, the compressive stress is reduced with depth from the first surface or the second surface within a range from the first surface or the second surface to a ½ point of the thickness.
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公开(公告)号：US10804477B2
公开(公告)日：2020-10-13
申请号：US16205695
申请日：2018-11-30
发明人： Seung Kim , Junehyoung Park , Jeongwoo Park , Seungho Kim , Hoikwan Lee
摘要： A flexible display device, which has a bending area and a non-bending area, includes a display panel, and a window member disposed on the display panel and including a first glass substrate, a second glass substrate disposed opposite to the second glass substrate, and a bonding layer disposed between the first glass substrate and the second glass substrate. The bonding layer includes a first bonding part overlapping the bending area and a second bonding part overlapping the non-bending area and having a modulus greater than a modulus of the first bonding part.
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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：US10310648B2
公开(公告)日：2019-06-04
申请号：US15472498
申请日：2017-03-29
发明人： Seung Kim , Hoikwan Lee , Seungho Kim , Jeongwoo Park
摘要： A method for fabricating a reinforced glass substrate includes forming a plurality of groove patterns in at least one surface of a plate glass, applying an ion exchange paste to the at least one surface in which the groove patterns are formed, applying an electric field to the plate glass coated with the ion exchange paste to form a reinforced plate glass, and cutting the reinforced plate glass to form a reinforced glass substrate.
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公开(公告)号：US09474125B2
公开(公告)日：2016-10-18
申请号：US14670680
申请日：2015-03-27
发明人： Seung Kim , Seungho Kim , Ikhyung Park , Jonghoon Yeum , Hoikwan Lee
摘要： Provided are a display apparatus and a method of manufacturing the display apparatus. The display apparatus includes a first substrate that is curved; a display unit on the first substrate; and a second substrate that covers the display unit, is curved, and faces the first substrate, at least one selected from edges of the first substrate and edges of the second substrate being at least partially chamfered.
摘要翻译： 提供一种显示装置和制造该显示装置的方法。 显示装置包括弯曲的第一基板; 第一基板上的显示单元; 并且覆盖所述显示单元的第二基板弯曲并面对所述第一基板，从所述第一基板的边缘和所述第二基板的边缘中选择的至少一个至少部分地被倒角。
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10.发明授权公开(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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