公开(公告)号：US12257667B2

公开(公告)日：2025-03-25

申请号：US18158376

申请日：2023-01-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Cheolmin Park ,  Seungho Kim ,  Hoikwan Lee ,  Byunghoon Kang ,  Seung Kim ,  Changmoo Lee

IPC: C03C27/04 ,  B24B1/00 ,  B24B9/10 ,  B24B9/20 ,  B24B29/02 ,  B24B41/00 ,  B65G1/137 ,  B65G43/00 ,  C03B33/07 ,  C03C23/00 ,  G05D1/00 ,  B62D51/00

Abstract: A method of manufacturing a window may include cutting a window having a uniform thickness of about 20 μm to about 100 μm and polishing a cut surface of the window with a polishing pad having an elastic modulus less than an elastic modulus of the window while applying slurry to the cut surface of the window.

公开(公告)号：US11891329B2

公开(公告)日：2024-02-06

申请号：US16861791

申请日：2020-04-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seung Kim ,  Byunghoon Kang ,  Seungho Kim ,  Youngok Park ,  Sujin Sung ,  Gyuin Shim

IPC: C22C21/08 ,  C22F1/047 ,  C03C21/00 ,  C03B18/04 ,  C03B27/03 ,  G06F1/16 ,  C03C3/04 ,  C03C3/083 ,  G02F1/1333

CPC classification number: C03C21/002 ,  C03B18/04 ,  C03B27/03 ,  C03C3/04 ,  C03C3/083 ,  G06F1/1637 ,  C03C2203/24 ,  G02F1/133331 ,  G06F2200/1634 ,  Y10T428/315

Abstract: A window includes a base region and a compressive stress region disposed on the base region. The compressive stress region includes Li+, Na+, and K+ ions. The compressive stress region includes a first compressive stress portion in which a concentration of the K+ ions decreases, a concentration of Na+ ions increases, and a concentration of the Li+ ions increases, from a surface of the window toward the base region. A second compressive stress portion is adjacent to the first compressive stress portion. In the second compressive stress portion, the concentration of the Na+ ion decreases and the concentration of the Li+ ion increases, from the first compressive stress portion toward the base region. The window thereby has a high surface compressive stress value and impact resistance.

公开(公告)号：US11673829B2

公开(公告)日：2023-06-13

申请号：US16729783

申请日：2019-12-30

Applicant: Samsung Display Co., Ltd.

Inventor： Hoikwan Lee ,  Seung Kim ,  Seungho Kim

IPC: C03C21/00 ,  H05K5/00 ,  H05K5/03 ,  H10K102/00 ,  H05K5/02 ,  H10K50/84 ,  H01L51/52

CPC classification number: C03C21/002 ,  H05K5/0017 ,  H05K5/03 ,  H01L51/524 ,  H01L2251/5338 ,  H05K5/0226

Abstract: 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.

公开(公告)号：US11474561B2

公开(公告)日：2022-10-18

申请号：US17200327

申请日：2021-03-12

Applicant: Samsung Display Co., Ltd.

Inventor： Sanghoon Kim ,  Minsang Koo ,  Kyung-Man Kim ,  Seungho Kim ,  Min-Hoon Choi ,  Seongjin Hwang

IPC: G06F1/16

Abstract: A window includes a first cover layer, a second cover layer, and a first adhesive part. The first cover layer includes a first non-folding area, a folding area, and a second non-folding area that are arranged in a first direction, and a plurality of first recessed portions recessed from a top surface of the folding area and extended in a second direction intersecting the first direction. The second cover layer is disposed on the first cover layer. The first adhesive part is disposed between the first cover layer and the second cover layer, and includes protrusions disposed in the plurality of first recessed portions of the first cover layer.

公开(公告)号：US10804477B2

公开(公告)日：2020-10-13

申请号：US16205695

申请日：2018-11-30

Applicant: Samsung Display Co., Ltd.

Inventor： Seung Kim ,  Junehyoung Park ,  Jeongwoo Park ,  Seungho Kim ,  Hoikwan Lee

IPC: H01L51/00 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56 ,  B32B17/06 ,  B32B37/12 ,  B32B7/12

Abstract: 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.

公开(公告)号：US12215054B2

公开(公告)日：2025-02-04

申请号：US18528664

申请日：2023-12-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seung Kim ,  Byunghoon Kang ,  Seungho Kim ,  Youngok Park ,  Sujin Sung ,  Gyuin Shim

IPC: C22C21/08 ,  C03B18/04 ,  C03B27/03 ,  C03C3/04 ,  C03C3/083 ,  C03C21/00 ,  C22F1/047 ,  G06F1/16 ,  H04N9/31 ,  G02F1/1333

Abstract: A window includes a base region and a compressive stress region disposed on the base region. The compressive stress region includes Li+, Na+, and K+ ions. The compressive stress region includes a first compressive stress portion in which a concentration of the K+ ions decreases, a concentration of Na+ ions increases, and a concentration of the Li+ ions increases, from a surface of the window toward the base region. A second compressive stress portion is adjacent to the first compressive stress portion. In the second compressive stress portion, the concentration of the Na+ ion decreases and the concentration of the Li+ ion increases, from the first compressive stress portion toward the base region. The window thereby has a high surface compressive stress value and impact resistance.

公开(公告)号：US12037278B2

公开(公告)日：2024-07-16

申请号：US17404926

申请日：2021-08-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seung Kim ,  Byunghoon Kang ,  Kyungrok Ko ,  Seungho Kim ,  Young-Seok Seo ,  Gyuin Shim

IPC: C03B23/03

CPC classification number: C03B23/0302 ,  C03B23/0307

Abstract: Provided is a window molding apparatus including an inner molding part including a core molding part, which includes a plurality of sub-bottom surfaces having different curvature radii, and a flat molding part spaced apart from the sub-bottom surfaces and disposed on the core molding part, and an outer molding part which is disposed below the inner molding part with a member to be processed therebetween and in which a groove corresponding to the core molding part is defined. The outer molding part includes a lower surface, an upper surface configured to face the lower surface, and a plurality of sub-groove surfaces having different curvature radii that define the groove to provide a window including sub-bent portions having different curvature radii.

公开(公告)号：US20220272855A1

公开(公告)日：2022-08-25

申请号：US17462294

申请日：2021-08-31

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Changmoo Lee ,  Byunghoon Kang ,  Cheolmin Park ,  Seungho Kim ,  Hoikwan Lee

IPC: H05K5/03 ,  C03C15/00 ,  C03C19/00

Abstract: 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.

公开(公告)号：US20220135462A1

公开(公告)日：2022-05-05

申请号：US17404926

申请日：2021-08-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seung Kim ,  Byunghoon Kang ,  Kyungrok Ko ,  Seungho Kim ,  Young-Seok Seo ,  Gyuin Shim

IPC: C03B23/03

Abstract: Provided is a window molding apparatus including an inner molding part including a core molding part, which includes a plurality of sub-bottom surfaces having different curvature radii, and a flat molding part spaced apart from the sub-bottom surfaces and disposed on the core molding part, and an outer molding part which is disposed below the inner molding part with a member to be processed therebetween and in which a groove corresponding to the core molding part is defined. The outer molding part includes a lower surface, an upper surface configured to face the lower surface, and a plurality of sub-groove surfaces having different curvature radii that define the groove to provide a window including sub-bent portions having different curvature

公开(公告)号：US20190011605A1

公开(公告)日：2019-01-10

申请号：US15952119

申请日：2018-04-12

Applicant: Samsung Display Co., Ltd.

Inventor： Jeongwoo Park ,  Seungho Kim ,  Jong-hoon Yeum ,  Seung Kim ,  Junehyoung Park ,  Hoikwan Lee ,  Woojin Cho

IPC: G02B1/14 ,  C03C17/00 ,  C03C15/00 ,  C03C23/00 ,  H05K5/00

Abstract: 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.