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    Glass product and display device including the same
    2.
    发明授权
    Glass product and display device including the same 有权

    公开(公告)号：US11639309B2

    公开(公告)日：2023-05-02

    申请号：US16931142

    申请日：2020-07-16

    Applicant: Samsung Display Co., LTD.

    Inventor： Byung Hoon Kang ,  Seung Kim ,  Gyu In Shim ,  Hoi Kwan Lee

    IPC: C03C21/00 ,  B32B7/12 ,  B32B17/06 ,  H01L33/48 ,  H01L27/15

    Abstract: A glass product includes: a first compressive region at a first surface; a second compressive region at a second surface; and a tensile region between the first and second compression regions. A stress profile of the first compressive region includes a first trend line between the first surface and a first transition point, a second trend line between the first transition point and a second transition point, and a third trend line between the second transition point and a point at a first compression depth from the first surface. A depth from the first surface to the first transition point is 10 μm or less, a stress at the first transition point is 200 MPa or greater, a depth from the first surface to the second transition point is 50 μm to 80 μm, and a stress at the second transition point is 40 MPa to 100 MPa.

    Glass article and method for producing the same
    5.
    发明授权
    Glass article and method for producing the same 有权

    公开(公告)号：US11465936B2

    公开(公告)日：2022-10-11

    申请号：US16945606

    申请日：2020-07-31

    Applicant: Samsung Display Co., LTD.

    Inventor： Byung Hoon Kang ,  Seung Kim ,  Young Ok Park ,  Su Jin Sung ,  Gyu In Shim

    IPC: B32B15/04 ,  B32B17/06 ,  C03C21/00 ,  C03C3/083

    Abstract: A glass article includes lithium alumino-silicate (“LAS”), a first surface, a second surface opposed to the first surface, a first compressive region extended from the first surface to a first compression depth, a second compressive region extended from the second surface to a second compression depth, and a tensile region disposed between the first compression depth and the second compression depth, wherein a stress profile in the first compressive region comprises a first segment provided between the first surface and a first transition point and a second segment provided between the first transition point and the first compression depth, and wherein a ratio of a stress at the first transition point to a stress at the first surface ranges from 0.22 to 0.47.

    Glass article and display device including the same
    7.
    发明授权
    Glass article and display device including the same 有权

    公开(公告)号：US12122710B2

    公开(公告)日：2024-10-22

    申请号：US18515164

    申请日：2023-11-20

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Gyu In Shim ,  Seung Kim ,  Byung Hoon Kang ,  Young Ok Park ,  Su Jin Sung

    IPC: B32B15/04 ,  B32B17/06 ,  C03C21/00

    CPC classification number: C03C21/002

    Abstract: A glass article includes a first surface, a second surface opposed to the first surface, a first compressive region extending from the first surface to a first compression depth, a second compressive region extending from the second surface to a second compression depth and a tensile region between the first compression depth and the second compression depth. A stress profile of the first compressive region includes a first segment located between the first surface and a first transition point and a second segment located between the first transition point and the first compression depth. A depth from the first surface to the first transition point ranges from 6.1 μm to 8.1 μm. A compressive stress at the first transition point ranges from 207 MPa to 254 MPa. A stress-depth ratio of the first transition point ranges from 28 MPa/μm to 35 MPa/μm.

    Glass article and display device including the same
    8.
    发明授权
    Glass article and display device including the same 有权

    公开(公告)号：US11820702B2

    公开(公告)日：2023-11-21

    申请号：US17816710

    申请日：2022-08-01

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Gyu In Shim ,  Seung Kim ,  Byung Hoon Kang ,  Young Ok Park ,  Su Jin Sung

    IPC: B32B15/04 ,  B32B17/06 ,  C03C21/00

    CPC classification number: C03C21/002

    Abstract: A glass article includes a first surface, a second surface opposed to the first surface, a first compressive region extending from the first surface to a first compression depth, a second compressive region extending from the second surface to a second compression depth and a tensile region between the first compression depth and the second compression depth. A stress profile of the first compressive region includes a first segment located between the first surface and a first transition point and a second segment located between the first transition point and the first compression depth. A depth from the first surface to the first transition point ranges from 6.1 μm to 8.1 μm. A compressive stress at the first transition point ranges from 207 MPa to 254 MPa. A stress-depth ratio of the first transition point ranges from 28 MPa/μm to 35 MPa/μm.

    Glass polishing apparatus and glass polishing method using the same
    10.
    发明授权
    Glass polishing apparatus and glass polishing method using the same 有权

    公开(公告)号：US12059771B2

    公开(公告)日：2024-08-13

    申请号：US17348745

    申请日：2021-06-15

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Gyu In Shim ,  Byung Hoon Kang ,  Seung Kim ,  Seung Ho Kim

    IPC: B24B7/24 ,  B24B7/07 ,  C03C15/02

    CPC classification number: B24B7/241 ,  B24B7/075 ,  C03C15/02

    Abstract: A glass polishing apparatus includes a jig that holds a glass structure. The glass polishing apparatus includes a first flat portion, a second flat portion opposite to the first flat portion, and a curved portion connecting the first flat portion to the second flat portion. The jig and includes a first holding surface holding the first flat portion, a second holding surface disposed opposite to the first holding surface and holding the second flat portion, and a third holding surface connecting the first holding surface to the second holding surface and holding the curved portion. At least a portion of a roller unit having a cylindrical shape is inserted between the first flat portion and the second flat portion.

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