公开(公告)号：US20240359284A1

公开(公告)日：2024-10-31

申请号：US18764511

申请日：2024-07-05

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.

公开(公告)号：US20240083811A1

公开(公告)日：2024-03-14

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: 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.

公开(公告)号：US20230303423A1

公开(公告)日：2023-09-28

申请号：US18094966

申请日：2023-01-09

Applicant: Samsung Display Co., LTD. ,  Kongju National University Industry-University Cooperation Foundation

Inventor： Seung KIM ,  Woon Jun CHUNG ,  Kyeong Dae PARK ,  Min Gyeong KANG ,  Seung Ho KIM ,  Seong Young PARK ,  Cheol Min PARK ,  Hui Yeon SHON ,  Gyu In SHIM ,  Jae Gil LEE ,  Jin Won JANG ,  So Mi JUNG

IPC: C03C3/085 ,  C03C3/091 ,  C03C3/097 ,  H05K5/03

CPC classification number: C03C3/085 ,  C03C3/091 ,  C03C3/097 ,  H05K5/03

Abstract: A glass article having a glass composition including about 60 mol% to about 70 mol% of SiO2, about 5 mol% to about 15 mol% of Al2O3, about 5 mol% to about 15 mol% of Na2O, about 5 mol% to about 15 mol% of Li2O, about 0 mol% to about 5 mol% of MgO, and about 0 mol% to about 5 mol% of ZrO2 based on a total weight of the glass composition, where a thickness of the glass article is in a range of about 20 µm to about 100 µm, and the glass composition satisfies the following Relational Expression: 0.3

公开(公告)号：US20210269356A1

公开(公告)日：2021-09-02

申请号：US17031641

申请日：2020-09-24

Applicant: Samsung Display Co., Ltd.

Inventor： Byung Hoon KANG ,  Seung KIM ,  Young Ok PARK ,  Su Jin SUNG ,  Gyu In SHIM

IPC: C03C21/00 ,  C03C3/083 ,  C03C4/18

Abstract: A method for manufacturing a glass article for a display device includes: providing a LAS-based glass; a first step of immersing the LAS-based glass in a first molten salt; a second step of immersing the LAS-based glass subjected to the first step in a second molten salt; and a third step of immersing the LAS-based glass subjected to the second step in a third molten salt, wherein the concentrations of the first, second, and third molten salts and manufacturing conditions are defined herein.

公开(公告)号：US20240270637A1

公开(公告)日：2024-08-15

申请号：US18644466

申请日：2024-04-24

Applicant: Samsung Display Co., LTD.

Inventor： Byung Hoon KANG ,  Seung KIM ,  Young Ok PARK ,  Su Jin SUNG ,  Gyu In SHIM

IPC: C03C21/00 ,  C03C3/083 ,  C03C4/18

CPC classification number: C03C21/002 ,  C03C3/083 ,  C03C4/18 ,  C03C2204/00

Abstract: A method for manufacturing a glass article for a display device includes: providing a LAS-based glass; a first step of immersing the LAS-based glass in a first molten salt; a second step of immersing the LAS-based glass subjected to the first step in a second molten salt; and a third step of immersing the LAS-based glass subjected to the second step in a third molten salt, wherein the concentrations of the first, second, and third molten salts and manufacturing conditions are defined herein.

公开(公告)号：US20240190755A1

公开(公告)日：2024-06-13

申请号：US18243400

申请日：2023-09-07

Applicant: Samsung Display Co., LTD. ,  Kongju National University Industry-University Cooperation Foundation

Inventor： So Mi JUNG ,  Woon Jin CHUNG ,  Min Gyeong KANG ,  Seung KIM ,  Seung Ho KIM ,  Kyeong Dae PARK ,  Seong Young PARK ,  Cheol Min PARK ,  Hui Yeon SHON ,  Gyu In SHIM ,  Jae Gil LEE ,  Jin Won JANG

IPC: C03C3/085

CPC classification number: C03C3/085

Abstract: A glass article includes, as a glass composition, about 73 mol % to about 83 mol % of SiO2, greater than about 0 mol % to about 5 mol % of Al2O3, about 10 mol % to about 20 mol % of Na2O and about 3 mol % to about 8 mol % of MgO based on the total weight, satisfying Inequality (1) below:


0

公开(公告)号：US20230295034A1

公开(公告)日：2023-09-21

申请号：US18057434

申请日：2022-11-21

Applicant: Samsung Display Co., LTD. ,  Kongju National University Industry-University Cooperation Foundation

Inventor： Seung KIM ,  Woon Jin CHUNG ,  Kyeong Dae PARK ,  Min Gyeong KANG ,  Seung Ho KIM ,  Seong Young PARK ,  Cheol Min PARK ,  Hui Yeon SHON ,  Gyu In SHIM ,  Jae Gil LEE ,  Jin Won JANG ,  So Mi JUNG

IPC: C03C3/083 ,  B32B17/10

CPC classification number: C03C3/083 ,  B32B17/10 ,  B32B2457/202 ,  B32B2457/206

Abstract: A glass composition article including as a glass composition, wherein the glass composition includes about 60 to about 75 mole percent (mol %) of SiO2, about 3 to about 10 mol % of Al2O3, about 3 to about 10 mol % of Na2O, about 10 to about 25 mol % of Li2O, 0 to about 1 mol % of P2O5, and about 1 to about 5 mol % of ZrO2, wherein each amount is based on 100 mole percent total of the glass composition, wherein a thickness of the glass article is in a range of about 20 micrometers to about 100 micrometers, and wherein the glass composition satisfies Mathematical Expression 1:


0.1

公开(公告)号：US20210317035A1

公开(公告)日：2021-10-14

申请号：US17093041

申请日：2020-11-09

Applicant: Samsung Display Co., Ltd.

Inventor： Gyu In SHIM ,  Seung KIM ,  Byung Hoon KANG ,  Young Ok PARK ,  Su Jin SUNG

IPC: C03C21/00

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.

公开(公告)号：US20210188703A1

公开(公告)日：2021-06-24

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: C03C21/00

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.

公开(公告)号：US20250008676A1

公开(公告)日：2025-01-02

申请号：US18439721

申请日：2024-02-12

Applicant: Samsung Display Co., LTD.

Inventor： Seung Ho KIM ,  Jae Gil LEE ,  Seung KIM ,  Cheol Min PARK ,  Gyu In SHIM ,  Jin Won JANG ,  So Mi JUNG

IPC: H05K5/03 ,  C03C3/083

Abstract: A glass article includes a first surface and a second surface opposite to the first surface in a thickness direction. A thickness from the first surface to the second surface ranges from about 20 micrometers (μm) to about 100 μm. A first brittleness index defined by following Equation 1 is about 1.5*10−4 μm0.5 or more: First ⁢ brittleness ⁢ index ⁢ = 1 / B = K IC / H v ( μ ⁢ m 0.5 ) [ Equation ⁢ 1 ] where ‘B’ is brittleness, ‘KIC’ is fracture toughness, and ‘Hv’ is hardness, and a stretch index defined by following Equation (2) is about 0.95 or more: β KWW = 1 - ( T 0 - T g ) 2 D [ Equation ⁢ ( 2 ) ] where ‘D’ is a strength factor (=BVFT/T0), ‘T0’ is a Vogel temperature, and ‘Tg’ is a glass transition temperature.