公开(公告)号：US20240300847A1

公开(公告)日：2024-09-12

申请号：US18405212

申请日：2024-01-05

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

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

IPC: C03C3/091

CPC classification number: C03C3/091

Abstract: A glass composition, a glass article prepared therefrom, and a display device are provided. The a glass article includes, as a glass composition, 62 to 72 mol % of SiO2, greater than 0 and equal to or less than 10 mol % of Al2O3, 10 to 20 mol % of Na2O, greater than 0 and equal to or less than 5 mol % of K2O, 7 to 18 mol % of a sum of CaO and MgO with respect to a total weight of the glass article, satisfying Relation 1 below, and having a thickness of 100 μm or less: 0.1≤Al2O3/(sum of Na2O and K2O)≤0.6 . . . (Relation 1), where Al2O3, Na2O and K2O are contents of corresponding components measured in mole percents (mol %).

公开(公告)号：US20230219837A1

公开(公告)日：2023-07-13

申请号：US17891988

申请日：2022-08-19

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

Inventor： Seung Ho KIM ,  Woon Jin CHUNG ,  Kyeong Dae PARK ,  Min Gyeong KANG ,  Seung KIM ,  Cheol Min PARK ,  Hyun Chul BAE ,  Hui Yeon SHON ,  Gyu In SHIM ,  So Mi JUNG ,  Seong Ho LEE

IPC: C03C3/091 ,  C03C3/085

CPC classification number: C03C3/091 ,  C03C3/085

Abstract: A glass composition, glass article prepared from the glass composition, and display device are provided. The glass article includes, as a glass composition, about 45 to about 65 mol % of SiO2, about 15 to about 25 mol % of Al2O3, about 15 to about 25 mol % of Na2O, and 0 to about 10 mol % of B2O3 based on a total weight of the glass composition, where the glass composition has a thermal expansion coefficient of about 70*10−7 K−1 to about 85*10−7 K−1.

公开(公告)号：US20250015825A1

公开(公告)日：2025-01-09

申请号：US18886817

申请日：2024-09-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Byung Hoon KANG ,  Byeong-Beom KIM ,  Seung Ho KIM ,  Cheol Min PARK ,  Chang Moo LEE ,  Hoi Kwan LEE

IPC: H04B1/3888 ,  B32B17/10 ,  C03C23/00 ,  G06F1/16

Abstract: A cover window, a manufacturing method of a cover window, and a display device including a cover window are provided. A cover window includes a folding portion and a non-folding portion, and the folding portion includes an inside surface that is compressed when folded and an outside surface that is stretched when folded, the folding portion includes a first layer adjacent to the outside surface, a second layer adjacent to the inside surface, and a third layer between the first layer and the second layer, the folding portion and the non-folding portion include at least one metal ion, a concentration of the metal ion included in the second layer is higher than a concentration of the metal ion included in the first layer, and the first layer includes a plurality of depletion regions.

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：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.

公开(公告)号：US20250002394A1

公开(公告)日：2025-01-02

申请号：US18429164

申请日：2024-01-31

Applicant: Samsung Display Co., LTD. ,  Nippon Electric Glass Co Ltd

Inventor： Seung Ho KIM ,  Yuta NAGANO ,  Takashi MURATA ,  Yusuke SHIMIZU ,  Ken YUKI ,  Kosuke KAWAMOTO ,  Seung KIM ,  Cheol Min PARK ,  Hui Yeon SHON ,  Gyu In SHIM ,  Jae Gil LEE ,  Jin Won JANG ,  So Mi JUNG

IPC: C03C3/085 ,  C03B21/02 ,  C03B27/03 ,  C03C15/00 ,  C03C21/00

Abstract: A glass article includes a glass composition including mole percent (mol %) to 70 mol % of SiO2, 5 mol % to 15 mol % of Al2O3, 5 mol % to 15 mol % of Na2O, greater than 0 mol % and equal to or less than 5 mol % of K2O, 5 mol % to 15 mol % of Li2O, and greater than 0 mol % and equal to or less than 5 mol % of MgO, and satisfying Relation (1) below: 0.1≤Al2O3/(sum of Na2O,K2O, and Li2O)≤0.7  (1), where Al2O3, Na2O, K2O, and Li2O in the Relation (1) denote contents (mol %) of Al2O3, Na2O, K2O, and Li2O, respectively, in the glass composition, and the glass article has a thickness of 100 micrometers (μm) or less.

公开(公告)号：US20240421158A1

公开(公告)日：2024-12-19

申请号：US18815812

申请日：2024-08-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Cheol Min PARK ,  Yi Joon AHN ,  Atsushi NEMOTO ,  Woo Suk SEO ,  Eun Kyung YEON ,  Jae Been LEE ,  Tae Ho LEE

IPC: H01L27/12 ,  H01L25/16

Abstract: A tiled display device includes a plurality of display devices including a plurality of display areas including pixels, and a coupling area between adjacent display areas from among the plurality of display areas. Each of the plurality of display devices includes: a substrate including a first portion configured to support the display area, a second portion extending from the first portion to be bent, and a third portion extending from the second portion, a display layer on the first portion of the substrate and including the pixels, a connection line at an edge of the first portion of the substrate and connected to the plurality of pixels, a pad portion on the third portion of the substrate, a fan-out line on the second portion of the substrate and connected between the pad portion and the connection line, and pattern holes penetrating the second portion of the substrate.

公开(公告)号：US20240239703A1

公开(公告)日：2024-07-18

申请号：US18371086

申请日：2023-09-21

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

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

IPC: C03C3/093 ,  C03C3/085 ,  H05K5/03

CPC classification number: C03C3/093 ,  C03C3/085 ,  H05K5/03

Abstract: A glass composition, a glass article prepared therefrom, and a display device are provided. The glass article includes as a glass composition: 59 to 69 mol % of SiO2, 8 to 18 mol % of Al2O3, greater than 0 to 5 mol % of Na2O, greater than 0 to 5 mol % of ZnO, and greater than 0 to 10 mol % of B2O3, and glass article further includes 10 to 20 mol % of CaO or 15 to 25 mol % of MgO, satisfies Relation 1 below, and has a thickness of 100 μm or less,


4.5≤Al2O3/Na2O≤5.5  (Relation 1),

where, in Relation 1, Al2O3 and Na2O represent contents (mol %) of corresponding components, respectively, in the glass composition.

公开(公告)号：US20240239083A1

公开(公告)日：2024-07-18

申请号：US18237545

申请日：2023-08-24

Applicant: Samsung Display Co., LTD.

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

IPC: B32B17/06 ,  B32B7/12 ,  H05K5/03

CPC classification number: B32B17/06 ,  B32B7/12 ,  H05K5/03 ,  B32B2307/54 ,  B32B2307/558 ,  B32B2307/56 ,  B32B2307/7376 ,  B32B2457/20

Abstract: A glass article has a thickness in a range of 20 μm to 100 μm and a third elastic energy index of 1.8 MPa2/m0.5 or greater, where the third elastic energy index is defined by Equation 2-3: Third elastic energy index (Eelas3)=GIC×(1/B)×Eabs (Equation 2-3), where GIC is a fracture energy index defined by Equation 1: Fracture energy index (GIC)=(KIC2×(1−v2))/E (Equation 1), where KIC is fracture toughness, v is Poisson's ratio, and E is Young's modulus, B is brittleness (fracture toughness KIC/hardness Hv), and Eabs is absorption energy defined by Equation A: Absorption energy (Eabs)=σ2×(1−v)/E (Equation A), where σ is surface strength defined by Equation B: Surface strength (σ)=(E×α×ρ2)/(1−v) (Equation B), where E is Young's modulus, α is a thermal expansion coefficient, ρ is density, and v is Poisson's ratio.