公开(公告)号：US11999651B2

公开(公告)日：2024-06-04

申请号：US17398580

申请日：2021-08-10

Applicant: CORNING INCORPORATED

Inventor： Paulo Jorge Gaspar Marques ,  Antoine Marie Joseph Lepicard ,  Jian Luo ,  Lina Ma ,  Alexander I. Priven

IPC: C03C3/068

CPC classification number: C03C3/068

Abstract: Glasses containing silicon dioxide (SiO2) and/or boron oxide (B2O3) as glass formers and having a refractive index nd of greater than or equal to 1.7, as measured at 587.56 nm, and a density of less than or equal to 4.5 g/cm3, as measured at 25° C., are provided. Optionally, the glasses may be characterized by a low optical dispersion, a high transmittance in the visible and near-ultraviolet (near-UV) range of the electromagnetic spectrum, and/or good glass forming ability.

公开(公告)号：US11905209B2

公开(公告)日：2024-02-20

申请号：US18083527

申请日：2022-12-18

Applicant: CORNING INCORPORATED

Inventor： Shuo Cui ,  Xiaoju Guo ,  Peter Joseph Lezzi ,  Jian Luo

IPC: C03C3/097 ,  C03C21/00 ,  C03C3/091 ,  C03C3/083 ,  C03C4/18

CPC classification number: C03C3/097 ,  C03C3/083 ,  C03C3/091 ,  C03C4/18 ,  C03C21/002 ,  C03C2204/00

Abstract: A glass composition comprises: 50.0 mol % to 70.0 mol % SiO2; 10.0 mol % to 25.0 mol % Al2O3; 0.0 mol % to 5.0 mol % P2O3; 0.0 mol % to 10.0 mol % B2O3; 5.0 mol % to 15.0 mol % Li2O; 1.0 mol % to 15.0 mol % Na2O; and 0.0 mol % to 1.0 mol % K2O. The sum of all alkali oxides, R2O, present in the glass composition may be in the range from greater than or equal to 11.0 mol % to less than or equal to 23.0 mol %. The sum of Al2O3 and R2O present in the glass composition may be in the range from greater than or equal to 26.0 mol % to less than or equal to 40.0 mol %. The glass composition may satisfy the relationship −0.1≤(Al2O3—(R2O+RO))/Li2O≤0.3.

公开(公告)号：US11897808B2

公开(公告)日：2024-02-13

申请号：US17412502

申请日：2021-08-26

Applicant: Corning Incorporated

Inventor： Xiaoju Guo ,  Peter Joseph Lezzi ,  Jian Luo

IPC: C03C3/091 ,  C03C10/00 ,  C03C4/02 ,  C03C21/00

CPC classification number: C03C10/0054 ,  C03C4/02 ,  C03C10/0027 ,  C03C21/002 ,  C03C2204/04

Abstract: A glass composition includes: greater than or equal to 24 mol % and less than or equal to 60 mol % SiO2; greater than or equal to 23 mol % and less than or equal to 35 mol % Al2O3; greater than or equal to 3.5 mol % and less than or equal to 35 mol % B2O3; greater than 0 mol % and less than or equal to 20 mol % Li2O; greater than or equal to 0 mol % and less than or equal to 10 mol % Na2O; and greater than or equal to 0 mol % and less than or equal to 3 mol % K2O. The sum of Li2O, Na2O, and K2O (i.e., R2O) in the glass composition may be greater than or equal to 12 mol % and less than or equal to 20 mol %.

公开(公告)号：US11884585B2

公开(公告)日：2024-01-30

申请号：US17958864

申请日：2022-10-03

Applicant: CORNING INCORPORATED

Inventor： Xiaoju Guo ,  Peter Joseph Lezzi ,  Jian Luo

IPC: C03C3/091 ,  C03C3/097 ,  H05K5/03 ,  C03C21/00

CPC classification number: C03C3/097 ,  C03C21/002 ,  H05K5/03

Abstract: A glass composition includes greater than or equal to 60 mol % to less than or equal to 66 mol % SiO2, greater than or equal to 14 mol % to less than or equal to 16 mol % Al2O3, greater than or equal to 7 mol % to less than or equal to 9 mol % Li2O, greater than or equal to 4 mol % to less than or equal to 6 mol % Na2O, greater than or equal to 0.5 mol % to less than or equal to 3 mol % P2O5, greater than or equal to 0.5 mol % to less than or equal to 6 mol % B2O3; and greater than 0 mol % to less than or equal to 1 mol % TiO2. The glass composition may have a fracture toughness of greater than or equal 0.75 MPa√m. A glass composition includes SiO2, Al2O3, Li2O, Na2O, P2O5, and B2O3, wherein a molar ratio of Li2O/Na2O is greater than or equal to 1.2 to less than or equal to 2.0, the glass has a liquidus viscosity in the range from greater than or equal to 50 kP to less than or equal to 75 kP, and the glass has a KIC fracture toughness greater than or equal to 0.75 MPa·m0.5. The glass composition is chemically strengthenable. The glass composition may be used in a glass-based article or a consumer electronic product.

公开(公告)号：US11787731B2

公开(公告)日：2023-10-17

申请号：US17510544

申请日：2021-10-26

Applicant: CORNING INCORPORATED

Inventor： Xiaoju Guo ,  Peter Joseph Lezzi ,  Jian Luo

IPC: C03C3/091 ,  C03C3/093 ,  C03C10/00 ,  C03B32/02 ,  C03C4/00

CPC classification number: C03C10/0027 ,  C03B32/02 ,  C03C4/00 ,  C03C10/0054 ,  C03C2204/00

Abstract: A glass composition includes: greater than or equal to 53 mol % and less than or equal to 70 mol % SiO2; greater than or equal to 9 mol % and less than or equal to 20 mol % Al2O3; greater than or equal to 10 mol % and less than or equal to 17.5 mol % B2O3; greater than or equal to 0 mol % Li2O; greater than or equal to 0 mol % Na2O; and greater than 0.1 mol % of a nucleating agent. The sum of Li2O and Na2O in the glass composition may be greater than or equal to 8 mol % and less than or equal to 30 mol %. The amount of Al2O3 minus the sum of R2O and RO in the glass composition may be greater than or equal to −3 mol %. The glass composition may be phase separable and may have an improved KIc fracture toughness.

公开(公告)号：US11787729B2

公开(公告)日：2023-10-17

申请号：US17313281

申请日：2021-05-06

Applicant: CORNING INCORPORATED

Inventor： Jian Luo ,  Lina Ma ,  Alexander I. Priven

IPC: C03C3/097

CPC classification number: C03C3/097

Abstract: A glass composition having a content of SiO2 that is greater than or equal to about 44.0 mol. % and less than or equal to about 60.0 mol. % and a content of ZnO that is less than or equal to about 1.0 mol. %. Additionally, the glass composition is essentially free of Pb and Bi. The glass composition also has a refractive index that is greater than or equal to 1.75 and a density that is less than or equal to about 4.5 g/cm3.

公开(公告)号：US20230167006A1

公开(公告)日：2023-06-01

申请号：US17994636

申请日：2022-11-28

Applicant: CORNING INCORPORATED

Inventor： Xiaoju Guo ,  Peter Joseph Lezzi ,  Jian Luo

IPC: C03C3/087 ,  C03C3/095 ,  C03C21/00

CPC classification number: C03C3/087 ,  C03C3/095 ,  C03C21/002

Abstract: A glass is provided, comprising: greater than or equal to 50.4 mol % to less than or equal to 60.5 mol % SiO2; greater than or equal to 16.4 mol % to less than or equal to 19.5 mol % Al2O3; greater than or equal to 2.4 mol % to less than or equal to 9.5 mol % B2O3; greater than or equal to 0 mol % to less than or equal to 5.5 mol % MgO; greater than or equal to 0.4 mol % to less than or equal to 7.5 mol % CaO; greater than or equal to 0 mol % to less than or equal to 3.5 mol % ZnO; greater than or equal to 7.4 mol % to less than or equal to 11.5 mol % Li2O; greater than 0.4 mol % to less than or equal to 5.5 mol % Na2O; greater than or equal to 0 mol % to less than or equal to 1.0 mol % K2O; greater than 0.1 mol % to less than or equal to 1.5 mol % ZrO2; and greater than or equal to 0 mol % to less than or equal to 2.5 mol % Y2O3. Related articles and methods are also provided.

公开(公告)号：US11485674B2

公开(公告)日：2022-11-01

申请号：US16370002

申请日：2019-03-29

Applicant: CORNING INCORPORATED

Inventor： Xiaoju Guo ,  Peter Joseph Lezzi ,  Jian Luo

IPC: C03C3/087 ,  C03C21/00 ,  C03C3/085 ,  C03C3/091 ,  C03C3/095 ,  G02F1/1333

Abstract: A glass composition includes: 50 mol % to 69 mol % SiO2; 12.5 mol % to 25 mol % Al2O3; 0 mol % to 8 mol % B2O3; greater than 0 mol % to 4 mol % CaO; greater than 0 mol % to 17.5 mol % MgO; 0.5 mol % to 8 mol % Na2O; 0 mol % to 2.5 mol % La2O3; and greater than 8 mol % to 18 mol % Li2O, wherein (Li2O+Na2O+MgO)/Al2O3 is from 0.9 to less than 1.3; and Al2O3+MgO+Li2O+ZrO2+La2O3+Y2O3 is from greater than 23 mol % to less than 50 mol %. The glass composition may be characterized by at least one of the following: a K1C value measured by a chevron short bar method of at least 0.75; and a K1C value measured by a double torsion method of at least 0.8. The glass composition is chemically strengthenable. The glass composition may be used in a glass article or a consumer electronic product.

公开(公告)号：US20220234940A1

公开(公告)日：2022-07-28

申请号：US17576005

申请日：2022-01-14

Applicant: CORNING INCORPORATED

Inventor： Bruce Gardiner Aitken ,  Jian Luo ,  Lina Ma ,  Alexander I Priven

IPC: C03C3/21

Abstract: Glass compositions include niobia (Nb2O5), phosphorus oxide (P2O5) and titania (TiO2) as essential components and may optionally include calcium oxide (CaO), potassium oxide (K2O), barium oxide (BaO), sodium oxide (Na2O), lithium oxide (Li2O), magnesia (MgO), zinc oxide (ZnO) and other components. The glasses may be characterized by high refractive index at 587.56 nm at comparably low density at room temperature.

公开(公告)号：US20210147280A1

公开(公告)日：2021-05-20

申请号：US17095830

申请日：2020-11-12

Applicant: CORNING INCORPORATED

Inventor： Xiaoju Guo ,  Peter Joseph Lezzi ,  Jian Luo

IPC: C03C3/091 ,  C03C4/18 ,  H05K5/00 ,  H05K5/03

Abstract: Glass compositions including 50 mol % to 65 mol % SiO2, 13 mol % to 20 mol % Al2O3, 6 mol % or more B2O3, 0 mol % to 5 mol % MgO, 0 mol % to 2 mol % CaO, 8 mol % to 14 mol % Li2O, 0 mol % to 4 mol % Na2O, and 0 mol % to 1 mol % K2O, where Al2O3 mol %>R2O+R′O—3 mol %. The glass compositions may have a K1C value of 0.75 MPa*m1/2 or more measured by a chevron short bar method. The glass compositions may be used in a glass article or consumer electronic product.