公开(公告)号：US20220291712A1

公开(公告)日：2022-09-15

申请号：US17638254

申请日：2020-08-28

Applicant: CORNING INCORPORATED

Inventor： SHINU BABY ,  NAIGENG CHEN ,  TIMOTHY MICHAEL GROSS ,  JASON THOMAS HARRIS ,  DHANANJAY JOSHI ,  YOUSEF KAYED QAROUSH ,  ARLIN LEE WEIKEL ,  TINGGE XU

IPC: G06F1/16

Abstract: Foldable apparatus comprise a foldable substrate foldable about an axis and a substrate thickness defined between a first major surface and a second major surface. The foldable substrate comprises a central portion positioned between a first portion and a second portion. The first portion comprising a substrate thickness. The central portion comprises a central thickness that is less than the substrate thickness. In some embodiments, a width of central portion is about 45 millimeters or less. Methods of making a foldable apparatus comprise forming a recess in a first major surface of the foldable substrate. In some embodiments, methods comprise chemically strengthening the foldable substrate.

公开(公告)号：US20230364888A1

公开(公告)日：2023-11-16

申请号：US18025994

申请日：2021-09-13

Applicant: CORNING INCORPORATED

Inventor： SUSHMIT SUNIL KUMAR GOYAL ,  JENNY KIM ,  YOUSEF KAYED QAROUSH ,  TINGGE XU

IPC: B32B17/10 ,  G06F1/16 ,  H04M1/02 ,  B32B7/12

CPC classification number: B32B17/10 ,  B32B7/12 ,  G06F1/1652 ,  H04M1/0268 ,  B32B2250/02 ,  B32B2307/418 ,  B32B2307/7376 ,  B32B2457/202

Abstract: Foldable apparatus comprise a plurality of first portions and at least one second portion positioned between a corresponding adjacent pair of first portions of the plurality of first portions. Each second portion of the at least one second portion comprises a maximum Young’s modulus ranging from about 500 times to about 500,000 times less than a minimum Young’s modulus of the corresponding adjacent pair of first portions. In some embodiments, the at least one second portion comprises at least five second portions. In some embodiments, each second portion of the at least one second portion comprises a thickness ranging from about 10 micrometers to about 250 micrometers. In some embodiments, each first portion comprises a first neutral plane and each second portion comprises a second neutral plane. In some embodiments, an apparatus bend force ranges from about 0.5 times to about 1 times a total bend force.

公开(公告)号：US20250136501A1

公开(公告)日：2025-05-01

申请号：US18689537

申请日：2022-09-07

Applicant: CORNING INCORPORATED

Inventor： DOUGLAS CLIPPINGER ALLAN ,  YOUSEF KAYED QAROUSH ,  STEVEN S ROSENBLUM ,  CHUANCHE WANG ,  TINGGE XU

IPC: C03C21/00

Abstract: Foldable substrates comprise a substrate thickness from about 80 micrometers to about 2 millimeters. Foldable substrates comprise a first portion, a second portion, and a central portion positioned therebetween. The central portion comprises a central thickness from about 25 micrometers to about 80 micrometers defined between a first central surface area and a second central surface area. A central total thickness variation of the central portion over the first central surface area is less than or equal to 10 micrometers. The central portion comprises a first transition region extending between a first surface area of the first portion and the first central surface area. The first central surface area is recessed from the first major surface by a first distance. A thickness of the first transition region smoothly and monotonically decreases between the substrate thickness of the first portion and the central thickness of the central portion.

公开(公告)号：US20230309368A1

公开(公告)日：2023-09-28

申请号：US18023824

申请日：2020-08-28

Applicant: CORNING INCORPORATED

Inventor： DOUGLAS CLIPPINGER ALLAN ,  MATTHEW JOHN DEJNEKA ,  YUHUI JIN ,  XINGHUA LI ,  YOUSEF KAYED QAROUSH ,  TINGGE XU

IPC: H10K77/10

CPC classification number: H10K77/111 ,  H10K2102/311

Abstract: Foldable substrates comprise a first outer layer comprising a first major surface, a second outer layer comprising a second major surface, and a core layer positioned therebetween. The core layer may comprise a first central surface area positioned between a first portion and a second portion of the first outer layer, and the core layer comprising a second central surface area positioned between a third portion and fourth portion of the second outer layer. Some foldable substrates comprise a first portion comprising a first depth of compression, a first depth of layer, and a first average concentration. The central portion may comprise a first central depth of compression, a first central depth of layer, and a central average concentration. Methods comprise chemically strengthening a foldable substrate. Some methods comprise etching the foldable substrate and then further chemically strengthening the foldable substrate.