Title:
FLEXIBLE STAINLESS FOIL AND FLEXIBLE LIGHT-EMITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/210918
Kind Code:
A1
Abstract:
Provided is a stainless foil having improved durability against repeated bending under stringent bending conditions that are required for foldable displays and rollable displays. The stainless foil is a rolled stainless foil having a thickness of 0.1 mm or less, and is a flexible stainless foil having a tensile strength of 1800 MPa or more and a maximum height roughness Rz of 0.35 μm or less, in which the maximum height roughness Rz is measured from a roughness curve for the surface of the stainless foil which is measured in the same direction as the direction of stretching.
Inventors:
KIMURA KEIICHI (JP)
YOSHIDA YUUKI (JP)
HIRAGA TAKUYA (JP)
FUKUDA MASAHIRO (JP)
KUMA YUJI (JP)
YOSHIDA YUUKI (JP)
HIRAGA TAKUYA (JP)
FUKUDA MASAHIRO (JP)
KUMA YUJI (JP)
Application Number:
PCT/JP2022/016116
Publication Date:
October 06, 2022
Filing Date:
March 30, 2022
Export Citation:
Assignee:
NIPPON STEEL CHEMICAL & MAT CO LTD (JP)
International Classes:
C21D9/46; C22C38/00; C22C38/58; C22C38/60
Domestic Patent References:
| WO2017030148A1 | 2017-02-23 | |||
| WO2017154981A1 | 2017-09-14 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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