FLEXIBLE STAINLESS STEEL FOIL AND FLEXIBLE LIGHT EMITTING DEVICE
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United States of America Patent
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May 9, 2024
app pub date -
Mar 30, 2022
filing date -
Mar 31, 2021
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Abstract
Stainless steel foil with improved durability to repeated bending under the extreme bending conditions demanded of foldable displays and rollable displays. This stainless steel foil is flexible stainless steel foil comprising rolled stainless steel foil with a thickness of 0.1 mm or less, having a tensile strength of 1,800 MPa or more, and having a maximum height roughness of Rz of 0.35 μm or less obtained from a roughness curve of the stainless steel foil surface as measured in the same direction as a tensile direction.
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