Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hyun Joon Oh
Jeoungsub Lee
Heonjung Shin
Date of Patent
September 26, 2023
Patent Application Number
16926745
Date Filed
July 12, 2020
Patent Citations
Patent Primary Examiner
Patent abstract
A window for a display device includes: a film having flexibility; and at least one coating layer disposed on the film. As tensile stress acting on the film increases, the film is elastically deformed in a first range of strains of the film and plastically deformed in a second range of strains of the film greater than the first range, the first and second ranges being defined by a relationship between the tensile stress and a strain of the film in accordance with the tensile stress. The film has a yield strain in a third range from about 1.9% to about 2.25%, and the yield strain is defined as the strain of the film when a yield stress of the relationship in the first range is applied to the film.
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