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US 12,524,042 B2Granted
Window, electronic device including the same, and method of manufacturing the window
AssigneeSamsung Display Co., Ltd.
InventorHoikwan Lee
Life of this patent
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Abstract
A window for a window cover of an electronic device, includes: a glass material; a lower surface; an upper surface opposite to the lower surface; a folding portion to be folded relative to a folding axis extending in a first direction; and a non-folding portion including a first non-folding portion, and a second non-folding portion spaced from the first non-folding portion with the folding portion interposed therebetween. The non-folding portion has a surface compressive stress less than a surface compressive stress of the folding portion.
Claims11
A method of manufacturing a window, comprising:
- providing a base glass comprising a folding portion, and a non-folding portion adjacent to the folding portion;
- providing a strengthening salt paste to the base glass;
- heat-treating the strengthening salt paste;
- and
- cleaning the strengthening salt paste after the heat-treating,
- wherein the non-folding portion of the base glass comprises:
- a first portion spaced from the folding portion of the base glass;
- and
- a second portion between the first portion and the folding portion of the base glass, and
- wherein a concentration of K+ ions of the strengthening salt paste increases in an order of the first portion, the second portion, and the folding portion of the base glass.
7 more elements
Dependencies are inferred from the claim text.