Foldable cover and display for an electronic device
First Claim
Patent Images
1. An electronic device comprising:
- a display layer; and
a cover layer coupled to the display layer and defining a foldable region that includes a ceramic material forming an exterior surface of the electronic device, wherein;
the display layer and the cover layer are configured to be moved between a folded configuration and an unfolded configuration by bending the cover layer along the foldable region;
the folded configuration defines a fold in the cover layer;
a first portion of the foldable region located at an inside of the fold in the folded configuration has a first compressive stress in the folded configuration;
a second portion of the foldable region located at an outside of the fold in the folded configuration has a second compressive stress in the unfolded configuration;
the first portion has a third compressive stress in an intermediate configuration, between the folded and the unfolded configurations, that is less than the first compressive stress; and
the second portion has a fourth compressive stress in the intermediate configuration that is less than the second compressive stress.
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Abstract
Electronic devices including a display layer and a cover layer including a foldable region are disclosed herein. The display layer and the cover layer are configured to be moved between a folded configuration and an unfolded configuration by bending the cover layer along the foldable region. Methods of making a cover layer for an electronic device are also disclosed.
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Citations
20 Claims
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1. An electronic device comprising:
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a display layer; and a cover layer coupled to the display layer and defining a foldable region that includes a ceramic material forming an exterior surface of the electronic device, wherein; the display layer and the cover layer are configured to be moved between a folded configuration and an unfolded configuration by bending the cover layer along the foldable region; the folded configuration defines a fold in the cover layer; a first portion of the foldable region located at an inside of the fold in the folded configuration has a first compressive stress in the folded configuration; a second portion of the foldable region located at an outside of the fold in the folded configuration has a second compressive stress in the unfolded configuration; the first portion has a third compressive stress in an intermediate configuration, between the folded and the unfolded configurations, that is less than the first compressive stress; and the second portion has a fourth compressive stress in the intermediate configuration that is less than the second compressive stress. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An electronic device comprising:
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a display; a translucent substrate coupled to the display, the translucent substrate comprising a ceramic material forming an exterior surface of the electronic device, and having a foldable region including a relief feature; and a filler disposed in the relief feature and optically index matched to the translucent substrate, wherein; the translucent substrate is configured to move between a folded configuration and an unfolded configuration by folding and unfolding the foldable region; the folded configuration defines a fold in the translucent substrate; a first portion of the foldable region located at an inside of the fold in the folded configuration has a first compressive stress in the folded configuration; a second portion of the foldable region located at an outside of the fold in the folded configuration has a second compressive stress in the unfolded configuration; the first portion has a third compressive stress in an intermediate configuration, between the folded and the unfolded configurations, that is less than the first compressive stress; and the second portion has a fourth compressive stress in the intermediate configuration that is less than the second compressive stress. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
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15. An electronic device, comprising:
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a display; and a laminate cover layer positioned over and coupled to the display, the laminate cover layer comprising; a base layer comprising a ceramic material; and a set of panel layers arranged over a surface of the base layer and defining a foldable region, wherein; the display and the laminate cover layer are configured to be folded along the foldable region, thereby moving to a folded configuration from an unfolded configuration; the folded configuration defines a fold in the base layer; a first portion of the foldable region located at an inside of the fold in the folded configuration has a first compressive stress in the folded configuration; a second portion of the foldable region located at an outside of the fold in the folded configuration has a second compressive stress in the unfolded configuration; the first portion has a third compressive stress in an intermediate configuration, between the folded and the unfolded configurations, that is less than the first compressive stress; and the second portion has a fourth compressive stress in the intermediate configuration that is less than the second compressive stress. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification