WIRELESS CHARGING DEVICE FOR AN ELECTRONIC DEVICE
First Claim
Patent Images
1. A method of making a wireless charging device for an electronic device, comprising:
- providing a substrate made of glass or glass-ceramic and having a shape and size adapted for covering an area of the electronic device; and
printing a coil on a surface of the substrate or on a decoration layer on the surface of the substrate using a conductive ink.
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Abstract
A method of making a wireless charging device for an electronic device includes printing a decoration layer on a surface of a glass or glass-ceramic substrate using a non-conductive ink. A coil is printed on the decoration layer, and an electromagnetic interference absorber layer is applied over the printed coil.
32 Citations
23 Claims
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1. A method of making a wireless charging device for an electronic device, comprising:
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providing a substrate made of glass or glass-ceramic and having a shape and size adapted for covering an area of the electronic device; and printing a coil on a surface of the substrate or on a decoration layer on the surface of the substrate using a conductive ink. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A wireless charging device for an electronic device, comprising:
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a substrate made of glass or glass-ceramic and having a shape and size adapted for covering an area of the electronic device; and a layered inductive charging structure formed on a surface of the substrate, the layered inductive charging structure comprising a coil for creating an electromagnetic field in response to an electrical current or for generating an electrical current in response to an electromagnetic field. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A handheld device, comprising
a housing; -
a wireless charging receiver device mounted on a side of the housing as a cover, the wireless charging receiver device comprising a substrate made of glass or glass-ceramic and a layered inductive charging structure formed on a surface of the substrate, the layered inductive charging structure comprising a receiver coil, wherein the receiver coil generates electrical current in response to an electromagnetic field; and a wireless charging control circuit and a power storage disposed in the housing, the wireless charging control circuit being coupled to the receiver coil and the power storage and configured to charge the power storage with the electrical current generated within the receiver coil.
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Specification