Thin film coil and electronic device having the same
First Claim
Patent Images
1. A thin film coil comprising:
- a substrate; and
a coil pattern including a first coil strand and a second coil strand formed respectively on opposite surfaces of the substrate and electrically connected in parallel with each other, andthe first coil strand formed on one surface of the substrate including a plurality of paths, each of the plurality of paths passing through the other surface of the substrate and electrically connecting between two sections of the first coil strand located on the one surface.
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Abstract
A thin film coil and an electronic device having the same. The thin film coil includes a substrate; and a coil pattern including a first coil strand and a second coil strand formed respectively on opposite surfaces of the substrate, wherein the first coil strand formed on one surface of the substrate includes at least one path that passes through the other surface of the substrate.
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Citations
20 Claims
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1. A thin film coil comprising:
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a substrate; and a coil pattern including a first coil strand and a second coil strand formed respectively on opposite surfaces of the substrate and electrically connected in parallel with each other, and the first coil strand formed on one surface of the substrate including a plurality of paths, each of the plurality of paths passing through the other surface of the substrate and electrically connecting between two sections of the first coil strand located on the one surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A thin film coil comprising:
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a substrate; a coil pattern including a first coil strand and a second coil strand formed respectively on opposite surfaces of the substrate; and two contact pads disposed outwardly of the coil pattern and electrically connected to both ends thereof, the first coil strand formed on one surface of the substrate including; a spiral pattern electrically connected in parallel with the second coil strand, a lead out pattern disposed to traverse the spiral pattern from one end disposed at an inner side of the spiral pattern so as to be electrically connected to the contact pad, the lead out pattern being substantially coplanar with the spiral pattern, and a plurality of paths, each of the plurality of paths passing through the other surface of the substrate and electrically connecting between two sections of the first coil strand located on the one surface. - View Dependent Claims (14, 15)
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16. An electronic device comprising:
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a contactless power transmission apparatus having a thin film coil including a first coil strand and a second coil strand formed respectively on opposite surfaces of a substrate and electrically connected in parallel with each other, the first coil strand formed on one surface of the substrate including a plurality of paths, each of the plurality of paths passing through the other surface of the substrate and electrically connecting between two sections of the first coil strand located on the one surface; and a case to accommodate the contactless power transmission apparatus therein. - View Dependent Claims (17, 18, 19)
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20. A contactless power charging system comprising:
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a portable electronic device comprising a contactless power reception apparatus having a thin film coil, the thin film coil comprising a substrate; and a coil pattern including a first coil strand and a second coil strand formed respectively on opposite surfaces of the substrate and electrically connected in parallel with each other, and the first coil strand formed on one surface of the substrate including at least one path passing through the other surface of the substrate and electrically connecting between two sections of the first coil strand located on the one surface, a battery configured to receive and store power transmitted to the contactless power reception apparatus, and a case to contain the contactless power reception apparatus and the battery; and a charging device comprising a coil, the charging device configured to generate a magnetic field to transmit power to the thin film coil of the contactless power reception apparatus, to thereby charge the battery of the portable electronic device, the first coil strand comprising a plurality of paths, each of the plurality of paths passing through the other surface of the substrate and electrically connecting between two sections of the first coil strand located on the one surface, a spiral pattern, and a lead out pattern formed on the one surface of the substrate and passing from an inner position of the spiral pattern to an outer side of the spiral pattern, the lead out pattern traversing over each of the plurality of paths at portions of the paths passing through the other surface of the substrate, the lead out pattern being substantially coplanar with portions of the first coil strand located on the one surface of the substrate.
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Specification