Sheet for shielding against electromagnetic waves and wireless power charging device
First Claim
Patent Images
1. A sheet to shield against electromagnetic waves, comprising:
- a magnetic layer; and
a heat radiation coating layer coating an upper surface and side surfaces of the magnetic layer, wherein side surfaces of the heat radiation coating layer extend perpendicularly along the side surfaces of the magnetic layer from the upper surface to a bottom of the magnetic layer, and side surfaces of the heat radiation coating layer and the bottom of the magnetic layer directly contact a coil part.
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Accused Products
Abstract
A sheet is provided to shield against electromagnetic waves. The sheet includes a magnetic layer, and a heat radiation coating layer coating at least a portion of a surface of the magnetic layer.
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Citations
18 Claims
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1. A sheet to shield against electromagnetic waves, comprising:
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a magnetic layer; and a heat radiation coating layer coating an upper surface and side surfaces of the magnetic layer, wherein side surfaces of the heat radiation coating layer extend perpendicularly along the side surfaces of the magnetic layer from the upper surface to a bottom of the magnetic layer, and side surfaces of the heat radiation coating layer and the bottom of the magnetic layer directly contact a coil part. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A wireless power charging device, comprising:
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a coil part; and a sheet configured to shield against electromagnetic waves disposed on the coil part and comprising a magnetic layer comprising crushed pieces and a heat radiation coating layer coating an upper surface and side surfaces of the magnetic layer, wherein side surfaces of the heat radiation coating layer extended perpendicularly along the side surfaces of the magnetic layer from the upper surface to a bottom of the magnetic layer, and side surfaces of the heat radiation coating layer and the bottom of the magnetic layer directly contact the coil part. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A sheet configured to shield a battery against electromagnetic waves, comprising:
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a magnetic layer configured to generate heat and formed as one of an integral layer and crushed into multiple pieces; and a heat radiation coating layer configured to radiate the heat from the magnetic layer and directly cover a portion of or an entire upper surface of the magnetic layer, wherein the heat radiation coating layer extends to side surfaces of the magnetic layer, and wherein side surfaces of the heat radiation coating layer extend perpendicularly along the side surfaces of the magnetic layer from the upper surface to a bottom of the magnetic layer, and side surfaces of the heat radiation coating layer and the bottom of the magnetic layer directly contact a coil part. - View Dependent Claims (16, 17, 18)
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Specification