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US 10,476,316 B2Granted
Wireless charging board and wireless charging device
AssigneeLG Innotek Co., Ltd.
InventorsJi Yeon Song, Seok Bae, Soon Young Hyun
Life of this patent
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Abstract
Provided are a wireless charging board and a wireless charging device. The wireless charging board includes: a shielding layer; a coil pattern disposed on one surface of the shielding layer; and a magnetic pattern disposed in a space of a central part of the coil pattern.
Claims13
A wireless charging board comprising:
- a shielding layer;
- a coil pattern disposed on one surface of the shielding layer;
- an adhesive layer interposed between the shielding layer and the coil pattern;
- and
- a magnetic pattern disposed on the adhesive layer and entirely within a space of a central part of the coil pattern,
- wherein the magnetic pattern is disposed on the same plane as the coil pattern,
- wherein a thickness of the magnetic pattern is equal to or less than a thickness of the coil pattern,
- wherein a relative permeability of the magnetic pattern is 10 to 100000,
- wherein a relative permeability of the shielding layer is 10 to 1000, and
- wherein a magnetic flux density of the magnetic pattern is 0.4 to 2.5 Tesla (T).
7 more elements
Dependencies are inferred from the claim text.