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US 11,962,168 B2Granted
Wireless charging device
AssigneeLG Chem, Ltd.
InventorsJong Min Shin, Dong Woo Yoo, Jin Kyu Lee
Life of this patent
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Abstract
Wireless charging devices and wireless charging systems are provided. The wireless charging devices may include a receiving part coil and an electromagnetic-wave shielding sheet on the receiving part coil. The electromagnetic-wave shielding sheet may have a specific magnetic permeability of 100 or greater from 100 khz to 300 khz and may include a metal foam including a soft magnetic metal component.
Claims19
A wireless charging device comprising:
- a receiving part coil;
- and
- an electromagnetic-wave shielding sheet on the receiving part coil,
- wherein the electromagnetic-wave shielding sheet has a specific magnetic permeability of 100 or greater from 100 kHz to 300 kHz and comprises a metal foam including a soft magnetic metal component, wherein the metal foam has a porosity of 10% or greater.
1 more element
Dependencies are inferred from the claim text.