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US 2016/0240301 A1Published application
Magnetic Member and Wireless Power Transmission Device Comprising Same
AssigneeLG Innotek Co., Ltd.
InventorsJai Hoon Yeom, Sang Won Lee, So Yeon Kim, Seok Bae, Ji Yeon Song
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Abstract
A magnetic sheet applied to a wireless charging module is provided. The magnetic sheet according to embodiments of the present invention may be compatible with a variety of standards of wireless power transmission methods and implement high power transmission efficiency while minimizing influence of a permanent magnet in a power transmission method that requires the permanent magnet.
Claims21
A magnetic member comprising:
- a cross section provided with a first width x of a first direction and a second width y of a second direction perpendicular to the first direction;
- and
- a thickness z which extends from the cross section,
- wherein a ratio of an area of the cross section to the thickness z is in the range of 1:(0.0002˜1),
- wherein the first width x is defined as the longest line segment of the cross section in a horizontal direction, and the second width y is defined as the longest line segment in a perpendicular direction to the first width.
2 more elements
A magnetic member comprising:
- a soft magnetic layer which includes a cross section provided with a first width x of a first direction, a second width y of a second direction perpendicular to the first direction, a thickness z which extends from the cross section, and an opening in the thickness z direction;
- and
- a coil pattern on the soft magnetic layer,
- wherein the soft magnetic layer includes an area which corresponds to the coil pattern, and an area which extends from the area which corresponds to the coil pattern.
1 more element
Dependencies are inferred from the claim text.