Title:
WIRELESS CHARGING COIL AND ELECTRONIC DEVICE INCLUDING THE SAME
Document Type and Number:
WIPO Patent Application WO/2021/157932
Kind Code:
A1
Abstract:
A wireless charging coil and an electronic device is provided. The coil includes a plurality of inner patterns arranged adjacent to a center of the coil, having a first line width, and wound spirally, and a plurality of outer patterns arranged on an outer side of the plurality of inner patterns, having a second line width, and wound spirally, wherein the plurality of inner patterns are arranged at a first interval, wherein the plurality of outer patterns are arranged at a second interval, wherein a maximum gap that is larger than the first interval and the second interval is disposed between the plurality of inner patterns and the plurality of outer patterns, and wherein the maximum gap is arranged in a first direction from the center of the coil.
Inventors:
SHIN SEUNGSHIK (KR)
Application Number:
PCT/KR2021/001004
Publication Date:
August 12, 2021
Filing Date:
January 26, 2021
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
H02J50/10; H01F5/02; H01F38/14; H04M1/02
Domestic Patent References:
| WO2018031767A1 | 2018-02-15 |
Foreign References:
| US20190304670A1 | 2019-10-03 | |||
| US20200036213A1 | 2020-01-30 | |||
| US20190148065A1 | 2019-05-16 | |||
| US20180174738A1 | 2018-06-21 |
Attorney, Agent or Firm:
YOON & LEE INTERNATIONAL PATENT & LAW FIRM (KR)
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