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Patent Searching and Data


Title:
WIRELESS CHARGING COIL HAVING HIGH QUALITY FACTOR
Document Type and Number:
WIPO Patent Application WO/2019/143028
Kind Code:
A1
Abstract:
The present invention relates to a wireless charging coil having a high quality factor, a wireless charging coil module in which the same is installed, and a wireless power receiver therefor. A wireless charging coil according to an embodiment of the present invention may be a spiral pattern coil printed on a substrate, wherein a ratio (W/S) between the wire width (W) and wire spacing (S) of the pattern coil is smaller than or equal to 5, and the inner diameter of the pattern coil is greater than one-half of the outer diameter thereof and smaller than two-thirds of the outer diameter thereof. Therefore, the present invention can provide a wireless charging coil having a high standard quality factor value which can improve foreign matter detection performance.

Inventors:
LEE DONG HYUK (KR)
KIM HYUNG GYUN (KR)
Application Number:
KR2018/015916
Publication Date:
July 25, 2019
Filing Date:
December 14, 2018
Export Citation:
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Assignee:
LG INNOTEK CO LTD (04637, KR)
International Classes:
H01F27/28; H01F27/00; H01F27/29; H01F38/14; H02J50/10
Foreign References:
KR20160009632A2016-01-26
KR20150117082A2015-10-19
KR20140061131A2014-05-21
KR20150035512A2015-04-06
US20150137746A12015-05-21
Attorney, Agent or Firm:
LEE, Seung Chan (KPH & Associates, 3rd Floor Nara Bldg., 19, Seochojungang-ro 24-gil,,Seocho-gu, Seoul, 06604, KR)
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