The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 04, 2022

Filed:

Jul. 19, 2018
Applicant:

Lg Innotek Co., Ltd., Seoul, KR;

Inventor:

Sung Hyun Leem, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/28 (2006.01); H02J 50/12 (2016.01); H01F 1/03 (2006.01); H01F 27/30 (2006.01);
U.S. Cl.
CPC ...
H01F 27/288 (2013.01); H01F 1/0315 (2013.01); H01F 27/306 (2013.01); H02J 50/12 (2016.02);
Abstract

The present embodiment relates to a coil device and a wireless charging device including the same. The coil device according to the present embodiment includes: a coil wound to form a hollow portion; and a shielding housing including a flat part on which the coil is disposed, an inner wall corresponding to a shape of the hollow portion, and an outer wall corresponding to an outer circumferential shape of the coil. The inner wall protruding from the flat part on which the coil is disposed may have a height of 0 to 1.5 times a height of the coil. An inductance of the coil may have a range of 9.2 μH to 12.26 μH.


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