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.
Patent No.:
Date of Patent:
Oct. 04, 2022
Filed:
Apr. 11, 2018
Applicant:
Lg Innotek Co., Ltd., Seoul, KR;
Inventors:
Jong Soo Han, Seoul, KR;
Seok Bae, Seoul, KR;
Young Jae Lee, Seoul, KR;
Dong Hyeok Choi, Seoul, KR;
Jung Eun Lee, Seoul, KR;
Assignee:
LG INNOTEK CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/27 (2022.01); H01F 1/055 (2006.01); H01F 41/02 (2006.01); H01F 1/153 (2006.01);
U.S. Cl.
CPC ...
H02K 1/27 (2013.01); H01F 1/0557 (2013.01); H01F 41/0253 (2013.01); H01F 1/15383 (2013.01);
Abstract
A permanent magnet of an embodiment comprises: a base magnet represented by a-b-c (a includes a rare earth-based element, b includes a transition element, and c includes boron (B)); and a coating layer coated on a surface of the base magnet, wherein the coating layer comprises a compound containing a metal having magnetism, the compound including: a phosphor (P); and a metal belonging to the fourth period in the periodic table.