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:
Jun. 13, 2023

Filed:

Apr. 15, 2020
Applicant:

Lg Electronics Inc., Seoul, KR;

Inventors:

Seongjun Kim, Seoul, KR;

Wontae Kim, Seoul, KR;

Seonghoon Hwang, Seoul, KR;

Assignee:

LG Electronics Inc., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 6/12 (2006.01); C03C 17/36 (2006.01); H05B 3/74 (2006.01); H05B 6/06 (2006.01);
U.S. Cl.
CPC ...
H05B 6/1272 (2013.01); C03C 17/3655 (2013.01); H05B 3/74 (2013.01); H05B 6/062 (2013.01); H05B 6/1254 (2013.01);
Abstract

An induction heating type cooktop includes a cover plate that is coupled to a top of a case and that includes an upper plate configured to seat an object to be heated, a working coil disposed inside the case and configured to heat the object, an insulator disposed between a bottom surface of the upper plate and the working coil, and a thin film that is disposed on at least one of a top surface of the upper plate or the bottom surface of the upper plate and that includes a plurality of sub-films that are arranged about a central portion of the thin film. An outer boundary of one of the plurality of sub-films is positioned radially outward of an outer boundary of another of the plurality of sub-films relative to the central portion of the thin film.


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