公开(公告)号：US20210259066A1

公开(公告)日：2021-08-19

申请号：US17180008

申请日：2021-02-19

Applicant: LG Electronics Inc.

Inventor： Jongwon HWANG ,  Hyunwoo JUN ,  Jaekyung YANG ,  Eunjin JANG ,  Juwon KIM

IPC: H05B6/12

Abstract: An induction heating type cooktop includes: a case, a cover plate that is coupled to an upper end of the case and that includes an upper plate arranged to receive a target object, a working coil that is disposed in the case and that is configured to heat the target object, a thermal insulation material disposed on the working coil, and a heating thin film coating that is disposed on a surface of the upper plate of the cover plate or a surface of the thermal insulation material and that has a stacked structure in which an adhesive layer and a heating layer are consecutively stacked.

公开(公告)号：US20200307163A1

公开(公告)日：2020-10-01

申请号：US16831538

申请日：2020-03-26

Applicant: LG Electronics Inc.

Inventor： Dong Jin KIM ,  Hyunwoo JUN ,  Juwon KIM ,  Jongwon HWANG

IPC: B32B15/18 ,  B05D7/14 ,  B05D3/02

Abstract: A steel sheet coating apparatus includes a cleaner configured to apply cleaning liquid to thereby clean a surface of a steel sheet, a polisher that applies polishing liquid to the cleaned surface of the steel sheet and that includes at least one polishing wheel configured to polish the surface of the steel sheet, a coater that includes a plurality of coating rollers that are configured to coat the polished surface of the steel sheet with coating liquid, and a curing furnace that includes curing chambers that are configured to heat the steel sheet coated with the coating liquid, that have different heating temperatures, and that are configured to cure the coating liquid on the steel sheet based on heating the steel sheet in one chamber having a first temperature and then heating the steel sheet in another chamber having a second temperature greater than the first temperature.

公开(公告)号：US20200288542A1

公开(公告)日：2020-09-10

申请号：US16810491

申请日：2020-03-05

Applicant: LG Electronics Inc.

Inventor： Hyunwoo JUN ,  Wontae KIM ,  Seongho SON

IPC: H05B6/10 ,  F24C15/34 ,  F24C15/08 ,  H05B6/06 ,  H05B6/12

Abstract: An induction heating-type cooktop include a case, a cover plate comprising an upper plate that is coupled to an upper end of the case and that is configured to seat an object to be heated on an upper surface of the upper plate, a working coil disposed in the case and configured to heat the object, a module base that is disposed at a lower surface of the upper plate and that includes a thin layer attached to a surface of the module base, and a thermal insulation material disposed between the module base and the working coil.

公开(公告)号：US20200237140A1

公开(公告)日：2020-07-30

申请号：US16777364

申请日：2020-01-30

Applicant: LG Electronics Inc. ,  INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY

Inventor： Yongsoo LEE ,  Hyunwoo JUN ,  Jongwon HWANG ,  Dong Jin KIM ,  Juwon KIM ,  Youngjong KANG ,  Jiwoong YOO

IPC: A47J36/02 ,  A47J36/04 ,  C09D1/02 ,  C09D7/61 ,  C09D5/18

Abstract: A composition for coating stainless steel includes sodium silicate, lithium silicate, sodium tetraborate, and a solvent as the remainder so that a contaminant on the surface of stainless steel is easily removed and yellowing of the stainless steel can be prevented. A cooking appliance includes the stainless steel surface coated with the composition.