公开(公告)号：US11856676B2

公开(公告)日：2023-12-26

申请号：US17179925

申请日：2021-02-19

Applicant: LG Electronics Inc.

Inventor： Juwon Kim ,  Eunjin Jang ,  Jongwon Hwang ,  Yongsoo Lee ,  Hyunwoo Jun ,  Jaekyung Yang

IPC: H05B6/06 ,  H05B6/12 ,  H05B6/04

CPC classification number: H05B6/062 ,  H05B6/04 ,  H05B6/1263 ,  H05B2206/022

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：US11828458B2

公开(公告)日：2023-11-28

申请号：US16481053

申请日：2018-01-23

Applicant: LG ELECTRONICS INC.

Inventor： Hoonseob Sim ,  Jaekyung Yang ,  Suyong Lee ,  Yongsoo Lee

IPC: F22B1/28 ,  A47J27/04 ,  F22B37/26 ,  F22B37/08 ,  F24C7/08 ,  F24C15/00 ,  F22B29/02 ,  F22B37/50 ,  F22D5/34 ,  F24C3/12 ,  F22B37/70

CPC classification number: F22B1/28 ,  A47J27/04 ,  F22B1/282 ,  F22B1/284 ,  F22B29/023 ,  F22B37/08 ,  F22B37/26 ,  F22B37/50 ,  F22B37/70 ,  F22D5/34 ,  F24C3/12 ,  F24C3/128 ,  F24C7/08 ,  F24C15/003 ,  A47J2027/043

Abstract: A steam generator and a cooking apparatus including a steam generator are provided. The steam generator may include a heater, an inflow tube, a steam generation tube, and a discharge tube and an adaptor unit connected to the steam generator may be provided. The inflow tube and the discharge tube and the discharge tube may be connected at a predetermined angle to the adaptor unit. Thus, the steam generation tube connecting the inflow tube to the discharge tube may also be inclined.

公开(公告)号：US11661371B2

公开(公告)日：2023-05-30

申请号：US17117359

申请日：2020-12-10

Applicant: LG ELECTRONICS INC.

Inventor： Suyeon Choi ,  Taeho Kim ,  Yongsoo Lee

IPC: C03C8/06 ,  F24C15/00 ,  C03C8/02

CPC classification number: C03C8/02 ,  F24C15/005

Abstract: A composition for enamel may include 20 to 45 wt % of SiO2; 1 to 15 wt % of B2O3, 10 to 20 wt % of one or more of Na2O, K2O, and Li2O, 1 to 5 wt % of NaF, 1 to 10 wt % of ZnO, 5 to 15 wt % of TiO2, 3 to 7 wt % of MoO3; 5 to 15 wt % of Bi2O3, 1 to 5 wt % of CeO2, and 1 to 10 wt % of one or more of MnO2, Fe2O3, and Co3O4. The composition may be used to coat a cooking appliance for easy removal of contaminants at room temperature.

公开(公告)号：US11339086B2

公开(公告)日：2022-05-24

申请号：US16288945

申请日：2019-02-28

Applicant: LG ELECTRONICS INC.

Inventor： Taehee Kim ,  Taeho Kim ,  Dongwan Seo ,  Yongsoo Lee ,  Suyeon Choi

IPC: B32B15/04 ,  B32B17/06 ,  C03C17/23 ,  A47J27/00 ,  C03C3/085 ,  C03C3/19 ,  F24C15/00 ,  C03C17/02 ,  C03C8/14

Abstract: A coating composition includes phosphorus pentoxide (P2O5), aluminum oxide (Al2O3), boron trioxide (B2O3), zinc oxide (ZnO), I group-based metal oxide, and II group-based metal oxide. The coating composition includes by weight based on a total weight of the coating composition 35 to 55% P2O5, 5 to 35% Al2O3, 5 to 40% I group-based metal oxide, 5 to 10% B2O3, 1 to 5% ZnO, and 1 to 10% II group-based metal oxide.

公开(公告)号：US11265973B2

公开(公告)日：2022-03-01

申请号：US16180593

申请日：2018-11-05

Applicant: LG Electronics Inc.

Inventor： Younghwan Kwack ,  Seongho Son ,  Jaekyung Yang ,  Yongsoo Lee

IPC: H05B6/06 ,  H05B6/12

Abstract: An induction heating device includes: a first board including a first working coil, a first inverter configured to apply a resonant current to the first working coil, a first current transformer configured to adjusting a magnitude of the first resonant current, a first control unit configured to control the first inverter; and a second board including a second working coil, a second inverter configured to apply a resonant current to the second working coil, a second current transformer configured to adjust a magnitude of the second resonant current, a first relay configured to selectively connect the second working coil to the second current transformer or to the first working coil, a second relay configured to selectively connect the second working coil to the first working coil or to the second resonant capacitor, and a second control unit configure to control the second inverter, the first relay, and the second relay.

公开(公告)号：US11140753B2

公开(公告)日：2021-10-05

申请号：US16687935

申请日：2019-11-19

Applicant: LG Electronics Inc.

Inventor： Seongjun Kim ,  Seongho Son ,  Yongsoo Lee

IPC: H05B6/12 ,  F21V8/00

Abstract: An induction heating device includes: a case; working coils; a base plate that supports the working coils; light guides that are installed on the base plate and that cover outer portions of each working coil; light emitting elements disposed below the light guides and configured to emit light; and an indicator substrate that is disposed below the base plate and that seats the light emitting elements. The indicator substrate includes a first indicator substrate, where a first portion of the light emitting elements are arranged along outer portions of the first indicator substrate, and a second indicator substrate disposed at a rear side of the first indicator substrate, where a second portion of the light emitting elements are arranged along outer portions of the second indicator substrate except for an outer portion at a front side that is adjacent to and faces the rear side of the first indicator substrate.

公开(公告)号：US11064577B2

公开(公告)日：2021-07-13

申请号：US16196559

申请日：2018-11-20

Applicant: LG Electronics Inc.

Inventor： Younghwan Kwack ,  Seongho Son ,  Jaekyung Yang ,  Yongsoo Lee

IPC: H05B6/06 ,  H05B6/12 ,  H05B6/40 ,  H02M3/24

Abstract: An induction heating device includes: a working coil set including a first working coil connected to a first resonant capacitor and a second working coil connected to a second resonant capacitor; an inverter that performs a switching operation to apply a resonant current to at least one of the first or second working coil; a current transformer that adjusts a magnitude of the resonant current and that transmits the resonant current having the adjusted magnitude to the working coil set; a first relay that selectively connects a first end of the second working coil to the current transformer or the second resonant capacitor; a second relay that selectively connects a to second end of the second working coil to an end of the first working coil or the second resonant capacitor; and a control unit configured to control operations of the inverter and the first and second relays, respectively.

公开(公告)号：US10852004B2

公开(公告)日：2020-12-01

申请号：US16052840

申请日：2018-08-02

Applicant: LG Electronics Inc.

Inventor： Kyoung-Joon Park ,  Hoon Seob Sim ,  Jaekyung Yang ,  Suyong Lee ,  Yongsoo Lee ,  Yong Hyun Lee

IPC: F24C15/16 ,  F25D25/02 ,  A47L15/50 ,  A47B88/90 ,  A47B77/10

Abstract: The present disclosure relates a shelf support device and a cooking appliance with the same. The shelf support device includes a rail extending in forward and backward directions to locate a front end portion over a rear end portion, including an upper surface portion and a lower surface portion; and a support unit at which a shelf is mounted at an upper portion of the support unit, coupled to the rail to be movable along the movement path formed by each of the upper surface portion and the lower surface portion, and configured to change a position of the shelf in an upward direction when being moved in the forward direction and the position of the shelf in a downward direction when being moved in the backward direction.

公开(公告)号：US20190002336A1

公开(公告)日：2019-01-03

申请号：US15801058

申请日：2017-11-01

Applicant: LG ELECTRONICS INC.

Inventor： Taehee KIM ,  Taeho Kim ,  Dongwan Seo ,  Yongsoo Lee ,  Suyeon Choi

IPC: C03C8/14 ,  C03C8/08 ,  C03C1/02 ,  C03C3/064 ,  C03C4/20 ,  C08G77/12 ,  H05B3/74

Abstract: A glass composition includes a glass frit and an electrostatic force reinforcing material including polymethylhydrosiloxane derivatives. The electrostatic force reinforcing material is represented by the following Formula.

公开(公告)号：US09302932B2

公开(公告)日：2016-04-05

申请号：US13889950

申请日：2013-05-08

Applicant: LG ELECTRONICS INC.

Inventor： Youngseok Kim ,  Yongsoo Lee ,  Namjin Kim ,  Youngjun Lee

IPC: A21B1/00 ,  C03C3/21 ,  C03C8/08 ,  F24C15/00 ,  C03C17/04

CPC classification number: C03C3/21 ,  C03C8/08 ,  C03C17/04 ,  C03C2207/04 ,  F24C15/005 ,  Y10T428/2982

Abstract: Provided are a glass composition, preparation method thereof, and cooking appliance including the glass composition. The glass composition includes a glass frit containing P2O5, a Group I-based oxide, and a Group III-based oxide. The Group I-based oxide is selected from Na2O, K2O, and Li2O, the Group III-based oxide is selected from Al2O3 and B2O3, and the glass frit contains about 40 wt % to about 75 wt % of P2O5.

Abstract translation: 本发明提供一种玻璃组合物及其制备方法以及包括玻璃组合物的烹饪器具。 该玻璃组合物包括含有P 2 O 5，I族氧化物和III族氧化物的玻璃料。 基于I族的氧化物选自Na2O，K2O和Li2O，III族氧化物选自Al2O3和B2O3，玻璃料含有约40重量％至约75重量％的P 2 O 5。