公开(公告)号：WO2021006686A1

公开(公告)日：2021-01-14

申请号：PCT/KR2020/009070

申请日：2020-07-10

Applicant: LG ELECTRONICS INC.

Inventor： KIM, Ju Hyeong ,  SEO, Dongwan ,  KIM, Taeho ,  KIM, Taehee ,  LEE, Yongsoo

IPC: C03C8/08 ,  C03C8/20 ,  C03C3/066 ,  H05B6/64

Abstract: An enamel composition, a method for preparing the enamel composition, and a cooking appliance are provided. The enamel composition may include: 30 to 45 wt% of phosphorus pentoxide (P 2 O 5 ); 5 to 20 wt% of silicon dioxide (SiO 2 ); 15 to 30 wt% of aluminum oxide (Al 2 O 3 ); 10 to 20 wt% of zirconium dioxide (ZrO 2 ); 5 to 20 wt% of one or more of lithium oxide (Li 2 O), sodium oxide (Na 2 O), and potassium oxide (K 2 O); 5 to 15 wt% of boron trioxide (B 2 O 3 ); and 10 to 25 wt% of vanadium pentoxide (V 2 O 5 ), thereby ensuring cleaning at a low thermal decomposition temperature and a prefect removal of contaminants such as fat.

公开(公告)号：WO2021006687A1

公开(公告)日：2021-01-14

申请号：PCT/KR2020/009071

申请日：2020-07-10

Applicant: LG ELECTRONICS INC.

Inventor： KIM, Taehee ,  SEO, Dongwan ,  KIM, Taeho ,  KIM, Ju Hyeong ,  LEE, Yongsoo

IPC: C03C8/08 ,  C03C17/23 ,  C03C3/17 ,  C03C3/19 ,  H05B6/64 ,  H05B6/76

Abstract: A coating composition, coating glass and a method for preparation thereof, and a cooking appliance using the same are provided. The coating composition according to embodiments includes 20 to 40 wt% of phosphorus pentoxide (P 2 O 5 ); 15 to 30 wt% of aluminum oxide (Al 2 O 3 ) and zirconium dioxide (ZrO 2 ); 10 to 30 wt% of sodium oxide (Na 2 O) and potassium oxide (K 2 O); 10 to 25 wt% of boron trioxide (B 2 O 3 ); and 10 to 15 wt% of zinc oxide (ZnO), thereby implementing a high transmittance and an excellent cleaning performance.

公开(公告)号：WO2022065608A1

公开(公告)日：2022-03-31

申请号：PCT/KR2021/000708

申请日：2021-01-19

Applicant: LG ELECTRONICS INC. ,  MOKPO NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION

Inventor： SHIN, Jaeyoung ,  SIM, Sunghun ,  HA, Junghyeong ,  LEE, Yongsoo ,  KIM, Taeho ,  KIM, Taehee ,  SON, Seokkyun ,  KIM, Dohun

IPC: A47J36/02 ,  A47J36/04 ,  H05B6/64 ,  H05B11/00

Abstract: The present disclosure comprises a housing that defines a cavity therein, a door connected to the housing and configured to open and close the cavity, a microwave (MW) heating module configured to emit microwaves into the cavity, and an induction heating (IH) module configured to emit a magnetic field toward the cavity, the IH module comprises a shielding member through which the magnetic field generated by a working coil of the IH module passes and which blocks microwaves emitted from the MW heating module, and the shielding member comprises any one of carbon paper or carbon fabric woven with carbon fiber.

公开(公告)号：EP3771697A1

公开(公告)日：2021-02-03

申请号：EP20188531.6

申请日：2020-07-30

Applicant: LG Electronics Inc. ,  Kongju National University Industry-University Cooperation Foundation

Inventor： KIM, Taeho ,  SEO, Dongwan ,  LEE, Yongsoo ,  KIM, Taehee ,  KIM, Ju Hyeong ,  CHUNG, Woon-Jin ,  LEE, Hansol ,  KIM, In-Gun

IPC: C03C3/19 ,  C03C3/21 ,  C03C8/08 ,  C03C8/14 ,  C03C17/02 ,  F24C15/00 ,  C03C8/20

Abstract: A coating composition, coating glass and a method for preparation thereof, and a cooking appliance including the coating class are described. The coating composition includes a coating material and a heat conductive oxide nano powder that is 5 to 10 wt% with respect to a weight of the coating material. The coating composition provides an excellent infrared reflective function, a high transmittance, and an excellent cleaning performance.

公开(公告)号：EP4286348A1

公开(公告)日：2023-12-06

申请号：EP22746213.2

申请日：2022-01-26

Applicant: LG Electronics Inc.

Inventor： KIM, Ju Hyeong ,  YANG, Jaekyung ,  KIM, Taeho ,  KIM, Taehee ,  SHIN, Jaeyoung

IPC: C03C8/20 ,  C03C8/08 ,  C03C8/04 ,  C03C3/064 ,  C03C3/066 ,  F24C15/10 ,  H05B6/12

Abstract: Disclosed are: an enamel composition which has excellent cleaning functionality, and which, when used to form an enamel coating on a metal base material, ensures excellent thermal shock resistance and durability by suppressing the generation of defects caused by gas generation; a method for manufacturing same; and kitchenware using same. In addition, the enamel composition according to the present invention has excellent thermal shock resistance and durability due to having a component system in which glass-forming components and catalytic components are optimized.

公开(公告)号：EP4238944A1

公开(公告)日：2023-09-06

申请号：EP23159714.7

申请日：2023-03-02

Applicant: LG Electronics Inc.

Inventor： CHOI, Suyeon ,  YANG, Jaekyung ,  KIM, Taehee

IPC: C03C3/118 ,  C03C8/06 ,  C03C8/08 ,  C03C8/20

Abstract: There is disclosed a novel enamel composition that may be applied to all diverse components for a cooking appliance, with excellent cleaning performance and adhesion. The enamel composition of the present disclosure may include 10 to 25% by weight of SiO 2 , 15 to 30% by weight of P 2 O 5 , 1 to 15% by weight of B 2 O 3 , 10 to 25% of at least one of Na 2 O, Li 2 O and K 2 O, 1 to 5% by weight of NaF, 15 to 35% by weight of at least one of Al 2 O 3 , TiO 2 and ZrO 2 , and 1 to 10% by weight of at least one of Fe 2 O 3 , Co 3 O 4 and NiO, thereby being applicable to coating of components for a cooking appliance such as a burner cap, a grate and a griddle in which food is vulnerable to contamination and subject to thermal shock.

公开(公告)号：EP3533770A1

公开(公告)日：2019-09-04

申请号：EP18198922.9

申请日：2018-10-05

Applicant: LG ELECTRONICS INC.

Inventor： KIM, Taehee ,  KIM, Taeho ,  LEE, Yongsoo ,  CHOI, Suyeon

IPC: C03C3/19 ,  C03C8/14 ,  C03C17/02 ,  F24C15/00

Abstract: The present disclosure provides a cooking device comprising: a cavity defining a cooking chamber; a door for selectively opening and closing the cooking chamber; and at least one heating source for heating a to-be-cooked material in the cooking chamber, wherein the door includes a base and a coated layer the base, wherein the base includes soda lime glass, wherein the coated layer is formed by applying coating composition on the base, wherein the coating composition contains P 2 O 5 , Al 2 O 3 , B 2 O 3 , ZnO, I group-based metal oxide and II group-based metal oxide, wherein P 2 O 5 is contained in an amount of 35 to 55% by weight based on a total weight of the coating composition, wherein Al 2 O 3 is contained in an amount of 5 to 35% by weight based on the total weight of the coating composition, wherein the I group-based metal oxide is contained in an amount of 5 wt% to 40 wt% based on the total weight of the coating composition, wherein B 2 O 3 is contained in an amount of 5 wt% to 10 wt% based on the total weight of the coating composition, wherein ZnO is contained in an amount of 1 wt% to 5 wt% based on the total weight of the coating composition, wherein the II group-based metal oxide is contained in an amount of 1 wt% to 10 wt% based on the total weight of the coating composition.

公开(公告)号：EP4216773A1

公开(公告)日：2023-08-02

申请号：EP21872648.7

申请日：2021-01-19

Applicant: LG Electronics, Inc. ,  Mokpo National Maritime University Industry - Academic Cooperation Foundation

Inventor： SHIN, Jaeyoung ,  SIM, Sunghun ,  HA, Junghyeong ,  LEE, Yongsoo ,  KIM, Taeho ,  KIM, Taehee ,  SON, Seokkyun ,  KIM, Dohun

IPC: A47J36/02 ,  A47J36/04 ,  H05B6/64 ,  H05B11/00

公开(公告)号：EP3851419A1

公开(公告)日：2021-07-21

申请号：EP21151616.6

申请日：2021-01-14

Applicant: LG Electronics, Inc.

Inventor： KIM, Ju Hyeong ,  YANG, Jaekyung ,  KIM, Taeho ,  KIM, Taehee ,  LEE, Yongsoo

IPC: C03C3/064 ,  C03C8/08 ,  C03C8/06

Abstract: The present disclosure relates to an enamel composition, a method for preparation thereof, and a cooking appliance using the same, which provide excellent cleaning performance, reduce a defect caused by carbon gases when an enamel coating is implemented on a base material made of cast iron, and provides excellent thermal shock resistance and durability. In the enamel composition according to the disclosure, components implementing glass and components having catalytic performance have an optimal component system, thereby ensuring excellent thermal shock resistance and durability. The enamel composition of the present disclosure has a component system that helps enamel cast iron as well as low carbon steel, thereby ensuring excellent cleaning performance, thermal shock resistance and durability. The enamel composition of the present disclosure is appropriate for a cooktop grate, a hob burner, and the like which directly contact a fire and are exposed to repetitive thermal shock.

公开(公告)号：EP4249444A1

公开(公告)日：2023-09-27

申请号：EP23163077.3

申请日：2023-03-21

Applicant: LG Electronics Inc.

Inventor： KIM, Ju Hyeong ,  YANG, Jaekyung ,  KIM, Taehee ,  SHIN, Jaeyoung ,  LEE, Youngsoo

IPC: C03C3/064 ,  C03C8/06 ,  C03C8/08 ,  C03C8/14 ,  C03C8/20

Abstract: The present disclosure relates to an enamel composition, a preparation method thereof and a cooking appliance, the enamel composition comprising a glass frit, a siloxane-based compound, a silane-based compound, and mill addition comprising one or more that is selected from a group comprised of SiO 2 , Al 2 O 3 , ZrO 2 and TiO 2 , thereby suppressing defects such as chipping even when the enamel composition is used at high temperature, for pyrolysis of contaminants.