公开(公告)号：US11304270B2

公开(公告)日：2022-04-12

申请号：US16678803

申请日：2019-11-08

Applicant: LG Electronics Inc.

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

IPC: H05B6/12 ,  H05B6/06 ,  H05B6/36 ,  H05B1/02

Abstract: An induction heating device includes a working coil, an inverter including a first switching element and a second switching element; a gate driver including a first sub-gate driver and a second sub-gate driver; and a protection circuit disposed between the inverter and the gate driver. The protection circuit includes a first resistor disposed between a gate terminal of the first switching element and an output terminal of the first sub-gate driver, a second resistor connected electrically in parallel to the first resistor, a protection circuit resistor disposed between a reference voltage terminal of the first sub-gate driver and a first node between the first switching element and the second switching element, a protection circuit diode disposed between a ground and a second node between the protection circuit resistance and the reference voltage terminal, and a bootstrap circuit disposed between the second node and the external power supply.

公开(公告)号：US11178731B2

公开(公告)日：2021-11-16

申请号：US16198168

申请日：2018-11-21

Applicant: LG Electronics Inc.

Inventor： Seongjun Kim ,  Seongho Son ,  Jaekyung Yang ,  Yongsoo Lee

IPC: H05B6/12 ,  H05B6/10 ,  H05B6/36

Abstract: An induction heating device includes: a working coil that includes an annularly-coiled conductive wire and that defines an annular coil hole at a central region of the working coil; a ferrite core that is located vertically below the working coil and that defines a core hole at a central region of the ferrite core corresponding to the annular coil hole; and an indicator board support that is located vertically below the ferrite core. The indicator board support includes a hook that extends to the core hole in a vertical direction and that is configured to insert into the core hole.

公开(公告)号：US11029035B2

公开(公告)日：2021-06-08

申请号：US16270106

申请日：2019-02-07

Applicant: LG Electronics Inc.

Inventor： Haksoon Yang ,  Jaekyung Yang ,  Semi Lee ,  Suyong Lee ,  Yongsoo Lee

IPC: F24C15/02 ,  E05D15/52

Abstract: The present invention provides an oven including: a cabinet having a cooking space open forward; a door rotating to open/close the cooking space; and a rotary hinge disposed on the front of the cabinet to rotate the door in various directions, in which the door includes: a first ink moving in a first direction; and a second link moving in a second direction perpendicular to the first direction by movement of the first link, and the rotational direction of the door depends on movement of the first link.

公开(公告)号：US10807904B2

公开(公告)日：2020-10-20

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 ,  C03C3/064 ,  C03C8/08 ,  F24C15/00 ,  C09D1/00 ,  C09D7/61 ,  C03C8/16 ,  C03C1/02 ,  C03C4/20 ,  C08G77/12 ,  H05B3/74 ,  C23D5/00

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：US09552778B2

公开(公告)日：2017-01-24

申请号：US14620834

申请日：2015-02-12

Applicant: LG Electronics Inc.

Inventor： Yongsoo Lee

IPC: G06T5/40 ,  H04N5/202 ,  G09G3/34 ,  G09G3/20 ,  H04N5/57

CPC classification number: G09G3/3406 ,  G09G3/2092 ,  G09G3/342 ,  G09G3/36 ,  G09G2320/0238 ,  G09G2320/0271 ,  G09G2320/062 ,  G09G2320/0626 ,  G09G2320/0646 ,  G09G2360/145 ,  G09G2360/16 ,  H04N5/57

Abstract: A method for controlling a digital device, and which includes receiving content; displaying the received content on a display screen of the digital device; calculating, via a controller of the digital device, an average luminance value respective to an entire display screen where the received content is displayed; generating, via the controller, a histogram respective to a partial area of the entire display screen; analyzing, via the controller, the histogram respective to the partial area and verifying whether or not a pixel distribution ratio of pixels having a minimum gray level, among pixels being located in the partial area of the display screen, is equal to or greater than a reference ratio; and if the pixel distribution ratio of pixels having the minimum gray level is equal to or greater than the reference ratio, processing a luminance of the partial area of the display screen to be black.

Abstract translation: 一种用于控制数字设备的方法，包括接收内容; 在数字设备的显示屏上显示所接收的内容; 通过数字设备的控制器计算与显示所接收的内容的整个显示屏幕相对应的平均亮度值; 经由所述控制器生成与所述整个显示屏幕的部分区域相对应的直方图; 通过所述控制器分析与所述部分区域相对应的直方图，并且验证位于所述显示屏的部分区域中的像素中具有最小灰度级的像素的像素分布比率是否等于或大于 参考比 并且如果具有最小灰度级的像素的像素分配比等于或大于参考比，则将显示屏的部分区域的亮度处理为黑色。

公开(公告)号：US09296643B2

公开(公告)日：2016-03-29

申请号：US13889947

申请日：2013-05-08

Applicant: LG ELECTRONICS INC.

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

IPC: A21B1/00 ,  C03C8/20 ,  C03C3/064 ,  C03C8/08 ,  F24C15/00 ,  C03C4/20 ,  C03C8/14

CPC classification number: C03C8/20 ,  C03C3/064 ,  C03C4/20 ,  C03C8/08 ,  C03C8/14 ,  C03C2205/04 ,  C03C2207/02 ,  C03C2207/04 ,  F24C15/005

Abstract: Provided are a enamel composition, a preparation method thereof, and a cooking appliance. The enamel composition includes a glass frit comprising P2O5, SiO2, B2O3, Al2O3, R2O (where R is an alkali metal), a chemical property enhancement component, and an adhesion enhancement component. The chemical property enhancement component includes at least one of ZrO2 and TiO2, and the adhesion enhancement component includes at least one of CoO, NiO, MnO2 and Fe2O3.

Abstract translation: 提供搪瓷组合物，其制备方法和烹饪器具。 搪瓷组合物包括包含P 2 O 5，SiO 2，B 2 O 3，Al 2 O 3，R 2 O（其中R是碱金属），化学性质增强组分和粘合增强组分的玻璃料。 化学性质增强组分包括ZrO 2和TiO 2中的至少一种，并且粘合增强组分包括CoO，NiO，MnO 2和Fe 2 O 3中的至少一种。