Lg Electronics Inc.

Corning Incorporated

Lg Innotek Co., Ltd.

Jaehoon Jeong

Chaseung Jun

Jaehoon Lee

Dongkyun Nam

Seungin Shin

Charyeom Park

Jinwook Cha

Kyuchun Choi

Sunku Kwon

Jongjin Woo

Dongseong Kim

Kyungman Yu

Hyungsub Kim

Sangsub Jeong

Hyunsup Song

Sunyong Kim

Hanshin Kim

Jongil Park

Sungchul Gong

Sehwa Choe

Wookjin Lee

Myunghee Hwang

Ilkon Kim

Jaewoon Lee

Dongsu Kim

Seungheun Song

Heeyoung Lee

Sunghyun Yang

Jungik Ha

Jongyeon Lee

Chansic Park

Kyoungtae Son

Hyunkyung Seong

Yelim Youn

Hyungkook Joo

The present disclosure relates to an image display apparatus and a video wall including the same. An image display apparatus according to an embodiment of the present disclosure includes: a panel including a plurality of light emitting diodes; and a driving controller configured to output a scan signal for each of a plurality of subframe periods, and output a data signal for displaying an image, to the plurality of light emitting diodes, and the driving controller is configured to divide at least some subframe periods among the plurality of subframe periods into a plurality of group periods, and separately drive the light emitting diodes during at least some periods among the plurality of group periods. Accordingly, luminance non-uniformity between a plurality of light emitting diodes may be reduced.

Image display apparatus, and video wall including the same

A driving unit and a linear compressor including the same are provided. The driving unit includes an inner stator, a bobbin surrounding the inner stator in a circumferential direction, a coil wound on the bobbin, a plurality of stator cores surrounding the bobbin and spaced apart from each other in the circumferential direction, and a plurality of permanent magnets disposed between the inner stator and the plurality of stator cores. A cross section of the bobbin may include a pair of straight portions facing each other and a curved portion connecting the pair of straight portions.

Driving unit and linear compressor including the same

The present specification discloses a motor assembly. An embodiment of the motor assembly disclosed in the present specification may comprise: a motor housing in which a motor is received; a shaft which forms the rotation axis of the motor; a rotor which is coupled to the shaft; a plurality of cores and coils which are provided along the circumference of the rotor to form a flux path; and insulators which are coupled to the cores to insulate the cores from the coils, wherein each of the insulators may comprise an insulating portion which covers the outer surface of the corresponding core and a fixing portion which protrudes outward from the insulating portion in the radial direction of the rotor, and the fixing portion may be coupled to the inner circumferential surface of the motor housing.

Motor assembly

A motor assembly includes a motor housing having a shaft, a rotor coupled to the shaft, multiple core assemblies along the circumference of the rotor to form a magnetic path, and a first bearing housing supporting one side of the shaft, a housing cover coupled to the motor housing, an impeller installed on the shaft, a diffuser coupled to the housing cover between the impeller and the rotor, and a shroud containing the impeller and the diffuser. The multiple core assemblies are contained independently and spaced apart from each other along the circumference of the rotor. The housing cover includes a second bearing housing supporting the other side of the shaft. The motor housing includes core support portions for supporting the multiple core assemblies independently, and a first bridge extending from the core support portions to connect the core support portions and the first bearing housing.

Fan motor assembly with stator core supports

A motor assembly includes a shaft configured to form a rotational axis of a motor, a rotor coupled to the shaft, and a plurality of cores provided along the circumference of the rotor and configured to form a magnetic path. The cores are spaced apart from the outer circumferential surface of the rotor by a predetermined distance and configured to surround at least a portion of the outer circumferential surface of the rotor, and each comprise: a pole shoe having a first surface parallel to the radial direction of the rotor; and a pole arm extending from the pole shoe toward the radially outer side of the rotor. Among the plurality of cores, the first surfaces formed on the pole shoes of adjacent cores are symmetrical with respect to the radial direction of the rotor.

Motor assembly having a plurality of cores

The present disclosure relates to a motor assembly, and more particularly, to a motor having a two-phase input power source and a power conversion device for driving a two-phase motor. The present disclosure relates to the motor assembly for driving the two-phase motor, the motor assembly configured to comprise: a motor including a first winding and a second winding having an electrically insulated parallel structure; a DC-link circuit for supplying a direct-current voltage; and an inverter connected to the DC-link circuit to convert the direct-current voltage into an alternating-current voltage to drive the motor, and including a first switching element set connected to the first winding and a second switching element set connected to the second winding.

Two-phase motor assembly

The present disclosure provides a moving robot including a body which forms an appearance, a traveler which moves the body with respect to a traveling surface in a traveling area, a sensing unit which acquires environment information of the traveling area, and a controller which sets a parameter tailored to the traveling area according to the environment information and performs pattern traveling of the traveling area. Accordingly, even when information on an environment in which the moving robot is installed is not obtained from a manufacture in advance, the moving robot can directly obtain information on the corresponding environment and set an optimum parameter according to the environment to increase efficiency.

Moving robot and moving robot system

The present disclosure provides a moving robot including a body which forms an appearance, a traveler which moves the body, a boundary signal detector which detects a boundary signal generated in a boundary area of a traveling area, and a controller which controls a traveler so that the traveler performs pattern traveling a plurality of times in the traveling area, and controls the traveler so that a traveling angle during first pattern traveling and a traveling angle during second pattern traveling are different from each other. Accordingly, when the pattern traveling is performed a plurality of times, the pattern traveling is performed at angles different from each other based on a reference axis, and it is possible to minimize an area which cannot be mowed and improve efficiency.

A device for driving a plurality of motors and an electric apparatus includes a first and a second capacitor, an inverter connected to a DC terminal, a multi-phase motor connected to the inverter, a single-phase motor serially connected with the multi-phase motor, and a controller configured to control the inverter. For starting the single phase motor during operation of the multi-phase motor, the controller is configured to perform, during an alignment period, an alignment of a rotor of the single-phase motor and perform, during a voltage compensation period, a voltage compensation for compensating a voltage change of a DC terminal neutral point between the first capacitor and the second capacitor based on the alignment of the rotor of the single-phase motor.

Device for driving a plurality of motors and electric apparatus including the same

The present invention relates to a lens curvature variation apparatus using sensed temperature information. The lens curvature variation apparatus according to an embodiment is a lens curvature variation apparatus for varying a curvature of a liquid lens which is variable based on an applied electrical signal and includes a lens driver to apply an electrical signal to the liquid lens, a sensor unit to sense the curvature of the liquid lens formed based on the electrical signal, a temperature sensing unit to sense a temperature of a periphery of the liquid lens, and a controller to control the lens driver to form a target curvature of the liquid lens based on the sensed curvature, wherein the controller controls the lens driver to output a changed electrical signal to the liquid lens to form the target curvature, based on the sensed temperature. Thereby, the curvature of the lens can be sensed quickly and accurately using the sensed temperature information.

Lens curvature variation apparatus for varying lens curvature using sensed temperature information

A mowing robot includes a body which forms an outer shape and an internal space; a first wheel and a second wheel which are independently rotatably provided at a first side and a second side respectively so that the body can rotate and move forward with respect to ground; a first motor which provides a rotational force to the first wheel; a second motor which provides a rotational force to the second wheel; and a sensor which is provided in the internal space, has a gyro sensing function for at least horizontal rotation, and has a magnetic field sensing function, wherein the sensor is provided between a wheel front end plane and a wheel rear end plane, and is provided above a first motor upper end plane and a second motor upper end plane.

Mowing robot

A cleaning robot includes a cover, a fixed body provided in the cover, a traveling part connected to the fixed body, a movement frame fastened to the cover to move in correspondence with movement of the cover, an inner body configured to support the movement frame relative to the fixed body, and a rotator provided on a bottom of the inner body to rotate in correspondence with movement of the cover.

Cleaning robot

The present disclosure relates to a lawn mower robot, including an inner body; an outer cover configured to surround an outer side of the inner body; a plurality of blades rotatably provided on a bottom surface of the inner body to cut grass; casters pivotably installed at both front sides of the inner body, respectively, to be pivotable about a rotation shaft; wheels rotatably mounted at both rear sides of the inner body, respectively; a driving unit configured to drive the wheels; and a sensor unit configured to sense whether or not the caster is lifted from the ground, wherein the sensor unit comprises a drop switch configured to sense the lowering of the caster when the caster is lowered in a state of being floated in the air.

Lawn mower robot

A mobile terminal and image transmitting method therein are disclosed, by which an image photographed via a camera can be transmitted to a counterpart terminal to correspond to a preset image transmission condition. One embodiment of the present invention includes setting an image transmission condition, photographing the image in a camera photograph mode using a camera, if the image is photographed, checking the set image transmission condition, and transmitting the photographed image to each of at least one or more counterpart terminals to correspond to the checked image transmission condition.

Growing community of inventors

Seoul, South Korea

Jaehoon Jeong