Lg Electronics Inc.

Postech Academy-industry Foundation

Yongdae Kim

Donghyun Kim

Jin Il Hong

Kwangyong Jang

Joohang Kang

Cheol Han

Jin Hong

Jungsub Kim

Sunghyun Moon

Hyeonho Ha

Myungkeun Yoo

Hohyun Son

Sunggi Kim

Indo Chung

Junggu Lee

Seongman Jeon

Seehyung Lee

Jina Jeon

Youngdo Kim

Joodo Park

Myoungsoo Kim

Giyeob Yang

Yeonhong Jung

Yoonchul Kim

Jongkyu Kim

An electric motor includes a stator and a rotor which is rotatable with respect to the stator. The stator has: a stator core; and a stator coil which is wound around the stator core. The stator core has: a yoke which is segmented in the circumferential direction of the stator; an assembly connector which is coupled between two yokes which are continuously disposed along the circumferential direction of the stator; and teeth which protrude along the radial direction of the stator from the inner surface of the assembly connector.

Electric motor, cleaner having same and electric motor manufacturing method

Disclosed, in the present specification, is a transfer substrate for transferring a semiconductor light emitting device with high reliability and a method for manufacturing a display device by using same. Specifically, the transfer substrate includes an organic stamp layer having a protrusion, wherein the organic stamp layer contains a plurality of inorganic fillers, and the concentration of the inorganic fillers is formed so as to increase as the distance from the protrusion increases. Therefore, the protrusion of the organic stamp layer has a low concentration of the inorganic fillers so as to maintain sufficient adhesion for transferring the semiconductor light emitting device, and the stiffness of the organic stamp layer itself is formed so as to be much stronger than that of a stamp layer using a single organic material. Accordingly, it is possible to improve the accuracy of transfer by minimizing an arrangement error of the semiconductor light emitting device due to the deformation of the stamp layer occurring in a transfer process. Accordingly, it is possible to improve the accuracy of transfer by minimizing an arrangement error of the semiconductor light emitting device caused by the deformation of the stamp layer occurring during a transfer process.

Method for manufacturing display device, and transfer substrate for manufacturing display device

The display device can include a substrate, a first insulating layer on the substrate, first and second assembling wirings on the substrate, a second insulating layer disposed on the first and second assembling wirings and having a first hole and at least one or more second hole extending in a lateral direction of the first hole, a semiconductor light emitting device in the first hole, and a connection electrode in the second hole.

Display device

The present invention relates to a fan motor comprising: a housing; a vane hub received in the housing; an insulator mounted inside the vane hub to insulate a stator comprising a stator core and a stator coil wound on the stator core; and a lower bracket coupled to the insulator, wherein a plurality of power line lead-out holes are formed in the lower bracket so as to allow a power line extending from the stator coil to pass therethrough, and a plurality of air holes are formed in the circumferential direction between the respective power line lead-out holes so as to allow air to be suctioned toward the stator. Accordingly, a flow channel of air to for cooling a stator can be formed inside a stator slot, and thus cooling of the stator can be facilitated.

Fan motor

Discussed is a manufacturing method of a display apparatus, and the display apparatus. The display includes a substrate, an adhesive layer located on the substrate and including protruding portions, semiconductor light-emitting diodes located on the adhesive layer, an insulating layer located on the semiconductor light-emitting diodes and the adhesive layer, and wiring electrodes electrically connected to the semiconductor light-emitting diodes, wherein the protruding portions of the adhesive layer are positioned at regular intervals to correspond to the shapes of the contact surfaces of the semiconductor light-emitting diodes in contact with the adhesive layer.

Display apparatus using micro LED and manufacturing method therefor

An electric motor assembly includes a stator and a rotor configured to rotate relative to the stator. The stator includes a stator core including a yoke that has a ring shape and a plurality of teeth radially coupled to an inner surface of the yoke, a stator coil that is wound around the stator core, and an insulator disposed between the stator core and the stator coil. The insulator includes a yoke insulator that is coupled to the yoke with a first coupling tolerance defined between the yoke insulator and the plurality of tooth insulators, and a plurality of tooth insulators that are coupled to the plurality of teeth, respectively, with a second coupling tolerance defined between the yoke and the plurality of teeth. The first coupling tolerance is less than the second coupling tolerance.

Electric motor assembly

The present disclosure relates to a stator which prevents motor efficiency from deteriorating while increasing divided contact areas of divided teeth. According to the present disclosure, provided is a stator characterized by comprising a back yoke having a certain thickness in the radial direction, and divided teeth coupled to the back yoke, wherein: the back yoke includes recessed grooves into which the divided teeth fit; the divided teeth include a winding portion forming a section on which a coil is wound and a coupling portion extending from the winding portion and fitting into the grooves; and the length of the back yoke in the radial direction at the coupling portion is greater than half the thickness of the back yoke.

Stator with split teeth with coupling portion to back yoke

A stator core of a fan motor comprises: a back yoke body; and a plurality of teeth which are spaced apart from each other inside the back yoke body, wherein each of the plurality of teeth comprises: a neck coupled to the back yoke body; and a shoe protruding from the neck and facing the outer circumference of a rotor, and each of a plurality of insulators of the fan motor comprises: a neck insulator surrounding the neck; a first barrier protruding from the neck insulator in an axial direction; and a pair of second barriers protruding from the neck insulator towards the inner circumference of the back yoke body.

A fan motor includes: a motor including a stator and a rotor, a motor housing accommodating the motor, a bearing case disposed at a lower portion of the motor housing, an impeller coupled to a rotary shaft of the motor, a vane structure disposed at a lower side of the impeller and configured to guide air, and a lead cable connector provided in the bearing case. The stator of the motor includes a core and a coil that is wound on the core, and the lead cable connector is connected to a lead cable of the coil of the stator.

An electric motor assembly includes a housing, an impeller disposed inside the housing, a stator disposed at one side of the impeller in an axial direction of the impeller, the stator comprising a plurality of coil parts, a rotor that includes a rotation shaft connected to the impeller and that is configured to rotate relative to the stator, a bracket that is coupled to the housing and supports the rotation shaft, and a connection ring that electrically connects together end portions of the plurality of coil parts.

Electrical and mechanical connection structure for motor assembly used for driving an impeller

A drip tray provided in a machine compartment of a refrigerator including a fan assembly accommodation space blocked from a defrosted water storage space via an inner wall such that defrosted water does not flow into the fan assembly accommodation space. The fan assembly includes a cutout, wherein the cut-out overlaps a portion of the defrosted water storage space beyond the inner wall when the fan assembly is provided in the fan assembly accommodation space.

Drip tray for a compact machine compartment and refrigerator using a drip tray

Various embodiments relate to a stator having an improved structure of an insulator coupled to teeth and to a motor having the stator. The stator includes an insulator. The insulator includes: a coil-wound portion surrounding an outer circumferential face of a tooth; and both side walls respectively extending from both sides of the coil-wound portion, wherein the both side walls and the coil-wound portion defines a space receiving the coil, wherein one of the both side walls includes a coupling portion, wherein the insulator are divided into two parts and the two parts are coupled to each other via the coupling portion such that the tooth is inserted into and coupled to the insulator.

Motor

Various embodiments relate to a motor in which a structure of an insulator is improved. The motor includes an upper insulator coupled to a top face of a stator core. The upper insulator includes a power terminal unit connected to each of 3-phases power lead wires; and an upper insulator body for insulating the power terminal unit from the stator core. The upper insulator includes protrusions radially protruding from the upper insulator body. Each protrusion has a guide hole defined therein for receiving each of the 3-phases power lead wires.

Growing community of inventors

Seoul, South Korea

Yongdae Kim