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公开(公告)号：US11605997B2
公开(公告)日：2023-03-14
申请号：US17142920
申请日：2021-01-06
Applicant: LG Electronics Inc.
Inventor： Jaeho Kim , Sunghyun Kim , Kyungho Ha , Sunghoon Kwak
Abstract: An electric motor assembly for, for example, a hair dryer, includes an impeller, an outer housing in which the impeller is accommodated, an inner housing concentrically disposed in the outer housing, a stator having one side thereof accommodated in the inner housing, a rotor provided with a rotating shaft having one end coupled to the impeller and rotatably accommodated in the stator, a first bearing disposed at one side of the rotor, a second bearing disposed at another side of the rotor, and a bracket coupled to the stator and the outer housing so as to support the second bearing. Accordingly, initial alignment of the stator and the rotor may be securely maintained.
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公开(公告)号：US11349360B2
公开(公告)日：2022-05-31
申请号：US16696117
申请日：2019-11-26
Applicant: LG Electronics Inc.
Inventor： Jaeho Kim , Minsoo La , Hyuk Nam , Kyungmo Yu , Sangyoung Cho , Kyungho Ha , Pangeun Kim
Abstract: A motor includes a stator and a rotor rotatably disposed at an inner side of the stator or an outer side of the stator. The rotor includes a rotor core block including a plurality of rotor core segments that are arranged along a circumferential direction of the rotor, where each of the rotor core segments includes a plurality of electrical steel sheets that are stacked on one another. The rotor further includes a plurality of permanent magnets disposed between the plurality of rotor core segments, where the plurality of rotor core segments and the plurality of permanent magnets are alternately arranged along the circumferential direction of the rotor. The plurality of electrical steel sheets include bridges that connect the plurality of rotor core segments to one another along the circumferential direction of the rotor.
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公开(公告)号：US11246227B2
公开(公告)日：2022-02-08
申请号：US16775673
申请日：2020-01-29
Applicant: LG Electronics Inc.
Inventor： Jihoon Han , Kitae Kang , Jinha Heo , Dohyeon Kim , Hyunjong Ryu , Jaeho Kim , Inkeun Ryu , Namhyeon Choi
Abstract: A display device that includes a housing with at least one Printed Circuit Board (PCB) and a plurality of rollers disposed in the housing. The display device also includes a display unit which, in turn, includes a display panel and a module cover. The display device further includes a driving unit that is connected to the display panel and the module cover. The driving unit moves the display panel and the module cover between a first state and a second state. In the first state, the panel and module cover are wound around at least one of the plurality of rollers, and in the second state they are unwound from the at least one of the plurality of rollers and exposed by being drawn out from the housing.
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公开(公告)号：US10588223B2
公开(公告)日：2020-03-10
申请号：US16141359
申请日：2018-09-25
Applicant: LG Electronics Inc.
Inventor： Jihoon Han , Kitae Kang , Jinha Heo , Dohyeon Kim , Hyunjong Ryu , Jaeho Kim , Inkeun Ryu , Namhyeon Choi
Abstract: A display device that includes a housing with at least one Printed Circuit Board (PCB) and a plurality of rollers disposed in the housing. The display device also includes a display unit which, in turn, includes a display panel and a module cover. The display device further includes a driving unit that is connected to the display panel and the module cover. The driving unit moves the display panel and the module cover between a first state and a second state. In the first state, the panel and module cover are wound around at least one of the plurality of rollers, and in the second state they are unwound from the at least one of the plurality of rollers and exposed by being drawn out from the housing.
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公开(公告)号：US20220124916A1
公开(公告)日：2022-04-21
申请号：US17566649
申请日：2021-12-30
Applicant: LG Electronics Inc.
Inventor： Jihoon Han , Kitae Kang , Jinha Heo , Dohyeon Kim , Hyunjong Ryu , Jaeho Kim , Inkeun Ryu , Namhyeon Choi
Abstract: A display device that includes a housing with at least one Printed Circuit Board (PCB) and a plurality of rollers disposed in the housing. The display device also includes a display unit which, in turn, includes a display panel and a module cover. The display device further includes a driving unit that is connected to the display panel and the module cover. The driving unit moves the display panel and the module cover between a first state and a second state. In the first state, the panel and module cover are wound around at least one of the plurality of rollers, and in the second state they are unwound from the at least one of the plurality of rollers and exposed by being drawn out from the housing.
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Patent Agency Ranking
公开(公告)号：US11258321B2
公开(公告)日：2022-02-22
申请号：US16696393
申请日：2019-11-26
Applicant: LG Electronics Inc.
Inventor： Jaeho Kim , Minsoo La , Hyuk Nam , Kyungmo Yu , Sangyoung Cho , Kyungho Ha , Pangeun Kim
Abstract: A motor includes a stator and a rotor rotatably coupled to a rotation shaft. The rotor includes: rotor core segments arranged along a circumferential direction of the rotor on the inner side or the outer side of the stator and spaced apart from one another to define permanent magnet arrangement slots between the rotor core segments; permanent magnets inserted into the permanent magnet arrangement slots, respectively; and a rotor frame including rotor frame pins that fix each of the permanent magnets between the rotor core segments. Each of the rotor core segments defines a rotor core hole that extends parallel to an axial direction of the rotation shaft. The rotor frame comprises: a base formed to surround the plurality of rotor core segments and the plurality of permanent magnets in a direction parallel to an axial direction of the rotation shaft; and a plurality of permanent magnet fixing jig holes formed only at an inner end between the inner and outer ends of the base to expose the plurality of permanent magnets.
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公开(公告)号：US10007134B2
公开(公告)日：2018-06-26
申请号：US14456190
申请日：2014-08-11
Applicant: LG ELECTRONICS INC.
Inventor： Jaeho Kim , Bumgi Min , Youngsung Kim , Jinha Heo
IPC: G02F1/1333 , G02F1/1335 , F21V15/01 , F21V15/04 , H05K5/02 , F16B5/02 , F21V17/16 , H04M1/02 , F16B5/12
CPC classification number: G02F1/133308 , F16B5/02 , F16B5/121 , F16B5/126 , F21V15/01 , F21V15/04 , F21V17/162 , G02F1/1335 , G02F1/133512 , G02F1/133536 , G02F1/133608 , G02F2001/133311 , G02F2001/133314 , G02F2001/133317 , G02F2001/13332 , G02F2001/133567 , G02F2201/46 , G02F2201/503 , G02F2202/28 , H04M1/0266 , H05K5/02
Abstract: A display device is provided. The display device may include a display panel including a front substrate and a back substrate, a frame positioned behind the display panel, an optical layer positioned between the display panel and the frame, and a supporting film attached to the display panel and connected to the frame. The display device may also include a fastening device for fastening the supporting film to the frame. The display panel may include a front polarizing film attached to a front surface of the front substrate, and a back polarizing film attached to a back surface of the back substrate. The supporting film may be attached to the back polarizing film.
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公开(公告)号：US12266978B2
公开(公告)日：2025-04-01
申请号：US17885859
申请日：2022-08-11
Applicant: LG ELECTRONICS INC.
Inventor： Jaeho Kim , Younggeun Min , Jiwan Lee , Kyungho Ha
Abstract: A flux concentrate type rotor may include a shaft; a rotor core; and an arc type permanent magnet having an inner diameter portion and an outer diameter portion. The rotor core includes an annular ring-shaped inner diameter portion core having a shaft through hole, a plurality of outer diameter portion cores arranged along a circumferential direction of the inner diameter portion core on an outer circumferential surface of the inner diameter portion core, and spaced apart from each other to form permanent magnet insertion portion, and a plurality of bridges arranged along the circumferential direction of the inner diameter portion core to correspond to each of the outer diameter portion cores, and connect each of the outer diameter portion cores to the inner diameter portion core. The outer diameter portion core has a first cutout portion positioned at a lower end.
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公开(公告)号：US11785726B2
公开(公告)日：2023-10-10
申请号：US17566649
申请日：2021-12-30
Applicant: LG Electronics Inc.
Inventor： Jihoon Han , Kitae Kang , Jinha Heo , Dohyeon Kim , Hyunjong Ryu , Jaeho Kim , Inkeun Ryu , Namhyeon Choi
CPC classification number: H05K5/0017 , G09F9/301 , G09F15/0062 , H05K1/028 , H05K5/0217 , H05K5/03 , H05K7/1427 , H05K2201/051
Abstract: A display device that includes a housing with at least one Printed Circuit Board (PCB) and a plurality of rollers disposed in the housing. The display device also includes a display unit which, in turn, includes a display panel and a module cover. The display device further includes a driving unit that is connected to the display panel and the module cover. The driving unit moves the display panel and the module cover between a first state and a second state. In the first state, the panel and module cover are wound around at least one of the plurality of rollers, and in the second state they are unwound from the at least one of the plurality of rollers and exposed by being drawn out from the housing.
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公开(公告)号：US11355979B2
公开(公告)日：2022-06-07
申请号：US16696311
申请日：2019-11-26
Applicant: LG Electronics Inc.
Inventor： Jaeho Kim , Minsoo La , Hyuk Nam , Kyungmo Yu , Sangyoung Cho , Kyungho Ha , Pangeun Kim
Abstract: A motor includes a stator and a rotor. The rotor includes: a plurality of rotor core segments arranged along a circumferential direction of the rotor on the inner side or the outer side of the stator and spaced apart from one another to define a plurality of permanent magnet arrangement slots between the plurality of rotor core segments, a plurality of permanent magnets inserted into the plurality of permanent magnet arrangement slots, respectively, a rotor frame that couples the plurality of rotor core segments and the plurality of permanent magnets to each to other, and an outer ring that is made of a non-magnetic material and that surrounds an outer end of the plurality of rotor core segments and an outer end of the plurality of permanent magnets. The plurality of rotor core segments and the plurality of permanent magnets are alternately arranged along the circumferential direction of the rotor.
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