Patents by Inventor Eunji Hwang

Eunji Hwang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11976666
    Abstract: A fan motor includes: a housing, a rotation shaft oriented across an inner center of the housing, an impeller located at a first side of the rotation shaft, a rotor connected to the rotation shaft and spaced apart from the impeller in an axial direction, a stator that surrounds the rotor, a first bearing located at a first end of the rotation shaft, a second bearing that is located at a second end of the rotation shaft and that is configured to rotatably support the rotation shaft, and a first bearing housing that accommodates and supports the first bearing, that is fixed inside the housing, and that is configured to guide a flow of air introduced into the housing.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: May 7, 2024
    Assignee: LG Electronics Inc.
    Inventors: Sunggi Kim, Byungjik Kim, Eunji Hwang, Jisu Hwang
  • Patent number: 11970547
    Abstract: The present disclosure relates to a novel anti-HER2 antibody or an antigen-binding fragment thereof used in the prevention or treatment of cancer, a chimeric antigen receptor including the same, and uses thereof. The antibody of the present disclosure is an antibody that specifically binds to HER2 which is highly expressed in cancer cells (particularly, breast cancer or gastric cancer cells), and binds to an epitope that is different from an epitope to which trastuzumab binds.
    Type: Grant
    Filed: April 10, 2023
    Date of Patent: April 30, 2024
    Assignee: GC Cell Corporation
    Inventors: Jong Seo Lee, Kyu Tae Kim, Young Ha Lee, In Sik Hwang, Bong Kook Ko, Eunji Choi, You-Sun Kim, Jeongmin Kim, Miyoung Jung, Hoyong Lim, Sungyoo Cho
  • Patent number: 11963654
    Abstract: A cleaner includes: a suction motor that generates suction force; a dust separation unit that separates dust from air sucked by the suction force; a motor housing that covers the suction motor; a flow guide that surrounds an outer side of the motor housing and guides air discharged from the dust separation unit to the suction motor; and a body that forms an external appearance by surrounding the flow guide and guides air discharged from the suction motor together with the flow guide.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: April 23, 2024
    Assignee: LG Electronics Inc.
    Inventors: Bohyun Nam, Namhee Kim, Jinju Kim, Hyeonjeong An, Jungbae Hwang, Philjae Hwang, Mantae Hwang, Eunji Sung, Taekgi Lee
  • Publication number: 20240125326
    Abstract: A fan motor includes a rotating shaft on which an impeller is mounted, a motor unit for driving the rotating shaft, a plurality of bearings supporting the rotating shaft, a spring serially disposed between the plurality of bearings to axially apply force to an outer ring of one of the plurality of bearings, and a cylinder brought into contact with the spring to transfer elastic pressing force of the spring to the outer ring of the bearing. Accordingly, by applying a preload to the outer ring of the bearing, a ball of the bearing can be restricted from moving axially and radially between the outer ring and an inner ring of the bearing. The spring has a structure that is surface-contactable and has a length shorter than a diameter, and does not require a separate cartridge such as a sleeve for fixing the spring.
    Type: Application
    Filed: September 13, 2023
    Publication date: April 18, 2024
    Inventors: Jisu HWANG, Byungjik KIM, Eunji HWANG, Sunggi KIM, Yoonchul RHIM
  • Publication number: 20240120796
    Abstract: A fan motor is disclosed. The fan motor includes an impeller, a rotational shaft, a plurality of bearings, and a heat dissipation fin. The impeller is mounted on the rotational shaft. The plurality of bearings support the rotational shaft. The heat dissipation fin is mounted on the rotational shaft and includes rotating blades rotating centering on the rotational shaft. According to this, the heat dissipation fin may cool the bearing by using convection.
    Type: Application
    Filed: July 21, 2023
    Publication date: April 11, 2024
    Inventors: Sunggi KIM, Byungjik KIM, Eunji HWANG, Jisu HWANG
  • Publication number: 20240093689
    Abstract: A fan motor is disclosed. The fan motor includes a heat dissipation fin. The heat dissipation fin includes an outer ring part, an inner ring part disposed inside the outer ring part, and a connection part connecting the outer ring part and the inner ring part. The inner ring part is elastically deformed to be inclined in parallel to a rotational shaft which is inclined when axial alignment between bearings is not made. Accordingly, the heat dissipation fin can reduce a temperature of the bearing while enclosing the bearing, and improve concentricity (axial alignment) of the bearing.
    Type: Application
    Filed: July 21, 2023
    Publication date: March 21, 2024
    Inventors: Eunji HWANG, Byungjik KIM, Sunggi KIM, Jisu HWANG
  • Publication number: 20240099165
    Abstract: Provided is a semiconductor device. The semiconductor device includes a phase change material layer on a substrate, a gate electrode disposed on the phase change material layer and inducing accumulation of charges in the phase change material layer, and a pair of source/drain electrodes spaced apart from each other with the gate electrode therebetween on the phase change material layer. The phase change material layer includes a phase change region having a crystal structure that changes due to the accumulation of the charges as a voltage is applied to the gate electrode.
    Type: Application
    Filed: January 16, 2023
    Publication date: March 21, 2024
    Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHINOLOGY, RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Heejun YANG, Eunji Hwang, Yonas Assefa Eshete
  • Publication number: 20240081087
    Abstract: A light-emitting device, a method of manufacturing the light-emitting device, and a method of operating the light-emitting device. The light-emitting device includes a first conductive layer comprising gold, an interlayer disposed on a surface of the first conductive layer, the interlayer comprises an inorganic salt, and a plurality of light-emitting group represented by Formula 1 chemically bonded to the surface of the first conductive layer. Formula 1 *—A3—(A1)m1—(A2)m2 A detailed description of Formula 1 is the same as described in this specification.
    Type: Application
    Filed: August 9, 2023
    Publication date: March 7, 2024
    Inventors: Joonghyuk KIM, Muhyun Baik, Eunji Lee, Seungyeon Kwak, Yongsik Jung, Hyejin Moon, Kyuyoung Hwang, Yerin Park, Changjin Oh, Joonghee Won, Hyeonho Choi
  • Publication number: 20240065504
    Abstract: A cleaner includes: a main body that has an opening; a suction motor that is disposed in the main body and generates suction force; and a filter unit that includes an exhaust filter for filtering air discharged from the suction motor, the filter unit being inserted into the main body through the opening and being separated from the main body, wherein when the filter unit is combined with the main body, a portion of the filter unit protrudes out of the main body, and a portion of the exhaust filter is positioned inside the main body and the other portion of the exhaust filter is positioned outside the main body.
    Type: Application
    Filed: November 2, 2023
    Publication date: February 29, 2024
    Inventors: Bohyun NAM, Namhee KIM, Jinju KIM, Hyeonjeong AN, Jungbae HWANG, Philjae HWANG, Mantae HWANG, Eunji SUNG, Taekgi LEE
  • Publication number: 20230399229
    Abstract: Provided is a thin film including Mo1-xWxTe2 stacked in a plurality of layers. The thin film has a thickness of about 1 nm to about 100 nm in a stacking direction, has a symmetric lattice structure at a temperature higher than a threshold temperature, and has an asymmetric lattice structure at a temperature equal to or lower than the threshold temperature.
    Type: Application
    Filed: January 9, 2023
    Publication date: December 14, 2023
    Applicants: KOREA ADVANCED INSTITUTEOF SCIENCE AND TECHNOLOGY, RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Heejun YANG, Eunji HWANG, Yonas Assefa ESHETE
  • Publication number: 20230332623
    Abstract: A fan motor includes a housing, a rotating shaft that is rotatably disposed in the housing and extends through the housing, an impeller rotatably disposed at the rotating shaft, a first vane disposed adjacent to the impeller and configured to guide a flow of air generated by the impeller, a rotor disposed at the rotating shaft and spaced apart from the impeller in an axial direction of the rotating shaft, a stator that is disposed in the housing and surrounds the rotor, the stator and the rotor defining an air gap therebetween, and a second vane coupled to the stator and disposed downstream relative to the first vane in a flow direction of the flow of air. The second vane is in contact with at least a part of an inner surface of the housing.
    Type: Application
    Filed: June 22, 2023
    Publication date: October 19, 2023
    Inventors: Sunggi KIM, Byungjik KIM, Eunji HWANG, Jisu HWANG
  • Patent number: 11725671
    Abstract: A fan motor includes a housing, a rotating shaft that is rotatably disposed in the housing and extends through the housing, an impeller rotatably disposed at the rotating shaft, a first vane disposed adjacent to the impeller and configured to guide a flow of air generated by the impeller, a rotor disposed at the rotating shaft and spaced apart from the impeller in an axial direction of the rotating shaft, a stator that is disposed in the housing and surrounds the rotor, the stator and the rotor defining an air gap therebetween, and a second vane coupled to the stator and disposed downstream relative to the first vane in a flow direction of the flow of air. The second vane is in contact with at least a part of an inner surface of the housing.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: August 15, 2023
    Assignee: LG Electronics Inc.
    Inventors: Sunggi Kim, Byungjik Kim, Eunji Hwang, Jisu Hwang
  • Patent number: 11637487
    Abstract: A motor assembly includes a first bearing installed on a rotating shaft adjacent to an impeller to support a first support part of the rotating shaft, a second bearing installed on the rotating shaft adjacent to the rotor to support a second support part of the rotating shaft, a bearing bracket receiving the first and second bearings therein, an elastic member inserted between the first bearing and the bearing bracket or between the second bearing and the bearing bracket to press either the first bearing or the second bearing to get closer to each other, and a separation preventing member installed on the bearing bracket to fix the first bearing, the second bearing and the elastic member to an inner space of the bearing bracket such that at least one portion of the separation preventing member overlaps with one of the first bearing, the second bearing and the elastic member.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: April 25, 2023
    Assignee: LG Electronics Inc.
    Inventors: Sunggi Kim, Byungjik Kim, Eunji Hwang, Jisu Hwang
  • Patent number: 11608832
    Abstract: The present embodiment comprises: a rotary shaft; a rotor mounted on the rotary shaft; a stator for encompassing the outer circumference of the rotor; an impeller mounted on the rotary shaft so as to be spaced from the rotor; a bearing housing having a through-hole through which the rotary shaft passes; a rolling bearing disposed in the bearing housing and coupled to the rotary shaft; and a gas bearing disposed in the bearing housing so as to be spaced from the rolling bearing in an axial direction, and facing the outer circumference of the rotary shaft.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: March 21, 2023
    Assignee: LG Electronics Inc.
    Inventors: Sunggi Kim, Byungjik Kim, Eunji Hwang, Donghan Kim, Changlae Kim
  • Patent number: 11466695
    Abstract: A motor assembly includes a rolling bearing installed on a rotation shaft between an impeller and a rotor to support a first support of the rotation shaft, and a motor housing having a stator. The motor housing has a gas bearing bracket for accommodating a second support of the rotation shaft disposed at a side opposite to the first support with respect to the rotor. The motor assembly includes a gas bearing assembly in the gas bearing bracket to support rotation of the second support of the rotation shaft. The gas bearing assembly includes a gas bearing for surrounding the second support. The gas bearing is spaced apart from the second support of the rotation shaft to define a gap therebetween when the rotation shaft rotates. The gas bearing assembly includes an elastic member interposed between the gas bearing bracket and the gas bearing to elastically support the gas bearing.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: October 11, 2022
    Assignee: LG Electronics Inc.
    Inventors: Sunggi Kim, Byungjik Kim, Eunji Hwang, Jisu Hwang
  • Patent number: 11466729
    Abstract: A motor assembly includes a rotation shaft, an impeller installed at one side of the rotation shaft, a rotor mounted at the other side of the rotation shaft to be spaced apart from the impeller along an axial direction of the rotation shaft, a stator surrounding an outer face of the rotor such that the stator is spaced apart from the rotor along a radial direction of the rotation shaft, a first bearing installed at the one side of the rotation shaft between the impeller and the rotor, and a second bearing installed at the other side of the rotation shaft, opposite to the first bearing with respect to the rotor, and disposed to be axially closer to the other end of the rotation shaft than the rotor. An outer diameter of the first bearing is larger than an outer diameter of the second bearing.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: October 11, 2022
    Assignee: LG Electronics Inc.
    Inventors: Sunggi Kim, Byungjik Kim, Eunji Hwang, Jisu Hwang
  • Patent number: 11441570
    Abstract: An embodiment of the present disclosure discloses a motor assembly including a rotation shaft, an impeller including a hub fastened to the rotation shaft, and a plurality of blades protruding outward from an outer surface of the hub, an inlet body for surrounding an outer circumference of the impeller, and a coating layer coated on an inner surface of the inlet body, wherein at least a portion of the coating layer is ground in a form of powder by friction with the plurality of blades during rotation of the impeller.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: September 13, 2022
    Assignee: LG Electronics Inc.
    Inventors: Eunji Hwang, Byungjik Kim, Sunggi Kim, Jisu Hwang
  • Publication number: 20220128062
    Abstract: A fan motor includes: a housing, a rotation shaft oriented across an inner center of the housing, an impeller located at a first side of the rotation shaft, a rotor connected to the rotation shaft and spaced apart from the impeller in an axial direction, a stator that surrounds the rotor, a first bearing located at a first end of the rotation shaft, a second bearing that is located at a second end of the rotation shaft and that is configured to rotatably support the rotation shaft, and a first bearing housing that accommodates and supports the first bearing, that is fixed inside the housing, and that is configured to guide a flow of air introduced into the housing.
    Type: Application
    Filed: March 30, 2021
    Publication date: April 28, 2022
    Inventors: Sunggi KIM, Byungjik KIM, Eunji HWANG, Jisu HWANG
  • Publication number: 20220010811
    Abstract: A fan motor includes a housing, a rotating shaft that is rotatably disposed in the housing and extends through the housing, an impeller rotatably disposed at the rotating shaft, a first vane disposed adjacent to the impeller and configured to guide a flow of air generated by the impeller, a rotor disposed at the rotating shaft and spaced apart from the impeller in an axial direction of the rotating shaft, a stator that is disposed in the housing and surrounds the rotor, the stator and the rotor defining an air gap therebetween, and a second vane coupled to the stator and disposed downstream relative to the first vane in a flow direction of the flow of air. The second vane is in contact with at least a part of an inner surface of the housing.
    Type: Application
    Filed: July 8, 2021
    Publication date: January 13, 2022
    Inventors: Sunggi KIM, Byungjik KIM, Eunji HWANG, Jisu HWANG
  • Publication number: 20210348616
    Abstract: A fan motor includes a shroud, a rotating shaft that is disposed inside the shroud and includes a first support portion, a second support portion, and a permanent magnet mounting portion disposed between the first support portion and the second support portion, an impeller disposed at a first end portion of the rotating shaft, an air bearing that is disposed adjacent to the impeller and defines an air gap facing the first support portion, a permanent magnet disposed at the permanent magnet mounting portion between the first end portion and a second end portion of the rotating shaft opposite to the first end portion in the axial direction, and a ball bearing disposed at the second end portion of the rotating shaft and configured to rotatably support the second support portion.
    Type: Application
    Filed: March 19, 2021
    Publication date: November 11, 2021
    Inventors: Eunji HWANG, Byungjik KIM, Sunggi KIM, Jisu HWANG