Patents by Inventor Sung-Guk Lee

Sung-Guk Lee 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).

  • Publication number: 20240152028
    Abstract: A first embodiment of the present invention relates to a reflective member driving device comprising: a housing; a holder which is disposed within the housing; a reflective member which is disposed in the holder; a moving plate which is disposed between the housing and the holder; a driving magnet and a sensing magnet which are disposed in the holder; a coil which electromagnetically interacts with the driving magnet; and a first sensor which senses the sensing magnet, wherein: the driving magnet comprises first magnet which tilts the reflective member about a first axis and a second magnet which tilts the reflective member about a second axis perpendicular to the first axis; and the sensing magnet is disposed at a location where the sensing magnet does not electromagnetically interact with the coil.
    Type: Application
    Filed: March 25, 2022
    Publication date: May 9, 2024
    Inventor: Sung Guk LEE
  • Publication number: 20240152030
    Abstract: A camera actuator includes a housing; a prism unit disposed in the housing; and a driving unit for tilting the prism unit. The prism unit includes a prism mover including a receiving portion; and a prism disposed in the receiving portion. The housing includes a sidewall and a guide portion including an inclined surface disposed on the sidewall.
    Type: Application
    Filed: January 16, 2024
    Publication date: May 9, 2024
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Chang Yeon KIM, Sung-Guk LEE
  • Patent number: 11978857
    Abstract: The present disclosure provides a non-aqueous electrolyte including an additive for a non-aqueous electrolyte represented by Formula 1 below: wherein, R1 to R5 may each independently be any one selected from the group consisting of H, an alkenyl group having 2 to 20 carbon atoms, an alkynyl group having 2 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, a cycloalkenyl group having 3 to 12 carbon atoms, and a nitrile group.
    Type: Grant
    Filed: September 29, 2022
    Date of Patent: May 7, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Hyung Tae Kim, Chul Haeng Lee, Jeong Woo Oh, Byung Chun Park, Young Mi Seo, Sung Guk Park
  • Publication number: 20240126042
    Abstract: The present embodiment relates to an actuator device comprising: a housing; a holder disposed inside the housing; a reflective member disposed on the holder; a moving plate disposed between the housing and the holder; a rigid mover coupled to the holder; a first magnet disposed on the rigid mover; a second magnet disposed in the housing and generating a repulsive force with the first magnet; and a driving unit for tilting the holder, wherein with respect to a first optical axis, the central axis of the first magnet is disposed to be eccentric with the central axis of the moving plate.
    Type: Application
    Filed: February 18, 2022
    Publication date: April 18, 2024
    Inventor: Sung Guk LEE
  • Publication number: 20240114120
    Abstract: The present embodiment relates to a camera device comprising a first camera device, a second camera device, and a third camera device disposed between the first camera device and the second camera device, wherein: the first camera device includes a first bobbin, a first coil disposed on the first bobbin, a first magnet facing the first coil, and a second coil disposed under the first magnet; the second camera device includes a second bobbin, a third coil disposed on the second bobbin, and a second magnet facing the third coil; the third camera device includes a third bobbin, a fourth coil disposed on the third bobbin, a third magnet facing the fourth coil, a fourth magnet disposed on the third bobbin, and a Hall sensor for sensing the fourth magnet; and the Hall sensor of the third camera device is disposed between the fourth magnet of the third camera device and the second camera device.
    Type: Application
    Filed: December 15, 2023
    Publication date: April 4, 2024
    Inventors: Sung Guk LEE, Kyoung Ho YOO
  • Patent number: 11949988
    Abstract: Disclosed in an embodiment of the present invention is a camera actuator including a housing, a mover disposed in the housing and including an optical member, a tilting guide unit disposed between the housing and the mover, a driving unit which is disposed in the housing and drives the mover, and an elastic member disposed between the tilting guide unit and the housing, wherein the driving unit includes a first magnet disposed on a first side surface of the mover and a dummy member disposed on a second side surface of the mover facing the first side surface.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: April 2, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Sung Guk Lee
  • Publication number: 20240085948
    Abstract: A display device includes a display panel including a plurality of pixels, a folding area, a first non-folding area disposed on one side of the folding area, and a second non-folding area disposed on the other side of the folding area, a first adhesive layer disposed on one surface of the display panel, and a code pattern layer. The code pattern layer includes a light absorption layer disposed on one surface of the first adhesive layer, a base layer disposed on the light absorption layer, and a plurality of code patterns disposed on the base layer. A thickness of the base layer is smaller than a thickness of the first adhesive layer.
    Type: Application
    Filed: April 5, 2023
    Publication date: March 14, 2024
    Inventors: So Yeon HAN, Hee Young LEE, Da Som GU, Ki Jun ROH, Gil Yeong PARK, Sung Guk AN
  • Publication number: 20240080560
    Abstract: An embodiment of the present invention discloses a camera actuator comprising: a housing; a mover on which an optical member sits and which is disposed inside the housing; a ball part including a first ball and a second ball and disposed between the housing and the mover; and a driving unit that is disposed inside the housing to drive the mover, wherein the mover includes a first protrusion extending toward the housing and including a recess. The recess includes: a side surface on which the ball part sits and on which at least a portion of the recess is spaced apart from the ball part; and a bottom surface in contact with the side surface.
    Type: Application
    Filed: October 8, 2020
    Publication date: March 7, 2024
    Inventors: Young Bae JANG, Sung Guk LEE, Dae Sik JANG, Jin Kwan JEONG
  • Patent number: 11924529
    Abstract: A camera actuator according to an embodiment can comprise: a housing; a prism unit disposed inside the housing; a driving part for tilting the prism unit; and a rotation unit for tilting the prism unit about a first axis or a second axis. The rotation unit can comprise: a rotation housing; a rotation guide disposed inside the rotation housing; and a guide pin member coupled to the rotation guide.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: March 5, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Sung Guk Lee, Seong Min Lee
  • Patent number: 11916197
    Abstract: An electrolyte solution additive for a secondary battery, a non-aqueous electrolyte solution including the same, and a lithium secondary battery including the same are disclosed herein. To be specific, the above non-aqueous electrolyte solution includes the electrolyte solution additive comprising the compound represented by Formula 1: wherein, in Formula 1, R1 and R2 are each independently an unsubstituted or substituted alkylene group having 1 to 5 carbon atoms, and L is a direct bond, —O—, —COO—, —RO—, or —R?COO—, wherein R and R? are each independently an alkylene group having 1 to 10 carbon atoms. The additive has an excellent effect of scavenging a decomposition product generated from a lithium salt.
    Type: Grant
    Filed: March 24, 2022
    Date of Patent: February 27, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jeong Woo Oh, Chul Haeng Lee, Sung Guk Park
  • Patent number: 11914279
    Abstract: A camera actuator according to the embodiment includes a housing; a prism unit disposed in the housing; and a driving unit for tilting the prism unit; wherein the prism unit includes a prism mover including a receiving portion; and a prism disposed in the receiving portion; wherein the housing includes a sidewall and a guide portion including an inclined surface disposed on the sidewall.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: February 27, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Chang Yeon Kim, Sung Guk Lee
  • Publication number: 20240048038
    Abstract: A lens moving apparatus, according to one embodiment, comprises: a bobbin having a first coil installed on the outer circumferential surface thereof; a location detection sensor equipped to the bobbin; a housing in which the bobbin is provided; an upper elastic member disposed on the upper side of the housing; and a support member that supports the housing such that the housing can move in a second or third direction that is perpendicular to a first direction, wherein the upper elastic member is divided into a plurality of parts, at least two of which are disposed parallel to each other on the x-y plane in the second or third direction and are disposed such that end portions thereof face each other.
    Type: Application
    Filed: October 17, 2023
    Publication date: February 8, 2024
    Inventors: Sang Ok Park, Kyoung Ho Yoo, Sung Guk Lee, Seong Min Lee, Jun Taek Lee, Byung Wook Son
  • Publication number: 20240036304
    Abstract: A first embodiment of the present invention relates to an actuator device comprising: a housing; a holder disposed inside the housing; a reflective member disposed on the holder; a moving plate disposed between the housing and the holder; a rigid mover coupled to the holder; and a damper coupled to the rigid mover, wherein the rigid mover comprises a protruding portion coupled to the housing by the damper.
    Type: Application
    Filed: January 12, 2022
    Publication date: February 1, 2024
    Inventors: Sung Guk LEE, Seong Min LEE
  • Patent number: 11882261
    Abstract: The present embodiment relates to a camera device comprising a first camera device, a second camera device, and a third camera device disposed between the first camera device and the second camera device, wherein: the first camera device includes a first bobbin, a first coil disposed on the first bobbin, a first magnet facing the first coil, and a second coil disposed under the first magnet; the second camera device includes a second bobbin, a third coil disposed on the second bobbin, and a second magnet facing the third coil; the third camera device includes a third bobbin, a fourth coil disposed on the third bobbin, a third magnet facing the fourth coil, a fourth magnet disposed on the third bobbin, and a Hall sensor for sensing the fourth magnet; and the Hall sensor of the third camera device is disposed between the fourth magnet of the third camera device and the second camera device.
    Type: Grant
    Filed: May 31, 2022
    Date of Patent: January 23, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sung Guk Lee, Kyoung Ho Yoo
  • Patent number: 11877042
    Abstract: An embodiment of the present invention comprises: a housing; a bobbin disposed within the housing; a first magnet disposed on a first side of the bobbin; a second magnet disposed on a second side of the bobbin; a first coil disposed in the housing so as to correspond to the first magnet; a second coil disposed in the housing so as to correspond to the second magnet; first to third springs coupled to the bobbin; and a circuit board disposed in the housing and having first and second terminals, wherein the first spring connects one end of the first coil with the first terminal of the circuit board, the second spring connects one end of the second coil with the second terminal of the circuit board, and the third spring connects the other end of the first coil with the other end of the second coil.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: January 16, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Sung Guk Lee
  • Patent number: 11846771
    Abstract: A camera module is disclosed, the camera module including a PCB (Printed Circuit Board), a base arranged at an upper surface of the PCB, a holder member arranged at an upper surface of the base and formed with a plurality of magnet reception portions, a surface of which facing the base is opened, and a plurality of magnets coupled to the magnet reception portions, wherein the base is formed with a protrusion configured to support a bottom surface of the magnet by being protrusively formed at a position corresponding to an opening of the magnet reception portions.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: December 19, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jun Taek Lee, Sung Guk Lee
  • Patent number: 11841546
    Abstract: A lens moving apparatus includes a base comprising a body and a post extending upward from an upper surface of the body; a bobbin disposed on the body; a magnet disposed on the bobbin; and a coil disposed to correspond to the magnet and configured to move the bobbin in a direction parallel to an optical axis by an interaction with the magnet; and a rolling member disposed between the bobbin and the post of the base. The post includes a groove having an opening spaced from opposite ends of the groove, and the rolling member is disposed in the groove of the post, and the opening is configured to expose a portion of the rolling member. The bobbin includes a support extending into the opening so as to be in contact with the rolling member.
    Type: Grant
    Filed: September 1, 2022
    Date of Patent: December 12, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sung Guk Lee, Sang Jun Min, Tae Jin Jung
  • Publication number: 20230393448
    Abstract: A camera actuator according to an embodiment includes a base; a rail guide part coupled to the base; a first lens assembly coupled to the base and fixed; and second and third lens assemblies disposed in the base and moving along the rail guide part, wherein the base includes a coupling protrusion and a base recess adjacent to the coupling protrusion; and at least one of the rail guide part and the first lens assembly includes a coupling hole corresponding to the coupling protrusion of the base.
    Type: Application
    Filed: October 20, 2021
    Publication date: December 7, 2023
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Sung Guk LEE, Seung Hyeon JEONG, Jeung Ook PARK
  • Patent number: 11824418
    Abstract: A lens moving apparatus, according to one embodiment, comprises: a bobbin having a first coil installed on the outer circumferential surface thereof; a location detection sensor equipped to the bobbin; a housing in which the bobbin is provided; an upper elastic member disposed on the upper side of the housing; and a support member that supports the housing such that the housing can move in a second or third direction that is perpendicular to a first direction, wherein the upper elastic member is divided into a plurality of parts, at least two of which are disposed parallel to each other on the x-y plane in the second or third direction and are disposed such that end portions thereof face each other.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: November 21, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Kyoung Ho Yoo, Sung Guk Lee, Seong Min Lee, Jun Taek Lee, Byung Wook Son
  • Publication number: 20230367100
    Abstract: The first embodiment of the present invention relates to a lens driving device comprising: a cover including an upper plate and a lateral plate extending from the upper plate; a bobbin arranged to move in a first direction within the cover; a coil arranged at the bobbin; a magnet which is arranged at the cover and faces the coil; and a base which is arranged below the bobbin and coupled to the cover, wherein the bobbin includes: a first surface facing the upper plate of the cover; a second surface which faces upwards and is arranged lower than the first surface; a first protrusion which is arranged at the first surface of the bobbin and overlapped with the upper plate of the cover in a first direction; and a groove concavely formed downwards on the second surface of the bobbin.
    Type: Application
    Filed: July 26, 2023
    Publication date: November 16, 2023
    Inventor: Sung Guk LEE