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: 20220404683
    Abstract: An embodiment of the present invention discloses a camera actuator including a housing, a mover disposed in the housing, a tilting guide part disposed between the housing and the mover, a driving part disposed in the housing to drive the mover, a first magnetic body disposed at the mover, and a second magnetic body disposed to face the first magnetic body, wherein the tilting guide part is pressed by the mover due to repulsive force of the first magnetic body and the second magnetic body.
    Type: Application
    Filed: November 23, 2020
    Publication date: December 22, 2022
    Applicant: LG INNOTEK CO., LTD.
    Inventor: Sung Guk LEE
  • Patent number: 11493726
    Abstract: An embodiment comprises: a housing; a bobbin arranged inside the housing; a first coil arranged on the bobbin; first magnets arranged on first to fourth corner portions of the housing, respectively; a first circuit board which is arranged on a first side portion of the housing, and which comprises a first terminal, a second terminal, a third terminal, and a fourth terminal; a first position sensor arranged on the first circuit board and electrically connected to the first to fourth terminals; a first upper elastic unit arranged on the first corner portion of the housing; a second upper elastic unit arranged on the second corner portion of the housing; a third upper elastic unit arranged on the third corner portion of the housing; and a fourth upper elastic unit arranged on the fourth corner portion of the housing. One end of the first upper elastic unit extends from the first corner portion to the first side portion of the housing and is coupled to the first terminal.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: November 8, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Sung Guk Lee, Sang Jun Min
  • Patent number: 11480810
    Abstract: A lens moving apparatus includes a housing for supporting a first magnet, a bobbin, which includes a first coil provided on an outer surface thereof and which moves in a first direction, a support member, which is disposed over one side surface of the housing, and which supports the bobbin and the housing such that the bobbin and the housing are movable in second and/or third directions, which are perpendicular to the first direction, a second coil, which is disposed over the housing, and which is spaced apart from the support member by a predetermined distance and which generates an electromagnetic force to move the support member in the second and/or third directions, and a printed circuit board disposed over the second coil.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: October 25, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sung Guk Lee, Sang Jun Min, Tae Jin Jung
  • Publication number: 20220326510
    Abstract: A prism drive device of the present invention comprises: a housing; a mover disposed in the housing; a prism disposed in the mover; a first magnet disposed in the mover; a coil disposed in the housing; a guide part disposed between the housing and the mover and configured to guide the tilting of the mover; and a second magnet disposed in the housing and facing the first magnet, wherein the first magnet and the second magnet face each other with the same pole.
    Type: Application
    Filed: October 8, 2020
    Publication date: October 13, 2022
    Inventor: Sung Guk LEE
  • Patent number: 11467368
    Abstract: An embodiment comprises: a base which comprises a body and a first column part, a second column part, a third column part, and a fourth column part arranged at corner parts of the body, respectively; a bobbin disposed on the body; a first roller part disposed in a first groove provided on the first column part; a second roller part disposed in a second groove provided on the second column part adjacent to the first column part; a magnet disposed on the bobbin; and a coil corresponding to the magnet and disposed between the first and the second column part, wherein the first roller part contacts at least two areas of the first groove, the second roller part contacts at least two areas of the second groove, the first groove comprises a first opening through which a part of the first roller part is exposed, the second groove comprises a second opening through which a part of the second roller part is exposed, and the bobbin comprises a first support part disposed in the first opening and contacting the first rol
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: October 11, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sung Guk Lee, Sang Jun Min, Tae Jin Jung
  • Patent number: 11448848
    Abstract: A lens drive device including a bobbin disposed within the housing; a coil disposed in the bobbin; a magnet disposed in the housing and facing the coil; a base disposed below the housing; and an elastic member coupled to the bobbin and the housing is provided. The base includes a groove formed in the upper surface thereof. At least a part of the elastic member is disposed in the groove of the base or above the groove. The groove of the base is disposed with a damping material.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: September 20, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Sung Guk Lee
  • Publication number: 20220295039
    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: May 31, 2022
    Publication date: September 15, 2022
    Inventors: Sung Guk LEE, Kyoung Ho YOO
  • Publication number: 20220285064
    Abstract: An embodiment of the present invention relates to a lens driving device comprising: a base; a housing; a bobbin; a first magnet; a first coil; a first substrate including a second coil; an upper elastic member; a lateral elastic member; a second magnet; and a sensor, wherein the bobbin comprises a recess in which the second magnet is disposed; the upper elastic member comprises an inner portion coupled to the bobbin, an outer portion coupled to the housing, and a connection part connecting the inner portion and the outer portion to each other, and the inner portion includes a first region overlapping the second magnet in the optical axis direction.
    Type: Application
    Filed: September 8, 2020
    Publication date: September 8, 2022
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Sung Guk LEE, Sang Jun MIN
  • Publication number: 20220269146
    Abstract: A camera actuator according to an embodiment includes: a housing; a prism unit disposed in the housing; a driving part tilting the prism unit; a second pivot plate disposed on a side wall of the housing; and a first pivot plate disposed between the second pivot plate and the prism unit, wherein the prism unit includes a pulling magnet, and the prism unit is tilted with respect to a rotation reference axis of the first pivot plate or the second pivot plate while being supported by the housing by attractive force between the pulling magnet and the second pivot plate.
    Type: Application
    Filed: July 28, 2020
    Publication date: August 25, 2022
    Inventor: Sung Guk LEE
  • Publication number: 20220263981
    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: Application
    Filed: July 15, 2020
    Publication date: August 18, 2022
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Sang Ok PARK, Sung Guk LEE, Seong Min LEE
  • Publication number: 20220252959
    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: Application
    Filed: July 15, 2020
    Publication date: August 11, 2022
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Chang Yeon KIM, Sung Guk LEE
  • Patent number: 11381803
    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: April 15, 2019
    Date of Patent: July 5, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sung Guk Lee, Kyoung Ho Yoo
  • Publication number: 20220206308
    Abstract: An embodiment comprises: a housing including a hole; a bobbin disposed in the housing; a first coil disposed in the bobbin; a magnet disposed in the housing; an upper elastic member coupled to an upper portion of the housing; a support member coupled to the upper elastic member through the hole; and a base disposed under the housing, wherein the housing comprises: a first surface to which the upper elastic member is coupled; a second surface which is disposed at a position higher than a bottom surface of the housing and lower than the first surface; and a sloped surface which is adjacent to the second surface and has a predetermined angle with respect to the second surface, and wherein the hole is formed in the area of at least one of the second surface and the sloped surface.
    Type: Application
    Filed: March 16, 2022
    Publication date: June 30, 2022
    Inventors: Sung Guk Lee, Byung Wook Son, Seong Min Lee
  • Publication number: 20220163755
    Abstract: The present embodiment relates to a lens driving device including: a first movable element including a bobbin and a first coil; a second movable element including a housing and a first magnet; a base disposed below the housing; a board including a circuit member having a second coil; an upper elastic member; and a support member, wherein the bobbin includes a first stopper and a second stopper, which overlap the second movable element in an optical axis direction and are spaced apart from each other, the housing includes side parts and corner parts formed between the side parts, a first stopper is disposed on the side of the corner parts, the second stopper is disposed on the side of the side parts, and the distance between the first stopper and the second movable element in the optical axis direction is different from the distance between the second stopper and the second movable element in the optical axis direction.
    Type: Application
    Filed: February 14, 2022
    Publication date: May 26, 2022
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Sang Jun MIN, Tae Jin JUNG, Kyoung Ho YOO, Sung Guk LEE
  • Publication number: 20220155554
    Abstract: Embodiments provide a lens driving unit including a base, a housing supported so as to be movable relative to the base, a magnet located on the housing, a pattern coil part including a pattern coil that is located opposite the magnet, the pattern coil part being located on the base, and a sensor part mounted to the pattern coil part for sensing a position or movement of the housing, and the pattern coil part includes a first layer and a second layer stacked on the first layer, the sensor part being mounted underneath the first layer, and the pattern coil being formed on the second layer. Thereby, manufacturing costs may be reduced owing to a reduction in the number of elements, processes, and process management points.
    Type: Application
    Filed: February 4, 2022
    Publication date: May 19, 2022
    Inventors: Tae Bong Park, Sung Guk Lee
  • Patent number: 11327333
    Abstract: An embodiment comprises: a housing including a hole; a bobbin disposed in the housing; a first coil disposed in the bobbin; a magnet disposed in the housing; an upper elastic member coupled to an upper portion of the housing; a support member coupled to the upper elastic member through the hole; and a base disposed under the housing, wherein the housing comprises: a first surface to which the upper elastic member is coupled; a second surface which is disposed at a position higher than a bottom surface of the housing and lower than the first surface; and a sloped surface which is adjacent to the second surface and has a predetermined angle with respect to the second surface, and wherein the hole is formed in the area of at least one of the second surface and the sloped surface.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: May 10, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sung Guk Lee, Byung Wook Son, Seong Min Lee
  • Publication number: 20220099918
    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: December 13, 2021
    Publication date: March 31, 2022
    Inventor: Sung Guk LEE
  • Patent number: 11275229
    Abstract: The present embodiment relates to a lens driving device including: a first movable element including a bobbin and a first coil; a second movable element including a housing and a first magnet; a base disposed below the housing; a board including a circuit member having a second coil; an upper elastic member; and a support member, wherein the bobbin includes a first stopper and a second stopper, which overlap the second movable element in an optical axis direction and are spaced apart from each other, the housing includes side parts and corner parts formed between the side parts, a first stopper is disposed on the side of the corner parts, the second stopper is disposed on the side of the side parts, and the distance between the first stopper and the second movable element in the optical axis direction is different from the distance between the second stopper and the second movable element in the optical axis direction.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: March 15, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Jun Min, Tae Jin Jung, Kyoung Ho Yoo, Sung Guk Lee
  • Patent number: 11275228
    Abstract: Embodiments provide a lens driving unit including a base, a housing supported so as to be movable relative to the base, a magnet located on the housing, a pattern coil part including a pattern coil that is located opposite the magnet, the pattern coil part being located on the base, and a sensor part mounted to the pattern coil part for sensing a position or movement of the housing, and the pattern coil part includes a first layer and a second layer stacked on the first layer, the sensor part being mounted underneath the first layer, and the pattern coil being formed on the second layer. Thereby, manufacturing costs may be reduced owing to a reduction in the number of elements, processes, and process management points.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: March 15, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Tae Bong Park, Sung Guk Lee
  • Publication number: 20220066233
    Abstract: A lens driving device according to an embodiment comprises: a bobbin wherein at least one lens is installed inside thereof and a first coil is installed on the outer circumferential surface thereof; a first magnet arranged around the bobbin so as to be opposite to the first coil; a housing for supporting the first magnet; upper and lower elastic members coupled with the bobbin and the housing; a first sensor for sensing displacement of the bobbin in the first direction; a second magnet arranged so as to be opposite to the first sensor; a base arranged to be spaced apart from the housing by a certain distance; a second coil arranged so as to be opposite to the first magnet; a circuit board whereon the second coil is installed; a plurality of support members for supporting the housing so as to be movable in the second and third directions which are orthogonal to the first direction with respect to the base and for connecting at least one of the upper and lower elastic members to the circuit board; and a second
    Type: Application
    Filed: November 10, 2021
    Publication date: March 3, 2022
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Tae Jin JUNG, Sang Jun MIN, Sung Guk LEE