Patents by Inventor Sang-Ok Park

Sang-Ok Park 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: 20220326474
    Abstract: An embodiment comprises: a housing comprising side parts, a first corner part, a second corner part, a third corner part, and a fourth corner part, in which each of the first corner part, the second corner part, the third corner part and the fourth corner is disposed between two adjacent side parts; a bobbin disposed in the housing; a first coil disposed on an outer surface of the bobbin; first magnets disposed on the side parts of the housing; a first circuit board disposed on the first corner part and comprising a first pad, a second pad, a third pad, a fourth pad, a fifth pad and a sixth pad; a first location sensor disposed on the first circuit board and electrically connected to the first pad, the second pad, the third pad, the fourth pad, the fifth pad and the sixth pad; first, second, third and fourth upper springs disposed apart from each other on the housing; and first and second lower springs coupled to a lower portion of the housing, electrically connected with the first coil, and coupled to the fi
    Type: Application
    Filed: June 29, 2022
    Publication date: October 13, 2022
    Inventors: Sang Ok Park, Sang Jun Min, Byung Wook Son
  • Publication number: 20220329711
    Abstract: A camera module according to an exemplary embodiment of the present disclosure is proposed, the camera module including a PCB (Printed Circuit Board) mounted with an image sensor, a housing member arranged at an upper surface of the PCB, a bobbin movably positioned at an inner side of the housing member, an upper elastic member connected to an upper surface of the housing member and to an upper surface of the bobbin, and a space forming part formed at one side of the housing member to provide a moving space to the upper elastic member when the bobbin makes a relatively vertical movement to the housing member.
    Type: Application
    Filed: June 23, 2022
    Publication date: October 13, 2022
    Inventors: Sang Ok Park, Seong Min Lee, Jun Taek Lee
  • Publication number: 20220311914
    Abstract: An embodiment comprises: a substrate; a housing disposed on the substrate; a bobbin disposed on the substrate; a first elastic member coupled to the housing and the bobbin; a second elastic member disposed between the first elastic member and the substrate; and a control unit for determining a movement distance of the bobbin in an optical axis direction in consideration of displacement of the bobbin due to a change in orientation of the housing.
    Type: Application
    Filed: June 30, 2020
    Publication date: September 29, 2022
    Applicant: LG INNOTEK CO., LTD.
    Inventor: Sang Ok PARK
  • Publication number: 20220299729
    Abstract: The present embodiment relates to a camera module comprising a first lens driving device and a second lens driving device, wherein a first lateral surface of the first lens driving device faces a second lateral surface of the second lens driving device, a first housing comprises a first lateral part corresponding to the first lateral surface of the first lens driving device and a second lateral part disposed at the opposite side of the first lateral part, a first magnet comprises a first magnet unit disposed in in the first lateral part and a second magnet unit disposed in the second lateral part, each of the first magnet unit and the second magnet unit comprises an inner surface facing a first coil, an outer surface disposed at an opposite side of the inner surface, and both lateral surfaces connecting the inner surface and the outer surface, and the distance between the both lateral surfaces of the first magnet unit is shorter than the distance between the both lateral surfaces of the second magnet unit.
    Type: Application
    Filed: June 6, 2022
    Publication date: September 22, 2022
    Inventor: Sang Ok PARK
  • Patent number: 11442286
    Abstract: Embodiments provide a lens moving apparatus including a housing for supporting a first magnet, a bobbin including a coil disposed on an outer surface thereof and inside the first magnet so as to move in the housing in a first direction parallel to an optical axis by electromagnetic interaction between the first magnet and the coil, and upper and lower elastic members, each of which is provided at the bobbin and the housing and includes an inner frame coupled to the bobbin and an outer frame coupled to the housing, wherein at least one of the upper and lower elastic members is constituted by a printed circuit board.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: September 13, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Seong Min Lee, Jun Taek Lee
  • Publication number: 20220283400
    Abstract: An exemplary embodiment of the present invention a rotor including a lens and formed with a first driving unit, a stator formed with a second driving unit driving the rotor in response to electromagnetic interaction with the first driving unit, and a base on which the stator is fixed, wherein the rotor is brought into contact with the base, in a case the lens is in a UP posture, and the rotor is distanced from the base, in a case the lens is in a DOWN posture.
    Type: Application
    Filed: May 24, 2022
    Publication date: September 8, 2022
    Inventors: Sang Ok Park, Hyun Rae Cho, Seong Min Lee, Jun Taek Lee
  • Publication number: 20220276500
    Abstract: An embodiment includes a bobbin provided at an outer circumferential surface thereof with a first coil, a first position sensor disposed on the outer circumferential surface of the bobbin and spaced apart from the first coil, a first magnet disposed so as to be opposite to the first position sensor, a second magnet disposed so as to be opposite to the first coil, the second magnet being configured to move the bobbin in a direction parallel to an optical axis via electromagnetic interaction with the first coil, a housing configured to support the first magnet and the second magnet; and upper and lower elastic members coupled to the bobbin and the housing, wherein the first position sensor is moved along with the bobbin.
    Type: Application
    Filed: May 17, 2022
    Publication date: September 1, 2022
    Inventors: Sang Ok Park, Sang Jun Min, Tae Jin Jung, Hyune O Yoo
  • Publication number: 20220269036
    Abstract: An embodiment includes: a housing including an upper surface, a lower surface, an inner surface, and an outer surface located at the side opposite to the inner surface; a bobbin accommodated in the housing; a first coil disposed at an outer surface of the bobbin; a first magnet disposed at the outer surface of the housing; a second magnet disposed in the housing so as to be spaced apart from the first magnet; and a first position sensor disposed at the outer surface of the bobbin, wherein a first part of the housing is positioned between the second magnet and the inner surface of the housing.
    Type: Application
    Filed: May 11, 2022
    Publication date: August 25, 2022
    Inventors: Sang Ok Park, Sang Jun Min, Kyoung Ho Yoo, Hyune O. Yoo
  • Publication number: 20220260803
    Abstract: A lens driving device according to an embodiment comprises: a movable unit on which at least one lens is mounted; a first coil and a driving magnet which face and interact with each other such that the movable unit is moved in the optical axis direction of the lens; a position sensor for sensing the position of the movable unit in the optical axis direction or a driver comprising the position sensor; and a positively magnetized magnet arranged to face the position sensor or the driver, wherein the positively magnetized magnet comprises a first side surface, which faces the position sensor and has a first polarity, and a second side surface, which faces the position sensor, which is arranged to be spaced from the first side surface in a direction parallel with the optical axis direction or arranged to abut the first side surface, and which has a second polarity that is the opposite of the first polarity of the first side surface, and the length of the first side surface in the optical axis direction may be equ
    Type: Application
    Filed: May 2, 2022
    Publication date: August 18, 2022
    Inventors: Sang Ok Park, Byung Wook Son, Seong Min Lee, Jun Taek 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: 20220260804
    Abstract: A lens moving apparatus is disclosed. The lens moving apparatus includes a bobbin equipped with at least one lens, a coil and a driving magnet arranged opposite to each other for moving the bobbin in an optical axis direction of the lens through interaction therebetween, a first circuit board for supplying electric current required by the coil, and a cover can and a base coupled to, contacted to, supported at, fixed to, or temporarily fixed to each other for forming a space in which the bobbin, the driving magnet, and the first circuit board are received, wherein the cover can is connected to a second circuit board having an image sensor mounted thereon.
    Type: Application
    Filed: April 26, 2022
    Publication date: August 18, 2022
    Inventors: Sang Ok Park, Seong Min Lee, Jun Taek Lee
  • Patent number: 11415772
    Abstract: A motor for driving lenses is provided. The motor includes a case, a yoke fixed in the case, a magnet fixed in the yoke, a carrier equipped with lenses and installed in the magnet such that the carrier moves up and down within the magnet, a coil coupled with the carrier, in which the coil cooperates with the magnet to move up and down the carrier, a spring unit including first and second springs having arc shapes and being separated from each other while forming a ring shape as a whole a spacer supporting the outer peripheral surface of the spring unit, and a terminal provided on the spacer.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: August 16, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Sang Hee Lee
  • Publication number: 20220252961
    Abstract: A lens driving apparatus according to an embodiment comprises: a housing, a bobbin disposed inside the housing; a coil disposed around the bobbin; a magnet disposed in the housing; an elastic member coupled to the housing and the bobbin; and a damper disposed on the elastic member and in/on the housing, wherein: the elastic member comprises an inner part coupled to the bobbin, an outer part coupled to the housing, and a connection part for coupling the inner part and the outer part together; the connection part is disposed on first to fourth quadrants of a plane consisting of a first axis and a second axis, and is symmetrical with reference to the first axis; the damper is disposed in the connection part; the plane comprises a first side, a second side, a third side, and a fourth side, the first side and the second side facing each other in a direction parallel to the first axis and the third side and the fourth side facing each other in a direction parallel to the second axis; and the damper is disposed to b
    Type: Application
    Filed: July 29, 2020
    Publication date: August 11, 2022
    Inventors: Sang Ok Park, Young Ho Kim, Seong Min Lee
  • Patent number: 11409071
    Abstract: An embodiment comprises: a housing comprising side parts, a first corner part, a second corner part, a third corner part, and a fourth corner part, in which each of the first corner part, the second corner part, the third corner part and the fourth corner is disposed between two adjacent side parts; a bobbin disposed in the housing; a first coil disposed on an outer surface of the bobbin; first magnets disposed on the side parts of the housing; a first circuit board disposed on the first corner part and comprising a first pad, a second pad, a third pad, a fourth pad, a fifth pad and a sixth pad; a first location sensor disposed on the first circuit board and electrically connected to the first pad, the second pad, the third pad, the fourth pad, the fifth pad and the sixth pad; first, second, third and fourth upper springs disposed apart from each other on the housing; and first and second lower springs coupled to a lower portion of the housing, electrically connected with the first coil, and coupled to the fi
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: August 9, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Sang Jun Min, Byung Wook Son
  • Patent number: 11405541
    Abstract: A camera module according to an exemplary embodiment of the present disclosure is proposed, the camera module including a PCB (Printed Circuit Board) mounted with an image sensor, a housing member arranged at an upper surface of the PCB, a bobbin movably positioned at an inner side of the housing member, an upper elastic member connected to an upper surface of the housing member and to an upper surface of the bobbin, and a space forming part formed at one side of the housing member to provide a moving space to the upper elastic member when the bobbin makes a relatively vertical movement to the housing member.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: August 2, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Seong Min Lee, Jun Taek Lee
  • Patent number: 11378769
    Abstract: The present embodiment relates to a camera module comprising a first lens driving device and a second lens driving device, wherein a first lateral surface of the first lens driving device faces a second lateral surface of the second lens driving device, a first housing comprises a first lateral part corresponding to the first lateral surface of the first lens driving device and a second lateral part disposed at the opposite side of the first lateral part, a first magnet comprises a first magnet unit disposed in the first lateral part and a second magnet unit disposed in the second lateral part, each of the first magnet unit and the second magnet unit comprises an inner surface facing a first coil, an outer surface disposed at an opposite side of the inner surface, and both lateral surfaces connecting the inner surface and the outer surface, and the distance or the length between the both lateral surfaces of the first magnet unit is shorter than the distance or the length between the both lateral surfaces of t
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: July 5, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Sang Ok Park
  • Publication number: 20220206364
    Abstract: An embodiment comprises: a housing; a bobbin disposed in the housing; a coil coupled to the bobbin; a magnet which is disposed in the housing and faces the coil; a base disposed to be spaced apart from the bobbin; a lower elastic member including a first elastic member, a second elastic member, a third elastic member, and a fourth elastic member, which are coupled to the bobbin and disposed on the base; and a sensing coil which is disposed in the housing and generates an induced voltage by an interaction with the coil, wherein a corner of the base and a corner of the housing form a coupling area where the corners are coupled to each other, and the sensing coil comprises a portion disposed outside the coupling area.
    Type: Application
    Filed: May 11, 2020
    Publication date: June 30, 2022
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Kyung Hwan Kim, Tae Bong Park, Jung Cheol Kim
  • Patent number: 11372194
    Abstract: An exemplary embodiment of the present invention a rotor including a lens and formed with a first driving unit, a stator formed with a second driving unit driving the rotor in response to electromagnetic interaction with the first driving unit, and a base on which the stator is fixed, wherein the rotor is brought into contact with the base, in a case the lens is in a UP posture, and the rotor is distanced from the base, in a case the lens is in a DOWN posture.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: June 28, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Hyun Rae Cho, Seong Min Lee, Jun Taek Lee
  • Publication number: 20220196968
    Abstract: Embodiments provide a lens moving apparatus including housing to support a driving magnet, a bobbin provided at an outer circumferential surface thereof with a coil located inside the driving magnet, the bobbin being moved in a first direction parallel to an optical axis within the housing via electromagnetic interaction between the driving magnet and the coil, a lower elastic member to connect a lower portion of the housing and a lower portion of the bobbin to each other, both ends of the coil being electrically connected to the lower elastic member, the lower elastic member having a first terminal electrically connected to an external power source so as to supply external power to the ends of the coil, and a printed circuit board provided at one side surface of the housing, the printed circuit board having a second terminal electrically connected to the external power source.
    Type: Application
    Filed: March 14, 2022
    Publication date: June 23, 2022
    Inventors: Jun Taek Lee, Sang Ok Park, Byung Wook Son, Seong Min Lee
  • Publication number: 20220187564
    Abstract: A lens moving apparatus can include a housing; a base disposed below the housing; a bobbin disposed inside the housing and configured to move in a first direction along or parallel with an optical axis within the housing; driving magnets disposed on the housing; a coil provided at an outer surface of the bobbin; an elastic member coupled to the bobbin and supporting the bobbin; a sensing magnet coupled to the bobbin; and a position sensor coupled to a printed circuit board, wherein the position sensor is configured to sense a displacement of the sensing magnet in the first direction, in which the bobbin includes a reception recess formed on the outer surface of the bobbin such that at least a part of the reception recess is located at an inside of the coil, the sensing magnet is disposed in the reception recess, and the position sensor is disposed on another side of the housing than sides on which the driving magnets are disposed.
    Type: Application
    Filed: March 3, 2022
    Publication date: June 16, 2022
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Seong Min LEE, Sang Ok PARK, Hyune O YOO, Byung Wook SON, Jun Taek LEE