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).

  • Patent number: 10816751
    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: January 3, 2019
    Date of Patent: October 27, 2020
    Assignee: LG INNOTEK, CO., LTD.
    Inventors: Sang Ok Park, Hyun Rae Cho, Seong Min Lee, Jun Taek Lee
  • Publication number: 20200333625
    Abstract: A lens moving apparatus includes a bobbin adapted to move upward and downward in a first direction, a housing in which the bobbin is accommodated and which is movable upward and downward in the first direction, a cover member accommodating the bobbin and the housing, and a base to which a lower portion of the cover member is coupled, wherein the cover member has an opening formed in an upper face thereof, and is provided at an area thereof surrounding the opening with a first stopper for limiting a distance by which the bobbin moves upward.
    Type: Application
    Filed: July 6, 2020
    Publication date: October 22, 2020
    Inventors: Sang Ok PARK, Sang Jun MIN
  • Publication number: 20200333551
    Abstract: Disclosed is a motor for driving lenses.
    Type: Application
    Filed: July 6, 2020
    Publication date: October 22, 2020
    Inventors: Sang Ok PARK, Sang Hee LEE
  • Publication number: 20200314307
    Abstract: A camera module includes a PCB (Printed Circuit Board) installed with an image sensor, a base mounted on the PCB, and a bobbin reciprocatingly mounted above the base. A bottom elastic member is fixed to the base to support the bobbin, and a terminal is installed at the base, one end of which is conductively connected to the PCB and the other end of which is conductively connected to the bottom elastic member at a solder part. A solder cut-off part is formed at the base to cut off movement of overflowing solder from the solder part.
    Type: Application
    Filed: June 12, 2020
    Publication date: October 1, 2020
    Inventors: Sang Ok PARK, Seong Min LEE, Jun Taek LEE, Byung Wook SON
  • Publication number: 20200301097
    Abstract: A lens driving device is provided, including: a cover member; a bobbin installed with at least one lens and having a coil unit arranged on an outer circumferential surface of the bobbin; a magnet arranged at a positon corresponding to that of the coil unit; first and second elastic members, where one end of each of the first and second elastic members may be respectively coupled to an upper surface and a lower surface of the bobbin and supporting movement of the bobbin in an optical axis direction; a detection unit configured to detect movement of the bobbin in a direction parallel to the optical axis direction; a damping member arranged at a connecting portion between the bobbin and the first elastic member; and a support unit provided at at least one of the bobbin and the first elastic member and maintaining an arranged position of the damping member.
    Type: Application
    Filed: June 8, 2020
    Publication date: September 24, 2020
    Inventors: Sang Ok PARK, Seong Min LEE, Jun Taek LEE, Byung Wook SON, Sang Jun MIN, Kyoung Ho YOO
  • Publication number: 20200292781
    Abstract: The present embodiments relates to a lens driving device comprising: a housing; a bobbin disposed in the housing; a coil disposed on the bobbin; a first magnet which is disposed on the housing and faces the coil; a second magnet disposed on the bobbin; and a sensor which is disposed on the housing and faces the second sensor, wherein the sensor comprises an upper surface, a lower surface disposed opposite the upper surface, an inner surface facing the second magnet, an outer surface disposed opposite the inner surface, and both lateral surfaces connecting the inner surface with the outer surface, the upper surface and the lower surface of the sensor are fixed to the housing, and one of the side surfaces of the sensor is opened.
    Type: Application
    Filed: April 17, 2020
    Publication date: September 17, 2020
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Jung Cheol KIM, Jin Suk HAN, Sang Ok PARK, Tae Bong PARK, Seung Taek SHIN
  • Publication number: 20200285020
    Abstract: Disclosed is a lens driving apparatus. The lens driving apparatus includes a base formed at a center thereof with a first opening; a housing coupled with the base and having a second opening corresponding to the first opening; a yoke installed on the base and including a horizontal plate having a third opening corresponding to the first opening and a vertical plate protruding upward from the horizontal plate; a bobbin movably installed in the yoke and coupled with a lens module; a coil fixedly disposed around the bobbin; a plurality of magnets provided at the vertical plate of the yoke to face the coil; and a spring installed on at least one of upper and lower portions of the yoke to return the bobbin, which has moved up due to interaction between the magnet and the coil, to its initial position.
    Type: Application
    Filed: May 21, 2020
    Publication date: September 10, 2020
    Inventors: Sang Ok Park, Sang Jun Min, Sang Hee Lee
  • Patent number: 10761339
    Abstract: A lens moving apparatus includes a bobbin including a first coil disposed therearound, a first magnet disposed to face the first coil, a housing for supporting the first magnet, upper and lower elastic members each coupled to both the bobbin and the housing, a base disposed to be spaced apart from the housing by a predetermined distance, a second coil disposed to face the first magnet, a printed circuit board on which the second coil is mounted, a plurality of support members, which support the housing such that the housing is movable in second and/or third directions and which connect at least one of the upper and lower elastic members to the printed circuit board, and a conductive member for conductively connecting the upper and lower elastic members.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: September 1, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Sang Jun Min
  • Publication number: 20200271891
    Abstract: A lens moving apparatus including a housing; a bobbin disposed in the housing; a coil disposed on the bobbin; a magnet disposed on the housing to correspond to the coil; an upper elastic member coupled to an upper portion of the bobbin and an upper portion of the housing; and a damper coupled to the first elastic member and the housing.
    Type: Application
    Filed: May 13, 2020
    Publication date: August 27, 2020
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Jun Taek LEE, Byung Wook SON, Sang Ok PARK, Seong Min LEE
  • Patent number: 10746955
    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: Grant
    Filed: July 25, 2016
    Date of Patent: August 18, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Sang Jun Min, Kyoung Ho Yoo, Hyune O Yoo
  • Patent number: 10746953
    Abstract: Disclosed is a motor for driving lenses.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: August 18, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Sang Hee Lee
  • Patent number: 10739610
    Abstract: A lens moving apparatus includes a bobbin adapted to move upward and downward in a first direction, a housing in which the bobbin is accommodated and which is movable upward and downward in the first direction, a cover member accommodating the bobbin and the housing, and a base to which a lower portion of the cover member is coupled, wherein the cover member has an opening formed in an upper face thereof, and is provided at an area thereof surrounding the opening with a first stopper for limiting a distance by which the bobbin moves upward.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: August 11, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Sang Jun Min
  • Publication number: 20200241238
    Abstract: An embodiment comprises: a housing; a bobbin which is placed inside the housing and moves along an optical axis; a coil which is placed on the bobbin and to which a driving signal and a sensing signal are provided; magnets which are placed on the housing; and a position sensor which is placed on the housing. The position sensor senses the position of the bobbin by means of a magnetic field generated by means of the coil. The magnets comprise a first magnet and a second magnet. The position sensor is placed adjacent to the first magnet and/or the second magnet. The position sensor and the first magnet and/or the second magnet do not overlap in the direction from the position sensor to the optical axis.
    Type: Application
    Filed: September 21, 2018
    Publication date: July 30, 2020
    Applicant: LG INNOTEK CO., LTD.
    Inventor: Sang Ok PARK
  • Publication number: 20200233177
    Abstract: A lens driving device is provided, the lens driving device includes: a housing; a bobbin disposed inside of the housing; a support member coupled to the bobbin and the housing; and a sensor sensing a position of at least one of the bobbin and the housing, wherein the support member may include a first support unit, and a second support unit disposed not parallel to the first support unit, wherein the sensor may be disposed more adjacent to the first support unit than to the second support unit, and wherein an elastic modulus of the first support unit may be lower than an elastic modulus of the second support unit.
    Type: Application
    Filed: March 23, 2020
    Publication date: July 23, 2020
    Inventors: Sang Ok PARK, Sang Jun MIN, Jun Taek LEE
  • Patent number: 10721383
    Abstract: A camera module includes a PCB (Printed Circuit Board) installed with an image sensor, a base mounted on the PCB, and a bobbin reciprocatingly mounted above the base. A bottom elastic member is fixed to the base to support the bobbin, and a terminal is installed at the base, one end of which is conductively connected to the PCB and the other end of which is conductively connected to the bottom elastic member at a solder part. A solder cut-off part is formed at the base to cut off movement of overflowing solder from the solder part.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: July 21, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Seong Min Lee, Jun Taek Lee, Byung Wook Son
  • Patent number: 10712530
    Abstract: A lens driving device is provided, including: a cover member; a bobbin installed with at least one lens and having a coil unit arranged on an outer circumferential surface of the bobbin; a magnet arranged at a position corresponding to that of the coil unit; first and second elastic members, where one end of each of the first and second elastic members may be respectively coupled to an upper surface and a lower surface of the bobbin and supporting movement of the bobbin in an optical axis direction; a detection unit configured to detect movement of the bobbin in a direction parallel to the optical axis direction; a damping member arranged at a connecting portion between the bobbin and the first elastic member; and a support unit provided at at least one of the bobbin and the first elastic member and maintaining an arranged position of the damping member.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: July 14, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Seong Min Lee, Jun Taek Lee, Byung Wook Son, Sang Jun Min, Kyoung Ho Yoo
  • Publication number: 20200218128
    Abstract: A VCM is disclosed, the VCM including a rotor having a first driving unit and arranged therein with a lens, a stator having a second driving unit wrapping the first driving unit and being opposite to the first driving unit, a base supporting the stator and having an opening formed at a position corresponding to that of the lens, a connection terminal including a pair of first and second connection terminals arranged at an upper surface of the base, and an elastic member including a first elastic member coupled to the rotor and electrically connected the first connection terminal and a second elastic member coupled to the rotor and electrically connected the second connection terminal.
    Type: Application
    Filed: March 18, 2020
    Publication date: July 9, 2020
    Inventors: Seong Min LEE, Sang Ok PARK, Jun Taek LEE
  • Patent number: 10698173
    Abstract: Disclosed is a lens driving apparatus. The lens driving apparatus includes a base formed at a center thereof with a first opening; a housing coupled with the base and having a second opening corresponding to the first opening; a yoke installed on the base and including a horizontal plate having a third opening corresponding to the first opening and a vertical plate protruding upward from the horizontal plate; a bobbin movably installed in the yoke and coupled with a lens module; a coil fixedly disposed around the bobbin; a plurality of magnets provided at the vertical plate of the yoke to face the coil; and a spring installed on at least one of upper and lower portions of the yoke to return the bobbin, which has moved up due to interaction between the magnet and the coil, to its initial position.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: June 30, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Sang Jun Min, Sang Hee Lee
  • Publication number: 20200200994
    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 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 o
    Type: Application
    Filed: May 18, 2018
    Publication date: June 25, 2020
    Inventor: Sang Ok PARK
  • Publication number: 20200192057
    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: February 20, 2020
    Publication date: June 18, 2020
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Seong Min LEE, Sang Ok PARK, Hyune O YOO, Byung Wook SON, Jun Taek LEE