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).

  • Lens moving apparatus
    Patent number: 10545353
    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: Grant
    Filed: May 13, 2019
    Date of Patent: January 28, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Sang Jun Min, Tae Jin Jung, Hyune O Yoo
  • LENS MOVING APPARATUS, AND CAMERA MODULE AND OPTICAL DEVICE COMPRISING SAME
    Publication number: 20200028997
    Abstract: An embodiment comprises: a housing; a bobbin disposed in the housing; a first coil disposed on the bobbin; a magnet disposed on the housing; a first sensing coil, disposed on the housing, for generating a first induced voltage by interacting with the first coil; a first circuit board connected to the first coil and the first sensing coil; and a first amplifier, disposed on the first circuit board, for amplifying the first induced voltage of the first sensing coil and outputting a first amplified signal.
    Type: Application
    Filed: September 26, 2017
    Publication date: January 23, 2020
    Applicant: LG Innotek Co., Ltd.
    Inventors: Tae Bong PARK, Sang Ok PARK
  • LENS DRIVING APPARATUS, AND CAMERA MODULE AND OPTICAL DEVICE COMPRISING SAME
    Publication number: 20200026026
    Abstract: An embodiment comprises: a housing; a bobbin for mounting a lens, the bobbin being accommodated inside the housing; a first coil disposed on an outer circumferential surface of the bobbin; a magnet disposed in the housing; and a second coil disposed in the housing, wherein the second coil comprises a third coil and a fourth coil, a first signal is applied to the first coil, a second signal is applied to the fourth coil, and an induction voltage is generated in the second coil by a mutual induction operation between the first coil and the second coil.
    Type: Application
    Filed: September 27, 2019
    Publication date: January 23, 2020
    Inventors: SANG OK PARK, BYUNG WOOK SON, SEONG MIN LEE, JUN TAEK LEE, KAP JIN LEE
  • LENS MOVING APPARATUS AND CAMERA MODULE INCLUDING SAME
    Publication number: 20200021181
    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: September 24, 2019
    Publication date: January 16, 2020
    Inventors: Sang Ok PARK, Kyoung Ho YOO, Sung Guk LEE, Seong Min LEE, Jun Taek LEE, Byung Wook SON
  • CAMERA MODULE
    Publication number: 20200021726
    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: August 13, 2019
    Publication date: January 16, 2020
    Inventors: Sang Ok PARK, Seong Min LEE, Jun Taek LEE
  • Lens moving apparatus and camera module and portable terminal including the same
    Patent number: 10531012
    Abstract: Embodiments provide a lens moving apparatus including a housing supporting a magnet, a bobbin having an outer circumferential surface on which a first coil is disposed, the bobbin moving in the housing in a first direction, upper and lower elastic members each connected to both the housing and the bobbin, and a second coil disposed so as to be spaced apart from the first coil in the first direction, wherein the second coil generates induction voltage resulting from inductive interaction with the first coil when the bobbin moves in the first direction.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: January 7, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Sang Ok Park
  • Lens driving unit, camera module and optical apparatus
    Patent number: 10520700
    Abstract: A lens driving device is provided, the lens driving device including: a housing; a bobbin disposed at an inner side of the housing; a first driving part disposed on the bobbin; a second driving part disposed on the housing and facing the first driving part; a first mounting part disposed on the bobbin; a second mounting part disposed on the bobbin and disposed at an opposite side of the first mounting part based on a center of the bobbin; a first magnet disposed on the first mounting part; a sensor part sensing a position of the first magnet; and a second magnet disposed on the second mounting part.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: December 31, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jun Taek Lee, Sang Ok Park, Byung Wook Son, Seong Min Lee
  • LENS MOVING APPARATUS
    Publication number: 20190379809
    Abstract: Embodiments provide a lens moving apparatus including a first magnet, a housing, a bobbin, around which a coil is wound and which moves in a first direction in the housing, an upper elastic member disposed on upper surfaces of the bobbin and the housing, a lower elastic member disposed under lower surfaces of the bobbin and the housing, and a damping member disposed between the upper or lower elastic member and the bobbin.
    Type: Application
    Filed: August 14, 2019
    Publication date: December 12, 2019
    Inventors: Sang Ok PARK, Seong Min LEE, Jun Taek LEE, Byung Wook SON
  • VOICE COIL MOTOR
    Publication number: 20190369463
    Abstract: A VCM is disclosed, the motor including a stator including a first driving unit, a rotor arranged inside the stator, including a second driving unit responding to the first driving unit and mounted therein with a lens, a base fixing the stator, and an elastic member coupled to the rotor to float the rotor from the base in a case a driving signal for driving the first and second driving units is not applied to the first and second driving units.
    Type: Application
    Filed: August 15, 2019
    Publication date: December 5, 2019
    Inventors: Sang Ok PARK, Seong Min LEE
  • Lens moving apparatus, camera module and optical appliance including the same
    Patent number: 10495898
    Abstract: Embodiments provide a lens moving apparatus including a bobbin in which a lens is mounted, a first coil and a magnet configured to electromagnetically interact with each other so as to move the bobbin, a housing configured to accommodate the bobbin therein, an elastic member including an inner frame coupled to the bobbin, an outer frame coupled to the housing, and a frame connection portion configured to connect the inner frame and the outer frame to each other, and a support member connected to the elastic member and configured to support the housing, and the outer frame includes a first coupling portion coupled to the housing, a second coupling portion coupled to the support member, the second coupling portion being spaced apart from the first coupling portion, and a single connection portion configured to connect the first coupling portion and the second coupling portion to each other.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: December 3, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Sang Jun Min
  • Lens driving apparatus, and camera module and optical device comprising same
    Patent number: 10473886
    Abstract: An embodiment comprises: a housing; a bobbin for mounting a lens, the bobbin being accommodated inside the housing; a first coil disposed on an outer circumferential surface of the bobbin; a magnet disposed in the housing; and a second coil disposed in the housing, wherein the second coil comprises a third coil and a fourth coil, a first signal is applied to the first coil, a second signal is applied to the fourth coil, and an induction voltage is generated in the second coil by a mutual induction operation between the first coil and the second coil.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: November 12, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Byung Wook Son, Seong Min Lee, Jun Taek Lee, Kap Jin Lee
  • Lens moving apparatus and camera module including same
    Patent number: 10468959
    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: February 1, 2016
    Date of Patent: November 5, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Kyoung Ho Yoo, Sung Guk Lee, Seong Min Lee, Jun Taek Lee, Byung Wook Son
  • Voice coil motor
    Patent number: 10444600
    Abstract: A VCM is disclosed, the motor including a stator including a first driving unit, a rotor arranged inside the stator, including a second driving unit responding to the first driving unit and mounted therein with a lens, a base fixing the stator, and an elastic member coupled to the rotor to float the rotor from the base in a case a driving signal for driving the first and second driving units is not applied to the first and second driving units.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: October 15, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Seong Min Lee
  • Lens moving apparatus
    Patent number: 10425563
    Abstract: Embodiments provide a lens moving apparatus including a first magnet, a housing, a bobbin, around which a coil is wound and which moves in a first direction in the housing, an upper elastic member disposed on upper surfaces of the bobbin and the housing, a lower elastic member disposed under lower surfaces of the bobbin and the housing, and a damping member disposed between the upper or lower elastic member and the bobbin.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: September 24, 2019
    Assignee: LG Innotek Co., Ltd.
    Inventors: Sang Ok Park, Seong Min Lee, Jun Taek Lee, Byung Wook Son
  • Camera module and voice coil motor comprising a fixing structure for fixing an elastic member
    Patent number: 10419654
    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: July 2, 2018
    Date of Patent: September 17, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Seong Min Lee, Jun Taek Lee
  • LENS MOVING APPARATUS
    Publication number: 20190265506
    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 13, 2019
    Publication date: August 29, 2019
    Inventors: SANG OK PARK, SANG JUN MIN, TAE JIN JUNG, HYUNE O YOO
  • CAMERA MODULE, DUAL CAMERA MODULE, OPTICAL DEVICE, AND METHOD FOR MANUFACTURING DUAL CAMERA MODULE
    Publication number: 20190258141
    Abstract: The present embodiment relates to a dual camera module comprising: a rigid first substrate having a first image sensor arranged thereon; a rigid second substrate spaced apart from the first substrate and having a second image sensor arranged thereon; a third substrate connected to the first substrate and the second substrate; and a flexible connection unit for connecting the first substrate to the second substrate, wherein the first substrate includes a first side surface, the second substrate includes a second side surface facing the first side surface, and the connection unit connects the first side surface of the first substrate to the second side surface of the second substrate.
    Type: Application
    Filed: November 1, 2017
    Publication date: August 22, 2019
    Inventors: SANG OK PARK, TAE YOUNG KIM, HYUN AH OH, YOUN BAEK JEONG
  • LENS MOVING APPARATUS AND CAMERA MODULE INCLUDING THE SAME
    Publication number: 20190235203
    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 2, 2019
    Publication date: August 1, 2019
    Inventors: SANG OK PARK, SEONG MIN LEE, JUN TAEK LEE
  • LENS MOVING APPARATUS, CAMERA MODULE AND OPTICAL APPLIANCE INCLUDING THE SAME
    Publication number: 20190227339
    Abstract: Embodiments provide a lens moving apparatus including a bobbin in which a lens is mounted, a first coil and a magnet configured to electromagnetically interact with each other so as to move the bobbin, a housing configured to accommodate the bobbin therein, an elastic member including an inner frame coupled to the bobbin, an outer frame coupled to the housing, and a frame connection portion configured to connect the inner frame and the outer frame to each other, and a support member connected to the elastic member and configured to support the housing, and the outer frame includes a first coupling portion coupled to the housing, a second coupling portion coupled to the support member, the second coupling portion being spaced apart from the first coupling portion, and a single connection portion configured to connect the first coupling portion and the second coupling portion to each other.
    Type: Application
    Filed: April 3, 2019
    Publication date: July 25, 2019
    Inventors: SANG OK PARK, SANG JUN MIN
  • LENS MOVING APPARATUS AND CAMERA MODULE AND PORTABLE TERMINAL INCLUDING THE SAME
    Publication number: 20190215428
    Abstract: Embodiments provide a lens moving apparatus including a housing supporting a magnet, a bobbin having an outer circumferential surface on which a first coil is disposed, the bobbin moving in the housing in a first direction, upper and lower elastic members each connected to both the housing and the bobbin, and a second coil disposed so as to be spaced apart from the first coil in the first direction, wherein the second coil generates induction voltage resulting from inductive interaction with the first coil when the bobbin moves in the first direction.
    Type: Application
    Filed: March 18, 2019
    Publication date: July 11, 2019
    Inventor: SANG OK PARK