Patents by Inventor Wook Son

Wook Son 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: 20210163059
    Abstract: Disclosed is a steering apparatus including: a mounting housing which is formed on one side of a rack housing and has first threads formed on an inner circumferential surface thereof; a yoke body which is provided inside the mounting housing and supports a rack bar located inside the rack housing; and a pressing member which is provided inside the mounting housing, has second threads formed on an outer circumferential surface thereof, and is coupled to the mounting housing in a state in which the second threads are coupled to the first threads and are separated from the yoke body.
    Type: Application
    Filed: November 30, 2020
    Publication date: June 3, 2021
    Inventor: Chang Wook SON
  • Publication number: 20210140471
    Abstract: Disclosed herein is a rack bush for vehicle steering apparatus, which includes a bush body having an outer peripheral surface that is in contact with an inner surface of a rack housing and an inner peripheral surface that is in contact with a rack bar, the bush body being configured to guide longitudinal movement of the rack bar, the bush body including a large diameter portion and a small diameter portion, a plurality of slits arranged on the bush body in a circumferential direction thereof, and a damper mounted to the bush body and configured to absorb an impact occurring between the rack bar and the bush body.
    Type: Application
    Filed: March 12, 2020
    Publication date: May 13, 2021
    Inventor: Chang Wook SON
  • Patent number: 11005353
    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: September 24, 2019
    Date of Patent: May 11, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Kyoung Ho Yoo, Sung Guk Lee, Seong Min Lee, Jun Taek Lee, Byung Wook Son
  • Patent number: 10995214
    Abstract: The present invention relates to a polycarbonate resin composition and an optical molded article comprising the same. The polycarbonate resin composition according to the present invention is excellent in transmittance and color stability and thus can ensure high transparency, and further can enhance the stability of a polycarbonate resin.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: May 4, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Byoungkue Chun, Un Ko, Young Wook Son, Moo Ho Hong, Hyong Min Bahn, Tae Yun Ko
  • Publication number: 20210055503
    Abstract: One embodiment comprises: a housing; a bobbin, which is arranged inside the housing and is for mounting a lens; first coils arranged around the outer peripheral surface of the bobbin; a first magnet arranged in the housing; a second magnet arranged at the bobbin and spaced from the first coils; and a first position sensor arranged in the housing and sensing the intensity of a magnetic field of the second magnet, wherein the length of the second magnet in the direction of an optical axis is shorter than the length of thereof in the direction perpendicular to the direction of the optical axis.
    Type: Application
    Filed: November 9, 2020
    Publication date: February 25, 2021
    Inventors: Byung Wook Son, Sang Ok Park
  • Publication number: 20210018714
    Abstract: The present embodiment relates to a lens driving apparatus, comprising: a cover member; a housing disposed inside the cover member; a bobbin disposed inside the housing so as to move in a first direction; a first coil disposed on an outer circumferential surface of the bobbin; a first magnet coupled to the housing; an upper elastic member disposed on the upper side of the bobbin and coupled to the bobbin and the housing; a base disposed on a the lower side of the housing and coupled to the cover member; a substrate disposed between the housing and the base and including a circuit member having a second coil disposed to be opposite to the first magnet; and a plurality of support members connected to the upper elastic member and the substrate; wherein each of the plurality of support members is disposed in the proximity of the edge of the upper elastic member, and wherein the support members are connected to the upper elastic member at a position where a length in the x direction and a length in the y direction
    Type: Application
    Filed: September 30, 2020
    Publication date: January 21, 2021
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Sang Ok PARK, Byung Wook SON, Sang Jun MIN, Jun Taek LEE
  • Patent number: 10866383
    Abstract: One embodiment comprises: a housing; a bobbin, which is arranged inside the housing and is for mounting a lens; first coils arranged around the outer peripheral surface of the bobbin; a first magnet arranged in the housing; a second magnet arranged at the bobbin and spaced from the first coils; and a first position sensor arranged in the housing and sensing the intensity of a magnetic field of the second magnet, wherein the length of the second magnet in the direction of an optical axis is shorter than the length of thereof in the direction perpendicular to the direction of the optical axis.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: December 15, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Byung Wook Son, Sang Ok Park
  • Publication number: 20200386266
    Abstract: A rack bush of a steering device for a vehicle may include: a bush body part installed in a rack housing of the steering device for a vehicle so as to cover a rack bar, and configured to guide the rack bar to move in an axial direction; a first uneven part formed in an uneven shape on an outer circumferential surface of the bush body part, and configured to bring the bush body part and the rack housing into line contact with each other; and a position fixing part formed at one end of the bush body part, and configured to prevent the bush body part from moving in the axial direction.
    Type: Application
    Filed: March 12, 2020
    Publication date: December 10, 2020
    Inventor: Chang Wook SON
  • Patent number: 10830980
    Abstract: A lens driving device including a cover member; a housing disposed in the cover member; a bobbin disposed in the housing; a first coil disposed on the bobbin; a first magnet coupled to the housing; an upper elastic member coupled to the bobbin and the housing; a base disposed below the housing and coupled to the cover member; a substrate disposed between the housing and the base and including a circuit member having a second coil disposed to be opposite to the first magnet; and a plurality of support members connecting the upper elastic member and the substrate is provided. The support members are connected to the upper elastic member at a position where a length in the x direction and a length in the y direction are different on the basis of the edge of the upper elastic member.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: November 10, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Byung Wook Son, Sang Jun Min, Jun Taek Lee
  • Publication number: 20200317912
    Abstract: The present invention relates to a polycarbonate resin composition and an optical molded article comprising the same. The polycarbonate resin composition according to the present invention is excellent in transmittance and color stability and thus can ensure high transparency, and further can enhance the stability of a polycarbonate resin.
    Type: Application
    Filed: October 18, 2017
    Publication date: October 8, 2020
    Inventors: Byoungkue CHUN, Un KO, Young Wook SON, Moo Ho HONG, Hyong Min BAHN, Tae Yun KO
  • 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: 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: 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: 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
  • Publication number: 20200166770
    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: June 29, 2018
    Publication date: May 28, 2020
    Inventors: Sung Guk LEE, Byung Wook SON, Seong Min LEE
  • Publication number: 20200165413
    Abstract: Provided are a polycarbonate resin composition comprising a polycarbonate resin, a black colorant, a yellow colorant, and at least one ultraviolet absorber selected from the group consisting of a benzotriazole-based compound, a benzophenone-based compound, and a triazine-based compound, and an optical molded article composed thereof.
    Type: Application
    Filed: September 27, 2018
    Publication date: May 28, 2020
    Inventors: Daehyeon HWANG, Young Wook SON, Byoungkue JEON, Moo Ho HONG
  • Patent number: 10661873
    Abstract: A ship includes: a boil-off gas heat exchanger installed on a downstream of a storage tank and heat-exchanges a compressed boil-off gas (“a first fluid”) by a boil-off gas discharged from the storage tank as a refrigerant, to cool the boil-off gas; a compressor installed on a downstream of the boil-off gas heat exchanger and compresses a part of the boil-off gas discharged from the storage tank; an extra compressor installed on a downstream of the boil-off gas heat exchanger and in parallel with the compressor and compresses the other part of the boil-off gas discharged from the storage tank; a refrigerant heat exchanger which additionally cools the first fluid which is cooled by the boil-off gas heat exchanger; and a refrigerant decompressing device which expands a second fluid, which is sent to the refrigerant heat exchanger, and then sends the second fluid back to the refrigerant heat exchanger.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: May 26, 2020
    Assignee: DAEWOO SHIPBUILDING & MARINE ENGINEERING CO., LTD.
    Inventors: Hyun Jun Shin, Dong Kyu Choi, Young Sik Moon, Su Kyung An, Hyun Min Jang, Jae Wook Son, Joon Chae Lee
  • Patent number: 10663689
    Abstract: A lens moving apparatus includes a housing, a driving magnet, a bobbin with a coil disposed thereon, a first elastic member disposed on the bobbin and the housing and a damper coupled to the first elastic member and the housing. The first elastic member includes an inner frame coupled to the bobbin, an outer frame coupled to the housing, a connector connecting the inner frame and the outer frame, and a damping protrusion protruding from the connector. Further, the housing includes a damping receiving recess coupled to the damping protrusion by the damper.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: May 26, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jun Taek Lee, Byung Wook Son, Sang Ok Park, Seong Min Lee