Patents by Inventor Nam Ki Park

Nam Ki 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: 20200396358
    Abstract: A camera module includes a housing, a rotation holder including a reflection member, and supported on an inner wall of the housing such that the reflection member is rotatable about a first axis, perpendicular to an optical axis and parallel to a bottom of the housing, a magnet provided on a side surface of the rotation holder, parallel to an optical axis direction, and a first position detection sensor provided in the housing to face the magnet and configured to sense movement of the rotation holder in a second axis direction, perpendicular to the optical axis and the first axis, wherein the magnet is disposed to be biased in a direction, opposite to the inner wall of the housing on which the rotation holder is supported in the optical axis direction.
    Type: Application
    Filed: May 8, 2020
    Publication date: December 17, 2020
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Nam Ki PARK, Young Hwan KWON, Young Bok YOON, Hong Joo LEE
  • Patent number: 10866430
    Abstract: An optical image stabilizing (OIS) module and a camera module are provided. The OIS module includes a driving holder provided on a bottom surface of a housing, a driving frame comprising a reflection member and supported on an inner wall of the driving holder, a driving part configured to provide a driving force to move the driving holder and the driving frame, wherein the driving holder is configured to move in one or more of a linear direction and a rotational direction on the bottom surface of the housing to move the reflection member in a first axial direction, perpendicular to an optical axis, and the driving frame is configured to move in one or more of the linear direction and the rotational direction on the inner wall of the driving holder to move the reflection member in a second axial direction, perpendicular to the optical axis.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: December 15, 2020
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae Kyung Kim, Nam Ki Park, Ta Kyoung Lee, Bong Won Jeong, Young Bok Yoon
  • Publication number: 20200363626
    Abstract: A reflecting module includes: a housing; a rotation holder supported by the housing, and including an inclined seating portion; and a reflective member disposed on the inclined seating portion. The rotation holder is rotatable with respect to a first axis perpendicular to an optical axis of the housing, and with respect to a second axis perpendicular to the optical axis and the first axis. The first and second axes cross an inside of a rectangular parallelepiped having a surface coinciding with a surface of the reflective member, and the reflective member interfaces with the seating portion along a diagonal plane within the parallelepiped.
    Type: Application
    Filed: March 5, 2020
    Publication date: November 19, 2020
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Bo Sung SEO, Bong Won JEONG, Nam Ki PARK, Young Bok YOON
  • Publication number: 20200348479
    Abstract: A camera module includes a housing; a plurality of movable lens modules disposed in an internal space of the housing and configured to be movable in an optical axis direction, each of the plurality of movable lens modules comprising at least one lens; and a stopper configured to prevent contact between at least two of the plurality of movable lens modules, wherein the stopper includes a frame mounted on the housing; an extension portion extending from the frame into the internal space of the housing to face a side of one movable lens module of the plurality of movable lens modules in the optical axis direction; and a damping member disposed on the extension portion to face the side of the one movable lens module in the optical axis direction.
    Type: Application
    Filed: March 18, 2020
    Publication date: November 5, 2020
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Young Hwan KWON, Kum Kyung LEE, Nam Ki PARK, Ta Kyoung LEE, Jung Seok LEE, Young Bok YOON, Dong Yeon SHIN
  • Publication number: 20200351421
    Abstract: A camera module includes a housing; a lens module provided in an internal space of the housing to be movable in an optical axis direction, and including at least one lens therein; a magnet disposed in the lens module; and position detection sensors to detect a position of the magnet. One or more of the position detection sensors are disposed to face a first polarity of the magnet and one or more of the position detection sensors are disposed to face a second polarity of the magnet different than the first polarity.
    Type: Application
    Filed: April 7, 2020
    Publication date: November 5, 2020
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Nam Ki PARK, Young Hwan KWON, Young Bok YOON, Dong Yeon SHIN, Kum Kyung LEE, Ta Kyoung LEE, Jung Seok LEE
  • Publication number: 20200310079
    Abstract: A camera module includes: a magnet disposed on a lens module; a bearing member disposed in a ball guide portion formed between the lens module and a housing that accommodates the lens module; a coil disposed in the housing to face the magnet; and a yoke member disposed on the housing to interact with the magnet to generate a biased magnetic force.
    Type: Application
    Filed: March 19, 2020
    Publication date: October 1, 2020
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Nam Ki PARK, Soo Cheol LIM, Byung Woo KANG, Sung Taek OH, Young Bok YOON, Bo Sung SEO, Oh Byoung KWON, Jun Sup SHIN
  • Publication number: 20200257132
    Abstract: A reflecting module for optical image stabilization (OIS) includes a housing; a rotation holder provided in the housing and comprising a reflecting member; a rotation plate provided in the housing between an inner wall of the housing and the rotation holder so that the rotation holder is supported by the inner wall of the housing via the rotation plate; and a driving part configured to apply a driving force to the rotation holder to move the rotation holder.
    Type: Application
    Filed: April 29, 2020
    Publication date: August 13, 2020
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ah Hyeon IM, Bong Won JEONG, Nam Ki PARK, Ta Kyoung LEE
  • Patent number: 10698174
    Abstract: A sensing unit of a camera module includes a detection target provided on a side surface of a lens module, one or more sensing coils disposed to face the detection target, and a calculator. The calculator may determine a displacement of the detection target translated in any of an optical axis direction, a first direction perpendicular to the optical axis direction, and a second direction perpendicular to the optical axis direction, based on inductances of the one or more sensing coils.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: June 30, 2020
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hong Joo Lee, Nam Ki Park, Je Hyun Bang, Young Bok Yoon, Dong Yeon Shin
  • Patent number: 10678062
    Abstract: A reflecting module for optical image stabilization (OIS) includes a housing; a rotation holder provided in the housing and comprising a reflecting member; a rotation plate provided in the housing between an inner wall of the housing and the rotation holder so that the rotation holder is supported by the inner wall of the housing via the rotation plate; and a driving part configured to apply a driving force to the rotation holder to move the rotation holder.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: June 9, 2020
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ah Hyeon Im, Bong Won Jeong, Nam Ki Park, Ta Kyoung Lee
  • Patent number: 10594910
    Abstract: A camera module includes a first position sensor configured to detect a position of a lens barrel in a first direction and including a 1-1-th sensing coil and a 1-2-th sensing coil having respective inductances that change as the lens barrel moves in the first direction; and a second position sensor including a second sensing coil having an inductance that changes as the lens barrel moves in a second direction, and a third sensing coil having an inductance that changes as the lens barrel moves in a third direction, wherein the second position sensor is configured to detect a position of the lens barrel in the second direction and a position of the lens barrel in the third direction by adding or subtracting a reference inductance to or from the inductance of the second sensing coil and the inductance of the third sensing coil.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: March 17, 2020
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hong Joo Lee, Nam Ki Park, Young Bok Yoon
  • Publication number: 20200084308
    Abstract: A camera module includes a lens module including lenses and a reflecting module disposed in front of the lens module. The reflecting module is configured to change a path of light to direct the light toward the lens module. The reflecting module includes a holder in which a reflecting member configured to change the path of the light is mounted and a first housing supporting the holder. The holder is configured to slide with respect to the first housing to enable rotation of the reflecting member with respect to a first axis and a second axis.
    Type: Application
    Filed: November 6, 2019
    Publication date: March 12, 2020
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Young Bok YOON, Nam Ki PARK, Bong Won JEONG, Sang Ho SEO, Jae Kyung KIM
  • Publication number: 20200050083
    Abstract: A camera module includes a housing accommodating a lens module, a driving unit including a magnet disposed on the lens module and a coil disposed to face the magnet, a yoke generating attractive force with the magnet, a first ball member accommodated in a first receiving space disposed between the lens module and the housing, and pressed by the attractive force, and a second ball member accommodated in a second receiving space disposed between the lens module and the housing, and pressed by the attractive force. A length of the first receiving space in an optical axis direction is different from a length of the second receiving space in the optical axis direction.
    Type: Application
    Filed: March 27, 2019
    Publication date: February 13, 2020
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seung Hyeon JEONG, Nam Ki PARK, Yeun Ho JUNG, Young Bok YOON, Sung Hoon KIM, Yoo Chang KIM, Jae Hyuk KIM
  • Patent number: 10516773
    Abstract: A camera module includes a lens module including lenses and a reflecting module disposed in front of the lens module. The reflecting module is configured to change a path of light to direct the light toward the lens module. The reflecting module includes a holder in which a reflecting member configured to change the path of the light is mounted and a first housing supporting the holder. The holder is configured to slide with respect to the first housing to enable rotation of the reflecting member with respect to a first axis and a second axis.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: December 24, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Young Bok Yoon, Nam Ki Park, Bong Won Jeong, Sang Ho Seo, Jae Kyung Kim
  • Publication number: 20190273847
    Abstract: A camera module includes a first position sensor configured to detect a position of a lens barrel in a first direction and including a 1-1-th sensing coil and a 1-2-th sensing coil having respective inductances that change as the lens barrel moves in the first direction; and a second position sensor including a second sensing coil having an inductance that changes as the lens barrel moves in a second direction, and a third sensing coil having an inductance that changes as the lens barrel moves in a third direction, wherein the second position sensor is configured to detect a position of the lens barrel in the second direction and a position of the lens barrel in the third direction by adding or subtracting a reference inductance to or from the inductance of the second sensing coil and the inductance of the third sensing coil.
    Type: Application
    Filed: October 12, 2018
    Publication date: September 5, 2019
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hong Joo LEE, Nam Ki PARK, Young Bok YOON
  • Publication number: 20190129197
    Abstract: An optical image stabilizing (OIS) module and a camera module are provided. The OIS module includes a driving holder provided on a bottom surface of a housing, a driving frame comprising a reflection member and supported on an inner wall of the driving holder, a driving part configured to provide a driving force to move the driving holder and the driving frame, wherein the driving holder is configured to move in one or more of a linear direction and a rotational direction on the bottom surface of the housing to move the reflection member in a first axial direction, perpendicular to an optical axis, and the driving frame is configured to move in one or more of the linear direction and the rotational direction on the inner wall of the driving holder to move the reflection member in a second axial direction, perpendicular to the optical axis.
    Type: Application
    Filed: August 30, 2018
    Publication date: May 2, 2019
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Kyung KIM, Nam Ki PARK, Ta Kyoung LEE, Bong Won JEONG, Young Bok YOON
  • Publication number: 20180299644
    Abstract: A sensing unit of a camera module includes a detection target provided on a side surface of a lens module, one or more sensing coils disposed to face the detection target, and a calculator. The calculator may determine a displacement of the detection target translated in any of an optical axis direction, a first direction perpendicular to the optical axis direction, and a second direction perpendicular to the optical axis direction, based on inductances of the one or more sensing coils.
    Type: Application
    Filed: March 7, 2018
    Publication date: October 18, 2018
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hong Joo LEE, Nam Ki PARK, Je Hyun BANG, Young Bok YOON, Dong Yeon SHIN
  • Publication number: 20180224665
    Abstract: A reflecting module for optical image stabilization (OIS) includes a housing; a rotation holder provided in the housing and comprising a reflecting member; a rotation plate provided in the housing between an inner wall of the housing and the rotation holder so that the rotation holder is supported by the inner wall of the housing via the rotation plate; and a driving part configured to apply a driving force to the rotation holder to move the rotation holder.
    Type: Application
    Filed: December 26, 2017
    Publication date: August 9, 2018
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ah Hyeon IM, Bong Won JEONG, Nam Ki PARK, Ta Kyoung LEE
  • Publication number: 20180109660
    Abstract: A camera module includes a lens module including lenses and a reflecting module disposed in front of the lens module. The reflecting module is configured to change a path of light to direct the light toward the lens module. The reflecting module includes a holder in which a reflecting member configured to change the path of the light is mounted and a first housing supporting the holder. The holder is configured to slide with respect to the first housing to enable rotation of the reflecting member with respect to a first axis and a second axis.
    Type: Application
    Filed: August 3, 2017
    Publication date: April 19, 2018
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Young Bok YOON, Nam Ki PARK, Bong Won JEONG, Sang Ho SEO, Jae Kyung KIM
  • Publication number: 20180095341
    Abstract: An actuator includes a magnet, a driving coil facing the magnet, a driver, and a position calculation processor. The driver is configured to move the magnet in at least one of an optical axis direction and a direction perpendicular to the optical axis by applying a driving signal to the driving coil. The position calculation processor includes sensing coils, and is configured to calculate a position of the magnet according to inductance levels of an inductor of the sensing coils. The inductance levels vary according to movements of the magnet.
    Type: Application
    Filed: September 7, 2017
    Publication date: April 5, 2018
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hong Joo LEE, Dong Yeon SHIN, Nam Ki PARK, Shin Young CHEONG, Byung Gi AHN, Hoon HEO, Je Hyun BANG, Yun Tae LEE, Ick Chan SHIM, Young Bok YOON
  • Publication number: 20150137645
    Abstract: A spindle motor may include: a sleeve rotatably supporting a shaft; a rotor coupled to the shaft and rotating together therewith; and a base member fixedly coupled to the sleeve, wherein the base member includes a plurality of penetration holes formed therein so as to penetrate therethrough, and a magnetic material is inserted into at least one of the plurality of penetration holes, and non-magnetic materials are inserted into the remaining penetration holes.
    Type: Application
    Filed: November 18, 2014
    Publication date: May 21, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Nam Ki PARK