Patents by Inventor Yoo Chang Kim

Yoo Chang Kim 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: 20230333451
    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: June 26, 2023
    Publication date: October 19, 2023
    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: 11726391
    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: Grant
    Filed: July 6, 2021
    Date of Patent: August 15, 2023
    Assignee: 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: 11586097
    Abstract: A camera module includes a lens barrel, a housing, a shield cover, and a buffer member. The lens barrel incudes a flange portion extending in a direction intersecting an optical axis. The housing is configured to accommodate the lens barrel and has a step portion configured to face a lower portion of the flange portion. The shield cover is coupled to the housing and configured to cover an upper edge of the lens barrel. The buffer member is configured to couple to a groove of the flange portion and protrude in opposing directions from the flange portion to selectively contact the shield cover and the step portion.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: February 21, 2023
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Yoo Chang Kim, Sung Hoon Kim
  • Patent number: 11570345
    Abstract: A camera module includes a housing having a first ball support surface disposed on an inner surface thereof, a driving body movably disposed in the housing and having a second ball support surface disposed on an outer surface thereof, and a plurality of ball bearings disposed between the first ball support surface of the housing and the second ball support surface of the driving body. A distance between the first ball support surface and the second ball support surface along a direction perpendicular to an optical axis direction is different at respective first end portions of the first ball support surface and the second ball support surface in the optical axis direction than at respective second end portions of the first ball support surface and the second ball support surface in the optical axis direction.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: January 31, 2023
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae Man Park, Byung Woo Kang, Soo Cheol Lim, Jung Seok Lee, Jae Hyuk Lee, Byung Gi An, Yoo Chang Kim, Sung Hoon Kim
  • Publication number: 20220103731
    Abstract: A camera module includes a housing having a first ball support surface disposed on an inner surface thereof, a driving body movably disposed in the housing and having a second ball support surface disposed on an outer surface thereof, and a plurality of ball bearings disposed between the first ball support surface of the housing and the second ball support surface of the driving body. A distance between the first ball support surface and the second ball support surface along a direction perpendicular to an optical axis direction is different at respective first end portions of the first ball support surface and the second ball support surface in the optical axis direction than at respective second end portions of the first ball support surface and the second ball support surface in the optical axis direction.
    Type: Application
    Filed: September 7, 2021
    Publication date: March 31, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Man PARK, Byung Woo KANG, Soo Cheol LIM, Jung Seok LEE, Jae Hyuk LEE, Byung Gi AN, Yoo Chang KIM, Sung Hoon KIM
  • Publication number: 20220066290
    Abstract: A camera module includes a lens barrel, a housing, a shield cover, and a buffer member. The lens barrel includes a flange portion extending in a direction intersecting an optical axis. The housing is configured to accommodate the lens barrel and has a step portion configured to face a lower portion of the flange portion. The shield cover is coupled to the housing and configured to cover an upper edge of the lens barrel. The buffer member is configured to couple to a groove of the flange portion and protrude in opposing directions from the flange portion to selectively contact the shield cover and the step portion.
    Type: Application
    Filed: June 14, 2021
    Publication date: March 3, 2022
    Applicant: Samsung Electro-Mechanics Co., Ltd
    Inventors: Yoo Chang KIM, Sung Hoon KIM
  • Publication number: 20210333689
    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: July 6, 2021
    Publication date: October 28, 2021
    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: 11086195
    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: Grant
    Filed: March 27, 2019
    Date of Patent: August 10, 2021
    Assignee: 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: 10928702
    Abstract: A camera module includes a carrier configured to move in an optical axis direction, a frame and a lens holder disposed in the carrier in the optical axis direction and configured to move together with the carrier in the optical axis direction, a first ball member disposed between the carrier and the frame, a second ball member disposed between the frame and the lens holder, and a third ball member disposed between the carrier and the lens holder. The frame and the lens holder are configured to move together in a first axis direction perpendicular to the optical axis direction. The lens holder is configured to move relatively with respect to the frame in a second axis direction perpendicular to the first axis direction, and the third ball member has more contact points with the carrier than the first ball member.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: February 23, 2021
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Po Chul Kim, Jung Seok Lee, Yeun Ho Jung, Jae Hyuk Kim, Sung Ho Kang, Ick Chan Shim, Yoo Chang Kim, Sung Hoon Kim
  • Publication number: 20210048729
    Abstract: A camera module includes a housing accommodating a lens module and a carrier, a focusing unit including a first magnet disposed in the carrier and a first coil disposed on a first substrate on the housing, and a shake correction unit including a second magnet and a third magnet disposed in the lens module, and a second coil and a third coil disposed on a second substrate on the carrier. The first magnet and the first coil face each other in a first direction. The second magnet and the second coil face each other in the first direction, and the third magnet and the third coil face each other in a second direction. The second magnet and the second coil, and the third magnet and the third coil, move together in an optical axis direction by driving force generated by the first magnet and the first coil.
    Type: Application
    Filed: May 29, 2020
    Publication date: February 18, 2021
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Young Bok YOON, Sung Hoon KIM, Yoo Chang KIM, Bong Won JEONG, Bo Sung SEO, Jung Seok LEE, Soo Cheol LIM
  • 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
  • Publication number: 20190294027
    Abstract: A camera module includes a carrier configured to move in an optical axis direction, a frame and a lens holder disposed in the carrier in the optical axis direction and configured to move together with the carrier in the optical axis direction, a first ball member disposed between the carrier and the frame, a second ball member disposed between the frame and the lens holder, and a third ball member disposed between the carrier and the lens holder. The frame and the lens holder are configured to move together in a first axis direction perpendicular to the optical axis direction. The lens holder is configured to move relatively with respect to the frame in a second axis direction perpendicular to the first axis direction, and the third ball member has more contact points with the carrier than the first ball member.
    Type: Application
    Filed: November 7, 2018
    Publication date: September 26, 2019
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Po Chul KIM, Jung Seok LEE, Yeun Ho JUNG, Jae Hyuk KIM, Sung Ho KANG, Ick Chan SHIM, Yoo Chang KIM, Sung Hoon KIM
  • Patent number: 10379315
    Abstract: A camera module includes a housing; a first lens module and a second lens module accommodated in the housing; a printed circuit board attached to the housing; an actuator disposed between the first and second lens modules and the housing and configured to move the first and second lens modules in an optical axis direction; and a single integrated circuit disposed on the printed circuit board and configured to control movements of the first and second lens modules.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: August 13, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Yoo Chang Kim, Byung Gi An, Po Chul Kim
  • Publication number: 20180100986
    Abstract: A camera module includes a housing; a first lens module and a second lens module accommodated in the housing; a printed circuit board attached to the housing; an actuator disposed between the first and second lens modules and the housing and configured to move the first and second lens modules in an optical axis direction; and a single integrated circuit disposed on the printed circuit board and configured to control movements of the first and second lens modules.
    Type: Application
    Filed: September 27, 2017
    Publication date: April 12, 2018
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Yoo Chang KIM, Byung Gi AN, Po Chul KIM
  • Patent number: 9544479
    Abstract: A camera module includes a housing having a guide groove formed therein, the guide groove being extended lengthwise in an optical axis direction, a lens barrel mounted in the housing and having a guide protrusion inserted into the guide groove, and an elastic member disposed on the guide groove so that the guide protrusion may be prevented from being separated from the guide groove.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: January 10, 2017
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Po Chul Kim, Yoo Chang Kim, Jung Seok Lee, Sung Hoon Kim, Man Su Kim, Jae Ho Baik, Kyeong Jun Kim, Myung Ki Lee
  • Publication number: 20160246029
    Abstract: An actuator and camera module having a carrier accommodating a lens portion; a magnet disposed on an outer circumferential surface of the carrier; a housing comprising an opening formed in an upper surface of the housing wherein lateral surfaces of the carrier and the magnet are disposed within the housing; a coil portion disposed on a lateral surface of the housing configured to face the magnet; a flexible printed circuit board comprising a terminal portion, formed on one surface of the flexible printed circuit board, configured to supply power to the coil portion, wherein the flexible printed circuit board is coupled to the housing; and a reinforcing portion protruding from a lower surface of the housing to support a rear surface of the terminal portion.
    Type: Application
    Filed: November 25, 2015
    Publication date: August 25, 2016
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yoo Chang KIM, Kyeong Jun KIM, Jung Seok LEE, Sung Hoon KIM, Man Su KIM, Jae Ho BAIK, Po Chul KIM, Myung Ki LEE
  • Publication number: 20160246159
    Abstract: A camera module includes a first housing having at least one fixed lens mounted therein, a second housing coupled to the first housing and having a movable lens mounted therein, and an actuator configured to move the second housing relative to the first housing.
    Type: Application
    Filed: November 18, 2015
    Publication date: August 25, 2016
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jung Seok LEE, Kyeong Jun KIM, Yoo Chang KIM, Sung Hoon KIM, Man Su KIM, Jae Ho BAIK, Po Chul KIM, Myung Ki LEE
  • Publication number: 20160223777
    Abstract: An actuator including a printed circuit board comprising an external connection pad formed on one surface of the printed circuit board; a magnet disposed to face another surface of the printed circuit board; a coil portion disposed on the one surface of the printed circuit board; and a driver integrated circuit (IC), installed on the one surface of the printed circuit board, configured to control a current applied to the coil portion.
    Type: Application
    Filed: December 15, 2015
    Publication date: August 4, 2016
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyeong Jun KIM, Yoo Chang KIM, Jung Seok LEE, Sung Hoon KIM, Man Su KIM, Jae Ho BAIK, Po Chul KIM, Myung Ki LEE
  • Publication number: 20160142595
    Abstract: A camera module includes a housing having a guide groove formed therein, the guide groove being extended lengthwise in an optical axis direction, a lens barrel mounted in the housing and having a guide protrusion inserted into the guide groove, and an elastic member disposed on the guide groove so that the guide protrusion may be prevented from being separated from the guide groove.
    Type: Application
    Filed: March 10, 2015
    Publication date: May 19, 2016
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Po Chul KIM, Yoo Chang KIM, Jung Seok LEE, Sung Hoon KIM, Man Su KIM, Jae Ho BAIK, Kyeong Jun KIM, Myung Ki LEE
  • Publication number: 20150346453
    Abstract: A camera module includes a lens barrel, a housing accommodating the lens barrel therein, a ball bearing contacting rolling surfaces, which are respectively provided on the lens barrel and the housing, and a semi-wet lubricant applied to a surface of the ball bearing.
    Type: Application
    Filed: May 19, 2015
    Publication date: December 3, 2015
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Shin Young CHEONG, Jung Seok LEE, Jae Ho BAIK, Hoon HEO, Po Chul KIM, Yoo Chang KIM