Patents by Inventor Duhee Kim

Duhee 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: 20240136920
    Abstract: The present disclosure provides power supply apparatuses and controlling methods thereof. In some embodiments, a power supply apparatus includes a power factor correction (PFC) circuit, and a control circuit configured to control the PFC circuit. The PFC circuit includes a power inputter configured to receive alternating current voltage to be rectified, an inductor having an end coupled to an end of the power inputter, a first switching element configured to be turned on and off according to a first control signal, a second switching element configured to be turned on and off according to a second control signal, and an outputter configured to output a direct current voltage through an output capacitor. The control circuit is further configured to respectively apply the first and second control signals to the first and second switching elements such that the first and the second switching elements are alternately turned on.
    Type: Application
    Filed: August 22, 2023
    Publication date: April 25, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Wonmyung Woo, Duhee Jang, Duhee Jang, Jeongil Kang, Hyungwan Kim, Sanghoon Lee
  • Publication number: 20230283700
    Abstract: Disclosed herein is a camera module comprising: a circuit board; a frame coupled to the circuit board; an image sensor on the circuit board; a bobbin on the frame, a plurality of lenses being inside the bobbin; a coil wound on the bobbin, the bobbin moving to two directions based on a current applied to the coil; a magnet configured to interact the coil; and a yoke on the frame, the magnet being at an inner side of the yoke, wherein the bobbin moves to a first direction when a forward current is applied to the coil and to a second direction when a reverse current is applied to the coil.
    Type: Application
    Filed: May 15, 2023
    Publication date: September 7, 2023
    Inventor: Duhee Kim
  • Patent number: 11689650
    Abstract: Disclosed herein is a camera module comprising: a circuit board; a frame coupled to the circuit board; an image sensor on the circuit board; a bobbin on the frame, a plurality of lenses being inside the bobbin; a coil wound on the bobbin, the bobbin moving to two directions based on a current applied to the coil; a magnet configured to interact the coil; and a yoke on the frame, the magnet being at an inner side of the yoke, wherein the bobbin moves to a first direction when a forward current is applied to the coil and to a second direction when a reverse current is applied to the coil.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: June 27, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Duhee Kim
  • Publication number: 20210329113
    Abstract: Disclosed herein is a camera module comprising: a circuit board; a frame coupled to the circuit board; an image sensor on the circuit board; a bobbin on the frame, a plurality of lenses being inside the bobbin; a coil wound on the bobbin, the bobbin moving to two directions based on a current applied to the coil; a magnet configured to interact the coil; and a yoke on the frame, the magnet being at an inner side of the yoke, wherein the bobbin moves to a first direction when a forward current is applied to the coil and to a second direction when a reverse current is applied to the coil.
    Type: Application
    Filed: June 30, 2021
    Publication date: October 21, 2021
    Inventor: Duhee KIM
  • Patent number: 11082546
    Abstract: Disclosed herein is a camera module comprising: a circuit board; a frame coupled to the circuit board; an image sensor on the circuit board; a bobbin on the frame, a plurality of lenses being inside the bobbin; a coil wound on the bobbin, the bobbin moving to two directions based on a current applied to the coil; a magnet configured to interact the coil; and a yoke on the frame, the magnet being at an inner side of the yoke, wherein the bobbin moves to a first direction when a forward current is applied to the coil and to a second direction when a reverse current is applied to the coil.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: August 3, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Duhee Kim
  • Publication number: 20200021724
    Abstract: Disclosed herein is a camera module comprising: a circuit board; a frame coupled to the circuit board; an image sensor on the circuit board; a bobbin on the frame, a plurality of lenses being inside the bobbin; a coil wound on the bobbin, the bobbin moving to two directions based on a current applied to the coil; a magnet configured to interact the coil; and a yoke on the frame, the magnet being at an inner side of the yoke, wherein the bobbin moves to a first direction when a forward current is applied to the coil and to a second direction when a reverse current is applied to the coil.
    Type: Application
    Filed: September 26, 2019
    Publication date: January 16, 2020
    Inventor: Duhee KIM
  • Patent number: 10469717
    Abstract: Disclosed herein is a camera module comprising: a circuit board; a frame coupled to the circuit board; an image sensor on the circuit board; a bobbin on the frame, a plurality of lenses being inside the bobbin; a coil wound on the bobbin, the bobbin moving to two directions based on a current applied to the coil; a magnet configured to interact the coil; and a yoke on the frame, the magnet being at an inner side of the yoke, wherein the bobbin moves to a first direction when a forward current is applied to the coil and to a second direction when a reverse current is applied to the coil.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: November 5, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Duhee Kim
  • Publication number: 20170142307
    Abstract: Disclosed herein is a camera module comprising: a circuit board; a frame coupled to the circuit board; an image sensor on the circuit board; a bobbin on the frame, a plurality of lenses being inside the bobbin; a coil wound on the bobbin, the bobbin moving to two directions based on a current applied to the coil; a magnet configured to interact the coil; and a yoke on the frame, the magnet being at an inner side of the yoke, wherein the bobbin moves to a first direction when a forward current is applied to the coil and to a second direction when a reverse current is applied to the coil.
    Type: Application
    Filed: January 27, 2017
    Publication date: May 18, 2017
    Inventor: Duhee KIM
  • Patent number: 9578216
    Abstract: Disclosed herein is a camera module comprising: a circuit board; a frame coupled to the circuit board; an image sensor on the circuit board; a bobbin on the frame, a plurality of lenses being inside the bobbin; a coil wound on the bobbin, the bobbin moving to two directions based on a current applied to the coil; a magnet configured to interact the coil; and a yoke on the frame, the magnet being at an inner side of the yoke, wherein the bobbin moves to a first direction when a forward current is applied to the coil and to a second direction when a reverse current is applied to the coil.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: February 21, 2017
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Duhee Kim
  • Patent number: 9253381
    Abstract: The present invention relates to a camera module configured to prevent de-focusing during correction of hand-shake, and to prevent damages to devices during correction of hand-shake, the module including: a module part including a lens assembly formed with at least one or more lenses, an image sensor having an image pickup device for converting light concentrated through the lens to an electrical signal, and a PCB (Printed Circuit Board) mounted with the image sensor; a case supporting the module part by accommodating the module part; a driving part tilting the module part; and a rotation preventing part preventing the module part from rotating on a vertical axis.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: February 2, 2016
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Duhee Kim
  • Publication number: 20140320738
    Abstract: Disclosed herein is a camera module comprising: a circuit board; a frame coupled to the circuit board; an image sensor on the circuit board; a bobbin on the frame, a plurality of lenses being inside the bobbin; a coil wound on the bobbin, the bobbin moving to two directions based on a current applied to the coil; a magnet configured to interact the coil; and a yoke on the frame, the magnet being at an inner side of the yoke, wherein the bobbin moves to a first direction when a forward current is applied to the coil and to a second direction when a reverse current is applied to the coil.
    Type: Application
    Filed: July 11, 2014
    Publication date: October 30, 2014
    Inventor: Duhee KIM
  • Patent number: 8792938
    Abstract: Disclosed herein is a camera module comprising: a circuit board; a frame coupled to the circuit board; an image sensor on the circuit board; a bobbin on the frame, a plurality of lenses being inside the bobbin; a coil wound on the bobbin, the bobbin moving to two directions based on a current applied to the coil; a magnet configured to interact the coil; and a yoke on the frame, the magnet being at an inner side of the yoke, wherein the bobbin moves to a first direction when a forward current is applied to the coil and to a second direction when a reverse current is applied to the coil.
    Type: Grant
    Filed: August 23, 2013
    Date of Patent: July 29, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventor: Duhee Kim
  • Publication number: 20130344915
    Abstract: Disclosed herein is a camera module comprising: a circuit board; a frame coupled to the circuit board; an image sensor on the circuit board; a bobbin on the frame, a plurality of lenses being inside the bobbin; a coil wound on the bobbin, the bobbin moving to two directions based on a current applied to the coil; a magnet configured to interact the coil; and a yoke on the frame, the magnet being at an inner side of the yoke, wherein the bobbin moves to a first direction when a forward current is applied to the coil and to a second direction when a reverse current is applied to the coil.
    Type: Application
    Filed: August 23, 2013
    Publication date: December 26, 2013
    Applicant: LG INNOTEK CO., LTD.
    Inventor: Duhee KIM
  • Publication number: 20130286284
    Abstract: The present invention relates to a camera module configured to prevent de-focusing during correction of hand-shake, and to prevent damages to devices during correction of hand-shake, the module including: a module part including a lens assembly formed with at least one or more lenses, an image sensor having an image pickup device for converting light concentrated through the lens to an electrical signal, and a PCB (Printed Circuit Board) mounted with the image sensor; a case supporting the module part by accommodating the module part; a driving part tilting the module part; and a rotation preventing part preventing the module part from rotating on a vertical axis.
    Type: Application
    Filed: December 21, 2011
    Publication date: October 31, 2013
    Applicant: LG INNOTEK CO., LTD.
    Inventor: Duhee Kim
  • Patent number: 8543159
    Abstract: Disclosed herein is a mobile phone. In short, a mobile terminal of the present invention includes an actuator placed inside the camera module to shift a lens of the camera module toward an upper side of an optical axis direction when a forward current is applied and shift the lens toward a lower side of an optical axis direction when a reverse current is applied, a vibration control part placed outside of the camera module to output a first control signal and a second control signal when a signal from outside is input telling of operating in a vibration mode, a vibration motor part connected to the vibration control part to vibrate the mobile phone by driving a motor when the first control signal is input, and an actuator drive part connected to the vibration control part to apply the reverse current to the actuator when the second control signal is input.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: September 24, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventor: Duhee Kim
  • Publication number: 20110159919
    Abstract: Disclosed herein is a mobile phone. In short, a mobile terminal of the present invention includes an actuator placed inside the camera module to shift a lens of the camera module toward an upper side of an optical axis direction when a forward current is applied and shift the lens toward a lower side of an optical axis direction when a reverse current is applied, a vibration control part placed outside of the camera module to output a first control signal and a second control signal when a signal from outside is input telling of operating in a vibration mode, a vibration motor part connected to the vibration control part to vibrate the mobile phone by driving a motor when the first control signal is input, and an actuator drive part connected to the vibration control part to apply the reverse current to the actuator when the second control signal is input.
    Type: Application
    Filed: December 21, 2010
    Publication date: June 30, 2011
    Applicant: LG Innotek Co., Ltd.
    Inventor: Duhee Kim