Patents by Inventor Byungsang JUNG

Byungsang JUNG 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).

  • Patent number: 10256666
    Abstract: The present disclosure relates to a wireless power reception method, a wireless power reception apparatus, and a wireless charging system in a wireless power transmission and reception field, and the wireless power reception apparatus may include a power receiving unit configured to change a magnetic flux to a current to receive power in a wireless manner, and a power controller connected to the power receiving unit to change a resonant frequency to control power received from the power receiving unit, wherein the power controller includes a first capacitor, a second capacitor connected to the first capacitor in parallel, a first switch connected to the second capacitor in series to flow a current in a first direction, a second switch configured to flow a current in a second direction opposite to the first direction, and a switch controller configured to control the first and the second switch.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: April 9, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Byungsang Jung, Hyunbeom Lee, Seonghun Lee, Yongcheol Park
  • Publication number: 20190097450
    Abstract: A wireless power transmitter which is capable of charging a plurality of wireless power receivers is discussed. The wireless power transmitter includes a plurality of coil cells, a main half-bridge inverter to which a main pulse signal is applied, a plurality of sub half-bridge inverters to which a first sub pulse signal or a second sub pulse signal is applied, at least one current sensor configured to monitor a current, and a communications and control unit configured to control the pulse signals applied to the main half-bridge inverter and sub half-bridge inverters and communicate with the wireless power receivers.
    Type: Application
    Filed: November 29, 2018
    Publication date: March 28, 2019
    Applicant: LG ELECTRONICS INC.
    Inventors: Yongcheol PARK, Hyunbeom LEE, Jaesung LEE, Byungsang JUNG, Jinmoo PARK, Seonghun LEE, Jihyun LEE, Jeongkyo SEO
  • Patent number: 10177592
    Abstract: A wireless power transmitter is disclosed. The wireless power transmitter, which is capable of charging a plurality of wireless power receivers, includes: a plurality of coil cells; a main half-bridge inverter to which a main pulse signal is applied; a plurality of sub half-bridge inverters to which a first sub pulse signal or second sub pulse signal is applied; a current sensor that monitors the current through the coil cells; and a communications and control unit that controls the pulse signals applied to the main half-bridge inverter and sub half-bridge inverters and that communicates with the wireless power receivers, wherein the sub half-bridge inverters may be respectively connected to the coil cells.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: January 8, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Yongcheol Park, Hyunbeom Lee, Jaesung Lee, Byungsang Jung, Jinmoo Park, Seonghun Lee, Jihyun Lee, Jeongkyo Seo
  • Publication number: 20180351369
    Abstract: A control method for an inductive power supply (IPS), according to one embodiment of the present invention, can comprise the steps of: applying a ping for sensing an object; measuring a coil current; sensing the object on the basis of the coil current measurement result; transmitting, to the object, the minimum power for waking up a communication unit of the object, wherein the communication unit performs communication by using an out-of band communication protocol; receiving, from the object, pairing information through the out-of band communication protocol so as to perform pairing with the object; and transmitting main power to the paired object.
    Type: Application
    Filed: February 18, 2016
    Publication date: December 6, 2018
    Applicant: LG ELECTRONICS INC.
    Inventors: Seonghun LEE, Byungsang JUNG
  • Patent number: 10097041
    Abstract: The present specification which relates to a wireless power transmission device and a control method, capable of transmitting and receiving power wirelessly comprises a power supply unit for supplying power to a receiving device to transmit power wirelessly; and a power transmission control unit for, periodically generating a waveform with a particular frequency, measuring an attenuation coefficient of the waveform at each cycle, measuring a variation in the attenuation coefficient at each cycle, and determining the type of an external material. The present invention has a technical feature wherein the power transmission control unit determines whether to transmit power wirelessly to the receiving device on the basis of the type of the external material.
    Type: Grant
    Filed: September 23, 2014
    Date of Patent: October 9, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Byungsang Jung, Beomseok Chae, Yongcheol Park, Kyunghwan Kim
  • Patent number: 9821672
    Abstract: An electronic device according to an embodiment of the present invention is configured to wirelessly receive electric power from a wireless electric power transfer device. A power reception unit of the electronic device comprises: a core having a predetermined length and having magnetic flux concentration portions formed at lengthwise side portions thereof; and a coil wound along an outer periphery of the core to form magnetic flux density in the magnetic flux concentration portions, the magnetic flux density having a magnitude equal to or larger than a predetermined value.
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: November 21, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Beomseok Chae, Jeongeon Park, Kihyun Jung, Jeongkyo Seo, Byungsang Jung
  • Patent number: 9793763
    Abstract: Disclosed is a refrigerator for uniformly illuminating an inner space thereof. The refrigerator includes a cabinet including a storage compartment having a predetermined size, a shelf installed in the storage compartment, the shelf including a light source unit for illuminating an inside of the storage compartment, a transmitter connected to an external power supply for wirelessly transmitting power, the transmitter having a primary resonance frequency within a predetermined range, and a receiver for wirelessly receiving the power from the transmitter so as to supply the power to the light source unit of the shelf, the transmitter transmitting the power to the receiver using a secondary resonance frequency generated when the receiver is located close to the transmitter.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: October 17, 2017
    Assignee: LG Electronics Inc.
    Inventors: Seonghun Lee, Byungsang Jung, Hwanyong Kim, Seungje Park, Sangdoo Ha, Yongjun Son, Seonwook Park, Jaesung Yang, Wonbok Lee, Gyoocheol Choi, Joonggil Jeong
  • Publication number: 20170294798
    Abstract: The present relates to a wireless power transmitter performing communication with a wireless power receiver, and a wireless power transfer method thereof. The wireless power transmitter includes a power conversion unit configured to transmit a wireless power signal transferred in a form of an energy field, such as an electric field, a magnetic field or an electromagnetic field, and a power transmission control unit configured to transfer power to the wireless power receiver using the wireless power signal, wherein the power transmission control unit is configured to control the power conversion unit to transmit a near-field communication (NFC) detection signal, other than the wireless power signal, when a preset condition is satisfied, and wherein the power transmission control unit controls the wireless conversion unit in a different manner according to whether or not a response signal to the NFC detection signal is detected.
    Type: Application
    Filed: April 11, 2017
    Publication date: October 12, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Gyunghwan YUK, Jaesung LEE, Jaesoon KWON, Jinsup PARK, Jeongkyo SEO, Byungsang JUNG, Youngchan CHO
  • Publication number: 20170279308
    Abstract: A wireless power transmission system using multiple coils comprises a transmitter; and a receiver, wherein the transmitter includes a module for receiving a predetermined voltage, and a primary coil for generating a primary resonance frequency in accordance with the received voltage. The receiver spaced apart from the transmitter includes a load for emitting light, capacitors connected in series or in parallel in accordance with an equivalent resistance of the load, and a secondary coil for generating a secondary resonance frequency greater than the primary resonance frequency.
    Type: Application
    Filed: March 16, 2017
    Publication date: September 28, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Byungsang JUNG, Seonghun LEE, Hwanyong KIM, Seonwook PARK, Seungje PARK, Yongjun SON, Jaesung YANG, Gyoocheol CHOI
  • Publication number: 20170214277
    Abstract: Disclosed is a refrigerator for uniformly illuminating an inner space thereof. The refrigerator includes a cabinet including a storage compartment having a predetermined size, a shelf installed in the storage compartment, the shelf including a light source unit for illuminating an inside of the storage compartment, a transmitter connected to an external power supply for wirelessly transmitting power, the transmitter having a primary resonance frequency within a predetermined range, and a receiver for wirelessly receiving the power from the transmitter so as to supply the power to the light source unit of the shelf, the transmitter transmitting the power to the receiver using a secondary resonance frequency generated when the receiver is located close to the transmitter.
    Type: Application
    Filed: December 16, 2016
    Publication date: July 27, 2017
    Inventors: Seonghun LEE, Byungsang JUNG, Hwanyong KIM, Seungje PARK, Sangdoo HA, Yongjun SON, Seonwook PARK, Jaesung YANG, Wonbok LEE, Gyoocheol CHOI, Joonggil JEONG
  • Publication number: 20170211875
    Abstract: Disclosed is a refrigerator for uniformly illuminating an inner space thereof. The refrigerator includes a cabinet including a storage compartment having a predetermined size, a shelf installed in the storage compartment, the shelf including a light source unit for illuminating an inside of the storage compartment, a transmitter connected to an external power supply for wirelessly transmitting power, the transmitter having a primary resonance frequency within a predetermined range, and a receiver for wirelessly receiving the power from the transmitter so as to supply the power to the light source unit of the shelf, the transmitter transmitting the power to the receiver using a secondary resonance frequency generated when the receiver is located close to the transmitter.
    Type: Application
    Filed: December 16, 2016
    Publication date: July 27, 2017
    Inventors: Seonghun LEE, Byungsang JUNG, Hwanyong KIM, Seungje PARK, Sangdoo HA, Yongjun SON, Seonwook PARK, Jaesung YANG, Wonbok LEE, Gyoocheol CHOI, Joonggil JEONG
  • Publication number: 20170047786
    Abstract: A wireless power transmitter is disclosed. The wireless power transmitter, which is capable of charging a plurality of wireless power receivers, includes: a plurality of coil cells; a main half-bridge inverter to which a main pulse signal is applied; a plurality of sub half-bridge inverters to which a first sub pulse signal or second sub pulse signal is applied; a current sensor that monitors the current through the coil cells; and a communications and control unit that controls the pulse signals applied to the main half-bridge inverter and sub half-bridge inverters and that communicates with the wireless power receivers, wherein the sub half-bridge inverters may be respectively connected to the coil cells.
    Type: Application
    Filed: April 10, 2015
    Publication date: February 16, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Yongcheol PARK, Hyunbeom LEE, Jaesung LEE, Byungsang JUNG, Jinmoo PARK, Seonghun LEE, Jihyun LEE, Jeongkyo SEO
  • Publication number: 20160308397
    Abstract: The present disclosure relates to a wireless power reception method, a wireless power reception apparatus, and a wireless charging system in a wireless power transmission and reception field, and the wireless power reception apparatus may include a power receiving unit configured to change a magnetic flux to a current to receive power in a wireless manner, and a power controller connected to the power receiving unit to change a resonant frequency to control power received from the power receiving unit, wherein the power controller includes a first capacitor, a second capacitor connected to the first capacitor in parallel, a first switch connected to the second capacitor in series to flow a current in a first direction, a second switch configured to flow a current in a second direction opposite to the first direction, and a switch controller configured to control the first and the second switch.
    Type: Application
    Filed: February 6, 2015
    Publication date: October 20, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Byungsang JUNG, Hyunbeom LEE, Seonghun LEE, Yongcheol PARK
  • Patent number: 9461479
    Abstract: A wireless power transmitter including a power supply unit configured to supply an input voltage; a power conversion unit configured to generate wireless power based on a driving signal, generated by the supplied input voltage and a first pulse width modulation (PWM) signal, and transfer the wireless power to a wireless power receiver; and a power transmission control unit configured to receive a voltage value of a battery charged with the wireless power through a wireless network, and generate the first PWM signal based on the voltage value of the battery.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: October 4, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Beomseok Chae, Byungsang Jung, Jeongkyo Seo, Kwangmin Yoo, Junyoung Lee
  • Publication number: 20160241086
    Abstract: The present specification which relates to a wireless power transmission device and a control method, capable of transmitting and receiving power wirelessly comprises a power supply unit for supplying power to a receiving device to transmit power wirelessly; and a power transmission control unit for, periodically generating a waveform with a particular frequency, measuring an attenuation coefficient of the waveform at each cycle, measuring a variation in the attenuation coefficient at each cycle, and determining the type of an external material. The present invention has a technical feature wherein the power transmission control unit determines whether to transmit power wirelessly to the receiving device on the basis of the type of the external material.
    Type: Application
    Filed: September 23, 2014
    Publication date: August 18, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Byungsang JUNG, Beomseok CHAE, Yongcheol PARK, Kyunghwan KIM
  • Publication number: 20160001663
    Abstract: An electronic device according to an embodiment of the present invention is configured to wirelessly receive electric power from a wireless electric power transfer device. A power reception unit of the electronic device comprises: a core having a predetermined length and having magnetic flux concentration portions formed at lengthwise side portions thereof; and a coil wound along an outer periphery of the core to form magnetic flux density in the magnetic flux concentration portions, the magnetic flux density having a magnitude equal to or larger than a predetermined value.
    Type: Application
    Filed: February 28, 2014
    Publication date: January 7, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Beomseok CHAE, Jeongeon PARK, Kihyun JUNG, Jeongkyo SEO, Byungsang JUNG
  • Patent number: 9175812
    Abstract: A lighting apparatus can dissipate heat by conduction and convection. A heat sink is provided with an active cooling device for the lighting apparatus.
    Type: Grant
    Filed: December 6, 2011
    Date of Patent: November 3, 2015
    Assignee: LG Electronics Inc.
    Inventors: Byungsang Jung, Sejoon You, Kyungtaek Lee, Hyunha Kim, Seoyoung Maeng, Dongchul Yoo
  • Publication number: 20140347008
    Abstract: A wireless power transmitter including a power supply unit configured to supply an input voltage; a power conversion unit configured to generate wireless power based on a driving signal, generated by the supplied input voltage and a first pulse width modulation (PWM) signal, and transfer the wireless power to a wireless power receiver; and a power transmission control unit configured to receive a voltage value of a battery charged with the wireless power through a wireless network, and generate the first PWM signal based on the voltage value of the battery.
    Type: Application
    Filed: May 23, 2014
    Publication date: November 27, 2014
    Applicant: LG ELECTRONICS INC.
    Inventors: Beomseok CHAE, Byungsang JUNG, Jeongkyo SEO, Kwangmin YOO, Junyoung Lee
  • Publication number: 20120300474
    Abstract: A lighting apparatus can dissipate heat by conduction and convection. A heat sink is provided with an active cooling device for the lighting apparatus.
    Type: Application
    Filed: December 6, 2011
    Publication date: November 29, 2012
    Inventors: Byungsang JUNG, Sejoon YOU, Kyungtaek LEE, Hyunha KIM, Seoyoung MAENG, Dongchul YOO