Patents by Inventor Do-Won Kim

Do-Won 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: 20170302097
    Abstract: A method of a charging apparatus for controlling wireless charging is provided. The method includes detecting an electronic device, determining a charging method corresponding to the detected electronic device, and wirelessly charging the electronic device by selecting a coil corresponding to the determined charging method.
    Type: Application
    Filed: March 24, 2017
    Publication date: October 19, 2017
    Inventors: Dong-Zo KIM, Do-Won KIM, Jae-Hyun PARK, Sung-Ku YEO, Sung-Bum PARK, Young-Ho RYU
  • Patent number: 9768638
    Abstract: A charging device for charging one or more electronic devices is provided. The charging device includes a charging unit configured to include a first charging unit, and a second charging unit, the second charging unit protruding upward from a surface of the charging unit at an angle greater than or equal to a predetermined reference angle with respect to the surface of the charging unit, wherein, if at least one of the first charging unit and the second charging unit is arranged to face at least one electronic device in a face-to-face manner, the at least one of the first charging unit and the second charging unit supplies wireless power to the at least one electronic device.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: September 19, 2017
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Dong-Zo Kim, Keum-Su Song, Sung-Bum Park, Do-Won Kim, Sung-Ku Yeo
  • Publication number: 20170085132
    Abstract: A wireless power transmitting apparatus wirelessly charging a wireless power receiving apparatus is provided. The wireless power transmitting apparatus includes a power providing unit configured to provide power, a gate driver configured to generate a differential signal formed of a first signal and a second signal from the power provided from the power providing unit, an amplifier configured to amplify the differential signal by a predetermined gain, a power transmitting unit configured to transmit the amplified differential signal to the wireless power receiving apparatus, and a differential signal correcting circuit that is disposed between the gate driver and the amplifier and is configured to correct the differential signal so that a predetermined phase difference between the first signal and the second signal is maintained.
    Type: Application
    Filed: April 25, 2016
    Publication date: March 23, 2017
    Inventors: Sung-Ku YEO, Do-Won KIM, Dong-Zo KIM, Bong-Chul KIM, Hyung-Koo CHUNG
  • Publication number: 20170070101
    Abstract: A method and an apparatus for wirelessly transmitting power are provided. The method includes transmitting power of a first level determined based on a maximum load power level of a load, which is electrically connected to a wireless power receiver, to the wireless power receiver, receiving information on a used load power level according to a load change in the load from the wireless power receiver, and controlling a power level transmitted to the wireless power receiver according to the information on the received used load power level.
    Type: Application
    Filed: September 7, 2016
    Publication date: March 9, 2017
    Inventors: Bong-Chul KIM, Do-Won KIM
  • Patent number: 9575355
    Abstract: The module for a liquid crystal display includes a liquid crystal display panel, a first polarizer formed on an upper side of the liquid crystal display panel, and a second polarizer formed on a lower side of the liquid crystal display panel, wherein the first polarizer has a length in a machine direction, the second polarizer has a width in the machine direction, a shrinkage force of the second polarizer is greater than a shrinkage force of the first polarizer, and the length of a polarizer is greater than the width of a polarizer.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: February 21, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Do Won Kim, Hae Ryong Chung
  • Publication number: 20160211696
    Abstract: A wireless charging device for wirelessly transmitting electric power to an electronic device includes a housing, a system board within the housing and including a power amplifier, a shield-can within the housing with a separation distance between a top of the housing and a top of the shield can, a transmission resonator between the top of the housing and the top of the shield-can for simultaneously generating a vertical magnetic field and a horizontal magnetic field, and a sheet provided between the shield-can and the transmission resonator for shielding the system board and the transmission resonator from each other's electromagnetic fields, wherein the electromagnetic fields comprise the vertical magnetic field and the horizontal magnetic field generated by the transmission resonator and an electromagnetic field generated by the system board.
    Type: Application
    Filed: January 21, 2016
    Publication date: July 21, 2016
    Inventors: Sung-Bum PARK, Do-Won KIM
  • Publication number: 20160197512
    Abstract: Disclosed is an electronic device including a resonator that generates an induced current by electromagnetic coupling. The resonator includes a first conductor, a plurality of second conductors, a one end of each of the second conductors being electrically coupled to a first point of the first conductor, and an other end of each of the second conductors being electrically coupled to a second point of the first conductor, and at least one impedance load connected with the second conductors in series or in parallel. Thus, the resonator may generate current through the first and second conductors.
    Type: Application
    Filed: January 4, 2016
    Publication date: July 7, 2016
    Inventors: Keum-Su Song, Do-Won Kim, Sung-Bum Park, Jae-Hyun Park
  • Publication number: 20160197491
    Abstract: Disclosed is an external inductor that is connected to a wireless power receiver. The external inductor may include a conductor including at least one main slit, a first connecting unit that connects a first point of the conductor and the wireless power receiver with each other, and a second connecting unit that connects a second point of the conductor and the wireless power receiver with each other.
    Type: Application
    Filed: January 7, 2016
    Publication date: July 7, 2016
    Inventors: Jae-Hyun Park, Young-Ho Ryu, Do-Won Kim, Sang-Wook Kwon, Dong-Zo Kim, Sung-Bum Park, Sung-Ku Yeo
  • Publication number: 20160172869
    Abstract: A wireless power receiver is disclosed. A wireless power receiver according to various embodiments of the present disclosure includes a resonant reception unit configured to receive wireless power by a resonance scheme; an inductive reception unit configured to receive wireless power by an induction scheme; and a power processing unit configured to process wireless power received at the resonant reception unit and the inductive reception unit. When the wireless power is received by the induction scheme, a current flowing in the inductive reception unit is greater than a current flowing in the resonant reception unit, and when the wireless power is received by the resonance scheme, a current flowing in the resonant reception unit is greater than a current flowing in the inductive reception unit.
    Type: Application
    Filed: December 10, 2015
    Publication date: June 16, 2016
    Inventors: Sung-Bum PARK, Do-Won KIM, Young-Ho RYU, Dong-Zo KIM, Jae-Hyun PARK, Keum-Su SONG, Sung-Ku YEO
  • Publication number: 20160172894
    Abstract: A wireless charging system and method are provided, that are capable of simultaneously charging multiple mobile devices, providing high power transfer efficiency for multiple mobile devices located at any position and orientation, and minimizing electromagnetic radiation from a transmitting (TX) coil and a receiving (RX) coil. The method and structure reduce electromagnetic interference (EMI) radiation by shunting in-phase currents flowing in a wireless power transmitting unit (TX unit) and a wireless power receiving unit (RX unit) of a wireless charging system.
    Type: Application
    Filed: December 16, 2015
    Publication date: June 16, 2016
    Inventors: Alexander KHRIPKOV, Konstantin PAVLOV, Mikhail MAKURIN, Nikolay OLYUNIN, Do-won KIM, Vladimir ARKHIPENKOV
  • Publication number: 20160146994
    Abstract: The present invention relates to a polyene polarizer having an order parameter (S) of about 0.9-1 inclusive and a transmittance of about 43-100% inclusive, a method for manufacturing a polyene polarizer, which can stably produce a thin polyene polarizer having a high transmittance, a high degree of polarization and a high order parameter (S) value, and a polarizing plate and an optical display device each comprising the polyene polarizer.
    Type: Application
    Filed: February 27, 2014
    Publication date: May 26, 2016
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Jin Sook KIM, Do Won KIM, Jong Hoon KIM, Jik Soon SHIN
  • Publication number: 20160099577
    Abstract: Apparatuses, systems, and methods of wireless power transmission/reception are described. In one wireless power transmission/reception device, a planar resonator capable of generating magnetic fields has one or more ferrite members mounted thereon such that the magnetic fields generated by the planar resonator have an overall direction substantially tilted or parallel to its opening/face, i.e., to the plane of the planar resonator. In a wireless power reception device, the planar resonator generates magnetic fields and an induced current when being resonated by external magnetic fields; in a wireless power transmission device, the planar resonator generates magnetic fields when being supplied with power.
    Type: Application
    Filed: September 30, 2015
    Publication date: April 7, 2016
    Inventors: Jae-Hyun PARK, Young-Ho RYU, Kyu-Sub KWAK, Sang-Wook KWON, Do-Won KIM, Dong-Zo KIM, Keum-Su SONG, Chi-Hyung AHN
  • Publication number: 20160094077
    Abstract: A charging device for charging one or more electronic devices is provided. The charging device includes a charging unit configured to include a first charging unit, and a second charging unit, the second charging unit protruding from charging unit at an angle greater than or equal to a predetermined reference angle, where, if at least one of the first charging unit and the second charging unit is arranged to face at least one electronic device in a face-to-face manner, the at least one of the first charging unit and the second charging unit supplies wireless power to the at least one electronic device.
    Type: Application
    Filed: August 25, 2015
    Publication date: March 31, 2016
    Inventors: Dong-Zo KIM, Keum-Su SONG, Sung-Bum PARK, Do-Won KIM, Sung-Ku YEO
  • Patent number: 9293829
    Abstract: An antenna device and an electronic device including the antenna device are provided. The antenna device includes a radiation patch in a shape of a flat plate, a first feed point configured in a side region of the radiation patch, and a second feed point configured in another side region of the radiation patch. The first feed point and the second feed point are a same distance from a virtual ground plane formed on the radiation patch, out-of-phase feeding is provided to the first feed point and the second feed point to form a broadside radiation pattern, and in-phase feeding is provided to the first feed point and the second feed point to form an endfire radiation pattern.
    Type: Grant
    Filed: January 14, 2014
    Date of Patent: March 22, 2016
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Do-Won Kim, Jae-Jin Lee, Shin-Hee Cho
  • Publication number: 20150341086
    Abstract: A mobile communication device having a wireless power receiver and wireless communications unit, in which inductors of the communications unit and the power receiver are in close proximity to each other, is provided. The mobile communication device includes a wireless communications unit including a first inductor configured to transmit and receive data via inductive coupling, and a wireless power receiver. The wireless power receiver includes a second inductor which is disposed above the first inductor and receives power via inductive coupling, a ferrite shield disposed between the first inductor and the second inductor, and a compensator disposed between the first inductor and the ferrite shield. Compensator is adapted to compensate for variations in the inductance of the first inductor caused by the ferrite shield.
    Type: Application
    Filed: May 20, 2015
    Publication date: November 26, 2015
    Inventors: Alexander Nikolaevich KHRIPKOV, Do-won KIM, Konstantin Alexandrovich PAVLOV, Mikhail Nikolaevich MAKURIN, Vladimir Yakovlevich ARKHIPENKOV
  • Patent number: 9081144
    Abstract: A polarizing plate for use with an organic light emitting display includes an adhesive layer, a retardation film, a polarizer, and a protective film sequentially stacked in this order, the polarizing plate further including a positive C plate.
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: July 14, 2015
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Hyeon Cho, Do Won Kim, Ran Kim, Jin Sook Kim, Jik Soo Shin
  • Patent number: 9063302
    Abstract: Provided are an optical connector capable of improving optical alignment efficiency and an optical device having the same. The connector may include a body having a top surface and a bottom surface facing each other, through holes penetrating the body to connect the top and bottom surfaces, and alignment keys provided on at least side surface of the body to be parallel to the through holes.
    Type: Grant
    Filed: April 10, 2012
    Date of Patent: June 23, 2015
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Do Won Kim, Gyungock Kim
  • Publication number: 20150168779
    Abstract: The module for a liquid crystal display includes a liquid crystal display panel, a first polarizer formed on an upper side of the liquid crystal display panel, and a second polarizer formed on a lower side of the liquid crystal display panel, wherein the first polarizer has a length in a machine direction, the second polarizer has a width in the machine direction, a shrinkage force of the second polarizer is greater than a shrinkage force of the first polarizer, and the length of a polarizer is greater than the width of a polarizer.
    Type: Application
    Filed: December 4, 2014
    Publication date: June 18, 2015
    Inventors: Do Won Kim, Hae Ryong Chung
  • Patent number: 9025920
    Abstract: Provided are optical coupling devices and silicon photonics chips having the same. the optical coupling device may include a lower layer having a first region and a second region, a first core layer disposed on the lower layer, the first core layer including first and second waveguides disposed on the first and second regions, respectively, a clad layer covering the first waveguide, and a second core layer interposed between the clad layer and the lower layer to cover the second waveguide. The second waveguide has a width decreasing with increasing distance from the first region and a vertical thickness greater than that of the first waveguide.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: May 5, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Do Won Kim, Gyungock Kim
  • Patent number: D747268
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: January 12, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Do-Won Kim, Kyu-Sub Kwak, Sung-Bum Park, Keum-Su Song, Kyung-Woo Lee