Patents by Inventor Hoon YUN

Hoon YUN 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).

  • Apparatus and method for reducing electromagnetic wave in wireless power transmission device
    Patent number: 10673278
    Abstract: Provided is a wireless power transmission device to reduce an electromagnetic wave except for a signal to be transmitted during wireless power transmission, the wireless power transmission device including a transmitter configured to generate a magnetic field by inputting a high-frequency power signal generated by a transmission circuit into a first coil, a receiver configured to generate an induced current by allowing the generated magnetic field to pass through a second coil, and a reducer configured to reduce a harmonic component of the high-frequency power signal using a third coil inserted on a path between the transmitter and the receiver.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: June 2, 2020
    Assignees: Electronics and Telecommunications Research Institute, DONGYANG E&P INC.
    Inventors: Jung Ick Moon, Seong Uk Baek, Byoung In Lee, Woo Chul Lee, Jong Seup Lee, Dong Woo Cheon, Sang Bong Jeon, Seong Min Kim, Duk Ju Ahn, In Kui Cho, Byung Chan Kim, Je Hoon Yun, Dong Won Jang, Hyung Do Choi
  • METHOD AND APPARATUS FOR BUFFER MANAGEMENT IN CLOUD BASED VIRTUAL REALITY SERVICES
    Publication number: 20200162712
    Abstract: Provided is a method for creating a virtual reality content, storing the virtual reality content in a transmission buffer, and after that, managing the transmission buffer. A server creates the virtual reality content based on user's motion information, stores the virtual reality content in the transmission buffer and is allowed to modify the virtual reality content stored in the transmission buffer based on subsequently received user's motion information, so that the most recent user's motion information can be appropriately reflected in the virtual reality content. It is possible to provide a more immersive virtual reality service.
    Type: Application
    Filed: July 18, 2019
    Publication date: May 21, 2020
    Applicant: FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventor: Ji Hoon YUN
  • Wireless power transmission device for transmitting power using magnetic field and electric field, and wireless power receiving device for receiving power from the wireless power transmission device
    Patent number: 10629369
    Abstract: Provided are a wireless power transmission device for transmitting power to a wireless power receiving device and the wireless power receiving device for receiving the power from the wireless power transmission device. The wireless power transmission device includes a first coil provided in a first direction; a second coil provided in a second direction that is perpendicular to the first direction, and connected to both ends of the first coil; and a voltage source configured to supply voltage to the first coil and the second coil. The first coil and the second coil may generate an electric field and a magnetic field in response to the voltage being supplied from the voltage source.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: April 21, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Je Hoon Yun, Jung Ick Moon, Sang-Won Kim, Seong-Min Kim, Dong Won Jang, Sang Bong Jeon, In Kui Cho
  • SEMICONDUCTOR LIGHT EMITTING DEVICE
    Publication number: 20200105980
    Abstract: A semiconductor light emitting device includes a plurality of light emitting structures, an isolation layer covering side surfaces of the plurality of light emitting structures and insulating the plurality of light emitting structures from one another, a partition layer formed on the isolation layer, a first protective layer covering top surfaces of the plurality of light emitting structures and side walls of the partition layer, a reflective layer covering the first protective layer and disposed on the side walls of the partition layer, and a second protective layer covering the reflective layer.
    Type: Application
    Filed: March 12, 2019
    Publication date: April 2, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Hyun SIM, Yong Il KIM, Ha Nul YOO, Ji Hye YEON, Jun Bu YOUN, Ji Hoon YUN, Su Hyun JO
  • LIGHT-EMITTING DEVICE PACKAGE
    Publication number: 20200058839
    Abstract: A light-emitting device package includes a lead frame, a light-emitting device chip, a molding structure, and a plurality of slots. The lead frame includes a first lead and a second lead including metal and spaced apart from each other. The light-emitting device chip is mounted on a first area of the lead frame, which includes a part of the first lead and a part of the second lead. The molding structure includes an outer barrier surrounding an outside of the lead frame and an inner barrier. The plurality of slots are formed in each of the first lead and the second lead. The inner barrier divides the lead from into the first area and a second area. The inner barrier fills between the first lead in the second lead. The second area is located outside of the first area. The plurality of slots are filled by the molding structure.
    Type: Application
    Filed: August 26, 2019
    Publication date: February 20, 2020
    Inventors: JI-HOON YUN, Jong-sup SONG, Seol-young CHOI
  • Light emitting device package including a lead frame
    Patent number: 10510936
    Abstract: A light-emitting device package includes a lead frame, a light-emitting device chip, a molding structure, and a plurality of slots. The lead frame includes a first lead and a second lead including metal and spaced apart from each other. The light-emitting device chip is mounted on a first area of the lead frame, which includes a part of the first lead and a part of the second lead. The molding structure includes an outer barrier surrounding an outside of the lead frame and an inner barrier. The plurality of slots are formed in each of the first lead and the second lead. The inner barrier divides the lead from into the first area and a second area. The inner barrier fills between the first lead in the second lead. The second area is located outside of the first area. The plurality of slots are filled by the molding structure.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: December 17, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-hoon Yun, Jong-sup Song, Seol-young Choi
  • Wireless charging apparatus and method
    Patent number: 10505384
    Abstract: Disclosed is a wireless charging apparatus and method, the apparatus including a controller configured to control the wireless charging apparatus, and a transmitter configured to form a rotating magnetic field in a three-dimensional (3D) space in response to a first clock signal and a second clock signal generated under a control of the controller, wherein a phase difference between the first clock signal and the second clock signal is 90 degrees.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: December 10, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sang Won Kim, Seong Min Kim, Jung Ick Moon, Sang Bong Jeon, In Kui Cho, Je Hoon Yun, Dong Won Jang, Hyung Do Choi
  • Wireless charging apparatus based on three-dimensional (3D) wireless charging zone
    Patent number: 10483787
    Abstract: Provided is a wireless charging apparatus for performing wireless charging of an electronic device including a receiving coil located in a three-dimensional (3D) wireless charging zone using a plurality of transmitting coils arranged in the 3D wireless charging zone and at least one power source configured to supply a current to the plurality of transmitting coils.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: November 19, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: In Kui Cho, Seong Min Kim, Jung Ick Moon, Duk Ju Ahn, Je Hoon Yun, Hyung Do Choi, Dong Won Jang
  • Coaxial resonance coil having toroidal shape for wireless power transmission
    Patent number: 10476159
    Abstract: A coaxial resonance coil having a toroidal shape for wireless power transmission is provided. The coaxial resonance coil may include a central conductive wire used as a power feeding loop for indirectly feeding power to a resonance coil, and an outer conductive wire used as a resonance coil which is wound a plurality of turns in a toroidal shape around the central conductive wire as an axis.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: November 12, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Je Hoon Yun, Seong Min Kim, Jung Ick Moon, Duk Ju Ahn, Soon Ik Jeon, In Kui Cho
  • Dog harness
    Patent number: 10448617
    Abstract: A dog harness includes a harness body, having a front portion and a rear portion, first and second front straps, first and second rear straps, first and second coupling members, first and second leash straps and a connecting means, wherein the first leash strap loops through the first coupling member such that the first leash strap is adapted to move relative to the first coupling member, wherein the second leash strap loops through the second coupling member such that the second leash strap is adapted to move relative to the second coupling member.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: October 22, 2019
    Inventor: Yeu Hoon Yun
  • APPARATUS AND METHOD FOR RECEIVING WIRELESS POWER, AND SYSTEM FOR TRANSMITTING WIRELESS POWER
    Publication number: 20190273400
    Abstract: Provided is a wireless power reception apparatus which receives a power from a wireless power transmission apparatus. A wireless power reception apparatus which receives a power from a wireless power transmission apparatus, the wireless power reception apparatus comprising a duty controller configured to control a duty cycle; a power converter configured to convert an effective load resistance according to the duty cycle; a reception resonator configured to receive a power from a transmission coil of the wireless power transmission apparatus, wherein the duty cycle and a current of the transmission coil is adjusted based on a load resistance of the wireless power reception apparatus.
    Type: Application
    Filed: May 17, 2019
    Publication date: September 5, 2019
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Duk Ju AHN, In Kui CHO, Seong Min KIM, Jung Ick MOON, Sang Bong JEON, Byung Chan KIM, Je Hoon YUN, Dong Won JANG, Hyung Do CHOI
  • Dog garment
    Patent number: D861999
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: October 1, 2019
    Inventor: Yeu Hoon Yun
  • Dog harness
    Patent number: D862004
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: October 1, 2019
    Inventor: Yeu Hoon Yun
  • Dog harness
    Patent number: D862803
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: October 8, 2019
    Inventor: Yeu Hoon Yun
  • Dog garment
    Patent number: D866091
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: November 5, 2019
    Inventor: Yeu Hoon Yun
  • Dog garment
    Patent number: D867681
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: November 19, 2019
    Inventor: Yeu Hoon Yun
  • Dog garment
    Patent number: D867682
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: November 19, 2019
    Inventor: Yeu Hoon Yun
  • Dog harness
    Patent number: D867686
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: November 19, 2019
    Inventor: Yeu Hoon Yun
  • Dog garment
    Patent number: D880789
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: April 7, 2020
    Inventor: Yeu Hoon Yun
  • Dog harness
    Patent number: D886393
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: June 2, 2020
    Inventor: Yeu Hoon Yun