Patents by Inventor Yun KWON

Yun KWON 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).

  • In-band data communication system using wireless power
    Patent number: 9509537
    Abstract: Provided is data transmission and reception that transmits and receives data using a wireless power between wireless power transmitter and a wireless power receiver. An in-band data communication apparatus using a wireless power may include a modulating unit configured to modulate data by mixing a predetermined signal and pulse signal-type data; a demodulating unit configured to detect reflected power generated due to impedance mismatching between a source resonator and a target resonator, and to demodulate received data based on a variance of the reflected power; a source resonance unit configured to transmit transmission power including the modulated data to the target resonator, and to receive the reflected power; and a controller to control the pulse signal-type data, and to control impedance matching between the source resonator and the target resonator.
    Type: Grant
    Filed: May 4, 2012
    Date of Patent: November 29, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Yun Kwon Park
  • Wireless power transmission apparatus and wireless power reception apparatus
    Patent number: 9502174
    Abstract: A wireless power transmission apparatus includes a resonance unit including resonators and configured to form a magnetic resonant coupling with another resonator, and a feeding unit configured to transmit alternating current (AC) power to one of the resonators. The wireless power transmission apparatus further includes a controller configured to determine a value of a capacitor connected to one of the resonators, based on a magnitude of a magnetic field formed by the resonance unit.
    Type: Grant
    Filed: January 3, 2014
    Date of Patent: November 22, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ki Young Kim, Sang Wook Kwon, Nam Yun Kim, Dong Zo Kim, Yun Kwon Park, Keum Su Song, Young Ho Ryu, Chang Wook Yoon, Jin Sung Choi
  • Wireless power transmission apparatus and method and wireless power reception apparatus
    Patent number: 9502923
    Abstract: A wireless power transmission apparatus includes a measurer configured to measure a value of a current flowing in a source resonator, a communication unit configured to receive a value of a charging current of a battery from a wireless power reception apparatus, and a power controller configured to control an amount of power to be transmitted by the source resonator based on either one or both of the value of the current measured by the measurer and the value of the charging current received by the communication unit. The value of the charging current of the battery varies as the battery is charged.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: November 22, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Ki Young Kim, Yun Kwon Park, Chi Hyung Ahn
  • WIRELESS POWER TRANSMISSION SYSTEM BASED ON CELL DIVISION
    Publication number: 20160336790
    Abstract: A wireless power transmission system based on cell division is provided. A communication and power control method of the wireless power transmission system, includes setting a magnetic coupling zone. The method further includes detecting a target device in the magnetic coupling zone. The method further includes transmitting a power to the target device. The method further includes adjusting an amount of the power based on a transmission efficiency of the power.
    Type: Application
    Filed: July 25, 2016
    Publication date: November 17, 2016
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Eun Seok PARK, Sang Wook KWON, Ki Young KIM, Nam Yun KIM, Dong Zo KIM, Yun Kwon PARK, Young Ho RYU, Chang Wook YOON, Jin Sung CHOI, Young Tack HONG
  • Source device and method for controlling magnetic field using two source resonators in wireless power transmission system
    Patent number: 9493084
    Abstract: A source device and a method for controlling a magnetic field using two source resonators in a wireless power transmission system are provided. A device configured to control a magnetic field, includes resonators configured to form the magnetic field to transmit power to another device. The device further includes a magnetic field shape determining unit configured to determine a shape of the magnetic field. The device further includes a phase changing unit configured to change a phase of at least one of the resonators to form the magnetic field in the determined shape.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: November 15, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ki Young Kim, Eun Seok Park, Jin Sung Choi, Sang Wook Kwon, Nam Yun Kim, Dong Zo Kim, Yun Kwon Park, Young Ho Ryu, Chang Wook Yoon, Young Tack Hong
  • Wireless power transmission system, and method of controlling resonance impedance and resonance frequency of wireless power transmission system
    Patent number: 9496718
    Abstract: A wireless power transmission system, and a method for controlling a resonance impedance and a resonance frequency of the wireless power transmission system are provided. According to one aspect, a wireless power transmitter may include: a power generator configured to generate tracking power using a resonance frequency, the tracking power being used for a resonance frequency tracking; a source resonator configured to transmit the tracking power to a target resonator; a mismatching detector configured to detect a mismatching between the target resonator and the source resonator; and a controller configured to adjust the resonance frequency, or an impedance of a repeater resonator when the mismatching is detected, the repeater resonator being used to perform an impedance matching between the target resonator and the source resonator.
    Type: Grant
    Filed: May 4, 2012
    Date of Patent: November 15, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Yun Kwon Park, Chang Wook Yoon
  • Photosensitive resin composition and color filter using the same
    Patent number: 9487694
    Abstract: Disclosed are a photosensitive resin composition including a composite dye that includes a red fluorescent dye re-emitting light at a 400 to 800 nm fluorescent wavelength; and a metal complex dye including at least one metal ion selected from Mg, Ni, Co, Zn, Cr, Pt, and Pd, and a color filter using the same.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: November 8, 2016
    Assignee: Cheil Industries Inc.
    Inventors: Ji-Yun Kwon, Youn-Je Ryu, Gyu-Seok Han, Hwan-Sung Cheon, Hyun-Yong Cho
  • Apparatus and method for communication using wireless power
    Patent number: 9484985
    Abstract: An apparatus and method are described that may enable a target device to communicate with a source device using a wireless power. The communication apparatus receives a wireless power from a source resonator through a magnetic coupling between the source resonator and a target resonator. The communication apparatus transmits a message, and modulates the message based on the received wireless power and impedance mismatch between the source device and the target device. The communication apparatus controls the impedance mismatch by changing an impedance of the target device.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: November 1, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Yun Kwon Park, Eun Seok Park, Young Tack Hong, Ki Young Kim, Young Ho Ryu, Dong Zo Kim, Jin Sung Choi, Chang Wook Yoon
  • Protector of rectifier and wireless power receiver including protector
    Patent number: 9484737
    Abstract: A protector that protects a rectifier, and a wireless power receiver including the protector are provided. In one embodiment, a protector for an electronic device may include: a switch configured to control current flow to a rectifier of the electronic device; and a switch controller configured to: compare, with a predetermined threshold value, a voltage difference between an output voltage of the rectifier and a voltage of the electronic device; and transmit a control signal to the switch (i) to discontinue current flow to the rectifier when the voltage difference is greater than the predetermined threshold value, and (ii) to enable current flow to rectifier when the voltage difference is less than or equal to the predetermined threshold value.
    Type: Grant
    Filed: December 15, 2011
    Date of Patent: November 1, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Zo Kim, Sang Wook Kwon, Yun Kwon Park, Eun Seok Park, Young Tack Hong, Ki Young Kim, Young Ho Ryu, Nam Yun Kim, Jin Sung Choi
  • Positive photosensitive resin composition, and photosensitive resin film and display device prepared by using the same
    Patent number: 9482943
    Abstract: Disclosed are a positive photosensitive resin composition including (A) an alkali soluble resin; (B) a photosensitive diazoquinone compound; (C) a first dissolution-controlling agent including at least one of compounds represented by the following Chemical Formula 1 or Chemical Formula 2; (D) a second dissolution-controlling agent including a compound represented by the following Chemical Formula 3; and (E) a solvent, and a photosensitive resin film and a display device using the same.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: November 1, 2016
    Assignee: Cheil Industries Inc.
    Inventors: Ji-Yun Kwon, Jin-Hee Kang, Dae-Yun Kim, Sang-Kyeon Kim, Sang-Soo Kim, Yong-Tae Kim, Kun-Bae Noh, Eun-Bi Park, Jae-Yeol Baek, Jae-Hwan Song, Eun-Kyoung Youn, Bum-Jin Lee, Jong-Hwa Lee, Jin-Young Lee, Chung-Beum Hong, Eun-Ha Hwang, In-Chul Hwang
  • Apparatus for controlling resonance frequency of device subject to wireless power transmission interference and method thereof
    Patent number: 9480145
    Abstract: Provided is an apparatus and method to control a resonance frequency of a device subject to wireless power transmission interference. The apparatus and method include supplying power from a printed circuit board (PCB) to an integrated circuit (IC) during exposure to a wireless power transmission environment experiencing mutual resonance. The apparatus and method also include a resonance frequency of the PCB based on a change in the supply of power.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: October 25, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Wook Yoon, Sang Wook Kwon, Nam Yun Kim, Dong Zo Kim, Yun Kwon Park
  • DISPLAY APPARATUS AND CONTROL METHOD THEREOF
    Publication number: 20160299683
    Abstract: A display apparatus and a control method thereof are provided. The display apparatus includes a display configured to display content, and a processor configured to divide a screen of the display into a first area and a second area, control the display to display, in the first area, a first portion of the content, and control the display to display, in the second area, a second portion of the content, the second portion continuing in substance from the first portion. The processor is further configured to control the display to change the first portion and the second portion based on an input with respect to the first area or the second area.
    Type: Application
    Filed: April 7, 2016
    Publication date: October 13, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Oh-yun KWON, Kyoung-oh CHOI, Qiuying WU
  • Photosensitive resin composition for display device insulation film, and display device insulation film and display device using same
    Patent number: 9465289
    Abstract: The present invention discloses a photosensitive resin composition for an insulating film of a display device including (A) an alkali soluble resin; (B) a photosensitive diazoquinone compound; (C) a color material having a maximum absorption wavelength of 400 to 550 nm; and (D) a solvent, an insulation film using the same, and a display device including the insulation film.
    Type: Grant
    Filed: April 9, 2013
    Date of Patent: October 11, 2016
    Assignee: Cheil Industries Inc.
    Inventors: Ji-Yun Kwon, Jin-Hee Kang, Yong-Tae Kim, Jong-Hwa Lee, Jin-Young Lee, Dae-Yun Kim, Sang-Kyun Kim, In-Chul Hwang
  • WIRELESS POWER TRANSMISSION AND CHARGING SYSTEM, AND RESONANCE FREQUENCY CONTROL METHOD OF WIRELESS POWER TRANSMISSION AND CHARGING SYSTEM
    Publication number: 20160294223
    Abstract: A wireless power transmission and charging system, and a communication method of the wireless power transmission and charging system are provided. In one embodiment, a resonance frequency control method of a wireless power transmitter may include: generating communication power used for communication in a plurality of target devices using a reference resonance frequency; transmitting communication power to the plurality of target devices; transmitting charging power to the plurality of target devices; and adjusting the reference resonance frequency based on a reflected wave of the charging power, the amount of power received by one or more of the target devices, the amount of the charging power, the transmission efficiency of the charging power, or any combination thereof.
    Type: Application
    Filed: April 1, 2016
    Publication date: October 6, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nam Yun KIM, Sang Wook KWON, Yun Kwon PARK
  • DISPLAY APPARATUS AND CONTROL METHOD THEREOF
    Publication number: 20160293139
    Abstract: A display apparatus including: a display configured to display an image; and at least one processor configured to, in response to beginning a viewer fatigue reduction function, determine whether a change characteristic of an image displayed on the display during a first time interval of an image signal corresponds to a suitable section for the viewer fatigue reduction function, and control the display to decrease a viewing fatigue level of the displayed image during the determined suitable section.
    Type: Application
    Filed: March 30, 2016
    Publication date: October 6, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Oh-yun KWON
  • POWER SUPPLY APPARATUS AND METHOD FOR WIRELESS POWER TRANSMISSION
    Publication number: 20160294226
    Abstract: Provided is an apparatus and method that may stably perform wireless transmission. According to one general aspect, a power supply for a wireless power transmitter may include: a detecting unit configured to detect voltage, current, or both supplied to a power amplifier (PA); a controller configured to determine power supplied to the PA based on the detected voltage, the detected current, or both, and to determine a reference current based on the determined power supplied to the PA; and a breaker configured to cut off the power supplied to the PA based on a comparison of current supplied to the PA and the reference current.
    Type: Application
    Filed: June 9, 2016
    Publication date: October 6, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nam Yun KIM, Sang Wook KWON, Yun Kwon PARK, Jin Sung CHOI
  • Apparatus and method of protecting power receiver of wireless power transmission system
    Patent number: 9444247
    Abstract: An apparatus and method of protecting a power receiver of a wireless power transmission system are provided. A wireless power receiver includes a rectifier comprising an input and an output, and configured to receive a signal through the input, to rectify the signal to produce a rectified signal, and to output the rectified signal through the output, and a capacitor connected to the output of the rectifier and to ground. The wireless power receiver further includes a direct current-to-direct current (DC/DC) converter connected to the output of the rectifier and to a load, and configured to convert the rectified signal to a power, and to provide the power to the load, and a device configured to create a short circuit to protect the rectifier and/or the capacitor when a voltage greater than a threshold voltage is applied to the input of the rectifier and/or the output of the rectifier.
    Type: Grant
    Filed: May 17, 2012
    Date of Patent: September 13, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Zo Kim, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Yun Kwon Park, Eun Seok Park, Young Ho Ryu, Chang Wook Yoon, Jin Sung Choi, Young Tack Hong
  • METHOD AND APPARATUS FOR TUNING CAN COMMUNICATION MODEL
    Publication number: 20160261467
    Abstract: A method of tuning a controller area network (CAN) communication model includes: measuring a CAN signal waveform, dividing the CAN signal waveform into a steady period and a dynamic period, determining a parameter for the steady period, determining a parameter for the dynamic period, modeling a CAN line using the parameter for the steady period and the parameter for the dynamic period, and performing error analysis on the CAN line.
    Type: Application
    Filed: July 14, 2015
    Publication date: September 8, 2016
    Inventors: Hae Yun Kwon, Xuefeng Jin, Jea Hong Park
  • Apparatus and method for wireless power reception
    Patent number: 9437362
    Abstract: An apparatus and a method for wireless power reception are provided. A wireless power receiver includes a receiving unit configured to wirelessly receive a power. The wireless power receiver further includes a power consuming unit configured to consume the power, until a voltage applied to a load reaches a predetermined value, so that an amount of a power transferred from the receiving unit to the load is less than or equal to an initial accommodation power amount of the load.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: September 6, 2016
    Assignees: Samsung Electronics Co., Ltd., IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Dong Zo Kim, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Seong Joong Kim, Yong Seong Roh, Young Jin Moon, Yun Kwon Park, Keum Su Song, Chang Sik Yoo, Chang Wook Yoon, Jin Sung Choi
  • Apparatus and method for wireless power transmission including a source resonator having a substantially uniform megnetic field
    Patent number: 9431707
    Abstract: A source resonator for wirelessly transmitting power to a target device may include a magnetic field distribution adjusting unit that is configured to adjust the magnetic field generated by the source resonator. In one or more embodiments, the magnetic field distribution adjusting unit may adjust the magnetic field to be substantially uniform in a predetermined vicinity of the source resonator. For example, the magnetic field distribution adjusting unit may adjust the intensity of the magnetic field near the center of the source resonator to be substantially the same as the intensity of the magnetic field near an edge area of the source resonator.
    Type: Grant
    Filed: January 27, 2012
    Date of Patent: August 30, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Ho Ryu, Eun Seok Park, Jeong Hae Lee, Sang Wook Kwon, Yun Kwon Park, Young Tack Hong, Ki Young Kim, Nam Yun Kim, Dong Zo Kim, Jin Sung Choi, Jae Hyun Park, Byung Chul Park