Patents by Inventor Bong-Chul Kim

Bong-Chul 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: 20140265615
    Abstract: A method and an apparatus for controlling wireless power transmission are provided. An apparatus for controlling wireless power transmission includes a controller configured to determine an output voltage of a power factor correction unit based on charging information of a battery, the power factor correction unit configured to correct an input voltage into the determined output voltage, and output a variable voltage, and a resonance unit configured to transmit power converted from the variable voltage to a wireless power reception apparatus.
    Type: Application
    Filed: January 16, 2014
    Publication date: September 18, 2014
    Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Bong Chul KIM, Sang Wook KWON, Ki Young KIM, Nam Yun KIM, Gun Woo MOON, Sang Cheol MOON, Chi Hyung AHN, Shin Young CHO
  • Publication number: 20140203895
    Abstract: A resonator having increased isolation includes a first resonator having first characteristics, and configured to resonate with another resonator having the first characteristics; and a second resonator having second characteristics, and configured to resonate with another resonator having the second characteristics; wherein the resonator has an arrangement and a structure that minimizes a coupling between the first resonator and the second resonator.
    Type: Application
    Filed: January 22, 2014
    Publication date: July 24, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Hyun Park, Dong Zo Kim, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Bong Chul Kim, Yun Kwon Park, Keum Su Song, Chi Hyung Ahn, Young Ho Ryu, Chang Wook Yoon, Byoung Hee Lee
  • Publication number: 20140204860
    Abstract: A reception (RX) node using mutual resonance includes a target resonator configured to receive power via mutual resonance with a source resonator; a controller configured to wake up in response to the received power, determine a point in time at which the controller woke up to be a point in time at which synchronization with other RX nodes is performed, and generate a data packet, and a sensor configured to wake up in response to the received power, sense information.
    Type: Application
    Filed: January 15, 2014
    Publication date: July 24, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong Zo Kim, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Bong Chul Kim, Yun Kwon Park, Jae Hyun Park, Keum Su Song, Chi Hyung Ahn, Young Ho Ryu, Chang Wook Yoon, Byoung Hee Lee
  • Publication number: 20140197783
    Abstract: An apparatus configured to transmit power, and transceive data, using mutual resonance, includes a power transmitter configured to wirelessly transmit power to a device, using a power transmission frequency as a resonant frequency. The apparatus further includes a communication unit configured to transceive data to and from the device, using a communication frequency as a resonant frequency. The apparatus further includes a controller configured to determine a charging state of the device based on the data received from the device, and control an amount of the power based on the charging state.
    Type: Application
    Filed: November 6, 2013
    Publication date: July 17, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong Zo KIM, Sang Wook KWON, Ki Young KIM, Nam Yun KIM, Bong Chul KIM, Yun Kwon PARK, Jae Hyun PARK, Keum Su SONG, Chi Hyung AHN, Young Ho RYU, Chang Wook YOON, Byoung Hee LEE
  • Publication number: 20140147967
    Abstract: A method of manufacturing an oxide thin film transistor includes forming a gate electrode on a substrate; forming a gate insulating film the gate electrode; forming an oxide semiconductor layer on the gate insulating film; sequentially forming a lower data metal layer and an upper data metal layer on including the oxide semiconductor layer; forming an upper source pattern and an upper drain pattern by patterning the upper data metal layer by a wet etching; forming a lower source pattern and a lower drain pattern by patterning the lower data metal layer by a dry etching using the upper source pattern and the upper drain pattern as a mask to form a source electrode and a drain electrode; forming a first passivation film on the source and drain electrodes; performing a heat treatment on the oxide semiconductor layer; and forming a second passivation film on the first passivation film.
    Type: Application
    Filed: October 16, 2013
    Publication date: May 29, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Sang-Moo Park, Bong-Chul Kim, Chan-Ki Ha, Jin-Woo Kwon, Heung-Jo Lee
  • Patent number: 8675156
    Abstract: A color filter substrate for a liquid crystal display device includes a transparent insulation substrate, a black matrix defining first and second pixel areas on the transparent insulation substrate, and a color filter in the first and second pixel areas for displaying first and second colors, respectively, wherein a surface of the black matrix having recesses at sides thereof adjacent to the first and second pixel areas, respectively, for preventing an overflow of the first color from the first pixel area into the second pixel area.
    Type: Grant
    Filed: December 27, 2006
    Date of Patent: March 18, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Se Jong Shin, Bong Chul Kim, Tae Hyung Lee, Hong Myeong Jeon, Jun Kyu Park
  • Patent number: 8648984
    Abstract: A color filter substrate for a liquid crystal display device and a method of fabricating the same includes black matrixes on a transparent insulating substrate, the black matrixes defining pixel areas and having a first region and a second region, color filters in the pixel areas and having areas overlapping the first region of the black matrixes, and ball spacers above the second region of the black matrixes, wherein a thickness of the first region is greater than a thickness of the second region.
    Type: Grant
    Filed: December 29, 2006
    Date of Patent: February 11, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Bong Chul Kim, Jun Beom Cho, Seung Hyung Lee, Kyo Yong Koo, Hyeon Jin Seo, Dhang Kwon, Robert Taff
  • Publication number: 20130163290
    Abstract: There is provided an LLC type power supply apparatus for controlling switching of a secondary side rectifier based on primary side current, particularly, controlling switching of the secondary-side rectifier based on primary side resonance current and magnetizing current. The power supply apparatus includes: a switching unit switching input power; a transformer unit transforming the switched power from the switching unit; a rectifying unit including a rectifier turned on and turned off in response to a control signal to rectify the transformed power; a controlling unit controlling the switching of the switching unit, based on an output power of the rectifying unit; and a switching controlling unit controlling turning-on and turning-off of the rectifier of the rectifying unit, based on current flowing in the transformer unit.
    Type: Application
    Filed: April 6, 2012
    Publication date: June 27, 2013
    Inventors: Gun Woo Moon, Bong Chul Kim, Jin Wook Kim, Chong Eun Kim, Dong Jin Park, Don Sik Kim, Hong Sun Park
  • Patent number: 8363428
    Abstract: The present invention relates to an adapter power supply, which includes a switching unit for switching a DC voltage; a transformer which has a primary winding connected to the switching unit, a secondary winding electromagnetically coupled to the primary winding, and an auxiliary winding electromagnetically coupled to the primary winding; a rectifier for rectifying a voltage outputted from the transformer; and a controller for controlling the switching unit to operate according to the PWM scheme in a normal operation mode, and to operate according to a quasi-resonant scheme in a standby mode, by detecting information of a load connected to the rectifier.
    Type: Grant
    Filed: September 30, 2009
    Date of Patent: January 29, 2013
    Assignee: Samsung Electro-Mechanics Co. Ltd.
    Inventors: Gun Woo Moon, Byeong Woo Ryu, Seong Wook Choi, Bong Chul Kim, Dong Seong Oh
  • Patent number: 8354142
    Abstract: A method for coating a polyimide layer includes, placing a substrate on a print table; jetting polyimide liquid onto the substrate from a jetting surface provided over the print table; and wiping the jetting surface by moving a wiper from one side of the jetting surface to another side of the jetting surface while the wiper contacts the jetting surface, wherein the wiper is made of one of a perfluoro-based polymer.
    Type: Grant
    Filed: January 21, 2010
    Date of Patent: January 15, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Ki Du Cho, Bong Chul Kim, Hui Jae Lee, Sun Ja Kim, Hwang Un Seo, Hang Sup Cho, Eun Mi Kim
  • Patent number: 8345212
    Abstract: Provided are an LCD device and a method for manufacturing the same. The LCD device includes a first substrate, a second substrate, a spacer interposed between the first substrate and the second substrate, and a barrier. The barrier is disposed at least one of the first substrate and the second substrate to control the movement of the spacer. In the method, the first substrate is formed. The second substrate is formed. The barrier is formed on at least one of the first substrate and the second substrate. The spacer is disposed within the barrier. Since the LCD device controls the movement of the spacer, a high aperture ratio is realized.
    Type: Grant
    Filed: December 27, 2007
    Date of Patent: January 1, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Bong Chul Kim, Seung Hyun Lee, Dhang Kwon
  • Patent number: 8305544
    Abstract: A liquid crystal display (LCD) device and a method for manufacturing the same are discussed. According to an embodiment, the liquid crystal display device includes a first substrate and a second substrate facing each other, wherein each of the first and second substrates includes pixel regions to form a matrix, a black matrix layer arranged in a region other than the pixel regions gate lines and data lines arranged in a portion corresponding to the black matrix layer spacers arranged in predetermined portions provided on the black matrix layer wherein each of the plurality of spacers includes one or more balls, and a solid to adhere the one or more balls to the first or second substrate, and a liquid crystal layer filled between the first substrate and the second substrate.
    Type: Grant
    Filed: September 15, 2011
    Date of Patent: November 6, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Bong Chul Kim, Hyeon Jin Seo, Jeong Hoon Lee, Dhang Kwon, Hang Sup Cho, Ho Su Kim
  • Patent number: 8305542
    Abstract: A thin film transistor array substrate comprises thin film transistors and pixel electrodes formed at respective pixels that are defined by gate lines and data lines that orthogonally intersect each other. The thin film transistor array substrate further comprises a plurality of gate pad units that group a plurality of gate pads extended from the gate lines, and a plurality of data pad units that groups a plurality of data pads extended from the data lines. The thin film transistor array substrate further includes a plurality of gate test terminals connected to the gate pad units and beside at least one side of the respective gate pad units, and a plurality of data test terminals connected to the data pad units and located beside at least one side of the respective data pad units.
    Type: Grant
    Filed: July 11, 2011
    Date of Patent: November 6, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Dong Woo Kang, Soung Yeoul Eom, Bong Chul Kim, Ki Soub Yang
  • Patent number: 8228466
    Abstract: A liquid crystal display comprises a matrix pattern formed in a double layer comprising a lower pattern having a hydrophilic property on a substrate, and a black matrix having a hydrophobic property on the lower pattern; and color filters formed in the pixel area.
    Type: Grant
    Filed: April 7, 2011
    Date of Patent: July 24, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Dong Woo Kang, So Jong Shin, Bong Chul Kim, Ki Soub Yang, Tae Hyung Lee, Hak Woon Kim, Hong Myeong Jeon
  • Patent number: 8174665
    Abstract: Disclosed is a liquid crystal display (LCD) device and a method for manufacturing the same, capable of maintaining a cell gap and preventing press defects caused by application of a predetermined external pressure via the use of ball spacers.
    Type: Grant
    Filed: March 28, 2011
    Date of Patent: May 8, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Bong Chul Kim, Hyeon Jin Seo, Dhang Kwon, Hang Sup Cho, Ho Su Kim
  • Publication number: 20120008084
    Abstract: A liquid crystal display (LCD) device and a method for manufacturing the same are discussed. According to an embodiment, the liquid crystal display device includes a first substrate and a second substrate facing each other, wherein each of the first and second substrates includes pixel regions to form a matrix, a black matrix layer arranged in a region other than the pixel regions gate lines and data lines arranged in a portion corresponding to the black matrix layer spacers arranged in predetermined portions provided on the black matrix layer wherein each of the plurality of spacers includes one or more balls, and a solid to adhere the one or more balls to the first or second substrate, and a liquid crystal layer filled between the first substrate and the second substrate.
    Type: Application
    Filed: September 15, 2011
    Publication date: January 12, 2012
    Inventors: Bong Chul KIM, Hyeon Jin Seo, Jeong Hoon Lee, Dhang Kwon, Hang Sup Cho, Ho Su Kim
  • Publication number: 20110287561
    Abstract: A thin film transistor array substrate comprises thin film transistors and pixel electrodes formed at respective pixels that are defined by gate lines and data lines that orthogonally intersect each other. The thin film transistor array substrate further comprises a plurality of gate pad units that group a plurality of gate pads extended from the gate lines, and a plurality of data pad units that groups a plurality of data pads extended from the data lines. The thin film transistor array substrate further includes a plurality of gate test terminals connected to the gate pad units and beside at least one side of the respective gate pad units, and a plurality of data test terminals connected to the data pad units and located beside at least one side of the respective data pad units.
    Type: Application
    Filed: July 11, 2011
    Publication date: November 24, 2011
    Applicant: Lg Display Co., Ltd.
    Inventors: Dong Woo Kang, Soung Yeoul Eom, Bong Chul Kim, Ki Soub Yang
  • Patent number: 8040485
    Abstract: A liquid crystal display (LCD) device and a method for manufacturing the same are discussed. According to an embodiment, the liquid crystal display device includes a first substrate and a second substrate facing each other, wherein each of the first and second substrates includes pixel regions to form a matrix, a black matrix layer arranged in a region other than the pixel regions gate lines and data lines arranged in a portion corresponding to the black matrix layer spacers arranged in predetermined portions provided on the black matrix layer wherein each spacer includes one or more balls, and a solid to adhere the balls to the first or second substrate, and a liquid crystal layer filled between the first substrate and the second substrate.
    Type: Grant
    Filed: September 18, 2008
    Date of Patent: October 18, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Bong Chul Kim, Hyeon Jin Seo, Jeong Hoon Lee, Dhang Kwon, Hang Sup Cho, Ho Su Kim
  • Patent number: 7999901
    Abstract: A thin film transistor array substrate comprises thin film transistors and pixel electrodes formed at respective pixels that are defined by gate lines and data lines that orthogonally intersect each other. The thin film transistor array substrate further comprises a plurality of gate pad units that group a plurality of gate pads extended from the gate lines, and a plurality of data pad units that groups a plurality of data pads extended from the data lines. The thin film transistor array substrate further includes a plurality of gate test terminals connected to the gate pad units and beside at least one side of the respective gate pad units, and a plurality of data test terminals connected to the data pad units and located beside at least one side of the respective data pad units.
    Type: Grant
    Filed: June 29, 2006
    Date of Patent: August 16, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Dong Woo Kang, Soung Yeoul Eom, Bong Chul Kim, Ki Soub Yang
  • Patent number: 7995164
    Abstract: An array substrate for a liquid crystal display (LCD) device includes a substrate having a display region and a non-display region at periphery portions of the display region, the non-display region including first, second, third and fourth regions; a plurality of gate lines parallel to the second and fourth regions, the plurality of gate lines including a first gate line closest to the second region and a second gate line closest to the fourth region; a plurality of data lines parallel to the first and third regions and crossing the plurality of gate lines to define a plurality of pixel regions in the display region, the plurality of data lines including a first data line closest to the first region; and a light-shielding portion corresponding to the non-display region and disposed at the same layer as at least one of the gate line and the data line, the light-shielding portion including first, second, third and fourth portions corresponding to the first, second, third and fourth regions, respectively.
    Type: Grant
    Filed: April 20, 2005
    Date of Patent: August 9, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Jong-Jin Park, Won-Gyun Youn, Kwang-Sik Oh, Myung-Woo Nam, Ki-Du Cho, Se-Jong Shin, Bong-Chul Kim, Kwon-Seob Choi