Patents by Inventor Ki Hwan Kwon

Ki Hwan 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).

  • Patent number: 7872661
    Abstract: An image bearing structure includes an image drum including at least one slot, a plurality of ring electrodes formed on an outer circumference of the image drum, and a control board positioned within the slot of the image drum, and connected to the plurality of ring electrodes, to detect a defect of the ring electrodes. As a result, the image bearing structure detects a defect within a short time and without requiring a separate detecting device.
    Type: Grant
    Filed: July 28, 2008
    Date of Patent: January 18, 2011
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Seong-taek Lim, Soon-cheol Kweon, Seung-jin Oh, Ki-hwan Kwon
  • Publication number: 20110003412
    Abstract: An LED package includes a substrate having an electrically conductive portion and an electrically non-conductive portion composed of an oxide of the conductive portion; an LED mounted on the conductive portion and electrically connected to the conductive portion; a first electrode disposed on the non-conductive portion and electrically connected to the LED by a wire; and a second electrode disposed on the substrate and electrically connected to the LED.
    Type: Application
    Filed: September 16, 2010
    Publication date: January 6, 2011
    Applicant: SAMSUNG LED Co., Ltd.
    Inventors: Su-ho SHIN, Soon-cheol Kweon, Kyu-ho Shin, Ki-hwan Kwon, Seung-tae Choi, Chang-youl Moon
  • Patent number: 7821027
    Abstract: An LED package includes a substrate having an electrically conductive portion and an electrically non-conductive portion composed of an oxide of the conductive portion; an LED mounted on the conductive portion and electrically connected to the conductive portion; a first electrode disposed on the non-conductive portion and electrically connected to the LED by a wire; and a second electrode disposed on the substrate and electrically connected to the LED.
    Type: Grant
    Filed: April 21, 2006
    Date of Patent: October 26, 2010
    Assignee: Samsung LED Co., Ltd.
    Inventors: Su-ho Shin, Soon-cheol Kweon, Kyu-ho Shin, Ki-hwan Kwon, Seung-tae Choi, Chang-youl Moon
  • Patent number: 7796148
    Abstract: Provided are a toner supply roller and an image forming apparatus using the toner supply roller. The image forming apparatus employs a direct image developing technique, and includes the toner supply roller having a plurality of electrodes formed on an outer surface thereof to selectively supply toner to an image forming unit.
    Type: Grant
    Filed: May 6, 2009
    Date of Patent: September 14, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Soon-Cheol Kweon, Kyu-Ho Shin, Ki-Hwan Kwon
  • Patent number: 7781788
    Abstract: A light emitting device package including a transparent cover having an electrode pattern formed on a bottom surface thereof; a light emitting device installed below the transparent cover and electrically connected to an external circuit via the electrode pattern; a fixing resin which fixes the light emitting device onto the bottom surface of the transparent cover; and a metal slug provided under the fixing resin to dissipate heat away from the light emitting device.
    Type: Grant
    Filed: July 31, 2006
    Date of Patent: August 24, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Arthur Darbinian, Seung Tae Choi, Ki Hwan Kwon, Chang Youl Moon, Kyu Ho Shin
  • Publication number: 20100163542
    Abstract: An electronic device includes a case that is capable of controlling colors. The electronic device includes a case containing thermochromic pigments. The case includes a plurality of thermoelectric elements disposed at an internal surface. The case is coupled to a power source unit that supplies power to the plurality of thermoelectric elements and a temperature sensor that measuring a temperature of the plurality of thermoelectric elements. The electronic device includes an input unit for setting a color of the case and a controller for controlling power supply of the power source unit such that a temperature of the plurality of thermoelectric elements measured by the temperature sensor is included in a temperature range corresponding to a color input from the input unit.
    Type: Application
    Filed: December 30, 2009
    Publication date: July 1, 2010
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ki Hwan Kwon, Seong Yun Kim, Jung Suk Park
  • Patent number: 7741774
    Abstract: A method of fabricating a backlight module in which at least one luminescence element is positioned, including: positioning a luminescence element in at least one cavity formed on a carrier; forming a lower electrode on a substrate; transferring the luminescence element positioned on the carrier to the substrate, connecting the luminescence element to a pattern of the lower electrode formed on the substrate, and removing the carrier; forming an insulating layer on a surface of the substrate to which the luminescence element is transferred, and exposing a top region of the luminescence element; and forming an upper electrode on the exposed top region of the luminescence element. Accordingly, the backlight module including very small luminescence elements being of a micro unit in size is easily fabricated.
    Type: Grant
    Filed: November 29, 2006
    Date of Patent: June 22, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-tae Choi, Ki-hwan Kwon, Su-ho Shin, Ji-hyuk Lim, Chang-youl Moon, Kyu-ho Shin
  • Publication number: 20100033546
    Abstract: Provided are a toner supply roller and an image forming apparatus using the toner supply roller. The image forming apparatus employs a direct image developing technique, and includes the toner supply roller having a plurality of electrodes formed on an outer surface thereof to selectively supply toner to an image forming unit.
    Type: Application
    Filed: May 6, 2009
    Publication date: February 11, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: SOON-CHEOL KWEON, Kyu-ho Shin, Ki-hwan Kwon
  • Publication number: 20090180681
    Abstract: An image bearing structure includes an image drum including at least one slot, a plurality of ring electrodes formed on an outer circumference of the image drum, and a control board positioned within the slot of the image drum, and connected to the plurality of ring electrodes, to detect a defect of the ring electrodes. As a result, the image bearing structure detects a defect within a short time and without requiring a separate detecting device.
    Type: Application
    Filed: July 28, 2008
    Publication date: July 16, 2009
    Applicant: Samsung Electronics Co., Ltd
    Inventors: Seong-taek Lim, Soon-cheol Kweon, Seung-jin Oh, Ki-hwan Kwon
  • Publication number: 20090142712
    Abstract: A method of manufacturing an image forming element which can reduce a manufacturing time and a manufacturing cost with a simplified manufacturing process, an image forming element manufactured by the method, and an image forming apparatus having the same.
    Type: Application
    Filed: May 13, 2008
    Publication date: June 4, 2009
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ki-hwan Kwon, Soon-cheol Kweon, Chang-youl Moon, Seong-taek Lim
  • Publication number: 20080292814
    Abstract: An image forming element, a fabricating method of the image forming element, and an image forming apparatus having the image forming element is provided. The image forming element includes a drum body, a driving circuit mounted within the drum body, a support plate which penetrates through the drum body longitudinally along the drum body, the support plate being coupled to the driving circuit, an insulating layer formed on at least one portion of an outer circumference of the drum body, a conductive polymer layer formed on the insulating layer, the conductive polymer layer including one or more conductive areas and one or more insulating areas, which are aligned in an alternating pattern, and a protective layer formed on the conductive polymer layer, wherein the conductive areas on the conductive polymer layer are electrically connected to the driving circuit.
    Type: Application
    Filed: January 16, 2008
    Publication date: November 27, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Woon-bae KIM, Jong-oh Kwon, Seung-tae Choi, Chang-youl Moon, Soon-cheol Kwon, Ki-hwan Kwon
  • Publication number: 20080252712
    Abstract: An image forming element includes a drum body including a plurality of conductive layers and a plurality of insulating layers stacked on one another in an alternate pattern, in which a portion of each of the conductive layers extends towards a cavity defined within the conductive layers to form a plurality of electrodes, and a control unit disposed in the cavity, and including a plurality of electrode pads corresponding to the electrodes to provide an electrical connection to the respective electrodes. Structure and processes to fabricate an image forming element are simplified, and fabricating cost can be reduced.
    Type: Application
    Filed: September 14, 2007
    Publication date: October 16, 2008
    Inventors: Su-ho Shin, Chang-youl Moon, Ki-hwan Kwon, Yu-man Kim, Kyu-dong Jung
  • Publication number: 20080136889
    Abstract: An image forming element and its manufacturing apparatus and method are disclosed, in which manufacturing process steps can be simplified to reduce the cost and improve productivity. The manufacturing method of an image forming element includes respectively providing a mold and an image drum, forming line shaped conductive paste patterns on the mold, and transferring the conductive paste patterns from the mold onto the image drum.
    Type: Application
    Filed: April 13, 2007
    Publication date: June 12, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Eung-Yeoul Yoon, Kae Dong Back, Kyu Ho Shin, Jin Seung Choi, Soon Cheol Kweon, Su Ho Shin, Ki Hwan Kwon, Chang Youl Moon
  • Publication number: 20080131175
    Abstract: An image forming element includes an image drum including a plurality of ring electrodes and a slot. The plurality of ring electrodes are formed to be spaced apart from one another on a circumference of the image drum. The slot is formed in a longitudinal direction on the image drum. A connecting member includes a plurality of connecting electrodes and is disposed inside the image drum so that an end of the connecting member is received in the slot. The connecting electrodes are electrically connected with the ring electrodes one to one on the same line.
    Type: Application
    Filed: April 13, 2007
    Publication date: June 5, 2008
    Applicant: SAMSUNG ELECTRONICS., LTD.
    Inventors: Su Ho Shin, Kyu Ho Shin, Chang Youl Moon, Eung Yeoul Yoon, Jin Seung Choi, Ki Hwan Kwon
  • Publication number: 20080023687
    Abstract: A method of manufacturing a light emitting device includes: forming a plurality of independent light emitting portions on a growth substrate; separating the light emitting portions from the growth substrate; mounting the light emitting portions onto a receiving substrate; and dicing the receiving substrate, onto which the light emitting portions are mounted, into a light emitting unit. Residual stress, which occurs when the light emitting portions are separated from the substrate, can be reduced, and the light emitting portions can be mounted onto the receiving substrate in a fluid state, whereby the light emitting device can be easily mass produced with excellent quality, and its manufacturing costs can be reduced.
    Type: Application
    Filed: November 15, 2006
    Publication date: January 31, 2008
    Inventors: Seung Tae Choi, Hyun Soo Kim, Jin Seung Choi, Suk Jin Ham, Ki Hwan Kwon, Chang Youl Moon
  • Publication number: 20070290613
    Abstract: A method of fabricating a backlight module in which at least one luminescence element is positioned, including: positioning a luminescence element in at least one cavity formed on a carrier; forming a lower electrode on a substrate; transferring the luminescence element positioned on the carrier to the substrate, connecting the luminescence element to a pattern of the lower electrode formed on the substrate, and removing the carrier; forming an insulating layer on a surface of the substrate to which the luminescence element is transferred, and exposing a top region of the luminescence element; and forming an upper electrode on the exposed top region of the luminescence element. Accordingly, the backlight module including very small luminescence elements being of a micro unit in size is easily fabricated.
    Type: Application
    Filed: November 29, 2006
    Publication date: December 20, 2007
    Inventors: Seung-tae Choi, Ki-hwan Kwon, Su-ho Shin, Ji-hyuk Lim, Chang-youl Moon, Kyu-ho Shin
  • Publication number: 20070194336
    Abstract: A light emitting device package including: a heat dissipating substrate including a cavity; a first conductive pattern formed on the cavity; a light emitting device installed on the first conductive pattern; and a second conductive pattern formed on the heat dissipating substrate at a periphery of the first conductive pattern. The second conductive pattern is electrically separated from the first conductive pattern, and the first and second conductive patterns supply power required for operating the light emitting device.
    Type: Application
    Filed: September 14, 2006
    Publication date: August 23, 2007
    Inventors: Su-ho Shin, Kyu Ho Shin, Jin-seung Choi, Soon Cheol Kweon, Seung-tae Choi, Ki-hwan Kwon, Chang Youl Moon
  • Publication number: 20070145393
    Abstract: A light emitting device package including a transparent cover having an electrode pattern formed on a bottom surface thereof; a light emitting device installed below the transparent cover and electrically connected to an external circuit via the electrode pattern; a fixing resin which fixes the light emitting device onto the bottom surface of the transparent cover; and a metal slug provided under the fixing resin to dissipate heat away from the light emitting device.
    Type: Application
    Filed: July 31, 2006
    Publication date: June 28, 2007
    Inventors: Arthur Darbinian, Seung Tae Choi, Ki Hwan Kwon, Chang Youl Moon, Kyu Ho Shin
  • Publication number: 20070039164
    Abstract: An LED package and a fabrication method thereof are provided. The LED package includes an upper metal plate having an LED-receiving hole therein; a lower metal plate disposed under the upper metal plate; and an insulator which the upper metal plate and the lower metal plate from each other. A portion of the lower metal plate is exposed via the LED-receiving hole and an LED is mounted on the exposed portion of the lower metal plate and is electrically connected to both of the upper and lower metal plates. A protective cover encloses and protects exposed surfaces of the upper and lower metal plates.
    Type: Application
    Filed: May 3, 2006
    Publication date: February 22, 2007
    Inventors: Ki-hwan Kwon, Kyu-ho Shin, Soon-cheol Kweon, Chang-youl Moon, Arthur Darbinian, Seung-tae Choi, Su-ho Shin
  • Publication number: 20070023893
    Abstract: An LED package includes a substrate having an electrically conductive portion and an electrically non-conductive portion composed of an oxide of the conductive portion; an LED mounted on the conductive portion and electrically connected to the conductive portion; a first electrode disposed on the non-conductive portion and electrically connected to the LED by a wire; and a second electrode disposed on the substrate and electrically connected to the LED.
    Type: Application
    Filed: April 21, 2006
    Publication date: February 1, 2007
    Inventors: Su-ho Shin, Soon-cheol Kweon, Kyu-ho Shin, Ki-hwan Kwon, Seung-tae Choi, Chang-youl Moon