Patents by Inventor Eung Chul Park

Eung Chul Park 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: 8188939
    Abstract: The present invention relates to a method and apparatus for driving a plasma display panel that can be driven at a low voltage and prevent undesired discharge from being generated under high temperature environment.
    Type: Grant
    Filed: October 22, 2007
    Date of Patent: May 29, 2012
    Assignee: LG Electronics Inc.
    Inventors: Sang Jin Yoon, Eung Chul Park, Bong Koo Kang, Jung Gwau Han
  • Patent number: 8188992
    Abstract: The present invention relates to a method and apparatus for driving a plasma display panel that can be driven at a low voltage and prevent undesired discharge from being generated under high temperature environment.
    Type: Grant
    Filed: October 22, 2007
    Date of Patent: May 29, 2012
    Assignee: LG Electronics Inc.
    Inventors: Sang Jin Yoon, Eung Chul Park, Bong Koo Kang, Jung Gwan Han
  • Patent number: 8184072
    Abstract: The present invention relates to a method and apparatus for driving a plasma display panel that can be driven at a low voltage and prevent undesired discharge from being generated under high temperature environment.
    Type: Grant
    Filed: October 22, 2007
    Date of Patent: May 22, 2012
    Assignee: LG Electronics Inc.
    Inventors: Sang Jin Yoon, Eung Chul Park, Bong Koo Kang, Jung Gwan Han
  • Patent number: 8144082
    Abstract: The present invention relates to a method and apparatus for driving a plasma display panel that can be driven at a low voltage and prevent undesired discharge from being generated under high temperature environment.
    Type: Grant
    Filed: October 22, 2007
    Date of Patent: March 27, 2012
    Assignee: LG Electronics Inc.
    Inventors: Sang Jin Yoon, Eung Chul Park, Bong Koo Kang, Jung Gwan Han
  • Patent number: 7642717
    Abstract: The present invention relates to a plasma display panel, more particularly, to a plasma display panel apparatus and manufacturing method of the same, which is capable of minimizing a gap between a seal layer and a UV Ultra Violet ray / silicon desiccant layer due to an air bubble, when the front panel and the rear panel of the plasma display panel are in the sealing process. A plasma display panel according to the present invention includes a front substrate; a rear substrate; a seal layer which is formed between the front panel and the rear panel; and a desiccant layer which is in contact with the front panel, the rear panel and the seal layer.
    Type: Grant
    Filed: March 10, 2006
    Date of Patent: January 5, 2010
    Assignee: LG Electronics Inc.
    Inventors: Chang Hyun Kim, Eung Chul Park
  • Patent number: 7569992
    Abstract: Disclosed are a plasma display panel and a method of manufacturing the same. The plasma display panel according to the present invention comprises a front panel comprising a protective layer and a rear panel disposed apart from the front panel by a predetermined distance. The protective layer comprising magnesium oxide (MgO) is doped with scandium (Sc) and calcium (Ca). The plasma display panel according to the present invention has the advantage of excellent temperature-dependent panel characteristic. The plasma display panel according to the present invention also has the further advantage of excellent voltage margin of the address voltage.
    Type: Grant
    Filed: January 4, 2006
    Date of Patent: August 4, 2009
    Assignee: LG Electronics Inc.
    Inventors: Jeong Sik Choi, Eung Chul Park
  • Publication number: 20080117141
    Abstract: The present invention relates to a method and apparatus for driving a plasma display panel that can be driven at a low voltage and prevent undesired discharge from being generated under high temperature environment.
    Type: Application
    Filed: October 22, 2007
    Publication date: May 22, 2008
    Inventors: Sang Jin Yoon, Eung Chul Park, Bong Koo Kang, Jung Gwau Han
  • Patent number: 7286102
    Abstract: The present invention relates to a method and apparatus for driving a plasma display panel that can be driven at a low voltage and prevent undesired discharge from being generated under high temperature environment. A method and apparatus for driving a plasma display panel according to an embodiment of the present invention includes a first step of applying an initialization signal to the first and second electrodes to initialize cells, the initialization signal has at least one rising part where a voltage rises and at least one sustain part where the voltage is sustained; a second step of applying a scan signal to any one of the first and second electrodes, and data to the third electrode to select the cell; and a third step of alternately applying sustain signals to the first and second electrodes to carry out a display for the selected cell.
    Type: Grant
    Filed: May 5, 2003
    Date of Patent: October 23, 2007
    Assignee: LG Electronics Inc.
    Inventors: Sang Jin Yoon, Eung Chul Park, Bong Koo Kang, Jung Gwan Han
  • Patent number: 7166961
    Abstract: An improved protective film for a plasma display panel and a fabricating method thereof are provided. The improved protective film has magnesium oxide (MgO) as its main component, and uses a slight addition of silicon (Si) to improve jitter characteristics experienced during the address period.
    Type: Grant
    Filed: October 2, 2003
    Date of Patent: January 23, 2007
    Assignee: LG Electronics, Inc.
    Inventor: Eung Chul Park
  • Patent number: 6995104
    Abstract: It is an object of the present invention to provide a polycrystalline MgO deposition material which is capable of obtaining a good discharge response characteristic over a wide temperature range. Additionally, it is another object of the present invention to provide a plasma display panel with an improved luminance and a material for the plasma display panel which can remarkably reduce the number of address ICs without lowering the panel luminance. In order to achieve the objects, there is provided an improvement of a polycrystalline MgO deposition material for a passivation layer of the plasma display panel. A characteristic structure is that the polycrystalline MgO deposition material is formed of a sintered pellet of polycrystalline MgO, of which MgO purity is more than 99.9% and relative density is more than 90%. Further, a Si concentration in the polycrystalline MgO is more than 30 ppm and less than 500 ppm.
    Type: Grant
    Filed: October 10, 2003
    Date of Patent: February 7, 2006
    Assignees: LG Electronics Inc., Mitsubishi Materials Corporation
    Inventors: Eung Chul Park, Hideaki Sakurai, Yoshirou Kuromitsu, Ginjiro Toyoguchi
  • Publication number: 20040131884
    Abstract: It is an object of the present invention to provide a polycrystalline MgO deposition material which is capable of obtaining a good discharge response characteristic over a wide temperature range. Additionally, it is another object of the present invention to provide a plasma display panel with an improved luminance and a material for the plasma display panel which can remarkably reduce the number of address ICs without lowering the panel luminance. In order to achieve the objects, there is provided an improvement of a polycrystalline MgO deposition material for a passivation layer of the plasma display panel. A characteristic structure is that the polycrystalline MgO deposition material is formed of a sintered pellet of polycrystalline MgO, of which MgO purity is more than 99.9% and relative density is more than 90%. Further, a Si concentration in the polycrystalline MgO is more than 30 ppm and less than 500 ppm.
    Type: Application
    Filed: October 10, 2003
    Publication date: July 8, 2004
    Inventors: Eung Chul Park, Hideaki Sakurai, Yoshirou Kuromitsu, Ginjiro Toyoguchi
  • Publication number: 20040070341
    Abstract: A protective film of a plasma display panel and a fabricating method thereof that are adaptive for reducing a jitter value of an address period. In the protective film and the fabricating method thereof, the protective film having a main component of magnesium oxide (MgO) and an addition of silicon (Si) less than 500 ppm is formed on the plasma display panel.
    Type: Application
    Filed: October 2, 2003
    Publication date: April 15, 2004
    Applicant: LG Electronics Inc.
    Inventor: Eung Chul Park
  • Publication number: 20030222835
    Abstract: The present invention relates to a method and apparatus for driving a plasma display panel that can be driven at a low voltage and prevent undesired discharge from being generated under high temperature environment.
    Type: Application
    Filed: May 5, 2003
    Publication date: December 4, 2003
    Inventors: Sang Jin Yoon, Eung Chul Park, Bong Koo Kang, Jung Gwan Han
  • Patent number: 6335207
    Abstract: A method for fabricating a ferroelectric thin film, capable of preventing degradation due to fatigue and aging of a ferroelectric thin film of PZT and enabling crystallization at a low temperature. The ferroelectric thin film fabrication method includes the steps of forming an insulation layer on one side of a semiconductor substrate, forming an electrode layer on the insulation layer, forming a ferroelectric layer on the electrode layer, and performing an ion damage processing on the ferroelectric layer using an ionized gas.
    Type: Grant
    Filed: December 28, 2000
    Date of Patent: January 1, 2002
    Inventors: Seung Ki Joo, Jang Sik Lee, Eung Chul Park