Patents by Inventor Won-Ju Yi

Won-Ju Yi 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: 20050264478
    Abstract: A Plasma Display Panel (PDP) includes: a front substrate; a rear substrate opposite to the front substrate; a dielectric wall arranged between the front and rear substrates to define discharge cells together with the front and rear substrates; pairs of discharge sustaining electrodes separately arranged along respective discharge cells and including a plurality of X electrodes and a plurality of Y electrodes buried in the dielectric wall; address electrodes arranged on the rear substrate and buried in a dielectric layer; and first, second, and third color phosphor layers coated in the discharge cells; wherein sectional areas of the X and Y electrodes vary with discharge distances of the X and Y electrodes with respect to portions of the X and Y electrodes where a discharge starts.
    Type: Application
    Filed: May 19, 2005
    Publication date: December 1, 2005
    Inventors: Jae-Ik Kwon, Won-Ju Yi
  • Publication number: 20050258747
    Abstract: A Plasma Display Panel (PDP) has a high aperture ratio of a discharge cell, a high light transmittance, and a high luminous efficiency and a stable and efficient discharge occurs uniformly at a low driving voltage on inner sidewalls of the discharge cell and concentrates in the center of the discharge cell.
    Type: Application
    Filed: April 29, 2005
    Publication date: November 24, 2005
    Inventors: Su-Bin Song, Kyoung-Doo Kang, Jun-Yong Park, Won-Ju Yi
  • Publication number: 20050258748
    Abstract: A Plasma Display Panel (PDP) includes: a first substrate; a second substrate facing the first substrate; first barrier ribs, formed of a dielectric material and arranged between the first and second substrates, the first barrier ribs defining discharge cells with the first and second substrates; a phosphor layer arranged in the discharge cells; upper discharge electrodes arranged in the first barrier ribs and extending to surround the discharge cells; and lower discharge electrodes arranged in the first barrier ribs to be separated from the upper discharge electrodes, and extending to surround the discharge cells; wherein at least one of the upper and lower discharge electrodes includes discharge units that are respectively divided into plural pieces separated from each other to surround the discharge cells, and connection units electrically connecting the discharge units that respectively surround the neighboring discharge cells.
    Type: Application
    Filed: April 29, 2005
    Publication date: November 24, 2005
    Inventors: Kyoung-Doo Kang, Won-Ju Yi
  • Publication number: 20050242723
    Abstract: A plasma display panel. The plasma display panel includes a first substrate made of a transparent material, a second substrate opposite to the first substrate, a first barrier rib being arranged between the first substrate and the second substrate, defining discharge cells together with the first and second substrates, and being made of a dielectric material, upper discharge electrodes being arranged within the first barrier rib and surrounding the discharge cells, lower discharge electrodes being arranged within the first barrier rib, separated from the upper discharge electrodes by a predetermined gap, and respectively being vertically symmetrical with the upper discharge electrodes, and a phosphor layer being arranged in the discharge cells.
    Type: Application
    Filed: March 4, 2005
    Publication date: November 3, 2005
    Inventors: Hun-Suk Yoo, Won-Ju Yi
  • Publication number: 20050242722
    Abstract: A plasma display panel. The plasma display panel includes a first substrate made of a transparent material, a second substrate opposite to the first substrate, a first partition wall being located between the first substrate and the second substrate, defining discharge cells together with the first and second substrates, and being made of a dielectric material, upper discharge electrodes being located in the first partition wall and surrounding the discharge cells, lower discharge electrodes being located in the first partition wall to surround the discharge cells and separated from the upper discharge electrodes by a predetermined gap, protrusive electrodes being located in the first partition wall between the upper discharge electrodes and the lower discharge electrodes, connected to one of the upper discharge electrodes and the lower discharge electrodes, and separated from the other discharge electrodes by a predetermined gap, and a phosphor layer arranged in the discharge cells.
    Type: Application
    Filed: February 23, 2005
    Publication date: November 3, 2005
    Inventors: Hun-Suk Yoo, Won-Ju Yi, Jeong-Chull Ahn
  • Publication number: 20050236986
    Abstract: A Plasma Display Panel (PDP) having an improved light emitting efficiency includes: a transparent upper substrate; a lower substrate arranged in parallel to the upper substrate; upper barrier ribs arranged between the upper substrate and the lower substrate, the upper barrier ribs including a dielectric and defining discharge cells with the upper and lower substrates; upper discharge electrodes arranged in the upper barrier ribs to surround the discharge cells; lower discharge electrodes arranged in the upper barrier ribs to surround the discharge cells, the lower discharge electrodes being separated from the upper discharge electrodes; lower barrier ribs of a closed type arranged under the upper barrier ribs, the lower barrier ribs having the same shape as those of the upper barrier ribs; a phosphor layer arranged in each of the discharge cells; and a discharge gas contained within each discharge cell.
    Type: Application
    Filed: February 17, 2005
    Publication date: October 27, 2005
    Inventors: Jae-Ik Kwon, Kyoung-Doo Kang, Won-Ju Yi
  • Publication number: 20050231112
    Abstract: A plasma display panel (PDP) and a method of manufacturing the same, where the PDP includes a front panel and a rear panel, which are disposed opposite to each other and bonded to each other. The front panel includes a front substrate, and the rear panel includes: a rear substrate disposed opposite to the front substrate; front barrier ribs, which are disposed on or above the rear substrate to define discharge cells and formed of a dielectric material; front discharge electrodes and rear discharge electrodes, which are disposed inside the front barrier ribs to surround the discharge cells and spaced apart from each other; and phosphor layers disposed in the discharge cells.
    Type: Application
    Filed: April 14, 2005
    Publication date: October 20, 2005
    Inventors: Seok-Gyun Woo, Won-Ju Yi, Kyoung-Doo Kang
  • Publication number: 20050231113
    Abstract: A plasma display panel (PDP) that has a front substrate, a rear substrate arranged opposite to the front substrate, closed-type front barrier ribs arranged between the front substrate and the rear substrate and formed of a dielectric material, the front barrier ribs defining discharge cells together with the front and rear substrates, front and rear discharge electrodes arranged within the front barrier ribs and surrounding the discharge cells and spaced apart from each other, phosphor layers arranged within the discharge cells and a discharge gas injected into discharge cells.
    Type: Application
    Filed: April 14, 2005
    Publication date: October 20, 2005
    Inventors: Kyoung-Doo Kang, Won-Ju Yi, Jae-Ik Kwon
  • Publication number: 20050231110
    Abstract: A Plasma Display Panel (PDP) includes: a first substrate; a second substrate facing the first substrate; a first barrier rib of a dielectric material disposed between the first and second substrates, and defining discharge cells with the first and second substrates; upper discharge electrodes, each including an upper discharge unit disposed in the first barrier rib to surround the discharge cell and a terminal unit protruding from the first barrier rib; lower discharge electrodes, each including a lower discharge unit disposed in the first barrier rib to surround the discharge cell and a terminal unit protruding from the first barrier rib, the lower discharge electrodes respectively separated from the upper discharge electrodes; a first extension barrier rib supporting the lower terminal unit to be at the same height as the lower discharge units; a phosphor layer disposed in the discharge cells; and a discharge gas filling the discharge cells.
    Type: Application
    Filed: April 13, 2005
    Publication date: October 20, 2005
    Inventors: Seok-Gyun Woo, Won-Ju Yi, Kyoung-Doo Kang
  • Publication number: 20050225245
    Abstract: A plasma display panel (PDP) having improved luminous efficiency may be constructed with an upper substrate, a lower substrate disposed parallel to the upper substrate, and a plurality of upper barrier ribs formed of a dielectric disposed between the upper substrate and the lower substrate. The upper barrier ribs, together with the upper substrate and the lower substrate, define discharge cells. A plurality of upper discharge electrodes are disposed to surround the discharge cell are embedded in the upper barrier ribs. A plurality of lower discharge electrodes that are spaced-apart from the upper discharge electrodes are embedded in the upper barrier ribs to surround the discharge cell. A plurality of lower barrier ribs are disposed between the upper barrier ribs and the lower substrate.
    Type: Application
    Filed: April 11, 2005
    Publication date: October 13, 2005
    Inventors: Seung-Beom Seo, Won-Ju Yi, Seok-Gyun Woo, Kyoung-Doo Kang, Seung-Uk Kwon
  • Publication number: 20050212423
    Abstract: The present invention provides a plasma display panel (PDP) with a structure that can reduce an outer reflection of an external light source and increase the reflection of visible rays emitted from the phosphor, remarkably increase the aperture ratio of the front panel, and remarkably reduce occurrence of a permanent residual image.
    Type: Application
    Filed: January 12, 2005
    Publication date: September 29, 2005
    Inventors: Jae-Ik Kwon, Kyoung-Doo Kang, Won-Ju Yi, Jeong-Chull Ahn, Eun-Young Jung
  • Publication number: 20050212424
    Abstract: A plasma display panel (PDP) which can reduce the cost and time of manufacturing a plasma display device, and which can improve heat transfer efficiency of a plasma display device, comprises: a transparent front substrate; a rear substrate disposed parallel to the front substrate; an electromagnetic wave shielding layer fixed on the front substrate; a plurality of discharge cells defined by barrier ribs disposed between the front substrate and the rear substrate; a plurality of address electrodes extending over the discharge cells and disposed in a given direction; a rear dielectric layer covering the address electrodes; a plurality of fluorescent layers disposed in the discharge cells; a plurality of sustaining electrode pairs extending in a direction which crosses the given direction of the address electrodes; a front dielectric layer covering the sustaining electrode pairs; and a discharge gas filling the discharge cells.
    Type: Application
    Filed: February 15, 2005
    Publication date: September 29, 2005
    Inventors: Jae-Ik Kwon, Won-Ju Yi, KyOung-doo Kang
  • Publication number: 20050140581
    Abstract: A method of driving a plasma display panel in which a plurality of sub-fields for time division gray-scale display exist in each frame which is a display period, and each of the sub-fields includes a reset period, an address period and a discharge-sustaining period. In the discharge-sustaining period, a sustaining pulse of a second level voltage based on a first level voltage is supplied to each Y-electrode line and X-electrode line according to a Y-supplied electrical-potential period and an X-supplied electrical-potential period. Each Y-supplied and X-supplied electrical-potential period includes a rising time to rise from the first level voltage to the second level voltage, a sustaining time to sustain the second level voltage, and a falling time to fall from the second level voltage to the first level voltage.
    Type: Application
    Filed: November 24, 2004
    Publication date: June 30, 2005
    Inventors: Kyoung-Doo Kang, Hun-Suk Yoo, Won-Ju Yi
  • Publication number: 20050116646
    Abstract: A plasma display panel capable of being fast driven with low voltage by reducing a distance between an address electrode and a Y electrode. The plasma display panel includes a pair of substrates, discharge electrodes, and an address electrode. The substrates are arranged at a predetermined interval to face each other and form a plurality of discharge spaces between facing surfaces of the substrates. The discharge electrodes are arranged at predetermined intervals between the substrates. The address electrode is arranged a predetermined distance apart from the discharge electrodes in a direction where the substrates are arranged, and defines each of the discharge spaces in cooperation with the discharge electrodes.
    Type: Application
    Filed: November 24, 2004
    Publication date: June 2, 2005
    Inventors: Hun-Suk Yoo, Won-Ju Yi, Kyoung-Doo Kang
  • Publication number: 20050093444
    Abstract: A plasma display panel includes a pair of substrates spaced apart from each other and facing each other, a visible light generator arranged between the pair of substrates, and an electrode layer adapted to apply the same potential to a plane arranged between the pair of substrates at a predetermined angle with respect to a direction perpendicular to the pair of substrates.
    Type: Application
    Filed: April 29, 2004
    Publication date: May 5, 2005
    Inventors: Seok-Gyun Woo, Kyoung-Doo Kang, Won-Ju Yi