Patents by Inventor Kyoung-Doo Kang

Kyoung-Doo Kang 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: 7358669
    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: Grant
    Filed: February 15, 2005
    Date of Patent: April 15, 2008
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae-Ik Kwon, Won-Ju Yi, Kyoung-Doo Kang
  • Patent number: 7358671
    Abstract: A plasma display panel (PDP) includes first and second substrates opposing one another with a predetermined gap therebetween. The PDP also includes address electrodes formed on a surface of the first substrate opposing the second substrate, and barrier ribs formed in the gap between the first and second substrates. The barrier ribs define discharge cells, and a phosphor layer is formed in each of the discharge cells. Further, discharge sustain electrodes made of a metal material are formed on a surface of the second substrate opposing the first substrate. The discharge sustain electrodes include line sections, each pair of which is formed corresponding to each discharge cell, and extensions are formed extending from the line sections into each of the discharge cells to define openings. Also, indentations are formed in distal ends of each of the extensions such that discharge gaps of differing sizes are formed between each pair of the extensions.
    Type: Grant
    Filed: July 13, 2004
    Date of Patent: April 15, 2008
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae-Ik Kwon, Kyoung-Doo Kang
  • Patent number: 7358670
    Abstract: Provided is a plasma display panel (PDP) design that results in improved light emission efficiency and improved brightness and improved opening ratio. The PDP includes a transparent upper substrate, a lower substrate oriented parallel to the upper substrate, a first discharge electrode extending in a first direction on the lower substrate, a dielectric layer that covers the first discharge electrode, a plurality of barrier ribs made of a dielectric material between the upper and lower substrates dividing a space between the upper and the lower substrate into a plurality of discharge cells, a second discharge electrode within the barrier ribs and extending in a second direction to cross the first discharge electrode, a phosphor layer located within the discharge cell, and a discharge gas located within the discharge cell.
    Type: Grant
    Filed: May 24, 2005
    Date of Patent: April 15, 2008
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Kyoung-Doo Kang
  • Publication number: 20080084154
    Abstract: A plasma display panel and a method of manufacturing the same is provided. The plasma display panel includes a front substrate and a rear substrate spaced apart from each other. A plurality of electrode sheets are stacked between the front substrate and the rear substrate, and have apertures for forming a plurality of discharge spaces. The electrode sheets include a plurality of metal discharge electrodes extending so as to surround at least a part of each of the discharge spaces arranged in a column, and are separated from each other. Insulation members are located between the metal discharge electrodes, are formed of a oxide material of the metal of the metal discharge electrodes and insulate the metal discharge electrodes.
    Type: Application
    Filed: August 23, 2007
    Publication date: April 10, 2008
    Inventors: Byoung-Min Chun, Won-Ju Yi, Kyoung-Doo Kang, Yong-Shik Hwang, Tae-Seung Cho, Jong-Woo Choi, Seok-Gyun Woo, Jae-Ik Kwon, Young-Do Choi
  • Publication number: 20080067934
    Abstract: A plasma display panel. A first substrate and a second substrate are provided opposing one another with a predetermined gap therebetween. Address electrodes are formed on the second substrate. Barrier ribs are mounted between the first substrate and the second substrate, the barrier ribs defining a plurality of discharge cells and a plurality of non-discharge regions. Phosphor layers are formed within each of the discharge cells. Discharge sustain electrodes are formed on the first substrate. The non-discharge regions are formed in areas encompassed by discharge cell abscissas that pass through centers of adjacent discharge cells and discharge cell ordinates that pass through centers of adjacent discharge cells, the non-discharge regions having a width that is at least as large as a width of an end of barrier ribs. Also, a transverse barrier rib is formed extending between each pair of adjacent rows of discharge cells.
    Type: Application
    Filed: November 15, 2007
    Publication date: March 20, 2008
    Inventors: Woo-Tae Kim, Kyoung-Doo Kang, Hun-Suk Yoo, Seok-Gyun Woo, Jae-Ik Kwon
  • Patent number: 7345425
    Abstract: A plasma display panel having a new structure is provided. The plasma display panel includes a rear substrate, a front substrate spaced apart from the rear substrate, barrier ribs disposed between the front substrate and the rear substrate and defining a plurality of discharge cells, first discharge electrodes extending in a first direction and including a plurality of first loops surrounding the discharge cell, second discharge electrodes extending in a second direction, and including a plurality of second loops surrounding the discharge cell, and crossing the first discharge electrodes, and phosphor layers disposed in the discharge cells. The first discharge electrodes may operate as an address electrode, and the second discharge electrodes may operate as a scan electrode. The first loop and the second loop may have elliptical and circular shapes, respectively.
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: March 18, 2008
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kyoung-Doo Kang, Won-Ju Yi
  • Publication number: 20080054808
    Abstract: A plasma display panel includes first and second substrates facing each other, a first barrier rib structure between the first and second substrates, the first barrier rib structure including first and second barrier rib portions in communication with each other, a second barrier rib structure on the second substrate, the second barrier rib structure aligned with the first barrier rib portion to define a plurality of discharge cells, a plurality of discharge electrodes, each discharge electrode including a discharge part in the first barrier rib portion, a terminal part in communication with the second barrier rib portion, and a connection part between the discharge and terminal parts, a signal transmitting member with conductive wires, the conductive wires being connected to the terminal parts, a support part between the second substrate and the second barrier rib portion of the first barrier rib structure, and photoluminescent layers in the discharge cells.
    Type: Application
    Filed: August 24, 2007
    Publication date: March 6, 2008
    Inventors: Ho-Young Ahn, Won-Ju Yi, Kyoung-Doo Kang, Dong-Young Lee, Soo-Ho Park, Seok-Gyun Woo, Jae-Ik Kwon
  • Patent number: 7336034
    Abstract: A structure for connecting terminal parts of electrodes of a plasma display panel (PDP) includes a pair of substrates, barrier ribs arranged between the pair of substrates, a dielectric layer arranged between the pair of substrates, discharge electrodes, each having a discharge part arranged inside the barrier ribs, and an exposed part arranged at an end of the discharge part and outside the barrier ribs, terminal electrodes arranged on the dielectric layer, connection parts including conductive paste electrically connecting the exposed parts with the terminal electrodes, blocking partition walls arranged between the connection parts, and signal transmitting members electrically connected with the terminal electrodes.
    Type: Grant
    Filed: June 13, 2006
    Date of Patent: February 26, 2008
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae-Ik Kwon, Kyoung-Doo Kang, Won-Ju Yi, Seok-Gyun Woo
  • Publication number: 20080042572
    Abstract: A plasma display panel including a sustain electrode pair comprising an X electrode and a Y electrode that are separated from each other by a discharge gap, and a barrier rib formed on a second substrate facing the first substrate and including first barrier ribs and second barrier ribs that define a discharge cell. Assuming that L is a sum of a width of the discharge gap and widths of the X and Y electrodes, P is a pitch between neighboring second barrier ribs, and H is a height of the first barrier ribs, a value of H satisfies 200×L/P?25?H (?m)?200×L/P?5.
    Type: Application
    Filed: September 5, 2007
    Publication date: February 21, 2008
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Jae-Ik KWON, Kyoung-Doo KANG
  • Patent number: 7327083
    Abstract: A plasma display panel. A first substrate and a second substrate are provided opposing one another with a predetermined gap therebetween. Address electrodes are formed on the second substrate. Barrier ribs are mounted between the first substrate and the second substrate, the barrier ribs defining a plurality of discharge cells and a plurality of non-discharge regions. Phosphor layers are formed within each of the discharge cells. Discharge sustain electrodes are formed on the first substrate. The non-discharge regions are formed in areas encompassed by discharge cell abscissas and ordinates that pass through centers of each of the discharge cells. Also, external light absorbing members are formed between the second substrate and the barrier ribs layer at areas corresponding to locations of the non-discharge regions.
    Type: Grant
    Filed: June 14, 2004
    Date of Patent: February 5, 2008
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seok-Gyun Woo, Woo-Tae Kim, Kyoung-Doo Kang, Hun-Suk Yoo, Jae-Ik Kwon, Tae-Joung Kweon, Eun-Gi Heo
  • Patent number: 7323818
    Abstract: A plasma display panel includes a first substrate and a second substrate opposing one another with a predetermined gap therebetween. Address electrodes are formed on the second substrate. Barrier ribs are mounted in the gap between the first substrate and the second substrate to define a plurality of discharge cells. Phosphor layers are formed in each of the discharge cells. Discharge sustain electrodes are formed in a direction intersecting the address electrodes and paired such that each of the discharge cells is in communication with a pair of the discharge sustain electrodes. Each of the discharge sustain electrodes include extension sections that extend into the discharge cells such that a pair of opposing extension sections is formed in each of the discharge cells. Distal ends of each of the extension sections extended from at least one of each pair of the bus electrodes are formed having a concave section.
    Type: Grant
    Filed: December 23, 2003
    Date of Patent: January 29, 2008
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae-Ik Kwon, Kyoung-Doo Kang, Woo-Tae Kim, Hun-Suk Yoo, Seok-Gyun Woo
  • Publication number: 20080018251
    Abstract: Provided is a plasma display panel. The plasma display panel includes a plurality of substrates comprising a first substrate realizing an image and a second substrate, dielectric walls disposed between the first substrate and the second substrate and defining a plurality of discharge cells, a plurality of a pair of discharge electrodes buried in the dielectric walls and generating a discharge using power that is applied, and phosphor layers formed on the dielectric walls between the discharge electrodes. Luminance and light emitting efficiency of the plasma display panel increase since the distance between the discharge electrodes and the phosphor layers is close by covering the pair of discharge electrodes inside the dielectric walls defining the discharge cells with the plurality of substrates and forming the phosphor layers on the dielectric walls between the discharge electrodes.
    Type: Application
    Filed: July 13, 2007
    Publication date: January 24, 2008
    Inventors: Kyoung-Doo Kang, Won-Ju Yi, Ho-Young Ahn, Dong-Young Lee, Soo-Ho Park, Seok-Gyun Woo, Jae-Ik Kwon
  • Publication number: 20080018562
    Abstract: Provided is a PDP including a first substrate; sustain electrode pairs, each of which includes a main electrode unit separated from the first substrate, facing each other and elongated on a rear surface of the first substrate, and a plurality of protruding electrode units connecting to the main electrode unit on the same plane as that of the main electrode unit; side walls, which are formed of a dielectric material, disposed on the rear surface of the first substrate and surrounding the sustain electrode pairs while defining a plurality of discharge cells; a second substrate facing the first substrate; a plurality of address electrodes formed on a front surface of the second substrate; a second dielectric layer; barrier ribs defining a space between the first substrate and the second substrate into a plurality of discharge cells; and a phosphor material applied in the discharge cells.
    Type: Application
    Filed: April 18, 2007
    Publication date: January 24, 2008
    Inventors: Eun-Young Jung, Kyoung-Doo Kang
  • Publication number: 20080012495
    Abstract: A plasma display panel includes a first substrate and a second substrate, the second substrate disposed facing the first substrate, a dielectric wall disposed between the first and second substrates to define a plurality of discharge cells, a plurality of discharge electrode pairs buried within the dielectric wall, a plurality of phosphor layers formed in the discharge cells, and a gas exhaust path unit formed between the dielectric wall and at least one of the substrates.
    Type: Application
    Filed: July 5, 2007
    Publication date: January 17, 2008
    Inventors: Soo-Ho Park, Won-Ju Yi, Ho-Young Ahn, Kyoung-Doo Kang, Dong-Young Lee, Seok-Gyun Woo, Jae-Ik Kwon
  • Patent number: 7315122
    Abstract: A plasma display panel. A first substrate and a second substrate are provided opposing one another with a predetermined gap therebetween. Address electrodes are formed on the second substrate. Barrier ribs are mounted between the first substrate and the second substrate, the barrier ribs defining a plurality of discharge cells and a plurality of non-discharge regions. Phosphor layers are formed within each of the discharge cells. Discharge sustain electrodes are formed on the first substrate. The non-discharge regions are formed in areas encompassed by discharge cell abscissas and ordinates that pass through centers of each of the discharge cells. Further, each of the discharge cells is formed such that ends thereof increasingly decrease in width along a direction the discharge sustain electrodes are formed as a distance from a center of the discharge cells is increased along a direction the address electrodes are formed.
    Type: Grant
    Filed: January 2, 2004
    Date of Patent: January 1, 2008
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae-Ik Kwon, Kyoung-Doo Kang, Seok-Gyun Woo, Woo-Tae Kim, Hun-Suk Yoo
  • Patent number: 7312577
    Abstract: A plasma display panel with first and second substrates facing each other, and address electrodes formed on the second substrate. A partition wall is disposed between the first and the second substrates to separately partition a plurality of discharge cells. A phosphor layer is formed within each discharge cell. Discharge sustain electrodes are formed on the first substrate. A thickness of the phosphor layer is designed so that the resulting internal space has a shape corresponding to the diffusion shape of the plasma discharge generated within the discharge cell to optimize brightness of the image and to maximize light emission efficiency.
    Type: Grant
    Filed: June 23, 2004
    Date of Patent: December 25, 2007
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seok-Gyun Woo, Kyoung-Doo Kang, Woo-Tae Kim, Hun-Suk Yoo, Jae-Ik Kwon
  • Publication number: 20070241683
    Abstract: A plasma display panel includes first and second substrates parallel to one another, first barrier ribs between the first and second substrates to define a plurality of discharge cells, the first barrier ribs including a rough surface between the first substrate and the first barrier ribs, and a plurality of pairs of discharge electrodes in the first barrier ribs.
    Type: Application
    Filed: April 13, 2007
    Publication date: October 18, 2007
    Inventors: Kyoung-Doo Kang, Won-Ju Yi, Ho-Young Ahn, Soo-Ho Park, Seok-Gyun Woo, Jae-Ik Kwon
  • Publication number: 20070236146
    Abstract: Provided are a plasma display panel and a method of fabricating the same. The plasma display panel includes: a plurality of substrates including a first substrate and a second substrate, which oppose each other; barrier ribs disposed between the substrates and defining a plurality of discharge cells; discharge electrodes buried within the barrier ribs and causing a discharge by an applied power; and a plurality of phosphor layers formed within the discharge cells, wherein the barrier ribs are formed of a plurality of sheets for barrier ribs and the discharge electrodes are patterned in a selected region of the sheets for barrier ribs. Dielectric walls, which are disposed between the substrates and in which a plurality of discharge electrodes are buried, are fabricated using a plurality of sheets through independent processes and are combined with the substrates, such that processes are simplified and thermal deformation during a baking process is minimized.
    Type: Application
    Filed: April 9, 2007
    Publication date: October 11, 2007
    Inventors: Kyoung-Doo Kang, Won-Ju Yi, Ho-Young Ahn, Dong-Young Lee, Soo-Ho Park, Seok-Gyun Woo, Jae-Ik Kwon
  • Publication number: 20070236145
    Abstract: A plasma display panel (PDP) that is light in weight and low in manufacturing costs and a plasma display apparatus including the PDP. The PDP includes a substrate; a barrier rib structure disposed on the substrate to define a plurality of discharge cells; a sealing layer configured together with the substrate to seal the discharge cells and being formed of a substantially identical material as the barrier rib structure; a plurality of discharge electrode pairs extending along respective lines of the discharge cells to generate discharge in the discharge cells; and a plurality of phosphor layers disposed in the discharge cells.
    Type: Application
    Filed: April 11, 2007
    Publication date: October 11, 2007
    Inventors: Kyoung-Doo Kang, Won-Ju Yi, Ho-Young Ahn, Dong-Young Lee, Soo-Ho Park, Seok-Gyun Woo, Jae-Ik Kwon
  • Patent number: 7279836
    Abstract: A plasma display panel including a sustain electrode pair including an X electrode and a Y electrode that are separated from each other by a discharge gap, and a barrier rib formed on a second substrate facing the first substrate and including first barrier ribs and second barrier ribs that define a discharge cell. Assuming that L is a sum of a width of the discharge gap and widths of the X and Y electrodes, P is a pitch between neighboring second barrier ribs, and H is a height of the first barrier ribs, a value of H satisfies 200×L/P<25?H(?m)?200×L/P?5.
    Type: Grant
    Filed: February 11, 2005
    Date of Patent: October 9, 2007
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae-Ik Kwon, Kyoung-Doo Kang