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: 20080106196
    Abstract: A flexible plasma display panel including a display area defined by a first substrate and a second substrate, which are disposed to face each other to form discharge spaces therebetween, wherein the first substrate and the second substrate are flexible and include a plurality of electrodes; and a sealing area for sealing the first substrate and the second substrate by compressing the first and second substrates on edges of the display area.
    Type: Application
    Filed: May 9, 2007
    Publication date: May 8, 2008
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Seok-Gyun WOO, Jae-Ik Kwon, Won-Ju Yi, Kyoung-Doo Kang, Ho-Young Ahn, Soo-Ho Park
  • Publication number: 20080100217
    Abstract: A plasma display apparatus and manufacturing method. The plasma display apparatus includes a front substrate and a rear substrate. The rear substrate is formed of a metallic substance in which a plurality of grooves are formed on a surface facing the front substrate. An oxidation layer covers at least the surface facing the front substrate. A plurality of barrier ribs are located between the front and rear substrates and define a plurality of discharge cells corresponding to the grooves of the rear substrate. A plurality of discharge electrodes are located in the barrier ribs, surround at least portions of the discharge cells, and are separated from one another. A plurality of fluorescent substances are located in the grooves of the rear substrate. A discharge gas is filled in the discharge cells.
    Type: Application
    Filed: September 24, 2007
    Publication date: May 1, 2008
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Yong-Shik Hwang, Won-Ju Yi, Kyoung-Doo Kang, Jae-Ik Kwon
  • Patent number: 7365491
    Abstract: A plasma display panel includes a back substrate having back barrier ribs partitioning a plurality of discharge cells; a front substrate arranged to be opposite to the back substrate and having front barrier ribs partitioning the discharge cells in cooperation with the back barrier ribs; back discharge electrodes arranged within the back barrier ribs to enclose the discharge cells; front discharge electrodes arranged within the front barrier ribs to enclose the discharge cells; phosphor layers arranged within the discharge cells; and discharge gas arranged within the discharge cells.
    Type: Grant
    Filed: November 28, 2005
    Date of Patent: April 29, 2008
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kyoung-Doo Kang, Won-Ju Yi
  • 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
  • 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
  • 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
  • Publication number: 20080048549
    Abstract: Example embodiments relate to a plasma display panel and a method of forming the same, having a first substrate, a second substrate, a barrier rib interposed between the first substrate and the second substrate, a plurality of grooves formed in the second substrate so as to define discharge cells, a barrier rib electrode including a discharge portion located within the barrier rib to perform a discharge, a contact portion exposed from a surface of the barrier rib, and an intermediate portion connecting the discharge portion and the contact portion, and a terminal electrode on at least one of the first and second substrates such that one end of the terminal electrode may be electrically connected to a signal transmission element and other end thereof may be electrically connected to the contact portion of the barrier rib electrode.
    Type: Application
    Filed: August 24, 2007
    Publication date: February 28, 2008
    Inventors: Ho-Young Ahn, Won-Ju Yi, Kyong-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
  • Patent number: 7327084
    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: Grant
    Filed: February 23, 2005
    Date of Patent: February 5, 2008
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hun-Suk Yoo, Won-Ju Yi, Jeong-Chull Ahn
  • 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: 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
  • 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: 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
  • 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
  • Patent number: 7279837
    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: Grant
    Filed: January 12, 2005
    Date of Patent: October 9, 2007
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae-Ik Kwon, Kyoung-Doo Kang, Won-Ju Yi, Jeong-Chull Ahn, Eun-Young Jung
  • Publication number: 20070228977
    Abstract: Provided is a plasma display panel comprising a front substrate, a sealing layer that seals a discharge gas, and phosphor layers on the sealing layer without a rear substrate formed of glass, thereby improving brightness and luminous efficiency and a plasma display apparatus including the plasma display panel. The plasma display panel includes: a substrate; barrier ribs formed on the substrate and defining a plurality of discharge cells; pairs of discharge electrodes disposed in the barrier ribs and generating a discharge in the discharge cells; a sealing layer, along with the substrate, sealing the discharge cells; first phosphor layers disposed on the substrate in the discharge cells; and second phosphor layers disposed on the sealing layer in the discharge cells.
    Type: Application
    Filed: March 22, 2007
    Publication date: October 4, 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: 20070228957
    Abstract: A plasma display module including a substrate; barrier ribs formed on the substrate and defining a plurality of discharge cells; pairs of discharge electrodes disposed in the barrier ribs to generate a discharge in the discharge cells; a sealing layer, along with the substrate, to seal the discharge cells; phosphor layers disposed in the discharge cells; a chassis disposed in a side portion of the sealing layer to support the substrate; and a thermal conductive adhesive member disposed between the sealing layer and the substrate to transfer heat from the sealing layer to the chassis, and a plasma display apparatus including the plasma display module.
    Type: Application
    Filed: March 15, 2007
    Publication date: October 4, 2007
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Kyoung-Doo Kang, Won-Ju Yi, Ho-Young Ahn, Dong-Young Lee, Soo-Ho Park, Seok-Gyun Woo, Jae-Ik Kwon
  • Publication number: 20070228962
    Abstract: In a panel for plasma display, a method of manufacturing the same, a plasma display panel including the panel, and a method of manufacturing the plasma display panel, the panel for plasma display includes a substrate which is flexible, and a plurality of electrodes arranged on at least one surface of the substrate.
    Type: Application
    Filed: March 2, 2007
    Publication date: October 4, 2007
    Inventors: Seok-Gyun Woo, Won-Ju Yi, Kyoung-Doo Kang, Ho-Young Ahn, Soo-Ho Park, Dong-Young Lee, Jae-Ik Kwon, Im-Soo Shim
  • Publication number: 20070228952
    Abstract: Provided is a plasma display panel having flexibility. The plasma display panel includes a panel assembly that displays images and has flexibility, a plurality of base members that are attached to a surface of the panel assembly and support the panel assembly, and connection members that connect the base members to each other and are installed to be bent in the same direction as the panel assembly is bent. The base members that support the panel assembly having flexibility on a rear surface of the panel assembly can be bent or folded in the same direction as the panel assembly by the connection members.
    Type: Application
    Filed: March 12, 2007
    Publication date: October 4, 2007
    Inventors: Jae-lk Kwon, Won-Ju Yi, Ho-Young Ahn, Kyoung-Doo Kang, Dong-Young Lee, Soo-Ho Park, Seok-Gyun Woo