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).

  • Patent number: 7733024
    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: Grant
    Filed: May 9, 2007
    Date of Patent: June 8, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seok-Gyun Woo, Jae-Ik Kwon, Won-Ju Yi, Kyoung-Doo Kang, Ho-Young Ahn, Soo-Ho Park
  • Patent number: 7714509
    Abstract: A Plasma Display Panel (PDP) in which terminals of discharge electrodes are stably formed includes: first and second substrates spaced apart from each other and facing each other; first barrier ribs interposed between the first and second substrates and partitioning a plurality of discharge cells; and a plurality of pairs of discharge electrodes adapted to generate a discharge in the discharge cells. The discharge electrodes are buried in the first barrier ribs, extend along an outside of the discharge cells and are arranged in a direction to form a terminal in an edge of the discharge electrodes, and at least one groove is formed in an outermost side of the first barrier ribs through which the terminals of the discharge electrodes are exposed.
    Type: Grant
    Filed: August 4, 2006
    Date of Patent: May 11, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seok-Gyun Woo, Kyoung-Doo Kang, Won-Ju Yi
  • Patent number: 7696691
    Abstract: A plasma display panel (PDP) including a plurality of cavities within a barrier structure is disclosed. In one embodiment, the PDP includes i) an upper substrate, ii) a lower substrate facing the upper substrate, iii) the barrier structure disposed between the upper substrate and the lower substrate and defining discharge cells, iv) upper discharge electrodes arranged at intervals within the barrier structure and each surrounding at least parts of the discharge cells, v) lower discharge electrodes arranged at intervals within the barrier structure, located under the upper discharge electrode, and each surrounding at least parts of the discharge cells, and vi) phosphor layers disposed over the discharge cells. According to one embodiment of the present invention, ineffective power consumption can be reduced and heat generated in the discharge cells can be effectively dissipated.
    Type: Grant
    Filed: January 25, 2006
    Date of Patent: April 13, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hun-Suk Yoo, Won-Ju Yi
  • Patent number: 7692386
    Abstract: In a plasma display panel first and second substrates are located apart and substantially parallel to each other. A barrier rib layer is located between the first substrate and the second substrate. Discharge cells having various cross-sectional areas are formed within the barrier rib layer. Phosphor layers are formed within the discharge cells. Ring shaped first and second electrodes, conforming to the cross-sectional area of the discharge cells, surround the discharge cells adjacent to one or the other of the first and second substrates. The first electrodes are coupled together along a first direction and the second electrodes are coupled together along the same first direction. Address electrodes extend in a direction crossing the first direction and include protruding portions conforming to inner contours of the discharge cells.
    Type: Grant
    Filed: March 13, 2006
    Date of Patent: April 6, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kyoung-Doo Kang, Won-Ju Yi
  • Patent number: 7667403
    Abstract: A plasma display panel may include a first substrate and a second substrate facing each other, barrier ribs disposed between the first substrate and the second substrate, and at least partially defining a plurality of discharge cells therebetween, a plurality of pairs of discharge electrodes for generating a discharge in the discharge cells, the plurality of pairs of discharge electrodes being arranged in non-display portions of the plasma display panel, and a color filter layer disposed between the barrier ribs and the first substrate.
    Type: Grant
    Filed: February 8, 2007
    Date of Patent: February 23, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae-Ik Kwon, Won-Ju Yi, Ho-Young Ahn, Kyoung-Doo Kang, Dong-Young Lee, Soo-Ho Park, Seok-Gyun Woo
  • Patent number: 7652428
    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: Grant
    Filed: September 24, 2007
    Date of Patent: January 26, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yong-Shik Hwang, Won-Ju Yi, Kyoung-Doo Kang, Jae-Ik Kwon
  • Patent number: 7605539
    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: Grant
    Filed: April 13, 2005
    Date of Patent: October 20, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seok-Gyun Woo, Won-Ju Yi, Kyoung-Doo Kang
  • Patent number: 7564187
    Abstract: A Plasma Display Panel (PDP) includes: a first substrate; a second substrate arranged parallel to the first substrate; first barrier ribs arranged between the first and second substrates and defining discharge cells with the first and second substrates; second barrier ribs arranged between the first and second substrates, defining the discharge cells with the first substrate, the second substrate, and the first barrier ribs and being wider than the first barrier ribs; first discharge electrodes arranged inside the first barrier ribs to surround the discharge cells; second discharge electrodes arranged inside the second barrier ribs to surround the discharge cells and separated from the first discharge electrodes; phosphor layers arranged closer to the first barrier ribs and arranged inside the discharge cells; and a discharge gas contained within the discharge cells.
    Type: Grant
    Filed: August 10, 2006
    Date of Patent: July 21, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kyoung-Doo Kang, Won-Ju Yi
  • Patent number: 7521868
    Abstract: A plasma display panel includes a first substrate and a second substrate disposed opposite to each other and having a plurality of discharge spaces therebetween forming a display region for implementing images. Display electrodes are provided in lateral sides of the discharge spaces and extend in a first direction. Address electrodes extend in a second direction crossing the display electrodes. A dummy cell region and a frit region are provided outside of the display region. The frit region includes a first frit formed on a periphery of the first substrate, a second frit formed on a periphery of the second substrate, a dielectric layer disposed between the first substrate and the second substrate and covering the display electrodes, and electrode terminals drawn out from the display electrodes to an edge of the first substrate and the second substrate.
    Type: Grant
    Filed: March 30, 2006
    Date of Patent: April 21, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kyoung-Doo Kang, Won-Ju Yi, Se-Jong Kim, Hun-Suk Yoo, Seok-Gyun Woo
  • Patent number: 7518310
    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: Grant
    Filed: November 24, 2004
    Date of Patent: April 14, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hun-Suk Yoo, Won-Ju Yi, Kyoung-Doo Kang
  • Publication number: 20090091236
    Abstract: A display panel includes a first substrate and a second substrate, the first and second substrates having inner surfaces facing each other, a plurality of electrodes disposed between the first substrate and the second substrate, a partitioning green sheet disposed between the first substrate and the second substrate, and a plurality of alignment structures on an inner surface of at least one of the first and second substrates, the alignment structures providing an alignment reference for aligning the partitioning green sheet with the inner surface, wherein at least one of the alignment structures contacts an edge of the partitioning green sheet.
    Type: Application
    Filed: October 2, 2008
    Publication date: April 9, 2009
    Inventors: Yu-Jeong Cho, Sang-Hyuck Ahn, Kyoung-Doo Kang, Won-Ju Yi
  • Patent number: 7508135
    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: Grant
    Filed: April 14, 2005
    Date of Patent: March 24, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kyoung-Doo Kang, Won-Ju Yi, Jae-Ik Kwon
  • Publication number: 20090072702
    Abstract: A plasma display panel includes a first substrate and a second substrate. The first and the second substrates are flexible and face each other. A discharge electrode sheet is disposed between the first and second substrates to configure a plurality of discharge cells and includes a plurality of patterned discharge electrodes. A phosphor layer is formed in each of the discharge cells. An exhaust gas pathway is formed in the discharge electrode sheet and connects the discharge cells. The exhaust gas pathway that connects adjacent discharge cells is formed in the film shape discharge electrode sheet between the first and second substrates.
    Type: Application
    Filed: September 10, 2008
    Publication date: March 19, 2009
    Inventors: Jae-Ik Kwon, Won-Ju Yi, Kyoung-Doo Kang, Seok-Gyun Woo
  • Patent number: 7504775
    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: Grant
    Filed: April 29, 2005
    Date of Patent: March 17, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Su-Bin Song, Kyoung-Doo Kang, Jun-Yong Park, Won-Ju Yi
  • Publication number: 20090039783
    Abstract: A display panel including a first substrate; a second substrate separated from the first substrate; a barrier rib structure disposed between the first and second substrates defining a plurality of discharge cells; a plurality of first electrodes extending in a first direction, the first electrodes in the barrier rib structure; a plurality of second electrodes separated from the first electrodes in a second direction from the first substrate towards the second substrate, the second electrodes in the barrier rib structure; a plurality of third electrodes extending in a third direction crossing the first direction, the third electrodes on a surface of the first substrate facing the discharge cells; and a plurality of phosphor layers on surfaces of the third electrodes facing the discharge cells.
    Type: Application
    Filed: August 6, 2008
    Publication date: February 12, 2009
    Inventors: Tae-Seung Cho, Won-Ju Yi, Kyoung-Doo Kang, Young-Do Choi, Jae-Ik Kwon, Seok-Gyun Woo, Yong-Shik Hwang, Byoung-Min Chun, Jong-Woo Choi
  • Publication number: 20090039782
    Abstract: A plasma display panel having a structure for reducing manufacturing costs and the failure rate of terminal portions of discharge electrodes. The PDP includes: a substrate and a barrier rib structure configuring a plurality of discharge cells. Discharge electrodes include discharge portions, terminal portions, and connection portions connecting the discharge portions with the terminal portions. A sealing member seals the discharge cells. A frit seals the substrate and the sealing member. At least one frit guide restricts the spreading of the frit. A phosphor layer is inside each of the discharge cells. A discharge gas is sealed in the discharge cells.
    Type: Application
    Filed: August 5, 2008
    Publication date: February 12, 2009
    Inventors: Kyoung-Doo Kang, Won-Ju Yi, Ho-Young Ahn, Dong-Young Lee, Soo-Ho Park, Seok-Gyun Woo, Jae-Ik Kwon
  • Patent number: 7486022
    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: Grant
    Filed: April 29, 2005
    Date of Patent: February 3, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kyoung-Doo Kang, Won-Ju Yi
  • Publication number: 20080303441
    Abstract: A plasma display panel including: a first substrate and a second substrate utilized to display images; a dielectric wall disposed between the first and second substrates and defining a plurality of discharge cells; a first discharge electrode disposed in the dielectric wall; a second discharge electrode disposed on the second substrate to cross the first discharge electrode; and a phosphor layer formed on the first substrate. Accordingly, plasma can efficiently arrive at the phosphor layer, thereby increasing discharge efficiency.
    Type: Application
    Filed: June 5, 2008
    Publication date: December 11, 2008
    Inventors: Yong-Shik Hwang, Kyoung-Doo Kang, Won-Ju Yi, Jae-Ik Kwon
  • Publication number: 20080238827
    Abstract: A plasma display panel, and a method for manufacturing the same. The plasma display panel includes a first electrode sheet between a first substrate and a second substrate facing the first substrate; and a second electrode sheet between the second substrate and the first electrode sheet. The first electrode sheet includes a plurality of first inner lines, each of the first inner lines including a first discharge electrode and a first dielectric layer enclosing the first discharge electrode and composed of an anodized material of the first discharge electrode, the second electrode sheet includes a plurality of second inner lines, each of the second inner lines including a second discharge electrode and a second dielectric layer enclosing the second discharge electrode and composed of an anodized material of the second discharge electrode.
    Type: Application
    Filed: January 14, 2008
    Publication date: October 2, 2008
    Inventors: Jong-woo Choi, Won-ju Yi, Kyoung-doo Kang, Yong-shik Hwang, Jae-ik Kwon, Tae-seung Cho, Hyun-min Son, Byoung-min Chun, Young-do Choi
  • Publication number: 20080231187
    Abstract: A plasma display panel including: a first substrate; a second substrate separated from the first substrate; and two or more electrode sheets facing each other and between the first and second substrates, each of the two or more electrode sheets including opening patterns to form discharge spaces, wherein each of the two or more electrode sheets includes: a plurality of discharge electrodes extending in a direction and surrounding at least a part of the discharge spaces, and having corners with round curved portions contacting the discharge spaces or adjacent to the discharge spaces; and an insulating member integrally formed between the discharge electrodes for supporting the discharge electrodes and for insulating the discharge electrodes from each other, and including an oxide of a metal used to form the discharge electrodes.
    Type: Application
    Filed: March 19, 2008
    Publication date: September 25, 2008
    Inventors: Yong-Shik Hwang, Won-Ju Yi, Kyoung-Doo Kang, Tae-Seung Cho, Byoung-Min Chun, Jong-Woo Choi