Patents by Inventor Taro Naoi

Taro Naoi 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: 8508129
    Abstract: A plasma display panel equipped with a front substrate and a back substrate facing each other to form a discharge space. On the discharge space side of the front substrate there are disposed a metal oxide layer and magnesium oxide crystal particles. The magnesium oxide crystal particles are arranged to be protruding closer to the discharge space than the surface of the metal oxide layer.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: August 13, 2013
    Assignee: Panasonic Corporation
    Inventors: Taro Naoi, Hai Lin, Eishiro Otani, Hiroshi Ito
  • Patent number: 8427054
    Abstract: A plasma display panel equipped with a front substrate and a back substrate facing each other to form a discharge space. On the discharge space side of the front substrate there are disposed a metal oxide layer and magnesium oxide crystal particles. The magnesium oxide crystal particles are arranged to be protruding closer to the discharge space than the surface of the metal oxide layer.
    Type: Grant
    Filed: July 15, 2011
    Date of Patent: April 23, 2013
    Assignee: Panasonic Corporation
    Inventors: Taro Naoi, Hai Lin, Eishiro Otani, Hiroshi Ito
  • Publication number: 20120306364
    Abstract: A plasma display panel includes a front substrate, a plurality of row electrode pairs arranged on the front substrate, a dielectric layer formed on the front substrate so as to cover the plurality of row electrodes, a metal oxide layer formed on the dielectric layer, a plurality of metal oxide crystal particles formed on the dielectric layer or on the metal oxide layer, a back substrate facing the front substrate to form a discharge space, a plurality of column electrodes arranged on the back substrate, and partition wall units formed on the plurality of column electrodes to partition the discharge space to form a plurality of discharge cells.
    Type: Application
    Filed: August 13, 2012
    Publication date: December 6, 2012
    Applicant: Panasonic Corporation
    Inventors: Taro Naoi, Hai Lin, Eishiro Otani, Hiroshi Ito
  • Patent number: 8269419
    Abstract: A plasma display panel equipped with a front substrate and a back substrate facing each other to form a discharge space. On the discharge space side of the front substrate there are disposed a metal oxide layer and magnesium oxide crystal particles. An area ratio of the magnesium oxide crystal particles to the metal oxide layer is 0.1% to 85%.
    Type: Grant
    Filed: July 15, 2011
    Date of Patent: September 18, 2012
    Assignee: Panasonic Corporation
    Inventors: Taro Naoi, Hai Lin, Eishiro Otani, Hiroshi Ito
  • Patent number: 8258701
    Abstract: A plasma display panel equipped with a front substrate and a back substrate facing each other to form a discharge space. On the discharge space side of the front substrate there are disposed a metal oxide layer and magnesium oxide crystal particles. Among the magnesium oxide crystal particles there are magnesium oxide crystal particles having a particle diameter of at least 3500 angstroms.
    Type: Grant
    Filed: July 15, 2011
    Date of Patent: September 4, 2012
    Assignee: Panasonic Corporation
    Inventors: Taro Naoi, Hai Lin, Eishiro Otani, Hiroshi Ito
  • Patent number: 8253333
    Abstract: A plasma display panel equipped with a front substrate and a back substrate facing each other to form a discharge space. On the discharge space side of the front substrate there are disposed a metal oxide layer and magnesium oxide crystal particles. The magnesium oxide crystal particles are arranged on the discharge space side of the metal oxide layer, or alternatively, part of the magnesium oxide crystal particles are disposed within the metal oxide layer.
    Type: Grant
    Filed: July 15, 2011
    Date of Patent: August 28, 2012
    Assignee: Panasonic Corporation
    Inventors: Taro Naoi, Hai Lin, Eishiro Otani, Hiroshi Ito
  • Publication number: 20120070616
    Abstract: A plasma display panel equipped with a front substrate and a back substrate facing each other to form a discharge space. On the discharge space side of the front substrate there are disposed a metal oxide layer and magnesium oxide crystal particles. The magnesium oxide crystal particles are arranged to be protruding closer to the discharge space than the surface of the metal oxide layer.
    Type: Application
    Filed: November 29, 2011
    Publication date: March 22, 2012
    Applicant: Panasonic Corporation
    Inventors: Taro NAOI, Hai LIN, Eishiro OTANI, Hiroshi ITO
  • Publication number: 20110309742
    Abstract: A plasma display panel equipped with a front substrate and a back substrate facing each other to form a discharge space. On the discharge space side of the front substrate there are disposed a metal oxide layer and magnesium oxide crystal particles. The magnesium oxide crystal particles are arranged to be protruding closer to the discharge space than the surface of the metal oxide layer.
    Type: Application
    Filed: July 15, 2011
    Publication date: December 22, 2011
    Applicant: Panasonic Corporation
    Inventors: Taro Naoi, Hai Lin, Eishiro Otani, Hiroshi Ito
  • Publication number: 20110309740
    Abstract: A plasma display panel equipped with a front substrate and a back substrate facing each other to form a discharge space. On the discharge space side of the front substrate there are disposed a metal oxide layer and magnesium oxide crystal particles. An area ratio of the magnesium oxide crystal particles to the metal oxide layer is 0.1% to 85%.
    Type: Application
    Filed: July 15, 2011
    Publication date: December 22, 2011
    Applicant: Panasonic Corporation
    Inventors: Taro Naoi, Hai Lin, Eishiro Otani, Hiroshi Ito
  • Publication number: 20110309743
    Abstract: A plasma display panel equipped with a front substrate and a back substrate facing each other to form a discharge space. On the discharge space side of the front substrate there are disposed a metal oxide layer and magnesium oxide crystal particles. The magnesium oxide crystal particles are arranged on the discharge space side of the metal oxide layer, or alternatively, part of the magnesium oxide crystal particles are disposed within the metal oxide layer.
    Type: Application
    Filed: July 15, 2011
    Publication date: December 22, 2011
    Applicant: Panasonic Corporation
    Inventors: Taro Naoi, Hai Lin, Eishiro Otani, Hiroshi Ito
  • Publication number: 20110309741
    Abstract: A plasma display panel equipped with a front substrate and a back substrate facing each other to form a discharge space. On the discharge space side of the front substrate there are disposed a metal oxide layer and magnesium oxide crystal particles. Among the magnesium oxide crystal particles there are magnesium oxide crystal particles having a particle diameter of at least 3500 angstroms.
    Type: Application
    Filed: July 15, 2011
    Publication date: December 22, 2011
    Applicant: Panasonic Corporation
    Inventors: Taro Naoi, Hai Lin, Eishiro Otani, Hiroshi Ito
  • Patent number: 8076851
    Abstract: A plasma display panel including a front substrate and a back substrate facing each other across a discharge space, and a plurality of row electrode pairs and a plurality of column electrodes extending in a direction orthogonal to the row electrodes. The row electrodes and said column electrodes being provided between the front substrate and the back substrate and forming unit light emission areas at intersections with each other within the discharge space. A crystal having a volumetric particle-size distribution in which a ratio of a crystal having a particle size of 0.7 ?m or less is 25% or less, is provided in an area facing the discharge space between the front substrate and the back substrate.
    Type: Grant
    Filed: May 3, 2010
    Date of Patent: December 13, 2011
    Assignee: Panasonic Corporation
    Inventors: Taro Naoi, Hai Lin, Eishiro Otani, Hiroshi Ito
  • Patent number: 7990067
    Abstract: Row electrode pairs and column electrodes are provided between the front glass substrate and the back glass substrate. Magnesium oxide single-crystal particles, which are doped with aluminum and have characteristics of causing cathode luminescence having a peak within a wavelength range of 200 nm to 300 nm upon excitation by application of electron beams, are disposed in a position facing the discharge cells, and form part of a protective layer for a dielectric layer overlying the row electrodes and/or phosphor layers.
    Type: Grant
    Filed: October 16, 2007
    Date of Patent: August 2, 2011
    Assignee: Panasonic Corporation
    Inventors: Taro Naoi, Hai Lin
  • Publication number: 20100213818
    Abstract: A plasma display panel including a front substrate and a back substrate facing each other across a discharge space, and a plurality of row electrode pairs and a plurality of column electrodes extending in a direction orthogonal to the row electrodes. The row electrodes and said column electrodes being provided between the front substrate and the back substrate and forming unit light emission areas at intersections with each other within the discharge space. A crystal having a volumetric particle-size distribution in which a ratio of a crystal having a particle size of 0.7 ?m or less is 25% or less, is provided in an area facing the discharge space between the front substrate and the back substrate.
    Type: Application
    Filed: May 3, 2010
    Publication date: August 26, 2010
    Applicant: Panasonic Corporation
    Inventors: Taro Naoi, Hai Lin, Eishiro Otani, Hiroshi Ito
  • Patent number: 7759868
    Abstract: A crystalline magnesium oxide layer is placed facing the discharge space between a front glass substrate and a back glass substrate. The crystalline magnesium oxide layer contains crystal powder having particle-size distribution in which a crystal of a predetermined particle diameter or larger is included at a predetermined ratio or higher, of powder of a magnesium oxide crystal causing a cathode-luminescence emission having a peak within a wavelength range of 200 nm to 300 nm upon excitation by an electron beam.
    Type: Grant
    Filed: November 21, 2005
    Date of Patent: July 20, 2010
    Assignee: Panasonic Corporation
    Inventors: Taro Naoi, Hai Lin, Eishiro Otani, Hiroshi Ito
  • Patent number: 7626336
    Abstract: An MgO layer (8) including an MgO crystal causing a cathode-luminescence emission having a peak within a range from 230 nm to 250 nm upon being excited by electron beams is provided in a position facing a discharge cell (C) formed in the discharge space between the front glass substrate (1) and the back glass substrate (4).
    Type: Grant
    Filed: September 17, 2004
    Date of Patent: December 1, 2009
    Assignee: Panasonic Corporation
    Inventors: Lin Hai, Taro Naoi, Atsushi Hirota, Takeshi Sasaki
  • Patent number: 7567036
    Abstract: A crystalline MgO layer is provided in a position facing a discharge cell formed in a discharge space between the front and back substrates. The crystalline MgO layer includes magnesium oxide crystals caused to emit ultraviolet light with a peak wavelength of between 230 nm and 250 nm by the action of ultraviolet light emitted from xenon in a discharge gas. A phosphor layer emits visible light by being excited by the ultraviolet light emitted from the magnesium oxide layer and the ultraviolet light emitted from the discharge gas.
    Type: Grant
    Filed: March 18, 2005
    Date of Patent: July 28, 2009
    Assignee: Pioneer Corporation
    Inventors: Atsushi Hirota, Lin Hai, Taro Naoi, Takeshi Sasaki
  • Publication number: 20090153018
    Abstract: Powder of a crystal body is disposed in positions respectively facing the discharge cells formed in the discharge space S defined between the front glass substrate and the back glass substrate of a PDP. The crystal body is included among an MgO crystal body having properties of causing CL (and PL) emission having a peak within a 200-nm to 300-nm wavelength range upon excitation by ultraviolet rays, and has properties of having a higher intensity of light emission caused by 146-nm wavelength ultraviolet light than the intensity of light emission caused by 172-nm wavelength ultraviolet light.
    Type: Application
    Filed: July 25, 2008
    Publication date: June 18, 2009
    Applicant: PIONEER CORPORATION
    Inventors: Taro Naoi, Shinsuke Yoshida, Hai Lin
  • Publication number: 20080157671
    Abstract: Row electrode pairs and column electrodes are provided between the front glass substrate and the back glass substrate. Magnesium oxide single-crystal particles, which are doped with aluminum and have characteristics of causing cathode luminescence having a peak within a wavelength range of 200 nm to 300 nm upon excitation by application of electron beams, are disposed in a position facing the discharge cells, and form part of a protective layer for a dielectric layer overlying the row electrodes and/or phosphor layers.
    Type: Application
    Filed: October 16, 2007
    Publication date: July 3, 2008
    Inventors: Taro Naoi, Hai Lin
  • Publication number: 20070013306
    Abstract: An MgO layer (8) including an MgO crystal causing a cathode-luminescence emission having a peak within a range from 230 nm to 250 nm upon being excited by electron beams is provided in a position facing a discharge cell (C) formed in the discharge space between the front glass substrate (1) and the back glass substrate (4).
    Type: Application
    Filed: September 17, 2004
    Publication date: January 18, 2007
    Inventors: Lin Hai, Taro Naoi, Atsushi Hirota, Takeshi Sasaki