Patents by Inventor Tsutae Shinoda
Tsutae Shinoda 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).
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Publication number: 20040178730Abstract: A full color three electrode surface discharge type plasma display device that has fine image elements and is large and has a bright display. The three primary color luminescent areas are arranged in the extending direction of the display electrode pairs in a successive manner and an image element is composed by the three unit luminescent areas defined by these three luminescent areas and address electrodes intersecting these three luminescent areas. Further, phosphors are coated not only on a substrate but also on the side walls of the barriers and on address electrodes. The manufacturing processes and operation methods of the above constructions are also disclosed.Type: ApplicationFiled: March 29, 2004Publication date: September 16, 2004Applicant: FUJITSU LIMITEDInventors: Tsutae Shinoda, Noriyuki Awaji, Shinji Kanagu, Tatsutoshi Kanae, Masayuki Wakitani, Toshiyuki Nanto, Mamaru Miyahara
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Patent number: 6787995Abstract: A full color three electrode surface discharge type plasma display device that has fine image elements and is large and has a bright display. The three primary color luminescent areas are arranged in the extending direction of the display electrode pairs in a successive manner and an image element is composed by the three unit luminescent areas defined by these three luminescent areas and address electrodes intersecting these three luminescent areas. Further, phosphors are coated not only on a substrate but also on the side walls of the barriers and on address electrodes. The manufacturing processes and operation methods of the above constructions are also disclosed.Type: GrantFiled: September 5, 2000Date of Patent: September 7, 2004Assignee: Fujitsu LimitedInventors: Tsutae Shinoda, Noriyuki Awaji, Shinji Kanagu, Tatsutoshi Kanae, Masayuki Wakitani, Toshiyuki Nanto, Mamaru Miyahara
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Publication number: 20040152389Abstract: A phosphor layer is formed efficiently in a gas discharge tube by drawing a mother material to fabricate a supporting member which is insertable in a small glass tube used for a gas discharge tube, forming a phosphor layer on the supporting member, and inserting and placing the supporting member in the small glass tube.Type: ApplicationFiled: January 21, 2004Publication date: August 5, 2004Applicant: Fujitsu Limited of Kawasaki, JapanInventors: Akira Tokai, Hitoshi Yamada, Manabu Ishimoto, Tsutae Shinoda
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Publication number: 20040033319Abstract: According to the present invention, there is provided a method for forming a metal oxide film comprising, when a metal oxide film is formed by conducting a thermal treatment on a coating film containing an organic metal compound formed on an inner wall of a tube, performing an ultraviolet irradiation treatment or an ozone treatment on the coating film prior to or simultaneously with the thermal treatment.Type: ApplicationFiled: August 18, 2003Publication date: February 19, 2004Applicant: FUJITSU LIMITEDInventors: Hitoshi Yamada, Akira Tokai, Manabu Ishimoto, Akira Nakazawa, Kenji Awamoto, Tsutae Shinoda
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Patent number: 6677704Abstract: An AC-type gas discharge display includes a base, discharge tubes which are arranged on the base in parallel to each other and which contain fluorescent phosphors, data electrodes formed on the external surfaces of the discharge tubes such that the data electrodes extend in the longitudinal direction of the discharge tubes, and display electrodes formed in pairs on the external surfaces of the discharge tubes at the opposite side of the data electrodes such that the display electrodes intersect the discharge tubes. Each of the discharge tubes has a flattened elliptical shape in cross-section thereof and includes a pair of flat portions. The data electrodes are formed on one of the flat portions and scanning electrodes and common electrodes are alternately arranged on the other one of the flat portions, and the discharge tubes are supported by the base at one or the other one of the flat portions.Type: GrantFiled: January 22, 2002Date of Patent: January 13, 2004Assignee: Fujitsu LimitedInventors: Manabu Ishimoto, Tsutae Shinoda, Akira Tokai, Hitoshi Yamada
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Publication number: 20030224219Abstract: A photochromic includes a laminated film including a composite oxide film composed of at least two elements selected from the group consisting of Ti, Mn, Co, Ni, Zn, and Sn, and the group consisting of Mg, Al, and Si, respectively, and a transparent conductive film, wherein the light transmission property is changed be UV irradiation.Type: ApplicationFiled: May 15, 2003Publication date: December 4, 2003Applicant: FUJITSU LIMITEDInventors: Akira Nakazawa, Tsutae Shinoda
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Publication number: 20030214223Abstract: A display device includes a plurality of light-emitting tubes arranged in parallel consisting of narrow tubes having a plurality of light-emitting points formed in a longitudinal direction thereof, a phosphor layer provided to the inside of each of the narrow tubes, and a discharge gas sealed into each of the narrow tubes. The plurality of light-emitting tubes are arranged in accordance with their property previously measured.Type: ApplicationFiled: May 2, 2003Publication date: November 20, 2003Applicant: Fujitsu Limited of Kawasaki, JapanInventors: Manabu Ishimoto, Tsutae Shinoda, Akira Tokai, Hitoshi Yamada, Kenji Awamoto
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Publication number: 20030214225Abstract: A light-emitting tube array display device includes a light-emitting tube array, a flexible sheet and a plurality of electrodes. The light-emitting tube array is constituted of a plurality of light-emitting tubes arranged in parallel. Each of the light-emitting tubes consists of narrow tube having a phosphor layer disposed and discharge gas filled inside. The flexible sheet is capable of flatly supporting the light-emitting tube array and deforming the light emitting tube array in a direction perpendicular to a longitudinal direction of the light-emitting tubes. The plurality of electrodes are formed on a face of the flexible sheet opposed to the light-emitting tubes, which are capable of generating discharge inside the light-emitting tubes by an application of voltage. Each of the electrodes is formed of a metal film having a mesh pattern, a ladder pattern, or a comb-shape pattern.Type: ApplicationFiled: May 2, 2003Publication date: November 20, 2003Applicant: Fujitsu LimitedInventors: Hitoshi Yamada, Akira Tokai, Manabu Ishimoto, Akira Nakazawa, Kenji Awamoto, Tsutae Shinoda
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Publication number: 20030214224Abstract: A display device includes a plurality of emitting tubes constituted by elongated tubes each having a phosphor layer disposed and a discharge gas enclosed inside, a supporter for supporting the plurality of emitting tubes while making contact therewith, and a plurality of electrodes disposed on a surface of the supporter facing the emitting tubes for generation of electric discharges within the emitting tubes. The supporter has a connecting portion at an edge. The connecting portion of the supporter is detachably connected to a connector for applying a voltage to the plurality of electrodes.Type: ApplicationFiled: December 9, 2002Publication date: November 20, 2003Applicant: FUJITSU LIMITEDInventors: Kenji Awamoto, Tsutae Shinoda, Akira Tokai, Hitoshi Yamada, Manabu Ishimoto
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Patent number: 6650055Abstract: A display device includes an elongated display tube to be filled with a discharge gas and provided with a phosphor layer therein, a supporter in contact with the display tube for supporting the display tube, and a plurality of electrodes arranged on a surface of the supporter facing the display tube, for externally applying a voltage to the display tube for generating discharge in the display tube so as to perform a display. The supporter has a shape fitting the display tube whereby the electrode is in contact with the display tube along the surface shape of the display tube.Type: GrantFiled: March 22, 2002Date of Patent: November 18, 2003Assignee: Fujitsu LimitedInventors: Manabu Ishimoto, Tsutae Shinoda, Akira Tokai, Hitoshi Yamada
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Patent number: 6633117Abstract: A display device is provided in which a structure of a display tube is simplified so as to achieve a cost reduction and electric connection to a driving circuit is made easy. In the display device including a group of display tubes arranged in parallel for emitting light by gas discharge, plural transparent auxiliary electrodes for display are arranged in the length direction on the outer surface of the tubular vessel that defines a discharge gas space of each of the display tubes, so that the position of a discharge portion is determined. The auxiliary electrodes at the same position in the length direction of the vessel are connected to one another electrically via a band-like power supplying conductor provided on a front substrate, and a back substrate is arranged on which a band-like conductor is provided along each of the display tubes at the back side of the group of display tubes.Type: GrantFiled: February 26, 2002Date of Patent: October 14, 2003Assignee: Fujitsu LimitedInventors: Tsutae Shinoda, Akira Tokai, Hitoshi Yamada, Manabu Ishimoto
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Patent number: 6630916Abstract: A method and circuit of driving a flat display panel formed of a plurality of cells each having a memory function, wherein the cells are formed at cross points of a plurality of X-electrodes and a plurality of Y-electrodes orthogonal to the X-electrodes and a period of a frame for displaying a single picture is divided into a plurality of sequential subframes. Each of the subframes comprises an addressing period, during which cells to be lit later in a display period are selected from all the cells by being written so as to have a wall charge therein, and a display period, subsequent to the address period, for lighting the selected cells by applying sustain pulses to all the cells. A number of sustain pulses included in each display period is predetermined differently for each subframe, according to a weight given to each subframe.Type: GrantFiled: December 3, 1999Date of Patent: October 7, 2003Assignee: Fujitsu LimitedInventor: Tsutae Shinoda
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Publication number: 20030184212Abstract: A display device includes elongated display tubes each of which has a discharge gas filled and a phosphor layer formed in the tube; a flexible sheet; a plurality of electrodes; and an adhesive layer. Each of the tubes is flat elliptical in cross section and has a plane section. The flexible sheet abuts against the plane sections of the tubes to support the tubes. The plurality of electrodes are arranged on the tubes abutting surface of the flexible sheet, for applying a voltage to the tubes to generate discharges within the tubes. The adhesive layer is disposed on the tubes abutting surface of the flexible sheet to bond the flexible sheet to the plane sections of the tubes so that the electrodes of the flexible sheet face the plane sections when the flexible sheet abuts against the plane sections of the tubes.Type: ApplicationFiled: February 25, 2003Publication date: October 2, 2003Applicant: Fujitsu LimitedInventors: Manabu Ishimoto, Tsutae Shinoda, Akira Tokai, Hitoshi Yamada, Kenji Awamoto
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Publication number: 20030182967Abstract: A flat elliptic thin glass tube for a discharge tube is produced by the following steps: (a) a cylindrical glass tube is hermetically sealed; (b) the cylindrical glass tube is heated and deformed in a mold by an increased internal pressure of the glass tube caused by the heating of the glass tube to form a flat elliptic glass tube, the mold having means for defining at least the minor axis of the flat elliptic glass tube; and (c) the flat elliptic glass tube is heated and drawn to form the flat elliptic thin glass tube.Type: ApplicationFiled: March 13, 2003Publication date: October 2, 2003Applicant: FUJITSU LIMITEDInventors: Akira Tokai, Hitoshi Yamada, Manabu Ishimoto, Kenji Awamoto, Tsutae Shinoda
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Publication number: 20030180456Abstract: A method for forming a coating film on an internal surface of an elongated tube, includes longitudinally holding the elongated tube, applying a coating solution to the internal surface of the elongated tube; and drying the coating solution while carrying out a heat process for sequentially heating the elongated tube by using a heat source. The heat process includes adjusting the descending rate of the heat source so that a through-hole in the elongated tube is clogged with the coating solution whose viscosity is reduced by heating of the heat source, and sucking the through-hole in the elongated tube from the lower side thereof so that a portion of the through-hole that is clogged with the coating solution moves downwards along the elongated tube.Type: ApplicationFiled: March 20, 2003Publication date: September 25, 2003Applicant: FUJITSU LIMITEDInventors: Hitoshi Yamada, Akira Tokai, Manabu Ishimoto, Kenji Awamoto, Tsutae Shinoda
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Publication number: 20030141817Abstract: A plasma display panel assembly includes electrodes and a dielectric layer covering the electrodes. The dielectric layer is formed of a low-melting-point glass, and the electrodes are formed of a metal containing a crystallized glass. The metal and the low-melting-point glass are simultaneously fired to complete the electrodes and the dielectric layer. Thus, in a manufacturing process of an AC plasma display panel, the number of firing steps can be reduced.Type: ApplicationFiled: November 7, 2002Publication date: July 31, 2003Applicant: FUJITSU LIMITEDInventors: Tsutae Shinoda, Noriyuki Awaji
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Publication number: 20030122485Abstract: A gas discharge tube has a phosphor layer formed and a discharge gas enclosed within an elongated tube which is to serve as the gas discharge tube. The gas discharge tube includes a light-emitting section and a cleaning section for cleaning the discharge gas. The cleaning section is connected to the light-emitting section.Type: ApplicationFiled: October 3, 2002Publication date: July 3, 2003Applicant: Fujitsu LimitedInventors: Akira Tokai, Hitoshi Yamada, Manabu Ishimoto, Tsutae Shinoda
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Publication number: 20030052592Abstract: A display device is provided in which a structure of a display tube is simplified so as to achieve a cost reduction and electric connection to a driving circuit is made easy. In the display device including a group of display tubes arranged in parallel for emitting light by gas discharge, plural transparent auxiliary electrodes for display are arranged in the length direction on the outer surface of the tubular vessel that defines a discharge gas space of each of the display tubes, so that the position of a discharge portion is determined. The auxiliary electrodes at the same position in the length direction of the vessel are connected to one another electrically via a band-like power supplying conductor provided on a front substrate, and a back substrate is arranged on which a band-like conductor is provided along each of the display tubes at the back side of the group of display tubes.Type: ApplicationFiled: February 26, 2002Publication date: March 20, 2003Applicant: FUJITSU LIMITEDInventors: Tsutae Shinoda, Akira Tokai, Hitoshi Yamada, Manabu Ishimoto
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Publication number: 20030048068Abstract: A gas discharge tube having a phosphor layer formed within a tubular vessel defining a discharge space. The gas discharge tube includes a supporting member independent of the tubular vessel. The phosphor layer is formed on the supporting member. The supporting member is inserted within the discharge space.Type: ApplicationFiled: March 26, 2002Publication date: March 13, 2003Applicant: FUJITSU LIMITEDInventors: Hitoshi Yamada, Akira Tokai, Manabu Ishimoto, Tsutae Shinoda
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Publication number: 20030048077Abstract: A display device includes an elongated display tube to be filled with a discharge gas and provided with a phosphor layer therein, a supporter in contact with the display tube for supporting the display tube, and a plurality of electrodes arranged on a surface of the supporter facing the display tube, for externally applying a voltage to the display tube for generating discharge in the display tube so as to perform a display. The supporter has a shape fitting the display tube whereby the electrode is in contact with the display tube along the surface shape of the display tube.Type: ApplicationFiled: March 22, 2002Publication date: March 13, 2003Applicant: FUJITSU LIMITEDInventors: Manabu Ishimoto, Tsutae Shinoda, Akira Tokai, Hitoshi Yamada