Patents by Inventor Tomoki Nakamura
Tomoki Nakamura 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: 20080303406Abstract: The present invention provides an image display device which can lower the resistance of scanning signal lines, can ensure the enhancement of reliability of supply of electricity and conductivity and the reliability of separation of elements, can exhibit excellent display characteristic, and can possess an extremely prolonged lifetime. The scanning signal line has the stacked film structure constituted of a lower layer film formed of an aluminum film and an upper layer film formed of an aluminum alloy film containing aluminum as a main component.Type: ApplicationFiled: April 23, 2008Publication date: December 11, 2008Inventors: Hiroyasu YANASE, Etsuko Nishimura, Toshiaki Kusunoki, Tomoki Nakamura
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Publication number: 20080290781Abstract: There is disclosed a display apparatus using a long-lived MIM electron source that is excellent in grayscale controllability. In a device including an MIM dielectric layer having a film thickness of 9.6 nm, the diode current Id rises exponentially from around 4.8 V together with the voltage. The emission current Ie rises exponentially from 4.7 V. That is, VthIe<VthId or VthIe?VthId. A detailed measurement has shown that the difference between VthIe and VthId is less than 0.3 V.Type: ApplicationFiled: May 21, 2008Publication date: November 27, 2008Inventors: Yoshiro MIKAMI, Toshiaki Kusunoki, Katsuhide Aoto, Tomoki Nakamura, Masakazu Sagawa
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Publication number: 20080246387Abstract: The present invention aims to form an electron emission film containing an alkali metal compound or the like without causing alkali attack on the metal wiring. An FED display device comprises: an electron source including an electron emission film 13 on the surface thereof; and metal wirings 17, 18 and the like for supplying a signal or the like to the electron source. After forming on the surface of the metal wiring 18 an corrosion resistant film 21 comprising a reactive film or adsorption film with phosphorus, an alkali metal or the like is coated onto or added into the electron emission film 13. The addition of phosphorus is made fewer than the chemical equivalent of the alkali metal salt. Such configuration can improve the electron emission efficiency of the electron source without the metal wiring being corroded by alkali metal or the like.Type: ApplicationFiled: April 4, 2008Publication date: October 9, 2008Inventors: Toshiaki Kusunoki, Mitsuharu Ikeda, Katsuhide Aoto, Tomoki Nakamura, Yoshiro Mikami, Etsuko Nishimura, Takahiro Ueno, Mitsuaki Shiba
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Publication number: 20080244000Abstract: A client terminal is capable of communicating with an address server. The client terminal includes a displaying unit, a language determining unit, a language information transmitting unit, a service information acquiring unit, and a display controlling unit. The displaying unit displays a page. The language determining unit determines a language to be used for displaying the page on the displaying unit. The language information transmitting unit transmits language information to the address server. The language information indicates the language determined by the language determining unit. The service information acquiring unit acquires service information from a data server based on address information transmitted from the address server. The display controlling unit controls the displaying unit to display, by using the language determined by the language determining unit, the page including the service information acquired by the service information acquiring unit.Type: ApplicationFiled: March 21, 2008Publication date: October 2, 2008Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Tomoki Nakamura, Manabu Isshiki
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Publication number: 20080209006Abstract: A data processor is communicable with a host device via a network. The data processor includes a media connecting unit, a file creating unit, a data transmitting unit, and an operation executing unit. The media connecting unit is capable of connecting a storage medium. The file creating unit creates a controlling file for controlling the storage medium. The data transmitting unit transmits data identifying the controlling file to the host device for allowing the host device to access the file. The operation executing unit executes an operation of the storage medium in response to receiving a transmission request of the controlling file.Type: ApplicationFiled: February 27, 2008Publication date: August 28, 2008Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Tomoki Nakamura, Fumitoshi Uno, Yusaku Takahashi, Akidi Yoshida
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Patent number: 7418667Abstract: There are provided a character input apparatus and a tape printing apparatus incorporating the character input apparatus as well as a character input method, which are capable of easily preparing a desired document by calling a design form having a sample text input therein in advance and then editing contents of the sample text. A plurality of design forms each having a sample text input therein in advance are stored, and one design form is selected from the plurality of stored design forms. The sample text of the selected one design form is edited. The sample text of the selected one design form or the edited sample text is displayed on a screen. At the same time, the sample text is also displayed with a cursor added to a character to be edited. In an initial state before editing, the sample text is displayed with the cursor added to a last character thereof.Type: GrantFiled: September 5, 2002Date of Patent: August 26, 2008Assignee: Seiko Epson CorporationInventors: Hideyuki Tsukuda, Tomoki Nakamura, Ko Kojima
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Patent number: 7417365Abstract: In a corner portion outside a display region of a face substrate which constitutes a face panel of a display device, an opening is formed. In the opening, a stem glass structural body which is configured by integrally forming an exhaust pipe on a center portion of a stem glass and by forming conductive leads in a peripheral portion thereof in an embedded manner, is fixed by welding using curing by heating. The exhaust pipe is evacuated and, thereafter, tipped off, thus realizing vacuum sealing of the inside thereof. A lead line is connected to a distal end of one conductive lead by welding and another end of the lead line is electrically connected with one end portion of the anode formed on an inner surface of the face substrate using a conductive adhesive agent. Further, a getter is mounted and fixed to another conductive lead line by welding.Type: GrantFiled: February 7, 2005Date of Patent: August 26, 2008Assignee: Hitachi Displays, Ltd.Inventors: Tomoki Nakamura, Kazunari Noguchi, Yoshiyuki Kaneko
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Patent number: 7400083Abstract: Using a cathode material with which an electron emission having sufficient intensity is obtained with a low electric field, over a back substrate, cathodes and first control electrodes are formed on the same plane, which is parallel to the back substrate, thus forming electron beam sources, and second control electrodes, which focus electrons taken out from the electron beam sources, are formed, whereby it is possible to obtain an image display of high brightness.Type: GrantFiled: September 10, 2004Date of Patent: July 15, 2008Assignee: Hitachi Displays, Ltd.Inventors: Tomio Yaguchi, Takahiko Muneyoshi, Makoto Okai, Nobuaki Hayashi, Tomoki Nakamura
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Patent number: 7348721Abstract: A display device is disclosed for providing improved brightness and definition. The device includes a substrate which has anodes and phosphors formed on an inner surface thereof and a plurality of cathode lines that extend in one direction and include electron sources. Control electrodes are provided in a display region in a non-contrast manner. The control electrodes are formed on an inner surface of a back substrate and arranged to face a face substrate in an opposing manner. A support body is interposed between the face substrate and the back substrate such that the support body surrounds the display region and maintains a given distance. The device also includes a plurality of getters arranged between the support body and the partition wall body.Type: GrantFiled: October 20, 2006Date of Patent: March 25, 2008Assignee: Hitachi Displays, Ltd.Inventors: Shigemi Hirasawa, Tomoki Nakamura, Yuuichi Kijima
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Patent number: 7319286Abstract: A display device includes a front substrate having an anode and fluorescent materials on an inner surface, and a back substrate having a plurality of cathode lines and include electron sources, and a plurality of control electrodes allow electrons from the electron sources to emit to the front substrate side, on an inner surface thereof. The back substrate is arranged to face the front substrate in an opposed manner with a given gap therebetween, and an outer frame for holding the given gap is interposed between the front substrate and the back substrate and extends around the display region. An inner frame is arranged outside the display region and inside the outer frame, and a getter is provided between the outer frame and the inner frame.Type: GrantFiled: September 30, 2005Date of Patent: January 15, 2008Assignees: Hitachi Displays, Ltd., Hitachi Device Engineering Co., Ltd.Inventors: Yuuichi Kijima, Yoshiyuki Kaneko, Shigemi Hirasawa, Susumu Sasaki, Tomoki Nakamura, Hiroshi Kawasaki, Jun Ishikawa
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Patent number: 7291966Abstract: The present invention prevents a phenomenon that some electrons emitted from electron sources are charged to partition walls from influencing trajectories of the electrons thus preventing the shortage of excitation of phosphor layers. An image display device includes electron sources to which an electric current is supplied from scanning signal lines by way of current supply electrodes. The image display device also includes partition walls which are arranged on at least some of the scanning signal lines. Further, the current supply electrodes are connected with the electron sources on a downstream side of the scanning signal lines.Type: GrantFiled: August 16, 2005Date of Patent: November 6, 2007Assignee: Hitachi Displays, Ltd.Inventors: Yoshiyuki Kaneko, Masakazu Sagawa, Toshiaki Kusunoki, Tomoki Nakamura
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Patent number: 7282851Abstract: A display device includes a back substrate having a plurality of cathode lines, and a plurality of control electrodes, which are insulated from the cathode lines on an inner surface thereof, and a front substrate which is arranged to face the back substrate in an opposed manner with a set distance therebetween, and which has phosphors and an anode which constitute a display region, on an inner surface thereof. Distance holding members are provided for maintaining the set distance between the back substrate and the front substrate inside of the display region. The phosphors are constituted of three colors, and the cathode lines are formed into groups each consisting of three cathode lines corresponding to the three colors. The plurality of cathode lines include line portions and cathode portions which are wider than the line portions. Electron sources are formed on the cathode portions.Type: GrantFiled: May 24, 2006Date of Patent: October 16, 2007Assignee: Hitachi Displays, Ltd.Inventors: Yuuichi Kijima, Yoshiyuki Kaneko, Shigemi Hirasawa, Susumu Sasaki, Tomoki Nakamura
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Publication number: 20070200484Abstract: A flat panel display device is provided which prevents color mixture of the phosphor surface thereof to promote high brightness and longer operation life. The flat panel display device is configured such that a front substrate 2 provided with the phosphor surface and a back substrate 1 provided with electron sources 10 arranged in a matrix manner are arranged to be opposed to each other via a support frame 3 and both the substrates 1, 2 and the support frame 3 are hermetically sealed. The electron source 10 has a triangular surface which faces the front substrate 2.Type: ApplicationFiled: February 26, 2007Publication date: August 30, 2007Inventors: Tsutomu Kuniyasu, Go Saitou, Terunobu Satou, Hideyuki Shintani, Tomoki Nakamura, Katsuhide Aoto, Masakazu Sagawa, Yoshiro Mikami
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Publication number: 20070200801Abstract: In a display device is capable of performing the gradation display of high bits by regulating the sheet resistance of the signal lines according to the set operation conditions of a display panel, plural pixels that are formed of plural sub-pixels each consisting of a pair of a cathode and a phosphor layer are arranged in a matrix to constitute a two-dimensional display region, and wherein when Ry is a vertical resolution of the display region, ? is a cathode efficiency, Ies is a peak current per color sub-pixel, Ed [V] is the maximum amplitude of a drive voltage that is applied to the signal lines, b is the number of gradation bits, and SR[?/?] is a sheet resistance of the signal lines, SR<?·Ed/3·2b·Ies·Ry is satisfied.Type: ApplicationFiled: February 16, 2007Publication date: August 30, 2007Inventors: Tomoki Nakamura, Katsuhide Aoto, Masakazu Sagawa, Toshiaki Kusunoki, Toshimitsu Watanabe, Yoshiro Mikami
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Patent number: 7239077Abstract: For absorbing a high voltage when an abnormal discharge is generated between an anode and another electrode, between an anode ADE and a control electrode G1, a surge current absorbing electrode G2 which has a plurality of electron beam passing holes AHL which allow electron beams to pass therethrough is arranged, and a DC bias power source DCG and a spark gap SG are connected in parallel between the surge current absorbing electrode G2 and a ground surface.Type: GrantFiled: June 2, 2004Date of Patent: July 3, 2007Assignee: Hitachi Displays, Ltd.Inventors: Tomoki Nakamura, Yoshiyuki Kaneko
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Publication number: 20070146620Abstract: A liquid crystal display element includes: a first substrate having a first surface and including a pixel electrode; a second substrate having a second surface opposing to the first surface, and including a light-shielding film, a thickness adjusting film and a counter electrode arranged in sequence in a direction to the second surface; a sealing material having a frame-shape to bond the first substrate and the second substrate; a liquid crystal layer provided in a region surrounded by the sealing material and between the first substrate and the second substrate, wherein the thickness adjusting film is provided to cover the light-shielding film to define the thickness of the liquid crystal layer, and has a contact hole, wherein the counter electrode is provided to oppose to the pixel electrode, and electrically connected to the light shielding film via the contact hole.Type: ApplicationFiled: December 22, 2006Publication date: June 28, 2007Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Toshio Araki, Makoto Hirakawa, Tomoki Nakamura
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Publication number: 20070114912Abstract: An image display device is disclosed in which poor display resulting from deflection of electron bundles which occurs due to electrification of spacers and secondary electron emission can be positively prevented and a high-quality display can be therefore obtained. In the image display device, electron sources in the vicinity of the spacers are displaced with respect to arranging positions at equal pitches, by distances which allow drifts of the electron bundles from phosphors, which are brought about by the deflection of the electron bundles which occurs due to electrification of the spacers and secondary electron emission, to be cancelled.Type: ApplicationFiled: November 14, 2006Publication date: May 24, 2007Inventors: Tsutomu Kuniyasu, Go Saitou, Terunobu Satou, Tomoki Nakamura
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Patent number: 7221086Abstract: To provide a display device having the long lifetime and the high reliability by preventing the generation of a spark or a dark current between terminals of cathode lines and an anode, a shielding member is arranged between the terminals of the cathode lines and the anode so as to ensure shielding between the terminals and the anode.Type: GrantFiled: September 22, 2003Date of Patent: May 22, 2007Assignee: Hitachi Displays, Ltd.Inventors: Tomoki Nakamura, Yuuichi Kijima, Yoshiyuki Kaneko, Toshifumi Ozaki, Shigemi Hirasawa
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Publication number: 20070103087Abstract: To detect a dark current when an abnormal discharge occurs between an anode and respective electrodes, on an inner surface of a front substrate, a dark current detection electrode is formed in a state that the dark current detection electrode is positioned adjacent to the outside of a screen display region on which an anode is formed and on a plane substantially equal to a plane on which the anode is formed. Then, between an electrode terminal of the dark current detection electrode and a ground, an ammeter which detects the flow of a dark current and a DC power source having a preset voltage value which is more or less lower than a high voltage supplied to the anode are connected in series.Type: ApplicationFiled: December 28, 2006Publication date: May 10, 2007Inventors: Tomoki Nakamura, Yoshiyuki Kaneko, Toshifumi Ozaki
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Publication number: 20070070000Abstract: The present invention provides an image display device which suppresses the generation of sparks between end portions of divided portions and an anode when data signal lines are divided in two. Within a display region, between scanning lines GAN, GB1, data signal lines are divided in two in one direction of the data signal lines, that is, into upper data signal lines DA and lower data signal lines DB. Assuming a width of the data signal lines DA, DB as W, and a distance between opposedly-facing end portions of the divided electrode portions as S, and a pitch of the data signal lines as P, by establishing a relationship S?W/2, the influence of a potential attributed to an abnormal charge which concentrates on the end portion of the data signal line spreads radially and does not extend to a center portion of the divided portion thus suppressing an abnormal discharge.Type: ApplicationFiled: September 20, 2006Publication date: March 29, 2007Inventors: Tomoki Nakamura, Toshiaki Kusunoki, Masakazu Sagawa, Yuichi Inoue, Toshimitsu Watanabe