Patents by Inventor Norio Nihei
Norio Nihei 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: 20110234576Abstract: A method of driving an information display device including displaying information of one frame by performing a scanning operation with respect to line electrodes on one substrate and column electrodes on another substrate, such that a voltage is applied to the line electrodes from one end to the other end. Then, a voltage for generating a cross-talk in the first color and a voltage for generating a cross-talk in the second color is applied to all cells one or more times respectively after the one frame is displayed. The information of the one frame is an image, and two or more lines of line electrodes are added at the end of the scanning operation, and a drive, in which a display of the first color and a display of the second color are performed one or more times respectively, is performed after the scanning operation is finished.Type: ApplicationFiled: June 3, 2011Publication date: September 29, 2011Applicant: BRIDGESTONE CORPORATIONInventors: Maki MASUTANI, Norio Nihei, Shuhei Tsuchie
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Publication number: 20110234575Abstract: When information of one frame such as an image is displayed by performing a scanning operation with respect to line electrodes consisting of a plurality of electrodes extending in a line direction on one substrate and column electrodes consisting of a plurality electrodes extending in a column direction on the other substrate in such a manner that a voltage is applied to the line electrodes from one end to the other end, a voltage for generating a cross-talk in the first color and a voltage for generating a cross-talk in the second color are applied to all the cells of a display portion once or more times respectively after one frame is displayed. Specifically, two or more lines are added at the end of the scanning operation, and a drive, in which a display of the first color and a display of the second color are performed one or more times respectively, is performed after one scanning operation is finished (first aspect).Type: ApplicationFiled: June 3, 2011Publication date: September 29, 2011Applicant: BRIDGESTONE CORPORATIONInventors: Maki Masutani, Norio Nihei, Shuhei Tsuchie
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Publication number: 20110181564Abstract: A method of driving an information display panel in which a display medium 3 comprised of a particle group containing chargeable particles is sealed between two opposing substrates 1, 2, at least one of which substrates is transparent, and, the display medium is moved between the substrates in accordance with an electric filed applied based on electrodes 5, 6 provided to the respective substrates, thereby to display information, in which, at a time of erasing a display, an entire screen AL for displaying the information is divided into a plurality of subareas DA-1, DA-2, and, one-time erasing is sequentially performed for each of the plurality of subareas. It is possible to reduce a peak value of electric power consumption, while performing erasing in a short period of time as compared with a case where line erasing is performed.Type: ApplicationFiled: October 2, 2009Publication date: July 28, 2011Applicant: BRIDGESTONE CORPORATIONInventors: Akihiko Yokoo, Norio Nihei
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Patent number: 7973761Abstract: In a method of driving an information display panel of a passive matrix driving type, in which display media are sealed in a space between two substrates, at least one substrate being transparent, and, in which an electrostatic field, which is generated from an electrode at scan side and an electrode at data side arranged respectively to the opposed substrates in an intersected manner, is applied to the display media so as to display information such as an image, at least two or more voltage values or an open state (including a connection state under a high-impedance state) are applied to at least one electrode. According to the invention, it is possible to obtain a method of driving an information display panel, which can reduce a cross-talk occurring voltage generated between the electrode at scan side and the electrode at data side and thus improve a display quality.Type: GrantFiled: November 16, 2006Date of Patent: July 5, 2011Assignee: Bridgestone CorporationInventors: Akihiko Yokoo, Norio Nihei
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Patent number: 7973740Abstract: A method of driving an information display device including displaying information of one frame by performing a scanning operation with respect to line electrodes on one substrate and column electrodes on another substrate, such that a voltage is applied to the line electrodes from one end to the other end. Then, a voltage for generating a cross-talk in the first color and a voltage for generating a cross-talk in the second color is applied to all cells one or more times respectively after the one frame is displayed. The information of the one frame is an image, and two or more lines of line electrodes are added at the end of the scanning operation, and a drive, in which a display of the first color and a display of the second color are performed one or more times respectively, is performed after the scanning operation is finished.Type: GrantFiled: April 20, 2005Date of Patent: July 5, 2011Assignee: Bridgestone CorporationInventors: Maki Masutani, Norio Nihei, Shuhei Tsuchie
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Patent number: 7755600Abstract: In an information display device according to the first to third inventions of the present invention, when a particle movement type information display device of passive matrix drive and dynamic drive is driven, the particle movement type information display device configured to be driven by using a drive circuit having an output stage equivalent circuit capable of outputting only two values of a predetermined drive voltage value and ground level (0V).Type: GrantFiled: April 19, 2005Date of Patent: July 13, 2010Assignee: Bridgestone CorporationInventors: Norio Nihei, Shuhei Tsuchie
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Patent number: 7705823Abstract: Each embodiment relates to an image display device which comprises an image display panel, in which two or more groups of particles having different colors and different charge characteristics are sealed between two substrates, at least one of two substrates being transparent, and, in which the particles, to which an electrostatic field produced by a pair of electrodes provided on one or both substrates is applied, are made to fly and move so as to display an image.Type: GrantFiled: February 7, 2003Date of Patent: April 27, 2010Assignee: Bridgestone CorporationInventors: Norio Nihei, Hajime Kitano, Gaku Yakushiji, Kazuya Murata, Koji Takagi, Yoshitomo Masuda, Takahiro Kawagoe, Reiji Hattori
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Publication number: 20100020046Abstract: A method of driving an information display panel: in which at least one group of display media constituted by at least one group of particles, at least one substrate being transparent; in which the display media, to which an electrostatic field generated between the substrates is applied, are made to move so as to display information such as an image; and in which an electrostatic field is applied more than once for moving the display media in respective pixels; is disclosed. In the method of driving an information display panel, during a time interval at which an electrostatic field is not applied in the course of said multiple electrostatic field application, an electrostatic field application for the other multiple electrostatic field application is performed.Type: ApplicationFiled: September 20, 2007Publication date: January 28, 2010Applicant: BRIDGESTONE CORPORATIONInventors: Norio Nihei, Akihiko Yokoo
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Patent number: 7646530Abstract: In particles for image displaying used in an image display device, in which one or more kind of particles are sealed between opposed substrates, at least one substrate being transparent, and, in which the particles are made to fly and move so as to display an image, each particle has a micro-irregularity at its surface. Moreover, in an image display device, in which one or more kind of particles are sealed between opposed substrates, at least one substrate being transparent, and, in which the particles, to which an electrostatic field produced by two kinds of electrodes having different potentials is applied, are made to fly and move so as to display an image, use is made of each particle having a micro-irregularity at its surface.Type: GrantFiled: April 17, 2003Date of Patent: January 12, 2010Assignee: Bridgestone CorporationInventors: Koji Takagi, Kazuya Murata, Norio Nihei, Gaku Yakushiji, Hajime Kitano, Yoshitomo Masuda, Takahiro Kawagoe
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Patent number: 7646358Abstract: In an image display device which has an image display panel, in which two or more groups of particles or liquid powders having different colors and different charge characteristics are sealed between opposed two substrates, at least one of two substrates being transparent, and, in which the particles or the liquid powders, to which an electrostatic field produced by a pair of electrodes provided on one substrate or both substrates respectively is applied, are made to move so as to display an image, a chip for transmitting a drive signal to the image display panel is arranged in the substrate (first aspect of the invention), or, the two substrates are constructed by a transparent substrate and the pair of electrodes are constructed by a transparent electrode (second aspect of the invention).Type: GrantFiled: July 8, 2003Date of Patent: January 12, 2010Assignee: Bridgestone CorporationInventors: Reiji Hattori, Itsuo Tanuma, Yoshitomo Masuda, Norio Nihei, Ryou Sakurai, Hajime Tamura, Hirotaka Yamazaki
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Patent number: 7525719Abstract: The present invention intends to provide particles for displaying images used in an image display device capable of displaying and eliminating repeatedly accompanied by flight and movement of particles utilizing Coulomb force, being superior in stability, particularly in repetition durability, memory characteristic stability, adaptability for temperature change, having capability of regulating charge amount, and accordingly, favorable images with sufficient contrast should be stably obtained. The present invention provides particles coated with a resin; specifying Span of particle diameter distribution, charge attenuation property, thermal change of the surface hardness, tensile break strength, Izod impact strength (with a notch), abrasion loss (Taber), tensile elastic modulus, flexural elastic modulus, or tear strength. The present invention also proposes about the structure of the particles.Type: GrantFiled: September 19, 2002Date of Patent: April 28, 2009Assignee: Bridgestone CorporationInventors: Gaku Yakushiji, Hajime Kitano, Kazuya Murata, Norio Nihei, Koji Takagi, Yoshitomo Masuda, Takahiro Kawagoe
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Publication number: 20090040190Abstract: In an information equipment including: a display device having display memory properties, which displays information by a passive drive or an active drive, in which scan electrodes are sequentially addressed; and a position detector for detecting a position of an input means; wherein a display information is updated in accordance with an input of the position detector, a plurality of scan electrodes are selected simultaneously, when the display information is to be changed. Hereby, even in the case of using a display device, which displays information by a passive drive or an active drive, in which scan electrodes are sequentially addressed, the information equipment, in which display speed is not slow, can be provided.Type: ApplicationFiled: February 21, 2007Publication date: February 12, 2009Applicant: BRIDGESTONE CORPORATIONInventors: Norio Nihei, Akihiko Yokoo, Shuhei Yamada
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Publication number: 20080278411Abstract: When information of one frame such as an image is displayed by performing a scanning operation with respect to line electrodes consisting of a plurality of electrodes extending in a line direction on one substrate and column electrodes consisting of a plurality electrodes extending in a column direction on the other substrate in such a manner that a voltage is applied to the line electrodes from one end to the other end, a voltage for generating a cross-talk in the first color and a voltage for generating a cross-talk in the second color are applied to all the cells of a display portion once or more times respectively after one frame is displayed. Specifically, two or more lines are added at the end of the scanning operation, and a drive, in which a display of the first color and a display of the second color are performed one or more times respectively, is performed after one scanning operation is finished (first aspect).Type: ApplicationFiled: April 20, 2005Publication date: November 13, 2008Inventors: Maki Masutani, Norio Nihei, Shuhei Tsuchie
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Publication number: 20080094379Abstract: The information display system has: a display panel portion 100, in which display media are sealed in a closed space between opposed two substrates, at least one substrate being transparent, and, in which the display media, to which an electrostatic filed is applied, are made to move so as to display information such as an image; and a control CPU 101 constantly connected to the display panel portion 100. In the control CPU, a driving program is installed, and, in the case that displayed information on the display panel portion 100 is continuously displayed without varying for more than a predetermined time (for example, one day or one week), an action, such that the displayed information is changed back to an original display information after making even or reversing an electric field distribution of the display media, is performed at least one time.Type: ApplicationFiled: August 19, 2005Publication date: April 24, 2008Inventors: Maki Masutani, Norio Nihei, Shuhei Tsuchie
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Patent number: 7321459Abstract: In the image display device according to the first aspect of the invention, a liquid powder composed of a solid material stably floating as a dispersant in a gas and exhibiting a high fluidity in an aerosol state is sealed between opposed substrates, at least one substrate being transparent, and the liquid powder is moved. Moreover, in the image display device according to the second aspect of the invention, a porous spacer is arranged between opposed substrates, at least one substrate being transparent, a liquid powder composed of a solid material stably floating as a dispersant in gas and exhibiting a high fluidity in an aerosol state is sealed, and the liquid powder is moved.Type: GrantFiled: March 6, 2003Date of Patent: January 22, 2008Assignee: Bridgestone CorporationInventors: Yoshitomo Masuda, Gaku Yakushiji, Kazuya Murata, Norio Nihei, Koji Takagi, Itsuo Tanuma, Hajime Kitano, Takahiro Kawagoe
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Publication number: 20070211020Abstract: In an information display device according to the first to third inventions of the present invention, when a particle movement type information display device of passive matrix drive and dynamic drive is driven, the particle movement type information display device configured to be driven by using a drive circuit having an output stage equivalent circuit capable of outputting only two values of a predetermined drive voltage value and ground level (0V).Type: ApplicationFiled: April 19, 2005Publication date: September 13, 2007Inventors: Norio Nihei, Shuhei Tsuchie
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Publication number: 20070120816Abstract: In a method of driving an information display panel of a passive matrix driving type, in which display media are sealed in a space between two substrates, at least one substrate being transparent, and, in which an electrostatic field, which is generated from an electrode at scan side and an electrode at data side arranged respectively to the opposed substrates in an intersected manner, is applied to the display media so as to display information such as an image, at least two or more voltage values or an open state (including a connection state under a high-impedance state) are applied to at least one electrode. According to the invention, it is possible to obtain a method of driving an information display panel, which can reduce a cross-talk occurring voltage generated between the electrode at scan side and the electrode at data side and thus improve a display quality.Type: ApplicationFiled: November 16, 2006Publication date: May 31, 2007Inventors: Akihiko Yokoo, Norio Nihei
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Patent number: 7224510Abstract: A reversible image display panel which comprises a pair of substrates one of which is transparent and a group of particles charged with single polarity, a group of particles with single color charged with single polarity, a group of particles having portions with different colors and different charge characteristics, or two groups of particles with different charge characteristics each enclosed between the substrates, characterized in applying an electric field across the substrates, and displaying images by flying and moving the particles. The reversible image display panel and the image display device in accordance with the invention have fast response speed and simple structure, being superior in stability and vividity. In an occasion of driving, generation of the strong electric field is unnecessary for them and accordingly, electric circuits can be assembled employing general purpose electronic materials.Type: GrantFiled: November 21, 2002Date of Patent: May 29, 2007Assignee: Bridgestone CorporationInventors: Hajime Kitano, Gaku Yakushiji, Kazuya Murata, Norio Nihei, Koji Takagi, Yoshitomo Masuda, Takahiro Kawagoe
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Publication number: 20070052666Abstract: In an image display device, in which image display media are sealed between opposed substrates, at least one of two substrates being transparent, and, in which the image display media, to which an electrostatic field is applied, are made to move so as to display an image, at least back substrate positioned at a rear side with respect to a visual side is made of a resin material. Moreover, a substrate stacking apparatus is constructed by a reading mechanism for optically reading an alignment mark; a stage for fixing at least one substrate; and a driving mechanism for driving the stage in a horizontal direction (xy direction); wherein the reading mechanism for performing the optical reading is arranged on the stage for fixing a lower substrate.Type: ApplicationFiled: May 20, 2004Publication date: March 8, 2007Inventors: Itsuo Tanuma, Hajime Tamura, Shinichi Kita, Norio Nihei
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Publication number: 20060238488Abstract: Each embodiment relates to an image display device which comprises an image display panel, in which two or more groups of particles having different colors and different charge characteristics are sealed between two substrates, at least one of two substrates being transparent, and, in which the particles, to which an electrostatic field produced by a pair of electrodes provided on one or both substrates is applied, are made to fly and move so as to display an image.Type: ApplicationFiled: February 7, 2003Publication date: October 26, 2006Inventors: Norio Nihei, Hajime Kitano, Gaku Yakushiji, Kazuya Murata, Koji Takagi, Yoshitomo Masuda, Takahiro Kawagoe, Reiji Hattori