Patents by Inventor Katsutoshi Shindo
Katsutoshi Shindo 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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Patent number: 8154476Abstract: A plasma display device includes plasma display panel and a data driver. Plasma display panel includes a front substrate and a rear substrate faced to each other to form a discharge space therebetween. The front substrate includes a plurality of display electrodes, each having scan electrode and sustain electrode. The rear substrate includes a plurality of data electrodes intersected with the display electrodes. Discharges cells are formed at the intersections of the display electrodes and data electrodes. Data electrodes have a plurality of main electrode parts) formed in portions facing the display electrodes, and wiring parts that connect main electrode parts and have a width smaller than the widths of main electrode parts. Further, the corner of main electrode part is chamfered.Type: GrantFiled: February 27, 2007Date of Patent: April 10, 2012Assignee: Panasonic CorporationInventors: Tetsuya Shirai, Katsutoshi Shindo
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Patent number: 8081173Abstract: A plasma display panel includes a front substrate and a rear substrate faced to each other to form a discharge space therebetween. The front substrate includes a plurality of display electrodes, each made of a scan electrode and a sustain electrode. The rear substrate includes a plurality of data electrodes intersected with the display electrodes. Discharges cells are formed at the intersections of the display electrodes and the data electrodes. The data electrodes have a plurality of main electrode parts in portions faced to the display electrodes, and wiring parts connecting the main electrode parts together and narrower than the main electrode parts. Further, each main electrode part is disposed so that ends thereof in the longitudinal direction of the data electrode substantially correspond to the furthest separated long sides of the scan electrode and the sustain electrode in the discharge cell.Type: GrantFiled: February 27, 2007Date of Patent: December 20, 2011Assignee: Panasonic CorporationInventors: Katsutoshi Shindo, Tetsuya Shirai
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Patent number: 8026907Abstract: A plasma display device includes plasma display panel and a data driver. Plasma display panel includes a front substrate and a rear substrate faced to each other to form a discharge space therebetween. The front substrate includes a plurality of display electrodes. The rear substrate includes a plurality of data electrodes intersected with the display electrodes. Discharges cells are formed at the intersections of the display electrodes and data electrodes. Data electrodes have a plurality of main electrode parts provided in portions facing the display electrodes, and wiring parts that connect main electrode parts together and have a width smaller than the widths of main electrode parts. The widths of main electrode parts in a peripheral portion of plasma display panel are larger than the widths of main electrode parts in a central portion thereof.Type: GrantFiled: February 27, 2007Date of Patent: September 27, 2011Assignee: Panasonic CorporationInventors: Tetsuya Shirai, Katsutoshi Shindo
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Publication number: 20090289925Abstract: A plasma display device includes plasma display panel and a data driver. Plasma display panel includes a front substrate and a rear substrate faced to each other to form a discharge space therebetween. The front substrate includes a plurality of display electrodes. The rear substrate includes a plurality of data electrodes intersected with the display electrodes. Discharges cells are formed at the intersections of the display electrodes and data electrodes. Data electrodes have a plurality of main electrode parts provided in portions facing the display electrodes, and wiring parts that connect main electrode parts together and have a width smaller than the widths of main electrode parts. The widths of main electrode parts in a peripheral portion of plasma display panel are larger than the widths of main electrode parts in a central portion thereof.Type: ApplicationFiled: February 27, 2007Publication date: November 26, 2009Applicant: Matsushita Electric Industrial Co., Ltd.Inventors: Tetsuya Shirai, Katsutoshi Shindo
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Publication number: 20090278822Abstract: A plasma display panel includes a front substrate and a rear substrate faced to each other to form a discharge space therebetween. The front substrate includes a plurality of display electrodes, each made of a scan electrode and a sustain electrode. The rear substrate includes a plurality of data electrodes intersected with the display electrodes. Discharges cells are formed at the intersections of the display electrodes and the data electrodes. The data electrodes have a plurality of main electrode parts in portions faced to the display electrodes, and wiring parts connecting the main electrode parts together and narrower than the main electrode parts. Further, each main electrode part is disposed so that ends thereof in the longitudinal direction of the data electrode substantially correspond to the furthest separated long sides of the scan electrode and the sustain electrode in the discharge cell.Type: ApplicationFiled: February 27, 2007Publication date: November 12, 2009Applicant: PANASONIC CORPORATIONInventors: Katsutoshi Shindo, Tetsuya Shirai
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Publication number: 20090153440Abstract: A plasma display device includes plasma display panel and a data driver. Plasma display panel includes a front substrate and a rear substrate faced to each other to form a discharge space therebetween. The front substrate includes a plurality of display electrodes, each having scan electrode and sustain electrode. The rear substrate includes a plurality of data electrodes intersected with the display electrodes. Discharges cells are formed at the intersections of the display electrodes and data electrodes. Data electrodes have a plurality of main electrode parts) formed in portions facing the display electrodes, and wiring parts that connect main electrode parts and have a width smaller than the widths of main electrode parts. Further, the corner of main electrode part is chamfered.Type: ApplicationFiled: February 27, 2007Publication date: June 18, 2009Applicant: Matsushita Electric Industrial Co., Ltd.Inventors: Tetsuya Shirai, Katsutoshi Shindo
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Patent number: 7235928Abstract: A gas discharge panel capable of high-speed driving at a low drive voltage, while suppressing the occurrence of write errors in a write period, and a manufacturing method for the same. To achieve this, in the gas discharge panel of the present invention, a secondary gas formed from at least one of carbon dioxide, water vapor, oxygen and nitrogen is induced into discharge spaces 30 evacuated until the residual gas pressure is 0.02 mPa or less, and an He—Xe or Ne—Xe rare gas (discharge gas) is induced into discharge spaces 30. The amount of the secondary gas included within discharge spaces 30 when, for example, carbon dioxide is included therein, is suitably set in terms of both a discharge starting voltage and an electron emission ability, so that the partial pressure of the carbon dioxide is in a range of 0.05 mPa to 0.5 mPa inclusive.Type: GrantFiled: May 31, 2002Date of Patent: June 26, 2007Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Akira Shiokawa, Koji Akiyama, Tetsuya Imai, Katsutoshi Shindo, Hidetaka Higashino, Koichi Kotera, Kanako Miyashita
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Patent number: 7138966Abstract: The present invention provides a plasma display device for displaying a high quality image, and its driving method, with which the production cost and power consumption may be reduced and write errors may be suppressed. In the driving method, the length of the erase period D2 is T0+160 ?sec, based on the number of sustain pulses being greater than or equal to 25 and less than 50 in the discharge sustain period C2. The length is set by a T1 setting unit according to the information on the number of the sustain pulses sent from a preprocessor in a driving unit, and a T1 table stored in a T1 table storage unit. The T1 setting unit sets T1=160 ?sec referring to an extension time period T1 corresponding to the number of sustain pulses that is greater than or equal to 25 and less than 50 in the T1 table.Type: GrantFiled: June 11, 2002Date of Patent: November 21, 2006Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Katsutoshi Shindo, Kenji Ogawa, Shigeyuki Okumura, Takatsugu Kurata
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Patent number: 7068245Abstract: A plasma display apparatus has a waveform of a driving voltage supplied from a driver. The waveform has a sustaining period when a sustaining pulse is alternately applied to scanning electrodes and sustain electrodes for keeping discharge. Besides, the waveform has an erasing period when a ramp voltage pulse whose polarity differs from that of a sustaining pulse is applied to an electrode, which differs from an electrode where a last pulse of the sustaining pulse is applied. As a result, false discharge is prevented, and a stable image can be displayed.Type: GrantFiled: June 24, 2003Date of Patent: June 27, 2006Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Nobuaki Nagao, Junpei Hashiguchi, Katsutoshi Shindo, Toshikazu Wakabayashi
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Publication number: 20040263433Abstract: A plasma display apparatus has a waveform of a driving voltage supplied from a driver. The waveform has a sustaining period when a sustaining pulse is alternately applied to scanning electrodes and sustain electrodes for keeping discharge. Besides, the waveform has an erasing period when a ramp voltage pulse whose polarity differs from that of a sustaining pulse is applied to an electrode, which differs from an electrode where a last pulse of the sustaining pulse is applied. As a result, false discharge is prevented, and a stable image can be displayed.Type: ApplicationFiled: June 24, 2003Publication date: December 30, 2004Inventors: Nobuaki Nagao, Junpei Hashiguchi, Katsutoshi Shindo, Toshikazu Wakabayashi
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Publication number: 20040233134Abstract: The present invention provides a plasma display device for displaying a high quality image, and its driving method, with which the production cost and power consumption may be reduced and write errors may be suppressed. In the driving method, the length of the erase period D2 is T0+160 &mgr;sec, based on the number of sustain pulses being greater than or equal to 25 and less than 50 in the discharge sustain period C2. The length is set by a T1 setting unit according to the information on the number of the sustain pulses sent from a preprocessor in a driving unit, and a T1 table stored in a T1 table storage unit. The T1 setting unit sets T1=160 &mgr;sec referring to an extension time period T1 corresponding to the number of sustain pulses that is greater than or equal to 25 and less than 50 in the T1 table.Type: ApplicationFiled: June 4, 2004Publication date: November 25, 2004Inventors: Katsutoshi Shindo, Kenji Ogawa, Shigeyuki Okumura, Takatsugu Kurata
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Publication number: 20040150337Abstract: A gas discharge panel capable of high-speed driving at a low drive voltage, while suppressing the occurrence of write errors in a write period, and a manufacturing method for the same. To achieve this, in the gas discharge panel of the present invention, a secondary gas formed from at least one of carbon dioxide, water vapor, oxygen and nitrogen is induced into discharge spaces 30 evacuated until the residual gas pressure is 0.02 mPa or less, and an He—Xe or Ne—Xe rare gas (discharge gas) is induced into discharge spaces 30. The amount of the secondary gas included within discharge spaces 30 when, for example, carbon dioxide is included therein, is suitably set in terms of both a discharge starting voltage and an electron emission ability, so that the partial pressure of the carbon dioxide is in a range of 0.05 mPa to 0.5 mPa inclusive.Type: ApplicationFiled: April 5, 2004Publication date: August 5, 2004Inventors: Akira Shiokawa, Koji Akiyama, Tetsuya Imai, Katsutoshi Shindo, Hidetaka Higashino, Koichi Kotera, Kanako Miyashita
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Patent number: 6650053Abstract: A surface-discharge type display device is provided that can reduce power consumption during sustain discharge and suppress the occurrence of illumination failures. A display electrode and a display scan electrode are aligned on a substrate, and a dielectric layer is formed on the substrate so as to cover the display electrode and the display scan electrode. An area having a lower relative permittivity than the dielectric layer is formed in an area surrounded on three sides by the display electrode, the display scan electrode, and the substrate. The dielectric layer allows sufficient wall charges for surface discharge to be accumulated, whereas the lower relative permittivity area allows the capacitance between the display electrode and the display scan electrode to be decreased. Accordingly, the power consumption during sustain discharge is reduced without causing illumination failures.Type: GrantFiled: January 25, 2001Date of Patent: November 18, 2003Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Yuusuke Takada, Ryuichi Murai, Akira Shiokawa, Katsutoshi Shindo
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Publication number: 20010015623Abstract: A surface-discharge type display device is provided that can reduce power consumption during sustain discharge and suppress the occurrence of illumination failures. A display electrode and a display scan electrode are aligned on a substrate, and a dielectric layer is formed on the substrate so as to cover the display electrode and the display scan electrode. An area having a lower relative permittivity than the dielectric layer is formed in an area surrounded on three sides by the display electrode, the display scan electrode, and the substrate. The dielectric layer allows sufficient wall charges for surface discharge to be accumulated, whereas the lower relative permittivity area allows the capacitance between the display electrode and the display scan electrode to be decreased. Accordingly, the power consumption during sustain discharge is reduced without causing illumination failures.Type: ApplicationFiled: January 25, 2001Publication date: August 23, 2001Inventors: Yuusuke Takada, Ryuichi Murai, Akira Shiokawa, Katsutoshi Shindo