Patents by Inventor Naoki Kosugi
Naoki Kosugi 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: 20150116267Abstract: An input device for detecting a touch operation performed by a user includes a plurality of driving electrodes, and a plurality of detection electrodes which are disposed intersecting with the driving electrodes. The input device detects a position touched by a user by applying a driving signal to the driving electrode and detecting a detection signals outputted from each of the detection electrodes. The detection signal varies with a change in capacitance at an intersection between the driving electrode and the detection electrode. The input device further includes a plurality of signal correctors, each of which is provided for each driving electrode. The signal corrector is configured to add a correction signal to the driving signal in a rising portion and/or a falling portion of the driving signal and apply the driving signal added with the correction signal to the driving electrode.Type: ApplicationFiled: October 30, 2014Publication date: April 30, 2015Inventors: Shuji INOUE, Hiroyuki KADO, Naoki KOSUGI, Toshiyuki AOYAMA, Shigeo KASAHARA, Manabu INOUE, Akira TOKAI, Kazushige TAKAGI, Takahito NAKAYAMA
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Publication number: 20150116266Abstract: An input device that can prevent a reduction in the accuracy of detection of a contact position, even when a display device operates in a PSR mode, is provided. The input device is provided in a display device configured to operate in either a first mode or a second mode and is configured to detect a contact position of a user. The input device includes a plurality of driving electrodes and a touch controller. The touch controller is configured to determine the operation mode of the display device, configured to generate touch driving signal based on a result of the determination, and configured to apply the generated touch driving signals to the driving electrodes.Type: ApplicationFiled: October 29, 2014Publication date: April 30, 2015Inventors: Manabu INOUE, Hiroyuki KADO, Shigeo KASAHARA, Naoki KOSUGI, Toshiyuki AOYAMA, Shuji INOUE, Kazushige TAKAGI, Akira TOKAI, Takahito NAKAYAMA
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Publication number: 20150109248Abstract: An input device which is a capacitive coupling type and can reduce visibility of wiring patterns of electrodes and interference fringes is provided. The input device is included in a display device including a plurality of pixels, and is configured to detect a contact position of a user. The input device includes a plurality of first electrodes, a plurality of second electrodes disposed so as to cross the first electrodes, and a plurality of third electrodes disposed between the second electrodes. Slits extending obliquely with respect to an extension direction of the second electrodes are formed between the third electrodes.Type: ApplicationFiled: October 22, 2014Publication date: April 23, 2015Inventors: Akira TOKAI, Hiroyuki KADO, Shigeo KASAHARA, Naoki KOSUGI, Toshiyuki AOYAMA, Shuji INOUE, Kazushige TAKAGI, Manabu INOUE, Takahito NAKAYAMA
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Publication number: 20150103278Abstract: An object of the present technology is to provide a liquid crystal display device that includes a capacitance coupling type input device capable of easily being incorporated into the display device. The liquid crystal display device includes a liquid crystal panel and an input device. The liquid crystal panel includes: a TFT substrate having a plurality of pixel electrodes and a common electrode provided so as to be opposed to the pixel electrodes, and further includes a switching element for controlling application of a voltage to the pixel electrodes; and a counter substrate arranged so as to be opposed to the TFT substrate, and having a configuration in which color filters of at least three primary colors are arranged at positions corresponding to the pixel electrodes and a light-shielding portion is arranged between the color filters.Type: ApplicationFiled: December 19, 2014Publication date: April 16, 2015Inventors: Manabu INOUE, Hiroyuki KADO, Shigeo KASAHARA, Naoki KOSUGI, Akira TOKAI, Kazushige TAKAGI, Takahito NAKAYAMA
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Publication number: 20150103048Abstract: An object of the present technology is to provide a display device that includes an input device capable of easily being incorporated into the display device as a capacitance coupling type input device. The display device includes: a display panel having a plurality of pixel electrodes 19 and updating a display by sequentially applying a scanning signal to a TFT that controls application of a voltage to the pixel electrodes 19; and an input device having one of electrodes arranged in the periphery of the pixel electrode 19 of the display panel and the other electrode arranged so as to cross the one of electrodes, wherein a capacitive element is formed between the one of electrodes and the other electrode. The one of electrodes arranged in the periphery of the pixel electrode 19 is composed of a lower layer portion 27a made of a metallic material, and an upper layer portion 27b covering the lower layer portion 27a and made of the same material as the pixel electrode 19.Type: ApplicationFiled: December 19, 2014Publication date: April 16, 2015Inventors: Takahito NAKAYAMA, Hiroyuki KADO, Shigeo KASAHARA, Naoki KOSUGI, Manabu INOUE, Akira TOKAI, Kazushige TAKAGI
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Publication number: 20150049061Abstract: An object of the present technology is to improve the detection accuracy of a capacitance coupling type input device at a time of touch operation. An input device includes: a plurality of driving electrodes and a plurality of detection electrodes crossing each other; and capacitive elements formed in respective crossed portions between the driving electrodes and the detection electrodes.Type: ApplicationFiled: October 31, 2014Publication date: February 19, 2015Inventors: Kazushige TAKAGI, Manabu INOUE, Naoki KOSUGI, Takahito NAKAYAMA, Akira TOKAI, Shigeo KASAHARA, Hiroyuki KADO
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Publication number: 20150042616Abstract: It is an object of the present invention to enhance detection accuracy during a touch operation in a capacitance coupling type input device. The input device includes a plurality of driving electrodes and a plurality of detection electrodes crossing each other, and capacitive elements formed in respective crossed portions between the driving electrodes and the detection electrodes. During a touch detection period, a driving signal is applied to the driving electrodes on a line block basis of scanning signal lines, and touch is detected based on a detection signal output from each of the detection electrodes, and the touch detection period is provided in a display update period in a horizontal scanning period of a display apparatus. Further, a driving signal to be applied to the driving electrodes is applied to a selected line block of the display apparatus to which the scanning signal is not being applied.Type: ApplicationFiled: October 27, 2014Publication date: February 12, 2015Inventors: Kazushige TAKAGI, Manabu INOUE, Naoki KOSUGI, Takahito NAKAYAMA, Akira TOKAI, Shigeo KASAHARA, Hiroyuki KADO
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Patent number: 8507793Abstract: A structure of a panel which can be thinned down to about a panel thickness of a PDP and a manufacturing method thereof are provided. A gas filling hole is provided to a surface of a rear glass substrate of a PDP, the surface coming in contact with a front glass substrate of the PDP. Vacuuming and filling of a discharge gas are performed through the gas filling hole. After filling of the discharge gas, a mechanism for lifting solder iron up and down and supplying solder provided inside a chamber inserts a tip of an ultrasonic soldering iron into the gas filling hole to start supplying a solder which is a material for a plug sealant. When a series of forming steps of the plug sealant are finished, the ultrasonic soldering iron is retreated before the solder is solidified to finish formation of the plug sealant.Type: GrantFiled: February 15, 2011Date of Patent: August 13, 2013Assignee: Panasonic CorporationInventors: Shigeo Kasahara, Akira Tokai, Manabu Inoue, Naoki Kosugi, Toshiaki Yoshitani
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Publication number: 20110220384Abstract: A structure of a panel which can be thinned down to about a panel thickness of a PDP and a manufacturing method thereof are provided. A gas filling hole is provided to a surface of a rear glass substrate of a PDP, the surface coming in contact with a front glass substrate of the PDP. Vacuuming and filling of a discharge gas are performed through the gas filling hole. After filling of the discharge gas, a mechanism for lifting solder iron up and down and supplying solder provided inside a chamber inserts a tip of an ultrasonic soldering iron into the gas filling hole to start supplying a solder which is a material for a plug sealant. When a series of forming steps of the plug sealant are finished, the ultrasonic soldering iron is retreated before the solder is solidified to finish formation of the plug sealant.Type: ApplicationFiled: February 15, 2011Publication date: September 15, 2011Inventors: Shigeo KASAHARA, Akira Tokai, Manabu Inoue, Naoki Kosugi, Toshiaki Yoshitani
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Patent number: 7969081Abstract: A plasma display panel includes: pairs of electrodes having first electrode and second electrode which are arranged in parallel with each other; first substrate having dielectric layer formed so that the dielectric layer can cover the pairs of electrodes; and second substrate having third electrode which is arranged crossing the pairs of electrodes, and the plasma display panel further includes: floating electrodes, protruding onto a discharge space provided on dielectric layer at positions respectively corresponding to first electrode and second electrode, wherein floating electrodes are opposed to each other. Due to the above composition, the discharge starting voltage is reduced and the drive voltage is decreased. Accordingly, the light emitting efficiency is enhanced.Type: GrantFiled: September 7, 2006Date of Patent: June 28, 2011Assignee: Panasonic CorporationInventors: Naoki Kosugi, Yukihiro Morita, Masanori Miura, Shinichiro Hashimoto, Yoshio Watanabe
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Patent number: 7804247Abstract: A plasma display panel has a front panel (10) and a back panel (20) that is arranged with a discharge space (30) therebetween. On the surface of the front panel facing toward the discharge space, a scan electrode (102) and a sustain electrode (103) are arranged. A dielectric layer (104) and a protective layer (105) are provided to cover the electrodes thereof and the surface. Between the scan electrode and the sustain electrode, a recessed portion (10a) is arranged in the first panel surface. The bottom surface (10b) of the recessed portion is arranged more inward in a thickness direction of the first substrate than the surfaces of the first electrode and the second electrode facing the discharge space whereby low power consumption, improved luminous efficiency, and a suppressed increase of firing voltage is achieved.Type: GrantFiled: January 13, 2006Date of Patent: September 28, 2010Assignee: Panasonic CorporationInventors: Yukihiro Morita, Naoki Kosugi
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Publication number: 20090251388Abstract: The plasma display panels with low power consumption, improved luminous efficiency, and suppressed increase of the firing voltage. A plasma display panel of the present invention (1) has a front panel (10) and a back panel (20) that is arranged with a discharge space (30) therebetween. On the surface of the front panel facing toward the space, a scan electrode (102) and a sustain electrode (103) are arranged with a predetermined interval therebetween. A dielectric layer (104) and a protective layer (105) are provided so as to cover the electrodes thereof and the surface. Between the scan electrode and the sustain electrode, a recessed portion (10a) is arranged in the surface. The bottom surface (10b) of the recessed portion is kept more inward in the thickness direction of the first substrate than the surfaces of the first electrode and the second electrode facing the discharge space.Type: ApplicationFiled: January 13, 2006Publication date: October 8, 2009Inventors: Yukihiro Morita, Naoki Kosugi
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Patent number: 7589696Abstract: The present invention aims to provide a PDP apparatus and a driving method for the same which can improve display quality by reducing a peak value of a discharge current flowing in scan and sustain electrodes in a sustain period, without an increase in manufacturing cost. This is achieved as follows. A driving unit 20 applies a sustain data pulse 320 to a plurality of third electrodes in a sustain period T3. Here, a voltage waveform of the sustain data pulse 320 starts to rise after a voltage of each of pulses 300 and 310 applied to a pair of a scan electrode SCN and a sustain electrode SUS reaches a predetermined level. Furthermore, the sustain data pulse 320 rises at a different timing at least from a sustain data pulse 320 applied to an adjacent data electrode.Type: GrantFiled: November 13, 2003Date of Patent: September 15, 2009Assignee: Panasonic CorporationInventors: Shinichiro Hashimoto, Masatoshi Kitagawa, Yukihiro Morita, Naoki Kosugi
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Patent number: 7477209Abstract: During each set-up period, wall charges of scan electrodes and sustain electrodes, between which sustain discharges were generated in the previous subfield, are adjusted, and parts toward the sustain electrodes of positive charges in the scan electrodes are replaced by negative charges and parts toward the scan electrodes of negative charges in the sustain electrodes are replaced by positive charges. During each address period, write pulses are applied to the scan electrodes to generate write discharges utilizing priming discharges between the scan electrodes and priming electrodes. During each sustain period, positive charges are accumulated in the entire surfaces of the scan electrodes and negative charges are accumulated in the entire surfaces of the sustain electrodes.Type: GrantFiled: June 23, 2004Date of Patent: January 13, 2009Assignee: Panasonic CorporationInventors: Toshikazu Wakabayashi, Hiroyuki Tachibana, Naoki Kosugi, Ryuichi Murai, Kenji Ogawa, Yoshimasa Horie
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Publication number: 20080266211Abstract: A priming discharge is generated simultaneously in two adjacent priming discharge cells, and an address operation is performed sequentially in the main discharge cells in the odd rows of the four rows of main discharge cells which are adjacent to the priming discharge cells. After completion of the address operation in all main discharge cells in the odd rows, the priming discharge cells are once initialized. A priming discharge is generated again in the priming discharge cells, and an address operation is performed sequentially this time in the main discharge cells in the even rows which are adjacent to the priming discharge cells. This provides a PDP and a plasma display device which can stably generate an address discharge without narrowing the driving voltage margin of an address operation and reduce the number of driving circuits required for driving the priming electrodes, and also provides a method for driving the PDP.Type: ApplicationFiled: December 14, 2006Publication date: October 30, 2008Applicant: Matsushita Electric Industrial Co., Ltd.Inventors: Hiroyasu Makino, Toshikazu Wakabayshi, Hiroyuki Tachibana, Naoki Kosugi, Kazuya Nomoto
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Patent number: 7432880Abstract: A method of driving a plasma display panel having display electrode pairs each one of which pairs is formed of a scan electrode and a sustain electrode. A priming electrode is placed in every other spaces between the display electrode pairs and in parallel with the display electrode pairs. An addressing period includes an odd-line addressing period in which an address operation is conducted to primary discharge cells having odd-number scan electrodes, an even-line addressing period in which an address operation is conducted to primary discharge cells having even-number scan electrodes. During the respective addressing periods, scan pulse voltage Va is applied to odd-number scan electrodes or even-number scan electrodes while priming pulse voltage Vp is applied, prior to the application of the scan pulse voltage, to a priming electrode adjacent to the scan electrode to which scan pulse voltage Va is to be applied, in order to generate a priming discharge between the priming electrodes and the data electrodes.Type: GrantFiled: September 14, 2005Date of Patent: October 7, 2008Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hiroyuki Tachibana, Naoki Kosugi, Toshikazu Wakabayashi, Shigeyuki Okumura
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Publication number: 20080165086Abstract: A plasma display panel includes: pairs of electrodes having first electrode and second electrode which are arranged in parallel with each other; first substrate having dielectric layer formed so that the dielectric layer can cover the pairs of electrodes; and second substrate having third electrode which is arranged crossing the pairs of electrodes, and the plasma display panel further includes: floating electrodes, protruding onto a discharge space provided on dielectric layer at positions respectively corresponding to first electrode and second electrode, wherein floating electrodes are opposed to each other. Due to the above composition, the discharge starting voltage is reduced and the drive voltage is decreased. Accordingly, the light emitting efficiency is enhanced.Type: ApplicationFiled: September 7, 2006Publication date: July 10, 2008Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Naoki Kosugi, Yukihiro Morita, Masanori Miura, Shinichiro Hashimoto, Yoshio Watanabe
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Patent number: 7342558Abstract: The initializing period of at least one of a plurality of sub-fields constituting one field is a selective initializing period for selectively initializing discharge cells in which a sustain discharge has occurred in the sustaining period of the preceding sub-field. In the sustaining period of the sub-field prior to the sub-field including the selective initializing period, voltage Vr is applied to a priming electrode (PRi) for causing a discharge between the priming electrode (PRi) and corresponding scan electrode (SCi) using the priming electrode (PRi) as a cathode.Type: GrantFiled: March 23, 2004Date of Patent: March 11, 2008Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hiroyuki Tachibana, Naoki Kosugi, Toshikazu Wakabayashi, Yasuaki Muto
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Patent number: 7330165Abstract: A method drives a plasma display panel including priming electrodes. In the writing period of a sub-field, prior to the scanning of respective scan electrodes, priming discharge is caused between the scan electrodes and the priming electrodes. The time interval between the application of voltage to the priming electrodes for causing the priming discharge and the scanning of the corresponding scan electrodes is set within 10 ?s.Type: GrantFiled: March 23, 2004Date of Patent: February 12, 2008Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hiroyuki Tachibana, Naoki Kosugi, Nobuaki Nagao, Ryuichi Murai
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Patent number: RE43083Abstract: A gas discharge panel includes a first substrate and a second substrate. A plurality of display electrode pairs which are each made up of a sustain electrode and a scan electrode are formed on the first substrate, and the first substrate and the second substrate are set facing each other with a plurality of barrier ribs in between so as to form a plurality of cells. In this gas discharge panel, at least one of the sustain electrode and the scan electrode includes: a plurality of line parts; and a discharge developing part which makes a gap between adjacent line parts smaller in areas corresponding to channels between adjacent barrier ribs than in areas corresponding to the barrier ribs.Type: GrantFiled: August 16, 2001Date of Patent: January 10, 2012Assignee: Panasonic CorporationInventors: Masaki Nishimura, Hidetaka Higashino, Ryuichi Murai, Yusuke Takata, Nobuaki Nagao, Toru Ando, Naoki Kosugi, Hiroyuki Tachibana