Patents by Inventor Kouichi Anno
Kouichi Anno 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: 20160139711Abstract: A display device includes a display panel, a light shielding plate having an opening, a protective plate, and a coordinate input device having a transparent substrate, and a first flexible interconnect substrate. The coordinate input device is disposed on the display panel at the side of a display screen, and each of the light shielding plate and the protective plate is arranged on the coordinate input device on the opposite side of the display panel. The coordinate input device has first signal interconnects and a second signal interconnect disposed outside the first signal interconnects but near a peripheral edge of the transparent substrate. The second signal interconnect is formed of a thin conductive film disposed along a peripheral edge portion of the transparent substrate, and is disposed along the peripheral edge of three sides of the transparent substrate.Type: ApplicationFiled: January 25, 2016Publication date: May 19, 2016Inventors: Kouichi ANNO, Takumi SATO, Masahiro TERAMOTO
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Patent number: 9323294Abstract: An electrostatic capacitive coupling type touch panel including an input region having four sides, a peripheral region around the input region, terminals formed in the peripheral region along a first side of the input region, wirings formed in the peripheral region along second, third and fourth sides of the input region, and the input region having X and Y electrodes crossing. The wirings are connected between corresponding X or Y electrodes and wiring terminals plurality of terminals. A dummy wiring, which is not connected to any of the X electrodes or Y electrodes, is provided outside the wiring formed in a farthest position from the input region, and the dummy wiring extends through the peripheral region along the second, third and fourth sides of the input region, and electrically connects to at least one dummy wiring terminal.Type: GrantFiled: March 12, 2014Date of Patent: April 26, 2016Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., LTDInventors: Hiroshi Esaka, Shouji Ikeda, Kouichi Anno
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Patent number: 9285931Abstract: The electrostatic capacity coupling type touch panel includes X electrodes (XP) and Y electrodes (YP) which intersect each other via a first insulating layer, and a plurality of Z electrodes in floating states to each other via a second insulating layer. For the second insulating layer, a material which changes in thickness by pressing of touch is used. The Z electrode is disposed so as to overlap both an X electrode and a Y electrode which are adjacent to each other. In a pad part of the X electrode, an area is larger toward the center of the X electrode and an area is smaller toward the center of the adjacent X electrode. Therefore, the nonconductive input means can be used, and highly accurate position detection is realized with a small number of electrodes even when a touch area is small.Type: GrantFiled: April 14, 2009Date of Patent: March 15, 2016Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Norio Mamba, Tsutomu Furuhashi, Kouichi Anno
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Patent number: 9274631Abstract: A display device includes a display panel, a light shielding plate having an opening, a protective plate, and a coordinate input device having a transparent substrate, and a first flexible interconnect substrate. The coordinate input device is disposed on the display panel at the side of a display screen, and each of the light shielding plate and the protective plate is arranged on the coordinate input device on the opposite side of the display panel. The coordinate input device has first signal interconnects and a second signal interconnect disposed outside the first signal interconnects but near a peripheral edge of the transparent substrate. The second signal interconnect is formed of a thin conductive film disposed along a peripheral edge portion of the transparent substrate, and is disposed along the peripheral edge of three sides of the transparent substrate.Type: GrantFiled: April 17, 2014Date of Patent: March 1, 2016Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co. Ltd.Inventors: Kouichi Anno, Takumi Sato, Masahiro Teramoto
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Publication number: 20160048244Abstract: A display device with a touch panel includes a display panel, and a touch panel formed above the display panel. The touch panel includes X electrodes which extend in a first direction, and Y electrodes which extend in a second direction different from the first direction. The X electrodes and the Y electrodes respectively include intersection portions each formed where the X electrodes and the Y electrodes overlap each other, and electrode portions each formed between the intersection portions, wherein the electrode portions of one of the X electrodes is smaller in area than the electrode portions of one of the Y electrodes, and wherein floating electrodes are formed close to the electrode portion of the one of the X electrodes or Y electrodes, and over a reduced portion of the X electrode.Type: ApplicationFiled: October 29, 2015Publication date: February 18, 2016Inventor: Kouichi Anno
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Patent number: 9201555Abstract: A display device with a touch panel includes a display panel, and a touch panel formed above the display panel. The touch panel includes X electrodes which extend in a first direction, and Y electrodes which extend in a second direction different from the first direction. The X electrodes and the Y electrodes respectively include intersection portions each formed where the X electrodes and the Y electrodes overlap each other, and electrode portions each formed between the intersection portions, wherein the electrode portions of one of the X electrodes is smaller in area than the electrode portions of one of the Y electrodes, and wherein floating electrodes are formed close to the electrode portion of the one of the X electrodes or Y electrodes, and over a reduced portion of the X electrode.Type: GrantFiled: November 5, 2014Date of Patent: December 1, 2015Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.Inventor: Kouichi Anno
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Patent number: 9182866Abstract: Provided is an electrostatic capacitance type touch panel, wherein lead lines are connected to respective end portions of at least either one of the X electrodes and the Y electrodes respectively, the touch panel further comprises an inspection electrode which is laminated to respective end portions of the at least either one of the X electrodes and the Y electrodes with an insulation film sandwiched therebetween on a side where the lead lines are not connected to the at least either one of the X electrodes and the Y electrodes, and a voltage for inspection is supplied to the inspection electrode during an inspection time and a voltage at the same phase as the drive voltage supplied to the at least either one of the X electrodes and the Y electrodes is supplied to the inspection electrode during a usual operation time.Type: GrantFiled: February 12, 2014Date of Patent: November 10, 2015Assignees: Japan Display, Inc., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Yoshinori Inagaki, Shigeyuki Nishitani, Kouichi Anno
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Patent number: 9001073Abstract: Provided is a capacitance type touch panel, including: X electrodes which are arranged in parallel in a first direction; Y electrodes which are arranged in parallel in a second direction; and extraction wirings which are connected to one end portions of the Y electrodes, respectively. Each of the extraction wirings is connected to a terminal corresponding to the each of the extraction wirings, the terminal being formed at one side of the substrate. Provided that adjacent two of the Y electrodes are a first Y electrode and a second Y electrode, another end portion of the first Y electrode and another end portion of the second Y electrode have a coupling capacitance for AC-coupling the another end portion of the first Y electrode and the another end portion of the second Y electrode.Type: GrantFiled: May 7, 2012Date of Patent: April 7, 2015Assignee: Japan Display Inc.Inventors: Takumi Sato, Masahiro Teramoto, Kouichi Anno
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Publication number: 20150054788Abstract: A display device with a touch panel includes a display panel, and a touch panel formed above the display panel. The touch panel includes X electrodes which extend in a first direction, and Y electrodes which extend in a second direction different from the first direction. The X electrodes and the Y electrodes respectively include intersection portions each formed where the X electrodes and the Y electrodes overlap each other, and electrode portions each formed between the intersection portions, wherein the electrode portions of one of the X electrodes is smaller in area than the electrode portions of one of the Y electrodes, and wherein floating electrodes are formed close to the electrode portion of the one of the X electrodes or Y electrodes, and over a reduced portion of the X electrode.Type: ApplicationFiled: November 5, 2014Publication date: February 26, 2015Inventor: Kouichi Anno
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Patent number: 8890838Abstract: A touch panel includes X electrodes which extend in a same direction, and Y electrodes which extend in a direction different from the direction of the X electrodes. The X electrodes and the Y electrodes respectively include intersection portions each formed where the X electrodes and the Y electrodes overlap each other, and electrode portions each formed between the intersection portions, wherein the electrode portions of one of the X electrodes is smaller in area than the electrode portions of one of the Y electrodes, and wherein dummy electrodes are formed close to the electrode portion of one of the X electrode or the Y electrodes.Type: GrantFiled: July 6, 2012Date of Patent: November 18, 2014Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.Inventor: Kouichi Anno
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Patent number: 8866782Abstract: An electrostatic-capacitance touch panel includes of X electrodes which are formed above a front surface of the electrostatic-capacitance touch panel, Y electrodes which intersect with the X electrodes, a back-surface electrode which is formed above a back surface of the electrostatic-capacitance touch panel, X-electrode signal lines which supply signals to the X electrodes from both ends of each X electrode, Y-electrode signal lines which supply signals to the Y electrodes from both ends of each Y electrode, a flexible printed circuit board connected to the X-electrode signal lines and the Y-electrode signal lines at a connection portion, intersecting portions where the X electrodes and the Y electrodes overlap with each other, and electrode portions each of which is formed between two intersecting portions.Type: GrantFiled: July 19, 2013Date of Patent: October 21, 2014Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.Inventor: Kouichi Anno
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Publication number: 20140225849Abstract: A display device includes a display panel, a light shielding plate having an opening, a protective plate, and a coordinate input device having a transparent substrate, and a first flexible interconnect substrate. The coordinate input device is disposed on the display panel at the side of a display screen, and each of the light shielding plate and the protective plate is arranged on the coordinate input device on the opposite side of the display panel. The coordinate input device has first signal interconnects and a second signal interconnect disposed outside the first signal interconnects but near a peripheral edge of the transparent substrate. The second signal interconnect is formed of a thin conductive film disposed along a peripheral edge portion of the transparent substrate, and is disposed along the peripheral edge of three sides of the transparent substrate.Type: ApplicationFiled: April 17, 2014Publication date: August 14, 2014Applicants: Japan Display Inc., Panasonic Liquid Crystal Display Co. Ltd.Inventors: Kouichi Anno, Takumi Sato, Masahiro Teramoto
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Publication number: 20140192278Abstract: An electrostatic capacitive coupling type touch panel including an input region having four sides, a peripheral region around the input region, terminals formed in the peripheral region along a first side of the input region, wirings formed in the peripheral region along second, third and fourth sides of the input region, and the input region having X and Y electrodes crossing. The wirings are connected between corresponding X or Y electrodes and wiring terminals plurality of terminals. A dummy wiring, which is not connected to any of the X electrodes or Y electrodes, is provided outside the wiring formed in a farthest position from the input region, and the dummy wiring extends through the peripheral region along the second, third and fourth sides of the input region, and electrically connects to at least one dummy wiring terminal.Type: ApplicationFiled: March 12, 2014Publication date: July 10, 2014Applicants: Panasonic Liquid Crystal Display Co., Ltd., Japan Display Inc.Inventors: Hiroshi Esaka, Shouji Ikeda, Kouichi Anno
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Publication number: 20140160072Abstract: Provided is an electrostatic capacitance type touch panel, wherein lead lines are connected to respective end portions of at least either one of the X electrodes and the Y electrodes respectively, the touch panel further comprises an inspection electrode which is laminated to respective end portions of the at least either one of the X electrodes and the Y electrodes with an insulation film sandwiched therebetween on a side where the lead lines are not connected to the at least either one of the X electrodes and the Y electrodes, and a voltage for inspection is supplied to the inspection electrode during an inspection time and a voltage at the same phase as the drive voltage supplied to the at least either one of the X electrodes and the Y electrodes is supplied to the inspection electrode during a usual operation time.Type: ApplicationFiled: February 12, 2014Publication date: June 12, 2014Applicants: Panasonic Liquid Crystal Display Co., Ltd., Japan Display, Inc.Inventors: Yoshinori INAGAKI, Shigeyuki Nishitani, Kouichi Anno
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Patent number: 8704796Abstract: Provided is an electrostatic capacitance type touch panel in which lead lines are alternately connected to one end portions of a plurality of Y electrodes, the respective lead lines are formed outside an effective touch region, and are connected to terminals which are formed corresponding to the respective lead lines, inspection pads which are connected with the Y electrodes respectively are formed over end portions of the respective Y electrodes on a side where the lead lines are not connected to the respective Y electrodes, the plurality of inspection pads are formed in a region where the lead lines are formed outside the effective touch region, a shield electrode is provided between the lead lines and the respective inspection pads, and a voltage equal to a drive voltage supplied to the Y electrodes is supplied to the shield electrode.Type: GrantFiled: April 21, 2011Date of Patent: April 22, 2014Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Shigeyuki Nishitani, Kouichi Anno
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Patent number: 8704762Abstract: A display device includes a coordinate input device including a transparent substrate having a first signal interconnect disposed in a region outside a detection region corresponding to a contact position, a first electrode terminal, a flexible interconnect substrate connected to the first electrode terminal, and a display panel for image display based on a video signal from an external system. The coordinate inputting device has a second signal interconnect disposed outside the first signal interconnect but near the peripheral edge of the transparent substrate, the second signal interconnect surrounding the area where the detection region is included and the first signal interconnect is formed, the second signal interconnect being opened at opposite ends thereof and being connected to respective electrode terminals for inspection at the open ends, and the second signal interconnect is disposed along the peripheral edge portion of three sides of the transparent substrate.Type: GrantFiled: June 2, 2011Date of Patent: April 22, 2014Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Kouichi Anno, Takumi Sato, Masahiro Teramoto
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Patent number: 8681121Abstract: An electrostatic capacitive coupling type touch panel in which a period before wiring formed outside an input region is chipped or wire-broken due to deterioration of a mask pattern can be prolonged. The touch panel has an input region and plural wirings formed around the input region. The input region has plural X electrodes and plural Y electrodes crossing the X electrodes. The plural wirings are connected to corresponding electrodes of the plural X electrodes and Y electrodes. The plural wirings respectively have a conductive layer and a metal layer formed on the conductive layer. The conductive layer is formed to be wider than the metal layer. The plural wirings have a corner. Among the plural wirings, in the wiring provided in the farthest position from the input region, the corner of the metal layer is chamfered.Type: GrantFiled: November 29, 2010Date of Patent: March 25, 2014Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Hiroshi Esaka, Shouji Ikeda, Kouichi Anno
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Patent number: 8654090Abstract: Provided is an electrostatic capacitance type touch panel, wherein lead lines are connected to respective end portions of at least either one of the X electrodes and the Y electrodes respectively, the touch panel further comprises an inspection electrode which is laminated to respective end portions of the at least either one of the X electrodes and the Y electrodes with an insulation film sandwiched therebetween on a side where the lead lines are not connected to the at least either one of the X electrodes and the Y electrodes, and a voltage for inspection is supplied to the inspection electrode during an inspection time and a voltage at the same phase as the drive voltage supplied to the at least either one of the X electrodes and the Y electrodes is supplied to the inspection electrode during a usual operation time.Type: GrantFiled: April 20, 2011Date of Patent: February 18, 2014Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Yoshinori Inagaki, Shigeyuki Nishitani, Kouichi Anno
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Publication number: 20130306459Abstract: An electrostatic-capacitance touch panel includes of X electrodes which are formed above a front surface of the electrostatic-capacitance touch panel, Y electrodes which intersect with the X electrodes, a back-surface electrode which is formed above a back surface of the electrostatic-capacitance touch panel, X-electrode signal lines which supply signals to the X electrodes from both ends of each X electrode, Y-electrode signal lines which supply signals to the Y electrodes from both ends of each Y electrode, a flexible printed circuit board connected to the X-electrode signal lines and the Y-electrode signal lines at a connection portion, intersecting portions where the X electrodes and the Y electrodes overlap with each other, and electrode portions each of which is formed between two intersecting portions.Type: ApplicationFiled: July 19, 2013Publication date: November 21, 2013Applicants: Panasonic Liquid Crystal Display Co., Ltd, Japan Display Inc.Inventor: Kouichi Anno
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Patent number: 8537125Abstract: A display device having an electrostatic capacity touch panel includes: X electrodes XP and Y electrodes YP which intersect each other via a first insulating layer; and a plurality of Z electrodes disposed in a floating state via a second insulating layer. For the second insulating layer, a material such as an elastic insulating material which changes in thickness by pressing of touch is used. The Z electrode is disposed so as to overlap both one of the X electrodes and one of the Y electrodes. A pad part of the X electrode has a largest area in the vicinity of a thin line part of the X electrode, and a smallest area in the vicinity of the thin line part of the adjacent X electrode. An area of the pad part is reduced as the pad part departs from the thin line part of the X electrode.Type: GrantFiled: July 2, 2009Date of Patent: September 17, 2013Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Norio Mamba, Tsutomu Furuhashi, Kouichi Anno