Patents by Inventor Hitoshi Komeno
Hitoshi Komeno 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: 10025151Abstract: A display device includes a substrate, a display region, a peripheral region, an insulating layer which is disposed on a gate signal line and a conductor, a conductive layer which is disposed on the insulating layer and crosses a plurality of gate signal lines and the conductor in the peripheral region, a first semiconductor film which is disposed between the insulating layer and the conductive layer, and a second semiconductor film which is disposed between the insulating layer and the conductive layer and which is separated from the first semiconductor film. The conductive layer is connected to the plurality of gate signal lines via a plurality of diodes, and the plurality of gate signal lines are arranged in the display region and the peripheral region. A length of the conductor differs from a length of the gate signal line in the display region and the peripheral region.Type: GrantFiled: January 5, 2017Date of Patent: July 17, 2018Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Hirokazu Itakura, Hitoshi Komeno, Tomoaki Takahashi
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Publication number: 20170115539Abstract: A display device includes a substrate, a display region, a peripheral region, an insulating layer which is disposed on a gate signal line and a conductor, a conductive layer which is disposed on the insulating layer and crosses a plurality of gate signal lines and the conductor in the peripheral region, a first semiconductor film which is disposed between the insulating layer and the conductive layer, and a second semiconductor film which is disposed between the insulating layer and the conductive layer and which is separated from the first semiconductor film. The conductive layer is connected to the plurality of gate signal lines via a plurality of diodes, and the plurality of gate signal lines are arranged in the display region and the peripheral region. A length of the conductor differs from a length of the gate signal line in the display region and the peripheral region.Type: ApplicationFiled: January 5, 2017Publication date: April 27, 2017Inventors: Hirokazu ITAKURA, Hitoshi KOMENO, Tomoaki TAKAHASHI
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Patent number: 9620530Abstract: A display device includes a substrate, a display region, a peripheral region, an insulating layer which is disposed on a gate signal line and a conductor, a conductive layer which is disposed on the insulating layer and crosses a plurality of gate signal lines and the conductor in the peripheral region, a first semiconductor film which is disposed between the insulating layer and the conductive layer, and a second semiconductor film which is disposed between the insulating layer and the conductive layer and which is separated from the first semiconductor film. The conductive layer is connected to the plurality of gate signal lines via a plurality of diodes, and the plurality of gate signal lines are arranged in the display region and the peripheral region. A length of the conductor differs from a length of the gate signal line in the display region and the peripheral region.Type: GrantFiled: May 5, 2015Date of Patent: April 11, 2017Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Hirokazu Itakura, Hitoshi Komeno, Tomoaki Takahashi
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Publication number: 20150236048Abstract: A display device includes a substrate, a display region, a peripheral region, an insulating layer which is disposed on a gate signal line and a conductor, a conductive layer which is disposed on the insulating layer and crosses a plurality of gate signal lines and the conductor in the peripheral region, a first semiconductor film which is disposed between the insulating layer and the conductive layer, and a second semiconductor film which is disposed between the insulating layer and the conductive layer and which is separated from the first semiconductor film. The conductive layer is connected to the plurality of gate signal lines via a plurality of diodes, and the plurality of gate signal lines are arranged in the display region and the peripheral region. A length of the conductor differs from a length of the gate signal line in the display region and the peripheral region.Type: ApplicationFiled: May 5, 2015Publication date: August 20, 2015Inventors: Hirokazu ITAKURA, Hitoshi KOMENO, Tomoaki TAKAHASHI
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Patent number: 9052556Abstract: A display device includes a substrate, a display region, a peripheral region, an insulating layer which is disposed on a gate signal line and a conductor, a conductive layer which is disposed on the insulating layer and crosses a plurality of gate signal lines and the conductor in the peripheral region, a first semiconductor film which is disposed between the insulating layer and the conductive layer, and a second semiconductor film which is disposed between the insulating layer and the conductive layer and which is separated from the first semiconductor film. The conductive layer is connected to the plurality of gate signal lines via a plurality of diodes, and the plurality of gate signal lines are arranged in the display region and the peripheral region. A length of the conductor differs from a length of the gate signal line in the display region and the peripheral region.Type: GrantFiled: April 16, 2014Date of Patent: June 9, 2015Assignees: Japan Display, Inc., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Hirokazu Itakura, Hitoshi Komeno, Tomoaki Takahashi
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Publication number: 20140226098Abstract: A display device includes a substrate, a display region, a peripheral region, an insulating layer which is disposed on a gate signal line and a conductor, a conductive layer which is disposed on the insulating layer and crosses a plurality of gate signal lines and the conductor in the peripheral region, a first semiconductor film which is disposed between the insulating layer and the conductive layer, and a second semiconductor film which is disposed between the insulating layer and the conductive layer and which is separated from the first semiconductor film. The conductive layer is connected to the plurality of gate signal lines via a plurality of diodes, and the plurality of gate signal lines are arranged in the display region and the peripheral region. A length of the conductor differs from a length of the gate signal line in the display region and the peripheral region.Type: ApplicationFiled: April 16, 2014Publication date: August 14, 2014Applicants: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Hirokazu Itakura, Hitoshi Komeno, Tomoaki Takahashi
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Patent number: 8704967Abstract: A display device includes a substrate, a display region having a pixel switch, and a transparent common electrode, a peripheral region having a gate signal line connected to the pixel switch, and a predetermined connection line, an insulating layer disposed on the gate signal line and the predetermined connection line, a conductive layer, a first semiconductor film disposed between the insulating layer and the conductive layer, and a second semiconductor film disposed between the insulating layer and the conductor layer and separated from the first semiconductor film. The conductor layer is connected to the gate signal line via a pair of diodes. The gate signal line is arranged in the display region and the peripheral region, the predetermined connection line is arranged in the peripheral region, and the transparent common electrode is arranged in the display region. The predetermined connection line is shorter in length than the gate signal line.Type: GrantFiled: September 20, 2013Date of Patent: April 22, 2014Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Hirokazu Itakura, Hitoshi Komeno, Tomoaki Takahashi
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Publication number: 20140022481Abstract: A display device includes a substrate, a display region having a pixel switch, and a transparent common electrode, a peripheral region having a gate signal line connected to the pixel switch, and a predetermined connection line, an insulating layer disposed on the gate signal line and the predetermined connection line, a conductive layer, a first semiconductor film disposed between the insulating layer and the conductive layer, and a second semiconductor film disposed between the insulating layer and the conductor layer and separated from the first semiconductor film. The conductor layer is connected to the gate signal line via a pair of diodes. The gate signal line is arranged in the display region and the peripheral region, the predetermined connection line is arranged in the peripheral region, and the transparent common electrode is arranged in the display region. The predetermined connection line is shorter in length than the gate signal line.Type: ApplicationFiled: September 20, 2013Publication date: January 23, 2014Applicants: Panasonic Liquid Crystal Display Co., Ltd., Japan Display IncInventors: Hirokazu Itakura, Hitoshi Komeno, Tomoaki Takahashi
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Patent number: 8547494Abstract: A display device includes a substrate, a display region having a pixel switch, and a transparent common electrode, a peripheral region having a gate signal line connected to the pixel switch, and a common connection line connected to the transparent common electrode, an insulating layer, a conductive layer, a first semiconductor film disposed between the insulating layer and the conductive layer, and a second semiconductor film disposed between the insulating layer and the conductor layer and separated from the first semiconductor film. The conductor layer is connected to the gate signal line, and the gate signal line is arranged in the display region and the peripheral region. The common connection line is arranged in the peripheral region and is connected to the transparent common electrode in the peripheral region, and the transparent common electrode is arranged in the display region.Type: GrantFiled: March 4, 2013Date of Patent: October 1, 2013Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Hirokazu Itakura, Hitoshi Komeno, Tomoaki Takahashi
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Publication number: 20130182209Abstract: A display device includes a substrate, a display region having a pixel switch, and a transparent common electrode, a peripheral region having a gate signal line connected to the pixel switch, and a common connection line connected to the transparent common electrode, an insulating layer, a conductive layer, a first semiconductor film disposed between the insulating layer and the conductive layer, and a second semiconductor film disposed between the insulating layer and the conductor layer and separated from the first semiconductor film. The conductor layer is connected to the gate signal line, and the gate signal line is arranged in the display region and the peripheral region. The common connection line is arranged in the peripheral region and is connected to the transparent common electrode in the peripheral region, and the transparent common electrode is arranged in the display region.Type: ApplicationFiled: March 4, 2013Publication date: July 18, 2013Applicants: Panasonic Liquid Crystal Display Co., Ltd., Hitachi Displays, Ltd.Inventors: Hirokazu Itakura, Hitoshi Komeno, Tomoaki Takahashi
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Patent number: 8390754Abstract: A display device includes a substrate, a display region having a pixel switch, a pixel electrode which is connected to the pixel switch, and a transparent common electrode formed over the substrate, a peripheral region having a gate signal line which is connected to the pixel switch, and a common connection line which is connected to the transparent common electrode, an insulating layer which is disposed on the gate signal line and the common connection line, a conductive layer which is disposed on the insulating layer and crosses the gate signal line and crosses the common connection line in the peripheral region, a first semiconductor film which is disposed between the insulating layer and the conductive layer, and a second semiconductor film which is disposed between the insulating layer and the conductive layer and is separated from the first semiconductor film.Type: GrantFiled: September 6, 2012Date of Patent: March 5, 2013Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Hirokazu Itakura, Hitoshi Komeno, Tomoaki Takahashi
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Publication number: 20120327348Abstract: A display device includes a substrate, a display region having a pixel switch, a pixel electrode which is connected to the pixel switch, and a transparent common electrode formed over the substrate, a peripheral region having a gate signal line which is connected to the pixel switch, and a common connection line which is connected to the transparent common electrode, an insulating layer which is disposed on the gate signal line and the common connection line, a conductive layer which is disposed on the insulating layer and crosses the gate signal line and crosses the common connection line in the peripheral region, a first semiconductor film which is disposed between the insulating layer and the conductive layer, and a second semiconductor film which is disposed between the insulating layer and the conductive layer and is separated from the first semiconductor film.Type: ApplicationFiled: September 6, 2012Publication date: December 27, 2012Inventors: Hirokazu Itakura, Hitoshi Komeno, Tomoaki Takahashi
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Patent number: 8284341Abstract: A display device includes: on an insulating substrate, a first conductive layer in which a first signal line and a second signal line adjacent to the first signal line are formed; an insulating layer which is disposed on the first conductive layer; a second conductive layer which is disposed on the insulating layer and in which a ground wire crossing the first signal line and the second signal line in a plan view is formed; and a semiconductor layer which is disposed between the insulating layer and the second conductive layer and in which a first semiconductor film and a second semiconductor film are formed to be separated from each other. The wiring lengths of the first signal line and the second signal line are different by at least 10 times or more. The first semiconductor film overlaps, in a plan view, a region where the first signal line crosses the ground wire. The second semiconductor film overlaps, in a plan view, a region where the second signal line crosses the ground wire.Type: GrantFiled: November 16, 2009Date of Patent: October 9, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Hirokazu Itakura, Hitoshi Komeno, Tomoaki Takahashi
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Patent number: 8164731Abstract: The present invention provides a liquid crystal display device which can obviate cutting off of a peripheral region of the liquid crystal display device which is provided with an inspection circuit and can surely perform the inspection of an image display even when the peripheral region is narrowed. On a substrate of the liquid crystal display device, a pixel region which is comprised of a plurality of gate lines and a plurality of drain lines and a peripheral region which surrounds the pixel region are formed. A turn-on inspection terminal of the liquid crystal display device are formed on the peripheral region and a semiconductor chip for driving liquid crystal is formed on the inspection terminal. The semiconductor chip is electrically insulated from the inspection terminal.Type: GrantFiled: April 28, 2011Date of Patent: April 24, 2012Assignees: Hitachi Displays , Ltd., Hitachi Device Engineering Co., LtdInventors: Hiroko Hayata, Nobuyuki Ishige, Hitoshi Komeno
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Publication number: 20110205480Abstract: The present invention provides a liquid crystal display device which can obviate cutting off of a peripheral region of the liquid crystal display device which is provided with an inspection circuit and can surely perform the inspection of an image display even when the peripheral region is narrowed. On a substrate of the liquid crystal display device, a pixel region which is comprised of a plurality of gate lines and a plurality of drain lines and a peripheral region which surrounds the pixel region are formed. A turn-on inspection terminal of the liquid crystal display device are formed on the peripheral region and a semiconductor chip for driving liquid crystal is formed on the inspection terminal. The semiconductor chip is electrically insulated from the inspection terminal.Type: ApplicationFiled: April 28, 2011Publication date: August 25, 2011Inventors: Hiroko Hayata, Nobuyuki Ishige, Hitoshi Komeno
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Publication number: 20110141384Abstract: The present invention provides a liquid crystal display device which can obviate cutting off of a peripheral region of the liquid crystal display device which is provided with an inspection circuit and can surely perform the inspection of an image display even when the peripheral region is narrowed. On a substrate of the liquid crystal display device, a pixel region which is comprised of a plurality of gate lines and a plurality of drain lines and a peripheral region which surrounds the pixel region are formed. A turn-on inspection terminal of the liquid crystal display device are formed on the peripheral region and a semiconductor chip for driving liquid crystal is formed on the inspection terminal. The semiconductor chip is electrically insulated from the inspection terminal.Type: ApplicationFiled: February 18, 2011Publication date: June 16, 2011Inventors: Hiroko Hayata, Nobuyuki Ishige, Hitoshi Komeno
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Patent number: 7956976Abstract: The present invention provides a liquid crystal display device which can obviate cutting off of a peripheral region of the liquid crystal display device which is provided with an inspection circuit and can surely perform the inspection of an image display even when the peripheral region is narrowed. On a substrate of the liquid crystal display device, a pixel region which is comprised of a plurality of gate lines and a plurality of drain lines and a peripheral region which surrounds the pixel region are formed. A turn-on inspection terminal of the liquid crystal display device are formed on the peripheral region and a semiconductor chip for driving liquid crystal is formed on the inspection terminal. The semiconductor chip is electrically insulated from the inspection terminal.Type: GrantFiled: February 18, 2011Date of Patent: June 7, 2011Assignees: Hitachi Displays, Ltd., Hitachi Device Engineering Co., Ltd.Inventors: Hiroko Hayata, Nobuyuki Ishige, Hitoshi Komeno
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Patent number: 7944538Abstract: A liquid crystal display device having a narrowed peripheral area, particularly, a liquid crystal display device in which disconnection or short-circuiting of connecting lines disposed in the peripheral area is restrained is provided. The liquid crystal display device includes a pixel area having pixel electrodes, and a peripheral area surrounding the pixel area, and a gate driver and a drain driver are disposed in the peripheral area. A plurality of gate connecting lines which connect the gate driver and a plurality of gate lines are stacked in the peripheral area.Type: GrantFiled: October 22, 2009Date of Patent: May 17, 2011Assignees: Hitachi Displays, Ltd., Hitachi Device Engineering Co., Ltd.Inventors: Nobuyuki Ishige, Hitoshi Komeno
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Patent number: 7936433Abstract: Disclosed is a liquid crystal display device that is capable of preventing a conductive paste for connecting a common wiring line of a TFT substrate and a counter electrode of a counter substrate from flowing outward. A sealant is formed outside a display region of a liquid crystal display device. A conductive paste for connecting a common wiring line of a TFT substrate and a counter electrode of a counter substrate is provided at a corner of the liquid crystal display device outside the sealant. An L-shaped stopper is formed on the counter substrate so as to prevent the conductive paste from flowing outward. With the stopper, even if the width of a frame is equal to or less than 1.5 mm, it is possible to prevent the conductive paste from flowing outward.Type: GrantFiled: November 20, 2008Date of Patent: May 3, 2011Assignee: Hitachi Displays, Ltd.Inventors: Kengo Okazaki, Hideaki Ishige, Hitoshi Komeno, Toshiyuki Koshita
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Patent number: 7916261Abstract: The present invention provides a liquid crystal display device which can obviate cutting off of a peripheral region of the liquid crystal display device which is provided with an inspection circuit and can surely perform the inspection of an image display even when the peripheral region is narrowed. On a substrate of the liquid crystal display device, a pixel region which is comprised of a plurality of gate lines and a plurality of drain lines and a peripheral region which surrounds the pixel region are formed. A turn-on inspection terminal of the liquid crystal display device are formed on the peripheral region and a semiconductor chip for driving liquid crystal is formed on the inspection terminal. The semiconductor chip is electrically insulated from the inspection terminal.Type: GrantFiled: June 22, 2007Date of Patent: March 29, 2011Assignees: Hitachi Displays, Ltd., Hitachi Device Engineering Co., Ltd.Inventors: Hiroko Hayata, Nobuyuki Ishige, Hitoshi Komeno