Patents by Inventor Tetsuya Kawamura
Tetsuya Kawamura 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: 8829521Abstract: Provided is a TFT board for a liquid crystal display device including: a circuit layer formed on a substrate, the circuit layer including a thin film transistor including a semiconductor layer, a gate electrode, a drain electrode, and a source electrode; and a color filter layer formed on the circuit layer. The color filter layer has a through hole formed therein above the semiconductor layer in a region between the source electrode and the drain electrode.Type: GrantFiled: December 15, 2010Date of Patent: September 9, 2014Assignee: Panasonic Liquid Crystal Display Co., Ltd.Inventors: Tetsuya Kawamura, Masumi Yoshida
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Patent number: 8743328Abstract: Provided is a manufacturing method for a liquid crystal display device, in which a semiconductor pattern and a metal pattern are formed so that the semiconductor pattern includes a first portion formed under the metal pattern and a second portion which outwardly extends off the metal pattern from the first portion. An insulating layer for covering the metal pattern and the semiconductor pattern is formed. The insulating layer is subjected to etching in a first region located above the metal pattern and in a second region located above at least the second portion of the semiconductor pattern. In the etching step, the insulating layer in the first region is subjected to etching to form a through hole for electrical connection to the metal pattern, and the insulating layer and the semiconductor pattern in the second region are subjected to etching to remove the second portion of the semiconductor pattern.Type: GrantFiled: November 11, 2010Date of Patent: June 3, 2014Assignee: Panasonic Liquid Crystal Display Co., Ltd.Inventors: Yuta Funahashi, Tetsuya Kawamura, Masafumi Hirata
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Patent number: 8643796Abstract: In one embodiment, a liquid crystal display device having a plurality of pixels includes a first substrate having an insulating substrate, a first detection element extending in a first direction above the insulating substrate, a second detection element extending in a second direction crossing the first direction and an insulating film provided between the first and second detection circuits. A second substrate is arranged opposing to the first substrate so as to hold a liquid crystal layer therebetween. A detection circuit is provided on the first substrate to detect change of electrostatic capacitance between the first and second detection elements. At least one of the first and second detection elements is an element required for operating the liquid crystal layer.Type: GrantFiled: November 23, 2010Date of Patent: February 4, 2014Assignee: Japan Display Central Inc.Inventors: Hiroyuki Kimura, Hiroshi Tabatake, Tetsuya Kawamura
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Patent number: 8633491Abstract: An etching resist including first and second portions, the first portion being thicker than the second portion, is formed on a metallic layer. Through the etching resist, a semiconductor layer and the metallic layer are patterned by etching so as to form a wiring from the metallic layer and leave the semiconductor layer under the wiring. An electrical test is conducted on the wiring. The second portion is removed while the first portion is left unremoved. Selective etching is performed through the first portion so as to leave the semiconductor layer unetched to pattern the wiring to be divided into drain and source electrodes. A substrate is cut. In patterning the wiring, the wiring is etched to be cut at a position closer to a cutting line of the substrate with respect to the drain and source electrodes, while leaving the semiconductor layer unetched.Type: GrantFiled: August 20, 2010Date of Patent: January 21, 2014Assignee: Panasonic Liquid Crystal Display Co., Ltd.Inventors: Tetsuya Kawamura, Masashi Sato, Yoshiki Watanabe, Hiroaki Iwato, Masafumi Hirata
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Publication number: 20130307227Abstract: There is provided a sealing material for a thin plate member which eliminates the need to form seal grooves as in prior art when applied to a thin plate member such as a cell of a secondary battery such as a redox flow battery, a fuel cell and a lead storage battery, and which provides satisfactory sealing and can compactify and reduce in weight a device to be used and facilitate assembling with reduced cost as well as allowing more cells to be stacked resulting in improving fuel capacity. The annular sealing material for a thin plate member that provides sealing between thin plate members includes a lateral sealing body disposed on a lateral of the thin plate member, and a pair of sealing legs branching from the lateral sealing body in a fork shape and disposed on the front surface and the back surface of the thin plate member.Type: ApplicationFiled: March 30, 2012Publication date: November 21, 2013Applicant: NIPPON VALQUA INDUSTRIES, LTD.Inventors: Akira Ueda, Kenichi Takahashi, Atsushi Fujii, Tetsuya Kawamura
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Patent number: 8547318Abstract: A liquid crystal display includes pixels each having an switching element, drain drivers and gate drivers for operating the switching elements and the pixels, and drain lines and gate lines supplying signals from the drain drivers and the gate drivers to the switching elements being formed on one of a pair of substrates sandwiching a liquid crystal layer. Wiring lines are formed on the one of a pair of substrates for transferring display data signals and a clock signal to the gate drivers.Type: GrantFiled: January 8, 2013Date of Patent: October 1, 2013Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Yoshihiro Imajo, Tetsuro Izawa, Kimitoshi Ohgiichi, Hiroshi Okawara, Shiro Ueda, Nobuyuki Ishige, Tetsuya Kawamura, Hisashi Ishino, Fumiaki Komori
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Publication number: 20130201418Abstract: A liquid crystal display includes pixels each having an switching element, drain drivers and gate drivers for operating the switching elements and the pixels, and drain lines and gate lines supplying signals from the drain drivers and the gate drivers to the switching elements being formed on one of a pair of substrates sandwiching a liquid crystal layer. Wiring lines are formed on the one of a pair of substrates for transferring display data signals and a clock signal to the gate drivers.Type: ApplicationFiled: January 8, 2013Publication date: August 8, 2013Applicants: Panasonic Liquid Crystal Display Co., Ltd., Hitachi Displays, Ltd.Inventors: Yoshihiro IMAJO, Tetsuro Izawa, Kimitoshi Ohgiichi, Hiroshi Okawara, Shido Ueda, Nobuyuki Ishige, Tetsuya Kawamura, Hisashi Ishino, Fumiaki Komori
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Patent number: 8462306Abstract: A display device includes: a first line and a second line which are arranged adjacent to and parallel to each other in a spaced-apart manner; a conductive layer which is arranged at a position where the conductive layer overlaps with the first line and the second line; and an insulation layer which is interposed between the first and second lines and the conducive layer. Here, the conductive layer includes a first overlapping portion which overlaps with the first line, a second overlapping portion which overlaps with the second line, and a connecting portion which connects the first overlapping portion and the second overlapping portion between the first overlapping portion and the second overlapping portion.Type: GrantFiled: May 17, 2010Date of Patent: June 11, 2013Assignee: Panasonic Liquid Crystal Display Co., Ltd.Inventors: Yuta Funahashi, Tetsuya Kawamura
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Publication number: 20130128209Abstract: A display device includes a substrate having a display portion and a peripheral portion surrounding the display portion, and a plurality of pixels formed in the display portion. The plurality of pixels have a switching element, a pixel electrode connected to the switching element, a counter electrode, and a light emitting material layer arranged between the pixel electrode and the counter electrode, respectively, and the counter electrode is arranged in common for the display portion. A bank layer of organic material is arranged between the pixel electrode and the counter electrode and is formed in the display portion and the peripheral portion, with each pixel being divided by the bank layer in the display portion, and the bank layer having at least one opening in the peripheral portion.Type: ApplicationFiled: January 17, 2013Publication date: May 23, 2013Inventors: Tetsuya Kawamura, Kazuhiko Yanagawa, Nagatoshi Kurahashi, Tsuyoshi Uchida
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Patent number: 8373636Abstract: A liquid crystal display includes pixels each having an switching element, drain drivers and gate drivers for operating the switching elements and the pixels, and drain lines and gate lines supplying signals from the drain drivers and the gate drivers to the switching elements being formed on one of a pair of substrates sandwiching a liquid crystal layer. Wiring lines are formed on the one of a pair of substrates for transferring display data signals and a clock signal to the gate drivers.Type: GrantFiled: August 28, 2012Date of Patent: February 12, 2013Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Yoshihiro Imajo, Tetsuro Izawa, Kimitoshi Ohgiichi, Hiroshi Okawara, Shiro Ueda, Nobuyuki Ishige, Tetsuya Kawamura, Hisashi Ishino, Fumiaki Komori
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Patent number: 8363196Abstract: A display device includes a substrate having display portion and peripheral portion, a plurality of gate signal lines and a plurality of drain signal lines formed over the substrate, a plurality of switching elements connected to the plurality of gate signal lines and the plurality of drain signal lines and formed over the substrate, and a plurality of pixel electrodes connected to the plurality of switching elements and formed in the display portion. An organic interlayer film is formed in the display portion and the peripheral portion, and a covering layer is formed on the organic interlayer film in the peripheral portion and the insulating film includes at least one of a plurality of recesses and protuberances.Type: GrantFiled: June 14, 2006Date of Patent: January 29, 2013Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Tetsuya Kawamura, Kazuhiko Yanagawa, Nagatoshi Kurahashi, Tsuyoshi Uchida
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Publication number: 20130002734Abstract: A liquid crystal display includes pixels each having an switching element, drain drivers and gate drivers for operating the switching elements and the pixels, and drain lines and gate lines supplying signals from the drain drivers and the gate drivers to the switching elements being formed on one of a pair of substrates sandwiching a liquid crystal layer. Wiring lines are formed on the one of a pair of substrates for transferring display data signals and a clock signal to the gate drivers.Type: ApplicationFiled: August 28, 2012Publication date: January 3, 2013Applicants: Panasonic Liquid Crystal Display Co., Ltd., Hitachi Displays, Ltd.Inventors: Yoshihiro Imajo, Tetsuro Izawa, Kimitoshi Ohgiichi, Hiroshi Okawara, Shiro Ueda, Nobuyuki Ishige, Tetsuya Kawamura, Hisashi Ishino, Fumiaki Komori
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Patent number: 8289464Abstract: A liquid crystal display device includes pixels, each of which includes a first transistor and a second transistor. The size of the first transistor is larger than the size of the second transistor. In addition, channel widths and gate widths for the first transistor are larger than those of the second transistor. Also, the first transistor is located to be closer to a drain signal line provided for the pixel than the second transistor. In normal operation, the first transistor is coupled to the drain signal line and the second transistor is floating. However, if an abnormality occurs in the first transistor, it is cut off from the drain signal line and the second transistor is connected to the drain signal line by a repair line.Type: GrantFiled: May 4, 2010Date of Patent: October 16, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Tetsuya Kawamura, Masashi Sato, Masanori Ookawa, Kenta Kamoshida, Nagatoshi Kurahashi, Hiroaki Iwato
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Patent number: 8279154Abstract: A liquid crystal display includes pixels each having an switching element, drain drivers and gate drivers for operating the switching elements and the pixels, and drain lines and gate lines supplying signals from the drain drivers and the gate drivers to the switching elements being formed on one of a pair of substrates sandwiching a liquid crystal layer. Wiring lines are formed on the one of a pair of substrates for transferring display data signals and a clock signal to the gate drivers.Type: GrantFiled: April 11, 2012Date of Patent: October 2, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Yoshihiro Imajo, Tetsuro Izawa, Kimitoshi Ohgiichi, Hiroshi Okawara, Shiro Ueda, Nobuyuki Ishige, Tetsuya Kawamura, Hisashi Ishino, Fumiaki Komori
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Patent number: 8248567Abstract: A display device includes a display drain signal line which belongs to a display pixel is connected to a pixel electrode via a TFT, a first dummy drain signal line which belongs to a dummy pixel is connected to a dummy pixel electrode via a TFT, and a second dummy drain signal line is disposed outside of the dummy pixel. The second dummy drain signal line is not connected to a dummy pixel electrode.Type: GrantFiled: September 12, 2011Date of Patent: August 21, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Tetsuya Kawamura, Kazuhiko Yanagawa, Nagatoshi Kurahashi, Tsuyoshi Uchida
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Publication number: 20120194577Abstract: A liquid crystal display includes pixels each having an switching element, drain drivers and gate drivers for operating the switching elements and the pixels, and drain lines and gate lines supplying signals from the drain drivers and the gate drivers to the switching elements being formed on one of a pair of substrates sandwiching a liquid crystal layer. Wiring lines are formed on the one of a pair of substrates for transferring display data signals and a clock signal to the gate drivers.Type: ApplicationFiled: April 11, 2012Publication date: August 2, 2012Applicants: Panasonic Liquid Crystal Display Co., Ltd., Hitachi Displays, Ltd.Inventors: Yoshihiro Imajo, Tetsuro Izawa, Kimitoshi Ohgiichi, Hiroshi Okawara, Shiro Ueda, Nobuyuki Ishige, Tetsuya Kawamura, Hisashi Ishino, Fumiaki Komori
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Publication number: 20120147175Abstract: A method for producing composite material components is provided with a process of laminating fiber-reinforced plastic tape. The method includes, at a plurality of sites from an attachment starting site to an attachment ending site of a first fiber-reinforced plastic tape, determining an attachment state of the first fiber-reinforced plastic tape during lamination of the fiber-reinforced plastic tape. The lamination is stopped when it is determined that the first fiber-reinforced plastic tape overlaps with a second fiber-reinforced plastic tape at a first site of the plurality of sites and that a gap exists between the first fiber-reinforced plastic tape and the second fiber-reinforced plastic tape at a second site of the plurality of sites. And, the lamination is continued when it is determined that the first fiber-reinforced plastic tape overlaps with the second fiber-reinforced plastic tape at all of the plurality of sites.Type: ApplicationFiled: November 17, 2010Publication date: June 14, 2012Inventors: Takayuki Kawaguchi, Tetsuya Kawamura, Suguru Watanabe, Satoru Nooka, Hideomi Ono
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Publication number: 20120120228Abstract: An inspection method includes photographing an image by a camera mounted on a lamination head during a first fiber-reinforced plastic tape is attached by the lamination head while the lamination head moves, and calculating a gap amount between the first fiber-reinforced plastic tape and a second fiber-reinforced plastic tape on the basis of a first component of translational displacement in an optical axis direction of the camera which is a translational displacement of the lamination head during attachment of the first fiber-reinforced plastic tape, an in-plane second component of translational displacement which is perpendicular to the optical axis direction of the translational displacement, and the image.Type: ApplicationFiled: November 17, 2010Publication date: May 17, 2012Inventors: Takayuki Kawaguchi, Tetsuya Kawamura, Suguru Watanabe, Satoru Nooka, Hideomi Ono, Yukio Takeuchi
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Patent number: 8179353Abstract: A liquid crystal display includes pixels each having an switching element, drain drivers and gate drivers for operating the switching elements and the pixels, and drain lines and gate lines supplying signals from the drain drivers and the gate drivers to the switching elements being formed on one of a pair of substrates sandwiching a liquid crystal layer. Wiring lines are formed on the one of a pair of substrates for transferring display data signals and a clock signal to the gate drivers.Type: GrantFiled: April 1, 2008Date of Patent: May 15, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Yoshihiro Imajo, Tetsuro Izawa, Kimitoshi Ohgiichi, Hiroshi Okawara, Shiro Ueda, Nobuyuki Ishige, Tetsuya Kawamura, Hisashi Ishino, Fumiaki Komori
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Publication number: 20120026445Abstract: A display device includes a display drain signal line which belongs to a display pixel is connected to a pixel electrode via a TFT, a first dummy drain signal line which belongs to a dummy pixel is connected to a dummy pixel electrode via a TFT, and a second dummy drain signal line is disposed outside of the dummy pixel. The second dummy drain signal line is not connected to a dummy pixel electrode.Type: ApplicationFiled: September 12, 2011Publication date: February 2, 2012Inventors: Tetsuya KAWAMURA, Kazuhiko YANAGAWA, Nagatoshi KURAHASHI, Tsuyoshi UCHIDA