Patents by Inventor Tsunenori Yamamoto
Tsunenori Yamamoto 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: 20120281160Abstract: A liquid crystal display includes a first substrate and a second substrate opposed to each other with a liquid crystal layer therebetween, the first substrate having a plurality of drain signal lines and a plurality of gate signal lines, and a plurality of pixel regions defined by the drain signal lines and the gate signal lines. The pixel regions include a first electrode formed of a transparent conducting layer, the first electrode being overlapped with the drain signal line and formed on a plurality of the pixel regions, a second electrode formed of a transparent conducting layer, the second electrode being overlapped with the first electrode, a first insulating layer formed between the first electrode and the second electrode, and a second insulating layer formed between the drain signal line and the first electrode.Type: ApplicationFiled: July 6, 2012Publication date: November 8, 2012Inventors: Kikuo Ono, Makoto Yoneya, Tsunenori Yamamoto, Junichi Hirakata, Yoshiaki Nakayoshi
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Publication number: 20120268683Abstract: A liquid crystal display includes a first substrate and a second substrate with a liquid crystal layer therebetween, the first substrate having a plurality of drain signal lines and a plurality of gate signal lines, and a plurality of pixel regions defined by the drain signal lines and the gate signal lines. The pixel regions include a first electrode having a plurality of linear shapes, a second electrode having a planer shape, the second electrode being overlapped with the first electrode through an insulation film, and a thin film transistor having a video signal supplied thereto from the drain signal line. The first electrode is connected with the thin film transistor so that an electric potential of the video signal is supplied thereto, and a standard electric potential is supplied to the second electrode. A third electrode is arranged between the drain signal line and the liquid crystal layer.Type: ApplicationFiled: July 6, 2012Publication date: October 25, 2012Inventors: Kikuo Ono, Makoto Yoneya, Tsunenori Yamamoto, Junichi Hirakata, Yoshiaki Nakayoshi
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Patent number: 8274619Abstract: A display device which can reduce easily the brightness unevenness produced by the insufficient writing of TFT, wherein, the display device having: a display panel which, over a surface of an insulating substrate, includes plural scanning signal lines; plural picture signal lines; plural TFTs; plural pixel electrodes coupled to sources of the TFTs; and a counter electrode, wherein the pixel and counter electrodes are arranged over the same surface of an insulating layer overlying the surface of the insulating substrate, and when a gate insulating film provided at one TFT among the TFTs is thinner than a gate insulating film provided at another TFT among the TFTs, a gap between a pixel electrode coupled to the source of the one TFT and the counter electrode is set to be wider than a gap between a pixel electrode coupled to the source of the another TFT and the counter electrode.Type: GrantFiled: March 8, 2011Date of Patent: September 25, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Ken Ohara, Tsunenori Yamamoto, Yoshiaki Nakayoshi, Hiroshi Saito, Jun Ooida
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Publication number: 20120226455Abstract: A lithium secondary cell has a positive electrode, a negative electrode, and an electrolyte including lithium ions. An anomalously charged state detection device includes: a voltage detection unit; a current detection unit; a calculation unit that calculates the electricity amount Q charged into or discharged from the lithium secondary cell and a differential value dV/dQ for each predetermined time period t, and that obtains a Q-dV/dQ curve; a measured data storage unit that stores the Q-dV/dQ curve; a cell data storage unit that stores a Q-dV/dQ curve during normal conditions; and a control unit that decides that the lithium secondary cell is in an anomalously charged state if, in the Q-dV/dQ curve stored by the measured data storage unit, a peak is present that is different from a peak that appears in the Q-dV/dQ curve during normal conditions.Type: ApplicationFiled: February 29, 2012Publication date: September 6, 2012Applicant: Hitachi, Ltd.Inventors: Yoshiaki KUMASHIRO, Tsunenori Yamamoto, Osamu Kubota
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Publication number: 20120194139Abstract: A rechargeable battery system capable of suppressing the increase in the internal resistance of a lithium ion rechargeable battery and having long life is provided. A rechargeable battery system comprising rechargeable battery modules each having a plurality of lithium ion rechargeable batteries, and a charge/discharge control means for controlling assembled batteries having the rechargeable battery modules connected in parallel, in which the charge/discharge control means controls discharge, upon discharge of the lithium ion rechargeable batteries, on every lithium ion rechargeable battery modules connected in parallel is adopted.Type: ApplicationFiled: January 24, 2012Publication date: August 2, 2012Inventors: Hironori SASAKI, Kohei Honkura, Shin Yamauchi, Kenji Takeda, Tsunenori Yamamoto
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Patent number: 8218118Abstract: A liquid crystal display includes first and second substrates opposed to each other with liquid crystal therebetween, the first substrate having a plurality of drain signal lines and gate signal lines, and a plurality of pixel regions defined by the drain signal lines and the gate signal lines. The pixel region has a first electrode formed of a transparent conducting layer having a plurality of slits, a second electrode formed of a transparent conducting layer, and an insulating layer interposed between the first electrode and the second electrode. The second electrode is overlapped with a plurality of the slits of the first electrode in the pixel region, the first electrode is overlapped with the drain signal line and the gate signal line, and at least one of the first electrode and the second electrode is formed between the first substrate and the liquid crystal layer in the pixel region.Type: GrantFiled: September 13, 2011Date of Patent: July 10, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Kikuo Ono, Makoto Yoneya, Tsunenori Yamamoto, Junichi Hirakata, Yoshiaki Nakayoshi
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Patent number: 8218119Abstract: A liquid crystal display includes a pair of transparent substrates opposed to each other with liquid crystal therebetween, one of the pair of transparent substrates having a plurality of drain signal lines and a plurality of gate signal lines, and a plurality of pixel regions defined by the drain signal lines and the gate signal lines. The pixel region has a TFT element, a first electrode formed of a transparent electrode having a plurality of slits, a connection area that connects the first electrode to the TFT element, and a second electrode formed of a transparent electrode. The second electrode is disposed between the first electrode and the one of the pair of transparent substrates, the second electrode is connected with the second electrode of an adjacent pixel region, and the connected second electrode is arranged at a position overlapping with the gate signal line.Type: GrantFiled: September 13, 2011Date of Patent: July 10, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Kikuo Ono, Makoto Yoneya, Tsunenori Yamamoto, Junichi Hirakata, Yoshiaki Nakayoshi
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Patent number: 8208099Abstract: Provided is a backlit liquid crystal display apparatus having one pixel unit comprising RGB three primary color regions and a white region or a region having low color concentration, so that high brightness can be compatible with color purity. A pixel unit comprises RGB main pixels and G/R sub-pixels. In a lower gray scale, color purity has priority in display with main pixels, while in a higher gray scale, color purity has priority in display with main and sub-pixels, whereby high brightness can be compatible with color purity. Sub-pixels may be consisted only by green sub-pixels.Type: GrantFiled: September 1, 2006Date of Patent: June 26, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Display Co., Ltd.Inventors: Yuka Utsumi, Tsunenori Yamamoto, Kikuo Ono
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Publication number: 20120092392Abstract: A display apparatus and method having a pair of substrates, a display area which has a plurality of pixels, a lighting device which includes a plurality of light sources, a scanning driver which outputs scanning signals to the plurality of pixels, and an image driver which outputs image signals to the plurality of pixels. The lighting device illuminates the display area, the image signals are inputted to the plurality of pixels respectively, and each of the plurality of pixels controls a transmittance of an incident light from the lighting device after the image signals are inputted to the plurality of pixels respectively. The lighting device lights the plurality of light sources corresponding to the image signals inputted to the plurality of pixels after each of the plurality of pixels controls the transmittance.Type: ApplicationFiled: December 22, 2011Publication date: April 19, 2012Inventors: Sukekazu Aratani, Ikuo Hiyama, Masaya Adachi, Tsunenori Yamamoto, Katsumi Kondo
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Publication number: 20120081077Abstract: A rechargeable battery system that controls charge/discharge of a lithium ion rechargeable battery, includes: an internal resistance detection unit that detects or estimates an internal resistance value indicating an internal resistance at the lithium ion rechargeable battery; and a discharge control unit that executes control so as to set a discharge suspension period while the lithium ion rechargeable battery is discharged if the internal resistance value detected via the internal resistance detection unit during discharge of the lithium ion rechargeable battery exceeds a first threshold value.Type: ApplicationFiled: September 8, 2011Publication date: April 5, 2012Applicant: Hitachi, Ltd.Inventors: Hironori SASAKI, Tsunenori Yamamoto, Takefumi Okumura
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Patent number: 8139194Abstract: In a display device of built-in driver circuit type including a non-rectangular image display area, the frame area surrounding the display area is reduced and the wiring delay is reduced. The image display device includes a plurality of pixels arranged in an orthogonal matrix form, a plurality of scanning wiring lines connected to the plural pixels, a plurality of signal wiring lines connected to the plural pixels, the signal wiring lines being disposed to construct an orthogonal matrix form with the plural scanning wiring lines; signal wiring internal circuits for driving the plural signal wiring lines, and an image display area including a plurality of pixels, the image display area having a non-rectangular outer contour. The signal wiring internal circuits are separated from each other in an extending direction of the signal wiring lines in a unit of length of the pixel.Type: GrantFiled: September 12, 2011Date of Patent: March 20, 2012Assignees: Hitachi Display, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Tsunenori Yamamoto, Ken Ohara, Yoshiaki Nakayoshi, Susumu Edo, Hiroshi Saito
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Publication number: 20120001835Abstract: In a display device of built-in driver circuit type including a non-rectangular image display area, the frame area surrounding the display area is reduced and the wiring delay is reduced. The image display device includes a plurality of pixels arranged in an orthogonal matrix form, a plurality of scanning wiring lines connected to the plural pixels, a plurality of signal wiring lines connected to the plural pixels, the signal wiring lines being disposed to construct an orthogonal matrix form with the plural scanning wiring lines; signal wiring internal circuits for driving the plural signal wiring lines, and an image display area including a plurality of pixels, the image display area having a non-rectangular outer contour. The signal wiring internal circuits are separated from each other in an extending direction of the signal wiring lines in a unit of length of the pixel.Type: ApplicationFiled: September 12, 2011Publication date: January 5, 2012Inventors: Tsunenori YAMAMOTO, Ken Ohara, Yoshiaki Nakayoshi, Susumu Edo, Hiroshi Saito
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Publication number: 20120002151Abstract: A liquid crystal display includes a pair of transparent substrates opposed to each other with liquid crystal therebetween, one of the pair of transparent substrates having a plurality of drain signal lines and a plurality of gate signal lines, and a plurality of pixel regions defined by the drain signal lines and the gate signal lines. The pixel region has a TFT element, a first electrode formed of a transparent electrode having a plurality of slits, a connection area that connects the first electrode to the TFT element, and a second electrode formed of a transparent electrode. The second electrode is disposed between the first electrode and the one of the pair of transparent substrates, the second electrode is connected with the second electrode of an adjacent pixel region, and the connected second electrode is arranged at a position overlapping with the gate signal line.Type: ApplicationFiled: September 13, 2011Publication date: January 5, 2012Inventors: Kikuo ONO, Makoto YONEYA, Tsunenori YAMAMOTO, Junichi HIRAKATA, Yoshiaki NAKAYOSHI
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Publication number: 20120002150Abstract: A liquid crystal display includes first and second substrates opposed to each other with liquid crystal therebetween, the first substrate having a plurality of drain signal lines and gate signal lines, and a plurality of pixel regions defined by the drain signal lines and the gate signal lines. The pixel region has a first electrode formed of a transparent conducting layer having a plurality of slits, a second electrode formed of a transparent conducting layer, and an insulating layer interposed between the first electrode and the second electrode. The second electrode is overlapped with a plurality of the slits of the first electrode in the pixel region, the first electrode is overlapped with the drain signal line and the gate signal line, and at least one of the first electrode and the second electrode is formed between the first substrate and the liquid crystal layer in the pixel region.Type: ApplicationFiled: September 13, 2011Publication date: January 5, 2012Inventors: Kikuo ONO, Makoto Yoneya, Tsunenori Yamamoto, Junichi Hirakata, Yoshiaki Nakayoshi
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Publication number: 20110267559Abstract: An illuminating device capable of being produced at low costs and irradiating rays of light uniformly to a liquid crystal panel. The illuminating device has a plurality of LED packages each having LED's and a lens, the LED packages being congregated on a plane in a large area. Each of the LED packages includes at least four LED's corresponding to LED's for emitting at least red, green and blue, and at least two of the LED's in each LED package are positioned symmetrically to the center of the lens and emit the same color.Type: ApplicationFiled: July 13, 2011Publication date: November 3, 2011Inventors: Yoshifumi Sekiguchi, Ikuo Hiyama, Tsunenori Yamamoto, Hiroki Kaneko, Toshiaki Tanaka
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Patent number: 8045116Abstract: A liquid crystal display includes a pair of transparent substrates opposed to each other with liquid crystal therebetween, and one of the substrates has a plurality of drain signal lines, gate signal lines, and pixel regions defined by the drain signal lines and the gate signal lines. The pixel regions include a semiconductor region which constitutes a channel of a TFT element, a first electrode formed of a transparent electrode, and a second electrode formed of a transparent electrode. The second electrode is disposed between the first electrode and the one of the substrates, the second electrode is overlapped with the first electrode in the pixel region, the second electrode is overlapped with the gate signal line, and the second electrode is connected with the second electrode of an adjacent pixel region. The second electrode is not formed at a position on the TFT element.Type: GrantFiled: April 26, 2011Date of Patent: October 25, 2011Assignee: Hitachi, Ltd.Inventors: Kikuo Ono, Makoto Yoneya, Tsunenori Yamamoto, Junichi Hirakata, Yoshiaki Nakayoshi
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Patent number: 8035786Abstract: A liquid crystal display includes a pair of transparent substrates opposed to each other with liquid crystal therebetween, and one of the substrates has a plurality of drain signal lines, gate signal lines, and pixel regions defined by the drain signal lines and the gate signal lines. The pixel regions include a TFT element, a first electrode formed of a transparent electrode, a second electrode formed of a transparent electrode. The second electrode is disposed between the first electrode and the one of the substrates, the second electrode is overlapped with the first electrode in the pixel region, is overlapped with the gate signal line, and is connected with the second electrode of an adjacent pixel region. A metal line is arranged for a plurality of the pixel regions, is overlapped with the second electrode, and is connected to the second electrode electrically.Type: GrantFiled: April 26, 2011Date of Patent: October 11, 2011Assignee: Hitachi, Ltd.Inventors: Kikuo Ono, Makoto Yoneya, Tsunenori Yamamoto, Junichi Hirakata, Yoshiaki Nakayoshi
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Patent number: 8022431Abstract: An illuminating apparatus has a reduced number of mounting spots by soldering or the like to permit an increased yield rate and a reduced cost. The illuminating apparatus has light emitting diodes, lead frames, and a transparent sealer. N light emitting diodes, N sets of lead frames mounted with the N light emitting diodes, and one set or more of lead frames each not mounted with a light emitting diode are sealed by the transparent sealer for integration into a modular illuminating apparatus. Also provided are a method for fabricating the illuminating apparatus, and a display apparatus using the illuminating apparatus.Type: GrantFiled: November 3, 2005Date of Patent: September 20, 2011Assignee: Hitachi Displays, Ltd.Inventors: Hiroki Kaneko, Ikuo Hiyama, Toshiaki Tanaka, Masaya Adachi, Tsunenori Yamamoto, Haruo Akahoshi
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Patent number: 8023087Abstract: In a display device of built-in driver circuit type including a non-rectangular image display area, the frame area surrounding the display area is reduced and the wiring delay is reduced. The image display device includes a plurality of pixels arranged in an orthogonal matrix form, a plurality of scanning wiring lines connected to the plural pixels, a plurality of signal wiring lines connected to the plural pixels, the signal wiring lines being disposed to construct an orthogonal matrix form with the plural scanning wiring lines; signal wiring internal circuits for driving the plural signal wiring lines, and an image display area including a plurality of pixels, the image display area having a non-rectangular outer contour. The signal wiring internal circuits are separated from each other in an extending direction of the signal wiring lines in a unit of length of the pixel.Type: GrantFiled: August 8, 2007Date of Patent: September 20, 2011Assignee: Hitachi Displays, Ltd.Inventors: Tsunenori Yamamoto, Ken Ohara, Yoshiaki Nakayoshi, Susumu Edo, Hiroshi Saito
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Publication number: 20110199552Abstract: A liquid crystal display includes a pair of transparent substrates opposed to each other with liquid crystal therebetween, and one of the substrates has a plurality of drain signal lines, gate signal lines, and pixel regions defined by the drain signal lines and the gate signal lines. The pixel regions include a TFT element, a first electrode formed of a transparent electrode, a second electrode formed of a transparent electrode. The second electrode is disposed between the first electrode and the one of the substrates, the second electrode is overlapped with the first electrode in the pixel region, is overlapped with the gate signal line, and is connected with the second electrode of an adjacent pixel region. A metal line is arranged for a plurality of the pixel regions, is overlapped with the second electrode, and is connected to the second electrode electrically.Type: ApplicationFiled: April 26, 2011Publication date: August 18, 2011Inventors: Kikuo ONO, Makoto Yoneya, Tsunenori Yamamoto, Junichi Hirakata, Yoshiaki Nakayoshi