Patents by Inventor Kazuyuki Harada
Kazuyuki Harada 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: 20110242469Abstract: In one embodiment, a liquid crystal display device includes a first substrate, a second substrate and a liquid crystal layer held between the first and second substrates. The first substrate includes a first insulating substrate, and a pixel electrode and a counter electrode formed on the first insulating substrate. The second substrate includes a second insulating substrate. A first light shield layer is formed on a surface of the second insulating substrate apart from an end of the second insulating substrate opposing to the first substrate, and having a frame portion in a frame shape. Furthermore, a second light shield layer is arranged adjoining the first light shield layer extending up to the end of the second insulating substrate opposing to the first substrate. A third light shield layer to shield light is provided between the first light shield layer and second light shield layer.Type: ApplicationFiled: March 31, 2011Publication date: October 6, 2011Applicant: Toshiba Mobile Display Co., Ltd.Inventors: Tetsuya KAWAMURA, Yukio TANAKA, Toshiyuki HIGANO, Kazuyuki HARADA, Atsushi MIZUYOSHI, Yasuhiro YAMAMOTO, Junichi KOBAYASHI
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Publication number: 20110109862Abstract: In one embodiment, a liquid crystal display device includes a plurality of pixel electrodes arranged in a matrix of rows and columns on a first substrate. A plurality of counter electrodes extend along the pixel electrodes in the row direction. Each of the counter electrodes includes a first counter electrode opposing to the plurality of pixel electrodes through a first insulating layer and a second counter electrode opposing to the first counter electrode through a second insulating layer. The first counter electrode is electrically connected with the second counter electrode through a contact hole formed in the second insulating layer. The wiring resistance of the second counter electrode is smaller than that of the first counter electrode.Type: ApplicationFiled: November 3, 2010Publication date: May 12, 2011Applicant: Toshiba Mobile Display Co., Ltd.Inventors: Kazuyuki HARADA, Hironori Yoshinaga
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Patent number: 7796222Abstract: A display device includes a first wiring line group of wiring lines connected to odd-number-th scan lines, a second wiring line group of wiring lines connected to even-number-th scan lines, a first inspection wiring line connected to first wiring lines of the first wiring line group, a second inspection wiring line connected to second wiring lines of the first wiring line group, which neighbor the first wiring lines, a third inspection wiring line connected to third wiring lines of the second wiring line group, and a fourth inspection wiring line connected to fourth wiring lines of the second wiring line group, which neighbor the third wiring lines.Type: GrantFiled: August 3, 2005Date of Patent: September 14, 2010Assignee: Toshiba Matsushita Display Technology Co., Ltd.Inventors: Yohei Kimura, Koji Nakayama, Kazuyuki Harada
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Publication number: 20100060814Abstract: A liquid crystal display device includes an array substrate, a counter substrate and a liquid crystal layer having liquid crystal molecules interposed therebetween. The liquid crystal molecules are aligned in a direction normal to a surface of the substrates under a condition where no electrical voltage is supplied between a picture electrode and a counter electrode. An alignment control device is provided at the counter substrate and configured to control the alignment of the liquid crystal molecules under a condition where an electric field is applied between the picture electrode and the counter electrode. A scanning line crossing a pixel is divided into first and second segments. The array substrate includes a connecting element to connect the first and second segments opposite the alignment control device.Type: ApplicationFiled: August 10, 2009Publication date: March 11, 2010Applicant: Toshiba Mobile Display Co., Ltd.Inventors: Kazuyuki HARADA, Hiroyuki KIMURA
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Publication number: 20090096946Abstract: A liquid crystal display device, which is configured such that a liquid crystal layer is held between a pair of substrates, includes scanning lines extending in a row direction of matrix-arrayed pixels; and signal lines extending in a column direction of the pixels, wherein a pixel between a pair of ones of the signal lines, which neighbor in the row direction, includes, on an identical one of the pair of substrates, a first electrode which is connected to one of the pair of ones of the signal lines, and a second electrode which is opposed to the first electrode via an interlayer insulation film and is connected to the other of the pair of ones of the signal lines.Type: ApplicationFiled: September 23, 2008Publication date: April 16, 2009Inventor: Kazuyuki HARADA
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Publication number: 20080218678Abstract: A power supply wiring which is disposed on an array substrate and supplies a predetermined potential to a counter-electrode, includes a power supply pad which is included in a third electrically conductive layer, a first wiring which is included in a first electrically conductive layer and is electrically connected to the power supply pad, a second wiring which is included in a second electrically conductive layer, and a bridge wiring which is included in the third electrically conductive layer and electrically connects the first wiring and the second wiring, the power supply wiring being electrically connected to the counter-electrode via an electrically conductive member which is disposed on the power supply pad.Type: ApplicationFiled: February 26, 2008Publication date: September 11, 2008Inventors: Koji Nakayama, Noriyuki Kizu, Kazuyuki Harada
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Publication number: 20070295967Abstract: An active matrix TFT array substrate includes a gate electrode and a gate line formed from a first metal film over a transparent insulating substrate, a gate insulating film to cover the gate electrode and gate line, a semiconductor layer formed over the gate insulating film, a source electrode and a drain electrode formed over the semiconductor layer and a pixel electrode formed from a transparent conductive film. Either of the source or the drain electrode is formed from the transparent conductive film and the active matrix TFT array substrate further comprises a second metal film thereover mainly including one of Al, Cu and Ag.Type: ApplicationFiled: June 6, 2007Publication date: December 27, 2007Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Kazuyuki HARADA, Nobuaki Ishiga, Kazunori Inoue
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Publication number: 20070291212Abstract: A liquid crystal display device includes an active area which is composed of pixels arrayed in a matrix, and a light-shield area surrounding the active area. The liquid crystal display device includes a first substrate including pixel electrodes disposed in the respective pixels, a second substrate including color filters disposed in the respective pixels, and a counter-electrode which is disposed to cover the color filters and extends from the active area to at least a part of the light-shield area, and a liquid crystal layer held between the first substrate and the second substrate. The pixel electrode and the color filter of the pixel, which is disposed at an end portion of the active area, extend into the light-shield area beyond a boundary between the active area and the light-shield area.Type: ApplicationFiled: May 31, 2007Publication date: December 20, 2007Inventors: Satoshi Asada, Kazuyuki Harada, Junichi Kobayashi
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Patent number: 7038484Abstract: A display device includes a first inspection wiring line that is connected to first wiring lines of a first wiring line group and to third wiring lines of a second wiring line group, and a second inspection wiring line that is connected to second wiring lines of the first wiring line group, which neighbor the first wiring lines, and to fourth wiring lines of the second wiring line group, which neighbor the third wiring lines.Type: GrantFiled: August 3, 2005Date of Patent: May 2, 2006Assignee: Toshiba Matsushita Display Technology Co., Ltd.Inventors: Kazuyuki Harada, Yohei Kimura, Koji Nakayama
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Publication number: 20060028417Abstract: A display device includes a first inspection wiring line that is connected to first wiring lines of a first wiring line group and to third wiring lines of a second wiring line group, and a second inspection wiring line that is connected to second wiring lines of the first wiring line group, which neighbor the first wiring lines, and to fourth wiring lines of the second wiring line group, which neighbor the third wiring lines.Type: ApplicationFiled: August 3, 2005Publication date: February 9, 2006Inventors: Kazuyuki Harada, Yohei Kimura, Koji Nakayama
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Publication number: 20060028414Abstract: A display device includes a first wiring line group of wiring lines connected to odd-number-th scan lines, a second wiring line group of wiring lines connected to even-number-th scan lines, a first inspection wiring line connected to first wiring lines of the first wiring line group, a second inspection wiring line connected to second wiring lines of the first wiring line group, which neighbor the first wiring lines, a third inspection wiring line connected to third wiring lines of the second wiring line group, and a fourth inspection wiring line connected to fourth wiring lines of the second wiring line group, which neighbor the third wiring lines.Type: ApplicationFiled: August 3, 2005Publication date: February 9, 2006Inventors: Yohei Kimura, Koji Nakayama, Kazuyuki Harada
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Patent number: 6726814Abstract: A process for producing an optical article includes laminating a first optically transparent thin layer and a second optically transparent thin layer having a higher refractive index than that of the first optically transparent thin layer on a surface of a substrate. At least one of the first and second optically transparent thin layers is deposited by sputtering using a sputtering gas comprising atoms of at least one selected from the group consisting of krypton, xenon and radon.Type: GrantFiled: January 28, 2002Date of Patent: April 27, 2004Inventors: Tadahiro Ohmi, Kazuyuki Harada, Nobuyoshi Tanaka
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Patent number: 6636000Abstract: A plasma display device has a pair of substrates having electrodes and terminals provided at ends of the electrodes. Driving circuits supply a driving voltage to the electrodes via flexible printed circuit boards to emit light. Connectors are detachably attached to the substrate. The connector includes a housing and terminal members disposed in the housing, with the terminal member having a U-shaped cross-sectional shape, so that a first portion as one leg of the “U” contacts the terminal of the electrode and a second portion as another leg of the “U” contacts the conductor of the flexible connecting member. The terminals of the electrodes are arranged in a staggered manner at the end of the substrate.Type: GrantFiled: August 15, 2001Date of Patent: October 21, 2003Assignee: Fujitsu Hitachi Plasma Display LimitedInventors: Fumitaka Asami, Tadao Miyasaka, Kazuyuki Harada, Masatoshi Hira, Norio Matsumoto
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Publication number: 20020106830Abstract: An optical article is formed in such structure that an optical thin film is laminated on a surface of a substrate and that the optical thin film comprises atoms of at least one selected from the group consisting of krypton, xenon, and radon.Type: ApplicationFiled: January 28, 2002Publication date: August 8, 2002Inventors: Tadahiro Ohmi, Kazuyuki Harada, Nobuyoshi Tanaka
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Patent number: 6372646Abstract: An exposure apparatus having an illumination light source and a stage for an exposed object to be mounted thereon, in which at least one of an illumination optical system and a projection optical system includes a plurality of optical articles in each of which a first optically transparent thin layer and a second optically transparent thin layer having a higher refractive index than that of the first optically transparent thin layer are laminated on a surface of a substrate. At least one of the first and second optically transparent thin layers includes a layer of oxides or fluorides and atoms of at least one selected from the group consisting of krypton, xenon and radon, in which the content of the atoms is within a range of from 0.5 atomic ppm to 1 atomic %, inclusive.Type: GrantFiled: August 31, 1999Date of Patent: April 16, 2002Assignee: Canon Kabushiki KaishaInventors: Tadahiro Ohmi, Kazuyuki Harada, Nobuyoshi Tanaka
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Publication number: 20020041155Abstract: A plasma display device has a pair of substrates having electrodes and terminals provided at ends of the electrodes. Driving circuits supply a driving voltage to the electrodes via flexible printed circuit boards to emit light. Connectors are detachably attached to the substrate. The connector includes a housing and terminal members disposed in the housing, with the terminal member having a U-shaped cross-sectional shape, so that a first portion as one leg of the “U” contacts the terminal of the electrode and a second portion as another leg of the “U” contacts the conductor of the flexible connecting member. The terminals of the electrodes are arranged in a staggered manner at the end of the substrate.Type: ApplicationFiled: August 15, 2001Publication date: April 11, 2002Applicant: FUJITSU HITACHI PLASMA DISPLAY LIMITEDInventors: Fumitaka Asami, Tadao Miyasaka, Kazuyuki Harada, Masatoshi Hira, Norio Matsumoto
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Publication number: 20020006713Abstract: An optical article is formed in such structure that an optical thin film is laminated on a surface of a substrate and that the optical thin film comprises atoms of at least one selected from the group consisting of krypton, xenon, and radon.Type: ApplicationFiled: August 31, 1999Publication date: January 17, 2002Inventors: TADAHIRO OHMI, KAZUYUKI HARADA, NOBUYOSHI TANAKA
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Patent number: 5981075Abstract: An optical article includes an optical thin film laminated on a surface of a substrate. The optical thin film includes atoms of at least one selected from the group consisting of krypton, xenon and radon. The optical thin film is a film of oxides or fluorides and the content of the atoms is within 0.5 atomic ppm to 1 atomic %.Type: GrantFiled: February 9, 1996Date of Patent: November 9, 1999Assignee: Canon Kabushiki KaishaInventors: Tadahiro Ohmi, Kazuyuki Harada, Nobuyoshi Tanaka
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Patent number: 5076383Abstract: A steering damper device includes a cylinder assembly having a plurality of fluid chambers providing a fluid circuit that is controlled by a control valve assembly which is operatively associated with a steering shaft to detect a steering force applied to the steering shaft. A flow rate control unit having a restriction for restricting a fluid flow in one direction is disposed in fluid passages which provide fluid communication between the fluid chambers through the control valve assembly. The steering damper device comprises an actuator in a hydraulically operated power steering apparatus including an oil pump and a reservoir tank. The cylinder assembly comprises a cylinder for generating an assistive steering force. The flow rate control unit restricts the flow flowing only from the control valve assembly to the oil pump.Type: GrantFiled: June 16, 1989Date of Patent: December 31, 1991Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Kazushiro Inoue, Kazuyuki Harada, Kiyotaka Hayashi, Etsumi Handa