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: 7821584Abstract: Even when gate lines are pulled around at both left and right picture frame regions, it is possible to prevent a gate wiring pattern which is constituted of the gate lines and gate-line pull-around lines and a storage wiring pattern which is constituted of storage lines and a common line which connects storage lines each other from getting over each other. The gate lines GL1, GL2 are pulled around by the gate-line pull-around lines GLL1, GLL2 in both left and right picture frame regions. The common lines B2, B3 which connect the storage lines STL each other are formed at both left and right picture frame regions. Further, the gate wiring pattern which is constituted of the gate lines GL1, GL2 and the gate-line pull-around lines GLL1, GLL2 and the storage wiring pattern which is constituted of the storage lines STL and the common lines B2, B3 do not cross each other.Type: GrantFiled: November 17, 2008Date of Patent: October 26, 2010Assignee: Hitachi, Ltd.Inventors: Hitoshi Komeno, Kouichi Anno
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Publication number: 20100220276Abstract: A liquid crystal display device produced by rubbing a resin film formed on an upper surface of a stacked body in each of panel regions of a first substrate in a direction substantially parallel to or in a direction substantially perpendicular to an arrangement direction of the panel regions, and forming, in the case where a side positioned on a rubbing start side, among sides of each of first organic insulating films, is defined as a first side, and each of sides parallel to a rubbing direction, among sides of a second organic insulating films disposed adjacent to the first side, is defined as a second side, a portion of the first side that crosses the second side when the second side is virtually extended in the rubbing direction so as to have a predetermined angle other than 0° and 90° with respect to a direction perpendicular to the rubbing direction, as viewed in a plane.Type: ApplicationFiled: March 1, 2010Publication date: September 2, 2010Inventors: Takao SATO, Hitoshi Komeno
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Publication number: 20100123869Abstract: 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: ApplicationFiled: November 16, 2009Publication date: May 20, 2010Inventors: Hirokazu ITAKURA, Hitoshi Komeno, Tomoaki Takahashi
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Publication number: 20100039600Abstract: 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: ApplicationFiled: October 22, 2009Publication date: February 18, 2010Inventors: Nobuyuki ISHIGE, Hitoshi Komeno
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Publication number: 20100014042Abstract: The present invention provides a liquid crystal display device with a narrow picture frame which reduces a sealing defect by suppressing spreading of an orientation film. In a region inside a sealing material and outside a display region, an uneven surface for suppressing spreading of the orientation film is formed. It is preferable that the uneven surface is formed using an insulation film and, at the same time, an etching stopper layer is formed below the insulation film which forms the uneven surface. It is more preferable that the uneven surface and the stopper layer are simultaneously formed with a layer used for forming pixels in a step for forming such a layer thus preventing the increase of manufacturing steps.Type: ApplicationFiled: July 16, 2009Publication date: January 21, 2010Inventors: Hitoshi Komeno, Toshiyuki Koshita
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Patent number: 7599027Abstract: A transflective liquid crystal display device includes a liquid crystal display panel having a first substrate, a second substrate, and a liquid crystal interposed between the first substrate and the second substrate in which the liquid crystal display panel includes a plurality of subpixels having a transmissive portion and a reflective portion, wherein the transmissive portion of each of the plurality of subpixels includes a first common electrode formed on the first substrate, and a transmissive pixel electrode formed on the first common electrode through an interlayer insulating film, wherein the transmissive pixel electrode has a plurality of pectinate electrodes or slits, and wherein the reflective portion of each of the plurality of subpixels includes a reflective electrode formed on the first common electrode, a planar reflective pixel electrode formed on the first common electrode through the interlayer insulating film, second common electrodes formed on the second substrate, and a retarder formed beType: GrantFiled: October 29, 2007Date of Patent: October 6, 2009Assignee: Hitachi Displays, Ltd.Inventors: Koichi Igeta, Hitoshi Komeno, Shinichi Komura, Shoichi Hirota, Osamu Itou, Shinichiro Oka
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Publication number: 20090244422Abstract: 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: ApplicationFiled: November 20, 2008Publication date: October 1, 2009Inventors: Kengo Okazaki, Hideaki Ishige, Hitoshi Komeno, Toshiyuki Koshita
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Patent number: 7580104Abstract: The present invention provides a liquid crystal display device with a narrow picture frame which reduces a sealing defect by suppressing spreading of an orientation film. In a region inside a sealing material and outside a display region, an uneven surface for suppressing spreading of the orientation film is formed. It is preferable that the uneven surface is formed using an insulation film and, at the same time, an etching stopper layer is formed below the insulation film which forms the uneven surface. It is more preferable that the uneven surface and the stopper layer are simultaneously formed with a layer used for forming pixels in a step for forming such a layer thus preventing the increase of manufacturing steps.Type: GrantFiled: November 16, 2007Date of Patent: August 25, 2009Assignee: Hitachi Displays, LtdInventors: Hitoshi Komeno, Toshiyuki Koshita
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Publication number: 20090102822Abstract: The present invention provides an integral-type liquid crystal display module having a first display panel and a second display panel which can use a display panel of high resolution as the second display panel. The display device includes a first display panel, a second display panel, and a first flexible printed circuit board which connects the first display panel and the second display panel. Here, the first display panel includes display drive means. Video lines of the second display panel are connected with the display drive means through connection lines for video lines of the first flexible printed circuit board. Further, the second display panel includes scanning line drive means which supplies drive voltages to scanning lines of the second display panel.Type: ApplicationFiled: December 16, 2008Publication date: April 23, 2009Inventors: Mitsuru Goto, Nobuhiko Hosotani, Toshio Miyazawa, Hiroyuki Takahashi, Hitoshi Komeno
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Publication number: 20090079889Abstract: Even when gate lines are pulled around at both left and right picture frame regions, it is possible to prevent a gate wiring pattern which is constituted of the gate lines and gate-line pull-around lines and a storage wiring pattern which is constituted of storage lines and a common line which connects storage lines each other from getting over each other. The gate lines GL1, GL2 are pulled around by the gate-line pull-around lines GLL1, GLL2 in both left and right picture frame regions. The common lines B2, B3 which connect the storage lines STL each other are formed at both left and right picture frame regions. Further, the gate wiring pattern which is constituted of the gate lines GL1, GL2 and the gate-line pull-around lines GLL1, GLL2 and the storage wiring pattern which is constituted of the storage lines STL and the common lines B2, B3 do not cross each other.Type: ApplicationFiled: November 17, 2008Publication date: March 26, 2009Inventors: Hitoshi Komeno, Kouichi Anno
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Patent number: 7471261Abstract: An integral-type liquid crystal display module has a first display panel and a second display panel, and it can use a display panel of high resolution as the second display panel. The display device includes a first display panel, a second display panel, and a first flexible printed circuit board which connects the first display panel and the second display panel. The first display panel includes a display drive unit. Video lines of the second display panel are connected with the display drive unit through connection lines for video lines of the first flexible printed circuit board. Further, the second display panel includes a scanning line drive unit which supplies drive voltages to scanning lines of the second display panel.Type: GrantFiled: September 10, 2004Date of Patent: December 30, 2008Inventors: Mitsuru Goto, Nobuhiko Hosotani, Toshio Miyazawa, Hiroyuki Takahashi, Hitoshi Komeno
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Patent number: 7471349Abstract: Even when gate lines are pulled around at both left and right picture frame regions, it is possible to prevent a gate wiring pattern which is constituted of the gate lines and gate-line pull-around lines and a storage wiring pattern which is constituted of storage lines and a common line which connects storage lines each other from getting over each other. The gate lines GL1, GL2 are pulled around by the gate-line pull-around lines GLL1, GLL2 in both left and right picture frame regions. The common lines B2, B3 which connect the storage lines STL each other are formed at both left and right picture frame regions. Further, the gate wiring pattern which is constituted of the gate lines GL1, GL2 and the gate-line pull-around lines GLL1, GLL2 and the storage wiring pattern which is constituted of the storage lines STL and the common lines B2, B3 do not cross each other.Type: GrantFiled: March 15, 2006Date of Patent: December 30, 2008Assignee: Hitachi, Ltd.Inventors: Hitoshi Komeno, Kouichi Anno
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Publication number: 20080137022Abstract: The present invention provides a liquid crystal display device with a narrow picture frame which reduces a sealing defect by suppressing spreading of an orientation film. In a region inside a sealing material and outside a display region, an uneven surface for suppressing spreading of the orientation film is formed. It is preferable that the uneven surface is formed using an insulation film and, at the same time, an etching stopper layer is formed below the insulation film which forms the uneven surface. It is more preferable that the uneven surface and the stopper layer are simultaneously formed with a layer used for forming pixels in a step for forming such a layer thus preventing the increase of manufacturing steps.Type: ApplicationFiled: November 16, 2007Publication date: June 12, 2008Inventors: Hitoshi Komeno, Toshiyuki Koshita
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Publication number: 20080100785Abstract: A transflective liquid crystal display device includes a liquid crystal display panel having a first substrate, a second substrate, and a liquid crystal interposed between the first substrate and the second substrate in which the liquid crystal display panel includes a plurality of subpixels having a transmissive portion and a reflective portion, wherein the transmissive portion of each of the plurality of subpixels includes a first common electrode formed on the first substrate, and a transmissive pixel electrode formed on the first common electrode through an interlayer insulating film, wherein the transmissive pixel electrode has a plurality of pectinate electrodes or slits, and wherein the reflective portion of each of the plurality of subpixels includes a reflective electrode formed on the first common electrode, a planar reflective pixel electrode formed on the first common electrode through the interlayer insulating film, second common electrodes formed on the second substrate, and a retarder formed beType: ApplicationFiled: October 29, 2007Publication date: May 1, 2008Inventors: Koichi Igeta, Hitoshi Komeno, Shinichi Komura, Shoichi Hirota, Osamu Itou, Shinichiro Oka
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Patent number: 7342626Abstract: The present invention prevents a frame-like luminance difference generated in a portion which surrounds a light transmissive region. In a pixel region formed on a substrate, a first pixel electrode formed of a light transmissive conductive layer is formed in one light transmissive region which is formed by partitioning the pixel region and a second pixel electrode formed of a non-light transmissive conductive film is formed on the other light reflective region. The first pixel electrode is positioned as a lower layer with respect to an insulation film. A hole is formed in the insulation film in a region corresponding to the light transmissive region so as to expose the first pixel electrode. The second pixel electrode is formed on a light reflective region of the insulation film. Light shielding is performed at a portion corresponding to a side wall surface of the hole formed in the insulation film.Type: GrantFiled: July 31, 2006Date of Patent: March 11, 2008Assignee: Hitachi Displays, Ltd.Inventors: Kouichi Anno, Hitoshi Komeno, Tomonori Nishino
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Patent number: 7304710Abstract: A liquid crystal display device has a narrowed peripheral area; more particularly, the liquid crystal display device is characterized in that disconnection or short-circuiting of connecting lines disposed in the narrowed peripheral area is restrained. The liquid crystal display device includes a pixel area having pixel electrodes and a peripheral area surrounding the pixel area. Gate lines and drain lines are disposed in 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: July 15, 2003Date of Patent: December 4, 2007Assignees: Hitachi Displays, Ltd., Hitachi Device Engineering Co., Ltd.Inventors: Nobuyuki Ishige, Hitoshi Komeno
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Publication number: 20070252830Abstract: 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: June 22, 2007Publication date: November 1, 2007Inventors: Hiroko Hayata, Nobuyuki Ishige, Hitoshi Komeno
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Publication number: 20070216822Abstract: 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: ApplicationFiled: May 9, 2007Publication date: September 20, 2007Inventors: Nobuyuki Ishige, Hitoshi Komeno
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Patent number: 7251009Abstract: 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: March 17, 2005Date of Patent: July 31, 2007Assignees: Hitachi Displays, Ltd., Hitachi Device Engineering Co., Ltd.Inventors: Hiroko Hayata, Nobuyuki Ishige, Hitoshi Komeno
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Patent number: 7164453Abstract: Even when gate lines are pulled around at both left and right picture frame regions, it is possible to prevent a gate wiring pattern which is constituted of the gate lines and gate-line pull-around lines and a storage wiring pattern which is constituted of storage lines and a common line which connects storage lines each other from getting over each other. The gate lines GL1, GL2 are pulled around by the gate-line pull-around lines GLL1, GLL2 in both left and right picture frame regions. The common lines B2, B3 which connect the storage lines STL each other are formed at both left and right picture frame regions. Further, the gate wiring pattern which is constituted of the gate lines GL1, GL2 and the gate-line pull-around lines GLL1, GLL2 and the storage wiring pattern which is constituted of the storage lines STL and the common lines B2, B3 do not cross each other.Type: GrantFiled: June 17, 2005Date of Patent: January 16, 2007Assignee: Hitachi, Ltd.Inventors: Hitoshi Komeno, Kouichi Anno