Patents by Inventor Shigeaki Noumi

Shigeaki Noumi 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).

  • Patent number: 9798206
    Abstract: A liquid crystal display apparatus includes: an array substrate; a seal material; and an opposite substrate, wherein the array substrate includes: a plurality of thin film transistors formed in correspondence to respective intersection parts of a plurality of gate wirings and a plurality of source wirings; a pixel electrode connected to the thin film transistor; an opposite electrode formed to face the pixel electrode; a gate extraction wiring that connects the gate wirings and a connection terminal formed in an outer area of the seal material; a conductive film that covers the gate extraction wiring with sandwiching a first insulation film therebetween; and a second insulation film that covers the conductive film in at least part of the outer area of the seal material, and wherein the conductive film is applied with an electrical potential of the opposite electrode.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: October 24, 2017
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Shingo Nagano, Shigeaki Noumi, Osamu Miyakawa
  • Patent number: 9645457
    Abstract: An array substrate has regions in which an intermediate resist film thickness is formed and processed by an intermediate exposure amount which does not completely expose a resist, respectively on a drain electrode, source terminal, and a common connection wiring which are made of a second conductive film. Thin film patterns or a common wiring made of a first conductive film is formed in substantially entire regions on the bottom layers of the regions so that the heights from a substrate are substantially the same.
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: May 9, 2017
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yuichi Masutani, Shigeaki Noumi, Takeshi Shimamura, Masaru Aoki
  • Patent number: 9564456
    Abstract: An array substrate includes: a gate wiring; a source wiring, which is formed to intersect the gate wiring; a passivation film, which covers the source wiring; and a pixel electrode that is formed on the passivation film. The array substrate has a display area and a dummy pixel area. In the display area, a switching element in the vicinity of the intersection of the gate wiring and the source wiring is provided. In the display area, the pixel electrode and the source wiring do not have an overlapping area in a top view. The dummy pixel area is located outside the display area, and in the dummy pixel area, a dummy pixel electrode and two source wirings, which are adjacent to the dummy pixel electrode have an overlapping area in a top view.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: February 7, 2017
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shigeaki Noumi, Fumihiro Goto
  • Publication number: 20170017131
    Abstract: There is provided a repair technique capable of repairing interconnect lines and the like in an electronic device with ease and with reliability and capable of suppressing the increase in the number of manufacturing steps associated with the repair to suppress the increase in manufacturing costs. The electronic device having a multi-layer interconnection structure includes: a foundation layer; a patterned interconnect line provided on the foundation layer; and an insulation film formed on the foundation layer and the interconnect line. The insulation film includes at least one thin film part in which at least part of the insulation film which lies on the interconnect line has a thickness less than that of its surroundings.
    Type: Application
    Filed: June 30, 2016
    Publication date: January 19, 2017
    Applicant: Mitsubishi Electric Corporation
    Inventors: Masaru AOKI, Shigeaki NOUMI, Katsuaki MURAKAMI
  • Publication number: 20160172385
    Abstract: An array substrate includes: a gate wiring; a source wiring, which is formed to intersect the gate wiring; a passivation film, which covers the source wiring; and a pixel electrode that is formed on the passivation film. The array substrate has a display area and a dummy pixel area. In the display area, a switching element in the vicinity of the intersection of the gate wiring and the source wiring is provided. In the display area, the pixel electrode and the source wiring do not have an overlapping area in a top view. The dummy pixel area. is located outside the display area, and in the dummy pixel area, a dummy pixel electrode and two source wirings, which are adjacent to the dummy pixel electrode have an overlapping area in a top view.
    Type: Application
    Filed: December 8, 2015
    Publication date: June 16, 2016
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Shigeaki NOUMI, Fumihiro GOTO
  • Publication number: 20160011479
    Abstract: A liquid crystal display apparatus includes: an array substrate; a seal material; and an opposite substrate, wherein the array substrate includes: a plurality of thin film transistors formed in correspondence to respective intersection parts of a plurality of gate wirings and a plurality of source wirings; a pixel electrode connected to the thin film transistor; an opposite electrode formed to face the pixel electrode; a gate extraction wiring that connects the gate wirings and a connection terminal formed in an outer area of the seal material; a conductive film that covers the gate extraction wiring with sandwiching a first insulation film therebetween; and a second insulation film that covers the conductive film in at least part of the outer area of the seal material, and wherein the conductive film is applied with an electrical potential of the opposite electrode.
    Type: Application
    Filed: September 18, 2015
    Publication date: January 14, 2016
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Shingo NAGANO, Shigeaki Noumi, Osamu Miyakawa
  • Patent number: 9176351
    Abstract: A liquid crystal display apparatus includes: an array substrate; a seal material; and an opposite substrate, wherein the array substrate includes: a plurality of thin film transistors formed in correspondence to respective intersection parts of a plurality of gate wirings and a plurality of source wirings; a pixel electrode connected to the thin film transistor; an opposite electrode formed to face the pixel electrode; a gate extraction wiring that connects the gate wirings and a connection terminal formed in an outer area of the seal material; a conductive film that covers the gate extraction wiring with sandwiching a first insulation film therebetween; and a second insulation film that covers the conductive film in at least part of the outer area of the seal material, and wherein the conductive film is applied with an electrical potential of the opposite electrode.
    Type: Grant
    Filed: March 19, 2012
    Date of Patent: November 3, 2015
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Shingo Nagano, Shigeaki Noumi, Osamu Miyakawa
  • Publication number: 20140320779
    Abstract: A display device includes: a plurality of tape members is provided along one side of a display panel, wherein a first tape member is provided at an end portion in an extending direction of the one side, wherein the first tape member has: a first side where the input terminal is provided; a second side where the output terminal is provided; and an outer side, which is close to the end portion in the extending direction of the one side, wherein at least a part of the outer side is inclined with respect to another side of the first tape member, so that a width of the first side is narrower than a width of the second side, and wherein the outer side is closer to the end portion than an end side of the display control substrate, in the extending direction.
    Type: Application
    Filed: April 23, 2014
    Publication date: October 30, 2014
    Applicant: Mitsubishi Electric Corporation
    Inventor: Shigeaki NOUMI
  • Publication number: 20120249916
    Abstract: A liquid crystal display apparatus includes: an array substrate; a seal material; and an opposite substrate, wherein the array substrate includes: a plurality of thin film transistors formed in correspondence to respective intersection parts of a plurality of gate wirings and a plurality of source wirings; a pixel electrode connected to the thin film transistor; an opposite electrode formed to face the pixel electrode; a gate extraction wiring that connects the gate wirings and a connection terminal formed in an outer area of the seal material; a conductive film that covers the gate extraction wiring with sandwiching a first insulation film therebetween; and a second insulation film that covers the conductive film in at least part of the outer area of the seal material, and wherein the conductive film is applied with an electrical potential of the opposite electrode.
    Type: Application
    Filed: March 19, 2012
    Publication date: October 4, 2012
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Shingo Nagano, Shigeaki Noumi, Osamu Miyakawa
  • Patent number: 8111367
    Abstract: A display device comprises a metallic wiring formed on an insulating substrate, an inorganic insulating film formed on the metallic wiring, an organic resin film formed on the inorganic insulating film, a transparent conductive film formed in a portion on the metallic wiring where the inorganic insulating film and the organic resin film are removed, a connection terminal formed in a region for mounting a driving IC external to the display region on the insulating substrate, and a bump of the driving IC connected to the connection terminal by an anisotropic conductive film in order to supply a signal to the display region. The region for mounting a driving IC includes a region where the inorganic insulating film and the organic resin film are formed on the metallic wiring and a region where the inorganic insulating film and the organic resin film are removed from the metallic wiring.
    Type: Grant
    Filed: October 14, 2008
    Date of Patent: February 7, 2012
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hiroshi Ueda, Shigeaki Noumi
  • Patent number: 7880853
    Abstract: The present invention provides a display device which has a narrow screen border, and excellent display equality. The display device according to the present invention comprises a display panel comprising a glass substrate and a source driver IC which is provided along the edge of the glass substrate. The FPC is connected between the source driver ICs. At the substrate end side of the source driver IC, a bump for GND, a bump for analog power supply, a bump for digital power supply, a bump for reference voltage at the positive polarity side, and a bump for reference voltage at the negative polarity side are formed sequentially from the outer side along the flow of current. These bumps for input and the FPC are connected with the lines for input on the glass substrate. The logic signal lines and are formed along the short side of the source driver IC and along the long side at the display area side.
    Type: Grant
    Filed: October 25, 2006
    Date of Patent: February 1, 2011
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Hirofumi Iwanaga, Shigeaki Noumi, Hitoshi Morishita, Hiroshi Ueda
  • Patent number: 7876122
    Abstract: An array substrate is provided with thereon a display area in which plural pixels are arranged in a matrix shape. Output-side mounting terminals for a source driving circuit chip, which is COG-mounted on a frame area on the outside of the display area, have a plural-row zigzag arrangement. Inspection terminals individually provided in correspondence to the output-side mounting terminals have a zigzag arrangement opposite to the zigzag arrangement of the output-side mounting terminals in a terminal-row direction. Additionally, the output-side mounting terminals and the inspection terminals are disposed below the source driving circuit chip.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: January 25, 2011
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shigeaki Noumi, Yuichi Masutani
  • Patent number: 7760314
    Abstract: The present invention provides a display device which has a narrow screen border, and excellent display equality. The display device according to the present invention comprises a display panel comprising a glass substrate and a source driver IC which is provided along the edge of the glass substrate. The FPC is connected between the source driver ICs. At the substrate end side of the source driver IC, a bump for GND, a bump for analog power supply, a bump for digital power supply, a bump for reference voltage at the positive polarity side, and a bump for reference voltage at the negative polarity side are formed sequentially from the outer side along the flow of current. These bumps for input and the FPC are connected with the lines for input on the glass substrate. The logic signal lines and are formed along the short side of the source driver IC and along the long side at the display area side.
    Type: Grant
    Filed: October 25, 2006
    Date of Patent: July 20, 2010
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Hirofumi Iwanaga, Shigeaki Noumi, Hitoshi Morishita, Hiroshi Ueda
  • Patent number: 7633590
    Abstract: An object of the present invention is to provide an image display device that is free from disconnection in a connection structure between given substrates even when operated in a hot and humid environment. An image display device according to a preferred embodiment of the invention has a TFT substrate and an FPC. The TFT substrate has a plurality of first terminals capable of application of potential. The FPC has second terminals that are connected respectively with the first terminals through an anisotropic conductive film and that are thicker than the first terminals. The second terminals include a high-potential terminal, a low-potential terminal, and a dummy terminal. The high-potential terminal is supplied with a relatively high potential that contributes to the display operation. The low-potential terminal is supplied with a relatively low potential that contributes to the display operation.
    Type: Grant
    Filed: February 21, 2006
    Date of Patent: December 15, 2009
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Hiroshi Ueda, Hitoshi Morishita, Shigeaki Noumi
  • Publication number: 20090243641
    Abstract: An array substrate is provided with thereon a display area in which plural pixels are arranged in a matrix shape. Output-side mounting terminals for a source driving circuit chip, which is COG-mounted on a frame area on the outside of the display area, have a plural-row zigzag arrangement. Inspection terminals individually provided in correspondence to the output-side mounting terminals have a zigzag arrangement opposite to the zigzag arrangement of the output-side mounting terminals in a terminal-row direction. Additionally, the output-side mounting terminals and the inspection terminals are disposed below the source driving circuit chip.
    Type: Application
    Filed: March 26, 2009
    Publication date: October 1, 2009
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Shigeaki NOUMI, Yuichi MASUTANI
  • Patent number: 7593085
    Abstract: The present invention provides a flexible printed circuit that is less likely to suffer from erosion (corrosion) of electrode terminals even in severe environments and a display device using the flexible printed circuit. According to the present invention, a flexible printed circuit includes a flexible FPC film, FPC interconnections formed of a given pattern on the FPC film, a solder resist covering the FPC interconnections, and FPC terminals provided at ends of the FPC interconnections to make external connection. According to the invention, the FPC terminals include at least one terminal that has an end located inside of an outline of the FPC film.
    Type: Grant
    Filed: May 16, 2006
    Date of Patent: September 22, 2009
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Kenichi Watanabe, Hiroshi Ueda, Hiroshi Tachibana, Shigeaki Noumi
  • Patent number: 7554634
    Abstract: A thin film transistor array substrate includes a reflective electrode, a storage capacitor electrode disposed below the reflective electrode with a first insulation layer interposed therebetween, a second insulation layer disposed above the reflective electrode, the second insulation layer having a contact hole in an area where the storage capacitor electrode is not disposed, a transmissive electrode electrically connected to the reflective electrode through the contact hole, and a thickness compensation pattern disposed below the reflective electrode in an area having the contact hole. The thickness compensation pattern is isolated from the storage capacitor electrode.
    Type: Grant
    Filed: October 11, 2006
    Date of Patent: June 30, 2009
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yuichi Masutani, Shigeaki Noumi, Shingo Nagano
  • Patent number: 7535522
    Abstract: A liquid crystal display of the present invention comprises a display portion having two opposed insulating substrates (an electrode substrate (1) and an opposed substrate 2) holding a liquid crystal layer to form a plurality of display elements, wires (3a) formed on at least one of the insulating substrates, for supplying signals to the plurality of display elements, a driver LSI (6) provided in a peripheral portion of the insulating substrate, being connected to terminals of the wires (3a, 3b) to drive a plurality of display elements, and a conductive film pattern portion formed on the wires (3a) in the peripheral portion of the insulating substrate with a first insulating layer interposed therebetween. With this constitution, a liquid crystal display which allows inspection of output signals of the driver LSI in a failure analysis, without extending wires or exposing electrode portions connected to the wires and a method of inspecting the liquid crystal display are provided.
    Type: Grant
    Filed: June 14, 2005
    Date of Patent: May 19, 2009
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Kenichi Watanabe, Yuichi Masutani, Shigeaki Noumi, Hitoshi Morishita, Hiroshi Ueda
  • Publication number: 20090096973
    Abstract: A display device comprises a metallic wiring formed on an insulating substrate, an inorganic insulating film formed on the metallic wiring, an organic resin film formed on the inorganic insulating film, a transparent conductive film formed in a portion on the metallic wiring where the inorganic insulating film and the organic resin film are removed, a connection terminal formed in a region for mounting a driving IC external to the display region on the insulating substrate, and a bump of the driving IC connected to the connection terminal by an anisotropic conductive film in order to supply a signal to the display region. The region for mounting a driving IC includes a region where the inorganic insulating film and the organic resin film are formed on the metallic wiring and a region where the inorganic insulating film and the organic resin film are removed from the metallic wiring.
    Type: Application
    Filed: October 14, 2008
    Publication date: April 16, 2009
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hiroshi UEDA, Shigeaki NOUMI
  • Patent number: 7405783
    Abstract: A display apparatus according to the present invention is provided with a gate line 2 formed on an insulating substrate, a source line 13 intersecting with the gate line 2 with an insulating film in between, a source electrode 6 connected to the source line 13, a drain electrode 10 connected to a pixel electrode 9, a semiconductor layer 4 formed below the source electrode 6, the source line 13, and the drain electrode 10, a light-shielding pattern 12 configured below the semiconductor layer 4 lying below the source line 13, and a backlight emitting lights from a light source to the surface of the insulating substrate opposite to where pixels are formed. In this configuration, leakage current arisen in the semiconductor layer lying below the source line, the extending pattern of the drain electrode, and so on can be suppressed.
    Type: Grant
    Filed: June 7, 2005
    Date of Patent: July 29, 2008
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hironori Aoki, Shigeaki Noumi, Takafumi Hashiguchi