Patents by Inventor Hisashi Ohba

Hisashi Ohba 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: 8101432
    Abstract: A method of repairing a defective one of devices mounted on substrate is provided. Devices are arrayed on a substrate and electrically connected to wiring lines connected to a drive circuit, to be thus mounted on the substrate. The devices mounted on the substrate are then subjected to an emission test. If a defective device is detected in this test, a repair device is mounted at a position corresponding to a position of the defective device. At this time, after wiring lines connected to the defective device are cut off, the repair device is electrically connected to portions of the wiring lines, the portions of the wiring lines being located at positions nearer to the drive circuit side than the cut-off positions of the wiring lines.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: January 24, 2012
    Assignee: Sony Corporation
    Inventors: Toyoharu Oohata, Toshiaki Iwafuchi, Hisashi Ohba
  • Patent number: 7763139
    Abstract: A method of selectively transferring devices arrayed on a first substrate to a second substrate on which an adhesive resin layer is previously formed is provided. The method includes steps of selectively heating the adhesive resin layer on the second substrate by laser irradiation from the back surface side of the second substrate, and curing the selectively heated portions of the adhesive resin layer, thereby adhesively bonding those to be transferred of the devices to the second substrate. At this time, portions, corresponding to the devices, of the adhesive layer are heated directly or indirectly via the devices or wiring portions by laser irradiation from the back surface side of the substrate. The heated portions of the adhesive resin layer selectively exhibit the adhesive forces. The heated portions of the adhesive layer are then cured, so that only the devices to be transferred are selectively transferred to the second substrate.
    Type: Grant
    Filed: October 23, 2006
    Date of Patent: July 27, 2010
    Assignee: Sony Corporation
    Inventors: Kunihiko Hayashi, Yoshiyuki Yanagisawa, Toshiaki Iwafuchi, Hisashi Ohba
  • Patent number: 7723764
    Abstract: A method of repairing a defective one of devices mounted on substrate is provided. Devices are arrayed on a substrate and electrically connected to wiring lines connected to a drive circuit, to be thus mounted on the substrate. The devices mounted on the substrate are then subjected to an emission test. If a defective device is detected in this test, a repair device is mounted at a position corresponding to a position of the defective device. At this time, after wiring lines connected to the defective device are cut off, the repair device is electrically connected to portions of the wiring lines, the portions of the wiring lines being located at positions nearer to the drive circuit side than the cut-off positions of the wiring lines.
    Type: Grant
    Filed: May 25, 2006
    Date of Patent: May 25, 2010
    Assignee: Sony Corporation
    Inventors: Toyoharu Oohata, Toshiaki Iwafuchi, Hisashi Ohba
  • Patent number: 7501752
    Abstract: Light emitting devices formed in an array on a first substrate are transferred to an insulating material, to form a sheet-shaped device substrate. The sheet-shaped device substrate is cut along an array direction of the light emitting devices into long-sized line-shaped device substrates. The line-shaped device substrates are arrayed on a second substrate such that the line-shaped device substrates are enlargedly spaced from each other. The line-shaped device substrates divided from the second substrate are arrayed on a third substrate such as to be enlargedly spaced from each other.
    Type: Grant
    Filed: March 25, 2005
    Date of Patent: March 10, 2009
    Assignee: Sony Corporation
    Inventors: Hisashi Ohba, Kunihiko Hayashi
  • Patent number: 7205214
    Abstract: A method of selectively transferring devices arrayed on a first substrate to a second substrate on which an adhesive resin layer is previously formed is provided. The method includes steps of selectively heating the adhesive resin layer on the second substrate by laser irradiation from the back surface side of the second substrate, and curing the selectively heated portions of the adhesive resin layer, thereby adhesively bonding those to be transferred of the devices to the second substrate. At this time, portions, corresponding to the devices, of the adhesive layer are heated directly or indirectly via the devices or wiring portions by laser irradiation from the back surface side of the substrate. The heated portions of the adhesive resin layer selectively exhibit the adhesive forces. The heated portions of the adhesive layer are then cured, so that only the devices to be transferred are selectively transferred to the second substrate.
    Type: Grant
    Filed: March 14, 2005
    Date of Patent: April 17, 2007
    Assignee: Sony Corporation
    Inventors: Kunihiko Hayashi, Yoshiyuki Yanagisawa, Toshiaki Iwafuchi, Hisashi Ohba
  • Patent number: 7205213
    Abstract: A method of selectively transferring devices arrayed on a first substrate to a second substrate on which an adhesive resin layer is previously formed is provided. The method includes steps of selectively heating the adhesive resin layer on the second substrate by laser irradiation from the back surface side of the second substrate, and curing the selectively heated portions of the adhesive resin layer, thereby adhesively bonding those to be transferred of the devices to the second substrate. At this time, portions, corresponding to the devices, of the adhesive layer are heated directly or indirectly via the devices or wiring portions by laser irradiation from the back surface side of the substrate. The heated portions of the adhesive resin layer selectively exhibit the adhesive forces. The heated portions of the adhesive layer are then cured, so that only the devices to be transferred are selectively transferred to the second substrate.
    Type: Grant
    Filed: March 14, 2005
    Date of Patent: April 17, 2007
    Assignee: Sony Corporation
    Inventors: Kunihiko Hayashi, Yoshiyuki Yanagisawa, Toshiaki Iwafuchi, Hisashi Ohba
  • Patent number: 7205212
    Abstract: A method of selectively transferring devices arrayed on a first substrate to a second substrate on which an adhesive resin layer is previously formed is provided. The method includes steps of selectively heating the adhesive resin layer on the second substrate by laser irradiation from the back surface side of the second substrate, and curing the selectively heated portions of the adhesive resin layer, thereby adhesively bonding those to be transferred of the devices to the second substrate. At this time, portions, corresponding to the devices, of the adhesive layer are heated directly or indirectly via the devices or wiring portions by laser irradiation from the back surface side of the substrate. The heated portions of the adhesive resin layer selectively exhibit the adhesive forces. The heated portions of the adhesive layer are then cured, so that only the devices to be transferred are selectively transferred to the second substrate.
    Type: Grant
    Filed: March 14, 2005
    Date of Patent: April 17, 2007
    Assignee: Sony Corporation
    Inventors: Kunihiko Hayashi, Yoshiyuki Yanagisawa, Toshiaki Iwafuchi, Hisashi Ohba
  • Patent number: 7195687
    Abstract: A method of selectively transferring devices arrayed on a first substrate to a second substrate on which an adhesive resin layer is previously formed is provided. The method includes steps of selectively heating the adhesive resin layer on the second substrate by laser irradiation from the back surface side of the second substrate, and curing the selectively heated portions of the adhesive resin layer, thereby adhesively bonding those to be transferred of the devices to the second substrate. At this time, portions, corresponding to the devices, of the adhesive layer are heated directly or indirectly via the devices or wiring portions by laser irradiation from the back surface side of the substrate. The heated portions of the adhesive resin layer selectively exhibit the adhesive forces. The heated portions of the adhesive layer are then cured, so that only the devices to be transferred are selectively transferred to the second substrate.
    Type: Grant
    Filed: December 22, 2004
    Date of Patent: March 27, 2007
    Assignee: Sony Corporation
    Inventors: Kunihiko Hayashi, Yoshiyuki Yanagisawa, Toshiaki Iwafuchi, Hisashi Ohba
  • Publication number: 20070048891
    Abstract: A method of selectively transferring devices arrayed on a first substrate to a second substrate on which an adhesive resin layer is previously formed is provided. The method includes steps of selectively heating the adhesive resin layer on the second substrate by laser irradiation from the back surface side of the second substrate, and curing the selectively heated portions of the adhesive resin layer, thereby adhesively bonding those to be transferred of the devices to the second substrate. At this time, portions, corresponding to the devices, of the adhesive layer are heated directly or indirectly via the devices or wiring portions by laser irradiation from the back surface side of the substrate. The heated portions of the adhesive resin layer selectively exhibit the adhesive forces. The heated portions of the adhesive layer are then cured, so that only the devices to be transferred are selectively transferred to the second substrate.
    Type: Application
    Filed: October 23, 2006
    Publication date: March 1, 2007
    Applicant: Sony Corporation
    Inventors: Kunihiko Hayashi, Yoshiyuki Yanagisawa, Toshiaki Iwafuchi, Hisashi Ohba
  • Patent number: 7148127
    Abstract: A method of repairing a defective one of devices mounted on substrate is provided. Devices are arrayed on a substrate and electrically connected to wiring lines connected to a drive circuit, to be thus mounted on the substrate. The devices mounted on the substrate are then subjected to an emission test. If a defective device is detected in this test, a repair device is mounted at a position corresponding to a position of the defective device. At this time, after wiring lines connected to the defective device are cut off, the repair device is electrically connected to portions of the wiring lines, the portions of the wiring lines being located at positions nearer to the drive circuit side than the cut-off positions of the wiring lines.
    Type: Grant
    Filed: June 6, 2002
    Date of Patent: December 12, 2006
    Assignee: Sony Corporation
    Inventors: Toyoharu Oohata, Toshiaki Iwafuchi, Hisashi Ohba
  • Publication number: 20060240578
    Abstract: A method of repairing a defective one of devices mounted on substrate is provided. Devices are arrayed on a substrate and electrically connected to wiring lines connected to a drive circuit, to be thus mounted on the substrate. The devices mounted on the substrate are then subjected to an emission test. If a defective device is detected in this test, a repair device is mounted at a position corresponding to a position of the defective device. At this time, after wiring lines connected to the defective device are cut off, the repair device is electrically connected to portions of the wiring lines, the portions of the wiring lines being located at positions nearer to the drive circuit side than the cut-off positions of the wiring lines.
    Type: Application
    Filed: June 14, 2006
    Publication date: October 26, 2006
    Applicant: SONY CORPORATION
    Inventors: Toyoharu Oohata, Toshiaki Iwafuchi, Hisashi Ohba
  • Patent number: 7115429
    Abstract: Light emitting devices formed in an array on a first substrate are transferred to an insulating material, to form a sheet-shaped device substrate. The sheet-shaped device substrate is cut along an array direction of the light emitting devices into long-sized line-shaped device substrates. The line-shaped device substrates are arrayed on a second substrate such that the line-shaped device substrates are enlargedly spaced from each other. The line-shaped device substrates divided from the second substrate are arrayed on a third substrate such as to be enlargedly spaced from each other.
    Type: Grant
    Filed: March 10, 2005
    Date of Patent: October 3, 2006
    Assignee: Sony Corporation
    Inventors: Hisashi Ohba, Kunihiko Hayashi
  • Publication number: 20060202213
    Abstract: A method of repairing a defective one of devices mounted on substrate is provided. Devices are arrayed on a substrate and electrically connected to wiring lines connected to a drive circuit, to be thus mounted on the substrate. The devices mounted on the substrate are then subjected to an emission test. If a defective device is detected in this test, a repair device is mounted at a position corresponding to a position of the defective device. At this time, after wiring lines connected to the defective device are cut off, the repair device is electrically connected to portions of the wiring lines, the portions of the wiring lines being located at positions nearer to the drive circuit side than the cut-off positions of the wiring lines.
    Type: Application
    Filed: May 25, 2006
    Publication date: September 14, 2006
    Applicant: SONY CORPORATION
    Inventors: Toyoharu Oohata, Toshiaki Iwafuchi, Hisashi Ohba
  • Patent number: 7015055
    Abstract: A first adhesive layer is provided on a base substrate, and multiple devices are arranged on the first adhesive layer. The first adhesive layer is irradiated with laser light from the back side of the base substrate, only at positions corresponding to the devices to be transferred, by use of a mask, whereby the adhesive force of the first adhesive layer is lowered only at these positions, and only these devices are made releasable from the base substrate. A transfer substrate provided with a second adhesive layer and the base substrate are so disposed that the devices and the second adhesive layer are opposite to each other and pressed against each other. When the transfer substrate is stripped from the base substrate, only the devices to be transferred are selectively transferred onto the transfer substrate.
    Type: Grant
    Filed: May 20, 2005
    Date of Patent: March 21, 2006
    Assignee: Sony Corporation
    Inventors: Toyoharu Oohata, Toshiaki Iwafuchi, Hisashi Ohba
  • Patent number: 6972204
    Abstract: A first adhesive layer is provided on a base substrate, and multiple devices are arranged on the first adhesive layer. The first adhesive layer is irradiated with laser light from the back side of the base substrate, only at positions corresponding to the devices to be transferred, by use of a mask, whereby the adhesive force of the first adhesive layer is lowered only at these positions, and only these devices are made releasable from the base substrate. A transfer substrate provided with a second adhesive layer and the base substrate are so disposed that the devices and the second adhesive layer are opposite to each other and pressed against each other. When the transfer substrate is stripped from the base substrate, only the devices to be transferred are selectively transferred onto the transfer substrate.
    Type: Grant
    Filed: September 6, 2002
    Date of Patent: December 6, 2005
    Assignee: Sony Corporation
    Inventors: Toyoharu Oohata, Toshiaki Iwafuchi, Hisashi Ohba
  • Publication number: 20050233546
    Abstract: A first adhesive layer is provided on a base substrate, and multiple devices are arranged on the first adhesive layer. The first adhesive layer is irradiated with laser light from the back side of the base substrate, only at positions corresponding to the devices to be transferred, by use of a mask, whereby the adhesive force of the first adhesive layer is lowered only at these positions, and only these devices are made releasable from the base substrate. A transfer substrate provided with a second adhesive layer and the base substrate are so disposed that the devices and the second adhesive layer are opposite to each other and pressed against each other. When the transfer substrate is stripped from the base substrate, only the devices to be transferred are selectively transferred onto the transfer substrate.
    Type: Application
    Filed: May 20, 2005
    Publication date: October 20, 2005
    Inventors: Toyoharu Oohata, Toshiaki Iwafuchi, Hisashi Ohba
  • Publication number: 20050188536
    Abstract: Light emitting devices formed in an array on a first substrate are transferred to an insulating material, to form a sheet-shaped device substrate. The sheet-shaped device substrate is cut along an array direction of the light emitting devices into long-sized line-shaped device substrates. The line-shaped device substrates are arrayed on a second substrate such that the line-shaped device substrates are enlargedly spaced from each other. The line-shaped device substrates divided from the second substrate are arrayed on a third substrate such as to be enlargedly spaced from each other.
    Type: Application
    Filed: March 25, 2005
    Publication date: September 1, 2005
    Inventors: Hisashi Ohba, Kunihiko Hayashi
  • Publication number: 20050164422
    Abstract: Light emitting devices formed in an array on a first substrate are transferred to an insulating material, to form a sheet-shaped device substrate. The sheet-shaped device substrate is cut along an array direction of the light emitting devices into long-sized line-shaped device substrates. The line-shaped device substrates are arrayed on a second substrate such that the line-shaped device substrates are enlargedly spaced from each other. The line-shaped device substrates divided from the second substrate are arrayed on a third substrate such as to be enlargedly spaced from each other.
    Type: Application
    Filed: March 23, 2005
    Publication date: July 28, 2005
    Inventors: Hisashi Ohba, Kunihiko Hayashi
  • Publication number: 20050158896
    Abstract: A method of selectively transferring devices arrayed on a first substrate to a second substrate on which an adhesive resin layer is previously formed is provided. The method includes steps of selectively heating the adhesive resin layer on the second substrate by laser irradiation from the back surface side of the second substrate, and curing the selectively heated portions of the adhesive resin layer, thereby adhesively bonding those to be transferred of the devices to the second substrate. At this time, portions, corresponding to the devices, of the adhesive layer are heated directly or indirectly via the devices or wiring portions by laser irradiation from the back surface side of the substrate. The heated portions of the adhesive resin layer selectively exhibit the adhesive forces. The heated portions of the adhesive layer are then cured, so that only the devices to be transferred are selectively transferred to the second substrate.
    Type: Application
    Filed: March 14, 2005
    Publication date: July 21, 2005
    Inventors: Kunihiko Hayashi, Yoshiyuki Yanagisawa, Toshiaki Iwafuchi, Hisashi Ohba
  • Publication number: 20050158895
    Abstract: A method of selectively transferring devices arrayed on a first substrate to a second substrate on which an adhesive resin layer is previously formed is provided. The method includes steps of selectively heating the adhesive resin layer on the second substrate by laser irradiation from the back surface side of the second substrate, and curing the selectively heated portions of the adhesive resin layer, thereby adhesively bonding those to be transferred of the devices to the second substrate. At this time, portions, corresponding to the devices, of the adhesive layer are heated directly or indirectly via the devices or wiring portions by laser irradiation from the back surface side of the substrate. The heated portions of the adhesive resin layer selectively exhibit the adhesive forces. The heated portions of the adhesive layer are then cured, so that only the devices to be transferred are selectively transferred to the second substrate.
    Type: Application
    Filed: March 14, 2005
    Publication date: July 21, 2005
    Inventors: Kunihiko Hayashi, Yoshiyuki Yanagisawa, Toshiaki Iwafuchi, Hisashi Ohba