Patents by Inventor Hirofumi Fujioka
Hirofumi Fujioka 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: 11374082Abstract: An electronic device of the technology includes: a plurality of first wiring patterns that are electrically coupled to each other partially, and each extend in a first direction; an organic insulating layer that is provided on the first wiring patterns; and a second wiring pattern that is provided on the organic insulating layer.Type: GrantFiled: September 10, 2019Date of Patent: June 28, 2022Assignee: Sony Group CorporationInventors: Koichi Nagasawa, Hirofumi Fujioka, Tomoaki Honda
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Publication number: 20200006459Abstract: An electronic device of the technology includes: a plurality of first wiring patterns that are electrically coupled to each other partially, and each extend in a first direction; an organic insulating layer that is provided on the first wiring patterns; and a second wiring pattern that is provided on the organic insulating layer.Type: ApplicationFiled: September 10, 2019Publication date: January 2, 2020Inventors: Koichi Nagasawa, Hirofumi Fujioka, Tomoaki Honda
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Patent number: 10341475Abstract: A display unit includes: a display layer including a pixel electrode; a semiconductor layer provided in a layer below the display layer, the semiconductor layer including a wiring layer that includes a material removable by an etchant by which the pixel electrode is also removable; and a terminal section configured to electrically connect the semiconductor layer to an external circuit, the terminal section including a first electrically-conductive layer made of a material same as a material of the wiring layer.Type: GrantFiled: June 21, 2017Date of Patent: July 2, 2019Assignee: Sony CorporationInventors: Koichi Nagasawa, Hirofumi Fujioka, Tomoki Sato, Tomotaka Nishikawa
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Publication number: 20180191880Abstract: A display unit includes: a display layer including a pixel electrode; a semiconductor layer provided in a layer below the display layer, the semiconductor layer including a wiring layer that includes a material removable by an etchant by which the pixel electrode is also removable; and a terminal section configured to electrically connect the semiconductor layer to an external circuit, the terminal section including a first electrically-conductive layer made of a material same as a material of the wiring layer.Type: ApplicationFiled: March 1, 2018Publication date: July 5, 2018Inventors: Koichi NAGASAWA, Hirofumi FUJIOKA, Tomoki SATO, Tomotaka NISHIKAWA
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Publication number: 20170289325Abstract: A display unit includes: a display layer including a pixel electrode; a semiconductor layer provided in a layer below the display layer, the semiconductor layer including a wiring layer that includes a material removable by an etchant by which the pixel electrode is also removable; and a terminal section configured to electrically connect the semiconductor layer to an external circuit, the terminal section including a first electrically-conductive layer made of a material same as a material of the wiring layer.Type: ApplicationFiled: June 21, 2017Publication date: October 5, 2017Inventors: Koichi NAGASAWA, Hirofumi FUJIOKA, Tomoki SATO, Tomotaka NISHIKAWA
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Patent number: 9712651Abstract: A display unit includes: a display layer including a pixel electrode; a semiconductor layer provided in a layer below the display layer, the semiconductor layer including a wiring layer that includes a material removable by an etchant by which the pixel electrode is also removable; and a terminal section configured to electrically connect the semiconductor layer to an external circuit, the terminal section including a first electrically-conductive layer made of a material same as a material of the wiring layer.Type: GrantFiled: December 21, 2016Date of Patent: July 18, 2017Assignee: Sony CorporationInventors: Koichi Nagasawa, Hirofumi Fujioka, Tomoki Sato, Tomotaka Nishikawa
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Publication number: 20170104857Abstract: A display unit includes: a display layer including a pixel electrode; a semiconductor layer provided in a layer below the display layer, the semiconductor layer including a wiring layer that includes a material removable by an etchant by which the pixel electrode is also removable; and a terminal section configured to electrically connect the semiconductor layer to an external circuit, the terminal section including a first electrically-conductive layer made of a material same as a material of the wiring layer.Type: ApplicationFiled: December 21, 2016Publication date: April 13, 2017Inventors: Koichi NAGASAWA, Hirofumi FUJIOKA, Tomoki SATO, Tomotaka NISHIKAWA
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Patent number: 9548346Abstract: A display unit includes: a display layer including a pixel electrode; a semiconductor layer provided in a layer below the display layer, the semiconductor layer including a wiring layer that includes a material removable by an etchant by which the pixel electrode is also removable; and a terminal section configured to electrically connect the semiconductor layer to an external circuit, the terminal section including a first electrically-conductive layer made of a material same as a material of the wiring layer.Type: GrantFiled: October 15, 2015Date of Patent: January 17, 2017Assignee: Sony CorporationInventors: Koichi Nagasawa, Hirofumi Fujioka, Tomoki Sato, Tomotaka Nishikawa
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Publication number: 20160035815Abstract: A display unit includes: a display layer including a pixel electrode; a semiconductor layer provided in a layer below the display layer, the semiconductor layer including a wiring layer that includes a material removable by an etchant by which the pixel electrode is also removable; and a terminal section configured to electrically connect the semiconductor layer to an external circuit, the terminal section including a first electrically-conductive layer made of a material same as a material of the wiring layer.Type: ApplicationFiled: October 15, 2015Publication date: February 4, 2016Inventors: Koichi NAGASAWA, Hirofumi FUJIOKA, Tomoki SATO, Tomotaka NISHIKAWA
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Patent number: 9219081Abstract: A display unit includes: a display layer including a pixel electrode; a semiconductor layer provided in a layer below the display layer, the semiconductor layer including a wiring layer that includes a material removable by an etchant by which the pixel electrode is also removable; and a terminal section configured to electrically connect the semiconductor layer to an external circuit, the terminal section including a first electrically-conductive layer made of a material same as a material of the wiring layer.Type: GrantFiled: January 15, 2014Date of Patent: December 22, 2015Assignee: Sony CorporationInventors: Koichi Nagasawa, Hirofumi Fujioka, Tomoki Sato, Tomotaka Nishikawa
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Publication number: 20140312329Abstract: Provided is a display unit that includes: first electrodes; a metal member provided around the first electrodes; an insulating layer having a first opening on corresponding one of the first electrodes and a second opening on the metal member; an organic light emission layer provided on a surface including a bottom surface of the first opening, except for whole or part of a bottom surface of the second opening; a partition wall arranged in contact with at least the insulating layer, in which the partition wall is formed in a process different from a process of forming the insulating layer; and a second electrode provided in contact with a contact region and a portion above the bottom surface of the first opening in the organic light emission layer, in which the contact region is part of the bottom surface of the second opening.Type: ApplicationFiled: April 14, 2014Publication date: October 23, 2014Applicant: Sony CorporationInventors: Takuma Fujii, Hirofumi Fujioka, Tatsuya Maegawa, Tomotaka Nishikawa
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Publication number: 20140291687Abstract: Provided is a display unit that includes: a laminated structure including two first wirings, a first insulating layer, and a concave part, in which the first wirings are adjacent to each other, the first insulating layer is provided on the first wirings and is made of an organic material, and the concave part penetrates, between the first wirings, from the first insulating layer to the first wirings in a laminated direction; and a second insulating layer provided in the concave part and on the laminated structure.Type: ApplicationFiled: March 18, 2014Publication date: October 2, 2014Applicant: Sony CorporationInventors: Koichi NAGASAWA, Tomoaki HONDA, Hirofumi FUJIOKA
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Publication number: 20140209914Abstract: A display unit includes: a display layer including a pixel electrode; a semiconductor layer provided in a layer below the display layer, the semiconductor layer including a wiring layer that includes a material removable by an etchant by which the pixel electrode is also removable; and a terminal section configured to electrically connect the semiconductor layer to an external circuit, the terminal section including a first electrically-conductive layer made of a material same as a material of the wiring layer.Type: ApplicationFiled: January 15, 2014Publication date: July 31, 2014Applicant: Sony CorporationInventors: Koichi NAGASAWA, Hirofumi FUJIOKA, Tomoki SATO, Tomotaka NISHIKAWA
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Patent number: 8786185Abstract: An organic electroluminescence display device is provided. The organic electroluminescence display device includes plural organic electroluminescence elements. Each organic electroluminescence element includes: a lower electrode; an insulating layer having an opening, in which a lower electrode is exposed at the bottom of the opening; an auxiliary wiring; a stacked structure provided from a portion over the lower electrode exposed at the bottom of the opening to a portion of the insulating layer surrounding the opening, including a light emitting layer made of an organic light-emitting material; and an upper electrode. At least one layer of the stacked structure partially contacts the auxiliary wiring. The insulating layer and the auxiliary wiring are provided in common to the plurality of organic EL elements. The upper electrode covers the whole surface of the stacked structures and the auxiliary wiring.Type: GrantFiled: January 14, 2014Date of Patent: July 22, 2014Assignee: Sony CorporationInventors: Mitsuhiro Kashiwabara, Jiro Yamada, Hiroshi Fujimaki, Hirofumi Fujioka, Reo Asaki
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Patent number: 8747177Abstract: A light-emitting display capable of maintaining low power consumption and improving display quality irrespective of the configuration of an auxiliary wiring. A second electrode and an auxiliary wiring are electrically connected to each other through a conductive contact section. Moreover, only a part of the auxiliary wiring is connected to the contact section. Even if the surface of the auxiliary wiring is oxidized, an increase in connection resistance is prevented. Moreover, a restriction on layout is not imposed at the time of forming the contact section.Type: GrantFiled: February 12, 2013Date of Patent: June 10, 2014Assignee: Sony CorporationInventors: Hirofumi Fujioka, Nobuo Ozawa
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Publication number: 20140124772Abstract: An organic electroluminescence display device is provided. The organic electroluminescence display device includes plural organic electroluminescence elements. Each organic electroluminescence element includes: a lower electrode; an insulating layer having an opening, in which a lower electrode is exposed at the bottom of the opening; an auxiliary wiring; a stacked structure provided from a portion over the lower electrode exposed at the bottom of the opening to a portion of the insulating layer surrounding the opening, including a light emitting layer made of an organic light-emitting material; and an upper electrode. At least one layer of the stacked structure partially contacts the auxiliary wiring. The insulating layer and the auxiliary wiring are provided in common to the plurality of organic EL elements. The upper electrode covers the whole surface of the stacked structures and the auxiliary wiring.Type: ApplicationFiled: January 14, 2014Publication date: May 8, 2014Applicant: Sony CorporationInventors: Mitsuhiro Kashiwabara, Jiro Yamada, Hiroshi Fujimaki, Hirofumi Fujioka, Reo Asaki
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Patent number: 8692455Abstract: A display device having a plurality of driving elements and wiring parts electrically connected to the driving parts, the display device includes: a plurality of first electrodes which are formed in correspondence to each driving element on the driving elements and the wiring parts; a plurality of light-emitting parts which are each formed on the first electrodes; a common second electrode which is formed from a material that transmits light from the light-emitting part and is formed on the light-emitting parts; auxiliary wiring parts with a lower resistance than the second electrodes; and contact parts which are formed in laminate structure from a plurality of conductive layers and which electrically connect the second electrodes and the auxiliary wirings with each other, with at least the lowermost conductive layer of the conductive layers of the contact parts being in direct contact with the second electrode.Type: GrantFiled: December 8, 2008Date of Patent: April 8, 2014Assignee: Sony CorporationInventors: Naoki Hayashi, Yasunobu Hiromasu, Hirofumi Fujioka
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Patent number: 8680761Abstract: An organic electroluminescence display device is provided. The organic electroluminescence display device includes plural organic electroluminescence elements. Each organic electroluminescence element includes: a lower electrode; an insulating layer having an opening, in which a lower electrode is exposed at the bottom of the opening; an auxiliary wiring; a stacked structure provided from a portion over the lower electrode exposed at the bottom of the opening to a portion of the insulating layer surrounding the opening, including a light emitting layer made of an organic light-emitting material; and an upper electrode. At least one layer of the stacked structure partially contacts the auxiliary wiring. The insulating layer and the auxiliary wiring are provided in common to the plurality of organic EL elements. The upper electrode covers the whole surface of the stacked structures and the auxiliary wiring.Type: GrantFiled: March 1, 2013Date of Patent: March 25, 2014Assignee: Sony CorporationInventors: Mitsuhiro Kashiwabara, Jiro Yamada, Hiroshi Fujimaki, Hirofumi Fujioka, Reo Asaki
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Patent number: 8653532Abstract: Disclosed herein is a display device, including: a substrate; a circuit part configured to include a drive element; a planarization insulating layer; an electrically-conductive layer including a plurality of first electrodes and an auxiliary interconnect; an aperture-defining insulating layer configured to insulate the plurality of first electrodes from each other and have an aperture through which part of the first electrode is exposed; a plurality of light emitting elements; and a separator configured to be formed by removing the planarization insulating layer at a position between a display area, in which the plurality of light emitting elements connected to the drive element are disposed, and a peripheral area which is surrounding the display area. A method of manufacturing a display device is also provided.Type: GrantFiled: February 6, 2013Date of Patent: February 18, 2014Assignee: Sony CorporationInventors: Akiko Tsuji, Toshiki Matsumoto, Hirofumi Fujioka, Mitsuru Asano, Hiroshi Sagawa, Kiwamu Miura
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Patent number: 8598777Abstract: A light-emitting display capable of maintaining low power consumption and improving display quality irrespective of the configuration of an auxiliary wiring. A second electrode and an auxiliary wiring are electrically connected to each other through a conductive contact section. Moreover, only a part of the auxiliary wiring is connected to the contact section. Even if the surface of the auxiliary wiring is oxidized, an increase in connection resistance is prevented. Moreover, a restriction on layout is not imposed at the time of forming the contact section.Type: GrantFiled: December 16, 2011Date of Patent: December 3, 2013Assignee: Sony CorporationInventors: Hirofumi Fujioka, Nobuo Ozawa