Patents by Inventor Jun Fujiyoshi

Jun Fujiyoshi 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: 11832472
    Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.
    Type: Grant
    Filed: April 11, 2022
    Date of Patent: November 28, 2023
    Assignee: Japan Display Inc.
    Inventors: Jun Fujiyoshi, Kazuto Tsuruoka
  • Publication number: 20220293871
    Abstract: A display apparatus includes a flexible first substrate, a first lower barrier layer, a thin film transistor layer, a first planarization layer, a first barrier layer, a first electrode, a second electrode, and a light emitting layer. In the display apparatus, a first through portion penetrating the first planarization layer is formed on the first planarization layer, a second through portion penetrating the first barrier layer and at least partially connected to the first through portion is formed on the first barrier layer, part of the first electrode fills the first through portion and the second through portion, and an area of the second through portion is equal to or greater than 30% of an area of the first electrode in plan view of the main surface of the first substrate.
    Type: Application
    Filed: March 3, 2022
    Publication date: September 15, 2022
    Inventor: Jun FUJIYOSHI
  • Publication number: 20220238842
    Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.
    Type: Application
    Filed: April 11, 2022
    Publication date: July 28, 2022
    Inventors: Jun FUJIYOSHI, Kazuto TSURUOKA
  • Patent number: 11322722
    Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: May 3, 2022
    Assignee: Japan Display Inc.
    Inventors: Jun Fujiyoshi, Kazuto Tsuruoka
  • Publication number: 20210074919
    Abstract: A vapor deposition mask includes a mask body having a first surface and a second surface opposite to the first surface, and a holding frame connected to the first surface. The mask body is arranged with a mask pattern region having at least one opening, and a peripheral region surrounding the mask pattern region and having at least one hole or concave part on the second surface side.
    Type: Application
    Filed: September 8, 2020
    Publication date: March 11, 2021
    Inventor: Jun FUJIYOSHI
  • Publication number: 20200403185
    Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.
    Type: Application
    Filed: September 9, 2020
    Publication date: December 24, 2020
    Inventors: Jun FUJIYOSHI, Kazuto TSURUOKA
  • Patent number: 10797265
    Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: October 6, 2020
    Assignee: Japan Display Inc.
    Inventors: Jun Fujiyoshi, Kazuto Tsuruoka
  • Publication number: 20190288236
    Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.
    Type: Application
    Filed: June 4, 2019
    Publication date: September 19, 2019
    Inventors: Jun FUJIYOSHI, Kazuto TSURUOKA
  • Patent number: 10355240
    Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: July 16, 2019
    Assignee: Japan Display Inc.
    Inventors: Jun Fujiyoshi, Kazuto Tsuruoka
  • Patent number: 9933668
    Abstract: Display device, including: substrates, color filters having first and second color filters, drain and gate signal lines (of light blocking material), wherein, an overlapping portion adjacent the first and second color filter overlap, is formed on a region with one of the drain or gate signal lines, a first color filter edge is a first taper and a second color filter edge is a second taper, in the overlapping portion, the first taper is closer to the drain or gate signal line than the second taper in the overlapping portion, the first taper angle is 45° or more and 90° or less corresponding to a surface of the drain or gate signal line, the second taper angle is 45° or more and 90° or less corresponding to a surface of the first taper and, the first taper angle is larger than the second taper angle.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: April 3, 2018
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Co. Lt.
    Inventors: Yasuhiro Mizuno, Junji Tanno, Shinsuke Hayahara, Masato Sakurai, Yasukazu Kimura, Jun Fujiyoshi
  • Publication number: 20180026231
    Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.
    Type: Application
    Filed: September 29, 2017
    Publication date: January 25, 2018
    Inventors: Jun Fujiyoshi, Kazuto Tsuruoka
  • Patent number: 9831450
    Abstract: A display device includes a first organic layer, a first inorganic layer, a second organic layer, a second inorganic layer, and a thin film transistor. The first organic layer has a roughened top surface. The first inorganic layer has a roughened top surface and is disposed to have a roughened bottom surface that is in contact with the roughened top surface of the first organic layer. The second organic layer has a roughened bottom surface that is in contact with the roughened top surface of the first inorganic layer. The second inorganic layer is disposed to be in contact with the top surface of the second organic layer. The thin film transistor is disposed on the top surface of the second inorganic layer.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: November 28, 2017
    Assignee: Japan Display Inc.
    Inventors: Takuma Nishinohara, Yasukazu Kimura, Jun Fujiyoshi
  • Patent number: 9806286
    Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.
    Type: Grant
    Filed: June 17, 2015
    Date of Patent: October 31, 2017
    Assignee: Japan Display Inc.
    Inventors: Jun Fujiyoshi, Kazuto Tsuruoka
  • Publication number: 20170221974
    Abstract: A display device is comprising an insulating layer provided above a substrate, a pixel electrode provided on the insulating layer, a bank layer covering a periphery edge part of the pixel electrode, a light emitting layer provided across to a surface layer part of the bank layer from the pixel electrode, and a common electrode provided on the light emitting layer, wherein the pixel electrode including a slanting region having a periphery edge part becoming higher compared to a center region, and an edge part of the bank layer overlaps the slanting region of the pixel electrode.
    Type: Application
    Filed: April 20, 2017
    Publication date: August 3, 2017
    Inventors: Yasukazu KIMURA, Norio Oku, Toshihiko Itoga, Takeshi Kuriyagawa, Jun Fujiyoshi, Takuma Nishinohara
  • Patent number: 9685631
    Abstract: A display device is provided including a first substrate comprising a resin material provided with a plurality region provided with a plurality of pixels including a display device, and a second substrate provided facing the first substrate and installed with the pixel region, wherein an outer periphery side surface of the first substrate having a taper shape and including a barrier layer covering an upper layer, lower layer and the outer periphery side surface of the first substrate.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: June 20, 2017
    Assignee: Japan Display Inc.
    Inventors: Takuma Nishinohara, Toshihiko Itoga, Norio Oku, Yasukazu Kimura, Jun Fujiyoshi
  • Patent number: 9614011
    Abstract: There is provided an EL display device of a color filter system which obtains sufficient brightness and contrast while making it difficult to generate a color mixture even if pixels become fine. An EL display device 100 according to the present invention includes a first substrate 1, a circuit layer 2 formed on the first substrate 1, a color selection reflection layer 11 formed in an upper layer of the circuit layer 2, lower electrodes 5 formed in an upper layer of the color selection reflection layer 11, a white light emission EL layer 7 formed in an upper layer of the lower electrodes 5, an upper electrode 8 formed in an upper layer of the EL layer 7, and a sealing layer 9 formed in an upper layer of the upper electrode 8.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: April 4, 2017
    Assignee: Japan Display Inc.
    Inventors: Toshihiro Sato, Hironori Toyoda, Jun Fujiyoshi
  • Publication number: 20170069874
    Abstract: A display device is provided including a first substrate comprising a resin material provided with a plurality region provided with a plurality of pixels including a display device, and a second substrate provided facing the first substrate and installed with the pixel region, wherein an outer periphery side surface of the first substrate having a taper shape and including a barrier layer covering an upper layer, lower layer and the outer periphery side surface of the first substrate.
    Type: Application
    Filed: November 18, 2016
    Publication date: March 9, 2017
    Inventors: Takuma NISHINOHARA, Toshihiko ITOGA, Norio OKU, Yasukazu KIMURA, Jun FUJIYOSHI
  • Patent number: 9537013
    Abstract: A display device is provided including a first substrate comprising a resin material provided with a plurality region provided with a plurality of pixels including a display device, and a second substrate provided facing the first substrate and installed with the pixel region, wherein an outer periphery side surface of the first substrate having a taper shape and including a barrier layer covering an upper layer, lower layer and the outer periphery side surface of the first substrate.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: January 3, 2017
    Assignee: Japan Display Inc.
    Inventors: Takuma Nishinohara, Toshihiko Itoga, Norio Oku, Yasukazu Kimura, Jun Fujiyoshi
  • Publication number: 20160365523
    Abstract: A display device includes a first organic layer, a first inorganic layer, a second organic layer, a second inorganic layer, and a thin film transistor. The first organic layer has a roughened top surface. The first inorganic layer has a roughened top surface and is disposed to have a roughened bottom surface that is in contact with the roughened top surface of the first organic layer. The second organic layer has a roughened bottom surface that is in contact with the roughened top surface of the first inorganic layer. The second inorganic layer is disposed to be in contact with the top surface of the second organic layer. The thin film transistor is disposed on the top surface of the second inorganic layer.
    Type: Application
    Filed: June 7, 2016
    Publication date: December 15, 2016
    Inventors: Takuma NISHINOHARA, Yasukazu KIMURA, Jun FUJIYOSHI
  • Publication number: 20160238901
    Abstract: Display device, including: substrates, color filters having first and second color filters, drain and gate signal lines (of light blocking material), wherein, an overlapping portion adjacent the first and second color filter overlap, is formed on a region with one of the drain or gate signal lines, a first color filter edge is a first taper and a second color filter edge is a second taper, in the overlapping portion, the first taper is closer to the drain or gate signal line than the second taper in the overlapping portion, the first taper angle is 45° or more and 90° or less corresponding to a surface of the drain or gate signal line, the second taper angle is 45° or more and 90° or less corresponding to a surface of the first taper and, the first taper angle is larger than the second taper angle.
    Type: Application
    Filed: December 30, 2015
    Publication date: August 18, 2016
    Inventors: Yasuhiro MIZUNO, Junji TANNO, Shinsuke HAYAHARA, Masato SAKURAI, Yasukazu KIMURA, Jun FUJIYOSHI