Patents by Inventor Ryosuke GUNJI

Ryosuke GUNJI 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: 11508792
    Abstract: In a display region, etching stopper layers are provided between a plurality of inorganic insulating films, openings are formed in the inorganic insulating films located closer to a light-emitting element than the etching stopper layers so as to expose the upper surfaces of the etching stopper layers, and flattening films are provided in the openings such that the openings are filed with the flattening films.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: November 22, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tohru Okabe, Ryosuke Gunji, Shinji Ichikawa, Kohji Ariga, Shinsuke Saida, Hiroki Taniyama, Hiroharu Jinmura, Yoshihiro Nakada, Koji Tanimura, Yoshihiro Kohara, Akira Inoue
  • Publication number: 20220293714
    Abstract: Contact holes related to routed wires electrically connected to data signal lines running through the corner portions of a display region are larger in number than contact holes related to routed wires electrically connected to data signal lines running through the center portion of the display region.
    Type: Application
    Filed: September 27, 2019
    Publication date: September 15, 2022
    Inventors: Ryosuke GUNJI, Shinsuke SAIDA, Shinji ICHIKAWA, Tohru OKABE, Akira INOUE, Yoshihiro NAKADA, Hiroharu JINMURA
  • Patent number: 11430857
    Abstract: The display device includes a non-display area. The non-display area includes: a slit formed in an edge cover; a first conductive layer formed in the same layer as an anode, and being in contact with a cathode; and a second conductive layer formed in the same layer as a capacitance electrode and provided to overlap the slit.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: August 30, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tohru Okabe, Shinsuke Saida, Shinji Ichikawa, Hiroki Taniyama, Ryosuke Gunji, Takeshi Yaneda, Yoshihiro Nakada, Hiroharu Jinmura, Akira Inoue
  • Patent number: 11398542
    Abstract: In a step of forming a plurality of control lines composed of a first metal layer a first metal layer branch line is formed. In a step of forming a plurality of power source lines composed of a second metal layer a second metal layer connecting portion is formed that connects each power source line with the first metal layer branch line via an opening of a first insulating film. In a step of forming a plurality of data signal lines composed of a third metal layer that is formed on a second insulating film the first metal layer branch line formed in the opening of the first insulating and the second metal layer connecting portion formed in an opening of the second insulating film are etched.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: July 26, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tohru Okabe, Shinsuke Saida, Shinji Ichikawa, Hiroki Taniyama, Ryosuke Gunji, Kohji Ariga, Yoshihiro Nakada, Koji Tanimura, Yoshihiro Kohara, Hiroharu Jinmura, Akira Inoue
  • Publication number: 20220199947
    Abstract: A display device (50a) includes a non-display region (N) shaped in an island and provided inside a display region. The non-display region (N) includes a through hole (H) framed to penetrate the non-display region (N) along a thickness of a resin substrate (10a). In the non-display region (N), a first inorganic insulating film (11, 13, 15, 17) includes an opening (M) provided to surround the through hole (H) and penetrating the first inorganic insulating film (11, 13, 15, 17). A second inorganic insulating film (36) of a sealing film (40) is in contact with the resin substrate (10a) exposed through the opening (M) from the first inorganic insulating film (11, 13, 15, 17).
    Type: Application
    Filed: March 25, 2019
    Publication date: June 23, 2022
    Inventors: TOHRU OKABE, SHINJI ICHIKAWA, HIROKI TANIYAMA, RYOSUKE GUNJI, SHINSUKE SAIDA, HIROHARU JINMURA, AKIRA INOUE, YOSHIHIRO NAKADA
  • Publication number: 20220165823
    Abstract: An organic EL display (1) has a bend (B) where a slit (81) is bored in a base coat film (23), gate insulating film (27), first interlayer insulating film (31) and second interlayer insulating film (35). The bend is provided with a filler layer (83) filling the slit and covering both edges of the slit. The filler layer has a protrusion (85) overlapping each edge in the width direction of the slit. A routed wire (7) routed from the display region (D) and then routed over the filler layer to reach a terminal section (T) extends over the protrusion.
    Type: Application
    Filed: April 4, 2019
    Publication date: May 26, 2022
    Inventors: SHINJI ICHIKAWA, SHINSUKE SAIDA, RYOSUKE GUNJI, HIROKI TANIYAMA, TOHRU OKABE, Akira INOUE, Hiroharu JINMURA, Yoshihiro NAKADA, Koji TANIMURA
  • Publication number: 20220149121
    Abstract: A separation wall is provided in a frame-like shape along a peripheral edge of a through-hole in a non-display region which is defined to be in an island shape inside a display region and in which the through-hole is formed, the separation wall includes an inner metal layer provided in a frame-like shape on a first inorganic insulating film on a side of the through-hole, and a resin layer provided in a frame-like shape on the first inorganic insulating film and the inner metal layer, and the resin layer includes an inner protrusion portion provided in an eaves shape and protruding from the inner metal layer.
    Type: Application
    Filed: March 1, 2019
    Publication date: May 12, 2022
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: TOHRU OKABE, RYOSUKE GUNJI, SHINSUKE SAIDA, SHINJI ICHIKAWA, HIROHARU JINMURA, YOSHIHIRO NAKADA, AKIRA INOUE, TAKESHI YANEDA
  • Publication number: 20220130929
    Abstract: A separation wall is provided in a frame shape along a circumferential edge of a through-hole in a non-display region, in which the through-hole is formed, defined in an island shape inside a display region. The separation wall includes a wall base portion provided in a frame shape by a part of a second interlayer insulating film and a resin layer provided in an eave shape on the wall base portion to extend to a through-hole side and a display region side. Opening portions opening upward are provided on peripheries of the wall base portion on the through-hole side and the display region side in the second interlayer insulating film.
    Type: Application
    Filed: March 29, 2019
    Publication date: April 28, 2022
    Inventors: SHINSUKE SAIDA, SHINJI ICHIKAWA, RYOSUKE GUNJI, TOHRU OKABE, AKIRA INOUE, YOSHIHIRO NAKADA, HIROHARU JINMURA
  • Publication number: 20220115475
    Abstract: A TFT layer and an organic EL element layer are provided in this order on a resin substrate layer, the TFT layer includes source wiring lines, high-level power source wiring lines, conductive portions including connection wiring lines between TFTs, and a flattening film covering the conductive portions provided on the interlayer insulating film, a frame region is provided with a bending portion including a portion where a slit is formed in an inorganic insulating film including the interlayer insulating film, and a flattening auxiliary film is provided between each adjacent ones of the conductive portions, formed of a material identical to a material of the frame flattening film that fills the slit of the bending portion, in a layer identical to a layer of the frame flattering film, and covered with the flattening film together with the conductive portions.
    Type: Application
    Filed: September 28, 2018
    Publication date: April 14, 2022
    Inventors: RYOSUKE GUNJI, TOHRU OKABE, SHINSUKE SAIDA, HIROKI TANIYAMA, SHINJI ICHIKAWA, AKIRA INOUE, YOSHIHIRO NAKADA, HIROHARU JINMURA, KOJI TANIMURA, YOSHIHIRO KOHARA
  • Publication number: 20220020958
    Abstract: A display device includes: a base substrate; a thin-film transistor layer provided on the base substrate, a light-emitting element layer provided on the thin-film transistor layer; and a sealing film provided on the light-emitting element. Each of light-emitting elements includes: a first electrode; a functional layer; and a second electrode stacked on top of another in a stated order. The display device includes: a display region; a frame region; and a non-display region. The non-display region includes a through hole. The display device includes a separation wall shaped into a frame and provided to the non-display region along an edge of the through hole. The separation wall includes: a first resin layer: and a first metal layer provided on the first resin layer. The first metal layer includes a first protrusion shaped into a canopy, and protruding from the first resin layer toward the display region.
    Type: Application
    Filed: February 27, 2019
    Publication date: January 20, 2022
    Inventors: TOHRU OKABE, SHINSUKE SAIDA, RYOSUKE GUNJI, SHINJI ICHIKAWA, HIROHARU JINMURA, AKIRA INOUE, YOSHIHIRO NAKADA
  • Publication number: 20210367027
    Abstract: In a display region, each first power-source line and each second power-source line intersecting with the first power-source line are electrically connected together via a contact hole in a second inorganic insulating film. In addition, each source line and each second power-source line intersect with each other via the second inorganic insulating film and a first organic insulating film.
    Type: Application
    Filed: May 10, 2018
    Publication date: November 25, 2021
    Inventors: Tohru OKABE, Shinsuke SAIDA, Hiroki TANIYAMA, Ryosuke GUNJI, Shinji ICHIKAWA, Kohji ARIGA, Akira INOUE, Yoshihiro KOHARA, Koji TANIMURA, Yoshihiro NAKADA, Hiroharu JINMURA
  • Publication number: 20210313412
    Abstract: A display devise includes: a resin substrate; a TFT layer; and a light-emitting element. A bending portion is provided with a first resin film formed of the same material and in the same layer as those of a first flattening film, and the first resin film fills a slit. An upper face of the first resin film is provided with a plurality of first connection wiring lines formed of a third metal film, and the plurality of first connection wiring lines extend in parallel to each other in a direction intersecting the extending direction of the bending portion. The plurality of first connection wiring lines are electrically connected to a plurality of first lead-out wiring lines, respectively in a display region side of the slit, and electrically connected to a plurality of second lead-out wiring lines, respectively in a terminal portion side of the slit.
    Type: Application
    Filed: August 28, 2018
    Publication date: October 7, 2021
    Inventors: TOHRU OKABE, RYOSUKE GUNJI, SHINJI ICHIKAWA, SHINSUKE SAIDA, SHOJI OKAZAKI, TOKUO YOSHIDA, HIROKI TANIYAMA, KOHJI ARIGA, HIROHARU JINMURA, AKIRA INOUE, YOSHIHIRO NAKADA, YOSHIHIRO KOHARA, KOJI TANIMURA
  • Publication number: 20210288286
    Abstract: A display device includes: a sealing film provided so as to cover light-emitting elements at least partially constituting a display area and including a first inorganic film, an organic film, and a second inorganic film stacked in this order; and a first damming wall in a frame area around the display area, the first damming wall surrounding the display area and overlapping a peripheral portion of the organic film, wherein at least one inorganic insulation film in a TFT layer has an upwardly open, first opening at least in a part of an area between the display area and the first damming wall, and the organic film is provided so as to fill in the first opening.
    Type: Application
    Filed: August 2, 2018
    Publication date: September 16, 2021
    Inventors: TOHRU OKABE, SHOJI OKAZAKI, RYOSUKE GUNJI, SHINSUKE SAIDA, SHINJI ICHIKAWA, TOKUO YOSHIDA, HIROHARU JINMURA, AKIRA INOUE, YOSHIHIRO NAKADA, KOJI TANIMURA, YOSHIHIRO KOHARA
  • Publication number: 20210288129
    Abstract: A display device includes: a plurality of control lines; a plurality of power supply lines; a plurality of data signal lines; an oxide semiconductor layer; a first metal layer; a gate insulation film; a first inorganic insulation film; a second metal layer; a second inorganic insulation film; and a third metal layer. The oxide semiconductor layer, in a plan view, contains therein insular semiconductor lines between a plurality of drivers and a display area. The semiconductor lines cross the plurality of control lines and the plurality of power supply lines, are in contact with the plurality of control lines via an opening in a gate insulation film, are in contact with the plurality of power supply lines via an opening in the first inorganic insulation film, and have a plurality of waisted portions.
    Type: Application
    Filed: July 30, 2018
    Publication date: September 16, 2021
    Inventors: TOHRU OKABE, SHINSUKE SAIDA, SHINJI ICHIKAWA, HIROKI TANIYAMA, RYOSUKE GUNJI, KOHJI ARIGA, YOSHIHIRO NAKADA, KOJI TANIMURA, YOSHIHIRO KOHARA, HIROHARU JINMURA, AKIRA INOUE
  • Patent number: 11114522
    Abstract: A display device includes a plurality of picture elements, wherein a first electrode is formed in each of the plurality of picture elements, a cover layer is formed such that an opening of the first electrode is formed, a spacer in a layer identical to the cover layer is provided between two of the first electrodes, the spacer is formed with a height greater than a height of the cover layer, and an outer edge portion of the spacer is spaced from an outer edge portion of the cover layer.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: September 7, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Shinji Ichikawa, Hiroki Taniyama, Shinsuke Saida, Ryosuke Gunji, Tohru Okabe, Yoshihiro Nakada, Hiroharu Jinmura, Akira Inoue
  • Publication number: 20210225881
    Abstract: An active matrix substrate including a resin substrate including a plurality of external connection terminals arranged near a display region, the active matrix substrate includes: a plurality of first lead wires each extending from one of the external connection terminals to the display region; and a plurality of second lead wires each extending from one of the external connection terminals to a separation line, the second lead wires being arranged with an arrangement pitch along the separation line, and the arrangement pitch of the second lead wires being greater than an arrangement pitch of the first lead wires.
    Type: Application
    Filed: August 23, 2018
    Publication date: July 22, 2021
    Inventors: TOHRU OKABE, RYOSUKE GUNJI, SHINJI ICHIKAWA, SHINSUKE SAIDA, SHOJI OKAZAKI, TOKUO YOSHIDA, HIROKI TANIYAMA, KOHJI ARIGA, HIROHARU JINMURA, AKIRA INOUE, YOSHIHIRO NAKADA, YOSHIHIRO KOHARA, KOJI TANIMURA
  • Publication number: 20210210583
    Abstract: In a TFT layer provided on a base substrate, a first metal film, a first inorganic insulating film, a second metal film, a second inorganic insulating film, a third metal film, a first flattening film, a fourth metal film, and a second flattening film are sequentially layered. In a frame region, a slit is formed in the second flattening film to surround a display region, a first conductive layer formed by the fourth metal film is provided on the first flattening film exposed from the slit, and a TFT of a drive circuit is provided on the base substrate side of the first conductive layer to overlap with the first conductive layer.
    Type: Application
    Filed: May 22, 2018
    Publication date: July 8, 2021
    Inventors: TOHRU OKABE, RYOSUKE GUNJI, KOHJI ARIGA, HIROKI TANIYAMA, SHINJI ICHIKAWA, SHINSUKE SAIDA, HIROHARU JINMURA, AKIRA INOUE, YOSHIHIRO KOHARA, KOJI TANIMURA, YOSHIHIRO NAKADA
  • Patent number: 11018214
    Abstract: A display device includes a resin substrate, a TFT layer, a light-emitting element, a frame region, a terminal portion, a bending portion, a plurality of frame wiring lines, and at least a one-layer inorganic film. The light-emitting element includes a metal electrode provided on a flattening film included in the TFT layer. In the bending portion, an opening is formed in at least the one-layer inorganic film. A frame flattening film is provided to fill the opening. The plurality of frame wiring lines are provided on the frame flattening film across the opening. The frame wiring line is formed of a metal material identical to the metal material of the metal electrode. The frame flattening film is formed of a resin material identical to the resin material of the flattening film.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: May 25, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tohru Okabe, Ryosuke Gunji, Hiroki Taniyama, Shinsuke Saida, Hiroharu Jinmura, Yoshihiro Nakada, Akira Inoue
  • Publication number: 20210098559
    Abstract: Frame wiring lines are provided in a frame region, a flattening film in which a frame-shaped slit is formed in the frame region is provided in the display region and the frame region, a plurality of first electrodes constituting light-emitting elements are provided on the flattening film, and conductive layer made of the same material and formed in the same layer as those of each of the plurality of first electrodes are provided covering at least end faces of the frame wiring lines exposed from the slit.
    Type: Application
    Filed: March 30, 2018
    Publication date: April 1, 2021
    Inventors: HIROKI TANIYAMA, RYOSUKE GUNJI, SHINSUKE SAIDA, SHINJI ICHIKAWA, TOHRU OKABE, KOHJI ARIGA, AKIRA INOUE, YOSHIHIRO KOHARA, KOJI TANIMURA, YOSHIHIRO NAKADA, HIROHARU JINMURA
  • Publication number: 20210083226
    Abstract: The disclosure has an object to achieve a high level of height precision for spacers on a back plane. A display device includes: edge covers having a plurality of openings in which first electrodes are exposed; and a planarization film having first flat portions, second flat portions, and contact holes. The plurality of openings respectively overlap the first flat portions in a plan view. The second flat portions are located between the plurality of openings in a plan view. Each edge cover overlapping one of the first flat portions in a plan view has, on a second electrode side, a surface that has a first height from a bottom surface of the planarization film on a substrate side. Each second flat portion has, on the second electrode side, a surface that has a second height from the bottom surface. The first height is smaller than the second height.
    Type: Application
    Filed: January 18, 2018
    Publication date: March 18, 2021
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: TOHRU OKABE, SHINSUKE SAIDA, HIROKI TANIYAMA, SHINJI ICHIKAWA, RYOSUKE GUNJI, YOSHIHIRO NAKADA, AKIRA INOUE, HIROHARU JINMURA