Patents by Inventor Yoshihiro Nakada

Yoshihiro Nakada 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).

  • Publication number: 20210119537
    Abstract: A power conversion device including: a power conversion unit which is connected to two DC power supplies and performs power conversion; and a control unit which calculates a manipulated variable for controlling output voltage of the power conversion unit, wherein the manipulated variable for control is calculated on the basis of a voltage detection value on the primary side or the secondary side of the power conversion unit and a predetermined fixed value.
    Type: Application
    Filed: December 29, 2016
    Publication date: April 22, 2021
    Applicant: Mitsubishi Electric Corporation
    Inventors: Akinu NAKABAYASHI, Mai NAKADA, Yoshihiro TAKESHIMA
  • 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
  • Publication number: 20210066440
    Abstract: A slit has ends each close to one of a display area and a terminal. The ends are each formed of a stepwise side face, including etch stop films.
    Type: Application
    Filed: January 31, 2018
    Publication date: March 4, 2021
    Inventors: TOHRU OKABE, RYOSUKE GUNJI, HIROKI TANIYAMA, SHINJI ICHIKAWA, TAKESHI YANEDA, HIROHARU JINMURA, YOSHIHIRO NAKADA, AKIRA INOUE
  • Publication number: 20210053828
    Abstract: An object of the present invention is to provide a hydrogen sulfide production method enabling efficient recovery of sulfur. The production method is a method for producing hydrogen sulfide from sulfur and hydrogen comprising (1) a reaction step of reacting sulfur and hydrogen to obtain a crude hydrogen sulfide gas, (2) a purification step of purifying the crude hydrogen sulfide gas by bringing the crude hydrogen sulfide gas into contact with aliphatic lower alcohol in a packed tower to precipitate sulfur contained in the crude hydrogen sulfide gas, (3) a discharge step of discharging from inside the packed tower a suspension of sulfur in aliphatic lower alcohol obtained in the purification step, and (4) a filtration step of filtering the aliphatic lower alcohol suspension of sulfur with a filter to obtain a sulfur cake, and the filter 20 is a rotary filter 22 or a leaf filter.
    Type: Application
    Filed: December 21, 2018
    Publication date: February 25, 2021
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Yoshihiro NAKADA
  • Publication number: 20210057512
    Abstract: In a display device, a second wiring line extends in a display region and includes an imaginary straight line that extends from the second wiring line in an extension direction of the second wiring line and intersects with an opening of an edge cover. The second wiring line extends along the peripheral edge of the opening without intersecting with the opening of the edge cover.
    Type: Application
    Filed: March 30, 2018
    Publication date: February 25, 2021
    Inventors: RYOSUKE GUNJI, TOHRU OKABE, SHINSUKE SAIDA, SHINJI ICHIKAWA, KOHJI ARIGA, HIROKI TANIYAMA, YOSHIHIRO NAKADA, KOJI TANIMURA, YOSHIHIRO KOHARA, HIROHARU JINMURA, AKIRA INOUE
  • Publication number: 20210050395
    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: Application
    Filed: March 28, 2018
    Publication date: February 18, 2021
    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: 20210036093
    Abstract: A first conductive layer in the same layer as that of a first electrode is coupled to a third conductive layer and a second electrode in the same layer as that of a third metal layer through a slit formed in a flattening film of a non-display area. Second conductive layers in the same layer as that of a second metal layer are provided to overlap with the slit.
    Type: Application
    Filed: March 30, 2018
    Publication date: February 4, 2021
    Inventors: TOHRU OKABE, SHINSUKE SAIDA, SHINJI ICHIKAWA, HIROKI TANIYAMA, RYOSUKE GUNJI, KOHJI ARIGA, YOSHIHIRO NAKADA, KOJI TANIMURA, YOSHIHIRO KOHARA, AKIRA INOUE, HIROHARU JINMURA, TAKESHI YANEDA
  • Publication number: 20210020733
    Abstract: In the display device according to the disclosure, a first bank includes a first bank lower portion in the same layer as a flattening film and a first bank upper portion in the same layer as an edge cover. A second bank includes a second bank lower portion in the same layer as the flattening film and a second bank upper portion in the same layer as the edge cover. The first bank upper portion covers an upper surface and a side surface of the first bank lower portion, the side surface being on a side close to a display region. An inclination angle of a side surface of the first bank upper portion on a side close to the display region is larger than an inclination angle of the side surface of the first bank lower portion on the side close to the display region.
    Type: Application
    Filed: March 30, 2018
    Publication date: January 21, 2021
    Inventors: SHINSUKE SAIDA, TOHRU OKABE, SHINJI ICHIKAWA, RYOSUKE GUNJI, HIROKI TANIYAMA, HIROHARU JINMURA, AKIRA INOUE, YOSHIHIRO NAKADA
  • Publication number: 20210020689
    Abstract: In a display device, an inorganic insulating layer, a metal layer, a flattering film, a first electrode, an edge cover, a function layer, and a second electrode are formed, in that order, on a base substrate. The edge cover covers an edge of the first electrode and includes a first opening exposing the first electrode. The function layer is formed covering the first opening and an edge of the edge cover. The flattening film includes a first planar portion and a second planar portion having a film thickness smaller than that of the first planar portion, is configured to electrically connect the first electrode and the metal layer via a contact hole formed in the first planar portion, and overlaps the first opening of the edge cover at at least a portion of the second planar portion.
    Type: Application
    Filed: March 22, 2018
    Publication date: January 21, 2021
    Inventors: TOHRU OKABE, RYOSUKE GUNJI, SHINSUKE SAIDA, SHINJI ICHIKAWA, KOHJI ARIGA, HIROKI TANIYAMA, YOSHIHIRO NAKADA, KOJI TANIMURA, YOSHIHIRO KOHARA, HIROHARU JINMURA, AKIRA INOUE
  • Publication number: 20210013299
    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: Application
    Filed: March 26, 2018
    Publication date: January 14, 2021
    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: 20210013297
    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: Application
    Filed: March 30, 2018
    Publication date: January 14, 2021
    Inventors: TOHRU OKABE, SHINSUKE SAIDA, SHINJI ICHIKAWA, HIROKI TANIYAMA, RYOSUKE GUNJI, TAKESHI YANEDA, YOSHIHIRO NAKADA, HIROHARU JINMURA, AKIRA INOUE
  • Publication number: 20200388668
    Abstract: A wiring line is provided on a TFT layer, in which the wiring line is formed in the same layer and formed of the same material as those of a reflection electrode. The reflection electrode includes a plurality of metallic conductive layers made up of a low resistance metallic material, an oxide-based lower transparent conductive layer provided on a lower surface side of a lowermost metallic conductive layer constituting a lowermost layer, an oxide-based upper transparent conductive layer having light reflectivity and provided on an upper surface side of an uppermost metallic conductive layer constituting an uppermost layer, and an oxide-based intermediate transparent conductive layer provided between the plurality of metallic conductive layers.
    Type: Application
    Filed: September 28, 2017
    Publication date: December 10, 2020
    Inventors: Tohru OKABE, Ryosuke GUNJI, Hiroki TANIYAMA, Shinsuke SAIDA, Hiroharu JINMURA, Yoshihiro NAKADA, Akira INOUE
  • Publication number: 20200373367
    Abstract: A display device includes: a semiconductor film; an inorganic insulating film overlying the semiconductor film; and light-emitting elements overlying the inorganic insulating film, each of the light-emitting elements including a first electrode and a second electrode, wherein the inorganic insulating film has a contact hole there through, and a portion of the first electrode overlaps the contact hole so that the portion of the first electrode is in contact with the semiconductor film in the contact hole.
    Type: Application
    Filed: January 11, 2018
    Publication date: November 26, 2020
    Inventors: TOHRU OKABE, RYOSUKE GUNJI, HIROKI TANIYAMA, SHINSUKE SAIDA, SHINJI ICHIKAWA, YOSHIHIRO NAKADA, HIROHARU JINMURA, AKIRA INOUE
  • Publication number: 20200358030
    Abstract: A frame-like bank 35 has two inclined side surfaces, at least one of which forms a taper angle ?2 of not more than 20°. A first sealing film 28, which is an inorganic film, is formed in a display area DA and a non-display area NDA in a manner so as to cover the frame-like bank 35.
    Type: Application
    Filed: August 24, 2017
    Publication date: November 12, 2020
    Inventors: Tohru OKABE, Ryosuke GUNJI, Hiroki TANIYAMA, Shinsuke SAIDA, Shinji ICHIKAWA, Akira INOUE, Hiroharu JINMURA, Yoshihiro NAKADA
  • Publication number: 20200312938
    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: Application
    Filed: September 28, 2017
    Publication date: October 1, 2020
    Inventors: TOHRU OKABE, RYOSUKE GUNJI, HIROKI TANIYAMA, SHINSUKE SAIDA, HIROHARU JINMURA, YOSHIHIRO NAKADA, AKIRA INOUE
  • Patent number: 10784466
    Abstract: A portion of a resin film is precisely cut out when the resin film is peeled off. A rear surface of a glass substrate on which a protrusion is formed is irradiated with a laser beam to peel a resin film from the glass substrate. Then, the protrusion and the resin film formed on the protrusion are left on the glass substrate.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: September 22, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tohru Okabe, Ryosuke Gunji, Hiroki Taniyama, Shinsuke Saida, Shinji Ichikawa, Akira Inoue, Hiroharu Jinmura, Yoshihiro Nakada
  • Publication number: 20200273380
    Abstract: In a cross section of a bending section of a frame region, a first opening opening upward is formed in at least one layer of inorganic film included in a TFT layer. A first organic film is provided to plug the first opening. A frame wiring line is provided on the first organic film. A second organic film is provided to cover the frame wiring line. A second opening opening upward is formed in the first organic film on an inner side with respect to the first opening.
    Type: Application
    Filed: September 29, 2017
    Publication date: August 27, 2020
    Inventors: SHINJI ICHIKAWA, TOHRU OKABE, SHINSUKE SAIDA, RYOSUKE GUNJI, HIROKI TANIYAMA, YOSHIHIRO NAKADA, HIROHARU JINMURA, AKIRA INOUE
  • Publication number: 20200274097
    Abstract: A display device includes a plurality of picture elements. The plurality of picture elements are formed with anodes and cover layers cover an outer periphery of a corresponding anode of the anodes, the cover layer allowing an opening of the corresponding anode to be formed. The cover layer is spaced apart from the cover layer of a different anode of the anodes, the different anode being adjacent to the anode.
    Type: Application
    Filed: September 29, 2017
    Publication date: August 27, 2020
    Inventors: SHINJI ICHIKAWA, HIROKI TANIYAMA, SHINSUKE SAIDA, RYOSUKE GUNJI, TOHRU OKABE, YOSHIHIRO NAKADA, HIROHARU JINMURA, AKIRA INOUE
  • Patent number: 10741635
    Abstract: To reduce a possibility of short circuiting between a wiring line that connects to a terminal unit and a pixel electrode, a display device is provided that includes a first lead wiring line that extends from a display area to a frame area while intersecting with an end portion of a flattening film, a second lead wiring line that is in a layer more on an upper side than the first lead wiring line and extends to a terminal unit while coming into contact with and intersecting with a first bank formed in a periphery of a second electrode, and a first wiring line contact part through which the first lead wiring line and the second lead wiring line connect to each other, the first wiring line contact part being provided between an end portion of the flattening film and the first bank.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: August 11, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tohru Okabe, Shinsuke Saida, Ryosuke Gunji, Hiroki Taniyama, Shinji Ichikawa, Yoshihiro Nakada, Hiroharu Jinmura, Akira Inoue