Patents by Inventor Kazuki Matsunaga

Kazuki Matsunaga 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: 10087516
    Abstract: An evaporation apparatus includes: a substrate holding section configured to hold a substrate; an evaporation mask having an opening part at a position which is opposite to one surface of the substrate; an evaporation source configured to supply the one surface with evaporated particles via the opening part and to form a film of the evaporated particles on the one surface exposed from the opening part; and a film thickness correction means configured to block a portion of an ejection path of the evaporated particles from the evaporation source toward the opening part and configured to correct a thickness of the film by changing a position at which the ejection path is blocked over time.
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: October 2, 2018
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kazuki Matsunaga, Katsuhiro Kikuchi, Shinichi Kawato, Takashi Ochi, Yuhki Kobayashi
  • Patent number: 10090489
    Abstract: An organic EL device according to one aspect of the present invention includes: a base material in which a recess is provided at an upper surface of the base material; a reflective layer that is provided at least along a surface of the recess; a filling layer that is filled into an inside of the recess via the reflective layer, the filling layer having light transmissivity; a first electrode that is provided at least on a layer above the filling layer, the first electrode having light transmissivity; an organic layer that is provided on a layer above the first electrode, the organic layer comprising at least a light-emitting layer; and a second electrode that is provided on a layer above the organic layer, the second electrode having light transmissivity and light reflectivity. A part of the reflective layer contacts a part of the first electrode.
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: October 2, 2018
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hideki Uchida, Katsuhiro Kikuchi, Yoshiyuki Isomura, Eiji Koike, Satoshi Inoue, Yuto Tsukamoto, Masanori Ohara, Kazuki Matsunaga
  • Publication number: 20180226615
    Abstract: An organic EL device according to one aspect of the present invention includes: a base material in which a recess is provided at an upper surface of the base material; a reflective layer that is provided at least along a surface of the recess; a filling layer that is filled into an inside of the recess via the reflective layer, the filling layer having light transmissivity; a first electrode that is provided at least on a layer above the filling layer, the first electrode having light transmissivity; an organic layer that is provided on a layer above the first electrode, the organic layer comprising at least a light-emitting layer; and a second electrode that is provided on a layer above the organic layer, the second electrode having light transmissivity and light reflectivity. A part of the reflective layer contacts a part of the first electrode.
    Type: Application
    Filed: August 20, 2015
    Publication date: August 9, 2018
    Inventors: Hideki UCHIDA, Katsuhiro KIKUCHI, Yoshiyuki ISOMURA, Eiji KOIKE, Satoshi INOUE, Yuto TSUKAMOTO, Masanori OHARA, Kazuki MATSUNAGA
  • Publication number: 20180209039
    Abstract: Limit nozzles configured to restrict directivity of first, second and third vapor deposition particles discharged from first, second and third vapor deposition source openings toward a substrate in an in-plane direction are installed in the first, second and third vapor deposition source openings.
    Type: Application
    Filed: July 13, 2016
    Publication date: July 26, 2018
    Inventors: Takashi OCHI, Shinichi KAWATO, Kazuki MATSUNAGA, Yuhki KOBAYASHI, Katsuhiro KIKUCHI, Masahiro ICHIHARA
  • Patent number: 9978812
    Abstract: The organic EL display panel includes: a substrate; and an organic electroluminescent element disposed on the substrate, the organic electroluminescent element including, in the given order: an anode; a light-emitting layer; and a cathode, the light-emitting layer including multiple light-emitting portions, the multiple light-emitting portions each providing a luminescent color different from the luminescent color of the adjacent light-emitting portion, the multiple light-emitting portions each containing a luminescent dopant material, the concentration of the luminescent dopant material in each light-emitting portion changing in the thickness direction of the light-emitting portion and being at a local maximum in the vicinity of a first interface on the anode side and in the vicinity of a second interface on the cathode side, the local maximum in each light-emitting portion being 20% by weight or higher of the total weight of the light-emitting portion.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: May 22, 2018
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Shinichi Kawato, Takashi Ochi, Satoshi Inoue, Yuhki Kobayashi, Kazuki Matsunaga, Katsuhiro Kikuchi
  • Patent number: 9947900
    Abstract: An organic EL device according to the present invention includes: a first structure section; and a second structure section. The first structure section includes: a recess; a reflection layer provided along an inner surface of the recess; a filling layer filled at an inner side of the recess via the reflection layer; a first electrode; an organic layer including a light-emitting layer; and a second electrode. The second structure section includes: a reflection layer provided on a flat surface of the base material; a first electrode; an organic layer including a light-emitting layer; and a second electrode.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: April 17, 2018
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Eiji Koike, Hideki Uchida, Katsuhiro Kikuchi, Yoshiyuki Isomura, Satoshi Inoue, Yuto Tsukamoto, Masanori Ohara, Kazuki Matsunaga
  • Patent number: 9893283
    Abstract: The present invention relates to a vapor deposition device for forming a film on a substrate, including: a vapor deposition chamber; a vapor deposition unit including a vapor deposition mask provided with an opening for pattern formation; and a transport mechanism that is configured to transfer at least one of the substrate and the vapor deposition unit relative to the other in a first direction perpendicular to the normal direction of the vapor deposition mask and that is configured to cause the substrate to rest temporarily at a resting position relative to the vapor deposition unit. The substrate includes a vapor-deposition-target region, and the region does not overlap the opening of the vapor deposition mask when the substrate is at the resting position. The vapor deposition chamber is provided with a first vent and a second vent.
    Type: Grant
    Filed: November 27, 2014
    Date of Patent: February 13, 2018
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yuhki Kobayashi, Katsuhiro Kikuchi, Shinichi Kawato, Takashi Ochi, Satoshi Inoue, Kazuki Matsunaga, Eiichi Matsumoto, Masahiro Ichihara
  • Publication number: 20180019424
    Abstract: The present invention provides an organic EL element with high luminous efficacy and high productivity, and an organic EL panel including the organic EL element. The organic electroluminescent element includes, in the given order: an anode; a hole transport layer; a light-emitting unit; an electron transport layer; and a cathode, the light-emitting unit including a first luminescent dopant layer, a first blocking layer, a second luminescent dopant layer, and a mixed light-emitting layer in the given order, the mixed light-emitting layer containing a first luminescent host material and a first luminescent dopant material, the first luminescent dopant layer substantially consisting of a second luminescent dopant material, the second luminescent dopant layer substantially consisting of a third luminescent dopant material, the first blocking layer containing a second luminescent host material.
    Type: Application
    Filed: January 19, 2016
    Publication date: January 18, 2018
    Inventors: KAZUKI MATSUNAGA, KATSUHIRO KIKUCHI, HIDEKI UCHIDA, MASANORI OHARA, SATOSHI INOUE, EIJI KOIKE, YUTO TSUKAMOTO
  • Publication number: 20180009190
    Abstract: It comprises: a film made of a resin in which an aperture pattern is formed, the aperture pattern passing through the film, the aperture being with a shape and dimension corresponding to the thin-film pattern in a pre-established region for formation of the thin-film pattern on the substrate; and a metal member that has an aperture part opposite the aperture pattern with a shape and dimension larger than the aperture pattern, the metal member being provided as a thin sheet in intimate contact with one surface of the film on an outside part of the aperture pattern of the film. The film is mutually distanced and distributed, at a position where the film does not overlap the aperture pattern, into a plurality of divided parts on one surface of the metal member.
    Type: Application
    Filed: January 19, 2016
    Publication date: January 11, 2018
    Applicant: Sharp Kabushiki Kaisha
    Inventors: TAKASHI OCHI, SHINICHI KAWATO, KAZUKI MATSUNAGA, YUHKI KOBAYASHI, KATSUHIRO KIKUCHI
  • Patent number: 9845530
    Abstract: A mask for a vapor deposition apparatus includes an outer frame; a first bar disposed on an inner side of the outer frame and fixed to the outer frame; and a pattern forming portion disposed on the outer frame and the first bar and fixed to the outer frame. The pattern forming portion includes a plurality of mask openings for pattern formation. Each of the plurality of mask openings is disposed along a first direction. The plurality of mask openings are disposed in a second direction orthogonal to the first direction. The first bar is positioned between adjacent two mask openings among the plurality of mask openings when viewed along a third direction orthogonal to the first direction and the second direction, and is in contact with the pattern forming portion.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: December 19, 2017
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Satoshi Inoue, Katsuhiro Kikuchi, Shinichi Kawato, Takashi Ochi, Yuhki Kobayashi, Kazuki Matsunaga, Eiichi Matsumoto, Masahiro Ichihara
  • Patent number: 9831471
    Abstract: The method for producing an organic EL display panel includes, in the given order, the steps of: forming a first light-emitting layer by forming a film from a luminescent material of a first luminescent color in a first pixel; performing the etching treatment to remove, while leaving the first light-emitting layer to remain, a thin film of the luminescent material of the first luminescent color which adhered to the second pixel in the step; forming a second light-emitting layer by forming a film from a luminescent material of a second luminescent color different from the first luminescent color in the second pixel; and performing the etching treatment to remove, while leaving the second light-emitting layer to remain, a thin film of the luminescent material of the second luminescent color which adhered to the first pixel in the step.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: November 28, 2017
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kazuki Matsunaga, Katsuhiro Kikuchi, Shinichi Kawato, Satoshi Inoue, Yuhki Kobayashi, Takashi Ochi
  • Publication number: 20170324063
    Abstract: A light-emitting element includes at least a first trench portion having an indented shape within a single light-emitting region. In the first trench portion, a first electrode, an EL layer, and a second electrode are layered in this order and in contact with each other. One of the first electrode and the second electrode includes a reflective electrode, and concave-convex portions of the submicron order configured to diffract surface plasmons are provided on the surface of the reflective electrode on a side closer to the EL layer.
    Type: Application
    Filed: November 20, 2015
    Publication date: November 9, 2017
    Inventors: MASANORI OHARA, HIDEKI UCHIDA, KATSUHIRO KIKUCHI, SATOSHI INOUE, YUTO TSUKAMOTO, KAZUKI MATSUNAGA, EIJI KOIKE
  • Publication number: 20170325314
    Abstract: An organic electroluminescence device according to the present invention includes: a base material having a top surface on which a recess is provided; a reflective layer provided along at least a surface of the recess; a filling layer filled in the recess via the reflective layer, the filling layer having light transmissivity; a first electrode provided at least on an upper layer side of the filling layer, the first electrode having light transmissivity; an organic layer provided on an upper layer side of the first electrode, the organic layer including at least a light emitting layer; and a second electrode provided on an upper layer side of the organic layer, the second electrode having light transmissivity. The second electrode has a reflectance of 70% or less.
    Type: Application
    Filed: November 6, 2015
    Publication date: November 9, 2017
    Inventors: HIDEKI UCHIDA, KATSUHIRO KIKUCHI, SATOSHI INOUE, EIJI KOIKE, MASANORI OHARA, YUTO TSUKAMOTO, YOSHIYUKI ISOMURA, KAZUKI MATSUNAGA
  • Publication number: 20170317148
    Abstract: An organic electroluminescence device according to one aspect of the present invention includes: a base material having a top surface on which a recess is provided; a reflective layer provided along at least a surface of the recess; a filling layer filled inside the recess via the reflective layer, the filling layer having light transmissivity; a first electrode provided at least on an upper layer side of the filling layer, the first electrode having light transmissivity; an organic layer provided on an upper layer side of the first electrode, the organic layer including at least a light emitting layer; and a second electrode provided on an upper layer side of the organic layer, the second electrode having light transmissivity, wherein a coloring material is mixed into the filling layer.
    Type: Application
    Filed: November 24, 2015
    Publication date: November 2, 2017
    Inventors: HIDEKI UCHIDA, KATSUHIRO KIKUCHI, SATOSHI INOUE, EIJI KOIKE, MASANORI OHARA, YUTO TSUKAMOTO, YOSHIYUKI ISOMURA, KAZUKI MATSUNAGA
  • Publication number: 20170280530
    Abstract: An organic electroluminescence device according to one aspect of the present invention includes: a base material in which a recess is provided at an upper surface of the base material; a reflective layer that is provided at least along a surface of the recess; a filling layer that is filled into an inside of the recess via the reflective layer, the filling layer having light transmissivity; a first electrode that is provided at least on a layer above the filling layer, the first electrode having light transmissivity and light reflectivity; an organic layer that is provided on a layer above the first electrode, the organic layer including at least a light-emitting layer; and a second electrode that is provided on a layer above the organic layer, the second electrode having light transmissivity and light reflectivity. A part of the reflective layer contacts a part of the first electrode.
    Type: Application
    Filed: August 24, 2015
    Publication date: September 28, 2017
    Inventors: Kazuki MATSUNAGA, Katsuhiro KIKUCHI, Hideki UCHIDA, Satoshi INOUE, Masanori OHARA, Eiji KOIKE, Yuto TSUKAMOTO, Yoshiyuki ISOMURA
  • Publication number: 20170263896
    Abstract: The organic EL device includes a base material, a recessed portion, a reflective layer provided along an inner face of the recessed portion, a filling layer having optical transparency, and filled and disposed at an inside of the recessed portion, with the reflective layer interposed between the recessed portion and the filling layer, a first electrode having optical transparency and provided at an upper-layer side of the filling layer, an organic layer including a light-emitting layer and provided at an upper-layer side of the first electrode, a second electrode having optical transparency and optical reflectivity and provided at an upper-layer side of the organic layer. At least a portion of an edge of the light-emitting region is positioned further inside than an edge of the recessed portion, and the reflective layer and the first electrode are in contact with each other at the periphery of the recessed portion.
    Type: Application
    Filed: September 15, 2015
    Publication date: September 14, 2017
    Applicant: Sharp Kabushiki Kaisha
    Inventors: SATOSHI INOUE, KATSUHIRO KIKUCHI, HIDEKI UCHIDA, EIJI KOIKE, MASANORI OHARA, YUTO TSUKAMOTO, YOSHIYUKI ISOMURA, KAZUKI MATSUNAGA
  • Publication number: 20170256733
    Abstract: The organic EL element (10) at least includes, between a first electrode (2) and a second electrode (4), at least one layer of an exciton generating layer (33) which contains at least one type of TADF material as a host material and at least one layer of a fluorescent emission layer (34) which contains at least one type of fluorescent emission material.
    Type: Application
    Filed: August 17, 2015
    Publication date: September 7, 2017
    Inventors: Yuto TSUKAMOTO, Katsuhiro KIKUCHI, Hideki UCHIDA, Eiji KOIKE, Satoshi INOUE, Masanori OHARA, Kazuki MATSUNAGA
  • Publication number: 20170256748
    Abstract: An organic EL device according to the present invention includes: a first structure section; and a second structure section. The first structure section includes: a recess; a reflection layer provided along an inner surface of the recess; a filling layer filled at an inner side of the recess via the reflection layer; a first electrode; an organic layer including a light-emitting layer; and a second electrode. The second structure section includes: a reflection layer provided on a flat surface of the base material; a first electrode; an organic layer including a light-emitting layer; and a second electrode.
    Type: Application
    Filed: September 10, 2015
    Publication date: September 7, 2017
    Inventors: Eiji KOIKE, Hideki UCHIDA, Katsuhiro KIKUCHI, Yoshiyuki ISOMURA, Satoshi INOUE, Yuto TSUKAMOTO, Masanori OHARA, Kazuki MATSUNAGA
  • Publication number: 20170243932
    Abstract: A light emitting element including at least a first trench portion having an indented shape within a single light emitting region. The first trench portion includes a first electrode, an EL layer, and a second electrode. The first electrode, the EL layer, and the second electrode are layered in this order and in contact with each other. At least one of the first electrode or the second electrode includes a reflective electrode.
    Type: Application
    Filed: October 9, 2015
    Publication date: August 24, 2017
    Applicant: Sharp Kabushiki Kaisha
    Inventors: MASANORI OHARA, HIDEKI UCHIDA, KATSUHIRO KIKUCHI, SATOSHI INOUE, YUTO TSUKAMOTO, KAZUKI MATSUNAGA, EIJI KOIKE
  • Publication number: 20170218500
    Abstract: A vapor deposition device is provided with first and second vapor deposition sources, a common pipe that is connected to the first and second vapor deposition sources, a vapor deposition particle emission source that is connected to the common pipe and emits vapor deposition particles from each of the first and second vapor deposition sources, an exhaust valve that is connected to the vapor deposition particle emission source, and an exhaust pump that is connected to the exhaust valve.
    Type: Application
    Filed: July 24, 2015
    Publication date: August 3, 2017
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Takashi OCHI, Shinichi KAWATO, Yuhki KOBAYASHI, Kazuki MATSUNAGA, Katsuhiro KIKUCHI, Masahiro ICHIHARA, Eiichi MATSUMOTO