Patents by Inventor Emi Yamamoto

Emi Yamamoto 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: 8743466
    Abstract: A display device has a display element that makes a display and a viewing angle widening member that is provided on the viewing side of the display element, and that causes light to exit in a condition in which the angle distribution is widened relative to before incidence of the viewing angle widening member to the display element. The viewing angle widening member includes a base material, and a refractive index change layer formed over the base material. The refractive index change layer includes a plurality of high refractive index portions and low refractive index portions having a refractive index that is lower than the refractive index of the high refractive index portions. Each of the plurality of high refractive index portions includes a light emission surface on the base material side, and a light incidence surface having a larger surface area than that of the light emission surface on the opposing side of the base material side. The refractive index change layer faces the display element.
    Type: Grant
    Filed: June 10, 2011
    Date of Patent: June 3, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Emi Yamamoto
  • Publication number: 20140111862
    Abstract: A light diffusion member includes a light transmissive substrate, a plurality of light diffusion sections formed on one surface of the substrate, a light shielding layer formed in a region other than formation regions of the light diffusion sections on the one surface of the substrate, and light scattering bodies. The light diffusion sections have a light emitting end surface on the substrate side and a light incident end surface having an area greater than an area of the light emitting end surface on a side opposite to the substrate side. A height from the light incident end surface to the light emitting end surface of each of the light diffusion sections is greater than a thickness of the light shielding layer. The light scattering bodies are disposed further on a light emitting side than the light diffusion sections.
    Type: Application
    Filed: May 10, 2012
    Publication date: April 24, 2014
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Emi Yamamoto, Tsuyoshi Maeda, Toru Kanno
  • Publication number: 20140029165
    Abstract: Provided is an electric double-layer capacitor excellent in long-term reliability, particularly in suppressing its expansion, and a non-aqueous electrolytic solution for the electric double-layer capacitor.
    Type: Application
    Filed: March 29, 2012
    Publication date: January 30, 2014
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Kenzou Takahashi, Meiten Koh, Hideo Sakata, Emi Yamamoto
  • Patent number: 8633644
    Abstract: The present invention provides a thin-film formed substrate, an organic electroluminescent display device, a color filter substrate, and a method of producing a thin-film formed substrate. The thin-film formed substrate according to the present invention is a thin-film formed substrate provided with a substrate and a thin film formed on the substrate, the substrate comprising a first bank forming a depression on the substrate, and a second bank formed on the first bank, wherein a partitioned region surrounded by the second bank has a plurality of the depressions arranged therein, and the thin film is arranged in each of the depressions.
    Type: Grant
    Filed: May 12, 2009
    Date of Patent: January 21, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Emi Yamamoto, Tohru Sonoda
  • Publication number: 20130329401
    Abstract: A light diffusion member includes a light-transmissive base, a plurality of light diffusion portions, a connecting portion, and a light absorbing layer. The light diffusion portions are arranged on one surface of the base and have light-incident end surfaces each positioned on the side away from the base and having a larger area than a light-emergent end surface thereof. The connecting portion connects at least two adjacent ones of the plural light diffusion portions to each other, and is positioned near the light-incident end surfaces of the adjacent light diffusion portions. The light absorbing layer is formed on the one surface of the base in a region different from a region where the light diffusion portions are formed. A size from the light-incident end surface to the light-emergent end surface of the light diffusion portion is larger than a thickness of the light absorbing layer.
    Type: Application
    Filed: March 1, 2012
    Publication date: December 12, 2013
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Emi Yamamoto, Toru Kanno, Tsuyoshi Maeda
  • Publication number: 20130265774
    Abstract: A light diffusing member includes a base material having a light transmitting property; a plurality of light blocking sections that are formed in a scattered manner at one surface of the base material; and a light transmissive material layer that is formed at the one surface of the base material. A thickness of the light transmissive material layer is larger than a thickness of each light blocking section. The light transmissive material layer has hollow portions in regions where the light blocking sections are formed. Each hollow portion has a shape in which a cross-section area when each hollow portion is cut at a plane that is parallel to the one surface of the base material is large on a side of the corresponding light blocking section and becomes gradually smaller with increasing distance from the corresponding light blocking section. A portion of the light transmissive material layer other than where the hollow portions are formed is a light transmitting section.
    Type: Application
    Filed: December 8, 2011
    Publication date: October 10, 2013
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Tokiyoshi Umeda, Hidefumi Yoshida, Emi Yamamoto, Toru Kanno, Tsuyoshi Maeda, Tsuyoshi Kamada
  • Patent number: 8552640
    Abstract: The present invention provides a thin-film formed substrate, an organic electroluminescent display device, a color filter substrate, and a method of producing a thin-film formed substrate. The thin-film formed substrate according to the present invention is a thin-film formed substrate provided with a substrate and a thin film formed on the substrate, the substrate comprising a first bank forming a depression on the substrate, and a second bank formed on the first bank, wherein a partitioned region surrounded by the second bank has a plurality of the depressions arranged therein, and the thin film is arranged in each of the depressions.
    Type: Grant
    Filed: May 12, 2009
    Date of Patent: October 8, 2013
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Emi Yamamoto, Tohru Sonoda
  • Publication number: 20130222976
    Abstract: The present invention provides an electric double layer capacitor having a high withstanding voltage, less deterioration, and excellent long-term reliability, especially an effect of suppressing expansion. The present invention relates to an electrolyte solution for an electric double layer capacitor. The solution comprises an electrolyte-salt-dissolving solvent (I) and an electrolyte salt (II). The electrolyte-salt-dissolving solvent (I) contains a fluorine-containing chain ether and a nitrile compound.
    Type: Application
    Filed: October 21, 2011
    Publication date: August 29, 2013
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Kenzou Takahashi, Meiten Koh, Mai Koyama, Emi Yamamoto
  • Publication number: 20130094174
    Abstract: A display device (1) includes a light diffusing sheet (10) and a display section (5). The display section (5) includes a backlight section, and a liquid crystal panel that serves as a liquid crystal display element section. The backlight section includes a light source such as a light emitting diode or a cold-cathode tube, and a light guide plate for guiding, to the liquid crystal display element section, light which is emitted from the light source and is subjected to internal reflection. The light diffusing sheet (10) is configured by forming, on a substrate (6), a plurality of light diffusing sections (7) each having an inverse tapered shape. In the display device (1), the light diffusing sheet (10) is provided on a front surface of the display section (5) such that the substrate (6) is located on a light exit surface side of the light diffusing sheet (10). It follows that the substrate (6) covers a forefront surface of the display device (1).
    Type: Application
    Filed: April 14, 2011
    Publication date: April 18, 2013
    Inventors: Emi Yamamoto, Tsuyoshi Maeda, Toru Kanno
  • Publication number: 20130088785
    Abstract: A display device has a display element that makes a display and a viewing angle widening member that is provided on the viewing side of the display element, and that causes light to exit in a condition in which the angle distribution is widened relative to before incidence of the viewing angle widening member to the display element. The viewing angle widening member includes a base material, and a refractive index change layer formed over the base material. The refractive index change layer includes a plurality of high refractive index portions and low refractive index portions having a refractive index that is lower than the refractive index of the high refractive index portions. Each of the plurality of high refractive index portions includes a light emission surface on the base material side, and a light incidence surface having a larger surface area than that of the light emission surface on the opposing side of the base material side. The refractive index change layer faces the display element.
    Type: Application
    Filed: June 10, 2011
    Publication date: April 11, 2013
    Inventor: Emi Yamamoto
  • Patent number: 8410476
    Abstract: The present invention provides an organic electroluminescent display device including an electroluminescent element with a reduced leakage current and also provides a production method thereof. The present invention is an organic electroluminescent display device including an electroluminescent element, the electroluminescent element comprising a lower electrode, an organic layer, a light-emitting layer, and an upper electrode, stacked one above the other on and above a substrate in this order, wherein the organic electroluminescent display device further includes a bank formed on the organic layer.
    Type: Grant
    Filed: August 1, 2008
    Date of Patent: April 2, 2013
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Emi Yamamoto, Kazuya Ishida, Hideki Uchida, Takeshi Hirase, Tohru Sonoda, Yuhki Kobayashi
  • Publication number: 20120268826
    Abstract: A light diffusion sheet (1) includes a lower base film (2), an upper base film (3), a light diffusing section (4), a plurality of light absorbing sections (5), and an adhesive layer (6). The light diffusing section (4), the plurality of light absorbing sections (5), and the adhesive layer (6) are provided between the lower base film (2) and the upper base film (3). Specifically, the light diffusing section (4) is provided on the lower base film (2). The light diffusing section (4) has formed a plurality of concave parts (8) therein. The upper base film (3) is provided on the light diffusing section (4). The plurality of light absorbing sections (5) fit in the plurality of respective concave parts (8) via respective gaps.
    Type: Application
    Filed: December 2, 2010
    Publication date: October 25, 2012
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Tokiyoshi Umeda, Emi Yamamoto, Akinori Itoh
  • Publication number: 20120200930
    Abstract: A light diffusion sheet (1) includes: a light diffusion layer (2) including a transmitting section (2b) that transmits incident light from a light incidence plane and emits the light from a light exit plane, and grooves (2a) that are adjacent to the transmitting section (2b) at the light exit plane, and that contain wall surfaces either entirely reflecting or transmitting the incident light; light shielding sections (3a) that are provided on the light exit plane of the light diffusion layer (2) to face the grooves (2a) in such a manner as to seal the grooves (2a), and that absorb the light from the grooves (2a); and transmitting sections (3b) that are provided on the light exit plane to face the transmitting section (2b), and that transmit the light from the transmitting section (2b). This allows absorbing stray light, thereby preventing lowering of the frontal contrast and image blurring.
    Type: Application
    Filed: May 27, 2010
    Publication date: August 9, 2012
    Inventors: Emi Yamamoto, Hidefumi Yoshida
  • Publication number: 20120181915
    Abstract: In an organic EL illumination device (1), a plurality of organic EL elements (4) are provided between an element substrate (30) and a covering substrate (20). A heat dissipation member (14) which covers surfaces of the organic EL elements (4) is provided in a space formed between the element substrate (30) and the covering substrate (20), between each organic EL element (4).
    Type: Application
    Filed: June 21, 2010
    Publication date: July 19, 2012
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Emi Yamamoto, Hidenori Ogata, Yoshimasa Fujita, Makoto Yamada
  • Publication number: 20120112618
    Abstract: An organic electroluminescence illuminating device (L) has a structure in which an organic electroluminescence element (10) is provided and encapsulated between a pair of substrates (20, 21). A light emitting surface of the organic electroluminescence element (10) has a portion which is not parallel to a light extraction surface of the entire illuminating device.
    Type: Application
    Filed: April 13, 2010
    Publication date: May 10, 2012
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Hidenori Ogata, Emi Yamamoto, Yoshimasa Fujita
  • Publication number: 20120104429
    Abstract: An organic EL element includes a substrate 20, a lower electrode 21, an upper electrode 26, and an organic layer 22. The organic layer 22 is provided between the upper and lower electrodes 21, 26. The upper and lower electrodes 21, 26 and the organic layer 22 are stacked on the substrate 20. A hole injection layer 23 and a light emitting layer 24 in the organic layer 22 are formed by using an electrospray method, and have a film-like structure in which fine particles are continuously bonded together.
    Type: Application
    Filed: June 11, 2010
    Publication date: May 3, 2012
    Inventors: Hideki Uchida, Emi Yamamoto, Kazuya Nitta, Yasumasa Nakamura
  • Publication number: 20120012834
    Abstract: The present invention provides an organic EL display device and a color filter substrate that can be manufactured inexpensively and easily and that allow reducing the size of pixel regions, and also provides a manufacturing method of the organic EL display device and a manufacturing method of the color filter substrate.
    Type: Application
    Filed: January 27, 2010
    Publication date: January 19, 2012
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Tohru Sonoda, Emi Yamamoto
  • Publication number: 20110187267
    Abstract: The present invention provides a thin-film formed substrate, an organic electroluminescent display device, a color filter substrate, and a method of producing a thin-film formed substrate. The thin-film formed substrate according to the present invention is a thin-film formed substrate provided with a substrate and a thin film formed on the substrate, the substrate comprising a first bank forming a depression on the substrate, and a second bank formed on the first bank, wherein a partitioned region surrounded by the second bank has a plurality of the depressions arranged therein, and the thin film is arranged in each of the depressions.
    Type: Application
    Filed: May 12, 2009
    Publication date: August 4, 2011
    Inventors: Emi Yamamoto, Tohru Sonoda
  • Patent number: 7807741
    Abstract: The present invention provides a coating liquid which is excellent in stabilities and capable of being stably ejected by an ejection equipment and suppressing variation in film thickness inside a film or between films, in application for various uses, a film production method, a production method of a functional device, and a functional device, using the coating liquid. The present invention is a coating liquid comprising a mixed solvent and a functional material, wherein the mixed solvent comprises a first solvent constituted by a compound having two or more aromatic rings such as diphenyl sulfide, diphenylmethane, diphenyl ether, and a symmetric structure and another solvent constituted by a compound having an aromatic ring such as xylene, and a proportion by volume of the another solvent is 90% or less in the mixed solvent.
    Type: Grant
    Filed: June 13, 2005
    Date of Patent: October 5, 2010
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Emi Yamamoto
  • Publication number: 20100213449
    Abstract: The present invention provides an organic electroluminescent display device including an electroluminescent element with a reduced leakage current and also provides a production method thereof. The present invention is an organic electroluminescent display device including an electroluminescent element, the electroluminescent element comprising a lower electrode, an organic layer, a light-emitting layer, and an upper electrode, stacked one above the other on and above a substrate in this order, wherein the organic electroluminescent display device further includes a bank formed on the organic layer.
    Type: Application
    Filed: August 1, 2008
    Publication date: August 26, 2010
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Emi Yamamoto, Kazuya Ishida, Hideki Uchida, Takeshi Hirase, Tohru Sonoda, Yuhki Kobayashi