Patents by Inventor Toshihiro Fukuda

Toshihiro Fukuda 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: 8487335
    Abstract: Disclosed herein is a light emitting device including: an organic layer sandwiched between a first electrode and a second electrode to serve as an organic layer including a light emitting layer for emitting monochromatic light at one location; a first light reflection boundary face provided on a side close to the first electrode to serve as a boundary face for reflecting light emitted from the light emitting layer so as to radiate the reflected light from a side close to the second electrode; and a second light reflection boundary face, a third light reflection boundary face and a fourth light reflection boundary face which are sequentially provided at positions separated away from each other in a direction from the first electrode to the second electrode on the side close to the second electrode.
    Type: Grant
    Filed: February 21, 2012
    Date of Patent: July 16, 2013
    Assignee: Sony Corporation
    Inventor: Toshihiro Fukuda
  • Patent number: 8410686
    Abstract: Disclosed herein is a display device provided with: (A) a plurality of light-emitting devices comprising a first electrode, an organic layer including a light-emitting layer and a second electrode configured to resonate light, which is generated in the light-emitting layer, between a first interface defined by an interface between the first electrode and the organic layer and a second interface defined by an interface between the second electrode and the organic layer, and (B) a transparent upper substrate having a first side facing the second electrode and a second side located on an opposite side of the first side, and fixed above the second electrode.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: April 2, 2013
    Assignee: Sony Corporation
    Inventors: Jiro Yamada, Mitsuhiro Kashiwabara, Toshihiro Fukuda, Reo Asaki, Gentaro Kano
  • Patent number: 8405098
    Abstract: An organic light emitting device includes a first electrode and second electrode on a substrate. Light emitting units are positioned between the first and second electrodes. A first light emitting unit includes a first light emitting layer, and a second light emitting unit includes a second light emitting layer. The first electrode reflects light from at least one of the light emitting units to generate an interference pattern with light emitted from the first light emitting layer. The interference pattern has a plurality of interference positions such that a first interference position is located within the first light emitting layer, and a second interference position is located within the second light emitting layer.
    Type: Grant
    Filed: May 17, 2010
    Date of Patent: March 26, 2013
    Assignee: Sony Corporation
    Inventors: Shigeyuki Matsunami, Toshihiro Fukuda, Jiro Yamada
  • Publication number: 20130038201
    Abstract: A display includes: a light emitting layer; a reflective section reflecting light, that enters through the light emitting layer, to a display surface; an absorption-type polarizing plate provided on the display surface; a retardation film provided between the light emitting layer and the absorption-type polarizing plate; a reflection-type polarizing plate provided between the retardation film and the absorption-type polarizing plate, and reflecting, among light transmitted by the retardation film, light in a predetermined light-axis direction; and an outside-light reflection suppression layer provided between the light emitting layer and the reflection-type polarizing plate, and absorbing part of outside light.
    Type: Application
    Filed: August 3, 2012
    Publication date: February 14, 2013
    Applicant: SONY CORPORATION
    Inventor: Toshihiro Fukuda
  • Patent number: 8373342
    Abstract: A light-emitting apparatus includes: light-emitting devices emitting light of different single colors in a visible wavelength region, wherein each of the light-emitting devices includes an organic layer which is interposed between first and second electrodes and in which a first or second light-emitting layer emitting light of different single colors is included at a first or second position separated from each other in a direction from the first electrode to the second electrode; a first reflective interface which is provided on the side of the first electrode so as to reflect light emitted from the first or second light-emitting layer to be emitted from the side of the second electrode; and a second reflective interface and a third reflective interface which are provided on the side of the second electrode at mutually separated positions in that order in a direction from the first electrode to the second electrode.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: February 12, 2013
    Assignee: Sony Corporation
    Inventors: Toshihiro Fukuda, Jiro Yamada, Yohei Ebihara
  • Patent number: 8350281
    Abstract: A display device includes: an optical cavity portion; and a light emitting layer, wherein a peak wavelength of an internal emission spectrum of the light emitting layer is identical to a peak wavelength of a multiple interference filter spectrum of the optical cavity portion, and wherein a color shift ? uv of white light in the display device at a viewing angle of 60° is less than or equal to 0.015. A method of adjusting a color shift of white light in a display device includes: setting a peak wavelength of a multiple interference filter spectrum obtained by an optical cavity portion in the display device equal to a peak wavelength of an internal emission spectrum of a light emitting layer in the display device; and adjusting a position of the light emitting layer in a thickness direction thereof.
    Type: Grant
    Filed: June 7, 2010
    Date of Patent: January 8, 2013
    Assignee: Sony Corporation
    Inventor: Toshihiro Fukuda
  • Publication number: 20120274617
    Abstract: A light-emitting device including: an organic layer which is interposed between a first electrode and a second electrode and in which a first light-emitting layer and a second light-emitting layer emitting light of single colors or two or more different colors in a visible wavelength region are sequentially included at mutually separated positions in that order in a direction from the first electrode to the second electrode; a first reflective interface which is provided on the side of the first electrode so as to reflect light emitted from the first light-emitting layer and the second light-emitting layer to be emitted from the side of the second electrode; and a second reflective interface and a third reflective interface which are sequentially provided on the side of the second electrode at mutually separated positions in that order in a direction from the first electrode to the second electrode.
    Type: Application
    Filed: July 12, 2012
    Publication date: November 1, 2012
    Applicant: Sony Corporation
    Inventors: Toshihiro Fukuda, Jiro Yamada, Yohei Ebihara
  • Publication number: 20120262943
    Abstract: A display unit in which the view angle is limited and the front luminance is improved. The display unit includes a display device, and a light guiding part which is provided to face the display device. The light guiding part, has an incident face facing the display device, an emitting face, a reflective surface on a side thereof, and a cross section expanding from the incident face to the emitting face.
    Type: Application
    Filed: June 21, 2012
    Publication date: October 18, 2012
    Applicant: SONY CORPORATION
    Inventors: Tetsuo Urabe, Yuichi Iwase, Koichi Tsukihara, Yoichi Tomo, Toshihiro Fukuda
  • Publication number: 20120243221
    Abstract: A display apparatus, includes: a substrate; a plural light emitting elements provided on the substrate and each formed from a lower electrode, a light emitting function layer and an upper layer stacked in this order; a partition for element isolation provided on the substrate and having a plural apertures individually corresponding to the light emitting elements; and a black matrix disposed on the light extraction side of the light emitting elements and having a shape with which the black matrix covers over portions. Each of the apertures of the partition having a side wall is formed in such a tapering shape that the aperture width increases toward the light extraction side of the light emitting elements. The black matrix is provided in such a manner as to cover over an upper edge portion of the tapering shape on at least one side which defines each aperture of the partition.
    Type: Application
    Filed: June 4, 2012
    Publication date: September 27, 2012
    Applicant: SONY CORPORATION
    Inventors: Akitsuna Takagi, Jiro Yamada, Toshihiro Fukuda
  • Publication number: 20120240761
    Abstract: To include a boiler 11 that burns fuel F, an air heater 13 that recovers heat of flue gas 18 from the boiler 11, a first precipitator 14 that reduces dust in the flue gas 18 after heat recovery, a desulfurizer 15 that reduces sulfur oxides in the flue gas 18 after dust reduction by an absorbent, a dewaterer 32 that reduces gypsum 31 from desulfurization discharged water 30 discharged from the desulfurizer 15, a spray drying device 34 including an atomizer that atomizes a dewatering filtration fluid 33 discharged from the dewaterer 32, and a flue-gas introducing line L11 that introduces a part of the flue gas 18 into the spray drying device 34.
    Type: Application
    Filed: May 31, 2011
    Publication date: September 27, 2012
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Nobuyuki Ukai, Seiji Kagawa, Tatsuto Nagayasu, Naoyuki Kamiyama, Toshihiro Fukuda
  • Publication number: 20120235183
    Abstract: Disclosed herein is a light emitting device including: an organic layer sandwiched between a first electrode and a second electrode to serve as an organic layer including a light emitting layer for emitting monochromatic light at one location; a first light reflection boundary face provided on a side close to the first electrode to serve as a boundary face for reflecting light emitted from the light emitting layer so as to radiate the reflected light from a side close to the second electrode; and a second light reflection boundary face, a third light reflection boundary face and a fourth light reflection boundary face which are sequentially provided at positions separated away from each other in a direction from the first electrode to the second electrode on the side close to the second electrode.
    Type: Application
    Filed: February 21, 2012
    Publication date: September 20, 2012
    Applicant: SONY CORPORATION
    Inventor: Toshihiro Fukuda
  • Patent number: 8227981
    Abstract: A light-emitting device including: an organic layer which is interposed between a first electrode and a second electrode and in which a first light-emitting layer and a second light-emitting layer emitting light of single colors or two or more different colors in a visible wavelength region are sequentially included at mutually separated positions in that order in a direction from the first electrode to the second electrode; a first reflective interface which is provided on the side of the first electrode so as to reflect light emitted from the first light-emitting layer and the second light-emitting layer to be emitted from the side of the second electrode; and a second reflective interface and a third reflective interface which are sequentially provided on the side of the second electrode at mutually separated positions in that order in a direction from the first electrode to the second electrode.
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: July 24, 2012
    Assignee: Sony Corporation
    Inventors: Toshihiro Fukuda, Jiro Yamada, Yohei Ebihara
  • Patent number: 8226256
    Abstract: A display unit which the view angle is limited and the front luminance is improved is provided. The display unit includes a display device, and a light guiding part which is provided to face the display device, has an incident face on the side opposing to the display device, an emitting face on the opposite side of the display device, and a reflective face on the side face, and has a cross section expanding from the incident face to the emitting face.
    Type: Grant
    Filed: March 1, 2007
    Date of Patent: July 24, 2012
    Assignee: Sony Corporation
    Inventors: Tetsuo Urabe, Yuichi Iwase, Koichi Tsukihara, Yoichi Tomo, Toshihiro Fukuda
  • Patent number: 8198805
    Abstract: A display apparatus, includes: a substrate; a plural light emitting elements provided on the substrate and each formed from a lower electrode, a light emitting function layer and an upper layer stacked in this order; a partition for element isolation provided on the substrate and having a plural apertures individually corresponding to the light emitting elements; and a black matrix disposed on the light extraction side of the light emitting elements and having a shape with which the black matrix covers over portions. Each of the apertures of the partition having a side wall is formed in such a tapering shape that the aperture width increases toward the light extraction side of the light emitting elements. The black matrix is provided in such a manner as to cover over an upper edge portion of the tapering shape on at least one side which defines each aperture of the partition.
    Type: Grant
    Filed: February 28, 2008
    Date of Patent: June 12, 2012
    Assignee: Sony Corporation
    Inventors: Akitsuna Takagi, Jiro Yamada, Toshihiro Fukuda
  • Patent number: 8110978
    Abstract: The present invention provides a display device including: a pair of substrates in which a plurality of pixels are disposed in a matrix form as a whole, the pixels being configured with pixels corresponding to R (red), G (green), or B (blue), and the pixels corresponding to the R, G, or B having size different from each other; a self-luminous photo-emission element formed in a region corresponding to each of the pixels, on one of the pair of substrates; and a black matrix layer formed in a region corresponding to among the pixels, on the other of the pair of substrates. Formula (1) and formula (2) are satisfied, or formula (1) and formula (3) are satisfied.
    Type: Grant
    Filed: November 11, 2009
    Date of Patent: February 7, 2012
    Assignee: Sony Corporation
    Inventor: Toshihiro Fukuda
  • Patent number: 8093801
    Abstract: Disclosed herein is a display device provided with: (A) a plurality of light-emitting devices comprising a first electrode, an organic layer including a light-emitting layer and a second electrode configured to resonate light, which is generated in the light-emitting layer, between a first interface defined by an interface between the first electrode and the organic layer and a second interface defined by an interface between the second electrode and the organic layer, and (B) a transparent upper substrate having a first side facing the second electrode and a second side located on an opposite side of the first side, and fixed above the second electrode.
    Type: Grant
    Filed: August 13, 2008
    Date of Patent: January 10, 2012
    Assignee: Sony Corporation
    Inventors: Jiro Yamada, Mitsuhiro Kashiwabara, Toshihiro Fukuda, Reo Asaki, Gentaro Kano
  • Publication number: 20110254437
    Abstract: Disclosed herein is a display device provided with: (A) a plurality of light-emitting devices comprising a first electrode, an organic layer including a light-emitting layer and a second electrode configured to resonate light, which is generated in the light-emitting layer, between a first interface defined by an interface between the first electrode and the organic layer and a second interface defined by an interface between the second electrode and the organic layer, and (B) a transparent upper substrate having a first side facing the second electrode and a second side located on an opposite side of the first side, and fixed above the second electrode.
    Type: Application
    Filed: July 1, 2011
    Publication date: October 20, 2011
    Applicant: SONY CORPORATION
    Inventors: Jiro Yamada, Mitsuhiro Kashiwabara, Toshihiro Fukuda, Reo Asaki, Gentaro Kano
  • Publication number: 20110220924
    Abstract: A display apparatus including a self-luminous type light emitting device with which view angle characteristics of luminance are able to be improved is provided. An organic EL device (light emitting sections 16R, 16G, and 16B) as a self-luminous type light emitting device and a black matrix layer BM are provided, and Formula (11) and Formula (16) are satisfied. In the view angle ? range from 0 to 60 deg both inclusive, vignetting of display light L from the light emitting sections 16R, 16G, and 16B (organic EL device) caused by light shielding by the black matrix layer BM is never generated. Meanwhile, in the case where Formula (11), Formula (19), and Formula (23) are satisfied, even if vignetting of the display light L from the organic EL device caused by light shielding by the black matrix layer BM is generated in the view angle ? range from 0 to 60 deg both inclusive, the vignetting ratio of the display light L is suppressed to a value equal to or less than 50%.
    Type: Application
    Filed: August 27, 2008
    Publication date: September 15, 2011
    Applicant: Sony Corporation
    Inventor: Toshihiro Fukuda
  • Publication number: 20110187259
    Abstract: A light-emitting device including: an organic layer which is interposed between a first electrode and a second electrode and in which a first light-emitting layer and a second light-emitting layer emitting light of single colors or two or more different colors in a visible wavelength region are sequentially included at mutually separated positions in that order in a direction from the first electrode to the second electrode; a first reflective interface which is provided on the side of the first electrode so as to reflect light emitted from the first light-emitting layer and the second light-emitting layer to be emitted from the side of the second electrode; and a second reflective interface and a third reflective interface which are sequentially provided on the side of the second electrode at mutually separated positions in that order in a direction from the first electrode to the second electrode.
    Type: Application
    Filed: January 19, 2011
    Publication date: August 4, 2011
    Applicant: SONY CORPORATION
    Inventors: Toshihiro FUKUDA, Jiro YAMADA, Yohei EBIHARA
  • Publication number: 20110187261
    Abstract: A light-emitting apparatus includes: light-emitting devices emitting light of different single colors in a visible wavelength region, wherein each of the light-emitting devices includes an organic layer which is interposed between first and second electrodes and in which a first or second light-emitting layer emitting light of different single colors is included at a first or second position separated from each other in a direction from the first electrode to the second electrode; a first reflective interface which is provided on the side of the first electrode so as to reflect light emitted from the first or second light-emitting layer to be emitted from the side of the second electrode; and a second reflective interface and a third reflective interface which are provided on the side of the second electrode at mutually separated positions in that order in a direction from the first electrode to the second electrode.
    Type: Application
    Filed: January 21, 2011
    Publication date: August 4, 2011
    Applicant: SONY CORPORATION
    Inventors: Toshihiro Fukuda, Jiro Yamada, Yohei Ebihara