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).
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Patent number: 8487335Abstract: 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: GrantFiled: February 21, 2012Date of Patent: July 16, 2013Assignee: Sony CorporationInventor: Toshihiro Fukuda
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Patent number: 8410686Abstract: 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: GrantFiled: July 1, 2011Date of Patent: April 2, 2013Assignee: Sony CorporationInventors: Jiro Yamada, Mitsuhiro Kashiwabara, Toshihiro Fukuda, Reo Asaki, Gentaro Kano
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Patent number: 8405098Abstract: 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: GrantFiled: May 17, 2010Date of Patent: March 26, 2013Assignee: Sony CorporationInventors: Shigeyuki Matsunami, Toshihiro Fukuda, Jiro Yamada
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Publication number: 20130038201Abstract: 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: ApplicationFiled: August 3, 2012Publication date: February 14, 2013Applicant: SONY CORPORATIONInventor: Toshihiro Fukuda
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Patent number: 8373342Abstract: 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: GrantFiled: January 21, 2011Date of Patent: February 12, 2013Assignee: Sony CorporationInventors: Toshihiro Fukuda, Jiro Yamada, Yohei Ebihara
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Patent number: 8350281Abstract: 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: GrantFiled: June 7, 2010Date of Patent: January 8, 2013Assignee: Sony CorporationInventor: Toshihiro Fukuda
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Publication number: 20120274617Abstract: 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: ApplicationFiled: July 12, 2012Publication date: November 1, 2012Applicant: Sony CorporationInventors: Toshihiro Fukuda, Jiro Yamada, Yohei Ebihara
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Publication number: 20120262943Abstract: 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: ApplicationFiled: June 21, 2012Publication date: October 18, 2012Applicant: SONY CORPORATIONInventors: Tetsuo Urabe, Yuichi Iwase, Koichi Tsukihara, Yoichi Tomo, Toshihiro Fukuda
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Publication number: 20120243221Abstract: 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: ApplicationFiled: June 4, 2012Publication date: September 27, 2012Applicant: SONY CORPORATIONInventors: Akitsuna Takagi, Jiro Yamada, Toshihiro Fukuda
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Publication number: 20120240761Abstract: 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: ApplicationFiled: May 31, 2011Publication date: September 27, 2012Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Nobuyuki Ukai, Seiji Kagawa, Tatsuto Nagayasu, Naoyuki Kamiyama, Toshihiro Fukuda
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Publication number: 20120235183Abstract: 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: ApplicationFiled: February 21, 2012Publication date: September 20, 2012Applicant: SONY CORPORATIONInventor: Toshihiro Fukuda
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Patent number: 8227981Abstract: 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: GrantFiled: January 19, 2011Date of Patent: July 24, 2012Assignee: Sony CorporationInventors: Toshihiro Fukuda, Jiro Yamada, Yohei Ebihara
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Patent number: 8226256Abstract: 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: GrantFiled: March 1, 2007Date of Patent: July 24, 2012Assignee: Sony CorporationInventors: Tetsuo Urabe, Yuichi Iwase, Koichi Tsukihara, Yoichi Tomo, Toshihiro Fukuda
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Patent number: 8198805Abstract: 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: GrantFiled: February 28, 2008Date of Patent: June 12, 2012Assignee: Sony CorporationInventors: Akitsuna Takagi, Jiro Yamada, Toshihiro Fukuda
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Patent number: 8110978Abstract: 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: GrantFiled: November 11, 2009Date of Patent: February 7, 2012Assignee: Sony CorporationInventor: Toshihiro Fukuda
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Patent number: 8093801Abstract: 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: GrantFiled: August 13, 2008Date of Patent: January 10, 2012Assignee: Sony CorporationInventors: Jiro Yamada, Mitsuhiro Kashiwabara, Toshihiro Fukuda, Reo Asaki, Gentaro Kano
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Publication number: 20110254437Abstract: 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: ApplicationFiled: July 1, 2011Publication date: October 20, 2011Applicant: SONY CORPORATIONInventors: Jiro Yamada, Mitsuhiro Kashiwabara, Toshihiro Fukuda, Reo Asaki, Gentaro Kano
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Publication number: 20110220924Abstract: 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: ApplicationFiled: August 27, 2008Publication date: September 15, 2011Applicant: Sony CorporationInventor: Toshihiro Fukuda
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Publication number: 20110187259Abstract: 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: ApplicationFiled: January 19, 2011Publication date: August 4, 2011Applicant: SONY CORPORATIONInventors: Toshihiro FUKUDA, Jiro YAMADA, Yohei EBIHARA
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Publication number: 20110187261Abstract: 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: ApplicationFiled: January 21, 2011Publication date: August 4, 2011Applicant: SONY CORPORATIONInventors: Toshihiro Fukuda, Jiro Yamada, Yohei Ebihara