Patents by Inventor Akio Amano
Akio Amano 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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Publication number: 20150340642Abstract: An organic electroluminescent device includes first and second substrates, first and second electrodes, an insulating layer, an organic light emitting layer, and an intermediate layer. The first electrode is provided on the first substrate. The insulating layer is provided on the first electrode. The insulating layer includes first and second openings. The second electrode includes first and second conductive parts. The first conductive part covers the first opening. The second conductive part covers the second opening. The organic light emitting layer includes first and second light emitting parts. The first light emitting part is provided between the first electrode and the first conductive part. The second light emitting part is provided between the first electrode and the second conductive part. The second substrate is provided on a stacked body including above. The intermediate layer is provided between the stacked body and the second substrate.Type: ApplicationFiled: July 30, 2015Publication date: November 26, 2015Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yasushi SHINJO, Tomoaki Sawabe, Akio Amano
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Patent number: 9125256Abstract: In general, according to one embodiment, an illumination device includes a light emitting unit, a connection unit, a containing unit, and a second sealing unit. The light emitting unit includes a first substrate, a second substrate, an organic electroluminescent element, and a first sealing unit. The organic electroluminescent element is provided between the first substrate and the second substrate. The first sealing unit seals circumferential edge portions between the first substrate and the second substrate. The connection unit supplies power to the organic electroluminescent element. The containing unit has a space being airtight in an interior of the containing unit. The containing unit contains the light emitting unit inside the space. The second sealing unit is provided in the containing unit. The second sealing unit seals between a portion of the unit extending outside the containing unit and the containing unit.Type: GrantFiled: October 7, 2013Date of Patent: September 1, 2015Assignee: Kabushiki Kaisha ToshibaInventors: Daimotsu Kato, Hayato Kakizoe, Tomoko Sugizaki, Tomoaki Sawabe, Keiji Sugi, Akio Amano, Yasushi Shinjo, Tomio Ono, Shintaro Enomoto
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Patent number: 8902383Abstract: According to one embodiment, an organic electroluminescent device includes a first electrode, a second electrode, an organic light emitting layer and an optical layer. The first electrode has a first major surface and a second major surface opposite to the first major surface and is light transmissive. The second electrode faces a portion of the first major surface. The organic light emitting layer is provided between the first electrode and the second electrode. The organic light emitting layer and the first electrode are disposed between the optical layer and the second electrode. The optical layer is able to transit between a first state where a traveling direction of light emitted from the organic light emitting layer is changed and a second state having a smaller degree of the change in the traveling direction of the light than the first state.Type: GrantFiled: December 20, 2012Date of Patent: December 2, 2014Assignee: Kabushiki Kaisha ToshibaInventors: Keiji Sugi, Shintaro Enomoto, Tomio Ono, Tomoaki Sawabe, Yasushi Shinjo, Yukitami Mizuno, Akio Amano, Tomoko Sugizaki, Toshiya Yonehara, Daimotsu Kato
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Publication number: 20140299853Abstract: According to one embodiment, the organic electroluminescent device includes an anode, a cathode provided apart from the anode, and a luminous layer. The luminous layer is disposed between the anode and the cathode and contains a host material and a luminous dopant. The host material includes a polymer having a skeleton represented by Formula 1 below in a repeating unit, and a number of repetitions being 20 to 10,000. (X is an element composing a polymer backbone, R1, R2, R3, and R4 may be identical or different, and each of them is selected from a hydrogen atom, an alkyl group, an aromatic ring group, an alkoxy group, an alkothio group, and a halogen atom.Type: ApplicationFiled: March 5, 2014Publication date: October 9, 2014Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yukitami MIZUNO, Yasushi SHINJO, Akio AMANO, Tomoko SUGIZAKI
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Patent number: 8853936Abstract: According to one embodiment, an organic electroluminescent device includes a first electrode, a plurality of second electrodes and an organic light-emitting layer. The first electrode includes a first major surface and is optical transparency. The second electrodes extend in a first direction parallel to the first major surface and are separated from each other in a second direction parallel to the first major surface and perpendicular to the first direction. An optical transmittance of the second electrodes is lower than an optical transmittance of the first electrode. A distance along the second direction between a line extending in the first direction and a side surface of each of the second electrodes continuously increases and decreases along the first direction. The side surface is unparallel to the first major surface. The organic light-emitting layer is provided between the first electrode and the second electrodes.Type: GrantFiled: December 19, 2012Date of Patent: October 7, 2014Assignee: Kabushiki Kaisha ToshibaInventors: Tomoko Sugizaki, Daimotsu Kato, Keiji Sugi, Tomio Ono, Yasushi Shinjo, Yukitami Mizuno, Akio Amano, Tomoaki Sawabe, Toshiya Yonehara, Shintaro Enomoto
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Patent number: 8841656Abstract: According to one embodiment, an organic electroluminescent element includes: a first electrode having a first and a second major surfaces; a second electrode opposed to part of the first major surface; an organic luminescent layer provided between the first and the second electrodes; an optical layer having a third major surface opposed to the second major surface and a fourth major surface on opposite side from the third major surface. The fourth major surface includes a first region overlapping the second electrode, and a second region not overlapping the second electrode. The fourth major surface includes a first concave-convex provided in the first region and a second concave-convex provided in the second region. A planarization layer is provided on the second region and burying the second concave-convex.Type: GrantFiled: September 13, 2012Date of Patent: September 23, 2014Assignee: Kabushiki Kaisha ToshibaInventors: Tomoko Sugizaki, Shintaro Enomoto, Akio Amano, Tomio Ono, Yasushi Shinjo, Yukitami Mizuno, Keiji Sugi, Tomoaki Sawabe, Toshiya Yonehara, Daimotsu Kato
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Publication number: 20140139104Abstract: In general, according to one embodiment, an illumination device includes a light emitting unit, a connection unit, a containing unit, and a second sealing unit. The light emitting unit includes a first substrate, a second substrate, an organic electroluminescent element, and a first sealing unit. The organic electroluminescent element is provided between the first substrate and the second substrate. The first sealing unit seals circumferential edge portions between the first substrate and the second substrate. The connection unit supplies power to the organic electroluminescent element. The containing unit has a space being airtight in an interior of the containing unit. The containing unit contains the light emitting unit inside the space. The second sealing unit is provided in the containing unit. The second sealing unit seals between a portion of the unit extending outside the containing unit and the containing unit.Type: ApplicationFiled: October 7, 2013Publication date: May 22, 2014Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Daimotsu KATO, Hayato Kakizoe, Tomoko Sugizaki, Tomoaki Sawabe, Keiji Sugi, Akio Amano, Yasushi Shinjo, Tomio Ono, Shintaro Enomoto
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Patent number: 8711134Abstract: According to one embodiment, an organic EL display includes a substrate and a pixel. The pixel is disposed on the substrate and includes a first color displaying portion and a second color displaying portion. The first color displaying portion has a first organic light emitting layer. The second color displaying portion has a second organic light emitting layer having an emission spectrum different from an emission spectrum of the first organic light emitting layer. The first color displaying portion has two sub-pixels. One of the two sub-pixels has a color filter.Type: GrantFiled: March 23, 2011Date of Patent: April 29, 2014Assignee: Kabushiki Kaisha ToshibaInventors: Yujiro Hara, Keiji Sugi, Nobuyoshi Saito, Tomio Ono, Akio Amano, Yukitami Mizuno
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Patent number: 8580403Abstract: According to one embodiment, there is provided an organic light-emitting diode including an anode and a cathode which are arranged apart from each other, and an emissive layer interposed between the anode and the cathode and including a host material and an emitting dopant. The host material includes a polymer containing dibenzothiophene backbones represented by the following formula (1) as repeating units: wherein n is an integer of from 20 to 10,000.Type: GrantFiled: September 2, 2011Date of Patent: November 12, 2013Assignee: Kabushiki Kaisha ToshibaInventors: Yukitami Mizuno, Isao Amemiya, Akiko Hirao, Isao Takasu, Tomoko Sugizaki, Akio Amano, Yasushi Shinjo, Tomoaki Sawabe, Shintaro Enomoto
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Publication number: 20130250557Abstract: According to one embodiment, an organic electroluminescent device includes a first electrode, a plurality of second electrodes and an organic light-emitting layer. The first electrode includes a first major surface and is optical transparency. The second electrodes extend in a first direction parallel to the first major surface and are separated from each other in a second direction parallel to the first major surface and perpendicular to the first direction. An optical transmittance of the second electrodes is lower than an optical transmittance of the first electrode. A distance along the second direction between a line extending in the first direction and a side surface of each of the second electrodes continuously increases and decreases along the first direction. The side surface is unparallel to the first major surface. The organic light-emitting layer is provided between the first electrode and the second electrodes.Type: ApplicationFiled: December 19, 2012Publication date: September 26, 2013Inventors: Tomoko SUGIZAKI, Daimotsu Kato, Keiji Sugi, Tomio Ono, Yasushi Shinjo, Yukitami Mizuno, Akio Amano, Tomoaki Sawabe, Toshiya Yonehara, Shintaro Enomoto
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Publication number: 20130248825Abstract: According to one embodiment, an organic electroluminescent element includes: a first electrode having a first and a second major surfaces; a second electrode opposed to part of the first major surface; an organic luminescent layer provided between the first and the second electrodes; an optical layer having a third major surface opposed to the second major surface and a fourth major surface on opposite side from the third major surface. The fourth major surface includes a first region overlapping the second electrode, and a second region not overlapping the second electrode. The fourth major surface includes a first concave-convex provided in the first region and a second concave-convex provided in the second region. A planarization layer is provided on the second region and burying the second concave-convex.Type: ApplicationFiled: September 13, 2012Publication date: September 26, 2013Applicant: Kabushiki Kaisha ToshibaInventors: Tomoko SUGIZAKI, Shintaro ENOMOTO, Akio AMANO, Tomio ONO, Yasushi SHINJO, Yukitami MIZUNO, Keiji SUGI, Tomoaki SAWABE, Toshiya YONEHARA, Daimotsu KATO
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Publication number: 20130250214Abstract: According to one embodiment, an organic electroluminescent device includes a first electrode, a second electrode, an organic light emitting layer and an optical layer. The first electrode has a first major surface and a second major surface opposite to the first major surface and is light transmissive. The second electrode faces a portion of the first major surface. The organic light emitting layer is provided between the first electrode and the second electrode. The organic light emitting layer and the first electrode are disposed between the optical layer and the second electrode. The optical layer is able to transit between a first state where a traveling direction of light emitted from the organic light emitting layer is changed and a second state having a smaller degree of the change in the traveling direction of the light than the first state.Type: ApplicationFiled: December 20, 2012Publication date: September 26, 2013Inventors: KEIJI SUGI, SHINTARO ENOMOTO, TOMIO ONO, TOMOAKI SAWABE, YASUSHI SHINJO, YUKITAMI MIZUNO, AKIO AMANO, TOMOKO SUGIZAKI, TOSHIYA YONEHARA, DAIMOTSU KATO
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Patent number: 8462190Abstract: Provided is a voice communication device for carrying out voice communication among a plurality of locations, including: a sound source direction identification block for identifying a direction of a sound source; a voice sender block for sending the collected voice to a different location; a voice receiver block for receiving a voice from a different location; a player block for playing the received voice; a playing information setting block for setting playing information for the voice being played; a speaker volume storage block for acquiring the direction of the sound source for which the playing information is set from the sound source direction identification block and storing the direction of the sound source in association with the playing information; and a voice manipulating block for acquiring the playing information corresponding to the direction of the sound source of the voice and manipulating the voice based on the playing information.Type: GrantFiled: July 9, 2008Date of Patent: June 11, 2013Assignee: Hitachi, Ltd.Inventors: Masahito Togami, Akio Amano
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Patent number: 8368129Abstract: According to one embodiment, an illumination device includes an anode, a metal layer, a cathode, an organic electroluminescent unit, first and second insulating layers, and a plurality of conductive piercing layers. The metal layer has an electrical resistance lower than that of the anode. The cathode is provided between the anode and the metal layer. The organic electroluminescent unit is provided between the anode and the cathode. The first insulating layer is provided between the cathode and the metal layer. The conductive piercing layers pierce the organic electroluminescent unit, the cathode, and the first insulating layer along a direction from the anode toward the metal layer to electrically connect the anode to the metal layer, and are separate entities from the metal layer. The second insulating layer is provided between the organic electroluminescent unit and the conductive piercing layers and between the cathode and the conductive piercing layers.Type: GrantFiled: September 3, 2010Date of Patent: February 5, 2013Assignee: Kabushiki Kaisha ToshibaInventors: Tomio Ono, Shintaro Enomoto, Yasushi Shinjiyo, Taeko Urano, Akio Amano, Keiji Sugi, Tomoaki Sawabe
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Publication number: 20120299482Abstract: According to one embodiment, there is provided a light emitting device including an organic electroluminescent device that includes a first electrode, a light emitting layer arranged above the first electrode, and a second electrode arranged above the light emitting layer, a drive circuit that supplies a drive current between the first electrode and the second electrode to drive the organic electroluminescent device, and a drive stop circuit that stops the driving of the organic electroluminescent device when a value of the drive current falls below a predetermined value.Type: ApplicationFiled: May 25, 2012Publication date: November 29, 2012Applicants: Toshiba Lighting & Techonology Corporation, Kabushiki Kaisha ToshibaInventors: Keiji SUGI, Tomoaki Sawabe, Toshiya Yonehara, Tomio Ono, Shintaro Enomoto, Tomoko Sugizaki, Daimotsu Kato, Akio Amano, Nobuo Shibuya, Hirokazu Otake, Keitaro Takasaka
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Publication number: 20120235127Abstract: According to one embodiment, there is provided an organic light-emitting diode including an anode and a cathode which are arranged apart from each other, an emissive layer arranged between the anode and the cathode including a blue emissive layer located at the anode side and a green and red emissive layer located at the cathode side, the blue emissive layer containing a host material and a blue fluorescent dopant, and the green and red emissive layer containing a host material and a green phosphorescent dopant and/or a red phosphorescent dopant.Type: ApplicationFiled: March 16, 2012Publication date: September 20, 2012Inventors: Isao TAKASU, Keiji Sugi, Tomoaki Sawabe, Akio Amano, Jiro Yoshida, Tomio Ono, Shintaro Enomoto
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Publication number: 20120228585Abstract: According to one embodiment, there is provided an organic light-emitting diode including an anode and a cathode which are arranged apart from each other, and an emissive layer interposed between the anode and the cathode and including a host material and an emitting dopant. The host material includes a polymer containing dibenzothiophene backbones represented by the following formula (1) as repeating units: wherein n is an integer of from 20 to 10,000.Type: ApplicationFiled: September 2, 2011Publication date: September 13, 2012Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yukitami Mizuno, Isao Amemiya, Akiko Hirao, Isao Takasu, Tomoko Sugizaki, Akio Amano, Yasushi Shinjo, Tomoaki Sawabe, Shintaro Enomoto
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Publication number: 20120075278Abstract: According to one embodiment, an organic EL display includes a substrate and a pixel. The pixel is disposed on the substrate and includes a first color displaying portion and a second color displaying portion. The first color displaying portion has a first organic light emitting layer. The second color displaying portion has a second organic light emitting layer having an emission spectrum different from an emission spectrum of the first organic light emitting layer. The first color displaying portion has two sub-pixels. One of the two sub-pixels has a color filter.Type: ApplicationFiled: March 23, 2011Publication date: March 29, 2012Applicant: Kabushiki Kaisha ToshibaInventors: Yujiro HARA, Keiji SUGI, Nobuyoshi SAITO, Tomio ONO, Akio AMANO, Yukitami MIZUNO
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Patent number: 8107807Abstract: A lighting device including a substrate, and at least three light emitting elements mounted on the substrate, each having an upper light emitting surface in rectangular shape and side light emitting surfaces in rectangular shape. The light emitting elements are positioned to surround a light-gathering region where the light emitting elements are not located, and one of the side light emitting surfaces of each light emitting element is directed to face approximately a central portion of the light-gathering region.Type: GrantFiled: March 22, 2007Date of Patent: January 31, 2012Assignee: Kabushiki Kaisha ToshibaInventors: Hiroki Iwanaga, Akio Amano, Kenji Shimomura, Kazuaki Ootsuka, Hideto Furuyama
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Patent number: 8080173Abstract: The present invention provides a fluorescent substance excellent in emission intensity and in emission efficiency. The substance can be excited by light at a longer wavelength than ever. The present invention also provides a luminous composition comprising the fluorescent substance and a light-emitting element using the substance. The fluorescent substance comprises a rare earth metal and a phosphine oxide ligand which coordinates to said rare earth metal and said ligand containing at least one siloxane bond in its structure. The fluorescent substance can be produced from a reaction between a compound having a siloxane bond and a rare earth complex coordinated by a phosphine oxide ligand. The luminous composition comprises the fluorescent substance.Type: GrantFiled: July 23, 2008Date of Patent: December 20, 2011Assignee: Kabushiki Kaisha ToshibaInventors: Takahiro Sato, Hiroki Iwanaga, Akio Amano, Shinji Murai