Patents by Inventor Tomohisa Gotoh
Tomohisa Gotoh 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: 20180285995Abstract: The present invention provides an information processing device and the like capable of facilitating confirmation of a claim structure even when the number of claims is large. The information processing device includes subordinate relationship extraction means for extracting a claim number and a subordinate relationship between claims from claim data including a plurality of claims; and relationship diagram generation means for generating, based on the subordinate relationship between claims, a relationship diagram in which the claim number is disposed on or in a periphery of circularly-arranged points or a circling line.Type: ApplicationFiled: September 23, 2016Publication date: October 4, 2018Applicant: NEC Patent Service,Ltd.Inventors: Tomohisa GOTOH, Yukiko MORIOKA, Hirotaka HOKKYO, Mikio ODA, Yuji NAKAGAWA
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Patent number: 7811947Abstract: The present invention relates to an optical substrate comprising a transparent substrate, a low refractive index layer, whose refractive index is lower than that of the transparent substrate, disposed over the transparent substrate, and a solgel film disposed over the low refractive index layer; a light emitting element having a first electrode, a light emitting layer and a second electrode over the solgel film of this optical substrate; and a display device provided with this light emitting element.Type: GrantFiled: March 25, 2008Date of Patent: October 12, 2010Assignee: NEC CorporationInventors: Koji Shigemura, Tomohisa Gotoh, Hironori Imura
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Publication number: 20100151608Abstract: Disclosed is a method of manufacturing a substrate for an organic EL device, the method comprising the step of: filling grooves of the optical element with sol-gel coating solution or organic metal cracking solution when a diffraction grating 12 is formed on the glass substrate 11, wherein an encapsulation member 5 is mounted to the glass substrate 11 in order to fill the groove 12a with the coating solution, and the coating solution is injected into a gap between the encapsulation member 5 and the diffraction grating 12, so that the organic EL device can be stably manufactured with low variation between optical properties according to positions of the substrate and with improved luminous efficiency.Type: ApplicationFiled: February 25, 2010Publication date: June 17, 2010Applicant: Samsung Mobile Display Co., Ltd.Inventors: Yasuharu ONISHI, Satoru Toguchi, Junichi Yamanari, Hitoshi Ishikawa, Tomohisa Gotoh, Atsushi Kamijo
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Patent number: 7695757Abstract: Disclosed is a method of manufacturing a substrate for an organic EL device, the method comprising the step of: filling grooves of the optical element with sol-gel coating solution or organic metal cracking solution when a diffraction grating 12 is formed on the glass substrate 11, wherein an encapsulation member 5 is mounted to the glass substrate 11 in order to fill the groove 12a with the coating solution, and the coating solution is injected into a gap between the encapsulation member 5 and the diffraction grating 12, so that the organic EL device can be stably manufactured with low variation between optical properties according to positions of the substrate and with improved luminous efficiency.Type: GrantFiled: May 7, 2004Date of Patent: April 13, 2010Assignee: Samsung Mobile Display Co., Ltd.Inventors: Yasuharu Onishi, Satoru Toguchi, Junichi Yamanari, Hitoshi Ishikawa, Tomohisa Gotoh, Atsushi Kamijo
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Patent number: 7638797Abstract: Provided is a substrate for a light-emitting device having good light emitting efficiency and light-emitting device using the substrate. A light transparent substrate 10 is layered with a first layer 30 having a refractive index higher than that of the light transparent substrate 10 and a second layer 40 having a refractive index lower than that of the first layer. The refractive index of the first layer 30 is set to be 1.35 times as high as that of the second layer 40. With this layer structure, in an emitting layer of the light-emitting device, a wave front of a spherical wave form exited from a point light source in the front direction is converted into that of a plane wave form, and exited outside the substrate at a high efficiency.Type: GrantFiled: May 20, 2008Date of Patent: December 29, 2009Assignee: Samsung Mobile Display Co., Ltd.Inventors: Tomohisa Gotoh, Noriko Takewaki, Hisanao Tsuge, Atsushi Kamijo, Satoru Toguchi
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Patent number: 7619357Abstract: The present invention relates to an organic electroluminescent device. There is provided an organic electroluminescent device with a good luminescence property and high luminous efficiency in which the organic electroluminescent device has a diffraction grating 2 on the surface of the substrate 1 and an organic EL layer 5 including an emission layer between an anode 4 an a cathode 6 via an intermediate layer 3.Type: GrantFiled: May 24, 2004Date of Patent: November 17, 2009Assignee: Samsung Mobile Display Co., Ltd.Inventors: Yasuharu Onishi, Satoru Toguchi, Junichi Yamanari, Hitoshi Ishikawa, Tomohisa Gotoh, Atsushi Kamijo
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Publication number: 20080265245Abstract: Provided is a substrate for a light-emitting device having good light emitting efficiency and light-emitting device using the substrate. A light transparent substrate 10 is layered with a first layer 30 having a refractive index higher than that of the light transparent substrate 10 and a second layer 40 having a refractive index lower than that of the first layer. The refractive index of the first layer 30 is set to be 1.35 times as high as that of the second layer 40. With this layer structure, in an emitting layer of the light-emitting device, a wave front of a spherical wave form exited from a point light source in the front direction is converted into that of a plane wave form, and exited outside the substrate at a high efficiency.Type: ApplicationFiled: May 20, 2008Publication date: October 30, 2008Applicant: SAMSUNG SDI CO., LTD.Inventors: Tomohisa GOTOH, Noriko TAKEWAKI, Hisanao TSUGE, Atsushi KAMIJO, Satoru TOGUCHI
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Publication number: 20080220554Abstract: The present invention relates to an optical substrate comprising a transparent substrate a low refractive index layer, whose refractive index is lower than that of the transparent substrate, disposed over the transparent substrate, and a solgel film disposed over the low refractive index layer; a light emitting element having a first electrode, a light emitting layer and a second electrode over the solgel film of this optical substrate; and a display device provided with this light emitting element.Type: ApplicationFiled: March 25, 2008Publication date: September 11, 2008Applicant: NEC CorporationInventors: Koji Shigemura, Tomohisa Gotoh, Hironori Imura
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Patent number: 7391048Abstract: Provided is a substrate for a light-emitting device having good light emitting efficiency and light-emitting device using the substrate. A light transparent substrate 10 is layered with a first layer 30 having a refractive index higher than that of the light transparent substrate 10 and a s second layer 40 having a refractive index lower than that of the first layer. The refractive index of the first layer 30 is set to be 1.35 times as high as that of the second layer 40. With this layer structure, in an emitting layer of the light-emitting device, a wave front of a spherical wave form exited from a point light source in the front direction is converted into that of a plane wave form, and exited outside the substrate at a high efficiency.Type: GrantFiled: June 7, 2004Date of Patent: June 24, 2008Assignee: Samsung SDI Co., Ltd.Inventors: Tomohisa Gotoh, Noriko Takewaki, Hisanao Tsuge, Atsushi Kamijo, Satoru Toguchi
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Patent number: 7372075Abstract: The present invention relates to an optical substrate comprising a transparent substrate, a low refractive index layer, whose refractive index is lower than that of the transparent substrate, disposed over the transparent substrate, and a solgel film disposed over the low refractive index layer; a light emitting element having a first electrode, a light emitting layer and a second electrode over the solgel film of this optical substrate; and a display device provided with this light emitting element.Type: GrantFiled: June 30, 2005Date of Patent: May 13, 2008Assignee: NEC CorporationInventors: Koji Shigemura, Tomohisa Gotoh, Hironori Imura
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Patent number: 7345419Abstract: The present invention uses a substrate for an optical element comprising a light scattering unit that scatters visible light, and a light transmissive opening that transmits the visible light in a light transparent substrate transmitting the visible light, as a light extraction substrate of the organic electroluminescence element. With this, a substrate for an optical element, an organic electroluminescence element, and an organic electroluminescence display device are provided that improves the light extraction efficiency to outside of the substrate and also improves the light extraction efficiency by obtaining a high luminance organic electroluminescence element.Type: GrantFiled: July 28, 2004Date of Patent: March 18, 2008Assignee: Samsung SDI Co., Ltd.Inventors: Tomohisa Gotoh, Satoru Toguchi, Atsushi Kamijo, Yasuharu Onishi, Hitoshi Ishikawa, Junichi Yamanari
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Patent number: 7180235Abstract: A first layer having a refractive index higher than that of a light transparent substrate is formed on the light transparent substrate, and a second layer having a refractive index higher than that of the first layer is formed on the first layer, and an electrode layer having a refractive index higher than that of the second layer is formed on the second layer in accordance with the present invention. By means of this configuration, a spherical-wave-shaped wavefront emitted from a point light source of an emission layer of a light-emitting device to all directions, is converted to a plane-wave-shaped wavefront within the substrate, which allows the light to be effectively emitted outside the substrate, so that a light-emitting device substrate having good light extraction efficiency and a light-emitting device using the same may be provided.Type: GrantFiled: August 12, 2004Date of Patent: February 20, 2007Assignee: Samsung SDI Co., Ltd.Inventors: Tomohisa Gotoh, Noriko Takewaki, Hisanao Tsuge, Atsushi Kamijo, Satoru Toguchi
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Publication number: 20060012901Abstract: The present invention relates to an optical substrate comprising a transparent substrate, a low refractive index layer, whose refractive index is lower than that of the transparent substrate, disposed over the transparent substrate, and a solgel film disposed over the low refractive index layer; a light emitting element having a first electrode, a light emitting layer and a second electrode over the solgel film of this optical substrate; and a display device provided with this light emitting element.Type: ApplicationFiled: June 30, 2005Publication date: January 19, 2006Applicant: NEC CorporationInventors: Koji Shigemura, Tomohisa Gotoh, Hironori Imura
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Publication number: 20050077820Abstract: The present invention relates to an organic electroluminescent device. There is provided an organic electroluminescent device with a good luminescence property and high luminous efficiency in which the organic electroluminescent device has a diffraction grating 2 on the surface of the substrate 1 and an organic EL layer 5 including an emission layer between an anode 4 an a cathode 6 via an intermediate layer 3.Type: ApplicationFiled: May 24, 2004Publication date: April 14, 2005Inventors: Yasuharu Onishi, Satoru Toguchi, Junichi Yamanari, Hitoshi Ishikawa, Tomohisa Gotoh, Atsushi Kamijo
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Publication number: 20050062399Abstract: A first layer having a refractive index higher than that of a light transparent substrate is formed on the light transparent substrate, and a second layer having a refractive index higher than that of the first layer is formed on the first layer, and an electrode layer having a refractive index higher than that of the second layer is formed on the second layer in accordance with the present invention. By means of this configuration, a spherical-wave-shaped wavefront emitted from a point light source of an emission layer of a light-emitting device to all directions, is converted to a plane-wave-shaped wavefront within the substrate, which allows the light to be effectively emitted outside the substrate, so that a light-emitting device substrate having good light extraction efficiency and a light-emitting device using the same may be provided.Type: ApplicationFiled: August 12, 2004Publication date: March 24, 2005Inventors: Tomohisa Gotoh, Noriko Takewaki, Hisanao Tsuge, Atsushi Kamijo, Satoru Toguchi
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Publication number: 20050051791Abstract: Provided is a substrate for a light-emitting device having good light emitting efficiency and light-emitting device using the substrate. A light transparent substrate 10 is layered with a first layer 30 having a refractive index higher than that of the light transparent substrate 10 and a s second layer 40 having a refractive index lower than that of the first layer. The refractive index of the first layer 30 is set to be 1.35 times as high as that of the second layer 40. With this layer structure, in an emitting layer of the light-emitting device, a wave front of a spherical wave form exited from a point light source in the front direction is converted into that of a plane wave form, and exited outside the substrate at a high efficiency.Type: ApplicationFiled: June 7, 2004Publication date: March 10, 2005Inventors: Tomohisa Gotoh, Noriko Takewaki, Hisanao Tsuge, Atsushi Kamijo, Satoru Toguchi
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Publication number: 20050023967Abstract: The present invention uses a substrate for an optical element comprising a light scattering unit that scatters visible light, and a light transmissive opening that transmits the visible light in a light transparent substrate transmitting the visible light, as a light extraction substrate of the organic electroluminescence element. With this, a substrate for an optical element, an organic electroluminescence element, and an organic electroluminescence display device are provided that improves the light extraction efficiency to outside of the substrate and also improves the light extraction efficiency by obtaining a high luminance organic electroluminescence element.Type: ApplicationFiled: July 28, 2004Publication date: February 3, 2005Inventors: Tomohisa Gotoh, Satoru Toguchi, Atsushi Kamijo, Yasuharu Onishi, Hitoshi Ishikawa, Junichi Yamanari
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Publication number: 20050008768Abstract: Disclosed is a method of manufacturing a substrate for an organic EL device, the method comprising the step of: filling grooves of the optical element with sol-gel coating solution or organic metal cracking solution when a diffraction grating 12 is formed on the glass substrate 11, wherein an encapsulation member 5 is mounted to the glass substrate 11 in order to fill the groove 12a with the coating solution, and the coating solution is injected into a gap between the encapsulation member 5 and the diffraction grating 12, so that the organic EL device can be stably manufactured with low variation between optical properties according to positions of the substrate and with improved luminous efficiency.Type: ApplicationFiled: May 7, 2004Publication date: January 13, 2005Inventors: Yasuharu Onishi, Satoru Toguchi, Junichi Yamanari, Hitoshi Ishikawa, Tomohisa Gotoh, Atsushi Kamijo
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Patent number: 5674576Abstract: In a liquid crystalline optical device, a light modulating layer composed of a liquid crystal and a high polymer resin is sandwiched between two substrates having electrode layers, at least one of the substrates being transparent. The polymer is a compound which is obtained by photopolymerization of a prepolymer containing a (meth)acryloyl compound having a stilbene skeleton, or a (meth)acryloyl compound including dioxane group or dioxolane group. The liquid crystalline optical device can be driven with a lower applied voltage and exhibits a reduced hysteresis.Type: GrantFiled: September 12, 1995Date of Patent: October 7, 1997Assignee: NEC CorporationInventors: Tomohisa Gotoh, Taisaku Nakata, Hideya Murai, Etsuo Hasegawa
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Patent number: 5409744Abstract: A polymer dispersed liquid crystal optical device has two substrate each having an electrode layer. At least one of the substrates is transparent. An ultraviolet-cured product, such as a polymer material and a liquid crystal material, are sandwiched between the substrates and the respective electrode layers. The ultraviolet-cured product is made of an ultraviolet-curable fluorine-containing acrylate or epoxy series compound having the following formula.Type: GrantFiled: September 16, 1993Date of Patent: April 25, 1995Assignee: NEC CorporationInventors: Tomohisa Gotoh, Hideya Murai, Taisaku Nakata