Patents by Inventor Kazuki KASHIMOTO
Kazuki KASHIMOTO 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: 10665754Abstract: A side-view type light emitting device has a bottom surface thereof as a light emission surface and a first lateral surface thereof as a mounting surface for mounting on a mounting substrate, and includes a semiconductor layered structure including a first semiconductor layer, an active layer and a second semiconductor layer; a first connecting electrode exposed from the first lateral surface and electrically connected to the first semiconductor layer; a first electrode disposed between the first semiconductor layer and the first connecting electrode; a second connecting electrode exposed from the first lateral surface; a metal wire electrically connecting an upper surface of the second semiconductor layer to the second connecting electrode; and a resin layer. In a direction perpendicular to the light emission surface, the active layer does not overlap with the first connecting electrode, and the active layer does not overlap with the second connecting electrode.Type: GrantFiled: June 5, 2017Date of Patent: May 26, 2020Assignee: NICHIA CORPORATIONInventors: Akinori Yoneda, Yoshiyuki Aihara, Shinji Nakamura, Akiyoshi Kinouchi, Kazuki Kashimoto, Kazuyuki Akaishi
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Patent number: 10396249Abstract: A semiconductor light emitting element having: a semiconductor laminated body; a full surface electrode containing an Ag provided on an upper surface of the p-type semiconductor layer; a cover electrode that covers a surface of the full surface electrode, is provided to contact on the upper surface of the p-type semiconductor layer at an outer edge of the full surface electrode, and is made of an Al-based metal material; a p-side electrode that is provided on a portion of a surface of the cover electrode; a metal oxide film that covers other surfaces of the cover electrode and contains an oxide of a metal material forming the cover electrode; and an insulation film that is made of an oxide and covers a surface of the metal oxide film, is provided.Type: GrantFiled: December 13, 2017Date of Patent: August 27, 2019Assignee: NICHIA CORPORATIONInventors: Hirofumi Kawaguchi, Akinori Yoneda, Hisashi Kasai, Kazuki Kashimoto, Masafumi Itasaka
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Publication number: 20180102460Abstract: A semiconductor light emitting element having: a semiconductor laminated body; a full surface electrode containing an Ag provided on an upper surface of the p-type semiconductor layer; a cover electrode that covers a surface of the full surface electrode, is provided to contact on the upper surface of the p-type semiconductor layer at an outer edge of the full surface electrode, and is made of an Al-based metal material; a p-side electrode that is provided on a portion of a surface of the cover electrode; a metal oxide film that covers other surfaces of the cover electrode and contains an oxide of a metal material forming the cover electrode; and an insulation film that is made of an oxide and covers a surface of the metal oxide film, is provided.Type: ApplicationFiled: December 13, 2017Publication date: April 12, 2018Inventors: Hirofumi KAWAGUCHI, Akinori YONEDA, Hisashi KASAI, Kazuki KASHIMOTO, Masafumi ITASAKA
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Patent number: 9876147Abstract: A semiconductor light emitting element having: a semiconductor laminated body; a full surface electrode containing an Ag provided on an upper surface of the p-type semiconductor layer; a cover electrode that covers a surface of the full surface electrode, is provided to contact on the upper surface of the p-type semiconductor layer at an outer edge of the full surface electrode, and is made of an Al-based metal material; a p-side electrode that is provided on a portion of a surface of the cover electrode; a metal oxide film that covers other surfaces of the cover electrode and contains an oxide of a metal material forming the cover electrode; and an insulation film that is made of an oxide and covers a surface of the metal oxide film, is provided.Type: GrantFiled: June 3, 2016Date of Patent: January 23, 2018Assignee: NICHIA CORPORATIONInventors: Hirofumi Kawaguchi, Akinori Yoneda, Hisashi Kasai, Kazuki Kashimoto, Masafumi Itasaka
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Publication number: 20170271559Abstract: A side-view type light emitting device has a bottom surface thereof as a light emission surface and a first lateral surface thereof as a mounting surface for mounting on a mounting substrate, and includes a semiconductor layered structure including a first semiconductor layer, an active layer and a second semiconductor layer; a first connecting electrode exposed from the first lateral surface and electrically connected to the first semiconductor layer; a first electrode disposed between the first semiconductor layer and the first connecting electrode; a second connecting electrode exposed from the first lateral surface; a metal wire electrically connecting an upper surface of the second semiconductor layer to the second connecting electrode; and a resin layer. In a direction perpendicular to the light emission surface, the active layer does not overlap with the first connecting electrode, and the active layer does not overlap with the second connecting electrode.Type: ApplicationFiled: June 5, 2017Publication date: September 21, 2017Applicant: NICHIA CORPORATIONInventors: Akinori YONEDA, Yoshiyuki AIHARA, Shinji NAKAMURA, Akiyoshi KINOUCHI, Kazuki KASHIMOTO, Kazuyuki AKAISHI
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Patent number: 9698307Abstract: A side-view type light emitting device having a bottom surface thereof as a light emission surface and one side surface thereof as amounting surface for mounting on amounting substrate includes a stacked semiconductor layer having a first semiconductor layer, an active layer, and a second semiconductor layer which are stacked in that order from a side of the bottom surface; a first connecting electrode exposed from the one side surface and electrically connected to the first semiconductor layer; a metal wire having one end thereof electrically connected to an upper surface of the second semiconductor layer; a second connecting electrode exposed from the one side surface and electrically connected to the other end of the metal wire; and a resin layer which covers at least a part of each of the first semiconductor layer, the second semiconductor layer, the first connecting electrode, the second connecting electrode and the metal wire and which is configured to form an upper surface and side surfaces of the lighType: GrantFiled: September 4, 2014Date of Patent: July 4, 2017Assignee: NICHIA CORPORATIONInventors: Akinori Yoneda, Yoshiyuki Aihara, Shinji Nakamura, Akiyoshi Kinouchi, Kazuki Kashimoto, Kazuyuki Akaishi
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Patent number: 9601668Abstract: A light emitting device has a plurality of light emitting elements that are arranged with gaps between the devices on a mounting board in a first direction, a wavelength-conversion member that covers the plurality of light emitting elements, a light reflective resin. Each light emitting element has an n-type semiconductor layer, an active layer provided in a part of the n-type semiconductor layer, and a p-type semiconductor layer provided on the active layer. In a second direction which is perpendicular to the first direction, an n-side electrodes are provided at least in regions at both ends of the n-type semiconductor layer, and a p-side electrode is provided on the surface of the p-type semiconductor layer, and wherein in the second direction, the wavelength-conversion member is positioned to approximately align both sides with both active layer side faces, or to dispose its sides outward of the active layer side faces.Type: GrantFiled: October 28, 2015Date of Patent: March 21, 2017Assignee: NICHIA CORPORATIONInventors: Hirofumi Kawaguchi, Akinori Yoneda, Kazuki Kashimoto
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Patent number: 9553238Abstract: A method of manufacturing a semiconductor light emitting element includes forming a semiconductor stacked layer body on a substrate, the semiconductor stacked layer body including a first semiconductor layer and a second semiconductor layer; removing a portion of the semiconductor stacked layer body and exposing the first semiconductor layer such that the second semiconductor layer includes an extending portion that extends in a plane direction; forming a conductor layer electrically connecting the first semiconductor layer and the extending portion of the second semiconductor layer; forming a first electrode electrically connected to the first semiconductor layer and a second electrode electrically connected to the second semiconductor layer; forming a protective film covering at least a portion of the first electrode and at least a portion of the second electrode; and after forming the protective film, removing a portion of the exposed portion of the extending portion.Type: GrantFiled: November 20, 2015Date of Patent: January 24, 2017Assignee: NICHIA CORPORATIONInventors: Kazuki Kashimoto, Masafumi Itasaka, Hisashi Kasai, Naoki Azuma
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Patent number: 9461210Abstract: A light emitting element includes a semiconductor stacked layer body having an n-type semiconductor layer, an active layer, and a p-type semiconductor layer in this order, and a plurality of exposed portions defined at an upper surface side of the semiconductor stacked layer body, the plurality of exposed portions respectively exposing a part of the n-type semiconductor layer, a p-side electrode arranged in a first region and electrically connected with an upper surface of the p-type semiconductor layer and, arranged at one corner above the p-type semiconductor layer in a plan view, and an n-side electrode electrically integrally connected to the plurality of exposed portions and arranged in a different region in a plan view.Type: GrantFiled: March 26, 2015Date of Patent: October 4, 2016Assignee: NICHIA CORPORATIONInventors: Koichi Takenaga, Hirofumi Kawaguchi, Kazuki Kashimoto
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Publication number: 20160284940Abstract: A semiconductor light emitting element having: a semiconductor laminated body; a full surface electrode containing an Ag provided on an upper surface of the p-type semiconductor layer; a cover electrode that covers a surface of the full surface electrode, is provided to contact on the upper surface of the p-type semiconductor layer at an outer edge of the full surface electrode, and is made of an Al-based metal material; a p-side electrode that is provided on a portion of a surface of the cover electrode; a metal oxide film that covers other surfaces of the cover electrode and contains an oxide of a metal material forming the cover electrode; and an insulation film that is made of an oxide and covers a surface of the metal oxide film, is provided.Type: ApplicationFiled: June 3, 2016Publication date: September 29, 2016Inventors: Hirofumi KAWAGUCHI, Akinori YONEDA, Hisashi KASAI, Kazuki KASHIMOTO, Masafumi ITASAKA
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Patent number: 9385280Abstract: A semiconductor light emitting element having: a semiconductor laminated body; a full surface electrode containing an Ag provided on an upper surface of the p-type semiconductor layer; a cover electrode that covers a surface of the full surface electrode, is provided to contact on the upper surface of the p-type semiconductor layer at an outer edge of the full surface electrode, and is made of an Al-based metal material; a p-side electrode that is provided on a portion of a surface of the cover electrode; a metal oxide film that covers other surfaces of the cover electrode and contains an oxide of a metal material forming the cover electrode; and an insulation film that is made of an oxide and covers a surface of the metal oxide film, is provided.Type: GrantFiled: May 16, 2014Date of Patent: July 5, 2016Assignee: NICHIA CORPORATIONInventors: Hirofumi Kawaguchi, Akinori Yoneda, Hisashi Kasai, Kazuki Kashimoto, Masafumi Itasaka
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Publication number: 20160149085Abstract: A method of manufacturing a semiconductor light emitting element includes forming a semiconductor stacked layer body on a substrate, the semiconductor stacked layer body including a first semiconductor layer and a second semiconductor layer; removing a portion of the semiconductor stacked layer body and exposing the first semiconductor layer such that the second semiconductor layer includes an extending portion that extends in a plane direction; forming a conductor layer electrically connecting the first semiconductor layer and the extending portion of the second semiconductor layer; forming a first electrode electrically connected to the first semiconductor layer and a second electrode electrically connected to the second semiconductor layer; forming a protective film covering at least a portion of the first electrode and at least a portion of the second electrode; and after forming the protective film, removing a portion of the exposed portion of the extending portion.Type: ApplicationFiled: November 20, 2015Publication date: May 26, 2016Applicant: NICHIA CORPORATIONInventors: Kazuki KASHIMOTO, Masafumi ITASAKA, Hisashi KASAI, Naoki AZUMA
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Publication number: 20160118548Abstract: A light emitting device has a plurality of light emitting elements that are arranged with gaps between the devices on a mounting board in a first direction, a wavelength-conversion member that covers the plurality of light emitting elements, a light reflective resin. Each light emitting element has an n-type semiconductor layer, an active layer provided in a part of the n-type semiconductor layer, and a p-type semiconductor layer provided on the active layer. In a second direction which is perpendicular to the first direction, an n-side electrodes are provided at least in regions at both ends of the n-type semiconductor layer, and a p-side electrode is provided on the surface of the p-type semiconductor layer, and wherein in the second direction, the wavelength-conversion member is positioned to approximately align both sides with both active layer side faces, or to dispose its sides outward of the active layer side faces.Type: ApplicationFiled: October 28, 2015Publication date: April 28, 2016Applicant: NICHIA CORPORATIONInventors: Hirofumi KAWAGUCHI, Akinori YONEDA, Kazuki KASHIMOTO
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Publication number: 20150280071Abstract: A light emitting element includes a semiconductor stacked layer body having an n-type semiconductor layer, an active layer, and a p-type semiconductor layer in this order, and a plurality of exposed portions defined at an upper surface side of the semiconductor stacked layer body, the plurality of exposed portions respectively exposing a part of the n-type semiconductor layer, a p-side electrode arranged in a first region and electrically connected with an upper surface of the p-type semiconductor layer and, arranged at one corner above the p-type semiconductor layer in a plan view, and an n-side electrode electrically integrally connected to the plurality of exposed portions and arranged in a different region in a plan view.Type: ApplicationFiled: March 26, 2015Publication date: October 1, 2015Inventors: Koichi TAKENAGA, Hirofumi KAWAGUCHI, Kazuki KASHIMOTO
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Publication number: 20150060934Abstract: A side-view type light emitting device having a bottom surface thereof as a light emission surface and one side surface thereof as amounting surface for mounting on amounting substrate includes a stacked semiconductor layer having a first semiconductor layer, an active layer, and a second semiconductor layer which are stacked in that order from a side of the bottom surface; a first connecting electrode exposed from the one side surface and electrically connected to the first semiconductor layer; a metal wire having one end thereof electrically connected to an upper surface of the second semiconductor layer; a second connecting electrode exposed from the one side surface and electrically connected to the other end of the metal wire; and a resin layer which covers at least a part of each of the first semiconductor layer, the second semiconductor layer, the first connecting electrode, the second connecting electrode and the metal wire and which is configured to form an upper surface and side surfaces of the lighType: ApplicationFiled: September 4, 2014Publication date: March 5, 2015Inventors: Akinori YONEDA, Yoshiyuki AIHARA, Shinji NAKAMURA, Akiyoshi KINOUCHI, Kazuki KASHIMOTO, Kazuyuki AKAISHI
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Publication number: 20140339587Abstract: A semiconductor light emitting element having: a semiconductor laminated body; a full surface electrode containing an Ag provided on an upper surface of the p-type semiconductor layer; a cover electrode that covers a surface of the full surface electrode, is provided to contact on the upper surface of the p-type semiconductor layer at an outer edge of the full surface electrode, and is made of an Al-based metal material; a p-side electrode that is provided on a portion of a surface of the cover electrode; a metal oxide film that covers other surfaces of the cover electrode and contains an oxide of a metal material forming the cover electrode; and an insulation film that is made of an oxide and covers a surface of the metal oxide film, is provided.Type: ApplicationFiled: May 16, 2014Publication date: November 20, 2014Applicant: NICHIA CORPORATIONInventors: Hirofumi KAWAGUCHI, Akinori YONEDA, Hisashi KASAI, Kazuki KASHIMOTO, Masafumi ITASAKA