Patents by Inventor Tomohiro Sanpei
Tomohiro Sanpei 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: 20140322841Abstract: According to an aspect of the invention, there is provided a light emitting element module substrate including: a laminated plate; and a metal layer. The laminated plate includes a base metal plate and an insulating layer provided on the base metal plate. The metal layer is provided on the insulating layer. The metal layer includes a mounting section on which a light emitting element is to be mounted, and a bonding section to which a wiring electrically connected to the light emitting element is to be bonded. The metal layer includes a silver layer which is an uppermost layer of at least one of the mounting section and the bonding section and is formed by electrolytic plating. The mounting section and the bonding section are electrically isolated from a periphery of the laminated plate.Type: ApplicationFiled: July 11, 2014Publication date: October 30, 2014Applicants: Kabushiki Kaisha Toshiba, Toshiba Lighting & Technology CorporationInventors: Akihiko HAPPOYA, Masahiro Izumi, Tomohiro Sanpei
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Patent number: 8783914Abstract: A light emitting apparatus comprising a light reflecting surface made of a metal, a light emitting element which has an electrode and is mounted on the light reflecting surface, and a sealing member which covers the light reflecting surface and the light emitting element. The sealing member has translucency and oxygen gas permeability of 40000 cc/m2·day or below.Type: GrantFiled: March 29, 2010Date of Patent: July 22, 2014Assignee: Toshiba Lighting & Technology CorporationInventors: Tomohiro Sanpei, Erika Takenaka
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Patent number: 8773612Abstract: A light emitting module (1) comprises a module substrate (2), a light emitting diode string (31), and a sealing member (48). The light emitting diode string (31) includes light emitting diode elements (32) and bonding wires (37) which connect the light emitting diode elements (32). The light emitting diode element (32) has a pair of element electrodes (33, 34) and has a rectangular shape extending in a direction along which the element electrodes (33, 34) are aligned. The sealing member (48) is laminated on the module substrate (2) to seal the light emitting diode string (31). The light emitting diode elements (32) are arranged at intervals in a direction crossing the direction along which the element electrodes (33, 34) are aligned, and the element electrodes (33, 34) with the same polarity are aligned to be adjacent to each other in an arrangement direction of the light emitting diode elements (32) between the light emitting diode elements (32) adjacent to each other.Type: GrantFiled: February 26, 2010Date of Patent: July 8, 2014Assignee: Toshiba Lighting & Technology CorporationInventors: Tomohiro Sanpei, Kiyoshi Otani, Masahiro Izumi, Junya Murata, Akiko Saito, Yumiko Hayashida
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Patent number: 8760042Abstract: A lighting device and a lighting fixture of the embodiment of the present invention comprises a thermally conductive main body having a substrate support portion in one end portion, and having a through-hole and a groove portion formed in the substrate support portion, the through-hole penetrating from the one end portion to the other end portion of the main body, the groove portion extending continuously from the through-hole, a substrate mounted with a semiconductor light-emitting device, and disposed on the substrate support portion, an electrical connector connected to the semiconductor light-emitting device, a power supply device housed in the main body and configured to light the semiconductor light-emitting device, a wire connected to the power supply device and to the electrical connector while being inserted through the through-hole and the groove portion, and a base member provided in the other end portion of the main body and connected to the power supply device.Type: GrantFiled: February 26, 2010Date of Patent: June 24, 2014Assignee: Toshiba Lighting & Technology CorporationInventors: Makoto Sakai, Shigeru Osawa, Yusuke Shibahara, Takeshi Hisayasu, Kazuto Morikawa, Tomohiro Sanpei, Erika Takenaka
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Patent number: 8558272Abstract: An illumination apparatus includes a plurality of semiconductor light-emitting devices, a reflective layer, a plurality of conductor parts and a translucent adhesive layer. Each of the semiconductor light-emitting devices has a translucent substrate, and a semiconductor light-emitting layer formed on the substrate. The reflective layer has a size on which semiconductor light-emitting devices are arranged at intervals. The conductor parts are provided on the reflective layer, and electrically connected to the semiconductor light-emitting devices. The adhesive layer bonds the substrates of the semiconductor light-emitting devices onto the reflective layer, and thereby holds the semiconductor light-emitting devices on the reflective layer.Type: GrantFiled: July 15, 2011Date of Patent: October 15, 2013Assignee: Toshiba Lighting & Technology CorporationInventors: Tomohiro Sanpei, Masahiro Izumi, Shinji Nogi, Akiko Saito
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Patent number: 8446082Abstract: According to one embodiment, a light-emitting device includes a substrate, a light reflection layer, a plurality of light-emitting elements, and a sealing member. The substrate includes an insulating layer constituted of epoxy resin using an acid anhydride as a hardening agent or one of a polyimide resin, a polyethylene terephthalate resin, and a fluororesin. The light reflection layer is formed on the insulating layer. The light reflection layer includes a metallic light-reflecting surface higher in optical reflectance than the insulating layer. The light-emitting elements are mounted on the light-reflecting surface. The sealing member is constituted of a material having gas permeability and translucency, and is formed on the insulating layer to seal the light reflection layer and the light-emitting elements.Type: GrantFiled: March 16, 2011Date of Patent: May 21, 2013Assignee: Toshiba Lighting & Technology CorporationInventors: Tomohiro Sanpei, Erika Takenaka
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Patent number: 8398267Abstract: An illumination device includes a base board, an insulator, a conductor, a plurality of semiconductor light-emitting elements and a light-transmissive sealing member. The base board includes a surface and projection portions. The projection portion is formed to become gradually thicker from its end toward the surface of the base board. The insulator is formed on the surface. The conductor is formed on the insulator. The semiconductor light-emitting elements are mounted on the projection portions. The semiconductor light-emitting elements are electrically connected to the conductor via connection members. The sealing member covers the insulator, the projection portions, the semiconductor light-emitting elements and the connection members.Type: GrantFiled: April 18, 2012Date of Patent: March 19, 2013Assignee: Toshiba Lighting & Technology CorporationInventors: Tomohiro Sanpei, Yumiko Hayashida, Masahiro Izumi, Kiyoshi Otani, Yutaka Honda
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Publication number: 20130037834Abstract: According to an aspect of the invention, there is provided a light emitting element module substrate including: a laminated plate; and a metal layer. The laminated plate includes a base metal plate and an insulating layer provided on the base metal plate. The metal layer is provided on the insulating layer. The metal layer includes a mounting section on which a light emitting element is to be mounted, and a bonding section to which a wiring electrically connected to the light emitting element is to be bonded. The metal layer includes a silver layer which is an uppermost layer of at least one of the mounting section and the bonding section and is formed by electrolytic plating. The mounting section and the bonding section are electrically isolated from a periphery of the laminated plate.Type: ApplicationFiled: February 25, 2011Publication date: February 14, 2013Applicants: TOSHIBA LIGHTING & TECHNOLOGY CORPORATION, Kabushiki Kaisha ToshibaInventors: Akihiko Happoya, Masahiro Izumi, Tomohiro Sanpei
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Patent number: 8368113Abstract: According to one embodiment, a light emitting device includes a ceramics substrate, a metallic thermally-conductive layer formed on the substrate in which the substrate involves no electric connection, a light emitting element mounted on the metallic thermally-conductive layer, and a metallic bonding layer interposed between the metallic thermally-conductive layer and the light emitting element to bond the light emitting element to the metallic thermally-conductive layer.Type: GrantFiled: May 24, 2011Date of Patent: February 5, 2013Assignee: Toshiba Lighting & Technology CorporationInventors: Shuhei Matsuda, Erika Takenaka, Tomohiro Sanpei, Kazuto Morikawa, Masahiro Izumi, Kiyoshi Nishimura
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Patent number: 8354783Abstract: According to one embodiment, a light-emitting device includes a substrate including power-supply conductors, a frame member, and a sealing member. The power-supply conductors are formed on the substrate. A plurality of light-emitting elements including electrodes are mounted on the substrate. The electrodes of the light-emitting elements adjacent to the power-supply conductors are electrically connected to the power-supply conductors by a plurality of bonding wires. The frame member is made of resin which is coated on the substrate so as to surround the light-emitting elements and the bonding wires. The sealing member is filled in an area surrounded by the frame member and seals the light-emitting elements and the bonding wires.Type: GrantFiled: September 17, 2010Date of Patent: January 15, 2013Assignee: Toshiba Lighting & Technology CorporationInventors: Erika Takenaka, Tomohiro Sanpei, Takeo Idezuki
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Patent number: 8324789Abstract: A base body having a base body portion and a plurality of heat radiating fins disposed on the circumference of the base body portion is provided. On one end side of the base body, a light-emitting module having semiconductor light-emitting elements, and a globe that covers the light-emitting module are provided. A cap is provided on the other end side of the base boy. A lighting circuit is housed between the base body and the cap. The lamp total length from the globe to the cap is 70 to 120 mm, and the area of a surface of the base body which is exposed to the outside per 1 W of power charged to the light-emitting module is 20.5 to 24.4 cm2/W.Type: GrantFiled: September 20, 2010Date of Patent: December 4, 2012Assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha ToshibaInventors: Takeshi Hisayasu, Kazuto Morikawa, Yusuke Shibahara, Makoto Sakai, Tomohiro Sanpei
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Publication number: 20120201028Abstract: An illumination device includes a base board, an insulator, a conductor, a plurality of semiconductor light-emitting elements and a light-transmissive sealing member. The base board includes a surface and projection portions. The projection portion is formed to become gradually thicker from its end toward the surface of the base board. The insulator is formed on the surface. The conductor is formed on the insulator. The semiconductor light-emitting elements are mounted on the projection portions. The semiconductor light-emitting elements are electrically connected to the conductor via connection members. The sealing member covers the insulator, the projection portions, the semiconductor light-emitting elements and the connection members.Type: ApplicationFiled: April 18, 2012Publication date: August 9, 2012Applicant: TOSHIBA LIGHTING & TECHNOLOGY CORPORATIONInventors: Tomohiro Sanpei, Yumiko Hayashida, Masahiro Izumi, Kiyoshi Otani, Yutaka Honda
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Patent number: 8167456Abstract: An illumination device includes a base board, an insulator, a conductor, a plurality of semiconductor light-emitting elements and a light-transmissive sealing member. The base board includes a surface and projection portions. The projection portion is formed to become gradually thicker from its end toward the surface of the base board. The insulator is formed on the surface. The conductor is formed on the insulator. The semiconductor light-emitting elements are mounted on the projection portions. The semiconductor light-emitting elements are electrically connected to the conductor via connection members. The sealing member covers the insulator, the projection portions, the semiconductor light-emitting elements and the connection members.Type: GrantFiled: April 1, 2011Date of Patent: May 1, 2012Assignee: Toshiba Lighting & Technology CorporationInventors: Tomohiro Sanpei, Yumiko Hayashida, Masahiro Izumi, Kiyoshi Otani, Yutaka Honda
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Publication number: 20120014110Abstract: A light emitting apparatus comprising a light reflecting surface made of a metal, a light emitting element which has an electrode and is mounted on the light reflecting surface, and a sealing member which covers the light reflecting surface and the light emitting element. The sealing member has translucency and oxygen gas permeability of 40000 cc/m2·day or below.Type: ApplicationFiled: March 29, 2010Publication date: January 19, 2012Applicant: TOSHIBA LIGHTING & TECHNOLOGY CORPORATIONInventors: Tomohiro Sanpei, Erika Takenaka
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Patent number: 8098003Abstract: According to one embodiment, a light-emitting module includes a module substrate, a reflective layer, conductive layers, a light-emitting element, and a sealing member. A reflective layer is provided on a surface of an insulating layer of the module substrate, and the conductive layers are provided in the vicinity of the reflective layer. Further, the light-emitting element is provided on the reflective layer. Moreover, the translucent sealing member has translucency and bury the reflective layer, the conductive layers, and the light-emitting element. The ratio of the area occupied by the reflective layer and the conductive layers to the sealed region sealed by the sealing member is equal to or greater than 80%.Type: GrantFiled: May 28, 2010Date of Patent: January 17, 2012Assignee: Toshiba Lighting & Technology CorporationInventors: Kazuto Morikawa, Masahiro Izumi, Kiyoshi Nishimura, Tomohiro Sanpei, Erika Takenaka, Shuhei Matsuda
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Publication number: 20120001215Abstract: According to one embodiment, a light-emitting module includes a module substrate, a light-reflecting layer, and a light-emitting element. The light-reflecting layer is superposed on the module substrate and has a reflection ratio higher than the reflection ratio of the module substrate. The light-emitting element is mounted on the module substrate. The light-reflecting layer includes a copper layer, a copper plating layer which covers the copper layer, and a metal layer which is superposed on the copper plating layer and reflects light emitted from the light-emitting element.Type: ApplicationFiled: June 29, 2011Publication date: January 5, 2012Applicant: TOSHIBA LIGHTING & TECHNOLOGY CORPORATIONInventors: Tomohiro SANPEI, Erika TAKENAKA
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Publication number: 20110303927Abstract: A light emitting module (1) comprises a module substrate (2), a light emitting diode string (31), and a sealing member (48). The light emitting diode string (31) includes light emitting diode elements (32) and bonding wires (37) which connect the light emitting diode elements (32). The light emitting diode element (32) has a pair of element electrodes (33, 34) and has a rectangular shape extending in a direction along which the element electrodes (33, 34) are aligned. The sealing member (48) is laminated on the module substrate (2) to seal the light emitting diode string (31). The light emitting diode elements (32) are arranged at intervals in a direction crossing the direction along which the element electrodes (33, 34) are aligned, and the element electrodes (33, 34) with the same polarity are aligned to be adjacent to each other in an arrangement direction of the light emitting diode elements (32) between the light emitting diode elements (32) adjacent to each other.Type: ApplicationFiled: February 26, 2010Publication date: December 15, 2011Applicant: TOSHIBA LIGHTING & TECHNOLOGY CORPORATIONInventors: Tomohiro Sanpei, Kiyoshi Otani, Masahiro Izumi, Junya Murata, Akiko Saito, Yumiko Hayashida
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Publication number: 20110305017Abstract: According to one embodiment, a light-emitting module comprises a module substrate, a light-reflecting layer, a plurality of light-emitting elements, and a sealing material. The module substrate includes an insulating layer formed of at least one of a glycidyl ester-type, linear aliphatic epoxide-type, and alicyclic epoxide-type resin. The light-reflecting layer is superposed on the insulating layer, and includes a silver light-reflecting surface. The light-emitting elements are mounted on the module substrate. The sealing material has light transmittance, and superposed on the insulating layer to cover the light-reflecting layer and the light-emitting elements.Type: ApplicationFiled: June 14, 2011Publication date: December 15, 2011Applicant: TOSHIBA LIGHTING & TECHNOLOGY CORPORATIONInventor: Tomohiro Sanpei
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Publication number: 20110291151Abstract: According to one embodiment, a light emitting device includes a ceramics substrate, a metallic thermally-conductive layer formed on the substrate in which the substrate involves no electric connection, a light emitting element mounted on the metallic thermally-conductive layer, and a metallic bonding layer interposed between the metallic thermally-conductive layer and the light emitting element to bond the light emitting element to the metallic thermally-conductive layer.Type: ApplicationFiled: May 24, 2011Publication date: December 1, 2011Applicant: TOSHIBA LIGHTING & TECHNOLOGY CORPORATIONInventors: Shuhei MATSUDA, Erika TAKENAKA, Tomohiro SANPEI, Kazuto MORIKAWA, Masahiro IZUMI, Kiyoshi NISHIMURA
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Publication number: 20110273880Abstract: An illumination apparatus includes a plurality of semiconductor light-emitting devices, a reflective layer, a plurality of conductor parts and a translucent adhesive layer. Each of the semiconductor light-emitting devices has a translucent substrate, and a semiconductor light-emitting layer formed on the substrate. The reflective layer has a size on which semiconductor light-emitting devices are arranged at intervals. The conductor parts are provided on the reflective layer, and electrically connected to the semiconductor light-emitting devices. The adhesive layer bonds the substrates of the semiconductor light-emitting devices onto the reflective layer, and thereby holds the semiconductor light-emitting devices on the reflective layer.Type: ApplicationFiled: July 15, 2011Publication date: November 10, 2011Applicant: TOSHIBA LIGHTING & TECHNOLOGY CORPORATIONInventors: Tomohiro Sanpei, Masahiro Izumi, Shinji Nogi, Akiko Saito