Patents by Inventor Tetsuro Komatsu

Tetsuro Komatsu 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).

  • Patent number: 8497521
    Abstract: According to one embodiment, an LED package includes a first lead frame, a second lead frame, an LED chip, a wire, and a resin body. The first lead frame and the second lead frame are arranged with a space between each other. The LED chip is provided above the first lead frame and the second lead frame. The LED chip has a first terminal connected to the first lead frame and a second terminal connected to the second lead frame. The wire connects the first terminal to the first lead frame. The resin body covers the LED chip as well as a top surface, a part of a bottom surface, and a part of an edge surface of each of the first lead frame and the second lead frame. A remaining portion of each of the bottom surfaces and a remaining portion of each of the edge surfaces are exposed.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: July 30, 2013
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Naoya Ushiyama, Kazuhisa Iwashita, Tatsuo Tonedachi, Teruo Takeuchi, Hiroaki Oshio, Tetsuro Komatsu, Gen Watari, Satoshi Shimizu
  • Patent number: 8436378
    Abstract: According to one embodiment, a semiconductor light emitting device includes a semiconductor layer, a first electrode, a second electrode, an insulating film, a first interconnection, a second interconnection, a first metal pillar, a second metal pillar, a resin, and a fluorescent layer. The semiconductor layer has a first major surface, a second major surface formed on an opposite side to the first major surface, and a light emitting layer. The first electrode and the second electrode are provided on the second major surface of the semiconductor layer. The fluorescent layer faces to the first major surface of the semiconductor layer and includes a plurality of kinds of fluorescent materials having different peak wavelengths of emission light.
    Type: Grant
    Filed: June 17, 2010
    Date of Patent: May 7, 2013
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Akihiro Kojima, Yoshiaki Sugizaki, Hideki Shibata, Hideo Tamura, Tetsuro Komatsu, Masayuki Ishikawa
  • Patent number: 8378347
    Abstract: According to one embodiment, an LED package includes first and second lead frames spaced from each other, and an LED chip. Each of the first and second lead frames includes a base portion and a plurality of extending portions extending from the base portion. A part of a lower surface of the base portion, side surfaces of the base portion, lower surfaces of the extending portions and side surfaces of the extending portions are covered by resin. A remaining part of the lower surface of the base portion and tip surfaces of the extending portions are not covered by resin. The part of the lower surface of the base portion includes a first edge of the first lead frame and a second edge of the second lead frame. The first edge and the second edge are opposed each other.
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: February 19, 2013
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Satoshi Shimizu, Kazuhisa Iwashita, Teruo Takeguchi, Tetsuro Komatsu, Hiroaki Oshio, Tatsuo Tonedachi, Naoya Ushiyama, Kazuhiro Inoue, Gen Watari
  • Patent number: 8378377
    Abstract: According to one embodiment, a light emitting device includes a light emitting chip, an external terminal made of a metal material, and a circuit board. The light emitting chip is mounted on the circuit board via the external terminal. The light emitting chip includes a semiconductor layer, a first electrode, a second electrode, an insulating layer, a first interconnection layer, a second interconnection layer, a first metal pillar, a second metal pillar and a resin layer. The circuit board includes an interconnection bonded to the first metal pillar and the second metal pillar via the external terminal, and a heat radiation material provided on an opposite side of the interconnection and connected to the interconnection.
    Type: Grant
    Filed: September 20, 2010
    Date of Patent: February 19, 2013
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yoshiaki Sugizaki, Hideki Shibata, Akihiro Kojima, Masayuki Ishikawa, Hideo Tamura, Tetsuro Komatsu
  • Patent number: 8377726
    Abstract: According to one embodiment, a light emitting device includes a stacked body, a p-side and n-side electrodes, an insulating film, a p-side extraction electrode, an n-side extraction electrode, a resin layer and a phosphor layer. The stacked body has a first and a second surface opposite to each other and includes a light emitting layer. A p-side and an n-side electrode are provided on the second surface. An insulating film has openings to which the p-side and n-side electrodes are exposed. A p-side extraction electrode includes a p-side seed metal and a p-side metal wiring layer. An n-side extraction electrode includes an n-side seed metal and an n-side metal wiring layer. A resin layer is filled around the p-side and n-side extraction electrodes, and a phosphor layer is provided on a side of the first surface. Emission light from the light emitting layer is emitted through the first surface.
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: February 19, 2013
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Akihiro Kojima, Yoshiaki Sugizaki, Hideki Shibata, Hideo Tamura, Tetsuro Komatsu, Masayuki Ishikawa
  • Patent number: 8373192
    Abstract: According to one embodiment, a semiconductor light emitting device includes a plurality of semiconductor layers, a first electrode, a second electrode, an insulating layer, a first interconnection layer, a second interconnection layer, a first metal pillar, a second metal pillar and a resin layer, and is mounted in a bent state on a curved surface. The plurality of semiconductor layers includes a first main surface, a second main surface opposite to the first main surface, and a light emitting layer, the plurality of semiconductor layers being separated from one another. A material is provided between the plurality of the semiconductor layers separated from one another. The member has a higher flexibility than the semiconductor layers being.
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: February 12, 2013
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yoshiaki Sugizaki, Hideki Shibata, Akihiro Kojima, Masayuki Ishikawa, Hideo Tamura, Tetsuro Komatsu
  • Patent number: 8338845
    Abstract: According to one embodiment, an LED package includes first and second lead frames, an LED chip and a resin body. The first and second lead frames are made of a metal material, and disposed to be apart from each other. The LED chip is provided above the first and second lead frames, the LED chip having one terminal connected to the first lead frame and another terminal connected to the second lead frame. The resin body is made of a resin material having a shore D hardness of 25 or higher. In addition, the resin body covers the first and second lead frames and the LED chip. And, an appearance of the resin body is an appearance of the LED package.
    Type: Grant
    Filed: August 25, 2010
    Date of Patent: December 25, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Gen Watari, Satoshi Shimizu, Hiroaki Oshio, Tatsuo Tonedachi, Kazuhisa Iwashita, Tetsuro Komatsu, Teruo Takeuchi
  • Publication number: 20120319150
    Abstract: According to one embodiment, a method for manufacturing a semiconductor light emitting device includes: preparing a metal plate including first frames and second frames, the first frames and the second frames being alternately arranged and spaced from each other, a light emitting element being fixed to each of the first frames, the light emitting element being connected to an adjacent one of the second frames via a metal wire; molding a first resin on the metal plate, the first resin covering the first frame, the second frame, and the light emitting element; forming in the first resin a groove defining a resin package including the first frame, the second frame, and the light emitting element; filling a second resin inside the groove; and forming the resin package with an outer edge of the first resin covered with the second resin by cutting the second resin along the groove.
    Type: Application
    Filed: March 7, 2012
    Publication date: December 20, 2012
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Kenji SHIMOMURA, Tetsuro KOMATSU
  • Patent number: 8319320
    Abstract: According to one embodiment, an LED module includes a board, an interconnection and an LED package. The interconnection is formed on an upper surface of the board. The LED package is mounted on the board. The LED package includes first and second lead frames disposed to be apart from each other, and connected to portions of the interconnection insulated from each other. The LED package includes an LED chip provided above the first and second lead frames. The LED chip has one terminal connected to the first lead frame and another terminal connected to the second lead frame. In addition, the LED package includes a resin body covering an upper surface, portions of a lower surface and an edge surface of each of the first and second lead frames, also covering the LED chip, but exposing remaining portions of the lower surface and the edge surface. And, an appearance of the resin body is an appearance of the LED package.
    Type: Grant
    Filed: September 2, 2010
    Date of Patent: November 27, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kazuhiro Inoue, Kazuhisa Iwashita, Teruo Takeuchi, Tatsuo Tonedachi, Hiroaki Oshio, Tetsuro Komatsu, Naoya Ushiyama
  • Patent number: 8268644
    Abstract: A method for manufacturing a light emitting device includes: measuring at least one of each wavelength of the emitted light of the light emitting element, each optical output of the emitted light of the light emitting element, and each chromaticity of the mixed light emitted through the mixed resin in a manufacturing process of the light emitting device; and adjusting chromaticity for each light emitting device by performing a prescribed chromaticity adjustment with regard to the mixed resin, on basis of a result obtained in the measuring, so that the chromaticity of the mixed light falls within a preset prescribed range.
    Type: Grant
    Filed: February 10, 2009
    Date of Patent: September 18, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kuniaki Konno, Hideo Tamura, Hiroaki Oshio, Tetsuro Komatsu, Reiji Ono
  • Publication number: 20120161180
    Abstract: According to one embodiment, an LED package includes a first lead frame and a second lead frame, an LED chip and a resin body. The resin body covers the LED chip and the top face, a part of the bottom face and a part of the end face, of each of the first and the second lead frames, and exposes the remaining part of the bottom face and the remaining part of the end face. The resin body includes a first part and a second part. The first part is disposed between the top face of the LED chip and a region immediately above the LED chip of the top face of the resin body and transmits light emitted by the LED chip. The second part surrounds the first part and has a transmittance of the light lower than a transmittance in the first part.
    Type: Application
    Filed: September 16, 2011
    Publication date: June 28, 2012
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tetsuro Komatsu, Hiroaki Oshio
  • Publication number: 20120132949
    Abstract: According to one embodiment, an LED package includes mutually-separated first and second leadframes, an LED chip, and a resin body. One selected from the first leadframe and the second leadframe includes a base portion, and an extending portion. The base portion has an end surface covered with the resin body. The extending portion extends from the base portion and has an unevenness provided in a surface of the extending portion. A lower surface of the extending portion is covered with the resin body. A tip surface of the extending portion is exposed from the resin body. An exterior form of the resin body is used as an exterior form of the LED package.
    Type: Application
    Filed: September 16, 2011
    Publication date: May 31, 2012
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Gen Watari, Satoshi Shimizu, Tetsuro Komatsu
  • Publication number: 20120132931
    Abstract: According to one embodiment, an LED module includes a substrate, an interconnect layer, a light emitting diode (LED) package, and a reflection member. The interconnect layer is provided on the substrate. The LED package is mounted on the interconnect layer. The reflection member is provided on a region in the substrate where the LED package is not mounted and has a property of reflecting light emitted from the LED package. The LED package includes a first lead frame, a second lead frame, an LED chip, and a resin body. The first lead frame and the second lead frame are arranged apart from each other on the same plane. The LED chip is provided above the first lead frame and the second lead frame, with one terminal connected to the first lead frame and one other terminal connected to the second lead frame.
    Type: Application
    Filed: March 22, 2011
    Publication date: May 31, 2012
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kazuhiro Inoue, Kazuhisa Iwashita, Teruo Takeuchi, Gen Watari, Tetsuro Komatsu, Tatsuo Tonedachi
  • Publication number: 20120132938
    Abstract: According to one embodiment, an LED package includes a first, a second, and a third lead frame separated from one another. The LED package includes a first LED chip of a top surface terminal type having one terminal connected to the second lead frame, and having one other terminal connected to the third lead frame, the first LED chip is mounted on the first lead frame. The LED package includes a first protection chip of a top surface terminal type having one terminal connected to the second lead frame, and having one other terminal connected to the third lead frame, the first protection chip is mounted on the first lead frame. And, a resin body covers a part of the first, second and third lead frames, the first LED chip, and the first protection chip, An outer shape of the resin body forms an outer shape of the LED package.
    Type: Application
    Filed: March 21, 2011
    Publication date: May 31, 2012
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tetsuro Komatsu, Satoshi Shimizu
  • Publication number: 20120126256
    Abstract: According to one embodiment, an LED package includes a first and a second lead frame separated from each other, an LED chip, a wire and a resin body. The LED chip is provided above the first and second lead frames, and has a pair of terminals provided on an upper surface of the LED chip. One of the terminals is connected to the first lead frame and one other terminal is connected to the second lead frame. The wire is drawn out from the one terminal horizontally to connect the one terminal to the first lead frame. The resin body covers the LED chip and the wire, an upper surface, a part of a lower surface and a part of an end surface of each of the first and second lead frames to expose a remaining part of the lower surface and a remaining part of the lower surface.
    Type: Application
    Filed: March 22, 2011
    Publication date: May 24, 2012
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tetsuro Komatsu, Naoya Ushiyama
  • Publication number: 20120097972
    Abstract: A method for manufacturing a light emitting device includes forming a multilayer body including a light emitting layer so that a first surface thereof is adjacent to a first surface side of a translucent substrate. A dielectric film on a second surface side opposite to the first surface of the multilayer body is formed having first and second openings on a p-side electrode and an n-side electrode. A seed metal on the dielectric film and an exposed surface of the first and second openings form a p-side metal interconnect layer and an n-side metal interconnect layer separating the seed metal into a p-side seed metal and an n-side seed metal by removing a part of the seed metal. A resin is formed in a space from which the seed metal is removed.
    Type: Application
    Filed: December 2, 2011
    Publication date: April 26, 2012
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Yoshiaki SUGIZAKI, Hideki Shibata, Masayuki Ishikawa, Hideo Tamura, Tetsuro Komatsu, Akihiro Kojima
  • Publication number: 20120080674
    Abstract: According to one embodiment, an LED package includes first and second lead frames spaced from each other, and an LED chip. Each of the first and second lead frames includes a base portion and a plurality of extending portions extending from the base portion. A part of a lower surface of the base portion, side surfaces of the base portion, lower surfaces of the extending portions and side surfaces of the extending portions are covered by resin. A remaining part of the lower surface of the base portion and tip surfaces of the extending portions are not covered by resin. The part of the lower surface of the base portion includes a first edge of the first lead frame and a second edge of the second lead frame. The first edge and the second edge are opposed each other.
    Type: Application
    Filed: November 4, 2011
    Publication date: April 5, 2012
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Satoshi Shimizu, Kazuhisa Iwashita, Teruo Takeguchi, Tetsuro Komatsu, Hiroaki Oshio, Tatsuo Tonedachi, Naoya Ushiyama, Kazuhiro Inoue, Gen Watari
  • Patent number: 8110421
    Abstract: A method for manufacturing a light emitting device includes: forming a multilayer body including a light emitting layer so that a first surface thereof is adjacent to a first surface side of a translucent substrate; forming a dielectric film on a second surface side opposite to the first surface of the multilayer body, the dielectric film having a first and second openings on a p-side electrode and an n-side electrode provided on the second surface; forming a seed metal on the dielectric film and an exposed surface of the first and second openings; forming a p-side metal interconnect layer and an n-side metal interconnect layer on the seed metal; separating the seed metal into a p-side seed metal and an n-side seed metal by removing a part of the seed metal, which is provided between the p-side metal interconnect layer and the n-side metal interconnect layer; and forming a resin in a space from which the seed metal is removed.
    Type: Grant
    Filed: July 20, 2009
    Date of Patent: February 7, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yoshiaki Sugizaki, Hideki Shibata, Masayuki Ishikawa, Hideo Tamura, Tetsuro Komatsu, Akihiro Kojima
  • Publication number: 20110297980
    Abstract: According to one embodiment, a semiconductor light emitting device includes a light emitting chip and a fluorescent material layer. The light emitting chip includes a semiconductor layer, a first electrode, a second electrode, an insulating layer, a first interconnect layer, a second interconnect layer, a first metal pillar, a second metal pillar, and a resin layer. The semiconductor layer includes a light emitting layer, a first major surface, and a second major surface formed on a side opposite to the first major surface. The fluorescent material layer is provided on the first major surface and has a larger planer size than the light emitting chip.
    Type: Application
    Filed: September 21, 2010
    Publication date: December 8, 2011
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yoshiaki Sugizaki, Hideki Shibata, Akihiro Kojima, Masayuki Ishikawa, Hideo Tamura, Tetsuro Komatsu
  • Publication number: 20110297994
    Abstract: According to one embodiment, a semiconductor light emitting device includes a plurality of semiconductor layers, a first electrode, a second electrode, an insulating layer, a first interconnection layer, a second interconnection layer, a first metal pillar, a second metal pillar and a resin layer, and is mounted in a bent state on a curved surface. The plurality of semiconductor layers includes a first main surface, a second main surface opposite to the first main surface, and a light emitting layer, the plurality of semiconductor layers being separated from one another. A material is provided between the plurality of the semiconductor layers separated from one another. The member has a higher flexibility than the semiconductor layers being.
    Type: Application
    Filed: September 16, 2010
    Publication date: December 8, 2011
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yoshiaki Sugizaki, Hideki Shibata, Akihiro Kojima, Masayuki Ishikawa, Hideo Tamura, Tetsuro Komatsu