Patents by Inventor Toshio Hata
Toshio Hata 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: 20170033089Abstract: A light-emitting device capable of ensuring an electric connection between a light-emitting element and an electrode without generating any problem in practical use, by both connecting methods with a solder and a connector, and a lighting device provided with the light-emitting device are provided. The light-emitting device according to the present invention has a plurality of LED chips, and a soldering electrode land and a connector connecting electrode land electrically connected to the chips, on a ceramic substrate. The soldering electrode land is formed of a first conductive material having a function to prevent diffusion to a solder, and the connector connecting electrode land is formed of a second conductive material having a function to prevent oxidation.Type: ApplicationFiled: October 11, 2016Publication date: February 2, 2017Inventors: Makoto AGATANI, Toshio HATA, Tomokazu NADA, Shinya ISHIZAKI
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Patent number: 9557020Abstract: The device bends readily and safely without a sealing resin peeling off or a breakage in a wire. In an LED columnar light emitting device 1 in which a plurality of two conductive regions 2 and 3 corresponding to the ± polarities are provided in the columnar direction on a film wiring board, each light emitting element is connected to and installed on the plurality of two conductive regions 2 and 3, and each LED chip 6, as each light emitting element, is sealed above with a transparent sealing resin 8, notch sections 9 and 9A are formed on both outer sides of two plated lines 4 as opening sections between the two conductive regions 2 and 3 and another two conductive regions 2 and 3 adjacent thereto in the columnar direction.Type: GrantFiled: June 6, 2013Date of Patent: January 31, 2017Assignee: Sharp Kabushiki KaishaInventors: Toshio Hata, Yuhsuke Fujita, Kenichi Akamatsu
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Publication number: 20170012189Abstract: A light emitting device (10) includes light emitting elements (12), conductor wirings (14), and alignment marks (18) formed on a substrate (11). The alignment marks (18) and the conductor wirings (14) are formed by printing.Type: ApplicationFiled: September 21, 2016Publication date: January 12, 2017Inventors: Toshio HATA, Makoto AGATANI, Shinya ISHIZAKI, Makoto MATSUDA, Tomokazu NADA, Toyonori UEMURA
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Publication number: 20160359095Abstract: A light-emitting apparatus of the present invention has (i) a semiconductor device which emits light toward a higher position than a substrate and (ii) a plurality of external connection terminals, and includes: a light-reflecting layer, provided on the substrate, which reflects the light emitted by the semiconductor device; and a covering layer which covers at least the light-reflecting layer and which transmits the light reflected by the light-reflecting layer. Further, the semiconductor device is provided on the covering layer, and is electrically connected to the external connection terminals via connecting portions, and the semiconductor device and the connecting portions are sealed with a sealing resin so as to be covered. Therefore, the light-emitting apparatus has increased efficiency with which light is taken out, and can prevent a reflecting layer from being altered, deteriorating, and decreasing in reflectance.Type: ApplicationFiled: August 18, 2016Publication date: December 8, 2016Applicant: Sharp Kabushiki KaishaInventors: Masahiro KONISHI, Masaki KONDO, Takaaki HORIO, Takanobu MATSUO, Toshio HATA, Kiyohisa OHTA
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Publication number: 20160353544Abstract: Provided is a light-emitting device that is capable of adjusting color temperature through the supply of electric power from a single power supply. The light-emitting device includes an anode electrode land, a cathode electrode land, and first and second wires through which the anode electrode land and the cathode electrode land are connected to each other. The first wire is higher in electric resistance than the second wire. The color temperature of light that is emitted by a whole light-emitting unit including a first light-emitting unit electrically connected to the first wire and a second light-emitting unit electrically connected to the second wire is adjustable.Type: ApplicationFiled: January 7, 2015Publication date: December 1, 2016Inventors: Nobumasa KANEKO, Tomokazu NADA, Makoto AGATANI, Toshio HATA, Osamu JINUSHI, Yoshiki SOTA, Naveen Venkata Rama DEVISETTI, Kazuaki KANEKO, Hiroaki ONUMA
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Patent number: 9504207Abstract: This light emitting device is provided with: a light emitting element which emits excitation light; and a far-red phosphor which is excited by the light of the light emitting element and emits light that has a peak wavelength within the range of 700-800 nm. The far-red phosphor has a median diameter within the range of 1-20 ?m.Type: GrantFiled: December 9, 2013Date of Patent: November 29, 2016Assignee: Sharp Kabushiki KaishaInventors: Hiroaki Onuma, Masatsugu Masuda, Toshio Hata
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Patent number: 9490236Abstract: A light-emitting device capable of ensuring an electric connection between a light-emitting element and an electrode without generating any problem in practical use, by both connecting methods with a solder and a connector, and a lighting device provided with the light-emitting device are provided. The light-emitting device according to the present invention has a plurality of LED chips, and a soldering electrode land and a connector connecting electrode land electrically connected to the chips, on a ceramic substrate. The soldering electrode land is formed of a first conductive material having a function to prevent diffusion to a solder, and the connector connecting electrode land is formed of a second conductive material having a function to prevent oxidation.Type: GrantFiled: October 14, 2015Date of Patent: November 8, 2016Assignee: SHARP KABUSHIKI KAISHAInventors: Makoto Agatani, Toshio Hata, Tomokazu Nada, Shinya Ishizaki
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Patent number: 9484309Abstract: A light emitting device (10) includes light emitting elements (12), conductor wirings (14), and alignment marks (18) formed on a substrate (11). The alignment marks (18) and the conductor wirings (14) are formed by printing.Type: GrantFiled: July 11, 2013Date of Patent: November 1, 2016Assignee: SHARP KABUSHIKI KAISHAInventors: Toshio Hata, Makoto Agatani, Shinya Ishizaki, Makoto Matsuda, Tomokazu Nada, Toyonori Uemura
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Patent number: 9484502Abstract: By using a light emitting device including an insulating substrate and a light emitting unit formed on the insulating substrate, the light emitting unit including: a plurality of linear wiring patterns disposed on the insulating substrate in parallel with one another, a plurality of light emitting elements that are mounted between the wiring patterns while being electrically connected to the wiring patterns, and a sealing member for sealing the light emitting elements, as well as a method for manufacturing thereof, it becomes possible to provide a light emitting device that achieves sufficient electrical insulation and has simple manufacturing processes so that it can be manufactured at a low cost, and a method for manufacturing the same.Type: GrantFiled: April 4, 2014Date of Patent: November 1, 2016Assignee: SHARP KABUSHIKI KAISHAInventors: Masahiro Konishi, Makoto Agatani, Toshio Hata
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Patent number: 9478716Abstract: By using a light emitting device including an insulating substrate and a light emitting unit formed on the insulating substrate, the light emitting unit including: a plurality of linear wiring patterns disposed on the insulating substrate in parallel with one another, a plurality of light emitting elements that are mounted between the wiring patterns while being electrically connected to the wiring patterns, and a sealing member for sealing the light emitting elements, as well as a method for manufacturing thereof, it becomes possible to provide a light emitting device that achieves sufficient electrical insulation and has simple manufacturing processes so that it can be manufactured at a low cost, and a method for manufacturing the same.Type: GrantFiled: March 4, 2015Date of Patent: October 25, 2016Assignee: SHARP KABUSHIKI KAISHAInventors: Masahiro Konishi, Makoto Agatani, Toshio Hata
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Publication number: 20160300882Abstract: A light emitting device includes: a ceramic substrate; a plurality of LED chips; a printed resistor(s) connected in parallel with the plurality of LED chips; a dam resin made of a resin having a low optical transmittance; a fluorescent-material-containing resin layer; and an anode-side electrode and a cathode-side electrode, (a) which are provided on a primary surface of the ceramic substrate so as to face each other along a first direction on the primary surface and (b) which are disposed below at least one of the dam resin and the fluorescent-material-containing resin layer. With the configuration in which a plurality of LEDs, which are connected in a series-parallel connection, are provided on a substrate, it is possible to provide a light emitting device which can achieve restraining of luminance unevenness and an improvement in luminous efficiency.Type: ApplicationFiled: June 21, 2016Publication date: October 13, 2016Inventors: Shinya ISHIZAKI, Makoto AGATANI, Tomokazu NADA, Toshio HATA
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Patent number: 9461224Abstract: A light-emitting apparatus of the present invention has (i) a semiconductor device which emits light toward a higher position than a substrate and (ii) a plurality of external connection terminals, and includes: a light-reflecting layer, provided on the substrate, which reflects the light emitted by the semiconductor device; and a covering layer which covers at least the light-reflecting layer and which transmits the light reflected by the light-reflecting layer. Further, the semiconductor device is provided on the covering layer, and is electrically connected to the external connection terminals via connecting portions, and the semiconductor device and the connecting portions are sealed with a sealing resin so as to be covered. Therefore, the light-emitting apparatus has increased efficiency with which light is taken out, and can prevent a reflecting layer from being altered, deteriorating, and decreasing in reflectance.Type: GrantFiled: September 25, 2015Date of Patent: October 4, 2016Assignee: SHARP KABUSHIKI KAISHAInventors: Masahiro Konishi, Masaki Kondo, Takaaki Horio, Takanobu Matsuo, Toshio Hata, Kiyohisa Ohta
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Patent number: 9425236Abstract: A light emitting device includes: a ceramic substrate; a plurality of LED chips; a printed resistor(s) connected in parallel with the plurality of LED chips; a dam resin made of a resin having a low optical transmittance; a fluorescent-material-containing resin layer; and an anode-side electrode and a cathode-side electrode, (a) which are provided on a primary surface of the ceramic substrate so as to face each other along a first direction on the primary surface and (b) which are disposed below at least one of the dam resin and the fluorescent-material-containing resin layer. With the configuration in which a plurality of LEDs, which are connected in a series-parallel connection, are provided on a substrate, it is possible to provide a light emitting device which can achieve restraining of luminance unevenness and an improvement in luminous efficiency.Type: GrantFiled: March 31, 2015Date of Patent: August 23, 2016Assignee: Sharp Kabushiki KaishaInventors: Shinya Ishizaki, Makoto Agatani, Tomokazu Nada, Toshio Hata
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Publication number: 20160233387Abstract: A light-emitting device includes a substrate, a light-emitting element disposed on the substrate, and a sealing member for sealing the light-emitting element. The sealing member contains at least a particulate red phosphor. The red phosphor contains at least a Mn4+-activated fluoride complex phosphor. The sealing member has an upper surface with irregularities on at least part of the upper surface.Type: ApplicationFiled: October 6, 2014Publication date: August 11, 2016Inventors: Masaharu KITANO, Kohji MIYAKE, Takashi ONO, Toshio HATA
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Patent number: 9400088Abstract: A light emitting device (1) includes (i) a surface-mounted light emitting section (10a), (ii) a lens section (30) which is provided on a light exit side of the surface-mount light emitting section (10a), and (iii) a frame section (40) which fixes a periphery of the lens section (30). In the surface-mounted light emitting section (10a), a resin layer (17) that contains a red fluorescent material (17b) covers at least one (1) blue LED chip (14a). This allows the surface-mounted light emitting section (10a) to emit (i) light that matches a peak wavelength which falls within a short wavelength range and (ii) light that matches a peak wavelength which falls within a long wavelength range.Type: GrantFiled: August 21, 2012Date of Patent: July 26, 2016Assignee: SHARP KABUSHIKI KAISHAInventors: Toshio Hata, Shinji Osaki, Toyonori Uemura, Shinya Ishizaki, Hitoshi Matsushita
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Patent number: 9391242Abstract: A surface mounted light emitting device having superior reliability with a focus on low cost producibility, in which a protective element can be formed without lowering the efficiency of light emission from a light emitting element, is provided. Since, for example, a printed resistance 16, as a protective element, is formed on at least the top surface side, the back surface side, or the inside of an insulating film 2 and, for example, the printed resistance 16, as a protective element, is formed on the rear surface side of the installation surface of a light emitting element 11, light emitted from the light emitting element 11 is not obstructed due to light blocking, light absorption or the like by, for example, the printed resistance 16, as a protective element.Type: GrantFiled: April 26, 2013Date of Patent: July 12, 2016Assignee: SHARP KABUSHIKI KAISHAInventors: Toshio Hata, Yuhsuke Fujita, Kenichi Akamatsu
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Publication number: 20160149093Abstract: By using a light emitting device including an insulating substrate and a light emitting unit formed on the insulating substrate, the light emitting unit including: a plurality of linear wiring patterns disposed on the insulating substrate in parallel with one another, a plurality of light emitting elements that are mounted between the wiring patterns while being electrically connected to the wiring patterns, and a sealing member for sealing the light emitting elements, as well as a method for manufacturing thereof, it becomes possible to provide a light emitting device that achieves sufficient electrical insulation and has simple manufacturing processes so that it can be manufactured at a low cost, and a method for manufacturing the same.Type: ApplicationFiled: February 4, 2016Publication date: May 26, 2016Applicant: Sharp Kabushiki KaishaInventors: Masahiro KONISHI, Makoto AGATANI, Toshio HATA
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Publication number: 20160149094Abstract: In a light-source device (10) of this invention, integrated light emission intensity from 460 nm to 500 nm is higher than integrated light emission intensity from 415 nm to 460 nm in an emission spectrum of white light. This allows provision of a light-source device which emits white light easy on a human eye.Type: ApplicationFiled: June 16, 2014Publication date: May 26, 2016Applicant: Sharp Kabushiki KaishaInventors: Hiroaki ONUMA, Tomokazu NADA, Yuta HOMMA, Toshio HATA
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Patent number: 9341318Abstract: An LED bulb (100) including a light source device (105) provided on a mounting plate (102) and covered by a globe (104) in a shape of a spherical shell is configured such that the light source device (105) includes: a reflecting member (108) in a truncated cone shape; and a plurality of LED chips (15) provided on a top surface of the substrate (11), at least a side face of the reflecting member (108) has a light reflecting function, and the light source device (105) is provided on the mounting plate (102) in such a way that a bottom surface of the substrate (11) faces the mounting plate (102).Type: GrantFiled: December 22, 2014Date of Patent: May 17, 2016Assignee: Sharp Kabushiki KaishaInventors: Toshio Hata, Makoto Agatani, Toyonori Uemura
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Patent number: 9312304Abstract: A light emitting device includes: a ceramic substrate; a plurality of LED chips; a printed resistor(s) connected in parallel with the plurality of LED chips; a dam resin made of a resin having a low optical transmittance; a fluorescent-material-containing resin layer; and an anode-side electrode and a cathode-side electrode, (a) which are provided on a primary surface of the ceramic substrate so as to face each other along a first direction on the primary surface and (b) which are disposed below at least one of the dam resin and the fluorescent-material-containing resin layer. With the configuration in which a plurality of LEDs, which are connected in a series-parallel connection, are provided on a substrate, it is possible to provide a light emitting device which can achieve restraining of luminance unevenness and an improvement in luminous efficiency.Type: GrantFiled: February 20, 2015Date of Patent: April 12, 2016Assignee: Sharp Kabushiki KaishaInventors: Shinya Ishizaki, Makoto Agatani, Tomokazu Nada, Toshio Hata