Patents by Inventor Makoto Agatani
Makoto Agatani 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).
-
Publication number: 20140103797Abstract: The light-emitting device includes: a substrate which has a single layer structure in which a conductive member is partially provided on a surface of the substrate; a plurality of light-emitting elements which are directly provided on the surface of the substrate so as to be electrically connected with the conductive member; a first light reflection resin layer; a second light reflection resin layer which is provided in a looped shape on the surface of the substrate so as to surround an area in which the plurality of light-emitting elements are provided; and a sealing resin which covers the plurality of light-emitting elements.Type: ApplicationFiled: December 18, 2013Publication date: April 17, 2014Applicant: SHARP KABUSHIKI KAISHIInventors: Shinya ISHIZAKI, Tomokazu NADA, Makoto AGATANI, Makoto MATSUDA, Shinji OSAKI, Tatsuya MORIOKA, Hitoshi MATSUSHITA, Toyonori UEMURA, Toshio HATA
-
Publication number: 20140098529Abstract: The light-emitting device includes a substrate and a plurality of light-emitting sections. A first light-emitting section is made up of LED chips and a first fluorescent-substance-containing resin layer, and a second light-emitting section is made up of LED chips and a second fluorescent-substance-containing resin layer. The first fluorescent-substance-containing resin layer and the second fluorescent-substance-containing resin layer are provided in a plurality of locations such that the fluorescent-substance-containing resin layers for the different light-emitting sections are adjacently arranged.Type: ApplicationFiled: March 22, 2012Publication date: April 10, 2014Applicant: SHARP KABUSHIKI KAISHAInventors: Toshio Hata, Makoto Agatani, Toyonori Uemura, Shinya Ishizaki, Hitoshi Matsushita
-
Patent number: 8651696Abstract: The light-emitting device includes: a substrate which has a single layer structure in which a conductive member is partially provided on a surface of the substrate; a plurality of light-emitting elements which are directly provided on the surface of the substrate so as to be electrically connected with the conductive member; a first light reflection resin layer; a second light reflection resin layer which is provided in a looped shape on the surface of the substrate so as to surround an area in which the plurality of light-emitting elements are provided; and a sealing resin which covers the plurality of light-emitting elements.Type: GrantFiled: June 3, 2011Date of Patent: February 18, 2014Assignee: Sharp Kabushiki KaishaInventors: Shinya Ishizaki, Tomokazu Nada, Makoto Agatani, Makoto Matsuda, Shinji Osaki, Tatsuya Morioka, Hitoshi Matsushita, Toyonori Uemura, Toshio Hata
-
Patent number: 8632226Abstract: There is provided a lighting system capable of suppressing a decrease in light output while preventing occurrence of glare. The lighting system of the present invention includes a light-emitting device and a jig for light control. The light-emitting device includes a plurality of light-emitting elements arranged so as to be distributed on a substrate, and the jig for light control is made up of a resin plate having a plurality of discrete openings for light-emitting surface partitioned by a louver. The light-emitting device and the jig for light control are overlaid so that a light-emitting portion is exposed from the plurality of discrete openings for light-emitting surface.Type: GrantFiled: October 17, 2011Date of Patent: January 21, 2014Assignee: Sharp Kabushiki KaishaInventors: Toshio Hata, Shinya Ishizaki, Makoto Agatani
-
Publication number: 20140009936Abstract: 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: ApplicationFiled: February 29, 2012Publication date: January 9, 2014Applicant: SHARP KABUSHIKI KAISHAInventors: Toshio Hata, Makoto Agatani, Toyonori Uemura
-
Publication number: 20130264934Abstract: A substrate-type LED light source (10) includes: at least one blue LED chip (2) which has an emission peak in a range from 400 nm to 480 nm so as to correspond to a blue light region absorption peak of chlorophyll; a red phosphor (7b) which emit, upon receiving excitation light from the at least one blue LED chip (2), light having a peak wavelength in a range from 620 nm to 700 nm so as to correspond to a red light region absorption peak of chlorophyll; and a resin layer (7) in which the red phosphor 7b is dispersed and which covers the at least one blue LED chip (2).Type: ApplicationFiled: November 15, 2011Publication date: October 10, 2013Inventors: Shinji Osaki, Toyonori Uemura, Toshio Hata, Tomokazu Nada, Tatsuya Morioka, Makoto Matsuda, Shinya Ishizaki, Makoto Agatani, Hitoshi Matsushita
-
Publication number: 20130128493Abstract: An illumination device with a toning function in which possibility of moisture and dust intruding into the case is reduced with a simple mechanism is realized.Type: ApplicationFiled: June 27, 2011Publication date: May 23, 2013Applicant: SHARP KABUSHIKI KAISHAInventors: Shinji Osaki, Toyonori Uemura, Toshio Hata, Junichi Somei, Yuji Kozuma, Kenji Hatazawa, Tomokazu Nada, Makoto Agatani, Shinya Ishizaki, Tatsuya Morioka, Makoto Matsuda
-
Patent number: 8427048Abstract: 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: October 29, 2010Date of Patent: April 23, 2013Assignee: Sharp Kabushiki KaishaInventors: Masahiro Konishi, Makoto Agatani, Toshio Hata
-
Patent number: 8421094Abstract: 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: January 21, 2011Date of Patent: April 16, 2013Assignee: Sharp Kabushiki KaishaInventors: Shinya Ishizaki, Makoto Agatani, Tomokazu Nada, Toshio Hata
-
Publication number: 20120106155Abstract: There is provided a lighting system capable of suppressing a decrease in light output while preventing occurrence of glare. The lighting system of the present invention includes a light-emitting device and a jig for light control. The light-emitting device includes a plurality of light-emitting elements arranged so as to be distributed on a substrate, and the jig for light control is made up of a resin plate having a plurality of discrete openings for light-emitting surface partitioned by a louver. The light-emitting device and the jig for light control are overlaid so that a light-emitting portion is exposed from the plurality of discrete openings for light-emitting surface.Type: ApplicationFiled: October 17, 2011Publication date: May 3, 2012Applicant: Sharp Kabushiki KaishaInventors: Toshio HATA, Shinya Ishizaki, Makoto Agatani
-
Publication number: 20120080713Abstract: 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: September 23, 2011Publication date: April 5, 2012Inventors: Makoto AGATANI, Toshio HATA, Tomokazu NADA, Shinya ISHIZAKI
-
Publication number: 20110299268Abstract: The light-emitting device includes: a substrate which has a single layer structure in which a conductive member is partially provided on a surface of the substrate; a plurality of light-emitting elements which are directly provided on the surface of the substrate so as to be electrically connected with the conductive member; a first light reflection resin layer; a second light reflection resin layer which is provided in a looped shape on the surface of the substrate so as to surround an area in which the plurality of light-emitting elements are provided; and a sealing resin which covers the plurality of light-emitting elements.Type: ApplicationFiled: June 3, 2011Publication date: December 8, 2011Inventors: Shinya Ishizaki, Tomokazu Nada, Makoto Agatani, Makoto Matsuda, Shinji Osaki, Tatsuya Morioka, Hitoshi Matsushita, Toyonori Uemura, Toshio Hata
-
Publication number: 20110278605Abstract: A light emitting device is a light emitting device using light emitting elements and includes: a substrate; a resin frame provided circularly on the substrate; a resin wall provided on the substrate so as to partition an area surrounded by the resin frame into 2 zones; light-emitting sections (a first light-emitting section: blue LEDs+red fluorescent material, a second light-emitting section: blue LEDs+yellow fluorescent material) provided in the respective zones, each of which light-emitting sections includes at least one light emitting element; and first and second anode electrodes and a cathode electrode provided so that each of the light-emitting sections receives current via a corresponding anode electrode and the cathode electrode, the light-emitting sections emitting respective pieces of light each having at least one color, which respective pieces of light have different colors from each other, the first and second anode electrodes being electrically connected to the first and second light-emitting seType: ApplicationFiled: May 16, 2011Publication date: November 17, 2011Applicant: SHARP KABUSHIKI KAISHAInventors: Makoto AGATANI, Toshio Hata, Tomokazu Nada, Toyonori Uemura, Shinya Ishizaki
-
Publication number: 20110180817Abstract: 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: January 21, 2011Publication date: July 28, 2011Applicant: SHARP KABUSHIKI KAISHAInventors: Shinya ISHIZAKI, Makoto Agatani, Tomokazu Nada, Toshio Hata
-
Publication number: 20110116252Abstract: The light-emitting device of the present invention includes LED chips provided on a ceramic substrate and a sealing material in which the LED chips are embedded. The sealing material contains a fluorescent substance and divided into a first fluorescent-substance-containing resin layer and a second fluorescent-substance-containing resin layer by a first resin ring and a second resin ring.Type: ApplicationFiled: November 9, 2010Publication date: May 19, 2011Inventors: Makoto AGATANI, Toshio Hata, Toyonori Uemura
-
Publication number: 20110044029Abstract: 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: October 29, 2010Publication date: February 24, 2011Applicant: SHARP KABUSHIKI KAISHAInventors: Masahiro Konishi, Makoto Agatani, Toshio Hata
-
Patent number: 7872418Abstract: By using a light emitting device including a substrate and a light emitting unit, the light emitting unit including: a plurality of light emitting elements that are mounted on substrate and electrically connected to external electrodes; a first sealing member layer containing a first fluorescent material, formed to cover light emitting elements; and a second sealing member layer containing a second fluorescent material, formed on first sealing member layer, as well as a method for manufacturing thereof, it becomes possible to provide a light emitting device capable of suppressing color shifts and the like by the fluorescent materials, and of being easily manufactured, as well as a method for manufacturing the same.Type: GrantFiled: March 19, 2008Date of Patent: January 18, 2011Assignee: Sharp Kabushiki KaishaInventors: Toshio Hata, Masahiro Konishi, Makoto Agatani, Taiji Morimoto
-
Patent number: 7843131Abstract: 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 17, 2008Date of Patent: November 30, 2010Assignee: Sharp Kabushiki KaishaInventors: Masahiro Konishi, Makoto Agatani, Toshio Hata
-
Publication number: 20080299398Abstract: In a light emitting device having a light emitting element, mounted on a substrate, at least one portion of which is coated with a mold component, the mold component is provided with resin particles and or inorganic material particles, phosphor particles and a sealing resin, and phosphor particles have a specific gravity different from that of resin particles and/or the inorganic material particles, and are made from a grain-shaped phosphor which, when irradiating with excited light, emits fluorescent light having a wavelength longer than that of the excited light, with resin particles and/or the inorganic material particles and the phosphor particles being dispersed in sealing resin; thus, the present invention relates to such a light emitting device and a method for manufacturing the same.Type: ApplicationFiled: May 30, 2008Publication date: December 4, 2008Applicant: Sharp Kabushiki KaishaInventors: Toshio Hata, Masahiro Konishi, Makoto Agatani
-
Publication number: 20080231169Abstract: By using a light emitting device including a substrate and a light emitting unit, the light emitting unit including: a plurality of light emitting elements that are mounted on substrate and electrically connected to external electrodes; a first sealing member layer containing a first fluorescent material, formed to cover light emitting elements; and a second sealing member layer containing a second fluorescent material, formed on first sealing member layer, as well as a method for manufacturing thereof, it becomes possible to provide a light emitting device capable of suppressing color shifts and the like by the fluorescent materials, and of being easily manufactured, as well as a method for manufacturing the same.Type: ApplicationFiled: March 19, 2008Publication date: September 25, 2008Applicant: SHARP KABUSHIKI KAISHAInventors: Toshio HATA, Masahiro Konishi, Makoto Agatani, Taiji Morimoto