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公开(公告)号：US10801710B2
公开(公告)日：2020-10-13
申请号：US16098249
申请日：2017-05-22
发明人： Takashi Iino , Sadato Imai
摘要： An LED lighting device capable of discharging heat generated from a light emitting element to the outside the LED lighting device. An LED lighting device includes: a plurality of light emitting elements; a mounted substrate on which the light emitting elements are mounted; and an electrode portion configured to supply a current to the light emitting elements from outside the LED lighting device. On the mounted substrate, a wiring substrate is located. On the upper surface of the mounted substrate, the mounted substrate includes: a light emitting region in which the plurality of light emitting elements are mounted; an exposed region which is located on the outer side of the light emitting region and through which the upper surface of the mounted substrate is exposed; and a wiring region which is located on the outer side of the light emitting region and in which the wiring substrate is located.
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公开(公告)号：US09954148B2
公开(公告)日：2018-04-24
申请号：US14920353
申请日：2015-10-22
发明人： Hiroaki Eguchi , Sadato Imai
IPC分类号： H01L33/50 , H01L25/075 , H01L33/62 , H01L33/58
CPC分类号： H01L33/504 , H01L25/0753 , H01L33/58 , H01L33/62 , H01L2224/48091 , H01L2224/48137 , H01L2924/00014
摘要： A light-emitting apparatus that improves the use efficiency of emission light from light-emitting elements by an optical element for light collection and improves the light-emitting intensity in front of the apparatus without increasing the size of the apparatus, and its manufacturing method are provided. The light-emitting apparatus includes light-emitting elements, a substrate on which the light-emitting elements are mounted in a mounted region and a pair of electrodes for supplying power to the light-emitting elements is arranged around the mounted region, a sealing resin that contains a phosphor excited by emission light from the light-emitting elements and seals the light-emitting elements on the mounted region, and an optical element that is placed to cover the sealing resin with a lower end in contact with a flat region between the pair of electrodes and the sealing resin on the substrate and collects light emitted from the light-emitting elements through the sealing resin.
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公开(公告)号：USRE47530E1
公开(公告)日：2019-07-23
申请号：US15336285
申请日：2016-10-27
发明人： Norikazu Kadotani , Koichi Fukasawa , Sadato Imai
摘要： An LED apparatus includes a base having thermal conductivity, an insulative substrate provided on one surface of the base and including electrodes provided on a surface of the substrate, at least one base-mounting area that is an exposed part of the base, exposed within a pass-through hole provided in the substrate, a plurality of LED elements mounted on the base in the base-mounting area and some of the LED elements in a unit electrically connected to the electrodes in series, a plurality of the units are electrically connected in parallel, and a frame disposed to surround the base-mounting area and configured to form a light-emitting area.
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公开(公告)号：US10158056B2
公开(公告)日：2018-12-18
申请号：US15569663
申请日：2016-02-09
发明人： Sadato Imai , Masahide Watanabe , Hirohiko Ishii , Koki Hirasawa , Yuji Omori
摘要： An LED package used in a light-emitting device is provided with a function of position correction in mounting by self-alignment, and mounting density of such LED packages is increased. The LED package includes an LED element including an element electrode on a bottom surface, a phosphor layer containing a phosphor and covering a top surface and a side surface of the LED element, and an auxiliary electrode having an upper face bonded to a lower face of the element electrode, wherein the auxiliary electrode is larger than the element electrode, the auxiliary electrode includes a step that makes a lower face smaller than the upper face, and an end portion of the auxiliary electrode on a side where the step is formed is located inside an outer peripheral side of the phosphor layer.
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公开(公告)号：US09859482B2
公开(公告)日：2018-01-02
申请号：US15448041
申请日：2017-03-02
发明人： Tatsuya Katoh , Sadato Imai
IPC分类号： H01L33/50 , H01L33/62 , H01L33/48 , H01L33/56 , H01L33/60 , H01L25/075 , F21V29/89 , F21V21/08 , F21Y115/10
CPC分类号： H01L33/62 , F21V21/08 , F21V29/89 , F21Y2115/10 , H01L25/0753 , H01L33/486 , H01L33/50 , H01L33/502 , H01L33/56 , H01L33/60 , H01L33/641 , H01L2224/45144 , H01L2224/48095 , H01L2224/73265 , H01L2933/0033 , H01L2933/0041 , H01L2933/005 , H01L2933/0058 , H01L2933/0066 , H01L2924/00014 , H01L2924/00
摘要： To provide an LED lighting apparatus and a method for manufacturing the same that can improve the bonding strength between an aluminum substrate and a printed wiring substrate. An LED lighting apparatus and a method for manufacturing the same, the LED lighting apparatus includes an aluminum substrate, a plurality of reflectivity-enhanced layers formed on the aluminum substrate, an LED device bonded on said plurality of reflectivity-enhanced layers, a printed wiring substrate bonded onto a region on the aluminum substrate other than a region where the plurality of reflectivity-enhanced layers are formed, a wire for connecting between the printed wiring substrate and the LED device, a frame member formed so as to surround said LED device, and a phosphor resin deposited over a region inside the frame member.
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公开(公告)号：US10825963B2
公开(公告)日：2020-11-03
申请号：US16544412
申请日：2019-08-19
IPC分类号： H01L27/15 , C09K11/55 , H01J1/62 , H01L33/56 , H05B33/14 , H01L33/50 , H01J63/04 , H01L25/075 , H01L33/52 , H01L33/62
摘要： Provided is a light-emitting device and a method for manufacturing the same which avoid a distinct color unevenness during the light emission even if variations are present among the light-emitting elements in the concentration of the phosphor that precipitates in the resin for sealing the light-emitting elements. The light-emitting device includes a substrate, a plurality of light-emitting elements that are mounted on the substrate, a first resin layer that integrally seals the light-emitting elements and includes a first phosphor that is excited by light from the light-emitting elements at a concentration that is high as it goes to a lower end near the substrate from an upper end distant from the substrate, and a second resin layer that is provided at an upper side of the first resin layer and includes a second phosphor that is excited by light from the light-emitting elements at a uniform concentration.
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公开(公告)号：US10714460B2
公开(公告)日：2020-07-14
申请号：US15577620
申请日：2016-02-09
发明人： Sadato Imai , Masahide Watanabe , Hirohiko Ishii , Koki Hirasawa
摘要： A light-emitting device and a manufacturing method thereof are provided, which device yields light exhibiting an actual hue with a deviation reduced as much as possible from a designed hue value, the light being a mixture of light emitted from a plurality of light-emitting elements mounted densely and excited light from a phosphor contained in a resin sealing the light-emitting elements. The light-emitting device includes a board, a plurality of light-emitting elements mounted densely on the board, a first resin free from any phosphor, placed among the plurality of light-emitting elements, and a second resin containing a phosphor and covering an exposed part of the plurality of light-emitting elements.
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公开(公告)号：US10559722B2
公开(公告)日：2020-02-11
申请号：US16095920
申请日：2017-04-25
发明人： Yuji Omori , Sadato Imai , Koki Hirasawa
摘要： Provided is a light-emitting device of which a resin frame serving as a dam of a sealing resin is not readily deformed. The light-emitting device includes: a planar lead frame configured from first and second metal portions which are spaced apart from each other with an insulating resin interposed therebetween; light-emitting elements mounted on the first metal portion and electrically connected by wires to the first and second metal portions; a first resin frame disposed on the lead frame so as to enclose the light-emitting elements; a sealing resin containing a phosphor for converting the wavelength of light emitted from the light-emitting elements, the sealing resin being filled into a region on the lead frame enclosed by the first resin frame to seal the light-emitting elements; and a second resin frame being harder than the first resin frame and covering an outer surface of the first resin frame at an outer edge of the lead frame.
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公开(公告)号：US10431721B2
公开(公告)日：2019-10-01
申请号：US15744318
申请日：2017-01-11
IPC分类号： H01L27/15 , C09K11/55 , H01J1/62 , H01L33/56 , H05B33/14 , H01L33/50 , H01J63/04 , H01L33/52 , H01L25/075 , H01L33/62
摘要： Provided is a light-emitting device and a method for manufacturing the same which avoid a distinct color unevenness during the light emission even if variations are present among the light-emitting elements in the concentration of the phosphor that precipitates in the resin for sealing the light-emitting elements. The light-emitting device includes a substrate, a plurality of light-emitting elements that are mounted on the substrate, a first resin layer that integrally seals the light-emitting elements and includes a first phosphor that is excited by light from the light-emitting elements at a concentration that is high as it goes to a lower end near the substrate from an upper end distant from the substrate, and a second resin layer that is provided at an upper side of the first resin layer and includes a second phosphor that is excited by light from the light-emitting elements at a uniform concentration.
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公开(公告)号：US20180138160A1
公开(公告)日：2018-05-17
申请号：US15577620
申请日：2016-02-09
发明人： Sadato Imai , Masahide Watanabe , Hirohiko Ishii , Koki Hirasawa
摘要： A light-emitting device and a manufacturing method thereof are provided, which device yields light exhibiting an actual hue with a deviation reduced as much as possible from a designed hue value, the light being a mixture of light emitted from a plurality of light-emitting elements mounted densely and excited light from a phosphor contained in a resin sealing the light-emitting elements. The light-emitting device includes a board, a plurality of light-emitting elements mounted densely on the board, a first resin free from any phosphor, placed among the plurality of light-emitting elements, and a second resin containing a phosphor and covering an exposed part of the plurality of light-emitting elements.
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