Source: https://patents.google.com/patent/US7838897B2/en
Timestamp: 2019-07-20 20:49:52
Document Index: 628432532

Matched Legal Cases: ['art 28', 'art 28', 'art 109', 'art 109', 'art 28', 'art 65', 'art 65']

US7838897B2 - Light-emitting device and method for manufacturing the same - Google Patents
US7838897B2
US7838897B2 US11/673,818 US67381807A US7838897B2 US 7838897 B2 US7838897 B2 US 7838897B2 US 67381807 A US67381807 A US 67381807A US 7838897 B2 US7838897 B2 US 7838897B2
US11/673,818
US20070187706A1 (en
2006-02-16 Priority to JP2006038950A priority Critical patent/JP4828248B2/en
2006-02-16 Priority to JP2006-038950 priority
2007-02-12 Application filed by Shinko Electric Industries Co Ltd filed Critical Shinko Electric Industries Co Ltd
2007-02-12 Assigned to SHINKO ELECTRIC INDUSTRIES CO., LTD. reassignment SHINKO ELECTRIC INDUSTRIES CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HIGASHI, MITSUTOSHI, KOIZUMI, NAOYUKI, MURAYAMA, KEI, SAKAGUCHI, HIDEAKI, SHIRAISHI, AKINORI, SUNOHARA, MASAHIRO, TAGUCHI, YUICHI
2007-08-16 Publication of US20070187706A1 publication Critical patent/US20070187706A1/en
2010-11-23 Publication of US7838897B2 publication Critical patent/US7838897B2/en
The invention provides a light-emitting device 10 including a light-emitting element 12 and a substrate 11 where the light-emitting element 12 is arranged, characterized in that a housing part 28 housing the light-emitting element 12 and having a shape that is tapered upward from the substrate 11 and a metal frame 15 surrounding the light-emitting element 12 and including the side face 28A of the housing part 28 made into a almost mirror-polished surface are provided on the substrate 11.
FIG. 1 is a cross-sectional view of a related art light-emitting device. θ1 shown in FIG. 1 represents the inclination angle of the side face 109A of a housing part 109 with respect to the bottom face 109B of the housing part 109 (hereinafter referred to as the “inclination angle θ1”).
FIG. 2 is a cross-sectional view of a light-emitting device according to the first embodiment of the invention. θ2 shown in FIG. 2 represents the inclination angle of the side face 28A of a housing part 28 with respect to the bottom face 15A of a metal frame 15 (hereinafter referred to as the “inclination angle θ2”).
For example, one or more types of metal out of Cu, Fe, Au, Ag, Al, Ni, Pd and Pt may be used as a material for the metal frame 15. In particular, a Cu alloy or an Fe—Ni alloy is preferable as a material for the metal frame 15. In case the light-emitting element 12 is 80 micrometers thick, the thickness M1 of the metal frame 15 may be for example 120 micrometers.
FIGS. 5A to 5I show the steps of manufacturing a light-emitting device according to the first embodiment of the invention. In FIGS. 5A to 5I, a same component as that of the light-emitting device 10 according to the first embodiment of the invention is given a same sign. A sign A shown in FIGS. 5D to 5F represents an area of the metal plate 35 where the metal frame 15 is formed (hereinafter referred to as the “metal frame forming area A”).
The step shown in FIG. 5D prepares a metal plate 35 including a plurality of metal frame forming areas A (refer to FIG. 6A) (metal plate preparation step). For example, one or more types of metal out of Cu, Fe, Au, Ag, Al, Ni, Pd and Pt may be used as a material for the metal plate 35. In particular, a Cu alloy or an Fe—Ni alloy is preferable as a material for the metal plate 35. The thickness M2 of the metal plate 35 is set so as to be approximately equal to the thickness M1 of the metal frame 15. To be more precise, in case the light-emitting element 12 is 80 micrometers thick, the thickness M2 of the metal plate 35 may be for example 120 micrometers.
FIG. 9 is a cross-sectional view of a light-emitting device according to the third embodiment of the invention. FIG. 10 is a plan view of the light-emitting device according to the third embodiment of the invention. In FIGS. 9 and 10, a same component as that of the light-emitting device 10 according to the first embodiment of the invention is given a same sign. In FIG. 9, θ4 represents the inclination angle of the side face 65A of a housing part 65 with respect to the bottom face 62A of a metal frame 62 (hereinafter referred to as the “inclination angle θ4”). θ5 represents the inclination angle of the side face 65B of the housing part 65 with respect to the bottom face 62A of the metal frame 62 (hereinafter referred to as the “inclination angle θ5”).
For example, one or more types of metal out of Cu, Fe, Au, Ag, Al, Ni, Pd and Pt may be used as a material for the metal frame 62. In particular, a Cu alloy or an Fe—Ni alloy is preferable as a material for the metal frame 62. In case the light-emitting element 12 is 80 micrometers thick, the thickness M3 of the metal frame 62 may be for example 120 micrometers.
FIG. 14 shows a step of manufacturing the light-emitting device according to the third embodiment of the invention. In FIGS. 14 and 15, a same component as that of the light-emitting device 60 according to the third embodiment is given a same sign. A sign E shown in FIGS. 14 and 15 represents the area of the metal plate 35 where the metal frame 62 is formed (hereinafter referred to as the “metal frame forming area E”).
FIG. 16 is a cross-sectional view of a light-emitting device according to the fourth embodiment of the invention. FIG. 17 is a plan view of the light-emitting device according to the fourth embodiment of the invention. FIG. 18 is a plan view of a metal cover. In FIG. 16, a same component as that of the light-emitting device 10 according to the first embodiment of the invention is given a same sign. M4 shown in FIG. 16 represents the thickness (hereinafter referred to as the “thickness M4”) of a metal cover 81 at a portion that comes into contact with the substrate main body 18.
A material for the metal cover 81 may be for example at least one of the metals such as Cu, Fe, Au, Ag, Al, Ni, Pd and Pt. In particular, a Cu alloy or an Fe—Ni alloy is preferable as a material for the metal cover 81. In case the light-emitting element 12 is 80 micrometers thick, the thickness M4 of the metal cover 81 may be for example 180 micrometers.
FIGS. 19A to 19F show steps of manufacturing the light-emitting device according to the fourth embodiment of the invention. In FIGS. 19A to 19F, a same component as that of the light-emitting device 80 according to the fourth embodiment is given a same sign. A sign B shown in FIGS. 19A to 19C represents the area of the metal plate 87 where the metal cover 81 is formed (hereinafter referred to as the “metal cover forming area B”).
The step shown in FIG. 19A prepares a metal plate 87 including a plurality of metal cover 81 forming areas B (refer to FIG. 20A) (metal plate preparation step). For example, at least one of the metals including Cu, Fe, Au, Ag, Al, Ni, Pd and Pt may be used as a material for the metal plate 87. In particular, a Cu alloy or an Fe—Ni alloy is preferable as a material for the metal plate 87. The thickness M5 of the metal plate 87 is set so as to be approximately equal to the thickness M4 of the metal cover 81. To be more precise, in case the light-emitting element 12 is 80 micrometers thick, the thickness M5 of the metal plate 87 may be for example 180 micrometers.
6. The light-emitting device according to claim 5, wherein the metal frame includes a bottom face adjacent to the substrate and a top face spaced from the substrate, and the cutting part defines a gap that extends between the metal frame bottom face and top face.
US11/673,818 2006-02-16 2007-02-12 Light-emitting device and method for manufacturing the same Active 2028-11-03 US7838897B2 (en)
JP2006038950A JP4828248B2 (en) 2006-02-16 2006-02-16 Emitting device and manufacturing method thereof
JP2006-038950 2006-02-16
US12/907,594 US8044429B2 (en) 2006-02-16 2010-10-19 Light-emitting device and method for manufacturing the same
US12/907,594 Division US8044429B2 (en) 2006-02-16 2010-10-19 Light-emitting device and method for manufacturing the same
US20070187706A1 US20070187706A1 (en) 2007-08-16
US7838897B2 true US7838897B2 (en) 2010-11-23
ID=37909540
US11/673,818 Active 2028-11-03 US7838897B2 (en) 2006-02-16 2007-02-12 Light-emitting device and method for manufacturing the same
US12/907,594 Active 2027-02-24 US8044429B2 (en) 2006-02-16 2010-10-19 Light-emitting device and method for manufacturing the same
US (2) US7838897B2 (en)
EP (2) EP1821345B1 (en)
JP (1) JP4828248B2 (en)
KR (1) KR20070082538A (en)
TW (1) TW200737555A (en)
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JP2014026993A (en) * 2010-11-08 2014-02-06 Panasonic Corp Ceramic substrate and light emitting diode module
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US20130056773A1 (en) * 2011-09-02 2013-03-07 Wen Kun Yang Led package and method of the same
US20150280093A1 (en) * 2012-10-25 2015-10-01 Panasonic Intellectual Property Management Co, Ltd Light emitting device, method for manufacturing same, and body having light emitting device mounted thereon
CN103775866A (en) * 2013-06-20 2014-05-07 苏州恒荣节能科技安装工程有限公司 LED lamp bead
WO2019054760A1 (en) * 2017-09-12 2019-03-21 엘지이노텍 주식회사 Light emitting device package
JP2005311314A (en) 2004-03-26 2005-11-04 Matsushita Electric Ind Co Ltd Module for mounting led, led module, method of manufacturing module for mounting led, and method of manufacturing led module
TW563263B (en) * 2002-09-27 2003-11-21 United Epitaxy Co Ltd Surface mounting method for high power light emitting diode
JP4164006B2 (en) * 2003-02-17 2008-10-08 京セラ株式会社 Package for housing a light-emitting element and a light-emitting device
2006-02-16 JP JP2006038950A patent/JP4828248B2/en active Active
2007-02-12 US US11/673,818 patent/US7838897B2/en active Active
2007-02-14 KR KR1020070015329A patent/KR20070082538A/en not_active Application Discontinuation
2007-02-15 TW TW096105656A patent/TW200737555A/en unknown
2007-02-16 EP EP07003322.0A patent/EP1821345B1/en active Active
2007-02-16 EP EP15194789.2A patent/EP3007241A1/en not_active Withdrawn
2010-10-19 US US12/907,594 patent/US8044429B2/en active Active
US8013435B2 (en) * 2007-07-20 2011-09-06 Abb Technology Ag Semiconductor module
US9673358B2 (en) * 2013-02-28 2017-06-06 Seoul Semiconductor Co., Ltd. Light emitting module
EP3007241A1 (en) 2016-04-13
JP4828248B2 (en) 2011-11-30
TW200737555A (en) 2007-10-01
US20070187706A1 (en) 2007-08-16
US8044429B2 (en) 2011-10-25
KR20070082538A (en) 2007-08-21
US20110032710A1 (en) 2011-02-10
EP1821345B1 (en) 2016-07-13
EP1821345A2 (en) 2007-08-22
JP2007220852A (en) 2007-08-30
EP1821345A3 (en) 2010-10-20
JP4659421B2 (en) 2011-03-30 Method of manufacturing a light-emitting element package for housing
JP5542890B2 (en) 2014-07-09 Method of packaging a semiconductor light emitting device and package it with distributed sealant
JP4288481B2 (en) 2009-07-01 Light emitting diode
JP5775002B2 (en) 2015-09-09 Method for manufacturing a light emitting device
US7888178B2 (en) 2011-02-15 Method to produce reflector with an outer peripheral edge portion of an upper surface uncovered by a reflection film and to produce a lightemitting device using the same reflector
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HIGASHI, MITSUTOSHI;SUNOHARA, MASAHIRO;TAGUCHI, YUICHI;AND OTHERS;REEL/FRAME:018881/0436