WO2013073181A1 - 発光モジュールおよびこれを用いたランプ - Google Patents
発光モジュールおよびこれを用いたランプ Download PDFInfo
- Publication number
- WO2013073181A1 WO2013073181A1 PCT/JP2012/007300 JP2012007300W WO2013073181A1 WO 2013073181 A1 WO2013073181 A1 WO 2013073181A1 JP 2012007300 W JP2012007300 W JP 2012007300W WO 2013073181 A1 WO2013073181 A1 WO 2013073181A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light emitting
- substrate
- heat transfer
- emitting module
- transfer member
- Prior art date
Links
- 238000012546 transfer Methods 0.000 claims abstract description 156
- 239000000758 substrate Substances 0.000 claims abstract description 128
- 239000000463 material Substances 0.000 claims description 87
- 239000004065 semiconductor Substances 0.000 claims description 45
- 230000002093 peripheral effect Effects 0.000 claims description 40
- 239000002245 particle Substances 0.000 claims description 39
- 229910052751 metal Inorganic materials 0.000 claims description 27
- 239000002184 metal Substances 0.000 claims description 27
- 239000000853 adhesive Substances 0.000 claims description 17
- 230000001070 adhesive effect Effects 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 239000002131 composite material Substances 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 2
- 150000002484 inorganic compounds Chemical class 0.000 claims 3
- 229910010272 inorganic material Inorganic materials 0.000 claims 3
- 239000011859 microparticle Substances 0.000 abstract description 59
- 239000002105 nanoparticle Substances 0.000 abstract description 52
- 229920002050 silicone resin Polymers 0.000 abstract description 31
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 2
- 239000003566 sealing material Substances 0.000 abstract 1
- 239000002114 nanocomposite Substances 0.000 description 52
- 238000007789 sealing Methods 0.000 description 34
- 230000017525 heat dissipation Effects 0.000 description 16
- 238000004519 manufacturing process Methods 0.000 description 14
- 229920005989 resin Polymers 0.000 description 14
- 239000011347 resin Substances 0.000 description 14
- 238000012986 modification Methods 0.000 description 13
- 230000004048 modification Effects 0.000 description 13
- 238000003825 pressing Methods 0.000 description 13
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 10
- 230000007423 decrease Effects 0.000 description 9
- 239000000919 ceramic Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 8
- 239000007769 metal material Substances 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000011049 filling Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 101100522110 Oryza sativa subsp. japonica PHT1-10 gene Proteins 0.000 description 3
- 101100522111 Oryza sativa subsp. japonica PHT1-11 gene Proteins 0.000 description 3
- 101100522109 Pinus taeda PT10 gene Proteins 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 229920001187 thermosetting polymer Polymers 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- -1 For example Substances 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 102100032047 Alsin Human genes 0.000 description 1
- 101710187109 Alsin Proteins 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910004283 SiO 4 Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000002296 dynamic light scattering Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/52—Encapsulations
- H01L33/56—Materials, e.g. epoxy or silicone resin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/64—Heat extraction or cooling elements
- H01L33/641—Heat extraction or cooling elements characterized by the materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
- F21V23/002—Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
- F21V3/10—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by coatings
- F21V3/12—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by coatings the coatings comprising photoluminescent substances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/48137—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being arranged next to each other, e.g. on a common substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73251—Location after the connecting process on different surfaces
- H01L2224/73265—Layer and wire connectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
- H01L2224/83909—Post-treatment of the layer connector or bonding area
- H01L2224/83951—Forming additional members, e.g. for reinforcing, fillet sealant
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/85—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a wire connector
- H01L2224/85909—Post-treatment of the connector or wire bonding area
- H01L2224/8592—Applying permanent coating, e.g. protective coating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0091—Scattering means in or on the semiconductor body or semiconductor body package
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/64—Heat extraction or cooling elements
- H01L33/642—Heat extraction or cooling elements characterized by the shape
Definitions
- the present invention relates to a light emitting module using a semiconductor light emitting element, and more particularly to a technique for improving heat dissipation.
- LED Light Emitting Diode
- the lamps described in Patent Documents 1 and 2 are a substrate, a light emitting module composed of a plurality of LED chips mounted on the substrate, a base on which the light emitting module is attached, and a part of the lamp is exposed to the outside of the lamp.
- a housing for holding the base is provided, and the base and the housing are integrally formed. In these lamps, the heat generated in the LED chip and transmitted to the base is efficiently transmitted to the housing, so that the temperature rise of the LED chip can be suppressed.
- These lamps generally use a light emitting module in which an LED chip is bonded to a substrate with an adhesive made of silicone resin or the like. The heat generated in the LED chip is transferred to the substrate through an adhesive made of silicone resin.
- the lamps described in Patent Documents 1 and 2 do not improve the heat dissipation of the adhesive that bonds the LED chip and the substrate. Therefore, the heat dissipation from the LED chip to the substrate is not sufficient, and the temperature rise of the LED chip may not be sufficiently suppressed.
- the present invention has been made in view of the above reasons, and an object of the present invention is to provide a light emitting module capable of improving heat dissipation of a semiconductor light emitting element.
- a light emitting module is disposed so as to cover a substrate, a semiconductor light emitting element disposed on the main surface side of the substrate, and a semiconductor light emitting element on the main surface side of the substrate,
- a wavelength conversion member that converts the wavelength of light emitted from the semiconductor light emitting device, and at least a part of the outer peripheral surface of the semiconductor light emitting device and the main surface of the substrate are thermally coupled to generate heat generated in the semiconductor light emitting device.
- a heat transfer member, and the heat transfer member is made of a translucent base material and particles made of a translucent material dispersed in the base material and having a higher thermal conductivity than the base material. Composed.
- the light-emitting module thermally couples at least a part of the outer peripheral surface of the semiconductor light-emitting element and the main surface of the substrate, and transfers heat generated in the semiconductor light-emitting element to the substrate.
- the heat transfer member is composed of a base material having translucency and particles made of a translucent material dispersed in the base material and having a higher thermal conductivity than the base material. Compared with the case where the heat transfer member is composed only of the base material, the heat generated in the semiconductor light emitting element is efficiently transferred to the substrate through the heat transfer member, and therefore, the suppression of the temperature rise of the semiconductor light emitting element is promoted.
- the heat transfer member is composed of a light-transmitting base material and particles made of a light-transmitting material dispersed in the base material and having a higher thermal conductivity than the base material, thereby providing a semiconductor light emitting element Since the light emitted from the light is not blocked by the heat transfer member, it is possible to suppress a decrease in the extraction efficiency of the light emitted from the semiconductor light emitting element. Furthermore, by configuring the heat transfer member from a base material and particles having a higher thermal conductivity than the base material, it is possible to improve the design flexibility of the heat transfer member.
- Embodiment 1 shows a light-emitting module according to Embodiment 1, wherein (a) is a plan view, (b) is a view of a cross section taken along the line AA ′ in (a), as viewed from the direction of the arrow, (c ) Is an enlarged cross-sectional view of a region surrounded by a one-dot chain line A1 in (b), and (d) is a cross-sectional view taken along the line BB ′ in (a) as seen from the direction of the arrow.
- FIG. 1 is a partial cross-sectional view of a light emitting module according to a comparative example
- (a-2) is a thermal circuit diagram for explaining the heat dissipation characteristics of the light emitting module according to the comparative example
- (-1) is a partial cross-sectional view of the light emitting module according to Embodiment 1
- (b-2) is a thermal circuit diagram for explaining the heat dissipation characteristics of the light emitting module according to Embodiment 1.
- FIG. It is a figure for demonstrating the heat transfer path
- FIG. 6 is a diagram for explaining optical characteristics of a heat transfer member according to Embodiment 1.
- FIG. 6 is a diagram for explaining optical characteristics of a heat transfer member according to Embodiment 1.
- FIG. 5 is a cross-sectional view in each manufacturing process of the light-emitting module according to Embodiment 1.
- FIG. 4 is a partial cross-sectional view of a light emitting module according to Embodiment 2.
- FIG. It is a figure for demonstrating the thermal radiation characteristic of the heat-transfer member which concerns on Embodiment 2.
- FIG. The light emitting module which concerns on Embodiment 3 is shown, (a) is a top view, (b) is a top view of the state which removed the sealing member about the area
- FIG. 6 is a perspective view of a lamp unit according to Embodiment 4.
- FIG. 6 is an exploded perspective view of a lamp unit according to Embodiment 4.
- FIG. It is sectional drawing of the illuminating device which concerns on Embodiment 5.
- FIG. It is a partial cross section figure of the light emitting module concerning a modification. It is a partial cross section figure of the light emitting module concerning a modification. It is a partial cross section figure of the light emitting module concerning a modification. It is a partial cross section figure of the light emitting module concerning a modification. It is a partial cross section figure of the light emitting module concerning a modification. It is a partial cross section figure of the light emitting module concerning a modification.
- the light emitting module which concerns on a modification is shown, (a) is a top view of the state which removed the sealing member about one part, (b) is a partial cross section figure. It is a partial top view of the light emitting module which concerns on a modification. It is sectional drawing of the lamp
- FIG. 1A is a plan view of a light emitting module 1 according to the present embodiment.
- FIG. 1 (b) is a cross-sectional view taken along line AA ′ in FIG. 1 as viewed from the direction of the arrow, and
- FIG. 1 (c) shows the region surrounded by the alternate long and short dash line A1 in FIG. It is expanded sectional drawing.
- the light emitting module 1 supplies power to a substrate 110, a plurality of LED chips (semiconductor light emitting elements) 120 arranged in two rows on the substrate 110, and the LED chips 120. And a sealing member 140 that collectively seals the plurality of LED chips 120 for each column. Further, as shown in FIG. 1C, the light emitting module 1 includes a die attach member 150 for bonding the LED chip 120 to the substrate 110 and heat transfer for releasing heat generated in the LED chip 120 to the substrate 110. A member 160 is provided.
- the substrate 110 is formed in a rectangular shape in plan view, and power is supplied from the power supply circuit to the LED chip 120 at both ends in the longitudinal direction.
- a through-hole 112 for connecting a lead wire for this purpose is formed.
- a through hole 114 is formed in a substantially central portion of the substrate 110.
- the substrate 110 is not limited to a rectangular shape in plan view, and may be other shapes such as an ellipse or a polygon, and may not have the through hole 112 or the through hole 114 formed therein.
- the substrate 110 is made of, for example, a ceramic having high heat conductivity and excellent heat dissipation.
- the substrate 110 is transparent to visible light. Therefore, even when the LED chip 120 is mounted only on one surface side in the thickness direction of the substrate 110, light emitted from the LED chip 120 is also emitted from the other surface side in the thickness direction of the substrate 110. It is possible to obtain omnidirectional light distribution characteristics.
- alumina (Al 2 O 3 ) which is a kind of translucent ceramic having a transmittance of 96%, may be used.
- the material of the substrate 110 is not limited to ceramics, and may be resin or glass. Moreover, a metal (for example, aluminum etc.) may be sufficient if a light distribution characteristic is not considered.
- the LED chip 120 constitutes an element row in which 20 LED chips 120 are arranged in two rows along the longitudinal direction of the substrate 110. ing. These element arrays are provided in parallel so as to sandwich the through hole 112 in the short direction of the substrate 110. Note that the number of LED chips 120 is not limited to 20, and may be appropriately changed according to the use of the light emitting module 1, and the element row may be a single row. Alternatively, a plurality of three or more rows may be provided.
- the LED chip 120 is a surface mount type (so-called COB type) LED.
- the electrode (not shown) is provided in the upper surface of the LED chip 120.
- the plurality of LED chips 120 are connected in series via metal wires 122 that electrically connect the electrodes of the LED chips 120 adjacent to each other.
- the LED chip 120 is an LED formed of a GaN-based material that emits blue light.
- the LED chip 120 emits light from an active layer made of a semiconductor interposed between a clad layer made of an N-type semiconductor and a clad layer made of a P-type semiconductor.
- the LED chip 120 has a rectangular parallelepiped shape, and light emitted from the active layer of the LED chip 120 is not only from the top and bottom surfaces of the LED chip 120 but also from the four side surfaces. Radiated to the outside. That is, the light emitting surface of the LED chip 120 is an upper surface, a bottom surface, and four side surfaces. Further, the LED chip 120 generates heat as well as light.
- the wiring pattern 130 is formed on each of both ends of the substrate 110 in the longitudinal direction.
- the wiring pattern 130 extends along two adjacent sides of the substrate 110 from both sides of the land portion 130a disposed in the outer periphery of the through hole 112 of the substrate 110 and both sides of the land portion 130a in the short direction of the substrate 110.
- two leg portions 130b Two element rows are arranged between the wiring patterns 130 formed at both ends in the longitudinal direction of the substrate 110.
- the land portion 130a of each wiring pattern 130 is electrically connected to the tip end portion of the lead wire inserted through each of the through holes 112 of the substrate 110 by soldering or the like.
- One of the two wiring patterns 130 is connected to the output terminal on the high potential side of the power supply circuit, and the other is connected to the output terminal on the low potential side of the power supply circuit.
- the wiring pattern 130 is made of a conductive material such as silver (Ag), tungsten (W), copper (Cu), or ITO (Indium Tin Oxide).
- the leg 130 b of each wiring pattern 130 and the LED chip 120 are electrically connected via a metal wire 124.
- the surface of the wiring pattern is plated with nickel (Ni) / gold (Au) or the like, and the other end portion of the land portion 130a and the leg portion 130b opposite to the one end portion continuous with the land portion 130a ( A portion other than the portion where the end of the metal wire 124 is bonded may be coated with glass or the like.
- One of the two wiring patterns 130 may be grounded.
- the sealing member 140 is provided along the longitudinal direction of the substrate 110 so as to cover each of the two element rows.
- the sealing member 140 is formed of a translucent resin material containing a phosphor.
- the sealing member 140 functions as a wavelength conversion member that converts the wavelength of light emitted from the LED chip 120.
- the translucent resin material examples include silicone resin, fluorine resin, silicone-epoxy hybrid resin, urea resin, epoxy resin, urethane resin, acrylic resin, polycarbonate resin, and the like.
- the material of the sealing member 140 is not limited to a translucent resin material, and may be glass or the like mainly containing SiO 2 or the like.
- an organic-inorganic hybrid translucent material may be used as the material of the sealing member 140. This organic-inorganic hybrid translucent body is composed of glass and resin.
- the phosphor examples include YAG phosphor ((Y, Gd) 3 Al 5 O 12 : Ce 3+ ), silicate phosphor ((Sr, Ba) 2 SiO 4 : Eu 2+ ), and nitride.
- Phosphors ((Ca, Sr, Ba) AlSiN 3 : Eu 2+ ) and oxynitride phosphors (Ba 3 Si 6 O 12 N 2 : Eu 2+ ) can be used.
- white light is obtained by mixing the blue light emitted from each LED chip 120 and the yellow-green emitted by converting a part of the blue light by the phosphor.
- the sealing member 140 does not necessarily contain a phosphor. Further, since the LED chip 120 is sealed with the sealing member 140, the LED chip 120 can be prevented from being deteriorated.
- die attach member 150 is interposed between the LED chip 120 and the main surface of the substrate 110, and the LED chip 120 is attached to the substrate 110. Adhere to and fix.
- the die attach member 150 is made of an adhesive made of a heat conductive resin having translucency such as a silicone resin. Thus, since the die attach member 150 has translucency, the light emitted from the bottom surface of the LED chip 120 is transmitted through the die attach member 150 and propagates into the substrate 110.
- the thermal resistance of the die attach member 150 is calculated by the following equation (1).
- RthD is the thermal resistance of the die attach member 150
- TD is the thickness of the die attach member 150
- SD is the cross-sectional area of the die attach member 150
- ⁇ D is the thermal conductivity of the die attach member 150.
- the thermal conductivity of the silicone resin is 0.15 W / m ⁇ K.
- the thermal resistance of the die attach member 150 is about 100 (K / W).
- the heat transfer member 160 has a function of releasing heat generated when the LED chip 120 emits light to the substrate 110. As shown in FIGS. 1C and 1D, the heat transfer member 160 is disposed in the outer peripheral region of the LED chip 120 on the substrate 110 and is in contact with the four side surfaces of the LED chip 120. And the substrate 110 are thermally coupled. This “thermally coupled” means that heat can be conducted from one to the other between the two objects to be coupled. Further, the heat transfer members 160 arranged in the outer peripheral area of each of the two adjacent LED chips 120 are not in contact with each other.
- the heat transfer member 160 includes a light-transmitting base material and particles made of a light-transmitting material that is dispersed in the base material and has a higher thermal conductivity than the base material.
- the heat transfer member 160 includes a composite material 162 including a silicone resin that is a light-transmitting base material and nanoparticles dispersed in the silicone resin, and microparticles 161.
- the nanoparticles and the microparticles correspond to particles made of a translucent material having a higher thermal conductivity than the base material.
- the composite material 162 is referred to as a nanocomposite.
- the nanocomposite 162 plays a role of holding the microparticles 161.
- the nanoparticle means a particle having an average particle diameter of 450 nm or less which is a wavelength of blue light
- the microparticle 161 is an particle having an average particle diameter of 1 ⁇ m to 100 ⁇ m which is larger than 660 nm which is a wavelength of red light.
- materials for the nanoparticles and the microparticles 161 for example, ZnO, MgO, sapphire, Al 2 O 3 , Y 2 O 3 , TiO 2 , or ZrO 2 may be used.
- the translucent material which comprises a nanoparticle and a microparticle excludes fluorescent material. Therefore, the wavelength of the light emitted from the LED chip 120 is not converted when passing through the heat transfer member 160.
- the color of light emitted from the light emitting module 1 is converted by the color of light emitted from the LED chip 120 and the sealing member 140. It is determined only by the color of the light coming out. Thereby, there exists an advantage that the color of the light radiate
- the average particle diameter of the microparticles 161 is larger than the visible light wavelength
- the average particle diameter of the nanoparticles is the visible light wavelength. Will be smaller.
- sapphire has a thermal conductivity of 42 (K / m ⁇ W)
- Al 2 O 3 has a thermal conductivity of 36 (K / m ⁇ W)
- Y 2 O 3 has a thermal conductivity of 11 ( K / m ⁇ W)
- ZnO and MgO have a thermal conductivity of 54 (W / m ⁇ K)
- ZrO 2 has a thermal conductivity of 3.0 (W / m ⁇ K).
- the conductivity is higher than 0.15 (W / m ⁇ K).
- These ceramics can be used as a material of microparticles 161 or nanoparticles that constitute a part of the heat transfer member 160.
- the microparticle 161 may be formed from MgO and the nanoparticle may be formed from ZrO 2 .
- MgO constituting the microparticle 161 has a higher thermal conductivity than ZrO 2 constituting the nanoparticle.
- the microparticles 161 may be a plurality of types of particles having different average particle sizes. For example, when two types of microparticles having different average particle diameters are used, the average particle diameter of the microparticles having the smaller average particle diameter (hereinafter referred to as “small microparticles”) is larger. When the microparticles (hereinafter referred to as “large microparticles”) are closely packed in the heat transfer member 160, it is preferable that the size is not larger than the size of the gap formed between adjacent large microparticles. Thereby, since the filling rate of the microparticles 161 in the heat transfer member 160 can be increased, the heat transfer property from the LED chip 120 to the substrate 110 can be improved.
- the average particle diameters of the microparticles 161 and the nanoparticles are measured by a measurement method using a dynamic light scattering method (for example, a measurement method using a Nanotrac-UT 151 manufactured by Nikkiso Co., Ltd. as a measurement device). Then, the nanoparticles are mixed in a solvent such as an organic solvent, and the concentration of the contained nanoparticles is measured using a solution having a concentration of less than 30 wt%. This is because if the concentration of the solution is 30 wt% or more, an accurate value cannot be obtained due to the influence of multiple scattering.
- the “average particle size” in the present specification is the result of cumulative addition of the volume of the nanoparticles from the smaller particle size to the total volume of the nanoparticles calculated from the particle size distribution obtained by measurement. This corresponds to the particle size when the cumulative volume is 50% of the total volume.
- the average particle diameters of the microparticles 161 and the nanoparticles are measured using the results of observing the fractured surface using a scanning electron microscope (SEM) after breaking the heat transfer member 160 at an arbitrary position. Also good.
- the number of side surfaces of the LED chip 120 with which the heat transfer member 160 contacts is not limited to four, and may be one or more and three or less.
- the heat transfer member 160 is not limited to a member that is in contact with the entire side surface of the LED chip 120, and is, for example, a member that is in contact with a part (for example, the lower portion) of the side surface of the LED chip 120. There may be.
- FIG. 2A-1 is a partial cross-sectional view of the light emitting module according to the comparative example
- FIG. 2A-2 is a thermal circuit diagram for explaining the heat dissipation characteristics of the light emitting module according to the comparative example.
- 2 (b-1) is a partial cross-sectional view of the light emitting module 1 according to the present embodiment
- FIG. 2 (b-2) shows the heat dissipation characteristics of the light emitting module 1 according to the present embodiment. It is a thermal circuit diagram for demonstrating.
- the heat generated by the LED chip 120 is released to the substrate 110 through the heat dissipation path (see arrow AR1 in FIG. 2A-1) via the die attach member 150. Therefore, assuming that the LED chip 120 is the heat source P, the die attach member 150 is the thermal resistance RthD, and the housing for housing the substrate 110 and the substrate 110 is the thermal resistance RthH, a thermal circuit diagram as shown in FIG. Can be represented.
- the heat generated by the LED chip 120 is transferred to the heat dissipation path (arrow AR1 in FIG. 2 (b-1)) via the die attach member 150.
- the heat radiation path (see arrow AR2 in FIG. 2B-1) is discharged to the substrate 110. Therefore, assuming that the LED chip 120 is a heat source P, the die attach member 150 is a thermal resistance RthD, the heat transfer member 160 is a thermal resistance Rthn, the substrate 110 and the housing for housing the substrate 110 are thermal resistance RthH, FIG.
- Rsyn is the combined thermal resistance
- RthD is the thermal resistance of the die attach member 150
- Rthn is the thermal resistance of the heat transfer member 160.
- the magnitude of the combined thermal resistance Rsync of the die attach member 150 and the heat transfer member 160 is one tenth of the magnitude of the thermal resistance RthD of the die attach member 150 alone.
- the thermal resistance RthD of the die attach member 150 may be set to one-ninth. For example, when the thermal resistance RthD of the die attach member 150 is 100 (K / W), the thermal resistance Rthn of the heat transfer member 160 may be about 11 (K / W).
- the heat transfer path means a path until the heat generated by the LED chip 120 is released to the substrate 110.
- the main heat transfer path PT10 is formed by one microparticle 161. Only the microparticles 161 having higher thermal conductivity than the nanocomposite 162 are present in the heat transfer path PT10.
- the main heat generated in the LED chip 120 is obtained.
- the heat transfer path PT11 enters from the LED chip 120 into one microparticle 161 that contacts the side surface of the LED chip 120, and then contacts the substrate 110 through the contact portion of the two microparticles 161.
- 161 is a path that enters the substrate 161 and reaches the substrate 110. Even in this case, only the microparticles 161 having higher thermal conductivity than the nanocomposite 162 are present in the heat transfer path PT11.
- the microparticles 161 that are in contact with the side surfaces of the LED chip 120, the microparticles 161 that are in contact with the main surface of the substrate 110, and the two microparticles 161 are interposed.
- the main heat transfer path PT20 is formed.
- the heat transfer path PT10 shown in FIG. Compared with the heat transfer path PT11 shown in b), the heat resistance per unit length in the heat transfer path PT20 is increased, and the heat dissipation is reduced accordingly.
- FIG. 4 is a diagram for explaining the optical characteristics of the heat transfer member according to the present embodiment.
- the light emitted from the LED chip 120 enters the heat transfer member 160 from the side surface of the LED chip 120, propagates through the heat transfer member 160, and is emitted to the outside of the heat transfer member 160, as shown in FIG. There are ingredients to be processed.
- the refractive index of the microparticle 161 is larger or smaller than the refractive index of the nanocomposite 162
- light is scattered at the interface between the microparticle 161 and the nanocomposite 162 as shown in FIG.
- the light extraction efficiency of the LED chip 120 may be reduced.
- the nanocomposite 162 in which the nanoparticles are dispersed in the base material has a volume fraction of the nanoparticles constituting a part of the nanocomposite is 0%, the material constituting the base material alone
- the volume fraction of the nanoparticles is 100%, it is the refractive index of the single material constituting the nanoparticles, and when the volume fraction of the nanoparticles is between 0% and 100%, We focus on the fact that the refractive index changes in proportion to the volume fraction.
- the refractive index of the nanocomposite 162 having a volume fraction of nanoparticles of 0% is equivalent to the refractive index of 1.4 of the silicone resin alone.
- the refractive index of the nanocomposite 162 when the volume fraction of the nanoparticles is 100% is equivalent to the refractive index 2.4 of ZrO 2 alone.
- the refractive index of the nanocomposite 162 is a value between 1.4 and 2.4.
- FIG. 5 (a) A straight line showing the relationship between the volume fraction of the nanoparticles composed of ZrO 2 dispersed in the nanocomposite 162 and the refractive index of the nanocomposite 162 is shown in FIG. 5 (a), and main lines such as silicone resin and ZrO 2 are shown.
- the refractive index of the ceramic is shown in FIG.
- the volume fraction of nanoparticles in the nanocomposite 162 so that the refractive index of the nanocomposite 162 constituting a part of the heat transfer member 160 is the same as the refractive index of MgO constituting the microparticle 161. Is set. As shown in FIG. 5B, since the refractive index of MgO is 1.72, the volume fraction of nanoparticles composed of ZrO 2 in the nanocomposite 162 may be set to about 25% (FIG. 5 ( a) See broken line).
- the nanocomposite 162 has a property of becoming brittle when the volume fraction of the contained nanoparticles is increased.
- the volume fraction of the nanoparticles is 80% or more, there is a high possibility that the nanocomposite 162 becomes brittle. Therefore, even if the same refractive index is obtained, it is desirable from the viewpoint of the brittleness of the nanocomposite 162 to lower the volume fraction of the nanoparticles by using nanoparticles having a large refractive index.
- FIG. 6 shows cross-sectional views in each manufacturing process of the light emitting module 1 according to the present embodiment.
- the LED chip 120 is disposed on one side of the substrate 110 in the thickness direction. At this time, the LED chip 120 is fixed to the substrate 110 by the die attach member 150. In the present embodiment, 20 LED chips 120 are provided.
- a mask 1000 having a plurality of through holes 1002 formed in advance is prepared and prepared so that each of the through holes 1002 of the mask 1000 and the LED chip 120 face each other.
- the center positions of the through holes 1002 of the mask 1000 substantially coincide with the center positions of the LED chips 120 arranged on the substrate 110.
- the through hole 1002 has a substantially rectangular shape in plan view and is larger than the outer dimensions of the LED chip 120.
- the substrate 110 and the mask 1000 are bonded together so that each LED chip 120 is inserted into the through hole 1002 of the mask 1000 as indicated by an arrow in FIG. At this time, a gap is formed between the side surface of the LED chip 120 and the inner wall of the through hole 1002 of the mask 1000.
- the mask 1000 is fixed to the substrate 110 such that each through hole 1002 surrounds the LED chip 120. Note that the substrate 110 and the mask 1000 are fixed using an adhesive (not shown) having a weaker adhesive force than an adhesive formed of a silicone resin.
- a mixed liquid 1160 composed of microparticles 161 and nanocomposites 162 serving as a base of the heat transfer member 160 is placed in the through holes 1002 of the mask 1000.
- This mixed liquid 1160 is manufactured by first mixing and stirring nanoparticles made of ZnO 2 in a silicone resin, and then mixing and stirring microparticles 161 made of MgO.
- the liquid mixture 1160 is sequentially filled for each through hole 1002 of the mask 1000 using a dispenser. Further, the filling volume inside the through-hole 1002 is calculated in advance so that the mixed liquid 1160 does not overflow from the through-hole 1002, and is filled with a constant filling amount using a metering nozzle. This filling volume is calculated based on the filling volume inside the through hole 1002 and the volume of the LED chip 12.
- the heat transfer member 160 is formed by applying heat to the entire substrate 110.
- the light-emitting module 1 is completed by selectively removing the adhesive used to fix the substrate 110 and the mask 1000 from the substrate 110.
- the light emitting module 1 includes the heat transfer member 160 that thermally couples the side surface of the LED chip 120 and the main surface of the substrate 110 and releases heat generated in the LED chip 120 to the substrate 110.
- the heat transfer member 160 that thermally couples the side surface of the LED chip 120 and the main surface of the substrate 110 and releases heat generated in the LED chip 120 to the substrate 110.
- the heat transfer member 160 includes a translucent silicone resin, a nanocomposite 162 dispersed in the silicone resin and having translucency, and translucent microparticles 161, whereby an LED is formed. Since the light emitted from the chip 120 is not blocked by the heat transfer member 160, it is possible to suppress a decrease in the extraction efficiency of the light emitted from the LED chip 120.
- the heat transfer member 160 includes a nanocomposite 162 in which nanoparticles made of ZrO 2 are dispersed in a silicone resin, and microparticles 161. Then, by changing the volume fraction of the nanoparticles in the nanocomposite 162, the refractive index of the nanocomposite 162 can be freely set so as to approach the refractive index of the microparticle 161. Thereby, since the selection range of the material used for the microparticle 161 can be expanded, the improvement of the design freedom of the heat-transfer member 160 can be aimed at.
- ⁇ Embodiment 2> Hereinafter, the structure of the light emitting module 2 according to the present embodiment will be described.
- FIG. 7 is a partial cross-sectional view of the light emitting module 2.
- the light emitting module 2 has substantially the same configuration as the light emitting module 1 according to the first embodiment, and the heat transfer member 260 does not include the microparticles 161 and is configured from a single nanocomposite. This is different from the first embodiment. Therefore, in the present embodiment, the heat transfer member 260 will be described.
- symbol is attached
- the heat transfer member 260 has a function of releasing heat generated in the LED chip 120 to the substrate 110 as in the first embodiment. As shown in FIG. 7, the heat transfer member 260 is disposed between the four side surfaces orthogonal to the main surface of the substrate 110 on the outer peripheral surface of the LED chip 120 and the main surface of the substrate 110, and the LED chip 120 and the substrate 110. And are thermally coupled.
- the heat transfer member 260 is composed of a nanocomposite in which nanoparticles made of ZrO 2 are dispersed in a silicone resin as a base material.
- Vd is the volume fraction of the nanoparticles
- ⁇ m is the thermal conductivity of the nanocomposite
- ⁇ d is the thermal conductivity of the single material constituting the nanoparticle
- ⁇ c is the thermal conductivity of the substrate.
- the thermal conductivity of the silicone resin is 0.15 (W / m ⁇ K), the thermal conductivity of ZnO and MgO is 54 (W / m ⁇ K), and the thermal conductivity of TiO is 8.
- the thermal conductivity of 0 (W / m ⁇ K) and ZrO 2 is 3.0 (W / m ⁇ K). From these thermal conductivities and formula (3), the relationship between the volume fraction of nanoparticles and the thermal conductivity of nanocomposites can be represented by a curve as shown in FIG.
- Nanocomposites have the property that brittleness increases as the volume fraction of the contained nanoparticles increases. Therefore, it is advantageous from the viewpoint of the reliability of the light emitting module 2 to select a material that can obtain a higher thermal conductivity with a lower volume fraction, for example, ZnO or MgO, as the material constituting the nanoparticles.
- the heat transfer member 260 can be disposed in contact with each of the four side surfaces that are the light emission surfaces of the LED chip 120.
- the heat transfer member 260 is composed of a nanocomposite made of a silicone resin in which nanoparticles made of ZrO 2 are dispersed, the efficiency of extracting light emitted from the LED chip 120 is maintained, but compared to a silicone resin alone. Improvement in thermal conductivity can be achieved.
- the heat resistance of the heat transfer member 260 may be set to 1/9 of the heat resistance of the die attach member 150.
- the thermal resistance of the die attach member 150 when the thermal resistance of the die attach member 150 is 2 (K / W), the thermal resistance of the heat transfer member 260 may be 0.2 (K / W).
- the cross-sectional area of the heat path passing through the die attach member 150 is Sd
- the length is Ld
- the thermal conductivity is ⁇ d
- the cross-sectional area of the heat path passing through the heat transfer member 260 is Sn
- the length is Ln.
- the cross-sectional area of the heat path which passes the heat-transfer member 260 is twice the cross-sectional area of the heat path which passes the die-attach member 150, and the heat which passes the heat-transfer member 260 If the length of the path is four times the length of the heat path through the die attach member 150, the thermal conductivity ⁇ d of the die attach member 150 is 0.15 W / m ⁇ K, and the formula ( From the relational expression represented by 4), the thermal conductivity ⁇ n required for the nanocomposite constituting the heat transfer member 260 is 2.7 W / m ⁇ K.
- the base material of the nanocomposite is a silicone resin
- the volume fraction of the nanoparticles is about 60%
- the material to form the nanoparticles is TiO
- the volume fraction of the nanoparticles is about 71% to form the nanoparticles.
- the material is ZrO 2
- the volume fraction of nanoparticles is about 95%. From the viewpoint of the brittleness of the nanocomposite described above, ZnO and MgO are advantageous as materials for forming the nanoparticles.
- FIG. 9 shows a light emitting module according to the present embodiment, where (a) is a plan view, and (b) is a plan view in a state where a sealing member is removed from a region surrounded by an alternate long and short dash line A2 in (a). (C) is a partial cross-sectional view.
- the light emitting module 1001 includes a substrate 1110, a plurality of LED chips 120, a sealing member 1140, and a plurality of LED chips 120 arranged in the outer peripheral region of each of the plurality of LED chips 120.
- the heat transfer member 160 is provided.
- the substrate 1110 is formed in a rectangular plate shape, a wiring pattern is formed on one surface, and an annular frame body 1118 in a plan view is disposed at a substantially central portion of the one surface.
- the wiring pattern includes an electrode pad 1130a for receiving power from an external power source and a land portion 1130b for electrically connecting two adjacent LED chips 120 to each other.
- the land portion 1130b is disposed between two LED chips 120 adjacent in the column direction (vertical direction in FIG. 9A) in the region inside the frame body 1118 on the main surface side of the substrate 1110.
- the substrate 1110 is constituted by a member having a two-layer structure in which an insulating layer made of a ceramic substrate or a heat conductive resin is formed on a plate made of a metal material such as aluminum.
- the plurality of LED chips 120 are arranged in a matrix on the main surface side of the substrate 1110, and form a substantially circular outline as a whole.
- the arrangement of the plurality of LED chips 120 is not limited to the arrangement shown in FIG.
- the LED chips 120 are covered with a heat transfer member 160 and a sealing member 1140 provided inside the frame 1118. As shown in FIGS. 9B and 9C, the electrode provided on the upper surface of the LED chip 120 and the land portion 1130 b are electrically connected via a metal wire 1122. The two LED chips 120 adjacent to each other are electrically connected to each other via a land portion 1130b disposed at a position corresponding to the two LED chips 120 and two metal wires 1122. Further, the heat transfer member 160 is arranged so as not to cover the electrodes of the LED chip 120, the land portion 1130b constituting the part of the wiring pattern, and the metal wire 1122.
- FIG. 10A is a perspective view of the lamp 100
- FIG. 10B is a cross-sectional view of the lamp 100.
- the lamp 100 includes a light emitting module 1 that is a light source, a translucent globe 10, a base 30 that receives power, a stem 40, a support member 50, and a housing. 60 and a pair of lead wires 70a and 70b. Further, as shown in FIG. 10B, the lamp 100 includes a power supply circuit 80 housed in the housing 60.
- the light emitting module 1 serves as a light source of the lamp 100 and is disposed in the globe 10 as shown in FIG. Specifically, the light emitting module 1 is disposed at a substantially central portion of the spherical portion in the globe 10. As described above, the light emitting module 1 is arranged at substantially the center position of the spherical portion of the globe 10, whereby the lamp 100 can obtain an omnidirectional light distribution characteristic approximate to that of an incandescent bulb using a conventional filament coil. it can.
- the light emitting module 1 receives power supply from the power supply circuit 80 via the two lead wires 70a and 70b.
- the leading ends of the two lead wires 70a and 70b are inserted through the through holes 112 penetrating the both ends in the longitudinal direction of the light emitting module 1, It is electrically connected to the wiring pattern 130 via the solder 90.
- the globe 10 has a shape in which one is closed in a spherical shape and the other has an opening. That is, the globe 10 has a shape in which a part of a hollow sphere is narrowed while extending in a direction away from the center of the sphere, and an opening is formed at a position away from the center of the sphere.
- the shape of the globe 10 in the present embodiment is an A shape (JIS C7710) similar to a general incandescent bulb.
- the globe 10 is made of a translucent material such as silica glass that is transparent to visible light.
- the shape of the globe 10 is not necessarily A-shaped.
- the shape of the globe 10 may be a G shape or an E shape.
- the globe 10 does not necessarily need to be transparent to visible light, and may be subjected to a diffusion treatment, for example, by applying silica to form a milky white diffusion film. Moreover, it may be colored in red or yellow, or may be provided with a pattern or picture, or a reflective film or the like may be provided on the base side of the light source like a reflex light bulb.
- the material of the globe 10 is not necessarily silica glass, and may be a transparent resin such as acrylic.
- the base 30 is for receiving power supplied from an external power source (not shown) to the power supply circuit 80.
- the power received by the base 30 is the power line 82a, 82b is supplied to the power supply circuit 80.
- the base 30 has a bottomed cylindrical shape, and a male screw portion 32 is formed on the outer peripheral surface to be screwed into a socket (not shown) of a lighting fixture. Yes. Further, as shown in FIG. 10B, a female screw portion 34 that is screwed to the housing 60 is formed on the inner peripheral surface of the base 30.
- the base 30 is made of a conductive material such as metal.
- the base 30 is an E26 type base.
- the base 30 does not necessarily have to be an E26 type base, and may be a base having a different size such as an E17 type.
- the base 30 is not necessarily a screw-type base, and may be a base having a different shape such as a plug-in type.
- the stem 40 is for holding the light emitting module 1, and as shown in FIG. 10A, the stem 40 has a substantially rod-like shape, from the vicinity of the opening of the globe 10 toward the inside of the globe 10. It is extended. Further, as shown in FIG. 10B, the stem 40 has a flat portion 41a for mounting the light emitting module 1 on one end portion 40a disposed inside the globe 10 in the longitudinal direction. A convex portion 41b that protrudes in the extending direction of the stem 40 is provided at a substantially central portion of 41a.
- the light emitting module 1 is fixed to the one end portion 40 a of the stem 40 in a state where the convex portion 41 b is inserted into the through hole 114 provided through the substrate 110.
- the surface opposite to the surface on which the LED chip 120 is mounted on the substrate 110 of the light emitting module 1 is in contact with the flat portion 41 a of the one end portion 40 a of the stem 40.
- the stem 40 is made of a metal material such as aluminum having a relatively high thermal conductivity.
- the material forming the stem 40 is not limited to a metal material, and may be a material having a relatively high thermal conductivity such as ceramics.
- the stem 40 is formed of a material having a relatively large thermal conductivity, so that heat generated in the light emitting module 1 can easily escape to the base 30 and the globe 10 through the stem 40. As a result, it is possible to suppress a decrease in light emission efficiency and a decrease in lifetime of the LED chip 120 due to a temperature rise.
- the other end portion 40b in the longitudinal direction of the stem 40 is formed in a substantially truncated cone shape, and two insertion holes 40b1 for inserting the lead wires 70a and 70b are inserted into the other end portion 40b. 40b2 is formed.
- the substrate 110 and the stem 40 of the light emitting module 1 are fixed by an adhesive (not shown) made of silicone resin.
- an adhesive agent you may use what consists of material which made heat conductivity high, for example by disperse
- the support member 50 is disposed so as to close the opening of the globe 10.
- the support member 50 is fixed in a state of being fitted to the housing 60.
- a stem 40 is fixed to the support member 50 on the globe 10 side.
- the support member 50 and the stem 40 are fixed by screws.
- the support member 50 has a substantially disk shape, and its peripheral surface is in contact with the inner peripheral surface of the housing 60.
- a through hole 52 for inserting the lead wires 70a and 70b is formed in a substantially central portion of the support member 50. As shown in FIG.
- the lead wires 70a and 70b led out from the power supply circuit 80 are inserted through the through holes 52 of the support member 50 and the insertion holes 40b1 and 40b2 formed in the other end portion 40b of the stem 40. It extends to the light emitting module 1 and is electrically connected to the wiring pattern 130 of the light emitting module 1.
- a stepped portion 52a is formed in the peripheral portion of the support member 50, and the opening end of the globe 10 is in contact with the stepped portion 52a. Further, in the stepped portion 52a, the supporting member 50, the housing 60, and the opening end of the globe 10 are fixed by an adhesive poured into a gap formed between the stepped portion 52a and the peripheral wall of the housing 60.
- the support member 50 is made of a metal material such as aluminum.
- a material which forms the supporting member 50 it is not restricted to a metal material, For example, ceramics etc. may be sufficient.
- globe 10 you may consist of material which disperse
- the support member 50 is made of a material having high thermal conductivity, the heat conducted from the light emitting module 1 to the stem 40 is efficiently conducted to the support member 50. Further, since the support member 50 is connected to the globe 10, the heat conducted to the support member 50 is conducted to the globe 10 and released from the outer surface of the globe 10 to the atmosphere. As a result, it is possible to suppress a decrease in light emission efficiency and a decrease in lifetime of the LED chip 120 due to a temperature rise. Further, since the support member 50 is also connected to the housing 60, the heat of the light emitting module 1 conducted to the support member 50 is also released into the atmosphere from the outer surface of the housing 60.
- the housing 60 is made of a non-conductive resin material, insulates the stem 40 and the base 30 and houses the power supply circuit 80.
- the non-conductive resin material include polybutylene terephthalate (PBT) containing glass fiber.
- the housing 60 includes a cylindrical main portion 61 disposed on the stem 40 side, and a cylindrical base attachment portion 62 that is continuous with the main portion 61 and into which the base 30 is fitted. It consists of.
- the main portion 61 has an inner diameter that is substantially the same as the outer diameter of the support member 50. In a state where the support member 50 is fitted and fixed inside the main portion 61, a part of the inner peripheral surface of the main portion 61 is in contact with the peripheral surface of the support member 50. Here, since the outer surface of the main portion 61 is exposed to the outside air, the heat conducted to the housing 60 is mainly released from the main portion 61.
- the base attachment portion 62 has a male screw portion 64 that can be screwed with the female screw portion 34 formed on the inner peripheral surface of the base 30 on the outer peripheral surface thereof. Then, when the female screw portion 34 of the base 30 is screwed to the male screw portion 64, the base 30 is fitted on the base mounting portion 62, and the outer peripheral surface of the base mounting portion 62 contacts the base 30. The heat conducted to the housing 60 is also conducted to the base 30 via the base mounting portion 62 and is released from the outer surface of the base 30.
- the power supply circuit 80 is a circuit for supplying power to the light emitting module 1 and is housed in the housing 60.
- the power supply circuit 80 includes a plurality of circuit elements 80a and a circuit board 80b on which the circuit elements 80a are mounted.
- the power supply circuit 80 converts the AC power received from the base 30 into DC power, and supplies the DC power to the light emitting module 1 via the two lead wires 70a and 70b.
- a lamp (hereinafter, referred to as “lamp unit”) 2001 including the light emitting module 1001 according to Embodiment 3 will be described.
- FIG. 11 is a perspective view of the lamp according to the present embodiment
- FIG. 12 is an exploded perspective view of the lamp unit 2001.
- the lamp unit 2001 incorporates the light emitting module 1001 according to Embodiment 1 as a light source.
- the lamp unit 2001 includes a base 2020, a holder 2030, a decorative cover 2040, a cover 2050, a cover pressing member 2060, a wiring member 2070, and the like.
- the base 2020 has a disc shape and has a mounting portion 2021 at the center on the upper surface side, and the light emitting module 1001 is mounted on the mounting portion 2021.
- screw holes 2022 for screwing assembly screws 2035 for fixing the holder 2030 are provided on both sides of the mounting portion 2021.
- An insertion hole 2023, a boss hole 2024, and a notch 2025 are provided in the peripheral portion of the base 2020. The roles of the insertion hole 2023, the boss hole 2024, and the notch 2025 will be described later.
- the base 2020 is made of a metal material such as aluminum die cast.
- the holder 2030 has a bottomed cylindrical shape, and includes a disc-shaped presser plate portion 2031 and a cylindrical peripheral wall portion 2032 that extends from the periphery of the presser plate portion 2031 toward the base 2020 side.
- the light emitting module 1001 is fixed to the base 2020 by pressing the light emitting module 1001 against the mounting portion 2021 with the pressing plate 2031.
- a window hole 2033 for exposing the sealing member 1140 of the light emitting module 1001 is provided at the center of the pressing plate portion 2031.
- an opening 2034 that communicates with the window hole 2033 is formed in the peripheral portion of the presser plate portion 2031.
- the opening 2034 is for preventing the lead wire 2071 connected to the light emitting module 1001 from interfering with the holder 2030.
- an insertion hole 2036 through which the assembly screw 2035 is inserted is provided at a position corresponding to the screw hole 2022 of the base 2020 in the peripheral portion of the holding plate portion 2031 of the holder 2030.
- the light emitting module 1001 is sandwiched between the base 2020 and the holder 2030 in a state where the sealing member 1140 of the light emitting module 1001 is exposed from the window hole 2033 of the holder 2030.
- the assembly screw 2035 is inserted into the insertion hole 2036 from the side opposite to the base 2020 side of the presser plate portion 2031 and screwed into the screw hole 2022 of the base 2020.
- the holder 2030 is attached to the base 2020.
- the decorative cover 2040 has an annular shape and is disposed between the holder 2030 and the cover 2050 and covers and hides the lead wire 2071 exposed from the opening 2034, the assembly screw 2035, and the like.
- a window hole 2041 for exposing the sealing member 1140 of the light emitting module 1001 is formed at the center of the decorative cover 2040.
- the decorative cover 2040 is made of a non-translucent material such as a white opaque resin.
- the cover 2050 is formed in a substantially dome shape, and includes a main body portion 2051 that covers the sealing member 1140 and an outer flange portion 2052 that extends outward from the peripheral edge portion of the main body portion 2051. 2052 is fixed to the base 2020.
- the cover 2050 is made of a translucent material such as silicone resin, acrylic resin, or glass, for example, and light emitted from the sealing member 1140 passes through the cover 2050 and is taken out of the lamp unit 2001. .
- the cover pressing member 2060 is made of a non-translucent material such as a metal material such as aluminum or a white opaque resin, and has a circular plate shape so as not to block light emitted from the main body portion 2051 of the cover 2050. Yes.
- the outer flange portion 2052 of the cover 2050 is sandwiched and fixed between the cover pressing member 2060 and the base 2020.
- the cover pressing member 2060 is provided with a columnar boss 2061 protruding toward the base 2020 side.
- a semicircular cutout 2053 for avoiding the boss 2061 is formed at a position corresponding to the boss 2061 in the outer flange portion 2052 of the cover 2050.
- a boss hole 2024 for inserting the boss 2061 is formed at a position corresponding to the boss 2061 on the peripheral edge of the base 2020.
- Semi-circular cutouts 2054 and 2062 are formed at positions corresponding to the insertion hole 2023 of the base 2020 in the outer flange portion 2052 of the cover 2050 and the peripheral edge portion of the cover pressing member 2060. A mounting screw (not shown) to be inserted does not hit the cover pressing member 2060 or the cover 2050.
- the wiring member 2070 has a pair of lead wires 2071 electrically connected to the light emitting module 1001, and a connector 2072 is provided at the end of the lead wire 2071 opposite to the side connected to the light emitting module 1001. It is attached.
- the lead wire 2071 of the wiring member 2070 connected to the light emitting module 1001 is led out of the lamp unit 2001 through the notch 2025 of the base 2020.
- the lighting device 3001 is a downlight that is attached so as to be embedded in the ceiling C, and includes a fixture 3003, a circuit unit 3004, a dimming unit 3005, and the lamp unit 2001 described in the fifth embodiment.
- the appliance 3003 includes a lamp housing part 3003a, a circuit housing part 3003b, and an outer casing part 30033c.
- the instrument 3003 is made of a metal material such as aluminum die cast, for example.
- the lamp housing portion 3003a has a bottomed cylindrical shape, and the lamp unit 2001 is detachably attached therein.
- the circuit housing part 3003b extends on the bottom side of the lamp housing part 3003a, and the circuit unit 3004 is housed therein.
- the outer collar portion 3003c is annular and extends outward from the opening of the lamp housing portion 3003a.
- the lamp housing portion 3003a and the circuit housing portion 3003b are embedded in the embedded hole C1 penetrating the ceiling C, and the outer flange portion 3003c abuts on the peripheral portion of the embedded hole C1 on the lower surface C2 of the ceiling C. In this state, it is attached to the ceiling C by, for example, an attachment screw (not shown).
- the circuit unit 3004 is for lighting the lamp unit 2001, and has a power supply line 3004a electrically connected to the lamp unit 2001, and a lead wire 2071 of the lamp unit 2001 is provided at the tip of the power supply line 3004a.
- a connector 3004b that is detachably connected to the connector 2072 is attached.
- the lamp unit 2001 and the circuit unit 3004 are separately unitized, but a circuit corresponding to the circuit unit 3004 may be built in the lamp unit.
- the dimming unit 3005 is for the user to set the color temperature of the illumination light of the lamp unit 2001.
- the dimming unit 3005 is electrically connected to the circuit unit 3004 and receives a dimming signal in response to a user operation. Output to the circuit unit 3004.
- the example of the lighting device 3001 including the lamp unit 2001 described in the fifth embodiment has been described.
- the lighting device according to the present invention is not limited to this example.
- a lighting device including the lamp 100 described in the fourth embodiment may be used.
- the example in which the heat transfer member 160 is in contact with only the side surface of the LED chip 120 has been described, but the present invention is not limited to this.
- the heat transfer member 360 has a surface (upper surface) opposite to the surface (bottom surface) on the die attach member 150 side of the LED chip 120 in addition to the side surface. It may be disposed so as to cover the upper surface of the LED chip 120.
- region of each two adjacent LED chips 120 demonstrated the example which is not mutually touching, it is limited to this. Instead, for example, the heat transfer members 160 arranged in the outer peripheral area of each of the two adjacent LED chips 120 may be in contact with each other.
- the region where the LED chip 120 and the like are disposed between the substrate 110 and the sealing member 140a is filled with the heat transfer member 360a. Also good.
- the die attach member 350 may be made of an adhesive including microparticles 351 and nanocomposites 352.
- the sealing member 440 has a hollow structure, and a gap is formed between the inner peripheral surface of the sealing member 440 and the LED chip 120 and the heat transfer member 160. May be formed.
- a surface mounted LED 520 may be used.
- the LED 520 includes a package 542 formed of a light-transmitting material such as PCA, an LED chip 120 mounted using a connecting member 544 made of solder or the like inside the package 542, and a seal that seals the inside of the package 542.
- a stop member 540 In this case, as shown in FIG. 16B, the heat transfer member 560 is in contact with the side surface of the package 542, and the heat conducted from the LED chip 120 to the package 542 passes through the heat transfer member 560 and the die attach member 550.
- the heat transfer member 560 includes microparticles 561 and nanocomposites 562.
- the package 842 may be fixed by a die attach member 150 and a heat transfer member 160 and sealed by a sealing member 840.
- the package 842 is fixed to the substrate 110 with an adhesive 750.
- the present invention is not limited to this.
- the portion may cover the land portion 1130b.
- FIGS. 18A and 18B and FIG. 19 are partial cross-sectional views of the light emitting modules 8a, 8b, and 8c according to the present modification.
- the electrode portion of the LED chip 120 is not covered with the heat transfer member 160a, and a part of the heat transfer member 160a is covered with the land portion 1130b.
- the heat generated in the LED chip 120 can be released to the substrate 1110 side via the land portion 1130b having good thermal conductivity.
- the electrode portion of the LED chip 120 is covered with the heat transfer member 160b, and the land portion 1130b is not covered with the heat transfer member 160b.
- the heat generated in the LED chip 120 can be released from the electrode portion of the LED chip 120 to the substrate 1110 side via the heat transfer member 160b.
- both the electrode portion of the LED chip 120 and the land portion 1130b are covered with the heat transfer member 160c.
- the step part 163c is provided in a part of outer peripheral surface of the heat-transfer member 160c.
- the heat generated in the LED chip 120 can be released to the substrate 1110 side via the land portion 1130b having good thermal conductivity, and also from the electrode portion of the LED chip 120 via the heat transfer member 160c. Can be discharged to the substrate 1110 side.
- the size of the portion of the metal wire 1122 embedded in the heat transfer member 160c is reduced by providing the step 163c on a part of the outer peripheral surface of the heat transfer member 160c.
- FIG. 20A shows a plan view of the light emitting module 1002 according to this modification in a state where the sealing member 1140 is removed from a part of the region
- FIG. 20B shows a partial cross-sectional view.
- the plan view of the entire light emitting module 1002 is substantially the same as the configuration shown in FIG. 9A described in the third embodiment. Further, the same components as those in the third embodiment are denoted by the same reference numerals, and description thereof will be omitted as appropriate.
- the heat transfer member 460 collectively covers the outer peripheral regions of the plurality of LED chips 120 on the substrate 1110 and the upper surfaces of the plurality of LED chips 120 in a lump.
- the heat generated in the LED chip 120 can be released to the substrate 1110 side via the land portion 1130b with good thermal conductivity, and also from the electrode portion of the LED chip 120 via the heat transfer member 460. Can be discharged to the substrate 1110 side.
- the material (mixed solution of nanocomposite and microparticles) that becomes the basis of the heat transfer member 460 is applied to the entire surface of the substrate 1110 where the plurality of LED chips 120 are disposed. Since it is good, manufacture can be facilitated as compared with the light emitting module 1001 described in Embodiment 3.
- the plan view of the entire light emitting modules 1003, 1004, and 1005 is substantially the same as the configuration shown in FIG. 9A described in the third embodiment. Further, the same components as those in the third embodiment are denoted by the same reference numerals, and description thereof will be omitted as appropriate.
- the heat transfer member 660 is formed in a strip shape, and all the outer peripheral regions of each of the plurality of LED chips 120 arranged in a row in the row direction on the main surface side of the substrate 1110. Are disposed so as to cover the region including the upper surface of the plurality of LED chips 120. That is, the heat transfer member 660 collectively covers the outer peripheral area of each of the plurality of LEDs 120 and the upper surface of the plurality of LEDs 120 in units of rows. Accordingly, the heat transfer member 660 is disposed so as to cover the electrode portion of the LED chip 120 and not cover the land portion 130b.
- the material (mixed solution of nanocomposite and microparticles) that forms the basis of the heat transfer member 660 may be simply applied in a band shape to the region on the substrate 1110 where the plurality of LED chips 120 are disposed. Therefore, manufacture can be facilitated as compared with the case where the LED chips 120 are individually applied as in the light emitting module 1001 described in the third embodiment.
- the heat generated in the LED chip 120 is also released from the electrode portion of the LED chip 120 to the substrate 1110 side via the heat transfer member 160b. It is possible to suppress a decrease in luminous efficiency.
- the size of the portion of the metal wire 1122 embedded in the heat transfer member 660 is smaller than that of the configuration shown in FIG.
- the light emitting module 1004 is substantially the same as the configuration shown in FIG. 21A, but the heat transfer member 760 does not cover the electrode portion of the LED chip 120 and the land portion 130b.
- positioned so that it may cover differs from the structure shown to Fig.21 (a).
- the heat transfer member 760 is disposed so as to cover a strip-shaped region extending along the direction in which the plurality of LED chips 120 between two adjacent rows are arranged.
- the heat generated in the LED chip 120 is released to the substrate 1110 side through the land portion 1130b having good thermal conductivity, and accordingly, the light emission efficiency of the LED chip 120 is reduced due to the improved heat dissipation. Can be suppressed.
- the size of the portion of the metal wire 1122 embedded in the heat transfer member 760 is smaller than that of the configuration shown in FIG.
- the heat transfer member 860 has outer peripheries positioned on both sides in the row direction of the plurality of semiconductor light emitting elements arranged in a line in the column direction on the main surface side of the substrate 1110. It arrange
- the heat transfer member 860 is disposed so as not to cover the electrode portion of the LED chip 120, the land portion 130 b, and the metal wire 1122.
- the material (mixed solution of nanocomposite and microparticles) that is the basis of the heat transfer member 860 only needs to be applied in a band shape to the region on the substrate 1110 where the plurality of LED chips 120 are disposed. Therefore, manufacture can be facilitated as compared with the case where the LED chips 120 are individually applied as in the light emitting module 1001 described in the third embodiment.
- the metal wire 1122 is not covered with the heat transfer member 860. Therefore, in the manufacturing process of the light emitting module 1003, the thermal contraction of the heat transfer member 860 during the heat curing of the heat transfer member 860 does not affect the metal wire 1122. It is possible to further suppress the occurrence of defects.
- the lamp 102 includes a light emitting module 7 having a sealing member 740 that does not contain a phosphor, and a wavelength conversion member 12 containing a phosphor on the inner peripheral surface of the globe 10. May be.
- the same components as those in the third embodiment are denoted by the same reference numerals.
- the sealing member includes the phosphor and functions as the wavelength conversion member.
- the present invention is not limited to this.
- a configuration in which the phosphor is not contained in the sealing member may be used. According to this configuration, the sealing member does not function as a wavelength conversion member, and light emitted from the LED chip is not converted by the sealing member, and is directly emitted to the outside of the sealing member.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Led Device Packages (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
<1>全体構成
図1(a)は、本実施の形態に係る発光モジュール1の平面図である。図1(b)は、図1におけるA-A’線で破断した断面を矢印方向から見た図であり、図1(c)は、図1(b)における一点鎖線A1で囲んだ領域を拡大した断面図である。
図1(a)に示すように、基板110は、平面視矩形状に形成されており、長手方向における両端部それぞれには、電源回路からLEDチップ120に電力を供給するためのリード線を接続するための貫通孔112が形成されている。また、基板110をヒートシンク等に固定する際の便宜を考慮して、基板110の略中央部に貫通孔114が形成されている。なお、基板110は、平面視矩形状に限られず、楕円形や多角形等その他の形状であってもよく、また、貫通孔112または貫通孔114が形成されていないものであってもよい。
図1(a)に示すように、LEDチップ120は、20個のLEDチップ120を基板110の長手方向に沿って2列に配設してなる素子列を構成している。これらの素子列は、基板110の短手方向に貫通孔112を挟む形で並列するように設けられている。なお、LEDチップ120の個数は、20個に限定されるものではなく、発光モジュール1の用途に応じて適宜変更してもよく、また、素子列は、1列だけ設けられたものでもよく、或いは、3列以上の複数列設けられたものでもよい。
図1(a)に示すように、配線パターン130は、基板110の長手方向における両端部それぞれに形成されている。この配線パターン130は、基板110の貫通孔112の外周部に配設されたランド部130aと、ランド部130aにおける基板110の短手方向における両側から基板110における隣り合う2辺に沿って延出する2つの脚部130bとから構成される。そして、基板110の長手方向における両端部に形成された配線パターン130の間に2列の素子列が配設される。ここで、各配線パターン130のランド部130aは、基板110の貫通孔112それぞれに挿通されたリード線の先端部と半田付け等により電気的に接続される。そして、2つの配線パターン130のいずれか一方には、電源回路の高電位側の出力端が接続され、他方には、電源回路の低電位側の出力端が接続される。この配線パターン130は、例えば、銀(Ag)、タングステン(W)、銅(Cu)またはITO(Indium Tin Oxide)等の導電性材料から形成されている。また、図1(c)に示すように、各配線パターン130の脚部130bとLEDチップ120とは、金属ワイヤ124を介して電気的に接続されている。
図1(a)に示すように、封止部材140は、2つの上記素子列それぞれを覆うように、基板110の長手方向に沿って設けられている。この封止部材140は、蛍光体を含有した透光性の樹脂材料で形成されている。この封止部材140は、LEDチップ120から放射された光の波長を変換する波長変換部材として機能する。
図1(c)および(d)に示すように、ダイアタッチ部材150は、LEDチップ120と基板110の主面との間に介在し、LEDチップ120を基板110に接着固定する。このダイアタッチ部材150は、例えば、シリコーン樹脂等の透光性を有する熱伝導性樹脂からなる接着剤で構成される。このように、ダイアタッチ部材150が、透光性を有するので、LEDチップ120の底面から放射された光は、ダイアタッチ部材150を透過して基板110の内部に伝播する。
伝熱部材160は、LEDチップ120が光を発する際に発生する熱を基板110へ放出する機能を有する。図1(c)および(d)に示すように、伝熱部材160は、基板110上のLEDチップ120の外周領域に配置され、LEDチップ120の4つの側面に接触しており、LEDチップ120と基板110とを熱的に結合する。この「熱的に結合」とは、結合される2つの物体間の一方から他方に熱が伝導可能な状態にすることを意味する。また、隣り合う2つのLEDチップ120各々の外周領域に配置された伝熱部材160は、互いに接していない。
ここで、本実施の形態に係る発光モジュール1の放熱経路について、比較例に係る発光モジュールの放熱経路と比較しながら説明する。
<3>伝熱部材の光学的特性
次に、伝熱部材160の光学的特性について説明する。
<4>発光モジュールの製造方法
図6に、本実施の形態に係る発光モジュール1の各製造工程における断面図を示す。
<実施の形態2>
以下、本実施の形態に係る発光モジュール2の構造について説明する。
<実施の形態3>
以下、本実施の形態に係る発光モジュール1001の構造について説明する。なお、実施の形態1と同様の構成については同一の符号を付して適宜説明を省略する。
<実施の形態4>
実施の形態1に係る発光モジュールを備えたランプ100について説明する。
<実施の形態5>
実施の形態3に係る発光モジュール1001を備えたランプ(以下、「ランプユニット」と称する。)2001について説明する。
<実施の形態6>
本実施の形態に係る照明装置3001の断面図を図13に示す。
<変形例>
(1)実施の形態1に係る発光モジュール1では、伝熱部材160がLEDチップ120の側面にのみ接触している例について説明したが、これに限定されるものではない。
これにより、伝熱部材660は、LEDチップ120の電極部分を覆い且つランド部130bを覆わないように配置されている。
10 グローブ
12 波長変換部材
30 口金
40 ヒートシンク
50 支持部材
60 筐体
70a,70b リード線
80 電源回路
82a,82b 電源線
100,102 ランプ
110 基板
112,114 貫通孔
120 LEDチップ
122,124 金属ワイヤ
130 配線パターン
130a ランド部
130b 脚部
140,640 封止部材
150 ダイアタッチ部材
160 伝熱部材
161,351 マイクロ粒子
162 ナノコンポジット
Claims (18)
- 基板と、
前記基板の主面側に配置された1または複数の半導体発光素子と、
前記半導体発光素子の外周面の少なくとも一部と前記基板の前記主面とを熱的に結合し、前記半導体発光素子で発生する熱を前記基板に伝達する伝熱部材とを備え、
前記伝熱部材は、
透光性を有する基材と、当該基材に分散され且つ当該基材よりも熱伝導率が高い透光性材料からなる粒子とから構成される
ことを特徴とする発光モジュール。 - 前記粒子は、第1種類の透光性材料から形成された第1粒子と、第2種類の透光性材料から形成された第2粒子とから構成され、
前記第1粒子の平均粒径は、赤色光の波長よりも大きく、前記第2粒子の平均粒径は、青色光の波長より小さく、
前記第1種類の透光性材料は、前記第2種類の透光性材料よりも熱伝導率が大きい
ことを特徴とする請求項1記載の発光モジュール。 - 前記第1種類の透光性材料の屈折率は、前記基材に前記第2粒子のみを分散させてなる複合材料の屈折率と同じである
ことを特徴とする請求項2記載の発光モジュール。 - 前記第1種類の透光性材料は、第1無機化合物であり、
前記第2種類の透光性材料は、第1無機化合物とは異なる第2無機化合物である
ことを特徴とする請求項2または請求項3に記載の発光モジュール。 - 前記第1粒子の平均粒径は、1μm乃至100μmである
ことを特徴とする請求項2乃至4のいずれか1項に記載の発光モジュール。 - 前記第2粒子の平均粒径は、450nm以下である
ことを特徴とする請求項2乃至5のいずれか1項に記載の発光モジュール。 - 前記基板の主面側に前記半導体発光素子を覆うように配置され、前記半導体発光素子から放出される光の波長を変換する波長変換部材を更に備える
ことを特徴とする請求項1乃至6のいずれか1項に記載の発光モジュール。 - 前記半導体発光素子は、接着剤を介して前記基板の前記主面に接着され、
前記伝熱部材の熱抵抗は、前記接着剤の熱抵抗より小さい
ことを特徴とする請求項1乃至7のいずれか1項に記載の発光モジュール。 - 前記波長変換部材は、更に、前記伝熱部材を覆い、
前記伝熱部材の熱伝導率は、前記波長変換部材の熱伝導率より大きい
ことを特徴とする請求項1乃至8のいずれか1項に記載の発光モジュール。 - 前記半導体発光素子は、底面が前記基板の前記主面と対向する形で配置され、
前記伝熱部材は、前記基板上の前記半導体発光素子の外周領域に配置され、前記半導体発光素子の側面の少なくとも一部と接触している
ことを特徴とする請求項1乃至9のいずれか1項に記載の発光モジュール。 - 前記伝熱部材は、更に、前記半導体発光素子の前記底面とは反対側の上面を覆う形で配置され、前記半導体発光素子の前記上面の少なくとも一部と接触している
ことを特徴とする請求項10記載の発光モジュール。 - 前記半導体発光素子は、複数あり、
前記伝熱部材は、複数の半導体発光素子それぞれの外周領域、および、前記複数の半導体発光素子の上面の全てを一括して覆っている
ことを特徴とする請求項11記載の発光モジュール。 - 前記半導体発光素子は、前記基板の前記主面側に行列状に複数配設してなり、
前記伝熱部材は、行単位または列単位で、複数の半導体発光素子それぞれの外周領域、および、前記複数の半導体発光素子の上面を一括して覆っている
ことを特徴とする請求項11記載の発光モジュール。 - 前記半導体発光素子は、前記基板の前記主面側に行列状に複数配設してなり、
前記伝熱部材は、前記基板の前記主面側における、隣り合う2つの行または列の間の複数の半導体発光素子の並び方向に沿って延伸する帯状の領域を覆うように配置されている
ことを特徴とする請求項10記載の発光モジュール。 - 前記半導体発光素子は、上面に電極を有し、
前記基板の前記主面側には、前記半導体発光素子から隔てて配置されたランド部を含む配線パターンが形成され、
前記半導体発光素子の前記電極と前記ランド部とが、金属ワイヤを介して電気的に接続されてなり、
前記金属ワイヤの少なくとも一部が前記伝熱部材の外部に位置している
ことを特徴とする請求項10または請求項11記載の発光モジュール。 - 請求項1乃至15のいずれか1項に記載の発光モジュールを備える
ことを特徴とするランプ。 - 基板と、前記基板の主面側に配置された半導体発光素子と、前記半導体発光素子の外周面の少なくとも一部と前記基板の前記主面とを熱的に結合し前記半導体発光素子で発生する熱を前記基板に伝熱する伝熱部材とを有する発光モジュールと、
前記発光モジュールを内部に収納するグローブと、
前記グローブの内部に配置され前記半導体発光素子から放出される光の波長を変換する波長変換部材とを備え、
前記伝熱部材は、
透光性を有する基材と、当該基材に分散され且つ当該基材よりも熱伝導率が高い透光性材料からなる粒子とから構成される
ことを特徴とするランプ。 - 請求項16または請求項17記載のランプを備える
ことを特徴とする照明装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/980,960 US9423118B2 (en) | 2011-11-15 | 2012-11-14 | Light-emitting module and lamp using same |
CN201280006821.5A CN103339751B (zh) | 2011-11-15 | 2012-11-14 | 发光模块以及使用该发光模块的灯 |
EP12848899.6A EP2660887B1 (en) | 2011-11-15 | 2012-11-14 | Light-emitting module and lamp using the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011-249860 | 2011-11-15 | ||
JP2011249860 | 2011-11-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013073181A1 true WO2013073181A1 (ja) | 2013-05-23 |
Family
ID=48429274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2012/007300 WO2013073181A1 (ja) | 2011-11-15 | 2012-11-14 | 発光モジュールおよびこれを用いたランプ |
Country Status (5)
Country | Link |
---|---|
US (1) | US9423118B2 (ja) |
EP (1) | EP2660887B1 (ja) |
JP (1) | JPWO2013073181A1 (ja) |
CN (1) | CN103339751B (ja) |
WO (1) | WO2013073181A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018041003A (ja) * | 2016-09-09 | 2018-03-15 | パナソニックIpマネジメント株式会社 | 波長変換部材、プロジェクタおよび照明装置 |
JP2018101464A (ja) * | 2016-12-19 | 2018-06-28 | パナソニックIpマネジメント株式会社 | 波長変換部材、プロジェクタおよび照明装置 |
WO2019065193A1 (ja) * | 2017-09-28 | 2019-04-04 | パナソニックIpマネジメント株式会社 | 波長変換部材及び光源 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5463478B2 (ja) * | 2011-03-04 | 2014-04-09 | シーシーエス株式会社 | ライン光照射装置 |
EP2701215B1 (en) | 2011-04-20 | 2018-01-03 | Panasonic Intellectual Property Management Co., Ltd. | Light-emitting apparatus, backlight unit, liquid crystal display apparatus, and illumination apparatus |
TWI602322B (zh) * | 2013-06-27 | 2017-10-11 | 晶元光電股份有限公司 | 發光二極體組件及製作方法 |
TWI651871B (zh) | 2013-06-27 | 2019-02-21 | 晶元光電股份有限公司 | 發光組件及製作方法 |
CN103604054B (zh) * | 2013-11-08 | 2016-08-24 | 得实半导体照明(江门)有限公司 | 一种可替换led发光芯片的led灯具 |
EP3130012B1 (en) * | 2014-04-07 | 2021-06-09 | Lumileds LLC | Lighting device including a thermally conductive body and a semiconductor light emitting device |
US9799812B2 (en) * | 2014-05-09 | 2017-10-24 | Kyocera Corporation | Light emitting element mounting substrate and light emitting device |
US10658554B2 (en) | 2014-06-19 | 2020-05-19 | Inkron Oy | LED lamp with siloxane particle material |
JP6387787B2 (ja) * | 2014-10-24 | 2018-09-12 | 日亜化学工業株式会社 | 発光装置、パッケージ及びそれらの製造方法 |
CN113178437B (zh) * | 2017-12-21 | 2023-08-11 | 厦门市三安光电科技有限公司 | 一种白光led封装结构以及白光源系统 |
CN109445191B (zh) * | 2019-01-02 | 2022-05-13 | 京东方科技集团股份有限公司 | 发光件及其制作方法、背光源和显示装置 |
KR20210017519A (ko) * | 2019-08-08 | 2021-02-17 | 삼성전자주식회사 | 디스플레이 모듈, 디스플레이 패널, 및 디스플레이 장치 |
US11189757B2 (en) * | 2019-12-12 | 2021-11-30 | Lumileds Llc | Light emitting diodes with reflective sidewalls comprising porous particles |
FR3116945B1 (fr) * | 2020-11-27 | 2023-10-27 | Valeo Vision | Montage electronique avec source lumineuse pour vehicule automobile |
CN114577865B (zh) * | 2022-05-09 | 2022-07-29 | 四川智立方博导科技有限责任公司 | 一种基于mems芯片的多通道热导式传感器阵列及分析方法 |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0786640A (ja) * | 1993-06-17 | 1995-03-31 | Nichia Chem Ind Ltd | 発光デバイス |
JP2000150969A (ja) * | 1998-11-16 | 2000-05-30 | Matsushita Electronics Industry Corp | 半導体発光装置 |
JP2006313717A (ja) | 2005-04-08 | 2006-11-16 | Toshiba Lighting & Technology Corp | 電球型ランプ |
JP2008063449A (ja) * | 2006-09-07 | 2008-03-21 | Hitachi Ltd | ポリマーナノコンポジット材料、その製造方法電子部品装置およびその製造方法 |
JP2009037995A (ja) | 2007-07-06 | 2009-02-19 | Toshiba Lighting & Technology Corp | 電球形ledランプおよび照明装置 |
JP2010275405A (ja) * | 2009-05-28 | 2010-12-09 | Panasonic Corp | 樹脂組成物およびそれを用いた発光源 |
JP2011032344A (ja) * | 2009-07-31 | 2011-02-17 | Kaneka Corp | 半導体パッケージ用硬化性樹脂組成物 |
JP2011040715A (ja) * | 2009-07-17 | 2011-02-24 | Toray Ind Inc | Led実装基板およびその製造方法 |
JP2011119292A (ja) * | 2009-11-06 | 2011-06-16 | Shin-Etsu Astech Co Ltd | 発光装置(cobモジュール) |
JP2011171320A (ja) * | 2010-02-16 | 2011-09-01 | Toshiba Lighting & Technology Corp | 発光装置及び照明装置 |
WO2011111399A1 (ja) * | 2010-03-11 | 2011-09-15 | パナソニック株式会社 | 発光モジュール、光源装置、液晶表示装置および発光モジュールの製造方法 |
JP2012229317A (ja) * | 2011-04-26 | 2012-11-22 | Nitto Denko Corp | 透明熱伝導性組成物 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7758223B2 (en) | 2005-04-08 | 2010-07-20 | Toshiba Lighting & Technology Corporation | Lamp having outer shell to radiate heat of light source |
US7501753B2 (en) * | 2005-08-31 | 2009-03-10 | Lumination Llc | Phosphor and blends thereof for use in LEDs |
US20070115686A1 (en) * | 2005-11-23 | 2007-05-24 | Luc Tyberghien | Lighting assembly, backlight assembly, display panel, and methods of temperature control |
WO2009031084A1 (en) * | 2007-09-04 | 2009-03-12 | Koninklijke Philips Electronics N.V. | Light output device |
US9287469B2 (en) | 2008-05-02 | 2016-03-15 | Cree, Inc. | Encapsulation for phosphor-converted white light emitting diode |
CN101478024B (zh) * | 2009-01-09 | 2011-07-13 | 深圳市深华龙科技实业有限公司 | Led硅封装单元 |
CN102163602B (zh) | 2010-02-16 | 2015-01-14 | 东芝照明技术株式会社 | 发光装置以及具备此发光装置的照明装置 |
US8421111B2 (en) * | 2010-12-27 | 2013-04-16 | Panasonic Corporation | Light-emitting device and lamp |
-
2012
- 2012-11-14 EP EP12848899.6A patent/EP2660887B1/en not_active Not-in-force
- 2012-11-14 US US13/980,960 patent/US9423118B2/en not_active Expired - Fee Related
- 2012-11-14 WO PCT/JP2012/007300 patent/WO2013073181A1/ja active Application Filing
- 2012-11-14 CN CN201280006821.5A patent/CN103339751B/zh not_active Expired - Fee Related
- 2012-11-14 JP JP2013544132A patent/JPWO2013073181A1/ja active Pending
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0786640A (ja) * | 1993-06-17 | 1995-03-31 | Nichia Chem Ind Ltd | 発光デバイス |
JP2000150969A (ja) * | 1998-11-16 | 2000-05-30 | Matsushita Electronics Industry Corp | 半導体発光装置 |
JP2006313717A (ja) | 2005-04-08 | 2006-11-16 | Toshiba Lighting & Technology Corp | 電球型ランプ |
JP2008063449A (ja) * | 2006-09-07 | 2008-03-21 | Hitachi Ltd | ポリマーナノコンポジット材料、その製造方法電子部品装置およびその製造方法 |
JP2009037995A (ja) | 2007-07-06 | 2009-02-19 | Toshiba Lighting & Technology Corp | 電球形ledランプおよび照明装置 |
JP2010275405A (ja) * | 2009-05-28 | 2010-12-09 | Panasonic Corp | 樹脂組成物およびそれを用いた発光源 |
JP2011040715A (ja) * | 2009-07-17 | 2011-02-24 | Toray Ind Inc | Led実装基板およびその製造方法 |
JP2011032344A (ja) * | 2009-07-31 | 2011-02-17 | Kaneka Corp | 半導体パッケージ用硬化性樹脂組成物 |
JP2011119292A (ja) * | 2009-11-06 | 2011-06-16 | Shin-Etsu Astech Co Ltd | 発光装置(cobモジュール) |
JP2011171320A (ja) * | 2010-02-16 | 2011-09-01 | Toshiba Lighting & Technology Corp | 発光装置及び照明装置 |
WO2011111399A1 (ja) * | 2010-03-11 | 2011-09-15 | パナソニック株式会社 | 発光モジュール、光源装置、液晶表示装置および発光モジュールの製造方法 |
JP2012229317A (ja) * | 2011-04-26 | 2012-11-22 | Nitto Denko Corp | 透明熱伝導性組成物 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2660887A4 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018041003A (ja) * | 2016-09-09 | 2018-03-15 | パナソニックIpマネジメント株式会社 | 波長変換部材、プロジェクタおよび照明装置 |
JP2018101464A (ja) * | 2016-12-19 | 2018-06-28 | パナソニックIpマネジメント株式会社 | 波長変換部材、プロジェクタおよび照明装置 |
WO2019065193A1 (ja) * | 2017-09-28 | 2019-04-04 | パナソニックIpマネジメント株式会社 | 波長変換部材及び光源 |
JPWO2019065193A1 (ja) * | 2017-09-28 | 2020-11-26 | パナソニックIpマネジメント株式会社 | 波長変換部材及び光源 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2013073181A1 (ja) | 2015-04-02 |
US20140078738A1 (en) | 2014-03-20 |
CN103339751A (zh) | 2013-10-02 |
CN103339751B (zh) | 2016-12-14 |
EP2660887A4 (en) | 2015-06-03 |
EP2660887A1 (en) | 2013-11-06 |
US9423118B2 (en) | 2016-08-23 |
EP2660887B1 (en) | 2017-08-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2013073181A1 (ja) | 発光モジュールおよびこれを用いたランプ | |
JP5276226B2 (ja) | 実装用基板、発光装置及びランプ | |
JP5432341B2 (ja) | 電球形ランプ及び照明装置 | |
WO2012060049A1 (ja) | 発光装置、電球形ランプ及び照明装置 | |
JP2012248687A (ja) | 発光モジュール及び照明装置 | |
WO2014083777A1 (ja) | 基板、発光装置、照明用光源及び基板の製造方法 | |
JP2016167518A (ja) | 発光装置、及び、照明装置 | |
JP5351365B1 (ja) | 発光装置及びランプ | |
JP5870258B2 (ja) | 電球形ランプ及び照明装置 | |
JP2015082550A (ja) | 発光モジュール、照明装置および照明器具 | |
JP5319853B1 (ja) | 発光モジュールおよびランプ | |
JP2014154515A (ja) | 照明用光源及び照明装置 | |
JP2013149690A (ja) | 発光装置および照明装置 | |
JP5948666B2 (ja) | 照明用光源及び照明装置 | |
JPWO2012090350A1 (ja) | 発光装置およびランプ | |
JP5563730B1 (ja) | 照明用光源及び照明装置 | |
JP5493058B1 (ja) | 電球形ランプ及び照明装置 | |
JP2015060972A (ja) | 発光モジュール、照明装置および照明器具 | |
JP5417556B1 (ja) | 電球形ランプ及び照明装置 | |
JP6112480B2 (ja) | 照明用光源および照明装置 | |
WO2014097535A1 (ja) | 照明用光源及び照明装置 | |
WO2014013656A1 (ja) | 電球形ランプ及び照明装置 | |
JP5433818B1 (ja) | 電球形ランプ及び照明装置 | |
JP2018041806A (ja) | 発光装置、及び、照明装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ENP | Entry into the national phase |
Ref document number: 2013544132 Country of ref document: JP Kind code of ref document: A |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 12848899 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13980960 Country of ref document: US |
|
REEP | Request for entry into the european phase |
Ref document number: 2012848899 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2012848899 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |