WO2012060058A1 - 電球形ランプ及び照明装置 - Google Patents
電球形ランプ及び照明装置 Download PDFInfo
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- WO2012060058A1 WO2012060058A1 PCT/JP2011/005754 JP2011005754W WO2012060058A1 WO 2012060058 A1 WO2012060058 A1 WO 2012060058A1 JP 2011005754 W JP2011005754 W JP 2011005754W WO 2012060058 A1 WO2012060058 A1 WO 2012060058A1
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- Prior art keywords
- shaped lamp
- base
- light bulb
- bulb shaped
- light
- Prior art date
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- 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
- F21V15/00—Protecting lighting devices from damage
- F21V15/01—Housings, e.g. material or assembling of housing parts
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- 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
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- 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
- F21V25/00—Safety devices structurally associated with lighting devices
- F21V25/02—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken
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- 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
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- 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
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
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- 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
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
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- 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]
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- 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
- H01L2224/44—Structure, shape, material or disposition of the wire connectors prior to the connecting process
- H01L2224/45—Structure, shape, material or disposition of the wire connectors prior to the connecting process of an individual wire connector
- H01L2224/45001—Core members of the connector
- H01L2224/45099—Material
- H01L2224/451—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof
- H01L2224/45138—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
- H01L2224/45144—Gold (Au) as principal constituent
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- 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
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- 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
- H01L2224/484—Connecting portions
- H01L2224/48463—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a ball bond
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- 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
- H01L2224/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
- H01L2224/491—Disposition
- H01L2224/49105—Connecting at different heights
- H01L2224/49107—Connecting at different heights on the semiconductor or solid-state body
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- 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
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- 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
Definitions
- the present invention relates to a bulb-shaped lamp including a semiconductor light emitting device and a lighting device including the bulb-shaped lamp.
- a light emitting diode (LED: Light Emitting Diode), which is a semiconductor light emitting element, is smaller in size, higher in efficiency, and longer in life than conventional illumination light sources.
- LED Light Emitting Diode
- the market needs for energy saving or resource saving in recent years are supported by the demand, and a light bulb-shaped lamp using LED (hereinafter simply referred to as “LED light bulb”) as a substitute for a conventional incandescent light bulb using a filament coil Demand is increasing.
- an LED has a reduced light output as its temperature rises and a shorter life.
- a metal housing is provided between the hemispherical glove and the cap (see, for example, Patent Document 1).
- the metal casing functions as a heat sink for releasing the heat generated by the LED to the outside, thereby suppressing the temperature rise of the LED and preventing the reduction of the light output.
- an LED bulb may be considered to have a configuration similar to that of the incandescent bulb.
- an LED bulb may be considered in which a filament coil installed between two lead wires of an incandescent bulb is replaced by a light emitting module (LED module) having an LED as a semiconductor light emitting element and a base on which the LED is mounted.
- LED module is held in the air in the glove. Therefore, since the light generated by the LED is not blocked by the housing, it is also possible to obtain the same light distribution characteristics as the incandescent lamp in the LED bulb.
- LED modules are heavy compared to the filament coil utilized for incandescent bulbs. Therefore, stress may be applied to the connection portion between the lead wire and the LED module due to vibration or the like during transportation, and the lead wire may be detached from the LED module.
- the present invention has been made to solve the above-mentioned problems, and it is possible to obtain the same light distribution characteristic as a conventional incandescent light bulb, and to suppress that the lead wire is detached from the light emitting module. It is an object of the present invention to provide a light bulb shaped lamp capable of lighting and a lighting device provided with the same.
- a light bulb shaped lamp comprises a hollow glove having an opening formed therein, a first base and a first semiconductor light emitting element mounted on the first base.
- the movement of the first light emitting module with respect to the stem can be restricted by the restriction member fixed to the tip of the stem. Therefore, for example, when the bulb-shaped lamp vibrates, it is possible to suppress the stress applied to the connection portion between the lead wire and the first light emitting module, and to suppress the lead wire from being detached from the first light emitting module Is possible.
- the restricting member since the restricting member is fixed to the tip of the stem extending to the vicinity of the first light emitting module, the length of the restricting member can be shortened. Therefore, the movement of the light emitting module can be further restricted, and it can be more reliably suppressed that the lead wire is detached from the light emitting module due to vibration or the like.
- a through hole is formed in the first base, and the restriction member is inserted into the through hole.
- the restricting member since the restricting member is inserted into the through hole of the first base, the movement of the light emitting module can be further restricted, and the lead wire may be detached from the light emitting module due to vibration or the like. It becomes possible to suppress reliably.
- the said limitation member has a support part which supports the said 1st base from the said stem side.
- the regulation member is a linear member
- the support portion is formed of a bent portion of the regulation member, and is formed between the distal end portion of the stem and the first base.
- the support portion is configured by the bent portion of the regulating member, movement of the light emitting module toward the stem can be regulated with a simple configuration.
- the said bending part is a U-shape.
- the support portion is configured by the U-shaped portion of the regulating member, movement of the light emitting module toward the stem can be regulated with a simple configuration.
- the support portion is a member having a width larger than the width of the through hole, and is preferably provided between the distal end portion of the stem and the first base.
- the support portion is configured by the member having a width larger than the width of the through hole, movement of the first light emitting module to the stem side can be restricted with a simple configuration.
- the light bulb shaped lamp includes a plurality of the restriction members, and the first base is formed with a plurality of the through holes corresponding to the plurality of the restriction members, and the plurality of through holes Preferably, the axial directions of at least two of the through holes are different from each other.
- the restriction inserted in the other through hole is applied.
- the member can regulate movement of the first base in the direction of the force. Therefore, it becomes possible to more reliably suppress the lead wire from coming off the light emitting module due to vibration or the like.
- the stem is joined to the glove so as to close an opening of the glove, and a part of the regulating member is sealed to the stem.
- the stem since the stem is closed by the stem, moisture can be prevented from entering the glove from the outside of the glove, and deterioration of the first semiconductor light emitting element due to moisture and the first light emitting module It is possible to suppress deterioration of the connection portion with the restriction member (lead wire). Therefore, it becomes possible to more reliably suppress the lead wire from being detached from the first light emitting module due to vibration or the like.
- tip part protruded from the said through-hole of the said limitation member is bend
- the distal end of the restricting member protruding from the through hole is bent, so that movement of the first base away from the stem can be restricted. Therefore, it becomes possible to more reliably suppress the lead wire from coming off the first base due to vibration or the like.
- tip part inserted in the said through-hole of the said limitation member is being fixed to the said 1st base by the joining material.
- the distal end of the regulating member that protrudes from the through hole is fixed to the first base by the bonding material, so that the lead wire is more reliably prevented from being detached from the first base due to vibration or the like. It is possible to
- the restriction member is a first lead wire which supports the first light emitting module and supplies power to the first light emitting module.
- the restriction member also functions as the first lead wire
- the configuration of the light bulb shaped lamp can be simplified.
- the first light emitting module can be supported by the first lead fixed to the tip of the stem extending to the vicinity of the first light emitting module. That is, the length of the portion where the first lead wire is exposed from the stem can be made relatively short, and the strength of the first lead wire can be increased. Therefore, for example, when the light bulb-shaped lamp vibrates or the like, it is possible to suppress the first lead wire from being detached from the first light emitting module due to the vibration or the like.
- the light bulb-shaped lamp further comprises a support line fixed to the stem and supporting a peripheral edge of the first base.
- the stem is joined to the glove so as to close an opening of the globe, and a part of the first lead wire is sealed to the stem.
- the stem since the stem is closed by the stem, moisture can be prevented from entering the glove from the outside of the glove, and deterioration of the semiconductor light emitting device due to moisture and the first light emitting module and the first light emitting module It is possible to suppress the deterioration of the connection portion with the lead wire. Therefore, it is possible to more reliably suppress the first lead wire from coming off the first light emitting module due to vibration or the like.
- the light bulb shaped lamp further includes a second base and a second semiconductor light emitting element mounted on the second base, and the second light emitting module housed in the glove, and the first light emitting module.
- both the power supply to the two light emitting modules and the support of the two light emitting modules can be realized using the first lead wire. Therefore, when the light bulb shaped lamp includes two light emitting modules, it is possible to suppress the lead wire from being detached from the two light emitting modules with a relatively simple configuration.
- the first lead wire electrically connect the first light emitting module and the second light emitting module in the glove.
- both of the electrical connection of the two light emitting modules in the glove and the support of the two light emitting modules can be realized using the first lead wire. Therefore, when the light bulb shaped lamp includes two light emitting modules, it is possible to suppress the lead wire from being detached from the two light emitting modules with a relatively simple configuration.
- the light bulb shaped lamp includes at least two of the first lead wires, and one of the two first lead wires supports the first base, and the other is the second base. Power is supplied to the first light emitting module via one of the two first lead wires and one of the two second lead wires. Preferably, power is supplied to the second light emitting module via the other of the lead wires and the other of the two second lead wires.
- the stem is joined to the glove so as to close the opening of the glove, and a part of each of the two first lead wires and one of each of the two second lead wires The part is preferably sealed to the stem.
- the stem is closed by the stem, moisture can be prevented from entering the glove from the outside of the glove, and deterioration of the semiconductor light emitting element due to moisture and the light emitting module and the lead wire can be prevented. It is possible to suppress the deterioration of the connection portion. Therefore, it is possible to more reliably suppress the first lead wire and the second lead wire from being detached from the first light emitting module or the second light emitting module due to vibration or the like.
- the said 1st base has translucency.
- the base is translucent, light generated by the semiconductor light emitting element is transmitted through the inside of the base. That is, light is emitted also from the portion where the base semiconductor light emitting element is not mounted. Therefore, even when the semiconductor light emitting device is mounted only on one surface of the base, light is emitted from the other surface, and it becomes possible to obtain the same light distribution characteristics as the incandescent bulb.
- the stem is preferably transparent to visible light.
- the stem is transparent to visible light, it is possible to suppress loss of light generated by the semiconductor light emitting element by the stem. Also, the stem can prevent the formation of shadows. In addition, since the stem glows due to the light generated by the semiconductor light emitting element, it is also possible to exhibit a visually excellent aesthetic appearance.
- globe consists of transparent glass with respect to visible light.
- the globe is transparent to visible light, loss of light generated in the semiconductor light emitting device can be suppressed.
- the glove is made of glass, high heat resistance can be obtained.
- the present invention can not only be realized as such a light bulb shaped lamp, but also can be realized as a lighting apparatus provided with such a light bulb shaped lamp.
- the present invention it is possible to obtain the same light distribution characteristic as a conventional incandescent lamp, and to suppress the lead wire from being detached from the light emitting module.
- FIG. 1 is a perspective view of a light bulb shaped lamp according to Embodiment 1 of the present invention.
- FIG. 2 is an exploded perspective view of the light bulb shaped lamp according to Embodiment 1 of the present invention.
- FIG. 3 is a front view of the light bulb shaped lamp according to Embodiment 1 of the present invention.
- FIG. 4 is a cross-sectional view of the LED module and its surroundings according to Embodiment 1 of the present invention as viewed from the Y direction.
- FIG. 5 is an enlarged cross-sectional view of the LED chip according to Embodiment 1 of the present invention as viewed from the Y direction.
- FIG. 6 is a circuit diagram of a lighting circuit according to Embodiment 1 of the present invention.
- FIG. 1 is a perspective view of a light bulb shaped lamp according to Embodiment 1 of the present invention.
- FIG. 2 is an exploded perspective view of the light bulb shaped lamp according to Embodiment 1 of the present invention.
- FIG. 7 is a perspective view of the periphery of the LED module according to the first modification of the first embodiment of the present invention.
- FIG. 8 is a cross-sectional view of the LED module and its surroundings according to the first modification of the first embodiment of the present invention as viewed from the Y direction.
- FIG. 9 is a cross-sectional view of the periphery of the LED module according to the second modification of the first embodiment of the present invention as viewed in the Y direction.
- FIG. 10 is a perspective view around an LED module according to Embodiment 2 of the present invention.
- FIG. 11A is a cross-sectional view of the periphery of the LED module according to Embodiment 2 of the present invention taken along the line AA.
- FIG. 11B is a cross-sectional view of the vicinity of the LED module in the BB cross section according to Embodiment 2 of the present invention.
- FIG. 12 is a cross-sectional view of the LED module and its surroundings according to a modification of the second embodiment of the present invention as viewed from the Y direction.
- FIG. 13 is a perspective view of the periphery of the LED module according to Embodiment 3 of the present invention.
- FIG. 14 is a cross-sectional view of the LED module and its surroundings according to Embodiment 3 of the present invention as viewed from the Y direction.
- FIG. 15 is a cross-sectional view of a light bulb shaped lamp according to a variation of Embodiment 3 of the present invention as viewed from the Y direction.
- FIG. 16 is a perspective view of the area around the LED module of the light bulb shaped lamp according to one embodiment of the present invention.
- FIG. 17 is a perspective view of a light bulb shaped lamp according to Embodiment 4 of the present invention.
- FIG. 18 is an exploded perspective view of a light bulb shaped lamp according to Embodiment 4 of the present invention.
- FIG. 19 is a front view of a light bulb shaped lamp according to Embodiment 4 of the present invention.
- FIG. 20 is a cross-sectional view of the LED module and its surroundings according to Embodiment 4 of the present invention, as viewed from the Y direction.
- FIG. 21 is a cross-sectional view of the LED module and its surroundings according to Embodiment 4 of the present invention as viewed from the X direction.
- FIG. 22 is a plan view of an LED module according to Embodiment 4 of the present invention.
- FIG. 23 is a cross-sectional view of the vicinity of the LED module according to the first modification of the fourth embodiment of the present invention as viewed in the X direction.
- FIG. 24 is a plan view of an LED module according to Variation 2 of Embodiment 4 of the present invention.
- FIG. 25 is a cross-sectional view of the periphery of the LED module according to the third modification of the fourth embodiment of the present invention as viewed in the Y direction.
- FIG. 26 is a front view of a light bulb shaped lamp according to Embodiment 5 of the present invention.
- FIG. 27 is a cross-sectional view of the periphery of the LED module according to the fifth embodiment of the present invention as viewed from the Y direction.
- FIG. 28 is a cross-sectional view of the LED module and its surroundings according to a variation of Embodiment 5 of the present invention, as viewed from the Y direction.
- FIG. 29 is a perspective view of the periphery of the LED module according to the sixth embodiment of the present invention.
- FIG. 30 is a cross-sectional view of the periphery of the LED module according to Embodiment 6 of the present invention, as viewed from the Y direction.
- FIG. 31 is a schematic cross-sectional view of a lighting device according to one aspect of the present invention.
- Embodiment 1 First, a light bulb shaped lamp 100 according to Embodiment 1 of the present invention will be described.
- FIG. 1 is a perspective view of a light bulb shaped lamp 100 according to Embodiment 1 of the present invention.
- FIG. 2 is an exploded perspective view of the light bulb shaped lamp 100 according to Embodiment 1 of the present invention.
- FIG. 3 is a front view of the light bulb shaped lamp 100 which concerns on Embodiment 1 of this invention.
- the lighting circuit 180 and a part of the lead wire 170, which are located inside the base 190 are shown by dotted lines.
- the light bulb shaped lamp 100 is a light bulb in which a base 190 is attached to a translucent globe 110.
- a base 190 is attached to a translucent globe 110.
- an LED module 130 mounted with an LED chip is accommodated in the glove 110.
- the restricting member 125 is inserted into the through hole 142 formed in the base 140 of the LED module 130, and restricts the movement of the base 140 with respect to the stem 120.
- the light bulb shaped lamp 100 includes the globe 110, the stem 120, the regulating member 125, the LED module 130, the two lead wires 170, and the lighting circuit 180. And a base 190.
- the globe 110 is a hollow member made of silica glass that is transparent to visible light. Therefore, the user can view the LED module 130 housed in the glove 110 from the outside of the glove 110.
- the light bulb shaped lamp 100 can suppress the loss of light generated by the LED chip 150 by the globe 110. Furthermore, the light bulb shaped lamp 100 can obtain high heat resistance.
- the shape of the glove 110 is a shape in which one end is closed spherically and the other end has an opening 111.
- the shape of the globe 110 is such that a part of the hollow sphere is narrowed while extending in a direction away from the center of the sphere, and the opening 111 is formed at a position away from the center of the sphere.
- the shape of the globe 110 is an A-shape (JIS C7710) similar to a general incandescent lamp.
- the shape of the glove 110 does not have to be A-shaped.
- the shape of the glove 110 may be G-shaped or E-shaped or the like.
- the glove 110 does not necessarily have to be transparent to visible light, and does not have to be made of silica glass.
- the glove 110 may be a member made of resin such as acrylic.
- the stem 120 is provided to extend from the opening 111 of the glove 110 into the glove 110. Specifically, at one end of the stem 120, a rod-like extending portion 120a extending in the Z direction to the vicinity of the LED module 130 is formed. A restricting member 125 that restricts the movement of the LED module 130 is fixed to the tip of the extending portion 120 a.
- the other end of the stem 120 is flared to match the shape of the opening 111 of the glove 110.
- the other end of the flared stem 120 is joined to the opening 111 of the glove 110 so as to close the opening 111 of the glove 110. Further, in the stem 120, a part of each of the two lead wires 170 is sealed. As a result, it is possible to supply power to the LED module 130 in the glove 110 from the outside of the glove 110 while the airtightness in the glove 110 is maintained.
- the bulb-shaped lamp 100 can prevent water or water vapor and the like from intruding into the globe 110 for a long period of time, and deterioration of the LED module 130 due to moisture and a connection portion between the LED module 130 and the lead wire 170 Deterioration can be suppressed.
- the stem 120 is made of soft glass which is transparent to visible light.
- the light bulb shaped lamp 100 can suppress the loss of the light generated by the LED chip 150 by the stem 120.
- the bulb-shaped lamp 100 can also prevent the stem 120 from forming a shadow.
- the stem 120 is brightened by the light emitted from the LED chip 150, the light bulb shaped lamp 100 can also exhibit a visually excellent appearance.
- the stem 120 does not necessarily have to be transparent to visible light and does not have to be made of soft glass.
- the stem 120 may be a member made of a high thermal conductivity resin.
- a high thermal conductivity resin for example, a silicone resin mixed with metal particles such as alumina or zinc oxide may be used.
- the bulb-shaped lamp 100 can actively dissipate the heat generated by the LED module 130 to the globe 110 or the cap 190 via the regulating member 125 and the stem 120.
- the light bulb shaped lamp 100 can suppress a decrease in light emission efficiency and a decrease in life of the LED chip 150 due to a temperature rise.
- the stem 120 does not necessarily have to close the opening 111 of the glove 110, and may be attached to a part of the opening 111.
- FIG. 4 is a cross-sectional view of the LED module 130 and its surroundings in the Y direction according to Embodiment 1 of the present invention.
- the regulating member 125 is a linear member made of metal, for example, and is inserted into the through hole 142 to regulate the movement of the base 140.
- the restricting member 125 is fixed to the end of the extending portion 120 a and linearly extends toward the LED module 130. Further, the restricting member 125 has a rigidity enough to restrict the movement of the LED module 130 in the horizontal plane (XY plane).
- the regulating member 125 does not necessarily have to be a metal member.
- the regulating member 125 may be a member made of a resin such as acrylic that is transparent to visible light. That is, as long as the restricting member 125 is a member having a rigidity enough to restrict the movement of the LED module 130 through the through hole 142, any member may be used.
- the LED module 130 corresponds to a light emitting module and is housed in the glove 110.
- the LED module 130 is disposed at a central position of the spherical shape formed by the globe 110 (e.g., inside a large diameter major portion of the inner diameter of the globe 110).
- the bulb-shaped lamp 100 can obtain the entire circumferential light distribution characteristic similar to a general incandescent lamp using a conventional filament coil at the time of lighting.
- the LED module 130 has a base 140, a plurality of LED chips 150, and a sealing material 160. Then, the LED module 130 is disposed with the surface on which the plurality of LED chips 150 are mounted directed to the top of the globe 110 (in the positive direction of the Z direction).
- the base 140 is a member having transparency to visible light, and specifically, is a ceramic member containing alumina.
- a through hole 142 penetrating the base 140 in the Z direction is formed in the central portion of the base 140.
- the restriction member 125 is inserted into the through hole 142.
- the base 140 is preferably a member having a high visible light transmittance.
- the light generated by the LED chip 150 is transmitted through the inside of the base 140 and emitted also from the surface on which the LED chip 150 is not mounted. Therefore, even when the LED chip 150 is mounted only on one side surface of the base 140, light is emitted from the other side surface, and it becomes possible to obtain the same light distribution characteristic as the incandescent lamp.
- the base 140 does not necessarily have to be translucent.
- the LED chips 150 may be mounted on a plurality of side surfaces of the base 140.
- the shape of the base 140 is a quadrangular prism shape (length 20 mm (X direction), width 1 mm (Y direction), thickness 0.8 mm (Z direction)). Since the shape of the base 140 is a prismatic shape, the bulb-shaped lamp 100 can simulate the filament coil of the incandescent lamp with the LED module 130 in a pseudo manner.
- the shape and size of the base 140 are an example, and may be other shapes and sizes.
- Feeding terminals 141 are provided at both ends of the base 140 in the longitudinal direction (X direction). Each of the two lead wires 170 is electrically and physically connected to the feed terminal 141 by solder.
- the base 140 is preferably a member having high thermal conductivity and high emissivity of thermal radiation in order to enhance heat dissipation.
- the base 140 be a member of a material generally referred to as a hard and brittle material, for example, referring to glass or ceramic.
- the emissivity is expressed as a ratio to the thermal radiation of a black body (full radiator), and has a value of 0 to 1.
- the emissivity of glass or ceramic is 0.75 to 0.95, and thermal radiation close to a black body is realized.
- the thermal emissivity of the base 140 is preferably 0.8 or more, more preferably 0.9 or more.
- the LED chip 150 is a semiconductor light emitting element, and emits blue light when energized in the present embodiment.
- the LED chip 150 is mounted on one side of the base 140. Specifically, five LED chips 150 are linearly arranged between two power supply terminals 141 and mounted.
- FIG. 5 is an enlarged cross-sectional view of the LED chip 150 according to Embodiment 1 of the present invention as viewed from the Y direction.
- the LED chip 150 has a vertically long shape (600 ⁇ m in length, 300 ⁇ m in width, and 100 ⁇ m in thickness).
- the LED chip 150 has a sapphire substrate 151 and a plurality of nitride semiconductor layers 152 stacked on the sapphire substrate 151 and having different compositions.
- a cathode electrode 153 and an anode electrode 154 are formed at the end of the upper surface of the nitride semiconductor layer 152.
- wire bonding parts 155 and 156 are formed on the cathode electrode 153 and the anode electrode 154, respectively.
- the cathode electrode 153 and the anode electrode 154 of the LED chip 150 adjacent to each other are electrically connected in series by the gold wire 157 via the wire bond parts 155 and 156.
- the cathode electrode 153 or the anode electrode 154 of the LED chip 150 located at both ends is connected to the feeding terminal 141 by a gold wire 157.
- Each LED chip 150 is mounted on the base 140 with a translucent chip bonding material 158 such that the surface on the sapphire substrate 151 side faces the mounting surface of the base 140.
- a silicone resin containing a filler made of metal oxide can be used as the chip bonding material.
- a translucent material for the chip bonding material By using a translucent material for the chip bonding material, the loss of light emitted from the surface of the LED chip 150 on the sapphire substrate 151 side and the side surface of the LED chip 150 can be reduced, and shadowing by the chip bonding material can be achieved. It can prevent the occurrence.
- the number of LED chips 150 may be changed appropriately according to the application of the light bulb shaped lamp 100. Just do it.
- the number of LED chips 150 mounted on the base 140 may be one.
- the sealing material 160 is a member having translucency, and is provided so as to cover the plurality of LED chips 150.
- the sealing material 160 is made of a translucent resin such as silicone resin, and includes phosphor particles (not shown) as a wavelength conversion material and a light diffusing material (not shown).
- the sealing material 160 is formed, for example, through the following two steps. First, in the first step, the uncured paste-like sealing material 160 containing the wavelength conversion material is linearly applied on the plurality of LED chips 150 by a single stroke using a dispenser. Next, in the second step, the applied paste-like sealing material 160 is cured.
- the cross section of the sealing material 160 formed in this manner is dome-shaped, and has a width of 1 mm and a height of 0.2 mm.
- the width of the cross section of the sealing material 160 as viewed in the Y direction is substantially the same as the width of the base 140.
- a part of the blue light emitted from the LED chip 150 is absorbed by the wavelength conversion material contained in the sealing material 160 and converted to light of another wavelength.
- the wavelength conversion material contained in the sealing material 160 For example, (Y, Gd) 3 Al 5 O 12: Ce 3+, Y 3 Al 5 O 12: Ce 3+, when using the YAG fluorescent material, such as a wavelength conversion material, the blue light LED chip 150 is emitted Some of the light is converted to yellow light. The blue light not absorbed by the wavelength conversion material and the yellow light converted by the wavelength conversion material are diffused in the sealing material 160 and mixed, thereby emitting white light from the sealing material 160 Be done.
- the light diffusing material particles such as silica are used.
- the white light emitted from the linear sealing material 160 is transmitted through the inside of the base 140, and the LED chip of the base 140 is used. It also emits from the side where 150 is not mounted. As a result, when viewed from any side of the prismatic base 140, it looks like a filament coil of an existing incandescent bulb.
- the sealing material 160 may be provided also in the surface in which the LED chip 150 is not mounted. As a result, part of the blue light transmitted through the inside of the base 140 and emitted from the side surface on which the LED chip 150 is not mounted is converted into yellow light. Therefore, the color of the light emitted from the side surface on which the LED chip 150 is not mounted can be made close to the color of the light emitted directly from the sealing material 160.
- the wavelength conversion material contained in the sealing material 160 may be, for example, a yellow phosphor such as (Sr, Ba) 2 SiO 4 : Eu 2+ , Sr 3 SiO 5 : Eu 2+ . Further, the wavelength conversion material may be a green phosphor such as (Ba, Sr) 2 SiO 4 : Eu 2+ or Ba 3 Si 6 O 12 N 2 : Eu 2+ . The wavelength conversion material may also be a red phosphor such as CaAlSiN 3 : Eu 2+ , Sr 2 (Si, Al) 5 (N, O) 8 : Eu 2+ .
- the sealing material 160 is not necessarily made of a silicone resin, and may be a member made of an inorganic material such as low melting point glass, sol-gel glass, or the like, in addition to an organic material such as a fluorine resin. Since the inorganic material is superior in heat resistance to the organic material, the sealing material 160 made of the inorganic material is advantageous for increasing the luminance.
- Each lead wire 170 is constituted by a composite wire obtained by joining an inner lead wire 171, a dumet wire (copper-coated nickel steel wire) 172, and an outer lead wire 173 in this order, and has sufficient strength to support the LED module 130. Have.
- the inner lead wire 171 extends from the stem 120 toward the LED module 130, and its L-shaped bent end is joined to the base 140 to support the LED module 130.
- the dumet wire 172 is sealed within the stem 120.
- the external lead wire 173 extends from the lighting circuit 180 toward the stem 120.
- the lead wire 170 is preferably a metal wire containing copper having a high thermal conductivity.
- the heat generated in the LED module 130 can be actively dissipated to the base 190 via the lead wire 170.
- the lead wire 170 does not necessarily have to be a composite wire, and may be a single wire made of the same metal wire. Moreover, the lead wire 170 does not necessarily need to be two. For example, when the bulb-shaped lamp 100 is provided with a plurality of LED modules 130 in the globe 110, the two bulbs 170 may be provided for each of the LED modules 130. That is, the bulb-shaped lamp 100 may have twice as many leads 170 as the LED module 130.
- the lighting circuit 180 is a circuit for causing the LED chip 150 to emit light, and is housed in the base 190.
- lighting circuit 180 includes a plurality of circuit elements and a circuit board on which each circuit element is mounted.
- the lighting circuit 180 converts alternating current power received from the base 190 into direct current power, and supplies the direct current power to the LED chip 150 through the two lead wires 170.
- FIG. 6 is a circuit diagram of the lighting circuit 180 according to the first embodiment of the present invention.
- the lighting circuit 180 includes a diode bridge 183 for rectification, a capacitor 184 for smoothing, and a resistor 185 for current adjustment.
- the input end of the diode bridge 183 is connected to the input terminal 181 of the lighting circuit 180.
- the output terminal of the diode bridge 183 and the other end of the capacitor 184 and the resistor 185 connected to one end thereof are connected to the output terminal 182 of the lighting circuit 180.
- the input terminal 181 is electrically connected to the base 190. Specifically, one of the input terminals 181 is connected to the screw portion 191 on the side surface of the base 190. The other end of the input terminal 181 is connected to the eyelet portion 192 at the bottom of the base 190.
- the output terminal 182 is connected to the lead wire 170 and electrically connected to the LED chip 150.
- the light bulb shaped lamp 100 may not necessarily include the lighting circuit 180.
- the light bulb shaped lamp 100 may not include the lighting circuit 180.
- one of the external lead wires 173 is connected to the screw portion 191 and the other of the external lead wires 173 is connected to the eyelet portion 192.
- the lighting circuit 180 is not limited to the smoothing circuit, and a light control circuit, a booster circuit, and the like can be appropriately selected and combined.
- the base 190 is provided at the opening 111 of the glove 110. Specifically, the base 190 is attached to the glove 110 using an adhesive such as cement so as to cover the opening 111 of the glove 110.
- the base 190 is an E26 type base.
- the bulb-shaped lamp 100 is used by being attached to a socket for E26 base connected to a commercial AC power supply.
- the base 190 does not necessarily have to be an E26 type base, and may be a base having a different size such as the E17 type. Further, the base 190 does not necessarily have to be a screw-in type, and may be, for example, a base having a different shape such as a plug-in type.
- die 190 set it as the structure attached directly to the opening part 111 of the glove
- the base 190 may be attached to the glove 110 indirectly.
- the base 190 may be attached to the glove 110 via a resin component such as a resin case.
- the lighting circuit 180 may be housed in the resin case.
- the movement of the LED module 130 can be regulated by the regulating member 125 inserted into the through hole 142 of the base 140. Therefore, for example, when the light bulb shaped lamp 100 vibrates, it is possible to suppress the stress applied to the connection portion between the lead wire 170 and the LED module 130, and to suppress the lead wire 170 from coming off the LED module 130. It becomes possible. Further, since the base 190 is provided at the opening 111 of the globe 110 in which the LED module 130 is housed, the light distribution characteristic similar to that of the conventional incandescent light bulb is generated without the light generated by the LED chip 150 being blocked by the housing. It is possible to obtain
- the light bulb shaped lamp according to the first modification of the first embodiment of the present invention differs from the light bulb shaped lamp according to the first embodiment mainly in the shape of the regulating member 125.
- a light bulb shaped lamp according to the present modification will be described with reference to the drawings.
- illustration and description are suitably abbreviate
- FIG. 7 is a perspective view of the periphery of the LED module 130 according to the first modification of the first embodiment of the present invention.
- FIG. 8 is a cross-sectional view of the LED module 130 and its surroundings in the Y direction according to the first modification of the first embodiment of the present invention.
- the limitation member 125 of the lightbulb-shaped lamp 100 which concerns on this modification has the support part 126 which supports the base 140 from the stem 120 side.
- the support portion 126 is a bent portion of the regulating member 125 and is formed between the stem 120 and the base 140. In the present embodiment, the bent portion is U-shaped.
- the light bulb shaped lamp 100 can regulate the base 140 from moving to the stem 120 side (negative direction in the Z direction) with a simple configuration. it can. Further, since the support portion 126 formed in a U-shape has elasticity in the Z direction, it is also possible to absorb vibration in the Z direction.
- the tip end portion 127 of the regulating member 125 is bent in an L shape after being inserted into the through hole 142 of the base 140. That is, the tip end portion 127 projecting from the through hole 142 of the regulating member 125 is bent. This restricts the movement of the base 140 away from the stem 120 (positive direction in the Z direction).
- the restricting member 125 moves the LED module 130 not only in the horizontal direction (X direction and Y direction) but also in the vertical direction (Z direction) Can also be regulated. Therefore, for example, when the light bulb-shaped lamp 100 vibrates, it is possible to more reliably suppress the lead wire 170 from being detached from the LED module 130.
- the support portion 126 does not have to be U-shaped.
- the support portion 126 may have, for example, a U-shape or a coil shape. That is, the support portion 126 may have any shape as long as it can restrict movement of the base 140 toward the stem 120 along the restriction member 125.
- the light bulb shaped lamp 100 according to the second modification of the first embodiment of the present invention is characterized in that the tip end portion 127 projecting from the through hole 142 of the restriction member 125 is fixed to the base 140 by the bonding material 128.
- a light bulb shaped lamp according to the present modification will be described with reference to the drawings.
- illustration and description are suitably abbreviate
- FIG. 9 is a cross-sectional view of the LED module 130 and its surroundings in the Y direction according to the second modification of the first embodiment of the present invention.
- the tip end portion 127 of the regulating member 125 is fixed to the base 140 by a bonding material 128. Specifically, the tip end portion 127 is joined to the side surface of the base 140 on the top side of the glove 110 by solder. Therefore, the movement of the LED module 130 can be further restricted, and the detachment of the lead wire 170 from the base 140 due to vibration or the like can be more reliably suppressed.
- the bonding material 128 does not necessarily have to be a solder, and may be, for example, an adhesive made of a silicone resin. That is, the bonding material 128 only needs to be able to fix the regulating member 125 to the base 140, and may be appropriately changed according to the material of the regulating member 125 and the like.
- the light bulb shaped lamp according to the present embodiment differs from the light bulb shaped lamp according to Embodiment 1 in the shape and structure of the base 140 and the regulating member 125.
- a light bulb shaped lamp according to the present embodiment will be described with reference to the drawings.
- the same components and elements as those of the light bulb shaped lamp according to the first embodiment will be appropriately omitted from the drawings and the description.
- FIG. 10 is a perspective view of the periphery of the LED module 130 according to the second embodiment of the present invention.
- 11A and 11B are cross-sectional views of the LED module 130 and its surroundings in the Y direction according to the second embodiment of the present invention. Specifically, FIG. 11A is a cross-sectional view taken along the line AA in FIG. 10 (b), and FIG. 11B is a cross-sectional view taken along the line BB in FIG. 10 (b).
- the restricting member 125 is fixed to the tip of the extending portion 120 a of the stem 120, and is inserted into the through hole 142 of the base 140. Further, the restriction member 125 has a support portion 126 which supports the base 140 from the stem 120 side.
- the support portion 126 is a member having a width larger than the width of the through hole 142, and is provided between the distal end portion of the extending portion 120a and the base 140.
- the width of the through hole 142 and the width of the support portion 126 are lengths in one direction parallel to the opening surface of the through hole 142. That is, the support portion 126 has a shape that can not pass through the through hole 142 when installed in a predetermined state.
- the tip end portion 127 of the regulating member 125 is cut in the axial direction (Z direction) of the regulating member 125. That is, the tip end portion 127 of the regulating member 125 inserted into the through hole 142 is branched into two. After being inserted into the through hole 142 ((a) in FIG. 10), the tip portions 127 branched into two in this manner are bent in different directions ((b) in FIG. 10).
- the base 140 is a translucent member made of ceramic containing aluminum nitride. Further, the base 140 has a plate shape (length 20 mm, width 10 mm, thickness 0.8 mm), and a through hole 142 penetrating the base 140 in the Z direction is formed at the central portion thereof. .
- Feeding terminals 141 are provided at diagonal parts of the base 140, respectively. Each of the two lead wires 170 is electrically and physically connected to a feed terminal 141 provided at a diagonal portion by solder.
- the metal wiring pattern 143 is formed in one surface (surface) of the base 140, and the LED chip 150 is mounted. Power is supplied to each LED chip 150 via the metal wiring pattern 143.
- the wiring pattern may be formed of a translucent conductive material such as ITO (Indium Tin Oxide). In this case, the light generated by the LED chip 150 can be suppressed from being lost by the wiring pattern, as compared to the metal wiring pattern.
- the LED chip 150 is a semiconductor light emitting element that emits purple light when energized. Specifically, ten LED chips 150 are arranged in a line, and twenty LED chips 150 are mounted in two lines. Thereby, the bulb-shaped lamp 100 can reproduce an incandescent lamp having two filament coils.
- the sealing material 160 is a member having translucency, and is provided so as to cover the row of the LED chips 150.
- the sealing material 160 contains a blue phosphor, a green phosphor, and a red phosphor as a wavelength conversion material. As a result, the violet light generated by the LED chip 150 is converted to white light.
- the support portion 126 has a width larger than the width of the through hole 142, the movement of the LED module 130 toward the stem 120 can be restricted. it can. Therefore, it becomes possible to suppress that the lead wire 170 separates from the base 140 due to vibration or the like.
- the support portion 126 has a disk shape, but it does not have to be a disk shape.
- the support portion 126 may have a prismatic shape or a conical shape. That is, the support portion 126 may have any shape as long as it can not pass through the through hole 142 in a predetermined installation state.
- the light bulb shaped lamp according to the present modification differs from the light bulb shaped lamp according to the second embodiment in the structure of the tip end portion 127 of the regulating member 125.
- a light bulb shaped lamp according to the present modification will be described with reference to the drawings.
- illustration and description are suitably abbreviate
- FIG. 12 is a cross-sectional view of the LED module 130 and its surroundings in the Y direction according to a modification of the second embodiment of the present invention.
- the regulating member 125 is provided with a rivet 129 at its tip. That is, after the restriction member 125 is inserted into the through hole 142, the tip end is crushed and fixed to the base 140.
- the rivets 129 are cylindrical (so-called eyelet) in which a hole is formed.
- the rivet 129 is provided at the tip of the regulating member 125, the movement of the base 140 can be regulated more firmly. Therefore, it becomes possible to more reliably suppress the lead wire from coming off the base due to vibration or the like.
- the light bulb shaped lamp according to the present embodiment is mainly different from the light bulb shaped lamp according to Embodiment 1 or 2 in that the restriction member 125 functions as a lead wire.
- a light bulb shaped lamp according to the present embodiment will be described with reference to the drawings.
- the same components and elements as those of the light bulb shaped lamp according to Embodiment 1 or 2 will be omitted from the drawings and description as appropriate.
- FIG. 13 is a perspective view of the periphery of the LED module 130 according to the third embodiment of the present invention.
- FIG. 14 is a cross-sectional view of the LED module 130 and its surroundings according to Embodiment 3 of the present invention as viewed in the Y direction.
- the base 140 is formed with two through holes 142 whose axial directions are different from each other. Each of the two restriction members 125 is inserted into the through hole 142. Further, on the base 140, ten LED chips 150 are arranged in one row, and thirty LED chips 150 are mounted in three rows.
- the regulating member 125 is a lead wire for supplying the power supplied from the base 190 to the LED module 130. Also, the restriction member 125 supports the LED module 130 in the globe 110. That is, the restriction member 125 is the same as the lead wire 170 in the first or second embodiment.
- the restriction member 125 is inserted into the through hole 142 as shown in FIG.
- the tip end portion 127 of the regulating member 125 is fixed to the base 140 by a bonding material 128 such as solder, for example.
- the tip end portion 127 of the regulating member 125 is physically and electrically connected to, for example, the metal wiring pattern 143 formed on the base 140.
- the three rows of LED chips 150 are connected in parallel.
- the restriction member 125 also functions as a lead wire, the configuration of the light bulb shaped lamp 100 can be simplified. Further, since the lead wire is inserted into the through hole 142 of the base 140, it is possible to disperse the stress applied to the connection portion between the lead wire and the LED module 130 by vibration or the like.
- the restriction member 125 inserted into the other through hole 142 can restrict movement of the base 140 in the direction of the force.
- the light bulb-shaped lamp 100 it is possible to more reliably suppress the restriction member 125 (lead wire) from being detached from the base 140 due to vibration or the like.
- the light bulb shaped lamp according to the present modification differs from the light bulb shaped lamp according to the third embodiment in that a plate member 121 is provided instead of the stem 120.
- a light bulb shaped lamp according to the present modification will be described with reference to the drawings.
- illustration and description are suitably abbreviate
- FIG. 15 is a cross-sectional view of a light bulb shaped lamp 100 according to a modification of Embodiment 3 of the present invention as viewed from the Y direction.
- the light bulb shaped lamp 100 includes a plate member 121.
- the plate member 121 is fitted in the opening 111 of the base 190, and a notch 123 is provided on the periphery thereof.
- the opening 111 of the glove 110 is inserted into the groove formed by the notch 123 and the die 190, and is fixed by an adhesive 122 made of silicone resin or the like.
- a through hole 124 is formed in the plate member 121.
- the restriction member 125 (lead wire) is inserted into the through hole 124 and fixed to the plate member 121.
- the LED module 130 can be supported in the globe 110 by the restricting member 125.
- the base 140 has a prismatic shape or a plate shape.
- the shape is not necessarily required.
- the base 140 may have a shape (cross shape) in which two prisms intersect at the central portion. Even if the base 140 has such a shape, the movement of the LED module 130 can be restricted by the restriction member 125 inserted into the through hole 142 of the base 140. That is, it is possible to suppress the lead wire 170 from coming off the LED module 130 due to vibration or the like.
- Embodiment 4 Next, a light bulb shaped lamp 100 according to a fourth embodiment of the present invention will be described.
- the lead wire regulates the movement of the LED module with respect to the stem.
- the same components and elements as those of the light bulb shaped lamp according to the first embodiment will be appropriately omitted from the drawings and the description.
- FIG. 17 is a perspective view of a light bulb shaped lamp 100 according to a fourth embodiment of the present invention.
- FIG. 18 is an exploded perspective view of a light bulb shaped lamp 100 according to a fourth embodiment of the present invention.
- FIG. 19 is a front view of a light bulb shaped lamp 100 according to a fourth embodiment of the present invention. In FIG. 19, the lighting circuit 180 and a part of the lead wire 170 located inside the base 190 are shown by dotted lines.
- the light bulb shaped lamp 100 is a light bulb in which a base 190 is attached to a translucent globe 110.
- a base 190 is attached to a translucent globe 110.
- an LED module 130 mounted with an LED chip is accommodated in the glove 110.
- the leads 170 extending from the tip of the stem 120 support the LED module 130.
- the bulb-shaped lamp 100 includes the globe 110, the stem 120, the LED module 130, the two lead wires 170, the lighting circuit 180, and the base 190. Equipped with
- the stem 120 is provided to extend from the opening 111 of the glove 110 into the glove 110. Specifically, at one end of the stem 120, a rod-like extending portion 120a extending in the Z direction to the vicinity of the LED module 130 is formed.
- the lead wire 170 protrudes from the tip of the extension portion 120a. That is, the lead wire 170 is fixed to the tip of the stem 120.
- FIG. 20 is a cross-sectional view of the vicinity of the LED module 130 according to Embodiment 4 of the present invention as viewed from the Y direction.
- FIG. 21 is a cross-sectional view of the vicinity of the LED module 130 according to the fourth embodiment of the present invention as viewed in the X direction.
- FIG. 22 is a plan view of an LED module 130 according to Embodiment 4 of the present invention.
- the LED module 130 corresponds to a first light emitting module, and is housed in the glove 110.
- the LED module 130 is disposed at a central position of the spherical shape formed by the globe 110 (e.g., inside a large diameter major portion of the inner diameter of the globe 110).
- the bulb-shaped lamp 100 can obtain the entire circumferential light distribution characteristic similar to a general incandescent lamp using a conventional filament coil at the time of lighting.
- the LED module 130 has a base 140, a plurality of LED chips 150, and a sealing material 160. Then, the LED module 130 is disposed with the surface on which the plurality of LED chips 150 are mounted directed to the top of the globe 110 (in the positive direction of the Z direction).
- the base 140 corresponds to a first base and is a member having a light transmitting property with respect to visible light, and specifically, is a ceramic member containing alumina.
- the base 140 is formed with two through holes 142 which respectively penetrate the base 140 in the Z direction. In the present embodiment, the two through holes 142 are arranged to sandwich the row of the LED chips 150 mounted in a row.
- One or the other of the two lead wires 170 drawn from the tip end of the stem 120 is inserted into each of the two through holes 142.
- the tip of the lead wire 170 inserted into the through hole 142 is physically and electrically connected to a feed terminal 141 provided around the through hole 142 by a bonding material 174 such as solder.
- a metal wiring pattern 143 connecting the power supply terminal 141 and the end of the base 140 in the longitudinal direction (X direction) is formed on the surface of the base 140 on which the LED chip 150 is mounted. That is, the LED chip 150 is electrically connected to the two lead wires 170 inserted in the through hole 142 through the metal wiring pattern 143 and the feeding terminal 141. As a result, at the time of lighting, current flows in the direction shown by the arrow in FIG.
- the shape of the base 140 is a square pole shape (length 20 mm (X direction), width 1.5 mm (Y direction), thickness 0.8 mm (Z direction)). Since the shape of the base 140 is a prismatic shape, the bulb-shaped lamp 100 can simulate the filament of the incandescent lamp with the LED module 130 in a pseudo manner.
- the shape and size of the base 140 are an example, and may be other shapes and sizes.
- the LED chip 150 is a semiconductor light emitting element, and emits blue light when energized in the present embodiment.
- the LED chip 150 is mounted on one side of the base 140. Specifically, twelve LED chips 150 are mounted linearly in the longitudinal direction of the base 140.
- the two lead wires 170 project from the tip of the extension 120 a of the stem 120 and support the LED module 130. That is, the two lead wires 170 hold the LED module 130 at a fixed position in the globe 110.
- the power supplied from the base 190 is supplied to the LED chip 150 through the two lead wires 170.
- Each lead wire 170 is constituted by a composite wire obtained by joining an inner lead wire 171, a dumet wire (copper-coated nickel steel wire) 172, and an outer lead wire 173 in this order, and has sufficient strength to support the LED module 130. Have.
- the inner lead 171 extends from the tip of the stem 120 toward the LED module 130.
- the tip of the internal lead wire 171 is inserted into the through hole 142 formed in the base 140 and is joined to the base 140 by a bonding material 174 such as solder.
- the dumet wire 172 is sealed within the stem 120.
- the external lead wire 173 extends from the lighting circuit 180 toward the stem 120.
- the LED module 130 can be supported by the lead wire 170 which protrudes from the front-end
- the base 190 is provided at the opening 111 of the globe 110 in which the LED module 130 is housed, the light distribution characteristic similar to that of the conventional incandescent light bulb is generated without the light generated by the LED chip 150 being blocked by the housing. It is also possible to obtain
- the light bulb shaped lamp according to the first modification of the fourth embodiment of the present invention is different from the light bulb shaped lamp according to the fourth embodiment mainly in the shape of the lead wire 170.
- a light bulb shaped lamp according to the present modification will be described with reference to the drawings.
- illustration and description are suitably abbreviate
- FIG. 23 is a cross-sectional view of the vicinity of the LED module 130 according to the first modification of the fourth embodiment of the present invention as viewed in the X direction.
- the lead wire 170 of the light bulb shaped lamp 100 has a support portion 175 supporting the base 140 from the stem 120 side.
- the support portion 175 is a bent portion of the lead wire 170 and is formed between the stem 120 and the base 140.
- the bent portion is U-shaped.
- the base 140 is on the stem 120 side (in the Z direction It is possible to regulate movement in the simple configuration. Further, since the support portion 175 formed in a U-shape has elasticity in the Z direction, it is also possible to absorb vibration in the Z direction. As a result, for example, when the light bulb shaped lamp 100 vibrates, it is possible to suppress the lead wire 170 from coming off the LED module 130.
- the support portion 175 does not have to be U-shaped.
- the support portion 175 may have, for example, a U-shape or a coil shape.
- the support portion 175 may be a member (for example, a plate member) larger than the through hole 142. That is, the support portion 175 may have any shape as long as the base 140 can be restricted from moving toward the stem 120 along the lead wire 170.
- the light bulb shaped lamp 100 according to the second modification of the fourth embodiment of the present invention differs from the light bulb shaped lamp according to the fourth embodiment mainly in the mounting form of the LED chip 150.
- a light bulb shaped lamp according to the present modification will be described with reference to the drawings.
- illustration and description are suitably abbreviate
- FIG. 24 is a plan view of an LED module 130 according to Variation 2 of Embodiment 4 of the present invention.
- the plurality of LED chips 150 are mounted on the base 140 by being divided into two LED chip rows.
- Each LED chip row is mounted linearly in the longitudinal direction of the base 140.
- One end of each LED chip row is connected to the lead wire 170 inserted in the through hole 142 through the metal wiring pattern 143.
- the other ends of the LED chip rows are connected to each other via the metal wiring pattern 143.
- the light bulb shaped lamp 100 according to the third modification of the fourth embodiment of the present invention is different from the light bulb shaped lamp according to the fourth embodiment in that a support wire 1250 is provided.
- a light bulb shaped lamp according to the present modification will be described with reference to the drawings.
- illustration and description are suitably abbreviate
- FIG. 25 is a cross-sectional view of the periphery of the LED module according to the third modification of the fourth embodiment of the present invention as viewed in the Y direction.
- the light bulb shaped lamp 100 according to the present variation further includes two support lines 1250.
- Each of the two support lines 1250 is fixed to the stem 120 and supports the periphery of the base 140. Specifically, the support wire 1250 is inserted into the through hole formed in the base 140. Further, the tip portion of the support wire 1250 which protrudes from the through hole is bent in an L shape and fixed to the base 140 by an adhesive or the like.
- the support wires 1250 do not have to be electrically connected to the LED module 130.
- the lead wire 170 is detached from the LED module 130 due to vibration or the like. It becomes possible to suppress the problem more surely.
- the light bulb shaped lamp according to the present embodiment is different from the light bulb shaped lamp according to the fourth embodiment in that it includes two LED modules.
- a light bulb shaped lamp according to the present embodiment will be described with reference to the drawings.
- the same components and elements as those of the light bulb shaped lamp according to the fourth embodiment will be appropriately omitted from the drawings and the description.
- FIG. 26 is a front view of a light bulb shaped lamp 100 according to Embodiment 5 of the present invention.
- FIG. 27 is a cross-sectional view of the LED module and its surroundings according to Embodiment 5 of the present invention, as viewed from the Y direction.
- the bulb-shaped lamp 100 includes two LED modules (a first LED module 130a and a second LED module 130b), two first lead wires 176a and 176b, and two second lead wires 177a, And 177b.
- the first LED module 130a has a first base 140a, a plurality of first LED chips 150a, and a first sealing material 160a.
- the first base 140a is supported by the first lead wire 176a and the second lead wire 177a. Further, power is supplied to the first LED chip 150a through the first lead wire 176a and the second lead wire 177a.
- the second LED module 130b includes a second base 140b, a plurality of second LED chips 150b, and a second sealing material 160b.
- the second base 140 b is supported by the first lead wire 176 b and the second lead wire 177 b. Further, power is supplied to the second LED chip 150b via the first lead wire 176b and the second lead wire 177b.
- the 1st LED module 130a and the 2nd LED module 130b are the same structures, below, the 1st LED module 130a is demonstrated and the description of the 2nd LED module 130b is abbreviate
- the first base 140a is a member having transparency to visible light as in the case of the base 140 according to the fourth embodiment.
- the first base 140a is a ceramic member containing alumina.
- the shape of the first base is a quadrangular prism.
- a feed terminal 141 is provided at each end of the first base 140 a in the longitudinal direction (X direction).
- Each of the first lead wire 176 a and the second lead wire 177 a is electrically and physically connected to the feed terminal 141 by solder.
- the first LED chip 150 a emits blue light when energized.
- five first LED chips 150 a are linearly arranged between two power supply terminals 141 and mounted.
- each 1st LED chip 150a is the same as that of Embodiment 4, description is abbreviate
- the first sealing material 160 a is the same as the sealing material 160 according to the fourth embodiment, the description will be omitted.
- the first leads 176 a and 176 b are partially sealed in the stem 120 and project from the tip of the stem 120.
- a part of the second lead wires 177 a and 177 b is sealed in the stem 120 and protrudes from an intermediate portion of the stem 120.
- both the power supply to the two LED modules and the support of the two LED modules are realized using the first lead wires 176a and 176b. be able to. Therefore, when the light bulb-shaped lamp 100 includes two LED modules, it is possible to suppress the lead wire from being detached from the two LED modules with a relatively simple configuration.
- the light bulb shaped lamp 100 according to the present embodiment, power can be supplied to the two LED modules via different lead wires. Therefore, for example, it is possible to light only one of the two LED modules.
- the light bulb shaped lamp according to the present modification is mainly different from the light bulb shaped lamp according to the fifth embodiment from the first lead wire.
- a light bulb shaped lamp according to the present modification will be described with reference to the drawings.
- illustration and description are suitably abbreviate
- FIG. 28 is a cross-sectional view of the LED module and its surroundings according to a variation of Embodiment 5 of the present invention, as viewed from the Y direction.
- one first lead wire 176 is provided, and electrically connects the first LED chip 150 a and the second LED chip 150 b in the globe 110. Specifically, one end of the first lead wire 176 is connected to the feed terminal 141 provided on the first base 140a, and the other end of the first lead wire 176 is provided on the second base 140b. It is connected to the feed terminal 141. Further, the first lead wire 176 is U-shaped, and the bent portion is fixed to the tip of the stem 120.
- both the electrical connection of the two LED modules in the globe 110 and the support of the two LED modules are performed using the first lead wire 176. It can be realized. Therefore, when the light bulb-shaped lamp 100 includes two LED modules, it is possible to suppress the lead wire from being detached from the two LED modules with a relatively simple configuration.
- the light bulb shaped lamp according to the present embodiment is mainly different from the light bulb shaped lamp according to the fourth or fifth embodiment in the configuration of the base 140.
- a light bulb shaped lamp according to the present embodiment will be described with reference to the drawings.
- the same components and elements as those of the light bulb shaped lamp according to Embodiment 4 or 5 will be omitted from the drawings and the description as appropriate.
- FIG. 29 is a perspective view of the periphery of the LED module 130 according to the sixth embodiment of the present invention.
- FIG. 30 is a cross-sectional view of the LED module 130 and its surroundings according to Embodiment 6 of the present invention, as viewed from the Y direction.
- the base 140 is a translucent member made of ceramic containing aluminum nitride. Moreover, the base 140 is a cross-shaped plate-like member, and the through-hole 142 is formed in center part and each edge part. Each of the first lead wire 176 and the four second lead wires 177 is inserted into the through hole 142.
- a metal wiring pattern 143 is formed on one surface (front surface) of the base 140, and the LED chip 150 is mounted.
- a metal wiring pattern 143 is also formed around each through hole 142, and the tip of each of the first lead wire 176 and the four second lead wires 177 is a metal wiring pattern 143 with a bonding material such as solder. Electrically and physically connected.
- the wiring pattern may be formed of a translucent conductive material such as ITO (Indium Tin Oxide). In this case, the light generated by the LED chip 150 can be suppressed from being lost by the wiring pattern, as compared to the metal wiring pattern.
- ITO Indium Tin Oxide
- the LED chip 150 is a semiconductor light emitting element that emits purple light when energized. Specifically, seven LED chips 150 are arranged in one row, and 28 LED chips 150 are mounted in four rows in a cross shape.
- the sealing material 160 is a member having translucency, and is provided so as to cover the row of the LED chips 150.
- the sealing material 160 contains a blue phosphor, a green phosphor, and a red phosphor as a wavelength conversion material. As a result, the violet light generated by the LED chip 150 is converted to white light.
- the light bulb shaped lamp 100 receives AC power from a commercial AC power source, but may receive DC power from, for example, a battery.
- the light bulb shaped lamp 100 may not include the lighting circuit 180 shown in FIG.
- the base 140 has a prismatic shape, a plate shape or the like, but the shape is not necessarily required.
- the present invention can not only be realized as such a light bulb shaped lamp, but also can be realized as a lighting device provided with such a light bulb shaped lamp.
- a lighting device according to one aspect of the present invention will be described with reference to FIG.
- FIG. 31 is a schematic cross-sectional view of a lighting device 200 according to an aspect of the present invention.
- the lighting device 200 is, for example, mounted on a ceiling 300 in a room and used, and as shown in FIG. 31, includes the light bulb shaped lamp 100 and the lighting fixture 220 according to the first to sixth embodiments or their modifications. .
- the lighting fixture 220 is for turning off and lighting the bulb-shaped lamp 100, and includes a fixture body 221 attached to the ceiling 300 and a lamp cover 222 covering the bulb-shaped lamp 100.
- the instrument body 221 has a socket 221a.
- the base 190 of the light bulb shaped lamp 100 is screwed into the socket 221a. Electric power is supplied to the light bulb shaped lamp 100 via the socket 221a.
- the lighting device 200 illustrated here is an example of the lighting device 200 according to one embodiment of the present invention.
- the lighting device according to an aspect of the present invention may include at least a socket for holding the bulb-shaped lamp 100 and supplying power to the bulb-shaped lamp 100.
- the socket 190 need not be screwed with the base 190, but may simply be inserted.
- FIG. 31 Although the illuminating device 200 shown in FIG. 31 was equipped with one bulb-shaped lamp 100, you may be equipped with several bulb-shaped lamps 100.
- FIG. 31 was equipped with one bulb-shaped lamp 100, you may be equipped with several bulb-shaped lamps 100.
- the present invention is useful as an LED light bulb replacing a conventional incandescent light bulb and the like, and a lighting apparatus and the like provided with the LED light bulb.
Abstract
Description
まず、本発明の実施の形態1に係る電球形ランプ100について説明する。
図1は、本発明の実施の形態1に係る電球形ランプ100の斜視図である。また、図2は、本発明の実施の形態1に係る電球形ランプ100の分解斜視図である。また、図3は、本発明の実施の形態1に係る電球形ランプ100の正面図である。なお、図3において、口金190の内部に位置する、点灯回路180とリード線170の一部とは、点線で示されている。
グローブ110は、可視光に対して透明なシリカガラス製の中空部材である。したがって、ユーザがグローブ110内に収納されたLEDモジュール130を、グローブ110の外側から視認できる。また、電球形ランプ100は、LEDチップ150で生じた光がグローブ110によって損失することを抑制することができる。さらに、電球形ランプ100は、高い耐熱性を得ることができる。
ステム120は、グローブ110の開口部111からグローブ110内に向かって延びるように設けられている。具体的には、ステム120の一端には、LEDモジュール130の近傍までZ方向に延びる棒状の延伸部120aが形成されている。この延伸部120aの先端部には、LEDモジュール130の動きを規制する規制部材125が固定されている。
図4は、本発明の実施の形態1に係るLEDモジュール130周辺のY方向かみた断面図である。図4に示すように、規制部材125は、例えば金属製の線状部材であり、貫通孔142に挿入され、基台140の動きを規制する。本実施の形態では、規制部材125は、延伸部120aの先端部に固定され、LEDモジュール130に向かって直線状に延びている。また、規制部材125は、LEDモジュール130の水平面(XY平面)における動きを規制することができる程度の剛性を有する。
LEDモジュール130は、発光モジュールに相当し、グローブ110内に収納されている。好ましくは、LEDモジュール130は、グローブ110によって形成される球形状の中心位置(例えばグローブ110の内径の大きい径大部分の内部)に配置される。このように中心位置にLEDモジュール130が配置されることにより、電球形ランプ100は、点灯時に従来のフィラメントコイルを用いた一般的な白熱電球と近似した全周配光特性を得ることができる。
基台140は、可視光に対して透光性を有する部材であり、具体的にはアルミナを含むセラミック製の部材である。基台140の中央部分には、Z方向に基台140を貫通する貫通孔142が形成されている。この貫通孔142に、規制部材125が挿入されている。
LEDチップ150は、半導体発光素子であり、本実施の形態では通電されれば青色光を発する。LEDチップ150は、基台140の一側面に実装されている。具体的には、5個のLEDチップ150が、2つの給電端子141の間に直線状に並べて実装されている。
封止材160は、透光性を有する部材であり、複数のLEDチップ150を覆うように設けられている。具体的には、封止材160は、シリコーン樹脂等の透光性樹脂からなり、波長変換材である蛍光体粒子(不図示)と光拡散材(不図示)とを含む。
2本のリード線170は、LEDモジュール130を支持しており、LEDモジュール130をグローブ110内の一定の位置に保持している。また、口金190から供給された電力が、2本のリード線170を介して、LEDチップ150に供給される。各リード線170は、内部リード線171、ジュメット線(銅被覆ニッケル鋼線)172、及び外部リード線173を、この順に接合した複合線によって構成され、LEDモジュール130を支えるのに十分な強度を有している。
点灯回路180は、LEDチップ150を発光させるための回路であり、口金190内に収納されている。具体的には、点灯回路180は、複数の回路素子と、各回路素子が実装される回路基板とを有する。本実施の形態では、点灯回路180は、口金190から受電した交流電力を直流電力に変換し、2本のリード線170を介してLEDチップ150に当該直流電力を供給する。
口金190は、グローブ110の開口部111に設けられている。具体的には、口金190は、グローブ110の開口部111を覆うように、セメント等の接着剤を用いてグローブ110に取り付けられる。本実施の形態では、口金190は、E26形の口金である。電球形ランプ100は、商用の交流電源と接続されたE26口金用ソケットに取り付けて使用される。
まず、本発明の実施の形態1の変形例1について説明する。
次に、本発明の実施の形態1の変形例2について説明する。
次に、本発明の実施の形態2に係る電球形ランプ100について説明する。
次に、本発明の実施の形態2に係る電球形ランプ100の変形例について説明する。
次に、本発明の実施の形態3について説明する。
次に、本発明の実施の形態3に係る電球形ランプ100の変形例について説明する。
次に、本発明の実施の形態4に係る電球形ランプ100について説明する。
図17は、本発明の実施の形態4に係る電球形ランプ100の斜視図である。また、図18は、本発明の実施の形態4に係る電球形ランプ100の分解斜視図である。また、図19は、本発明の実施の形態4に係る電球形ランプ100の正面図である。なお、図19において、口金190の内部に位置する、点灯回路180とリード線170の一部とは、点線で示されている。
ステム120は、グローブ110の開口部111からグローブ110内に向かって延びるように設けられている。具体的には、ステム120の一端には、LEDモジュール130の近傍までZ方向に延びる棒状の延伸部120aが形成されている。この延伸部120aの先端部からは、リード線170が突出している。つまり、リード線170は、ステム120の先端部に固定されている。
図20は、本発明の実施の形態4に係るLEDモジュール130周辺のY方向からみた断面図である。また、図21は、本発明の実施の形態4に係るLEDモジュール130周辺のX方向からみた断面図である。また、図22は、本発明の実施の形態4に係るLEDモジュール130の平面図である。
基台140は、第1基台に相当し、可視光に対して透光性を有する部材であり、具体的にはアルミナを含むセラミック製の部材である。基台140には、それぞれがZ方向に基台140を貫通する2つの貫通孔142が形成されている。本実施の形態では、2つの貫通孔142は、一列に実装されたLEDチップ150の列を挟むように配置されている。この2つの貫通孔142のそれぞれに、ステム120の先端部から導出された2本のリード線170の一方又は他方が挿入されている。貫通孔142に挿入されたリード線170の先端部は、貫通孔142の周囲に設けられた給電端子141に、半田などの接合材174により物理的及び電気的に接続されている。
LEDチップ150は、半導体発光素子であり、本実施の形態では通電されれば青色光を発する。LEDチップ150は、基台140の一側面に実装されている。具体的には、12個のLEDチップ150が、基台140の長手方向に直線状に並べて実装されている。
2本のリード線170は、ステム120の延伸部120aの先端部から突出しており、LEDモジュール130を支持している。つまり、2本のリード線170は、LEDモジュール130をグローブ110内の一定の位置に保持している。また、口金190から供給された電力が、2本のリード線170を介して、LEDチップ150に供給される。各リード線170は、内部リード線171、ジュメット線(銅被覆ニッケル鋼線)172、及び外部リード線173を、この順に接合した複合線によって構成され、LEDモジュール130を支えるのに十分な強度を有している。
まず、本発明の実施の形態4の変形例1について説明する。
次に、本発明の実施の形態4の変形例2について説明する。
次に、本発明の実施の形態4の変形例3について説明する。
次に、本発明の実施の形態5に係る電球形ランプ100について説明する。
次に、本発明の実施の形態5の変形例に係る電球形ランプについて説明する。
次に、本発明の実施の形態6について説明する。
110 グローブ
111 開口部
120 ステム
120a 延伸部
121 板部材
122 接着材
123 切り欠き部
124、142 貫通孔
125 規制部材
126 支持部
127 先端部
128 接合材
129 リベット
130 LEDモジュール
130a 第1LEDモジュール
130b 第2LEDモジュール
140 基台
140a 第1基台
140b 第2基台
141 給電端子
143 金属配線パターン
150 LEDチップ
150a 第1LEDチップ
150b 第2LEDチップ
151 サファイア基板
152 窒化物半導体層
153 カソード電極
154 アノード電極
155、156 ワイヤーボンド部
157 金ワイヤー
158 チップボンディング材
160 封止材
160a 第1封止材
160b 第2封止材
170 リード線
171 内部リード線
172 ジュメット線
173 外部リード線
174 接合材
175 支持部
176、176a、176b 第1リード線
177、177a、177b 第2リード線
180 点灯回路
181 入力端子
182 出力端子
183 ダイオードブリッジ
184 コンデンサー
185 抵抗
190 口金
191 スクリュー部
192 アイレット部
200 照明装置
220 点灯器具
221 器具本体
221a ソケット
222 ランプカバー
300 天井
1250 支持線
Claims (21)
- 開口部が形成された中空のグローブと、
第1基台及び前記第1基台上に実装された第1半導体発光素子を有し、前記グローブ内に収納された第1発光モジュールと、
前記グローブの開口部から前記第1発光モジュールの近傍まで延びるように設けられたステムと、
前記ステムの先端部に固定され、前記ステムに対する前記第1発光モジュールの動きを規制する規制部材とを備える
電球形ランプ。 - 前記第1基台には、貫通孔が形成されており、
前記規制部材は、前記貫通孔に挿入されている
請求項1に記載の電球形ランプ。 - 前記規制部材は、前記第1基台を前記ステム側から支持している支持部を有する
請求項2に記載の電球形ランプ。 - 前記規制部材は、線状部材であり、
前記支持部は、前記規制部材の屈曲部分からなり、前記ステムの先端部と前記第1基台との間に形成されている
請求項3に記載の電球形ランプ。 - 前記屈曲部分はU字形状である
請求項4に記載の電球形ランプ。 - 前記支持部は、前記貫通孔の幅よりも大きな幅を有する部材であり、前記ステムの先端部と前記第1基台との間に設けられている
請求項3に記載の電球形ランプ。 - 前記電球形ランプは、複数の前記規制部材を備え、
前記第1基台には、前記複数の規制部材のそれぞれに対応する複数の前記貫通孔が形成されており、
前記複数の貫通孔のうち少なくとも2つの貫通孔の軸方向は互いに異なる
請求項2に記載の電球形ランプ。 - 前記ステムは、前記グローブの開口部を塞ぐように前記グローブに接合されており、
前記規制部材の一部は、前記ステムに封着されている
請求項7に記載の電球形ランプ。 - 前記規制部材の前記貫通孔から突出した先端部は、折り曲げられている
請求項1~8のいずれか1項に記載の電球形ランプ。 - 前記規制部材の前記貫通孔に挿入された先端部は、接合材によって前記第1基台に固定されている
請求項1~9のいずれか1項に記載の電球形ランプ。 - 前記規制部材は、前記第1発光モジュールを支持しており、前記第1発光モジュールに電力を供給するための第1リード線である
請求項1~10のいずれか1項に記載の電球形ランプ。 - 前記電球形ランプは、さらに、
前記ステムに固定され、前記第1基台の周縁部を支持している支持線を備える
請求項11に記載の電球形ランプ。 - 前記ステムは、前記グローブの開口部を塞ぐように前記グローブに接合されており、
前記第1リード線の一部は、前記ステムに封着されている
請求項11又は12に記載の電球形ランプ。 - 前記電球形ランプは、さらに、
第2基台及び前記第2基台上に実装された第2半導体発光素子を有し、前記グローブ内に収納された第2発光モジュールと、
前記第1発光モジュール及び前記第2発光モジュールを支持しており、前記第1発光モジュール及び前記第2発光モジュールに電力を供給するための少なくとも2本の第2リード線とを備え、
前記第1リード線は、前記第1基台及び前記第2基台を支持しており、
前記2本の第2リード線のうち、一方は前記第1基台を支持しており、他方は前記第2基台を支持している
請求項11に記載の電球形ランプ。 - 前記第1リード線は、前記グローブ内において、前記第1発光モジュールと前記第2発光モジュールとを電気的に接続している
請求項14に記載の電球形ランプ。 - 前記電球形ランプは、少なくとも2本の前記第1リード線を備え、
前記2本の第1リード線のうち、一方は前記第1基台を支持しており、他方は前記第2基台を支持しており、
前記2本の第1リード線の一方と前記2本の第2リード線の一方とを介して、前記第1発光モジュールに電力が供給され、
前記2本の第1リード線の他方と前記2本の第2リード線の他方とを介して、前記第2発光モジュールに電力が供給される
請求項14に記載の電球形ランプ。 - 前記ステムは、前記グローブの開口部を塞ぐように前記グローブに接合されており、
前記2本の第1リード線のそれぞれの一部と、前記2本の第2リード線のそれぞれの一部とは、前記ステムに封着されている
請求項16に記載の電球形ランプ。 - 前記第1基台は、透光性を有する
請求項1~17のいずれか1項に記載の電球形ランプ。 - 前記ステムは、可視光に対して透明である
請求項1~18のいずれか1項に記載の電球形ランプ。 - 前記グローブは、可視光に対して透明なガラスからなる
請求項1~19のいずれか1項に記載の電球形ランプ。 - 請求項1~20のいずれか1項に記載の電球形ランプを備える照明装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/818,440 US8911108B2 (en) | 2010-11-04 | 2011-10-14 | Light bulb shaped lamp and lighting apparatus |
EP11837712.6A EP2636939B1 (en) | 2010-11-04 | 2011-10-14 | Light-bulb shaped lamp and lighting apparatus |
JP2012541721A JP5511977B2 (ja) | 2010-11-04 | 2011-10-14 | 電球形ランプ及び照明装置 |
CN201180039916.2A CN103080632B (zh) | 2010-11-04 | 2011-10-14 | 灯泡形灯及照明装置 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010247917 | 2010-11-04 | ||
JP2010-247917 | 2010-11-04 | ||
JP2010247935 | 2010-11-04 | ||
JP2010-247935 | 2010-11-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012060058A1 true WO2012060058A1 (ja) | 2012-05-10 |
Family
ID=46024186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2011/005754 WO2012060058A1 (ja) | 2010-11-04 | 2011-10-14 | 電球形ランプ及び照明装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8911108B2 (ja) |
EP (1) | EP2636939B1 (ja) |
JP (1) | JP5511977B2 (ja) |
CN (1) | CN103080632B (ja) |
WO (1) | WO2012060058A1 (ja) |
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JP2015038853A (ja) * | 2013-05-27 | 2015-02-26 | シチズンホールディングス株式会社 | Led電球 |
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US8314566B2 (en) | 2011-02-22 | 2012-11-20 | Quarkstar Llc | Solid state lamp using light emitting strips |
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USD793585S1 (en) * | 2014-07-03 | 2017-08-01 | Zhejiang Shendu Optoelectronics Technology Co., Ltd. | LED bulbs |
US10854800B2 (en) * | 2014-08-07 | 2020-12-01 | Epistar Corporation | Light emitting device, light emitting module, and illuminating apparatus |
USD767174S1 (en) * | 2015-01-28 | 2016-09-20 | Sangpil MOON | LED bulb |
US20170202061A1 (en) * | 2016-01-13 | 2017-07-13 | Fiber Optic Designs, Inc. | Led light string having series-connected light bulbs with parallel-connected led chips |
DE102016109665A1 (de) | 2016-05-25 | 2017-11-30 | Osram Opto Semiconductors Gmbh | Filament und leuchtvorrichtung |
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TWI613392B (zh) * | 2016-12-01 | 2018-02-01 | 范世明 | Led燈泡及其製造方法 |
TWI638473B (zh) * | 2016-12-07 | 2018-10-11 | 財團法人工業技術研究院 | 發光元件與發光元件的製造方法 |
JP2022554135A (ja) * | 2019-10-31 | 2022-12-28 | シグニファイ ホールディング ビー ヴィ | Ledフィラメント構成 |
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JP2017004685A (ja) * | 2015-06-08 | 2017-01-05 | ウシオ電機株式会社 | 光源装置 |
Also Published As
Publication number | Publication date |
---|---|
EP2636939A4 (en) | 2016-01-06 |
JP5511977B2 (ja) | 2014-06-04 |
EP2636939B1 (en) | 2019-04-10 |
US8911108B2 (en) | 2014-12-16 |
US20130155683A1 (en) | 2013-06-20 |
EP2636939A1 (en) | 2013-09-11 |
JPWO2012060058A1 (ja) | 2014-05-12 |
CN103080632B (zh) | 2015-04-29 |
CN103080632A (zh) | 2013-05-01 |
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