WO2011148738A1 - 照明器具および照明器具の製造方法 - Google Patents
照明器具および照明器具の製造方法 Download PDFInfo
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- WO2011148738A1 WO2011148738A1 PCT/JP2011/059667 JP2011059667W WO2011148738A1 WO 2011148738 A1 WO2011148738 A1 WO 2011148738A1 JP 2011059667 W JP2011059667 W JP 2011059667W WO 2011148738 A1 WO2011148738 A1 WO 2011148738A1
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- WIPO (PCT)
- Prior art keywords
- emitting diode
- light emitting
- synthetic resin
- substrate
- resin material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
- F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
- F21S8/061—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension with a non-rigid pendant, i.e. a cable, wire or chain
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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
- F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
- F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
- F21V3/062—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material the material being plastics
- F21V3/0625—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material the material being plastics the material diffusing light, e.g. translucent plastics
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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
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/04—Provision of filling media
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
-
- 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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
- F21V21/03—Ceiling bases, e.g. ceiling roses
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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]
Definitions
- the present invention relates to a lighting fixture and a method for manufacturing the same, and particularly relates to a lighting fixture that uses a light-emitting diode light source and has excellent light diffusibility.
- the present invention relates to a lighting fixture that uses a light-emitting diode as a light source, and has a suitable directivity and scattering property that is emitted from the light-emitting diode, and can emit irradiation light according to the purpose of use. It aims at providing the manufacturing method of a lighting fixture.
- a lighting apparatus includes a light emitting diode mounted on a substrate, and an illumination unit that surrounds the light emitting diode with a synthetic resin material mixed with light diffusing fine particles that scatter light emitted from the light emitting diode. It is characterized by forming.
- the synthetic resin material surrounding the light emitting diode is characterized by mixing fine particles having a shape that causes Mie scattering of the irradiation light from the light emitting diode in a synthetic resin base material having translucency.
- the synthetic resin material surrounding the light emitting diode is characterized by mixing fine particles of silicon dioxide with a synthetic resin base material having translucency.
- the synthetic resin material surrounding the light emitting diode is a synthetic resin material in which a highly dispersed silica of fine aggregates obtained by agglomerating and fusing silicon dioxide fine particles is mixed with a synthetic resin base material having translucency.
- the fine particles of silicon dioxide are spherical bodies having a diameter of 10 to 30 nm, and the fine aggregates of the highly dispersed silica are bulky aggregates having a particle diameter of 100 to 400 nm in which a plurality of the fine particles are aggregated. .
- the translucent base material is translucent silicon resin.
- the electric wire is connected to a substrate on which the light emitting diode is mounted, and the electric wire, the substrate, and the light emitting diode are integrated with a synthetic resin material mixed with fine particles that scatter light emitted from the light emitting diode. It is characterized in that an illumination part is formed by close coating.
- the heat radiating member is formed of a heat conductive synthetic resin material and / or a metal member and / or a heat radiating ceramic.
- the illumination part is formed in a spherical shape, a hemispherical shape, a flat plate shape, a lens shape, or a polygonal shape.
- At least the surface portion of the illumination portion and the cable extending from the illumination portion are formed of a member resistant to explosive gas, and the illumination device can be used in an explosion-proof area.
- the method for manufacturing a lighting fixture according to the present invention includes connecting a wire to a substrate on which a light-emitting diode is mounted, and arranging the substrate on which the light-emitting diode is mounted in a mold to scatter light emitted from the light-emitting diode.
- the electric wire, the substrate, and the light emitting diode are integrally molded with a synthetic resin material in which fine particles to be mixed are mixed to form an illumination portion.
- the electric wire is connected to the substrate on which the light emitting diode is mounted, and the substrate on which the light emitting diode is mounted and the heat dissipating member are disposed in the mold, and the fine particles that scatter the irradiation light from the light emitting diode are mixed.
- the illumination portion is formed by integrally molding the electric wire, the substrate, the light emitting diode, and the heat radiating member with a synthetic resin material.
- the luminaire of the present invention is formed by mounting a light emitting diode on a substrate and forming an illuminating portion that surrounds the light emitting diode with a synthetic resin material mixed with light diffusing fine particles that scatter light emitted from the light emitting diode.
- the synthetic resin material surrounding the light emitting diode is made to illuminate a wide area of the illuminating portion by mixing fine light particles having a shape that scatters the irradiation light from the light emitting diode with a synthetic resin base material having translucency. Therefore, it is possible to provide a lighting apparatus having good directivity and scattering of light.
- the synthetic resin material surrounding the light-emitting diode is made to illuminate a wide area of the illumination part including the back side of the light-emitting diode mounted side by mixing silicon dioxide fine particles with a synthetic resin base material having translucency. Therefore, it is possible to provide a lighting apparatus having good directivity and scattering of light.
- the synthetic resin material surrounding the light emitting diode is a synthetic resin material in which a high-dispersion silica of fine aggregates obtained by agglomerating and fusing silicon dioxide fine particles to a synthetic resin base material having translucency is mixed.
- a synthetic resin material in which a high-dispersion silica of fine aggregates obtained by agglomerating and fusing silicon dioxide fine particles to a synthetic resin base material having translucency is mixed.
- the silicon dioxide fine particles are spherical bodies having a diameter of 10 to 30 nm, and the fine aggregates of the highly dispersed silica are bulky aggregates having a particle diameter of 100 to 400 nm in which a plurality of the fine particles are aggregated. Reliable light diffusion can be caused.
- the substrate having translucency is a translucent silicon resin, it has good affinity with fine particles and good dispersibility of the fine particles. Particularly when highly dispersed silica is mixed as the fine particles, It can be uniformly dispersed. Moreover, the lighting fixture excellent in impact resistance can be provided.
- the electric wire is connected to a substrate on which the light emitting diode is mounted, and the electric wire, the substrate, and the light emitting diode are integrated with a synthetic resin material mixed with fine particles that scatter light emitted from the light emitting diode.
- a lighting apparatus having excellent waterproofness, dustproofness, impact resistance, and pressure resistance.
- heat can be released even when the light emitting diode, the substrate, and other circuit portions generate heat, and the components are not damaged by heat.
- the heat radiating member is formed of a heat conductive synthetic resin material and / or a metal member and / or a heat radiating ceramic, so that the heat conductive synthetic resin material and the metal member can radiate heat relatively inexpensively. An effect can be obtained. Moreover, since ceramic dissipates heat instead of far-infrared rays, it does not take the location of the heat dissipating member.
- the method for manufacturing a lighting fixture according to the present invention includes connecting a wire to a substrate on which a light-emitting diode is mounted, and arranging the substrate on which the light-emitting diode is mounted in a mold to scatter light emitted from the light-emitting diode.
- FIG. It is a top view of the power supply box of the lighting fixture shown in FIG. It is a partially cutaway side view of the ceiling-mounted flat luminaire according to the eighth embodiment of the present invention. It is a top view from the back side of the lighting fixture shown in FIG. It is a top view from the front side of the lighting fixture shown in FIG. It is the socket of the conventional lighting fixture.
- the lighting fixture 1 of 1st Embodiment of this invention is shown in FIG. 1, FIG.
- the lighting fixture 1 of 1st Embodiment has the lighting fixture main body 11 which has the light emission diode 81 as a light emitting element, and the illumination part 13 surrounding this, and the cable 7 is connected to this lighting fixture main body 11.
- the luminaire main body 11 is illuminated by a synthetic resin material 9 in which light emitting diodes 81 mounted on the substrate 8, electric wires 71 connected to the substrate 8, and light diffusing fine particles surrounding and covering them integrally are mixed. Part 13.
- a plurality of light emitting diodes 81 are mounted on the front surface of the substrate 8, and a pair of electric wires 71 are connected to the substrate 8 so that the light emitting diodes 81 on the substrate 8 emit light.
- the electric wire 71 extends from the board position to the rear end side (cable 7 side) of the lighting fixture via the control unit 74 including the base 14 supporting the board 8, the AC adapter unit, the constant current control board, and the like. (Not shown) and a rectifier (not shown) etc. are connected to a power supply (not shown).
- the pedestal 14 on which the substrate 8 is disposed is connected to a connecting tube 15, and the connecting tube 15 is connected to a disk-shaped heat radiation plate 16 disposed between the reinforcing cylinder 17 and the illumination unit 13 shown in FIG.
- the A heat radiating hole 161 is formed in the disk peripheral portion of the disk-shaped heat radiating plate 16.
- the pedestal 14, the connecting pipe 15 and the heat radiating plate 16 are all made of a heat conductive metal material such as aluminum, and the pedestal 14 and the connecting pipe 15 transmit the heat generated by the substrate 8 to the heat radiating plate 16 to radiate heat. ing.
- a synthetic resin material 9 mixed with high-dispersion silica which will be described later, is molded on the substrate 8, the light emitting diode 81 on the substrate 8, the substrate connection portion 73 of the electric wire 71, and the vicinity thereof. These are closely attached and surrounded to form the illumination part 13.
- the synthetic resin material 9 is formed in a hemispherical shape toward the front end face 12 of the illumination part 13, and its rear part has a cylindrical shape.
- the reinforcing cylinder 17 that forms an outer shell is filled so as to surround the control unit 74.
- the entire hemispherical area is the illumination unit 13.
- the synthetic resin material 9 is fixed to the cable 7 so as to surround the front end portion of the cable 7 on the rear end side.
- the cable 7 is covered with the insulating member 72 at a portion extending from the illumination portion 13 of the electric wire 71 connected to the substrate 8 on which the light emitting diode 81 is mounted via the AC adapter unit and the control unit 74 as described above. Is formed.
- a rear end portion (not shown) of the cable 7 is connected to a main cable (not shown) connected to a power source (not shown) from a cable branching portion (not shown). If necessary, a plurality of cables 7 are connected to the main cable.
- a plurality of lighting fixtures 1 may be connected via each other.
- the synthetic resin material 9 forming the illumination unit 13 in the first embodiment will be described.
- the synthetic resin material 9 has a substrate portion 91 formed of a silicon resin having a certain degree of elasticity as a base material, and a highly dispersed silica powder as light diffusing fine particles is formed on the substrate portion 91.
- It is a synthetic resin material having translucency in a form in which the particles 92 are mixed, and is a synthetic resin material that can withstand the heat generated by the light emitting diode 81 and the substrate 8.
- the granular aggregates of highly dispersed silica are dispersed almost uniformly inside the silicon resin as the base material regardless of the cross-sectional position of the illumination part.
- the highly dispersed silica is generally called dry silica or fumed silica, and is produced by combustion hydrolysis of silicon tetrachloride. More specifically, silicon dioxide obtained by the combustion method is in the form of spherical particles (diameter: 10 to 30 nm) in the air, and a plurality of the silicon dioxide particles are aggregated and fused in a bead shape. A bulky aggregate (particle size 100 to 400 nm) is formed to form highly dispersed silica.
- grains which light the omnidirectional part of the illumination part 13 including the illumination part 13 filled with the rear surface as well as the part of the illumination part 13 filled with the front surface of the light emitting diode 81 while exhibiting milky white are mentioned above. It is not limited to the high-dispersion silica, and any particles may be used as long as the size of the particles and the wavelength of the irradiation light are the same or more than the same so that the irradiation light is Mie scattered. Mie scattering depends on the size of the particle and the complex refractive index, and is expressed by the following two formulas (x is a size parameter, an and bn are Mie series, and ⁇ (lambda) is the wavelength of light).
- the synthetic resin material 6 of the silicon substrate to which high-dispersion silica is mixed and added collides with the high-dispersion silica and scatters Mie, exhibits a milky white color, and has good translucency and light.
- the directivity and scattering of the light are improved, and soft illumination is generated in the entire illumination part, so that it does not shine brightly locally like this type of conventional luminaire.
- the illuminating device when the substrate 8 and the light emitting diode 81 are arranged at the center of the illuminating portion 13 made of the synthetic resin material 9, the illuminating device has a uniform illumination field with uniform illumination over almost the entire hemisphere. It becomes.
- the particle size of the highly dispersed silica for example, by increasing the particle size, the directivity of light toward the front of the substrate is increased, and the appropriate directivity and scattering properties depending on the purpose of use and use location Can be secured.
- the illuminated portion made of silicon resin to which highly dispersed silica is added is imparted with appropriate elasticity and improved in impact resistance. Furthermore, by adding highly dispersed silica to silicon, the effect of improving surface properties, such as prevention of surface stickiness, is exhibited, and shape retention during molding of lighting fixtures such as injection molding and extrusion molding is ensured. .
- FIG. 4 is a side view of a lighting fixture according to the second embodiment of the present invention
- FIG. 5 is a cross-sectional view taken along line AA of FIG.
- the luminaire 2 of the second embodiment also has a luminaire main body 21 having a light emitting diode 81 as a light emitting element and an illumination unit 23 surrounding the light emitting diode 81, and the cable 7 is connected to the luminaire main body 21.
- the illumination unit 23 is formed of a synthetic resin material 9 that surrounds the substrate 8 on which the light emitting diode 81 is mounted.
- the synthetic resin material 9 has a certain degree of elasticity and has a light-transmitting property as in the first embodiment. Highly dispersed silica as light diffusing fine particles is mixed with silicon resin.
- a plurality of light emitting diodes 81 are mounted on the front surface of the substrate 8, and a pair of electric wires 71 a and 71 b are connected to the substrate 8 so that the light emitting diodes 81 on the substrate 8 emit light.
- the electric wire 71 is directed from the board position to the rear end side (cable 7 side) of the lighting fixture via the control unit 74 constituted by an AC adapter unit, a constant current control board, etc. surrounded by the heat radiating member 24 supporting the board 8. It extends and is connected to a power source (not shown) via a main cable (not shown) and a rectifier (not shown).
- the heat dissipation member 24 that supports the substrate 8 is made of a ceramic material that emits heat as electromagnetic waves instead of far infrared rays, and is formed in a bobbin shape having a hollow portion 28.
- the board 8 is disposed on the front end surface 25 of the bobbin-shaped heat radiation member 24, and the rear end surface 26 is joined to the outside of the reinforcing cylinder 29 that reinforces the connection portion between the cable 7 and the illumination unit 23.
- the rear end face 26 shields the irradiation light and limits the irradiation angle with respect to the illumination unit 23 having an illumination angle of 360 degrees as will be described later.
- a control unit 74 is disposed in the hollow portion 28 of the heat radiating member 24, and an insertion hole 27 is opened in the belly of the heat radiating member 24, and an electric wire 71 extending from the control unit 74 passes through the insertion hole 27. It is guided by the front end face 25 of the heat radiating member 24 and connected to the substrate 8.
- a synthetic resin material 9 mixed with high-dispersion silica is molded into the heat radiating member 24, the hollow portion 28, the substrate 8 and the light emitting diode 81 on the substrate 8, the substrate connection portion 73 of the electric wire 71, and the vicinity thereof.
- the resin material 9 is in close contact with the resin material 9 so as to form an illumination part 23.
- the hollow portion 28 of the heat radiating member 24 is also filled with the synthetic resin material 9 so that the cable 7, the control unit, and the illumination portion 23 are firmly fixed integrally.
- the illumination unit 23 is formed in a substantially spherical shape, the substrate 8 on which the light emitting diode 81 is mounted is disposed at the center, and the electric wire 71 connected to the substrate 8 is The connection portion with the substrate 8 and the vicinity thereof are fixed by the synthetic resin material 9 and extend to the power source (not shown) side.
- the granular aggregates of highly dispersed silica are uniformly dispersed inside the silicon resin as the basic material regardless of the cross-sectional position of the illumination part.
- the uniformly dispersed highly dispersed silica powder particles 92 diffuse light irradiated from the light emitting diodes to cause Mie scattering.
- the illumination field of view is secured in a range of approximately 360 degrees, and the safety of pedestrians when installed on the road of a construction site or the like. This is extremely advantageous. Since the synthetic resin material mixed with highly dispersed silica has a certain degree of elasticity, it does not break, such as being broken by an impact caused by an external force.
- the mixing ratio of the substrate 91 and the highly dispersed silica powder 92 is determined by the size and shape of the illumination unit 23. Generally, if the size of the illumination unit 23 is large, the highly dispersed silica powder 92 is obtained. The proportion of high-dispersed silica powder 92 is increased if the illumination part 23 is small.
- FIG. 6 is a longitudinal sectional view of a lighting fixture according to a third embodiment of the present invention
- FIG. 7 is a sectional view taken along line BB of FIG.
- the lighting fixture 3 of the third embodiment also has a lighting fixture body 31 having a light emitting diode 81 as a light emitting element and an illumination part 23 surrounding the light emitting diode 81, and the cable 7 is connected to the lighting fixture body 31.
- the illumination unit 33 is formed of a synthetic resin material 9 that surrounds the substrate 8 on which the light emitting diode 81 is mounted.
- the synthetic resin material 9 has a certain degree of elasticity and translucency, as in the first embodiment. Highly dispersed silica as light diffusing fine particles is mixed with silicon resin.
- a plurality of light emitting diodes 81 are mounted on the front surface of the substrate 8, and a pair of electric wires 71 a and 71 b are connected to the substrate 8 so that the light emitting diodes 81 on the substrate 8 emit light.
- the electric wire 71 extends from the board position to the rear end side (cable 7 side) of the lighting fixture via the control unit 74 and is connected to a power source (not shown) via a main cable (not shown) and a rectifier (not shown). Is done.
- the heat dissipation mechanism for supporting the substrate is formed by an aluminum bottom plate 35, an aluminum heating tube 36, and a ceramic heat dissipation plate 34.
- the aluminum bottom plate 35 on which the substrate 8 is disposed is connected to a cylindrical aluminum heat transfer tube 36,
- the aluminum heat transfer tube 36 is connected to a disk-shaped ceramic heat radiating plate 34 disposed between the reinforcing portion 37 and the illumination portion 33.
- the disk-shaped ceramic heat radiating plate 34 is made of a ceramic material that emits heat as electromagnetic waves instead of far-infrared rays.
- the aluminum bottom plate 35 and the aluminum heating tube 36 transmit the heat generated by the substrate 8 to the ceramic heat radiating plate 34 and radiate it. It is like that.
- the ceramic heat radiating plate 34 functions as an irradiation angle adjusting panel for the illuminating portion 33 having an illuminating angle of 360 degrees as will be described later.
- a control unit 74 is disposed in the central portion where the cylindrical aluminum heat transfer tube 36 is erected, and the electric wire 71 extending from the control unit 74 is guided to the front end face of the aluminum bottom plate 35 and connected to the substrate 8. It has come to be.
- the ceramic heat radiation plate 34 and the aluminum bottom plate 35 are formed of a cylindrical aluminum heat transfer tube 36, a control unit 74, a substrate 8 and a light emitting diode 81 on the substrate 8, a substrate connection portion 73 of an electric wire 71, the inside of the aluminum heat transfer tube 36, A synthetic resin material 9 mixed with high-dispersion silica is molded in the vicinity, and the synthetic resin material 9 is in close contact with each other to surround and form an illumination part 33.
- the illumination unit 33 is formed in a substantially spherical shape, the substrate 8 on which the light emitting diode 81 is mounted is disposed at the center, and the electric wire 71 connected to the substrate 8 is The connection portion with the substrate 8 and the vicinity thereof are fixed by the synthetic resin material 9 and extend to the power source (not shown) side.
- the granular aggregates of highly dispersed silica are uniformly dispersed inside the silicon resin as the basic material, regardless of the cross-sectional position of the illumination part.
- the irradiated light from the light emitting diode collides with the highly dispersed silica powder 92 to cause Mie scattering.
- the illumination field of view is secured in a range of approximately 360 degrees, and the safety of pedestrians when installed on the road of a construction site or the like. This is extremely advantageous. Since the synthetic resin material mixed with highly dispersed silica has a certain degree of elasticity, it does not break, such as being broken by an impact caused by an external force.
- FIG. 8 and FIG. 9 show a lighting fixture according to a fourth embodiment as a variation of a spherical lighting fixture.
- FIG. 8 is a side view of the luminaire 4 according to the fourth embodiment of the present invention
- FIG. 6 is a partially cutaway side view taken along line AA of FIG.
- the lighting fixture 4 of the fourth embodiment also has a lighting fixture body 41 having a light emitting diode 81 as a light emitting element and an illumination portion 43 surrounding the light emitting diode 81, and the cable 7 is connected to the lighting fixture body 41.
- the illumination unit 43 is formed of a synthetic resin material 9 that surrounds the substrate 8 on which the light emitting diode 81 is mounted.
- the synthetic resin material 9 has a certain degree of elasticity and translucency, as in the first embodiment. Highly dispersed silica as light diffusing fine particles is mixed with silicon resin.
- the luminaire main body 41 includes a light emitting diode 81 mounted on the substrate 8, an electric wire 71 connected to the substrate 8, and an illuminating portion 43 made of a synthetic resin material 9 surrounding and covering them integrally.
- a plurality of light emitting diodes 81 are mounted on the front surface of the substrate 8, and a pair of electric wires 71 a and 71 b are connected to the substrate 8 so that the light emitting diodes 81 on the substrate 8 emit light.
- the electric wire 71 extends from the board position to the rear end side (cable 7 side) of the luminaire through the ceramic heat dissipating rod 46 via the control unit 74 that supports the board 8, and the main cable (not shown) and rectifier (not shown). ) Or the like to be connected to a power source (not shown).
- the ceramic heat dissipating rod 46 on which the substrate 8 is disposed includes a ceramic tube 47, a metal heat conduction bar 48 included in the ceramic tube 47 and having heat conductivity, and a pedestal 49 that supports the substrate 8.
- the pedestal 49 and the heat conduction bar 48 transmit the heat generated by the heat to the ceramic tube 47, and the ceramic tube 47 converts heat into far infrared rays and emits it as electromagnetic waves.
- a control unit 74 is disposed on the front end surface of the base 49.
- a synthetic resin material 9 mixed with high-dispersion silica is molded into the ceramic heat dissipation rod 46, the substrate 8, the light emitting diode 81 on the substrate 8, the substrate connection portion 73 of the electric wire 71, and the vicinity thereof. However, they are closely attached and surrounded to form the illumination part 43.
- the illumination portion 43 is formed in a substantially spherical shape
- the substrate 8 on which the light emitting diode 81 is mounted is disposed at the center
- the electric wire 71 connected to the substrate 8 is The connection portion with the substrate 8 and the vicinity thereof are fixed by the synthetic resin material 9 and extend straight to the power source (not shown) side through the inside of the ceramic heat dissipation rod.
- the granular aggregates of highly dispersed silica are uniformly dispersed inside the silicon resin as the basic material, regardless of the cross-sectional position of the illumination part.
- the irradiated light from the light emitting diode collides with the highly dispersed silica powder 92 to cause Mie scattering.
- the illumination field of view is ensured in a range of approximately 360 degrees, and the safety of pedestrians when installed on the road of a construction site or the like. This is extremely advantageous. Since the synthetic resin material mixed with highly dispersed silica has a certain degree of elasticity, it does not break, such as being broken by an impact caused by an external force.
- the composition of the synthetic resin material 9 is the same as that of the first embodiment described above, its details are omitted.
- the mixing ratio of the substrate 91 and the highly dispersed silica powder 92 is determined by the size and shape of the illuminating part 43. In general, if the size of the illuminating part 43 is large, the highly dispersed silica powder 92 is obtained. The proportion of the high-dispersed silica powder 92 is increased if the illumination portion 43 is small.
- FIG. 10 and FIG. 11 show a lighting fixture according to a fifth embodiment as a variation of a true spherical lighting fixture.
- FIG. 9 is a longitudinal sectional view of a lighting fixture 401 according to a fifth embodiment of the present invention
- FIG. 11 is a lateral sectional view.
- a lighting fixture 401 includes a lighting fixture body 402 having a light emitting diode 81 as a light emitting element and an illumination unit 403 surrounding the light emitting diode 81, and a thin cable 77 is connected to the lighting fixture body 402.
- the illumination unit 403 is formed of the synthetic resin material 9 that surrounds the light emitting diode 81 mounted on the one end surface 79, with the one end surface 79 of the ceramic radiator 78 also serving as a substrate. Similar to the first embodiment, the synthetic resin material 9 is obtained by mixing highly disperse silica as light diffusing fine particles with a translucent silicon resin having a certain degree of elasticity.
- the ceramic radiator is made of a ceramic material in the shape of a casing, and its peripheral surface functions as a substrate. That is, since the ceramic material is an insulating material, the peripheral surface of the ceramic radiator can also serve as a substrate, and the light emitting diode can be directly mounted thereon. In the present embodiment, a circuit is printed on one end face 79 of the ceramic radiator and a light emitting diode is mounted. Further, when heat is generated from the light emitting diode as a heat radiating member, the ceramic material dissipates heat by transmitting the synthetic resin material 9 instead of the far infrared rays.
- the ceramic radiator 78 may be formed hollow and a control device such as an AC adapter may be accommodated therein.
- the cable 77 extends to the rear end side of the lighting fixture 401 and is connected to a power source (not shown) via a main cable (not shown), a rectifier (not shown), and the like.
- the illumination unit 403 includes the synthetic resin material 9 mounted on the ceramic radiator 78 and the one end surface 79 of the ceramic radiator 78, at the board connection location of the light emitting diode 81 and the electric wire 71 and the vicinity thereof. , A synthetic resin material 9 mixed with highly dispersed silica is molded, and the synthetic resin material 9 is in close contact with each other to form an illuminating portion 403.
- the illumination unit 403 is formed in a substantially spherical shape, and a ceramic radiator 78 having a light emitting diode 81 mounted at the center thereof is disposed, and functions as a substrate.
- the wire 71 connected to one end face 79 of the 78 is fixed at the connecting portion and the vicinity thereof with the synthetic resin material 9 and extends straight through the illumination unit 403 to the power supply (not shown) side.
- the synthetic resin material 9 granular aggregates of highly dispersed silica are uniformly dispersed inside the silicon resin as a basic material, regardless of the cross-sectional position of the illumination part.
- the irradiated light from the light emitting diode collides with the highly dispersed silica powder 92 to cause Mie scattering.
- the entire circumference of the spherical illuminating unit 403 is an illuminating unit, the illumination field of view is ensured in a range of approximately 360 degrees, and the safety of pedestrians when installed on the road of a construction site or the like. This is extremely advantageous. Since the synthetic resin material mixed with highly dispersed silica has a certain degree of elasticity, it does not break, such as being broken by an impact caused by an external force.
- the composition of the synthetic resin material 9 is the same as that of the first embodiment described above, its details are omitted.
- the mixing ratio of the substrate 91 and the highly dispersed silica powder 92 is determined by the size and shape of the illumination unit 403. Generally, if the size of the illumination unit 43 is large, the highly dispersed silica powder 92 is obtained. The proportion of high-dispersed silica powder 92 is increased if the illumination part 23 is small.
- FIG. 12 shows a lighting fixture 405 which is a variation of the lighting fixture 401 shown in FIG.
- a light emitting diode 81 is mounted on both end faces of one end face 79a and the other end face 79b of the ceramic radiator 78, and an electric wire 71 is connected to both end faces 79a, 79b.
- the cable 77 is extended from the position where the portion 406 faces.
- a plurality of lighting fixtures 405 can be connected to the cable 77 to provide a lighting fixture 405 that can be used extremely simply and continuously.
- (Sixth embodiment) 13 and 14 are a perspective view and a longitudinal sectional view of a flat illuminating device 5 according to a sixth embodiment of the present invention.
- the illumination unit 53 of the luminaire main body 51 is composed of a synthetic resin material surrounding the substrate 8 on which the light emitting diode 81 is mounted, in which highly dispersed silica as light diffusing fine particles is mixed with silicon resin having a certain degree of elasticity. It is made of a synthetic resin material molded by molding.
- the illumination unit 53 of the luminaire main body 51 is formed of a synthetic resin material 9 in a rectangular flat plate shape having a thickness, and a light emitting diode 81a is formed at the center of the illumination unit 53 made of the synthetic resin material 9.
- a substrate 8 on which ⁇ c is mounted is disposed.
- the connection portion of the substrate 8 and the electric wires 71a, 71b connected to the substrate 8 and the vicinity thereof are integrally fixed by a synthetic resin material by molding and fixed in the resin material, but the electric wires 71a, b are synthesized. It is pulled out from the resin material 9 to the surface 52a (the side opposite to the light emitting diode mounting side) of the lighting fixture main body 51, and is connected to a rectifier and a power source (not shown).
- the front surface 52a, the back surface 52b, and the entire side surface 52c of the illuminating unit 51 of the luminaire main body 51 act as the illuminating unit 51, and local uneven illumination is obtained.
- the entire floor surface can have an illumination structure. Since the synthetic resin material has a certain degree of elasticity in the same manner as in the above-described embodiments, it is not damaged by an impact, and a person can walk on the floor while being laid down on the floor. Unusable usage is possible.
- the synthetic resin material 9 granular aggregates of high-dispersion silica are uniformly dispersed inside the silicon resin as a basic substance, regardless of the cross-sectional position of the illumination part.
- the irradiated light from the light emitting diode collides with the highly dispersed silica powder 92 to cause Mie scattering.
- the illumination field of view is ensured in a range of approximately 360 degrees. For example, when used as a flooring, the safety of pedestrians is improved. It is extremely advantageous in terms of the point, and the lighting for building materials is excellent in aesthetics. Since the synthetic resin material mixed with highly dispersed silica has a certain degree of elasticity, it does not break, such as being broken by an impact caused by an external force.
- the mixing ratio between the substrate 91 and the highly dispersed silica powder 92 is determined by the thickness and shape of the illuminating part 53. Generally, if the illuminating part 53 is thick, the highly dispersed silica powder 92 is obtained. The ratio of the high-dispersed silica powder 92 is increased if the illumination part 53 is thin.
- the above-described manufacturing method of the lighting fixtures 1 to 5 is easy by molding of a synthetic resin material, specifically, injection or extrusion molding in a state where the substrate 8 on which the light emitting diode 81 is mounted and the connection electric wire 71 are accommodated in the mold. Can be manufactured. Further, without using an injection mold or an extrusion molding machine, the synthetic resin material is poured into the capsule-shaped mold made of a synthetic resin material and the substrate 8 on which the light emitting diode 81 is mounted and the connecting wire 71 are poured and cured. You may manufacture a lighting fixture by breaking a capsule-shaped type
- the synthetic resin material 9 in which the high-dispersion silica powder 92 is mixed into the silicon resin 91 is a hemispherical, true spherical, and flat plate-like lighting fixture body. It is not limited to such a form, and the substrate of the synthetic resin material is not limited to the silicon resin, and other light-transmitting synthetic resin materials such as polyester resin, polyurethane resin, and epoxy resin are used. It is also possible to use a thermosetting resin having a property, and in some cases, a light-transmitting thermoplastic resin having a melting point higher than the temperature generated in the substrate or the like.
- the surface of the illumination part of the lighting fixtures of the first to sixth embodiments is coated with PET resin to prevent the surface from being soiled, and when the coating member made of the PET resin is soiled, it is removed.
- a new PET resin may be coated.
- the lighting fixture main body is formed at the tip of the cable branched from the main cable, but the presence / absence of the cable branch, the shape, and the number of connected cables are limited to these. is not.
- the illumination part and the cable of the lighting fixtures of the first to sixth embodiments can be formed of a material resistant to explosive gas and used as explosion-proof illumination.
- the surface of the illumination part is coated with a resistant material such as a resin corresponding to explosive gas, and the cable is formed by metal coating by die casting.
- the luminaire 6 is a convex lens-like luminaire that is used by being fitted to a power supply box unit 10 disposed on a ceiling portion of a building or the like, and can be used in place of a conventional fluorescent lamp luminaire.
- the synthetic resin material 9 that surrounds the substrate 8 on which the light emitting diode 81 is mounted is made of silicon resin having a certain degree of elasticity and highly dispersed silica as light diffusing fine particles. It is composed of a synthetic resin material formed by mixing.
- the illumination portion 63 is formed of a synthetic tree material 9 in the shape of a convex lens having a thickness at the center of the front end surface 64 of the illumination portion.
- a plate member 62 is attached to the rear end surface of the illumination unit 63 by a fixing member 65.
- a substrate 8 on which a light emitting diode 81 is mounted is disposed on the side of the illumination unit 63 of the plate body 62.
- the substrate 8 on which the light emitting diode 81 is mounted is brought into close contact with the synthetic resin material 9 by molding. Then, it is fixed in the resin material.
- the granular aggregates of the highly dispersed silica 91 are uniformly dispersed inside the silicon resin as a basic material regardless of the cross-sectional position of the illumination part.
- the irradiation light from the light emitting diode collides with the highly dispersed silica 91 to cause Mie scattering.
- the entire convex lens-shaped illumination unit 63 serves as an illumination unit, and a very bright room lamp can be provided.
- the synthetic resin material mixed with highly dispersed silica has a certain degree of elasticity, it does not break, such as being broken by an impact caused by an external force.
- the mixing ratio of the substrate 91 and the highly dispersed silica powder 92 is determined by the thickness and shape of the illuminating part 63. In general, if the illuminating part 63 is thick, the highly dispersed silica powder 92 is obtained. The ratio of the high-dispersed silica powder 92 is increased if the illumination part 23 is thin.
- the substrate 8 on which the light emitting diode 81 is mounted without integrally covering the synthetic resin material 9 so as to reduce the weight of the illuminating portion 63. It may be formed as a cover body that surrounds.
- this lighting fixture 6 has a ceiling-mounted illumination by inserting a terminal 76 from the lighting fixture 6 into a fitting portion of a power supply box unit 10 disposed on a ceiling portion of a building or the like. Functions as an instrument.
- the lighting fixture 66 is a square plate-like lighting fixture that is used by being fitted to the power supply box unit 10 disposed on the ceiling of a building or the like and can be used in place of a conventional fluorescent lighting fixture.
- the illumination unit 67 is formed in a flat plate shape having a certain thickness on the synthetic resin material 9.
- a plate body 68 is attached to the rear end surface of the illumination unit 67 by a fixing member 69.
- the synthetic resin material 9 surrounding the substrate 8 on which the light emitting diode 81 is mounted is made by mixing dispersed silica as high light diffusion fine particles with silicon resin having a certain degree of elasticity. It is comprised with the synthetic resin material 9 shape
- the synthetic resin material 9 granular aggregates of highly dispersed silica are uniformly dispersed inside the silicon resin as a basic material, regardless of the cross-sectional position of the illumination part.
- the irradiated light from the light emitting diode collides with the highly dispersed silica powder 92 to cause Mie scattering.
- the entire flat illumination unit 67 serves as an illumination unit, and a very bright room lamp can be provided.
- the synthetic resin material mixed with highly dispersed silica has a certain degree of elasticity, it does not break, such as being broken by an impact caused by an external force.
- the mixing ratio of the substrate 91 and the highly dispersed silica powder 92 is determined by the thickness and shape of the illumination part 67. Generally, if the illumination part 67 is thick, the highly dispersed silica powder 92 is obtained. The ratio of the high-dispersed silica powder 92 is increased if the illumination part 23 is thin.
- the substrate 8 on which the light emitting diode 81 is mounted without integrally covering the synthetic resin material 9 so as to reduce the weight of the illuminating portion 67. It may be formed as a cover body that surrounds.
- the lighting fixture 66 is a ceiling-mounted type illumination by inserting a terminal 76 from the lighting fixture 66 into a fitting portion of the power supply box unit 10 disposed on a ceiling portion of a building or the like. Functions as an instrument.
- the method of manufacturing the ceiling-mounted lighting fixtures 6 and 66 is easy by molding a synthetic resin material, specifically injection or extrusion molding, after the substrate 8 and the connecting wire 71 on which the light emitting diode 81 is mounted are accommodated in the mold. Can be manufactured.
- the synthetic resin material is accommodated by accommodating the substrate 8 and the connecting wire 71 on which the light emitting diode 81 is mounted in a bowl-shaped or bowl-shaped mold made of a synthetic resin material or the like.
- the luminaire may be manufactured by pouring and removing from the shape mold.
- the synthetic resin material 9 may simply be poured into the mold and solidified, and various parts may be attached thereto. .
- the synthetic resin material in which high-dispersion silica is mixed into silicon resin is used as a convex lens-shaped or flat-shaped lighting fixture body, but the present invention is not limited to such a form.
- the substrate of the synthetic resin material is not limited to the silicon resin, and other translucent synthetic resin materials such as a thermosetting resin having translucency such as a polyester resin, a polyurethane resin, and an epoxy resin, depending on circumstances. It is also possible to use a light-transmitting thermoplastic resin having a melting point higher than the temperature generated in the substrate or the like.
- the surface of the illumination part of the lighting fixtures of the seventh and eighth embodiments is coated with PET resin to prevent the surface from being soiled, and when the coating member with the PET resin is soiled, it is removed, A new PET resin may be coated.
- the lighting fixture according to the embodiment of the present invention described above has a milky white color because a light-emitting diode is surrounded by a synthetic resin material mixed with light-diffusing fine particles that cause Mie scattering, and the entire circumference of the light-emitting portion is illuminated. It is a lighting fixture with excellent light directivity and diffusivity.
- the luminaire of the present invention is formed by mounting a light emitting diode on a substrate and forming an illuminating portion that surrounds the light emitting diode with a synthetic resin material mixed with light diffusing fine particles that scatter light emitted from the light emitting diode.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Led Device Packages (AREA)
Abstract
Description
11 照明器具本体
12 照光部の前端面
13 照光部
14 台座
15 連結管
16 放熱板
161 放熱孔
17 補強筒
2 照明器具
21 照明器具本体
23 照光部
24 放熱部材
25 放熱部材の前端面
26 放熱部材の後端面
28 中空部
29 補強筒
3 照明器具
31 照明器具本体
33 照光部
34 セラミック放熱板
35 アルミ底板
36 アルミ伝熱管
37 補強部
4 照明器具
41 照明器具本体
43 照光部
46 セラミック放熱棒
47 セラミックチューブ
48 熱伝導バー
49 台座
5 照明器具
51 照明器具本体
52a照光部表面、52b照光部裏面、52c照光部側面
53 照光部
6 照明器具
61 照明器具本体
62 板体
63 照光部
64 照光部の前端面
65 固定部品
66 照明器具
67 照光部
68 板体
69 固定部品
7 ケーブル
71 電線
72 絶縁性部材
73 電線接続個所
74 制御ユニット
75 制御ユニット
76 プレート
77 ケーブル
8 基板
81 発光ダイオード(LED)
9 合成樹脂材
91 気質部
92 粉粒体
10 電源ボックスユニット
本願発明の第1の実施の形態の照明器具1を図1、図2に示す。第1の実施の形態の照明器具1は、発光素子としての発光ダイオード81とこれを包囲する照光部13を有する照明器具本体11を有し、この照明器具本体11にケーブル7が接続される。照明器具本体11は、基板8に実装される発光ダイオード81と、基板8に接続される電線71とこれらを一体に密着被覆して包囲する光拡散微粒子が混合された合成樹脂材9からなる照光部13を有する。
図4は本発明の第2の実施の形態による照明器具の側面図であり、図5は図4のA−A線における断面図である。第2の実施の形態の照明器具2も、発光素子としての発光ダイオード81とこれを包囲する照光部23を有する照明器具本体21を有し、この照明器具本体21にケーブル7が接続される。そして、照光部23は発光ダイオード81を実装した基板8を包囲する合成樹脂材9で形成され、合成樹脂材9は第1の実施の形態と同様に、ある程度の弾性をもつ透光性のあるシリコン樹脂に、光拡散微粒子としての高分散シリカを混合させたものである。
図6および図7に示すのは、真球状照明器具のバリエーションとしての第3の実施の形態に係る照明器具である。図6は本発明の第3の実施の形態による照明器具の縦方向断面図であり、図7は図6のB−B線における断面図である。
(第4の実施形態)
図8および図9に示すのは、真球状照明器具のバリエーションとしての第4の実施の形態に係る照明器具である。図8は本発明の第4の実施の形態による照明器具4の側面図であり、図6は図6のA−A線における一部裁断側面図である。
図10および図11に示すのは、真球状照明器具のバリエーションとしての第5の実施の形態に係る照明器具である。図9は本発明の第5の実施の形態による照明器具401の縦方向断面図であり、図11は横方向断面図である。
図13および図14は本発明の第6の実施の形態に係る平板状照明器具5の斜視図および縦断面図である。この実施形態においても、照明器具本体51の照光部53は、発光ダイオード81を実装した基板8を包囲する合成樹脂材は、ある程度の弾性を有するシリコン樹脂に光拡散微粒子としての高分散シリカを混合させて成形した合成樹脂材で構成されている。
次に、主として建物等の天井部等に配設されてなる電源ボックスユニット10に対して設置される照明器具6について説明する。
次に、主として建物等の天井部等に配設されてなる電源ボックスユニット10に対して設置されるバリエーションの照明器具66について説明する。
Claims (13)
- 基板に発光ダイオードを実装し、前記発光ダイオードからの照射光を散乱させる光拡散微粒子を混合した合成樹脂材にて前記発光ダイオードを包囲する照光部を形成してなることを特徴とする照明器具。
- 前記発光ダイオードを包囲する合成樹脂材は、透光性を有する合成樹脂基材に発光ダイオードからの照射光をミー散乱させる粒径の微粒子を混合したことを特徴とする請求項1に記載の照明器具。
- 前記発光ダイオードを包囲する合成樹脂材は、透光性を有する合成樹脂基材に二酸化珪素の微粒子を混合したことを特徴とする請求項1または請求項2に記載の照明器具。
- 前記発光ダイオードを包囲する合成樹脂材は、透光性を有する合成樹脂基材に二酸化珪素の微粒子を凝集・融着した微細凝集体の高分散シリカを混合した合成樹脂材であることを特徴とする請求項1乃至請求項3のいずれかに記載の照明器具。
- 前記二酸化珪素の微粒子は直径10~30nmの球状体であり、前記高分散シリカの前記微細凝集体は前記微粒子が複数凝集した粒径100~400nmの嵩高凝集体であることを特徴とする請求項4に記載の照明器具。
- 前記合成樹脂材の透光性を有する合成樹脂基材は、透光性シリコン樹脂であることを特徴とする請求項1乃至請求項5のいずれかに記載の照明器具。
- 発光ダイオードを実装してなる基板に電線を接続するとともに、発光ダイオードからの照射光を散乱させる微粒子を混合した合成樹脂材にて前記電線と、前記基板と、前記発光ダイオードとを一体に密着被覆して照光部を形成したことを特徴とする請求項1乃至請求項6のいずれかに記載の照明器具。
- 前記基板には、放熱部材を接合したことを特徴とする請求項1乃至請求項7のいずれかに記載の照明器具。
- 前記放熱部材は、熱伝導性の合成樹脂材および/または金属部材および/または放熱性のセラミックで形成してなることを特徴とする請求項8に記載の照明器具。
- 前記照光部は真球状、半球状、平板状、レンズ状、または多角形状に形成したことを特徴とする請求項1乃至請求項9のいずれかに記載の照明器具。
- すくなくとも前記照光部の表面部と前記照光部から延出されるケーブルとを爆発性ガスに耐性がある部材で形成し防爆区域で使用できる照明器具としてなることを特徴とする請求項1乃至請求項10のいずれかに記載の照明器具。
- 発光ダイオードを実装してなる基板に電線を接続するとともに、前記発光ダイオードを実装してなる基板を型内に配設し、発光ダイオードからの照射光を散乱させる微粒子を混合した合成樹脂材にて前記電線と、前記基板と、前記発光ダイオードとを一体にモールドして照光部を成形することを特徴とする照明器具の製造方法。
- 発光ダイオードを実装してなる基板に電線を接続するとともに、前記発光ダイオードを実装してなる基板および放熱部材を型内に配設し、発光ダイオードからの照射光を散乱させる微粒子を混合した合成樹脂材にて前記電線と、前記基板と、前記発光ダイオード、放熱部材とを一体にモールドして照光部を成形することを特徴とする請求項12に記載の照明器具の製造方法。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011800020014A CN102439356A (zh) | 2010-05-28 | 2011-04-13 | 照明器具及其制造方法 |
| KR1020117029979A KR20130014314A (ko) | 2010-05-28 | 2011-04-13 | 조명기구 및 조명기구의 제조방법 |
| US13/266,290 US20120120654A1 (en) | 2010-05-28 | 2011-04-13 | Lighting appliance and process for manufacturing the same |
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| JP2010-123591 | 2010-05-28 | ||
| JP2010123591A JP4717148B1 (ja) | 2010-05-28 | 2010-05-28 | 照明器具および照明器具の製造方法 |
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| WO2011148738A1 true WO2011148738A1 (ja) | 2011-12-01 |
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| US (1) | US20120120654A1 (ja) |
| JP (1) | JP4717148B1 (ja) |
| KR (1) | KR20130014314A (ja) |
| CN (1) | CN102439356A (ja) |
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- 2011-04-13 WO PCT/JP2011/059667 patent/WO2011148738A1/ja not_active Ceased
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Also Published As
| Publication number | Publication date |
|---|---|
| US20120120654A1 (en) | 2012-05-17 |
| CN102439356A (zh) | 2012-05-02 |
| JP2011249249A (ja) | 2011-12-08 |
| JP4717148B1 (ja) | 2011-07-06 |
| KR20130014314A (ko) | 2013-02-07 |
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