CN204042478U - The lighting apparatus of light-emitting device and this light-emitting device of use - Google Patents

The lighting apparatus of light-emitting device and this light-emitting device of use Download PDF

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Publication number
CN204042478U
CN204042478U CN201290001191.8U CN201290001191U CN204042478U CN 204042478 U CN204042478 U CN 204042478U CN 201290001191 U CN201290001191 U CN 201290001191U CN 204042478 U CN204042478 U CN 204042478U
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CN
China
Prior art keywords
light
emitting device
base plate
installation base
component
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.)
Expired - Fee Related
Application number
CN201290001191.8U
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Chinese (zh)
Inventor
海路博司
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Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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Filing date
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F21V19/004—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by deformation of parts or snap action mountings, e.g. using clips
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F21V23/004—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board
    • F21V23/006—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board the substrate being distinct from the light source holder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/103—Outdoor lighting of streets or roads
    • 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]

Abstract

Installation base plate, insulating component and pressing member is comprised according to described light-emitting device of the present utility model.Described installation base plate has first surface and second surface on the thickness direction of described installation base plate.Described installation base plate contacts with radiating component at described first surface place.Described installation base plate comprises and will be connected to the live part of light-emitting component on described second surface.Described insulating component has electrical insulation capability, and is connected to the described second surface of described installation base plate and does not cover described light-emitting component.Described pressing member is set to press described insulating component, to be pressed towards described radiating component by described installation base plate.

Description

The lighting apparatus of light-emitting device and this light-emitting device of use
Technical field
The utility model relates to light-emitting device and uses the lighting apparatus of this light-emitting device.
Background technology
For light emitting diode (hereinafter, being called as LED), the increase of the temperature of LED may cause the reduction in the reduction of light output and the life-span of LED potentially.Therefore, for the light emitting diode of the LED comprised as light source, need the increase of the temperature reducing LED.
In the past, proposed the light-emitting device of the light-emitting component comprising such as LED and so on and used the lighting apparatus (such as, file 1 [JP 2011-82141 A]) of this light-emitting device.
File 1 discloses the LED 81 with the structure shown in Figure 10, the example of the lighting apparatus that this LED 81 uses as indoor or outdoors.
LED 81 comprises lamp body 82, lampshade (globe) 83, E-type pedestal 84, lighting device 85 and COB (chip on board) type light-emitting device 86.
Lamp body 82 is made up of metal material, and thus serves as radiating component.
It should be pointed out that file 1 is open, multiple radiator shutter 87 forms as one with the outer surface of lamp body 82.
Further, file 1 is open, light-emitting device 86 is attached to the stayed surface 82a of lamp body 82.
Light-emitting device 86 comprises the substrate 88 (see Figure 11) with rectangular shape.
Substrate 88 is made up of whiteware material and has electrical insulation capability.
Further, substrate 88 comprises installation region 88a in the central part office of first type surface (upper surface in Figure 11), and installation region 88a defines patterned lead (not shown).Multiple light-emitting diode chip for backlight unit 89 (see Figure 10) is located in the 88a of this installation region.
In this regard, file 1 is open, and light-emitting diode chip for backlight unit 89 is regularly arranged, so that the patterned lead corresponding with patterned lead is adjacent.
In addition, file 1 is open, utilizes silicone-type bonding that light-emitting diode chip for backlight unit 89 is bonded to installation region 88a.
And file 1 is open, by bonding wire (not shown) the positive electrode of each light-emitting diode chip for backlight unit 89 and negative electrode be electrically connected to respectively two adjacent patterned lead-in wires in patterned lead.
In addition, file 1 is open, utilizes encapsulating component 90 to cover patterned lead and light-emitting diode chip for backlight unit 89.In this regard, encapsulate component 90 to be made up of light-transmissive resin material (epoxy resin or silicones).
In addition, utilize screw 93 that a pair pressing member 91 and 92 is attached to stayed surface 82a.Each pressing member in pressing member 91 and 92 is the leaf spring formed by making corrosion resistant plate bend with stepped-style.Further, pressing member 91 and 92 comprises standing part 91a and 92a respectively, erects part 91b and 92b and pressing part 91c and 92c (see Figure 11).
In this regard, file 1 is open, and pressing part 91c and 92c of pressing member 91 and 92 is positioned on the marginal portion of substrate 88 (being different from the part of installation region).
Further, file 1 is open, each pressing part in pressing part 91c and 92c of pressing member 91 and 92 by light-emitting device 86 flexiblely by being pressed on the stayed surface 82a of lamp body 82.
In addition, file 1 is open, between the farther first type surface (lower surface in Figure 11) and the stayed surface 82a of lamp body 82 of substrate 88, preferably provide thermal conductive greases.
About the LED 81 with the structure shown in Figure 10, pressing part 91c and 92c of pressing member 91 and 92 is by light-emitting device 86 flexiblely by being pressed on the stayed surface 82a of lamp body 82, and thus the substrate 88 of light-emitting device 86 is thermally coupled to lamp body 82.
Therefore, when light-emitting diode chip for backlight unit 89 is luminous, above-mentioned LED 81 can by the radiator shutter 87 of lamp body 82 by extremely outside for the dissipating heat produced by light-emitting diode chip for backlight unit 89.Therefore, it is possible to reduce the increase of the temperature of light-emitting diode chip for backlight unit 89.
But, in the LED 81 with the structure shown in Figure 10, utilize screw 93 that the pressing member 91 and 92 be made up of stainless steel leaf spring is attached to the lamp body 82 be made up of metal.
For this reason, in LED 81, in order to improve the performance that the live part (patterned lead) that makes substrate 88 insulate, being necessary to increase the creep age distance between each pressing member and patterned lead in pressing member 91c and 92c and each pressing member in pressing member 91c and 92c and utilizing the creep age distance encapsulated between light-emitting diode chip for backlight unit 89 that component 90 covers.This causes the increase of the planar dimension of substrate 88 potentially.
Utility model content
In view of deficiency, the utility model object is to propose: light-emitting device, and described light-emitting device allows that raising makes the insulating properties of the live part of installation base plate and do not increase the planar dimension of described installation base plate; And lighting apparatus, described lighting apparatus comprises described light-emitting device.
Described light-emitting device according to first aspect of the present utility model comprises: installation base plate, insulating component and pressing member.Described installation base plate has first surface and second surface on the thickness direction of described installation base plate.Described installation base plate contacts with radiating component at described first surface place.Installing light emitting element on described second surface.Described installation base plate comprises and will be connected to the live part of light-emitting component on described second surface.Described insulating component has electrical insulation capability.Described insulating component is connected to the described second surface of described installation base plate and does not cover described light-emitting component.Described pressing member is positioned at the described insulating component place of pressing, to be pressed towards described radiating component by described installation base plate.
According to the described light-emitting device of second aspect of the present utility model, depend on first aspect, described light-emitting device also comprises described radiating component.Described pressing member is fixed on described radiating component, described insulating component and described installation base plate are maintained between described pressing member and described radiating component.
According to the described light-emitting device of the third aspect of the present utility model, depend on second aspect, described insulating component comprises cover part, and described cover part covers the described second surface of described installation base plate.Described cover part comprises the openning that described light-emitting component is exposed.Described pressing member is formed to contact with the described cover part of described insulating component.
According to the described light-emitting device of fourth aspect of the present utility model, depend on the third aspect, described pressing member comprises: body part, and described body part is fixed on described radiating component; Multiple pressing part, described multiple pressing part be with the predetermined direction that described thickness direction intersects on be positioned on the opposite side of described cover part, to contact with the described cover part in described thickness direction; And multiple Extendible flake, described multiple pressing part is connected to described body part by described multiple Extendible flake separately.
According to the described light-emitting device of the 5th aspect of the present utility model, depend on fourth aspect, described multiple Extendible flake is the spring leaf of allowing that described pressing part flexibly contacts with described insulating component.
According to the described light-emitting device of the 6th aspect of the present utility model, depend on the 5th aspect, described pressing member is made up of resilient metal material, and described body part, described multiple pressing part and described multiple Extendible flake are formed as one.
According to the described light-emitting device of the 7th aspect of the present utility model, depend on any one aspect in the first to the 5th aspect, described pressing member comprises and stops that described insulating component is at least one stop portions that the predetermined party of intersecting with described thickness direction moves up.
According to the described light-emitting device of eighth aspect of the present utility model, depend on the 7th aspect, multiple stop portions is positioned on the opposite side of described insulating component on described predetermined direction, to contact with described insulating component.
According to the described light-emitting device of the 9th aspect of the present utility model, depend on eighth aspect, described insulating component comprises: multiple wall portion, and described multiple wall portion is positioned on the opposite side of described installation base plate on described predetermined direction; With multiple flange portion, described multiple flange portion is protruding from described multiple wall portion along described predetermined direction.Described multiple stop portions is arranged such that described multiple stop portions contacts with described multiple wall portion respectively on described predetermined direction, and makes described multiple wall portion between described radiating component and described multiple stop portions.
According to the described light-emitting device of the tenth aspect of the present utility model, depend on the 9th aspect, described radiating component comprises the recess receiving described multiple wall portion.
According to the described light-emitting device of the 11 aspect of the present utility model, depend on the either side in the first to the tenth aspect, described installation base plate comprises the live part by being connected to described light-emitting component on described second surface.
According to the described light-emitting device of the 12 aspect of the present utility model, depend on the 11 aspect, described live part comprises the circuit in order to electric power to be supplied to described light-emitting component from external power source.
According to the described light-emitting device of the 13 aspect of the present utility model, depend on the 11 or the 12 aspect, described live part is positioned on the core of described second surface.
According to the described light-emitting device of fourteenth aspect of the present utility model, depend on the either side in the first to the 13 aspect, described installation base plate is made up of ceramic substrate.
Described lighting apparatus according to the 15 aspect of the present utility model comprises: the light-emitting device according to the either side in the first to fourteenth aspect; And be configured to the apparatus body keeping described light-emitting device.
Accompanying drawing explanation
Fig. 1 is the schematic section of the light-emitting device according to an embodiment of the present utility model.
Fig. 2 is the biopsy cavity marker devices schematic perspective view of above light-emitting device.
Fig. 3 is the section obtained along the line A-A in Fig. 2.
Fig. 4 is the schematic perspective view of the pressing member of above light-emitting device.
Fig. 5 is the section obtained along Fig. 4 center line B-B.
Fig. 6 is the schematic perspective view of the first example of the lighting apparatus comprising above light-emitting device.
Fig. 7 is the schematic perspective view of the second example of the lighting apparatus comprising above light-emitting device.
Fig. 8 is the schematic perspective view of the second example of above lighting apparatus.
Fig. 9 is the schematic diagram of the light emission surface of the second example illustrating above lighting apparatus.
Figure 10 is the section of the lighting apparatus in background technology.
Figure 11 is the stereogram of the part of lighting apparatus in background technology.
Detailed description of the invention
Referring to figs. 1 through Fig. 9 to the description below having made according to the light-emitting device of an embodiment of the present utility model.
Such as, the light-emitting device 10 of the present embodiment can be used for the light source (see Fig. 6 to Fig. 9) of lighting apparatus 30.
Light-emitting device 10 comprises: radiating component 1; Installation base plate 2b, installation base plate 2b has installed at least one LED (not shown); Insulation covers (insulating component) 3, and insulation covers side part and the marginal portion that (insulating component) 3 covers first type surface (upper surface in Fig. 1) 2d of installation base plate 2b; And pressing member 4, installation base plate 2b is pressed towards radiating component 1 by pressing insulation covering 3 by pressing member 4.
Radiating component 1 has plate shape (such as, rectangular plate shape).This radiating component 1 can be made up of the material of the thermal conductivity had higher than resin (such as, the metal material of such as aluminium, copper and stainless steel and so on).
On the thickness direction (in Fig. 1 upward direction or in downward direction) of installation base plate 2b, installation base plate 2b has first surface (lower surface in Fig. 1) 2c and second surface (upper surface in Fig. 1) 2d.Installation base plate 2b is made up of such as ceramic substrate.
Installation base plate 2b contacts at first surface 2c place with radiating component 1.
Installation base plate 2b comprises circuit (not shown) on second surface 2d, and this circuit is used for electric power to be supplied to light-emitting component from external power source (not shown).Circuit part is the part (that is, live part) be energized in use.In brief, installing light emitting element on the second surface 2d of installation base plate 2b.
As described above, installation base plate 2b comprises the live part to light-emitting component to be joined on second surface 2d.Live part comprises circuit (not shown), and electric power is supplied to light-emitting component from external power source (not shown) by this circuit.Live part is positioned on the core of second surface 2d.Light-emitting component can be such as at least one LED.
Such as, installation base plate 2b comprises ceramic substrate, and this ceramic substrate has electrical insulation capability and is made up of white pottery ceramic material (such as, aluminium oxide and aluminium nitride).
In addition, installation base plate 2b provides patterned conductor (not shown).This patterned conductor will be connected to LED.This patterned conductor composition is used for circuit electric power being supplied to light-emitting component (LED) from external power source (not shown).
It should be pointed out that, in the light-emitting device 10 of the present embodiment, the outer shape of installation base plate 2b is rectangular shape, but can be not limited thereto shape.
In addition, in the present embodiment, installation base plate 2b is made up of ceramic substrate, but can be made up of the printed wiring board be such as made up of the insulated substrate of glass epoxy resin etc.
The core of the first type surface (second surface 2d) of installation base plate 2b installs one or more LED.
LED can be white light LEDs.White light LEDs is such as made up of the LED chip (hereinafter referred to as blue-light LED chip) and the fluorophor that comprises yellow fluorophor that are configured to launch blue light.When be subject to from blue-light LED chip launch blue-light excited time, yellow fluorophor has the gold-tinted of wide wave-length coverage by launching.Thus white light LEDs is by transmitting white.
This white light LEDs comprises color converter (not shown).Color converter covers blue LED die and is made up of the first light transmissive material containing yellow fluorophor.First light transmissive material configuration example is as being silicones, epoxy resin or glass.
In the light-emitting device 10 of the present embodiment, the encapsulating part 2a be made up of the second light transmissive material encloses blue-light LED chip and color converter.Second light transmissive material can be such as silicones, epoxy resin or glass.In the present embodiment, the outer shape of encapsulating part 2a is rectangular shape, but can be not limited thereto shape and can be round-shaped.
The fluorophor of LED is not limited to yellow fluorophor, and can comprise such as red-emitting phosphors and green-emitting phosphor.In addition, LED can be different white light LEDs, and this different white light LEDs comprises the LED chip and one group of red-emitting phosphors, green-emitting phosphor and blue emitting phophor of launching purple light or black light, so that transmitting white.Or LED can be different white light LEDs, this different white light LEDs comprises the LED chip of red-emitting, the LED chip of transmitting green light and blue-light LED chip, so that transmitting white.It should be pointed out that the glow color of LED is not limited to white.
Hereinafter, about the present embodiment, in order to simplified characterization, the set of encapsulating part 2a, the LED encapsulated by encapsulating part 2a and installation base plate 2b can be taken as light source cell 2.
It should be pointed out that in the light-emitting device 10 of the present embodiment, the front surface (upper surface in Fig. 1) of encapsulating part 2a defines the light emission surface of light source cell 2.
Further, a pair first electrode (not shown) being electrically connected to LED are positioned on the core of first type surface (second surface 2d) of installation base plate 2b.This is formed the part of the first electrode by patterned conductor (circuit).
In the light-emitting device 10 of the present embodiment, the anode of LED is electrically connected to this to the first electrode of in the first electrode, and the negative electrode of LED is electrically connected to this to another first electrode in the first electrode.It should be pointed out that this forms the live part of LED to be electrically connected to the first electrode in the light-emitting device 10 of the present embodiment.
In addition, a pair second electrode (not shown) for supplying electric power to LED are positioned at the marginal portion of the first type surface (second surface 2d) of installation base plate 2b.This is formed the part of the second electrode by patterned conductor (circuit).
The light-emitting device 10 of the present embodiment comprises the pair of terminal 6a to a pair electric wire 5a and 5b (see Fig. 2) to be joined and 6b (see Fig. 3) respectively.This utilizing solder that this is electrically connected to installation base plate 2b respectively to electronics 6a and 6b is to the second electrode.
In more detail, in the light-emitting device 10 of the present embodiment, this is made up of U-shape terminal board each terminal in terminal 6a and 6b, and utilizes solder two pins of terminal board to be all electrically connected to this second electrode to the correspondence in the second electrode.It should be pointed out that Fig. 3 illustrates this terminal 6a to electronics 6a and 6b.
Each electric wire in electric wire 5a and 5b is the electric wire of band sheath, and the electric wire of this band sheath comprises the electric conductor 5c (see Fig. 3) of a terminal corresponding in terminal 6a and 6b to be electrically connected to and covers the electric insulation sheath 5d (see Fig. 3) of electric conductor 5c.In addition, in each electric wire in electric wire 5a and 5b, electric conductor 5c comprises a part for a terminal corresponding in terminal 6a and 6b to be electrically connected to, and this part exposes.
In the light-emitting device 10 of the present embodiment, such as, the bonding (not shown) of solder is utilized respectively the part of the electric conductor 5c of electric wire 5a and 5b to be electrically connected to this to terminal 6a and 6b.
It should be pointed out that in the light-emitting device 10 of the present embodiment, can to this in electric wire 5a and 5b be electrically connected to this one end (right-hand member in Fig. 3) opposite end to electric wire 5a and 5b of terminal 6a and 6b connector (not shown) be provided.
Insulation covers (insulating component) 3 and has electrical insulation capability, and is connected to the second surface 2d of installation base plate 2b and does not have covering luminous element.Insulation covering 3 comprises the cover part 3a of the first type surface (second surface 2d) covering installation base plate 2b.Insulation covering 3 also comprises the sidewall sections 3b of the side part covering installation base plate 2b.In the present embodiment, the material of insulation covering 3 can be the synthetic resin such as with electrical insulation capability.
Further, insulation covering 3 comprises the openning 3c of the part penetrating cover part 3a, the light emission surface of light source cell 2 faced by a part of this cover part 3a.In brief, cover part 3a is formed to cover the second surface 2d of installation base plate 2b.Cover part 3a comprises the openning 3c that light-emitting component is exposed.
In the light-emitting device 10 of the present embodiment, the interior shape of openning 3c is rectangular shape, but can be not limited thereto shape and can be such as round-shaped.
Further, in the present embodiment, the opening size of openning 3c is less than the planar dimension of installation base plate 2b, and the size of the light emission surface of about light source cell 2.Therefore, in the light-emitting device 10 of the present embodiment, insulation covering 3 can cover side part and the marginal portion of the first type surface (second surface 2d) of installation base plate 2b.
Sidewall sections 3b is included in wall portion 3b1 and 3b2 predetermined direction (direction, left and right in Fig. 1) laid respectively on the opposite side of installation base plate 2b.
Wall portion 3b1 and 3b2 lays respectively on the opposite side of installation base plate 2b in a predetermined direction.In the present embodiment, on the opposite end of cover part 3a, wall portion 3b1 and 3b2 is formed with predetermined direction.Predetermined direction is the direction intersected with thickness side's plate of installation base plate 2b.Especially, in the present embodiment, predetermined direction is the direction (left and right direction in Fig. 1) vertical with the thickness direction of installation base plate 2b.As shown in Figure 1, wall portion 3b1 is arranged on first side (left side of Fig. 1) of installation base plate 2b in a predetermined direction.Wall portion 3b2 is arranged on second side (right side of Fig. 1) of installation base plate 2b in a predetermined direction.
Further, sidewall sections 3b is included in the wall portion 3b3 on the side the second predetermined direction being positioned at installation base plate 2b, and thickness direction and the predetermined direction of the second predetermined direction and installation base plate 2b intersect.In the present embodiment, the second predetermined direction is the direction (left and right direction in Fig. 3) vertical with predetermined direction with the thickness direction of installation base plate 2b.
And insulation covering 3 comprises housing parts 3f, and one end (the lower-left end in Fig. 2) of this housing parts 3f and sidewall sections 3b is integrally formed.Housing parts 3f by hold be electrically connected to installation base plate 2b this to the part of electric wire 5a and 5b.
Housing parts 3f comprises outer casing space 12, and this outer casing space 12 lays this part to electric wire 5a and 5b.Outer casing space 12 is positioned on the side close to radiating component 1 of housing parts 3f.
In more detail, housing parts 3f comprises the first outer casing space 12a and second housing space 12b.First outer casing space 12a will lay the part of the exposure of the electric conductor of electric wire 5a and 5b.The electric insulation laying electric wire 5a and 5b is covered the part of 5d by second housing space 12b.
In the light-emitting device of the present embodiment, the first outer casing space 12a and second housing space 12b is isolated by spacer 13.This spacer 13 comprises this pair electric wire insertion holes (not shown) passed through electric wire 5a and 5b of allowing and being electrically connected to installation base plate 2b.
First outer casing space 12a spatially with cover part 3a and the sidewall sections 3b by covering 3 of insulating around space be connected.Further, the first outer casing space 12a is spatially connected with second housing space 12b to electric wire insertion holes by this formation in spacer 13.
The diapire of the first outer casing space 12a comprises sloping portion 3g.Forming sloping portion 3g makes the distance between a part of housing parts 3f and installation base plate 2b reduce gradually along with the openning 3c of the close covering 3 of insulating of this part.
Forming sloping portion 3g makes the distance between the part on the surface on the side relative with installation base plate 2b of sloping portion 3g (upper surface in Fig. 3) and the first type surface 2b of installation base plate 2b reduce gradually along with the openning 3c of the close covering 3 of insulating of this part.
Therefore, the light-emitting device of the present embodiment can suppress the reflection of the light launched from the LED of light source cell 2 by the above-mentioned surface (hereinafter, being called inclined surface) of sloping portion 3g.
In addition, in the light-emitting device 10 of the present embodiment, the reflection being suppressed the light launched from the LED of light source cell 2 by the inclined surface of sloping portion 3g is possible, and therefore, it is possible to widens the distribution of the light launched from the LED of light source cell 2.
It should be pointed out that spacer 13 forms the part of sidewall sections 3b in the light-emitting device 10 of the present embodiment.
In the light-emitting device 10 of the present embodiment, this part of the exposure of the electric conductor 5c of electric wire 5a and 5b being electrically connected to installation base plate 2b respectively by terminal 6a and 6b is to the second electrode.Alternatively, can utilize bonding respectively by the electrical connection of the part of the exposure of the electric conductor 5c of electric wire 5a and 5b and be connected directly to installation base plate 2b this to the second electrode.
In this case, in the light-emitting device 10 of the present embodiment, the angle of inclination reducing the inclined surface of sloping portion 3g and the first type surface of installation base plate 2b is to a greater degree possible, and therefore, it is possible to is suppressed the reflection of the light sent from the LED of light source cell 2 to a greater degree by the inclined surface of sloping portion 3g.
In addition, in the light-emitting device 10 of the present embodiment, suppress the reflection of the light sent from the LED of light source cell 2 to be possible to a greater degree by the inclined surface of sloping portion 3g, and therefore, it is possible to widen the distribution of the light sent from the LED of light source cell 2 to a greater degree.
Diapire to second housing space 12b provides the first rib (rib) 14 extending (downward in figure 3) towards radiating component 1.The inwall of this first rib 14 and second housing space 12b keep (hold) to be inserted into spacer 13 this to a part in the middle of the electric wire 5a of the electric wire insertion holes of in electric wire insertion holes.
And the diapire to second housing space 12b provides the second rib extended towards radiating component 1.The inwall of this second rib and second housing space 12b keep being inserted into spacer 13 this to a part in the middle of the electric wire 5b of another electric wire insertion holes in electric wire insertion holes.
In brief, in the light-emitting device 10 of the present embodiment, each rib in first rib 14 and the second rib defines tension force TVS, and the inwall cooperation of this tension force TVS and outer casing space 12 is to keep this to a part in the middle of electric wire corresponding in electric wire 5a and 5b.
Therefore, the light-emitting device 10 of the present embodiment there is no need for reducing and imposes on this extention to the tension force on electric wire 5a and 5b, and thus originally can realize reducing with the one-tenth reduced and impose on this function to the tension force on electric wire 5a and 5b.Further, the light-emitting device 10 of the present embodiment can reduce and imposes on this to the tension force on electric wire 5a and 5b, and it is possible for therefore stoping this is connected to this to the destruction of the bonding of terminal 6a and 6b to the part of the exposure of the electric conductor 5c of electric wire 5a and 5b, otherwise this tension force will cause this destruction.
Further, in the inwall (the left wall in Fig. 3) of second housing space 12b, a pair fairlead 3h and 3h (see Fig. 2) is formed.This to fairlead 3h and 3h be used for externally drawing be electrically connected to installation base plate 2b this to electric wire 5a and 5b.
In the light-emitting device 10 of the present embodiment, by this fairlead 3h and 3h drawn respectively to outside be electrically connected to installation base plate 2b this to electric wire 5a and 5b after, second housing space 12b can be filled with such as silicones.
Thus the light-emitting device 10 of the present embodiment can stop water etc. to invade the inside of outer casing space 12 to fairlead 3h and 3h by this of housing parts 3f.
In the light-emitting device 10 of the present embodiment, the side part (the lower left side part in Fig. 2) to radiating component 1 provides extension 16.Extension 16 fairlead 3h and 3h is drawn for this being drawn through housing parts 3f to the outside of light-emitting device 10 this to electric wire 5a and 5b.
Extension 16 is the otch partly formed in the side part of radiating component 1, and thus the front of radiating component 1 (upper surface in Fig. 1), side (the lower left side surface in Fig. 2) and farther front (lower surface in Fig. 2) are fractional open.
About the sidewall sections 3b of insulation covering 3, flange portion 3d (see Fig. 1) with from wall portion 3b1 and 3b2 (the upper left wall portion 3b1 Fig. 2 and bottom right wall portion 3b2), both are protruding having drawn on vertical direction, this direction (lower left) to electric wire 5a with 5b.These flange portions 3d is arranged in (lower end of Fig. 1) on one end of wall portion 3b1 and 3b2.
As described above, flange portion 3d and 3d is respectively since wall portion 3b1 and 3b2 stretches out along predetermined direction.In the present embodiment, respectively at top ends (bottom in Fig. 1) upper formation flange portion 3d and 3d of wall portion 3b1 and 3b2.It should be pointed out that radiating component 1 comprises the recess 1b of receiver wall part 3b1 and 3b2.In the present embodiment, as shown in Figure 1, the top ends (bottom in Fig. 1) of wall portion 3b1 and 3b2 is located in recess 1b.
Pressing member 4 presses insulating component 3, so that by installation base plate 2b by being pressed on radiating component 1.Especially, pressing member 4 is fixed on radiating component 1, insulating component 3 and installation base plate 2b are maintained between pressing member 4 and radiating component 1.Further, pressing member 4 is formed to contact with the cover part 3a of insulating component 3.
Pressing member 4 comprises: body part 4a, and this body part 4a is formed such plate shape that flat shape is U-shape; At least one Extendible flake 4b, this at least one Extendible flake 4b has plate shape and extends from body part 4a; And at least one pressing part 4c, this at least one pressing part 4c has plate shape, and to providing Extendible flake 4b to provide top ends so that pressing insulation covering 3 (see Fig. 1,2,4 and 5).
This pressing member 4 can be made up of metallic plate (such as, corrosion resistant plate).In brief, pressing member 4 is made up of resilient metal material, and body part 4a, multiple pressing part 4c, multiple Extendible flake 4b and extension 4e and 4f are formed as one.It should be pointed out that pressing member 4 has the thickness of 0.3mm in the light-emitting device 10 of the present embodiment, but the thickness of pressing member 4 is not limited thereto numerical value.
Further, in the present embodiment, pressing member 4 comprises multiple (being four in the present embodiment) Extendible flake 4b.
In addition, in the present embodiment, the inclination angle on the surface (upper surface in Fig. 5) of each Extendible flake 4b and body part 4a is less than 90 degree.
Therefore, in the light-emitting device 10 of the present embodiment, can by insulation covering 3 flexiblely by being pressed on radiating component 1 about each pressing part 4c of pressing member 4, pressing part 4c, and fulcrum is served as in one end relative with pressing part 4c of Extendible flake 4b.
About pressing member 4, body part 4a is fixed on radiating component 1.The predetermined direction that multiple pressing part 4c intersects at the thickness direction with installation base plate 2b is positioned on the opposite side of cover part 3a, to contact with the cover part 3a in the thickness direction of installation base plate 2b.Multiple pressing part 4c is connected to body part 4a by multiple Extendible flake 4b separately.Such as, multiple Extendible flake 4b is the spring leaf of allowing that pressing part 4c flexibly contacts with insulating component 3.
In more detail, body part 4a comprises two pin sheet 4a1 and 4a2 and one end (upper right side in Fig. 4) of pin sheet 4a1 and 4a2 is connected to brace 4a3 each other.
Edge (bottom right edge in Fig. 4) to the pin sheet 4a1 in the face of pin sheet 4a2 over there of body part 4a provides two Extendible flake 4b.In addition, the edge (left edge in Fig. 4) then to the pin sheet 4a2 in the face of pin sheet 4a1 over there of body part 4a provides two Extendible flake 4b.
The pressing part 4c being connected to the Extendible flake 4b of pin sheet 4a1 extends to the pressing part 4c of the Extendible flake 4b be connected to over there (that is, the right side in Fig. 5).Similarly, the pressing part 4c being connected to the Extendible flake 4b of pin sheet 4a2 extends to the pressing part 4c of the Extendible flake 4b be connected to over there (that is, the left side in Fig. 5).
In the light-emitting device 10 of the present embodiment, the quantity of Extendible flake 4b is four, but can be not particularly limited.At least one Extendible flake is provided to be enough to each the pin sheet in pin sheet 4a1 and 4a2.In brief, the body part 4a to pressing member 4 provides at least one pair of Extendible flake 4b and 4b to be enough.In other words, in the light-emitting device 10 of the present embodiment, it is enough that pressing member 4 comprises at least one pair of pressing part 4c and 4c.
In addition, in the light-emitting device 10 of the present embodiment, arrange that a pair pressing part 4c and 4c is preferred symmetrically.In this case, in the light-emitting device 10 of the present embodiment, this of pressing member 4 can press insulation covering 3 almost evenly to pressing part 4c and 4c, and thus insulation covering 3 can produce almost uniform load on installation base plate 2b.
In the light-emitting device 10 of the present embodiment, insulation covering 3 can produce almost uniform load on installation base plate 2b, and therefore the heat generated in the LED of light source cell 2 to be passed to radiating component 1 be effectively possible.And insulation covering 3 can produce almost uniform load on installation base plate 2b, and therefore to stop the destruction of installation base plate 2b be possible.
Further, the edge (bottom right edge in Fig. 4) to the pin sheet 4a1 in the face of pin sheet 4a2 provides the first extension 4e, to extend to the pin sheet 4a2 faced by pin sheet 4a1.
In the present embodiment, the first extension 4e is between two the Extendible flake 4b extended from pin sheet 4a1.In other words, the first extension 4e is arranged in the position different from the position of the Extendible flake 4b provided to pin sheet 4a1.
Further, the edge (left edge in Fig. 4) to the pin sheet 4a2 in the face of pin sheet 4a1 provides the second extension 4f, to extend to the pin sheet 4a1 faced by pin sheet 4a2.
In the present embodiment, the second extension 4f is between two the Extendible flake 4b extended from pin sheet 4a2.In other words, the second extension 4f is arranged in the position different from the position of the Extendible flake 4b provided to pin sheet 4a2.
Extension 4e and 4f serves as stop portions separately, and this stop portions stops that insulating component 3 is the movement on the predetermined direction (direction, left and right in Fig. 1) that the thickness direction of installation base plate 2b intersects.Multiple extension (stop portions) 4e and 4f is positioned on the opposite side of insulating component 3 in a predetermined direction, to contact with insulating component 3.In the present embodiment, multiple extension (stop portions) 4e with 4f is arranged such that multiple extension (stop portions) 4e with 4f contacts with multiple wall portion 3b1 with 3b2 separately with predetermined direction, and arranges multiple flange portion 3d and 3d between radiating component 1 and multiple extension (stop portions) 4e and 4f.
Such as, can be formed pressing member 4.First, obtained the plate with the shape corresponding with the expanded view of pressing member 4 from metallic plate by punching.Secondly, the plate benging obtained by punching is made, to produce each Extendible flake 4b of pressing member 4.Thereafter, the top ends of each Extendible flake 4b formed by bending is made to bend, to produce each pressing part 4c.
Core to the front (upper surface in Fig. 1) of radiating component 1 provides the first recess 1a, and the body part 4a of pressing member 4 will be positioned at this first recess.Each pin sheet in pin sheet 4a1 and 4a2 and brace 4a3 have the thickness of the degree of depth being less than the first recess 1a.
In the inner bottom part of the first recess 1a, form multiple (being two in the present embodiment) first fixing screw hole (not shown), wait to be screwed in the plurality of first fixing screw hole for multiple first hold-down screws 11 pressing member 4 being fixed on radiating component 1.
The multiple first hold-down screw patchhole 4d (see Fig. 4 and Fig. 5) be inserted through by multiple first hold-down screw 11 are formed the part of the body part 4a by pressing member 4, the plurality of first hold-down screw patchhole 4d is corresponding with first fixing screw hole of the first recess 1a of radiating component 1.
In more detail, the first above-mentioned hold-down screw patchhole 4d penetrates respective pin sheet 4a1 and 4a2 of the body part 4a of pressing member 4.
Therefore, in the light-emitting device 10 of the present embodiment, by the first hold-down screw 11 being inserted in the first fixing screw hole of radiating component 1 pressing member 4 is fixed on radiating component 1 in the first hold-down screw patchhole 4d of the first hold-down screw 11 being inserted into the body part 4a of pressing member 4.In brief, pressing member 4 is attached to radiating component 1.
Further, when pressing member 4 is fixed on radiating component 1, by pin sheet 4a1 and 4a2 around a part of and brace 4a3 place to be provided for receiving the second recess 1b (see Fig. 1 and Fig. 3) that insulation covers to the front of radiating component 1.In brief, radiating component 1 comprises recess (the second recess) 1b of wall portion 3b1 and 3b2 for receiving insulation covering 3.The interior shape of the second recess 1b can be rectangular shape.
In addition, in the marginal portion in the front of radiating component 1, to treating the 3rd recess 1g (see Fig. 2 and Fig. 3) being provided for receiving housing parts 3f in the part on the 12b opposite, second housing space of housing parts 3f.3rd recess 1g is formed spatially to be connected with the second recess 1b.In addition, the 3rd recess 1g is formed spatially to be connected with extension 16.
It should be pointed out that the degree of depth of each recess in the second recess 1b and the 3rd recess 1g is greater than the degree of depth of the first recess 1a.
Core to the inner bottom part of the second recess 1b provides terrace part 1c.Terrace part 1c protrudes upward in direction (top in Fig. 1) side in the front pointing to radiating component 1.In the light-emitting device 10 of the present embodiment, the outer shape of terrace part 1c is rectangle, but can be not limited thereto shape.
Further, in the present embodiment, installation base plate 2b to be positioned on the front surface 1e of terrace part 1c/top.In brief, in the light-emitting device 10 of the present embodiment ,/top is gone up in the front (the front surface 1e of the terrace part 1c of radiating component 1) that installation base plate 2b is positioned at radiating component 1.
Installation base plate 2b is designed to have such planar dimension: when covering 3 of insulating covers side part and the marginal portion in the front of installation base plate 2b, and the side part of installation base plate 2b contacts with spacer 13 with the sidewall sections 3b of insulation covering 3.Therefore, the light-emitting device 10 of the present embodiment can stop the transverse shifting of installation base plate 2b.
In the present embodiment, the terrace part 1c of radiating component 1 has the planar dimension of the planar dimension being less than installation base plate 2b, but can have the planar dimension identical with installation base plate 2b.Thus the heat generated in the LED of light source cell 2 can be passed to radiating component 1 by the light-emitting device 10 of the present embodiment effectively.
In addition, what each flange portion 3d of covering 3 of insulating had a distance between the inner surface of the side surface of the terrace part 1c being less than radiating component 1 and the recess 1b of radiating component 1 stretches out size (see Fig. 1).
Further, each flange portion 3d has the thickness (see Fig. 1) stretching out size being less than terrace part 1c.
In addition, in the marginal portion of the cover part 3a of insulation covering 3, above-mentioned vertical direction provides the ledge 3e (see Fig. 1) to radiating component 1 outstanding () to the opposite side (upper left side in Fig. 2 and lower right side) of the marginal portion of the cover part 3a of insulation covering 3 in Fig. 2 downwards.Ledge 3e allows that installation base plate 2b is maintained between the terrace part 1c of radiating component 1 and ledge 3e.
And extension 4e and the 4f of pressing member 4 has and such stretches out size: when pressing member 4 is fixed on radiating component 1, the external contact (see Fig. 1) of extension 4e and 4f and the sidewall sections 3b of insulation covering 3.
It should be pointed out that in the light-emitting device 10 of the present embodiment, each extension composition in extension 4e and 4f is in order to stop the stop portions of insulation covering 3 in the movement in a lateral direction of installation base plate 2b.
In the light-emitting device 10 of the present embodiment, if the movement on the direction (top Fig. 1) that the light that the resilient change of the shape of the Extendible flake 4b of pressing member 4 causes insulation covering 3 to launch from the LED of light source cell 2 is wherein advanced, the insulation flange portion 3d of covering 3 contacts with extension 4e with 4f of pressing member 4, and thus insulation covering 3 can be stoped to come off from pressing member 4.
In addition, multiple (being three in the present embodiment) attachment portion 1f (see Fig. 2 and Fig. 3) is laterally extending from the side part of radiating component 1.Attachment portion 1f is used for the apparatus body 20 (see Fig. 6) light-emitting device 10 being attached to lighting apparatus 30.
The first attachment screw insertion hole 1d is provided respectively to attachment portion 1f.Each first attachment screw insertion hole 1d allows the insertion for the first attachment screw (not shown) light-emitting device 10 being attached to apparatus body 20.
It should be pointed out that in the present embodiment, the quantity of attachment portion 1f is three, but can be not limited thereto quantity.
Hereinafter, the program of the assembling of the light-emitting device 10 of the present embodiment is described.It should be pointed out that below about in the description of the present embodiment, assuming that this is electrically connected to installation base plate 2b in advance to electric wire 5a and 5b.
In the light-emitting device 10 of the present embodiment, first, covering 3 of insulating is arranged to side part and the marginal portion of the principal plane covering installation base plate 2b.At this moment, by the openning 3c of covering 3 of insulating, the encapsulating part 2a of light source cell 2 is exposed.
Secondly, the installation base plate 2b of light source cell 2 is positioned on the front surface 1e of the terrace part 1c of radiating component 1, and makes insulation covering 3 be arranged in the second recess 1b and the 3rd recess 1g of radiating component 1.
After that, pressing member 4 is set to make body part 4a in the first recess 1a, and then utilizes hold-down screw 11 that pressing member 4 is fixed on radiating component 1.Thus, be assembled with light-emitting device 10.
Therefore, in the light-emitting device 10 of the present embodiment, each pressing part 4c of pressing member 4 can by insulation covering 3 by being pressed on radiating component 1.In brief, in the light-emitting device 10 of the present embodiment, pressing member 4 can insulate covering 3 by installation base plate 2b by being pressed on radiating component 1 by pressing.
In addition, in the light-emitting device 10 of the present embodiment, pressing member 4 can insulate covering 3 by installation base plate 2b by being pressed on radiating component 1 by pressing, and thus efficiently the heat that the LED by light source cell 2 produces can be passed to radiating component 1 by installation base plate 2b.As a result, the rising of the temperature of LED can be suppressed.
It should be pointed out that in the light-emitting device 10 of the present embodiment, such as, the heat conduction member (not shown) providing such as lubricating grease and conducting strip and so between installation base plate 2b and the terrace part 1c of radiating component 1 is preferred.
Therefore, the light-emitting device 10 of the present embodiment can come more effectively the heat that the LED by light source cell 2 produces to be passed to radiating component 1 by installation base plate 2b and above heat-conductive assembly, and thus the heat dispersion that can improve for light source cell 2.
The light-emitting device 10 of the present embodiment as described above comprises: radiating component 1; Installation base plate 2b, installation base plate 2b is positioned at the front (the front surface 1e of terrace part 1c) of radiating component 1 upper/top and comprise live part (a pair above first electrodes), this live part to be joined to LED and at installation base plate 2b with on the core in the front on radiating subassembly 1 opposite side; Insulation covering 3, insulation covering 3 covers side part and the marginal portion of the first type surface of installation base plate 2b; And pressing member 4, by use insulation covering 3, pressing member 4 by installation base plate 2b by being pressed on radiating component 1.
In other words, the light-emitting device of the present embodiment comprises installation base plate 2b, insulating component (insulation covers) 3 and pressing member 4.Installation base plate 2b has first surface 2c and second surface 2d on the thickness direction of installation base plate 2b.Installation base plate 2b contacts with radiating subassembly 1 at first surface 2c place.Installing light emitting element on the second surface 2d of installation base plate 2b.Insulating component 3 has electrical insulation capability.Insulating component 3 is connected to the second surface 2d of installation base plate 2b and does not have covering luminous element.Pressing member 4 is positioned at pressing insulating component 3 place, to be pressed towards radiating component 1 by installation base plate 2b.
According to the light-emitting device 10 of the present embodiment, contrast with the LED 81 of the background technology shown in Figure 10, increase the creep age distance between each pressing part 4c of pressing member 4 and the live part of installation base plate 2b and the planar dimension that do not increase installation base plate 2b is possible.
Further, according to the light-emitting device 10 of the present embodiment, increase the creep age distance between each pressing part 4c of pressing member 4 and the live part of installation base plate 2b and the planar dimension that do not increase installation base plate 2b is possible, and thus lightning surge resistance can be improved.As a result, it is possible for improving the performance making the live part electric insulation of installation base plate 2b.
In brief, the light-emitting device 10 of the present embodiment is allowed the performance that raising makes the live part of installation base plate 2b insulate and is not increased the planar dimension of installation base plate 2b.
In addition, the light-emitting device 10 of the present embodiment also comprises radiating component 1.Pressing member 4 is fixed on radiating component 1, insulating component 3 and installation base plate 2b are maintained between pressing member 4 and radiating component 1.It should be pointed out that this configuration is optional.
Especially, in the light-emitting device 10 of the present embodiment, insulating component 3 comprises cover part 3a, and cover part 3a covers the second surface 2d of installation base plate 2b.Cover part 3a comprises the openning 3c that light-emitting component is exposed.Pressing member 4 is formed to contact with the cover part 3a of insulating component 3.It should be pointed out that this configuration is optional.
Especially, in the light-emitting device 10 of the present embodiment, pressing member 4 comprises: body part 4a, and this body part 4a is fixed on radiating component 1; Multiple pressing part 4c, 4c, the plurality of pressing part 4c, 4c are positioned on the opposite side of cover part 3a, to contact with the cover part 3a in thickness direction on the predetermined direction intersected with thickness direction; And multiple Extendible flake 4b, multiple pressing part 4c, 4c are connected to body part 4a by the plurality of Extendible flake 4b separately.It should be pointed out that this configuration is optional.
Especially, in the light-emitting device 10 of the present embodiment, multiple Extendible flake 4b is the spring leaf of allowing that pressing part 4c flexibly contacts with insulating component 3.It should be pointed out that this configuration is optional.
Especially, in the light-emitting device 10 of the present embodiment, pressing member 4 is made up of resilient metal material, and body part 4a, multiple pressing part 4c and multiple Extendible flake 4b are formed as one.It should be pointed out that this configuration is optional.
Especially, in the light-emitting device 10 of the present embodiment, installation base plate 2b comprises the live part to light-emitting component to be joined on second surface 2d.It should be pointed out that this configuration is optional.
Especially, in the light-emitting device 10 of the present embodiment, live part comprises to the circuit of light-emitting component supply from the electric power of external power source.It should be pointed out that this configuration is optional.
Especially, in the light-emitting device 10 of the present embodiment, live part is positioned on the core of second surface 2d.It should be pointed out that this configuration is optional.
Especially, in the light-emitting device 10 of the present embodiment, installation base plate 2b is made up of ceramic substrate.It should be pointed out that this configuration is optional.
Further, in the light-emitting device 10 of the present embodiment, provide in order to stop insulation covering 3 in the stop portions (extension 4e and 4f) of the movement in a lateral direction of installation base plate 2b to pressing member 4.
In a word, in light-emitting device 10, pressing member 4 is attached to radiating component 1, and this pressing member 4 comprises in order to stop insulation covering 3 at stop portions (extension) 4e and 4f of the movement in a lateral direction of installation base plate 2b.
In other words, in the light-emitting device 10 of the present embodiment, pressing member 4 comprises at least one stop portions (extension) 4e, 4f of stopping that insulating component 3 moves up in the predetermined party of intersecting with thickness direction.It should be pointed out that this configuration is optional.
Especially, in the light-emitting device 10 of the present embodiment, multiple stop portions 4e and 4f is positioned on the opposite side of insulating component 3 in a predetermined direction, to contact with insulating component 3.It should be pointed out that this configuration is optional.
Especially, in the light-emitting device 10 of the present embodiment, insulating component 3 comprises: multiple wall portion 3b1 and 3b2, and described multiple wall portion 3b1 and 3b2 is positioned on the opposite side of installation base plate 2b in a predetermined direction; And multiple flange portion 3d and 3d, the plurality of flange portion 3d and 3d is protruding from multiple wall portion 3b1 and 3b2 with predetermined direction.Multiple stop portions 4e is arranged such that with 4f: the plurality of stop portions 4e contacts with multiple wall portion 3b1 with 3b2 with predetermined direction separately with 4f, and multiple wall portion 3b1 and 3b2 is between radiating component 1 and multiple stop portions 4e and 4f.It should be pointed out that this configuration is optional.
Especially, in the light-emitting device 10 of the present embodiment, radiating component 1 comprises the recess 1b receiving multiple wall portion 3b1 and 3b2.It should be pointed out that this configuration is optional.
According to this configuration, stop insulation covering 3 to be possible in the movement in a lateral direction of installation base plate 2b, and thus above-mentioned creep age distance can be kept almost constant.Therefore, in the light-emitting device 10 of the present embodiment, the performance of the electric insulation of the live part of installation base plate 2b can be improved to a greater degree.
Hereinafter, the example (the first example) of the lighting apparatus of the light-emitting device 10 comprising the present embodiment is described with reference to Fig. 6.
The lighting apparatus 30 (30A) of the first example is street lamp.This lighting apparatus 30A comprises: above-mentioned light-emitting device 10; Be configured to the apparatus body 20 keeping this light-emitting device 10; And lampshade 21, the light-emitting device 10 that lampshade 21 is printing opacity and covering is kept by apparatus body 20.
It should be pointed out that in lighting apparatus 30A, keep multiple (being four in the present embodiment) light-emitting device 10 by individual equipment body 20.In lighting apparatus 30A, the quantity of light-emitting device 10 is four, but can be one.
Such as, apparatus body 20 is made up of the metal material of such as stainless steel and so on.In addition, apparatus body 20 comprises body part 20a and holder part 20b.Body part 20a has bowl-type and comprise open surfaces on downside.Holder part 20b is fixed in the inner bottom part of this body part 20a and light-emitting device 10 will be made to remain unchanged.
Holder part 20b has the pyramidal shape based on hollow truncate rectangle.
Bottom (upper surface in Fig. 6) to holder part 20b is provided for flange portion 20c holder part 20b being fixed on body part 20a.In the present embodiment, the outer shape of flange portion 20c is round-shaped.
It should be pointed out that in lighting apparatus 30A, the shape of holder part 20b is the pyramid based on hollow truncate rectangle, but the shape of being not limited thereto.Further, in lighting apparatus 30A, the outer shape of flange portion 20c is round-shaped, but the shape of being not limited thereto.
Multiple (being four in lighting apparatus 30A) the second hold-down screw patchhole (not shown) is provided to the flange portion 20c being connected to holder part 20b.Each second hold-down screw patchhole allows the insertion of the second hold-down screw 23 for holder part 20b being fixed on body part 20a.
Further, part to the inner bottom part of body part 20a provides multiple fixing screw hole (not shown) that wherein multiple second hold-down screw 23 is to be screwed into, and the plurality of fixing screw hole is corresponding with the second hold-down screw patchhole of flange portion 20c.
In lighting apparatus 30A, by the second hold-down screw 23 being inserted into the second hold-down screw patchhole of the flange portion 20c being connected to holder part 20b and the second hold-down screw 23 being screwed in second fixing screw hole of body part 20a holder part 20b is fixed on body part 20a.
Standing part (not shown) is provided to the surface (lower surface in Fig. 6) on the side relative with bottom of holder part 20b.Such as, standing part is configured to the one end (upper end in Fig. 6) lighting apparatus 30A being connected to removedly the cylindrical pillars 22 stood on highway.
In lighting apparatus 30A, light-emitting device 10 is remained on the side surface of holder part 20b separately.In more detail, about each side surface of holder part 20b, provide the first attachment screw hole (not shown) that wherein the first attachment screw is to be screwed into, it is corresponding that first of the radiating component 1 of this first attachment screw hole and light-emitting device 10 adheres to screw insertion hole 1d.
In lighting apparatus 30A, by the first attachment screw being screwed in the first attachment screw hole of holder part 20b each light-emitting device 10 is fixed on holder part 20b in the first attachment screw insertion hole 1d of the first attachment screw being inserted into the radiating component 1 of light-emitting device 10.Therefore, holder part 20b can keep light-emitting device 10.
Light-emitting device 10 comprises at least one projection 15 for settling light-emitting device 10 relative to holder part 20b on the farther front (lower surface in Fig. 1 and Fig. 3) of radiating component 1.Further, each side surface of holder part 20b comprises recess (not shown) in the position that the projection 15 of the radiating component 1 with light-emitting device 10 is corresponding.
Therefore, in lighting apparatus 30A, light-emitting device 10 is being attached in the process of holder part 20b, is promoting that it is possible that light-emitting device 10 is mounted to holder part 20b.As a result, machinability light-emitting device 10 being attached to holder part 20b can be improved.
It should be pointed out that in lighting apparatus 30A, the quantity of projection 15 is three, but is not limited thereto quantity.
In addition, in lighting apparatus 30A, the lighting device (not shown) being configured to operate each light-emitting device 10 is positioned at the inside of holder part 20b.This of each light-emitting device 10 is electrically connected to lighting device to electric wire 5a and 5b.It should be pointed out that this in Fig. 6 in each light-emitting device 10 not shown is to electric wire 5a and 5b.
Lampshade 21 has bowl-type and comprise open surfaces on upside.At lighting apparatus 30A, lampshade 21 is made up of light transmissive material.Light transmissive material can be light-transmissive resin (such as, ABS resin, acrylic resin and polystyrene resin) or glass.In the present embodiment, the size of the open surfaces of lampshade 21 is less than the size of the open surfaces of body part 20a.
Lampshade 21 comprises the through hole 21a allowing that post 22 passes through at top.
Upper part to the exterior side surfaces of lampshade 21 provides multiple second attachment screw hole 21b, and the multiple second attachment screw (not shown) for lampshade 21 being attached to apparatus body 20 are waited to be screwed in the plurality of second attachment screw hole 21b.
Part to the low portion of the outer wall of the body part 20a of apparatus body 20 provides wherein multiple second attachment screw to treat multiple second attachment screw insertion hole 20d that (not shown) is inserted into, and it is corresponding that the plurality of second attachment screw insertion hole 20d and multiple second of lampshade 21 adhere to screw hole 21b.
In lighting apparatus 30A, be inserted into by adhering to screw by second in the second attachment screw hole 21b being inserted into lampshade 21 in the second attachment screw insertion hole of the body part 20a of apparatus body 20 and by the second attachment screw and lampshade 21 is attached to apparatus body 20.
It should be pointed out that in lighting apparatus 30A, by using unshowned clamp structure (metalwork), utilizing the second attachment screw apparatus body 20 and lampshade 21 to be fixed on each other.In lighting apparatus 30A, the unit for lampshade 21 being attached to apparatus body 20 comprises clamp structure and the second attachment screw, but can be not particularly limited.
The lighting apparatus 30 comprising above-mentioned light-emitting device 10 is not limited to the lighting apparatus 30 (30A) with the structure shown in Fig. 6, and can be the lighting apparatus 30 (30B) such as with the structure shown in Fig. 7 to Fig. 9.
Fig. 7 to Fig. 9 shows another example (the second example) of the lighting apparatus 30 of the light-emitting device 10 comprised in the present embodiment.Lighting apparatus 30 (30B) in second example is floodlight, and comprises: above-mentioned light-emitting device 10, be configured to keep the apparatus body 50 of this light-emitting device 10; And the printing opacity covering the light-emitting device 10 kept by apparatus body 50 covers (not shown).
In lighting apparatus 30B, keep multiple (being eight in the present embodiment) light-emitting device 10 by individual equipment body 50.In lighting apparatus 30B, the quantity of light-emitting device 10 is eight, but can be one.
Apparatus body 50 comprises: body part 51, and body part 51 has box-like and comprises each light-emitting device 10 attachment portion 51a to be attached; Fixed component 53, fixed component 53 is for by lighting apparatus 30B building surface being fixed on wall surface etc.; And coupling part 52, body part 51 is rotatably connected to fixed component 53 by coupling part 52.
At lighting apparatus 30B, the lighting device (not shown) being configured to operate each light-emitting device 10 is positioned at the inside of body part 51.
The lighting apparatus 30 (30A, 30B) of the present embodiment described above comprises above-mentioned light-emitting device 10 and is configured to keep the apparatus body (20,50) of light-emitting device 10.
Therefore, it is possible to providing package is containing the lighting apparatus 30 of light-emitting device 10, described light-emitting device 10 can improve the insulating properties of the live part of installation base plate 2b and not increase the planar dimension of installation base plate 2b.

Claims (15)

1. a light-emitting device, comprising:
Installation base plate, described installation base plate has first surface and second surface on the thickness direction of described installation base plate, and described installation base plate contacts with radiating component at described first surface place, and light-emitting component is installed on described second surface;
Insulating component, described insulating component has electrical insulation capability, and is connected to the described second surface of described installation base plate and does not cover described light-emitting component; And
Pressing member, described pressing member is set to press described insulating component to be pressed towards described radiating component by described installation base plate.
2. light-emitting device according to claim 1, wherein:
Described light-emitting device also comprises described radiating component; And
Described pressing member is fixed in described radiating component, is maintained between described pressing member and described radiating component to make described insulating component and described installation base plate.
3. light-emitting device according to claim 2, wherein:
Described insulating component comprises cover part, and described cover part covers the described second surface of described installation base plate;
Described cover part comprises the openning that described light-emitting component is exposed; And
Described pressing member is formed to contact with the described cover part of described insulating component.
4. light-emitting device according to claim 3, wherein
Described pressing member comprises:
Body part, described body part is fixed in described radiating component;
Multiple pressing part, described multiple pressing part is positioned on the opposite side of described cover part on the predetermined direction intersected with described thickness direction, thus contacts with described cover part on described thickness direction; And
Multiple Extendible flake, described multiple pressing part is connected to described body part by described multiple Extendible flake respectively.
5. light-emitting device according to claim 4, wherein
Described multiple Extendible flake is the spring leaf of allowing described multiple pressing part and described insulating component Elastic Contact.
6. light-emitting device according to claim 5, wherein
Described pressing member is made up of resilient metal material, is integrally formed to make described body part, described multiple pressing part and described multiple Extendible flake.
7. light-emitting device according to claim 1, wherein
Described pressing member comprises at least one stop portions stopping that described insulating component moves up in the predetermined party of intersecting with described thickness direction.
8. light-emitting device according to claim 7, wherein
Multiple stop portions is positioned on the opposite side of described insulating component on described predetermined direction, thus contacts with described insulating component.
9. light-emitting device according to claim 8, wherein
Described insulating component comprises
Multiple wall portion, described multiple wall portion is positioned on the opposite side of described installation base plate on described predetermined direction; And
Multiple flange portion, described multiple flange portion is protruding respectively from described multiple wall portion along described predetermined direction; And
Described multiple stop portions is arranged such that described multiple stop portions contacts with described multiple wall portion respectively on described predetermined direction, and described multiple flange portion is between described radiating component and described multiple stop portions.
10. light-emitting device according to claim 9, wherein
Described radiating component comprises the recess receiving described multiple wall portion.
11. light-emitting devices according to claim 1, wherein
Described installation base plate comprises the live part by being connected to described light-emitting component on described second surface.
12. light-emitting devices according to claim 11, wherein
Described live part comprises the circuit in order to electric power to be supplied to described light-emitting component from external power source.
13. light-emitting devices according to claim 11, wherein
Described live part is positioned on the core of described second surface.
14. light-emitting devices according to claim 1, wherein
Described installation base plate is made up of ceramic substrate.
15. 1 kinds of lighting apparatus, comprising:
Light-emitting device according to claim 1; And
Be configured to the apparatus body keeping described light-emitting device.
CN201290001191.8U 2012-02-24 2012-11-19 The lighting apparatus of light-emitting device and this light-emitting device of use Expired - Fee Related CN204042478U (en)

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JP2012-038744 2012-02-24
JP2012038744A JP5879564B2 (en) 2012-02-24 2012-02-24 Light emitting device and lighting apparatus using the same
PCT/JP2012/079909 WO2013125112A1 (en) 2012-02-24 2012-11-19 Light-emitting device and lighting equipment using same

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