CN203273408U

CN203273408U - Light source for illumination

Info

Publication number: CN203273408U
Application number: CN2013202670155U
Authority: CN
Inventors: 吴佳莉
Original assignee: Matsushita Electric Industrial Co Ltd
Current assignee: Panasonic Holdings Corp
Priority date: 2013-05-16
Filing date: 2013-05-16
Publication date: 2013-11-06
Anticipated expiration: 2023-05-16

Abstract

The utility model relates to a light source for illumination. The light source comprises an LED module (10), a light guide part (20), a frame body (30) and a heat dissipating part (40). The light guide part (20) is arranged on the light ejection side of the LED module (10) and made of light-transmitting materials. The frame body (30) is formed in the mode of surrounding the LED module (10) and the light guide part (20) and made of the light-transmitting materials. The heat dissipating part (40) is arranged close to the LED module (10) and fixed on the frame body (30).

Description

Illumination light source

Technical field

The utility model relates to the illumination light source that has used light-emitting components such as light emitting diode (LED:Light Emitting Diode).

Background technology

The solid-state light emitting elements such as LED are small-sized owing to having, efficient and the life-span is long, therefore can wait in expectation and be used in the light source of various goods.Wherein, used in recent years the LED lamp of LED constantly to be developed.

The LED lamp (LED bulb) that the bulb-shaped of replace incandescent, lamp-bulb type fluorescent lamp or Halogen lamp LED is for example arranged as the LED lamp.For example, as the substitute of the Halogen lamp LED of the lighting devices such as spotlight that are used for commercial facility or dwelling house, the LED lamp of Halogen lamp LED type is disclosed in patent documentation 1.

The LED lamp of Halogen lamp LED type for example comprises: LED (LED module); The framework that is configured in the mode that surrounds LED; Light guide member carries out leaded light to the light that penetrates from LED, and emits to the outside of lamp; Lamp circuit makes LED luminous; And shell, be used for taking in lamp circuit, etc.

(prior art document)

(patent documentation)

Patent documentation 1: TOHKEMY 2007-317431 communique

LED produces heat because of luminous meeting at LED self, rises because these heat can make the temperature of LED, thereby causes luminous efficiency to reduce.Therefore, in the practical application of LED lamp, how improving thermal diffusivity is an important problem, has therefore implemented various heat radiation countermeasures at the LED lamp.For example, in the LED lamp of in the past Halogen lamp LED type, the framework with opening is made of metal.

Yet in the situation that make framework with metal, the light that radiates from LED only penetrates from the opening of framework, and can not penetrate from the side of framework.Therefore, the problem of illuminating effect fully can appear obtaining.

The utility model content

The utility model is in order to solve above-mentioned such problem, and purpose is to provide a kind of can either guarantee that thermal diffusivity can improve again the illumination light source of illumination performing effect.

In order to reach above-mentioned purpose, an embodiment of the illumination light source that the utility model is related possesses: light emitting module; Light guide member is configured in the light emitting side of described light emitting module, and is made of translucent material; Framework is configured with the state that surrounds described light emitting module and described light guide member, and is made of translucent material; And thermal component, be configured in described light emitting module near, and be fixed on described framework.

And, can be also that in an embodiment of the related illumination light source of the utility model, described light emitting module is loaded in described thermal component.

And, can be also that in an embodiment of the related illumination light source of the utility model, described thermal component has the plate-shaped member of described light emitting module for mounting.

And, can be also, in an embodiment of the related illumination light source of the utility model, described thermal component has: mounting has the tabular mounting portion of described light emitting module and the wall section that is arranged on the ring-type of described mounting portion with the state that surrounds described light emitting module; The height of the described light emitting module of aspect ratio of described wall section is low.

And, can be also, in an embodiment of the related illumination light source of the utility model, described thermal component has: mounting has the tabular mounting portion of described light emitting module and the wall section that is arranged on the ring-type of described mounting portion with the state that surrounds described light emitting module; Section is provided with through hole at described wall.

And, can be also, in an embodiment of the related illumination light source of the utility model, this illumination light source also has the second thermal component, this second thermal component in the form of a ring, with described thermal component be separated by regulation the interval and the light that is configured in described light emitting module penetrates on direction; Described the second thermal component is fixed on described framework.

And, can be also that in an embodiment of the related illumination light source of the utility model, described thermal component is embedded to the state of described framework and is fixed on described framework with the part of self.

And, can be also that in an embodiment of the related illumination light source of the utility model, the described mounting portion of mounting portion that described framework has the described light emitting module of mounting is arranged between described thermal component and described light emitting module.

And, can be also that in an embodiment of the related illumination light source of the utility model, described thermal component is made of metal or pottery.

And, can be also that in an embodiment of the related illumination light source of the utility model, described thermal component is lamellar, by described light emitting module and described framework clamping.

And, can be also that in an embodiment of the related illumination light source of the utility model, described thermal component is heat conduction graphite thin plate, heat conduction silicon thin plate or sheet metal.

And, can be also, in an embodiment of the related illumination light source of the utility model, described framework has: the bottom, the inboard surrounding wall portion that is formed with the state that surrounds described bottom of the described light emitting module of supporting and outer perimeter wall section, this outer perimeter wall section is with the state of the sidepiece that surrounds described inboard surrounding wall portion, to be formed at a distance of the interval of regulation with described inboard surrounding wall portion.

And, can be also, in an embodiment of the related illumination light source of the utility model, described framework also has a plurality of wall parts, and these a plurality of wall parts are divided into the area of space between described inboard surrounding wall portion and described outer perimeter wall section a plurality of.

And, can be also, in an embodiment of the related illumination light source of the utility model, each of described a plurality of area of space is constituted as, and extraneous air can pass from a side opening the opposing party's opening.

And, can be also in an embodiment of the related illumination light source of the utility model, to be provided with small concavo-convex at least one party's of described inboard surrounding wall portion and described outer perimeter wall section surface.

And, can be also that in an embodiment of the related illumination light source of the utility model, described framework only has space cylindraceous, with the inner space as this framework.

And, can be also that in an embodiment of the related illumination light source of the utility model, described framework is made of transparent resin or light transparent ceramic.

And, can be also that in an embodiment of the related illumination light source of the utility model, described light guide member carries out leaded light to the light that penetrates from described light emitting module, and emits to the outside of this illumination light source.

And, can be also that in an embodiment of the related illumination light source of the utility model, this illumination light source is the light source with Halogen lamp LED type of speculum.

By the utility model, not only can guarantee thermal diffusivity and can improve illuminating effect.

Description of drawings

Fig. 1 is the outward appearance perspective view of the related LED lamp of embodiment 1 of the present utility model.

Fig. 2 is the decomposition diagram of the related LED lamp of embodiment 1 of the present utility model.

Fig. 3 is the profile of the related LED lamp of embodiment 1 of the present utility model.

Fig. 4 is the figure be used to the effect that the LED lamp that embodiment 1 of the present utility model is related is described.

Fig. 5 is the profile of the related LED lamp of embodiment 2 of the present utility model.

Fig. 6 is the profile of the related LED lamp of embodiment 3 of the present utility model.

Fig. 7 is the profile of the related LED lamp of embodiment 4 of the present utility model.

Fig. 8 is the profile of the related LED lamp of embodiment 5 of the present utility model.

Fig. 9 is the profile of the related LED lamp of embodiment 6 of the present utility model.

Figure 10 is the profile of the related LED lamp of variation of the present utility model.

Description of reference numerals:

1,2,3,4,5,6 LED lamps; 10 LED modules; 11 base plates; 12 LED elements; 20 light guide members; 21 lens sections; 22 front faces; 23 post sections; 30,30A framework; 31 bottoms; 32 inboard surrounding wall portion; 33 outer perimeter wall sections; 33a, 51a, 42Aa through hole; 34 wall parts; The 34a opening; 40,40A, 40B, 40C thermal component; 41 mounting portions; 42,42A wall section; 43 second thermal components; 50 shells; 51 first housing departments; 52 second housing sections; 60 supporters; 70a, the 70b pin of powering; 80 screws.

The specific embodiment

Below, with reference to accompanying drawing, embodiment of the present utility model is described.And, below illustrated embodiment be a preferred object lesson of the present utility model.Therefore, the allocation position of the numerical value shown in following embodiment, shape, material, inscape, inscape and connected mode etc. are only an example, and purport of the present utility model is not limit by these.And, there is no the inscape of record among the inscape in following embodiment, independent claims that upper concept of the present utility model is shown, can illustrate as inscape arbitrarily.

And each figure is ideograph, is not rigorous diagram.And, in each figure, give identical symbol for identical in fact formation, and omit repeat specification.And in the following embodiments, an example as illumination light source describes the LED lamp.

(embodiment 1)

At first, utilize Fig. 1 and Fig. 2 that all formations of the related LED lamp 1 of embodiment 1 are described.Fig. 1 is the outward appearance perspective view of the related LED lamp of embodiment 1 of the present utility model.Fig. 2 is the decomposition diagram of this LED lamp.

As Fig. 1 and shown in Figure 2, the related LED lamp 1 of present embodiment is the LED lamp (LED bulb) of the Halogen lamp LED type with speculum that becomes the substitute of the Halogen lamp LED with speculum, comprising: LED module 10, light guide member 20, framework 30, thermal component 40, shell 50, supporter 60 and power circuit (not shown).

Below, with reference to Fig. 2 and utilize Fig. 3 that each component parts of LED lamp 1 and connected mode etc. are elaborated.Fig. 3 is the profile of the related LED lamp of embodiment of the present utility model.

[LED module]

LED module (illuminating part) the 10th has the light emitting module of light-emitting component, radiates the light of white isotactic fixation color (wavelength).LED module (illuminating part) 10 comes luminous by the electric power of supplying with from the drive circuit that is incorporated in shell 50.

As Fig. 2 and shown in Figure 3, LED module 10 comprises: base plate 11, be installed in a plurality of LED elements 12 of base plate 11.In the present embodiment as shown in Figure 2, adopt three LED elements 12.

Base plate 11 is for the LED installation base plate that LED element 12 is installed.Base plate 11 such as be the ceramic substrate that consisted of by potteries such as aluminium oxide, resin substrate that resin consists of or have an insulation-coated metal material substrate etc. as main take metal, can adopt plan view shape is slightly circular tabular substrate.Base plate 11 preferably is made of the high material of pyroconductivity.

And, have the metal line be electrically connected to a plurality of LED elements 12 by pattern being used for of forming on the surface of base plate 11.

Base plate 11 is loaded in thermal component 40 in the mode that the surface of the back side and thermal component 40 fits.And, although do not illustrate, be formed with the pair of electrodes terminal (power supply terminal) that is connected with metal line at base plate 11.The pair of electrodes terminal is electrically connected to power circuit by pair of lead wires etc., accepts to supply to the direct current of LED element 12.

LED element 12 be packed SMD (Surface Mount Device: surface mount) type LED element for example possesses: have recess container, be installed in the LED chip among recess and be sealed to seal member in recess.

LED chip 12a is by the next luminous semiconductor light-emitting elements of the electric power of regulation, is the bare chip that sends monochromatic visible light.Adopt in the present embodiment in the situation that the blue led chip of switching on and sending blue light.The blue led chip is for example to form the semiconductor layer that the material by InGaN system consists of to consist of on sapphire substrate, and can adopt centre wavelength is the gallium nitride based semiconductor light-emitting elements of 440nm to 470nm.

Seal member for example is made of resin, is formed with the state of sealing LED chip.It is spherical or dome-shaped that seal member for example is formed semicircle with the state that covers LED chip.And, overflow from container in order not make seal member, be plane thereby seal member can be formed the surface.

Seal member mainly is made of translucent material, in the situation that the light wavelength of LED chip need to be transformed to provision wavelengths, wavelength shifter is blended into translucent material.Seal member in the present embodiment comprises the fluorophor as wavelength shifter, and the sealing parts are wavelength conversion parts that the light wavelength (color) that LED chip sends is carried out conversion.As such seal member, for example can be consisted of by the resin material (containing the fluorophor resin) of the insulating properties that contains fluorophor particle.The light stimulus that fluorophor particle is sent by LED chip, thus radiate the light of needed color (wavelength).

Translucent resin material as consisting of seal member for example can adopt silicones.And, as fluorophor particle contained in seal member, for example in the situation that LED chip is the blue led chip, in order to obtain white light, for example can adopt the yellow fluorophor particle of YAG system.Like this, the part of the blue light that LED chip sends, the yellow fluorophor particle contained by seal member is sodium yellow by wavelength conversion.And the blue light that is not absorbed by the yellow fluorophor particle mixes mutually with the sodium yellow by yellow fluorophor particle wavelength conversion, thereby radiates white light from seal member.

LED module 10 with above this formation is configured between light guide member 20 and thermal component 40.LED module 10 is by light guide member 20 and thermal component 40 clampings.

And, as the formation of the LED element 12 of SMD type, be not limit by above-mentioned formation.And, in the present embodiment, although LED module 10 has adopted the SMD structure, be not to be limited by this.For example, also can adopt as LED module 10 COB (the Chip On Board: the chip on board) LED module of structure that directly a plurality of LED chips of installation (bare chip) consist of on base plate 11.In this case, a plurality of LED chips are sealed together by seal member (containing the fluorophor resin).

[light guide member]

Light guide member 20 is the light that penetrates from LED module 10 to be carried out the parts of leaded light.The light of 20 pairs of LED modules 10 of light guide member in the present embodiment carries out leaded light, thereby emits to the outside of lamp.

Light guide member 20 is configured in the light emitting side of LED module 10, is made of translucent material.As translucent material, for example can adopt translucent resin material or glass material, by translucent material is shaped into the regulation shape, thereby make light guide member 20.

As Fig. 2 and shown in Figure 3, the light guide member 20 in present embodiment possesses: lens section 21, the post section 23 that is connected to the front face 22 of lens section 21 and is connected to front face 22.

Lens section 21 constitute can with from the photoconduction of LED element 12 to front face 22.Particularly, lens section 21 is constituted as, and when the light of incident arrives interface (outside of lens section 21) with outside (air layer), makes light in the shape of this interface to the internal reflection of lens section 21.That is, the outside of lens section 21 becomes reflecting surface.But, not all to be reflected in case incide the light of lens section 21, the part conduct of inciding the light of lens section 21 spills the outside that light is radiated into lens section 21.In addition, be provided with to surround LED element 12 and the cave cylindraceous section that is configured at lens section 21.

Lens section 21 is formed in the mode corresponding with the number of LED element 12.In the present embodiment, being provided with accordingly three lens sections 21 with each of three LED elements 12 respectively, but, can be also that a lens section 21 is corresponding to a plurality of LED elements 12.

Front face 22 is the planar portions that consist of with the interfacial plane of the outside of lamp, will emit to from the light of three lens sections 21 outside of lamp.That is, front face 22 is to make light emit to the light radioactive department of the outside of lamp, and the surface is the light emitting surface.And in the present embodiment, the plan view shape of front face 22 is circular.

Post section 23 is locating dowels that the position to lens section 21 and LED element 12 positions, and prevents the position skew of lens section 21 and LED element 12.

Light guide member 20 with this formation, incide the light of lens section 21 from LED module 10 (LED element 12), when the outside of lens section 21 (with the interface of outside) carries out reflecting to inner face repeatedly, and advance to front face 22, most light injects to the outside of lamp from front face 22, remaining light injects to the inside of lamp from lens section 21 or post section 23 as light leak.

[framework]

As shown in Figure 3, framework 30 is in the mode of the sidepiece that surrounds LED module 10 and light guide member 20 and be configured.Framework 30 is connected by heat with LED module 10 via thermal component 40.

Framework 30 is the peripheral components that become the periphery of LED lamp 1, and the outside is exposed on extraneous air.Like this, because framework 30 can be brought into play function as radiator, therefore, can via thermal component 40, the heat that is transmitted to the LED module 10 of framework 30 be rejected heat to the outside of lamp.

As Fig. 2 and shown in Figure 3, the framework 30 in present embodiment possesses: bottom 31, inboard surrounding wall portion 32, outer perimeter wall section 33 and wall part 34.

Bottom 31 supporting thermal component 40 and LED modules 10.Particularly, LED module 10 is supported by thermal component 40 in bottom 31, and the surface of bottom 31 contacts with the back side of the mounting portion 41 of thermal component 40.Like this, the major part of heat that is transmitted to the LED module 10 of thermal component 40 can both be directly transferred to bottom 31.

In addition, bottom 31 for example can constitute circular tabular.And 31 are equipped with the through hole that is communicated with for the through hole with the mounting portion 41 that is formed on thermal component 40 in the bottom.For example, 31 be provided be used to the through hole that screw 80 (with reference to Fig. 2) is passed in the bottom.

Inboard surrounding wall portion 32 is constituted as tubular, is connected in this bottom 31 in the mode that surrounds bottom 31.LED module 10 and light guide member 20 are surrounded by inboard surrounding wall portion 32.Inboard surrounding wall portion 32 in present embodiment is for slightly cylindric, and circular tabular bottom 31 is formed on the stage casing part of inboard surrounding wall portion 32.

And the outside of the wall section 42 of thermal component 40 contacts with the inner face of inboard surrounding wall portion 32.Like this, the part of heat that is transmitted to the LED module 10 of thermal component 40 also is directly transferred to inboard surrounding wall portion 32.

And, be formed with the section of screwing up (threaded portion) at the peristome of the light emitting side (the place ahead) of inboard surrounding wall portion 32, screw up with supporter 60.And shell 50 is fixed on the peristome of the shell side (rear) of inboard surrounding wall portion 32.

Outer perimeter wall section 33 consists of the periphery of LED lamp 1, and the outside is exposed to the outside of lamp.Outer perimeter wall section 33 is constituted as slightly cup-shaped (bowl-shape), is connected in this inboard surrounding wall portion 32 in the mode of the sidepiece that surrounds inboard surrounding wall portion 32.Outer perimeter wall section 33 and inboard surrounding wall portion 32 be separated by regulation the interval and be configured, be provided with area of space (hollow sectors) between the inner face of the outside of inboard surrounding wall portion 32 and outer perimeter wall section 33.

And the bottom of outer perimeter wall section 33 is connected with the peristome of the light emitting side of inboard surrounding wall portion 32, and top is connected via the peristome of wall part 34 with the shell side of inboard surrounding wall portion 32.

Wall part 34 is to be constituted as tabular dividing plate, separates the area of space between inboard surrounding wall portion 32 and outer perimeter wall section 33.Wall part 34 is provided with a plurality ofly with radial, is erected between inboard surrounding wall portion 32 and outer perimeter wall section 33.Like this, the area of space between inboard surrounding wall portion 32 and outer perimeter wall section 33 forms a plurality of opening 34a at the light emitting side of framework 30 when being divided into a plurality of area of space.

And in the present embodiment, wall part 34 is set up 15.Accordingly, the area of space between inboard surrounding wall portion 32 and outer perimeter wall section 33 is divided into 15, and forms 15 opening 34a.

Be configured like this framework 30, be transmitted to the heat of bottom 31 and the LED module 10 of inboard surrounding wall portion 32 by thermal component 40, be transmitted to the inside of framework 30, and rejecting heat to extraneous air from outer perimeter wall section 33.

And framework 30 is shaped to one by translucent materials such as glass material, ceramic material or translucent resin materials.That is, framework 30 is made of translucent resins such as clear glass, light transparent ceramic or transparent resins, and bottom 31, inboard surrounding wall portion 32, outer perimeter wall section 33 and wall part 34 consist of by these translucent materials.Like this, incide light transmission framework 30 inside of framework 30 by leaded light, and emit to the outside.

In the present embodiment, because the inner peripheral surface of the inboard surrounding wall portion 32 of framework 30 directly regards to the lens section 21 of light guide member 20 or the outside of post section 23, therefore can make the light that spills from lens section 21 or post section 23 incide inboard surrounding wall portion 32.

And, incide the light leak of inboard surrounding wall portion 32, inject to the outside of lamp from opening 34a by the area of space that is separated by wall part 34, and inject to the outside of lamp from frameworks 30 such as wall part 34 or outer perimeter wall sections 33.Like this, the light leak of light guide member 20 can all emit to the outside of lamp fully from framework 30.That is, light leak can radiate out from the side surrounding wall portion of LED lamp 1.

In the present embodiment, be formed with a plurality of through holes (opening) 33a on the Zhou Fangxiang below outside surrounding wall portion 33.Through hole 33a is connected with the area of space that is separated by wall part 34.Accordingly, can utilize through hole 33a, the light leak of light guide member 20 be emitted to fully the outside of lamp.

And inboard surrounding wall portion 32 is connected with extraneous air with area of space between outer perimeter wall section 33, has the function of radiating part.Accordingly, be transmitted to that the heat energy of LED module 10 (LED element 12) of inboard surrounding wall portion 32 is enough to be dispelled the heat respond wellly.

And the constituting of each area of space that is separated by wall part 34 is connected opening with through hole with opening 34a) 33a is connected, and extraneous gas (air) can pass through to the opposing party from the side of opening 34a and through hole 33a.Therefore, be transmitted to the enough further heat radiation efficiently of heat energy of the LED module 10 (LED element 12) of inboard surrounding wall portion 32.

Like this, framework 30 in present embodiment is owing to adopting translucent material to consist of, therefore, and when light is all radiated from framework, owing to being provided with the area of space (inner space) that is connected with extraneous air, from and can bring into play function as the high radiator of heat dispersion.

And, preferably arrange small concavo-convex at least one party's of inboard surrounding wall portion 32 and outer perimeter wall section 33 surface (exposing face).For example, can form a plurality of tangent planes by the surface in inboard surrounding wall portion 32 and outer perimeter wall section 33, arrange small concavo-convex.So small concavo-convex by arranging, improve the flickering of framework 30 itself, thereby improve the spatial performance effect.

In addition, the maximum diameter of framework 30 (outer perimeter wall section 33) is for example 50mm or 120mm, but is not to be limited by this.

[thermal component]

Thermal component 40 is be used to the radiator that the heat that produces at LED module 10 (LED element 12) is dispelled the heat, be configured in LED module 10 near.And thermal component 40 contacts and is fixed with framework 30, thereby the heat that produces at LED module 10 is conducted to framework 30.

Thermal component 40 can be made of the high thermal conductivity material that ceramic materials such as the metal materials such as aluminium or aluminium oxide etc. consist of.For example, can adopt as thermal component 40 whiteware that is consisted of by aluminium oxide (Al2O3) and silica (SiO2).

And, as thermal component 40 also can adopt with can penetrate into opposite one side, can be take visual (for example total transmissivity rate as more than 90%) light transparent ceramic of feeling that the optical transmission rate is high.In this case, can adopt the light transparent ceramic that is consisted of by polycrystal alumina or aluminium nitride.And, as long as have required pyroconductivity, also can adopt the transparent materials such as glass or transparent resin as thermal component 40.

And as shown in Figure 3, thermal component 40 is the module boards for supporting LED module 10, and the base plate 11 of LED module 10 is arranged in thermal component 40 mountings.And thermal component 40 is loaded the bottom 31 in framework 30.

Thermal component 40 contacts with LED module 10 and framework 30 with by the state of bottom 31 clampings of the base plate 11 of LED module 10 and framework 30 and be configured.Accordingly, the heat energy that produces at LED module 10 enough is transmitted to framework 30 well via thermal component 40 efficient.

Thermal component 40 in present embodiment is constituted as the slim round-ended cylinder shape (plate shape) that has, and has: the wall section (surrounding wall portion) 42 that is cylinder ring-type (ring-type) that mounting has the discoideus mounting portion (bottom) 41 of LED module 10 and is arranged on the edge of mounting portion 41 with the state that surrounds LED module 10.

The wall section 42 of thermal component 40 is constituted as, and the height of aspect ratio LED module 10 (LED element 12) (height of the interarea vertical direction of base plate 11) is low, and is almost identical with the lower end of light guide member 20 (lens section 21).Like this, can alleviate the phenomenon of being blocked by wall section 42 from the light leak of lens section 21 and post section 23, thereby can make more light leak incide the inboard surrounding wall portion 32 of framework 30.

And, be formed with a plurality of through holes in the mounting portion 41 of thermal component 40.A plurality of through holes comprise: the through hole that is used for making the through hole that screw 80 (with reference to Fig. 2) passes and is used for making the post section 23 of light guide member 20 to insert.In addition, also can through hole be set at thermal component 40, and only through hole or incised notch part be set on the base plate 11 of LED module 10.By on thermal component 40, through hole not being set, thereby can than obtaining the area of dissipation of larger thermal component 40 in the situation that through hole is set, therefore can improve pyroconductivity and radiating effect.

And two screws 80 are used in fixing as shown in Figure 2 of thermal component 40, framework 30 and shell 50.Particularly, thermal component 40 is loaded in the state of the bottom 31 of framework 30, make screw 80 pass the through hole of thermal component 40 and the through hole of bottom 31, be screwed into the screw cave section of shell 50 by making screw 80, thereby thermal component 40, framework 30 and shell 50 are fixed.In addition, also can on the base plate 11 of LED module 10, through hole be set, thermal component 40, framework 30 and shell 50 is fixing together with LED module 10.

And in the present embodiment, thermal component (heat-conduction component) the 40th so that wall section 42 to be set in mounting portion 41 and be constituted as concavity (plate shape), but also can not arrange wall section 42, and only constitute plate-shaped member with mounting portion 41.For example, can adopt metal plate or earthenware slab as thermal component 40.

[shell]

Shell 50 is be used to the circuit case of taking in power circuit (circuit unit).Power circuit is maintained at shell 50.Power circuit is made of the circuit substrate that is formed with metal line and a plurality of electronic components of being installed on circuit substrate, generates to be used for making the luminous electric power of LED module 10 (LED element 12).

Shell 50 is such as being formed by insulating materials such as resin or potteries.And shell 50 also can be formed by light-proofness materials such as white materials, also can be formed by translucent material.And shell 50 also can be formed by metal material.In this case, in order to ensure the insulating properties between power circuit and metal shell 50, preferably in the interior filling dielectric resin material of shell 50, perhaps further configure insulation crust in the inboard of shell 50.

Shell 50 in present embodiment is made of the second housing section 52 of the first housing department 51 that is connected in framework 30 and box-shaped.Be provided with at the first housing department 51 two screw cave sections that two screws 80 are screwed into use.Be provided with a pair of

power supply pin

70a and 70b in second housing section 52.

A pair of

power supply pin

70a and 70b are electrically connected to the input part of power circuit, accept to be used for making the luminous electric power of LED module 10 from the outside of LED lamp 1.Power circuit for example will be transformed to be used to the direct current that makes 12 energisings of LED element from the alternating current of a pair of

power supply pin

70a and 70b supply.The direct current that is generated by power circuit is fed into LED module 10 via lead-in wire etc.

And, be formed with a plurality of through hole 51a at the first housing department 51 of shell 50.Accordingly, the light that enters in shell 50 can emit to the outside from the first housing department 51.And, utilize through hole 51a, can will be transmitted to the heat of the LED module 10 in shell 50 or reject heat to the outside of lamp in the heat that power circuit produces.

And, in the present embodiment, although adopted the insert type lamp holder that can insert a pair of

power supply pin

70a and 70b at the lamp socket of ligthing paraphernalia, but, also can adopt according to the lamp socket of ligthing paraphernalia the lamp holder of other formation.For example, can be also to accept the lamp holder of the screw-type of alternating current by two contacts.

[supporter]

Light guide member 20 is fixed in the mode that is pressed against the bottom 31 of framework 30 by thermal component 40.This is pressed by supporter 60 and realizes.That is, supporter 60 is for the holding member that keeps light guide member 20.

Supporter 60 is for example the endless member that is made of resin, is embedded in the side surrounding wall portion of the front face 22 of light guide member 20.Like this, light guide member 20 is fixed on supporter 60.

And, be formed with the section of screwing up (threaded portion) at supporter 60.Screw up the section that screws up of the inboard surrounding wall portion 32 of framework 30 by the section of screwing up with supporter 60, thereby supporter 60 can be installed to framework 30.That is, by supporter 60 being fastened on the inboard surrounding wall portion 32 of framework 30, thereby light guide member 20, LED module 10 and thermal component 40 can be by bottom 31 clampings of supporter 60, framework 30.

[action effect]

Then, utilize Fig. 4 that the action effect of LED lamp 1 is described.Fig. 4 is the figure be used to the action effect that the LED lamp that embodiment of the present utility model is related is described.

As shown in Figure 4, from the light that LED module 10 (LED element 12) penetrates, incide the lens section 21 of light guide member 20.The light that incides lens section 21 is directed in lens section 21, and most light transmission front face 22 is emitted to the outside of lamp towards the place ahead as key lighting light.

And, inciding the part of the light of lens section 21, the light leak as spilling from light guide member 20 (lens section 21 or post section 23) penetrates to framework 30 (inboard surrounding wall portion 32).In the present embodiment, framework 30 is owing to being made of translucent material, and the light leak that therefore penetrates from light guide member 20 incides inboard surrounding wall portion 32.

the light that incides inboard surrounding wall portion 32 is directed to wall part 34, inject to the outside of lamp from the top of wall part 34, and can be also from leaded lights such as wall parts 34 to outer perimeter wall section 33, inject to the outside of lamp from outer perimeter wall section 33, and can be also to penetrate from inboard surrounding wall portion 32, via the area of space between inboard surrounding wall portion 32 and outer perimeter wall section 33, inject to the outside of lamp from opening 34a or through hole 33a, and can be also again to incide the frameworks 30 such as outer perimeter wall section 33 from this area of space, injected at the outside of lamp after the outer perimeter wall section 33 by leaded light.

Like this, in the present embodiment, owing to being consisted of by translucent material to surround the framework 30 that light guide member 20 is configured, therefore can make light leak from light guide member 20 see through framework 30 and inject to the outside of lamp.That is, the light leak from light guide member 20 can penetrate from the side surrounding wall portion of framework 30.

Result is at LED lamp 1, key lighting light the place ahead from front face 22 radiation of light guide member 20 to lamp, and as the light leak of the floor light light side from the side surrounding wall portion of framework 30 (outer perimeter wall section 33) radiation to lamp.Accordingly, light can from all radiation of LED lamp 1 out, therefore can be realized the LED lamp of good illuminating effect.

And, by present embodiment, the thermal component 40 that is fixed on framework 30 be configured in LED module 10 near.Accordingly, the heat energy that produces at LED module 10 enough is transmitted to framework 30 expeditiously by thermal component 40.

In sum, the LED lamp 1 related according to present embodiment can either guarantee that thermal diffusivity can improve illuminating effect again.

And, in the present embodiment, as previously discussed, the interval that framework 30 has to stipulate and inboard surrounding wall portion 32 and the outer perimeter wall section 33 of the configuration that is spaced are provided be used to the area of space that extraneous air and light can be passed through between inboard surrounding wall portion 32 and outer perimeter wall section 33.Accordingly, can take full advantage of the area of space that is connected with the outside of lamp, the light leak that incides the light guide member 20 of framework 30 be emitted to the outside of lamp.

And LED module 10 and thermal component 40 are surrounded by inboard surrounding wall portion 32.Accordingly, can utilize the area of space that is connected with the outside of lamp, the heat of the LED module 10 (LED element 12) that is transmitted to inboard surrounding wall portion 32 be dispelled the heat respond wellly.

Like this, by utilizing the area of space be connected with the outside of lamp, thereby can realize thermal diffusivity and the good LED lamp of illuminating effect.

(embodiment 2)

Then, utilize Fig. 5 that the related LED lamp 2 of embodiment 2 is described.Fig. 5 is the profile of the related LED lamp of embodiment 2 of the present utility model.

The difference of the LED lamp 1 that the LED lamp 2 that present embodiment is related and embodiment 1 are related is the formation of thermal component.

Thermal component 40A in present embodiment is identical with embodiment 1, although be to be consisted of by the wall 42A of section of cylinder ring-type (ring-type) that mounting has the discoideus mounting portion 41 of LED module 10 and is arranged on the edge of mounting portion 41 in the mode that surrounds LED module 10, but, in the present embodiment as shown in Figure 5, except the height height of the aspect ratio wall section 42 of the wall 42A of section, also be provided with a plurality of through holes (window section) 42Aa at the wall 42A of section.

The 42A of wall section is with the state of the lens section 21 that surrounds light guide member 20 and post section 23 and be configured, and the height of the aspect ratio LED module 10 of the wall 42A of section is high.And through hole 42Aa is along the Zhou Fangxiang of the wall 42A of section and be set up.

And the shape of each through hole 42Aa can be shown in Figure 5 rectangular-shaped, can be also other the shape such as toroidal, elongated gap shape.And the arrangement of a plurality of through hole 42Aa is not to be subject to row, can be arranged as multiple row yet, or optionally arranges.

In sum, by the related LED lamp 2 of present embodiment, because the wall 42A of section of thermal component 40A increases, therefore improved thermal diffusivity than embodiment 1.

And, even the wall 42A of section is increased, owing to being provided with a plurality of through hole 42Aa at the wall 42A of section, therefore can make light leak from light guide member 20 (lens section 21 and post section 23) by a plurality of through hole 42Aa, incide framework 30 (inboard surrounding wall portion 32).

That is, in the situation that the thermal component 40A with high wall 42A of section is made of metal material (non-light transmittance material), from the light leak of framework 30 (lens section 21 and post section 23) by the metal partial occlusion.And in the situation that thermal component 40A is made of pottery, although how many potteries has some light transmissions, only the light transmission of some is ceramic, and the dispersion effect of pottery is stronger, and the brightness that therefore looks lower.

But, as shown in present embodiment, by a plurality of through hole 42Aa are set, can and pass the wall 42A of section by through hole 42Aa from the light leak of framework 30 (lens section 21 and post section 23), thereby incide framework 30 (inboard surrounding wall portion 32).

Accordingly, same with embodiment 1, owing to can seeing through the outside that framework 30 inject to lamp, therefore can access high illuminating effect from the light leak of light guide member 20.Therefore, can realize the LED lamp that thermal diffusivity and illuminating effect are good.

(embodiment 3)

Then, utilize Fig. 6 that the related LED lamp 3 of embodiment 3 is described.Fig. 6 is the profile of the related LED lamp of embodiment 3 of the present utility model.

The difference of the LED lamp 1 that the LED lamp 3 that present embodiment is related and embodiment 1 are related is the connected mode of thermal component 40 and framework 30.That is, in the present embodiment, thermal component 40 and framework 30 are by one-body molded.

Particularly, as shown in Figure 6, the wall section 42 of thermal component 40 is embedded to the inboard surrounding wall portion 32 of framework 30.For example, insert moulding by utilization, thereby can make thermal component 40 and framework 30 be shaped to one.

In sum, even in the LED of present embodiment lamp 1, also can access the effect same with embodiment 1.That is, can either guarantee that thermal diffusivity can improve illuminating effect again.And present embodiment also can be applicable to other embodiment.

(embodiment 4)

Then, utilize Fig. 7 that the related LED lamp 4 of embodiment 4 is described.Fig. 7 is the profile of the related LED lamp of embodiment 4 of the present utility model.

The LED lamp 4 LED lamp 3 related with respect to embodiment 3 that present embodiment is related, further possesses the second thermal component 43, this second thermal component 43 is the cylinder ring-type, to penetrate direction with thermal component (the first thermal component) 40 light that the state at interval of regulation is configured in LED module 10 of being separated by.By such formation, can penetrate on direction at the light of LED module 10, the gap (window section) of ring-type is set between thermal component 40 and the second thermal component 43.

The second thermal component 43 is fixed on the inboard surrounding wall portion 32 of framework 30 with the state of the lens section 21 that surrounds light guide member 20.In the present embodiment, the second thermal component 43 is one-body molded with framework 30 by inserting moulding etc.

And the second thermal component 43 can adopt the material identical with thermal component 40 to consist of, and can consist of with the high thermal conductivity material of the formations such as ceramic material such as the metal materials such as aluminium or aluminium oxide.In this case, the second thermal component 43 and thermal component 40 can be that identical material can be also different material.

In sum, by the related LED lamp 4 of present embodiment, owing to also being provided with the second thermal component 43 except thermal component 40, therefore can more can improve thermal diffusivity than embodiment 1.

And, even the second thermal component 43 is light-blocking member, owing to being provided with the gap of ring-type between thermal component 40 and the second thermal component 43, therefore, can incide framework 30 (inboard surrounding wall portion 32) by the gap of this ring-type from the light leak of lens section 21 and post section 23.Accordingly, identical with embodiment 1, thus can make the light leak from light guide member 20 inject to the outside of lamp through framework 30, thus high illuminating effect obtained.Therefore, can realize all good LED lamps of thermal diffusivity and illuminating effect.

And, in the present embodiment, although being embedded to the mode of framework 30, the part of thermal component 40 and the second thermal component 43 is formed, but, can be also not imbed thermal component 40 and the second thermal component 43, and be fixed on framework 30.In this case, such as the inner face that passes through the applying adhesives such as silicones are arrived the inboard surrounding wall portion 32 of framework 30, thereby the second thermal component 43 can be fixed on framework 30.

(embodiment 5)

Then, utilize Fig. 8 that the related LED lamp 5 of embodiment 5 is described.Fig. 8 is the profile of the related LED lamp of embodiment 5 of the present utility model.

The difference of the LED lamp 1 that the LED lamp 5 that present embodiment is related and embodiment 1 are related is the configuration of thermal component.Thermal component 40B in present embodiment is arranged on shell 50 1 sides of the bottom 31 of framework 30.And LED module 10 is loaded the bottom 31 in framework 30.That is, in the present embodiment, the bottom 31 of framework 30 be for the mounting LED module 10 mounting portion, be configured in thermal component 40B and LED module 10 between.

And thermal component 40B is fixed on framework 30 in the mode that contacts with following (with the face of the opposite side of face of mounting LED module 10) of the bottom (mounting portion) 31 of framework 30.

As the material of thermal component 40B, can adopt the material identical with thermal component 40 in embodiment 1.For example, can adopt ceramic materials such as the metal materials such as aluminium or aluminium oxide etc.

And, in the present embodiment, although thermal component 40B adopt be in the middle of the plate object of solid construction, but, also can adopt the ring that joins with inboard surrounding wall portion 32.

In sum, by the related LED lamp 5 of present embodiment, although LED module 10 does not contact with thermal component 40B, LED module 10 is separated by the bottom 31 of framework 30 with thermal component 40B, is configured in the mode that clips this bottom 31.That is, LED module 10 be configured in thermal component 40B near.

Accordingly, even in the LED of present embodiment lamp 5, also can access the effect identical with embodiment 1.That is, can either guarantee that thermal diffusivity can improve illuminating effect again.

(embodiment 6)

Then, utilize Fig. 9 that the related LED lamp 6 of embodiment 6 is described.Fig. 9 is the profile of the related LED lamp of embodiment 6 of the present utility model.

The difference of the LED lamp 1 that the LED lamp 6 that present embodiment is related and embodiment 1 are related is the formation of thermal component.

Thermal component 40C and embodiment 1 in present embodiment are same, being loaded in the bottom 31 of framework 30, also are configured between LED module 10 and bottom 31, are constituted as in the present embodiment lamellar.

Thermal component 40C is for example hot thin conductive plate, can be made of the high thermal conductivity material that graphite, silicon or metal etc. consist of.Particularly, thermal component 40C is heat conduction graphite thin plate (heat conduction graphite film), heat conduction silicon thin plate (heat conduction silicon thin film) or sheet metal (metallic film).Thermal component 40C is by bottom 31 clampings of LED module 10 and framework 30.

In sum, even in LED lamp 1 in the present embodiment, also can access the effect same with embodiment 1.That is, can either guarantee that thermal diffusivity can improve illuminating effect again.

And, in the present embodiment, because thermal component 40C is constituted as thin lamellarly, therefore, be easy to realize the LED lamp of miniaturization.

(other variation etc.)

Abovely based on embodiment, the related illumination light source of the utility model is illustrated, the utility model is not limit by these embodiments.

For example, in the above-described embodiment, though be to be provided with through hole 33a and opening 34a in framework 30, also can as shown in figure 10, adopt the framework 30A of the shape that does not have through hole 33a and opening 34a.Framework 30A shown in Figure 10 does not form the zone, inner space between inboard surrounding wall portion 32 and outer perimeter wall section 33, and employing is the formation of filling up translucent material in area of space between the inboard surrounding wall portion 32 of above-mentioned framework 30 and outer perimeter wall section 33.In this case, framework 30A is bowl-shape framework, only has as the inner space, is used for the space cylindraceous of configuration LED module 10, light guide member 20 and thermal component 40.

And in the above-described embodiment, the formation of LED module 10 is emitted white light by blue led chip and yellow fluorophor, but is not to be limited by this.For example in order to improve color rendering except adding yellow fluorophor, can also sneak into red-emitting phosphors or green-emitting phosphor.And, also can not use yellow fluorophor, but adopt contain red-emitting phosphors or green-emitting phosphor contain the fluorophor resin, thereby by emitting white light with the blue led chip portfolio.

And in the above-described embodiment, LED chip also can adopt the LED chip that sends blue light light in addition.For example, in the situation that the LED chip of ultraviolet is sent in use, as fluorophor particle, can make up utilization to the versicolor fluorophor particle that sends three primary colors (red, green, blueness) light.And, also can use fluorophor particle wavelength shifter in addition, as wavelength shifter, contain semiconductor, metal complex, organic dyestuff, pigment etc. and can absorb the light of certain wavelength such as adopting, and send the material of the material of the light different from the light wavelength that absorbs.

And, in the above-described embodiment, electroluminescent) and other the solid-state light emitting element such as the EL element such as inorganic EL although show for example LED as light-emitting component, but also can adopt other semiconductor light-emitting elements or organic EL (Electro Luminescence: such as semiconductor laser.

And, in the above-described embodiment, emit white light although LED module 10 is constituted as, but be not to be limited by this.For example, LED module 10 also can adopt the formation of colorful light such as emitting redness and blueness.By adopting the LED module of this colorful light source, thereby can improve the illumination performing effect.

And the utility model can be realized as the lighting device that possesses above-mentioned bulb-shaped lamp.For example, can realize as the lighting device that possesses above-mentioned bulb-shaped lamp 1 and the utensil of lighting a lamp (ligthing paraphernalia) of this bulb-shaped lamp 1 is installed.In this case, the utensil of lighting a lamp is used for carrying out the lamp and lighting a lamp of disappearing of bulb-shaped lamp 1, possesses the lamp socket for mounted LED lamp 1.

And, in the above-described embodiment, although LED lamp 1 is the LED lamp that replaces the Halogen lamp LED type of Halogen lamp LED, be not to be limited by this.The utility model also can be applicable to the lamp beyond Halogen lamp LED.

In addition, in the situation that do not break away from purport of the present utility model, the various distortion that those skilled in the art can be expected are executed in the formation of present embodiment and variation, and the formation after perhaps the inscape in embodiment and variation being made up all is included in scope of the present utility model.

Claims

1. illumination light source is characterized in that possessing:

Light emitting module;

Light guide member is configured in the light emitting side of described light emitting module, and is made of translucent material;

Framework is configured with the state that surrounds described light emitting module and described light guide member, and is made of translucent material; And

Thermal component, be configured in described light emitting module near, and be fixed on described framework.

2. illumination light source as claimed in claim 1, is characterized in that,

Described light emitting module is loaded in described thermal component.

3. illumination light source as claimed in claim 2, is characterized in that,

Described thermal component has the plate-shaped member of described light emitting module for mounting.

4. illumination light source as claimed in claim 2, is characterized in that,

Described thermal component has: mounting has the tabular mounting portion of described light emitting module and the wall section that is arranged on the ring-type of described mounting portion with the state that surrounds described light emitting module;

The height of the described light emitting module of aspect ratio of described wall section is low.

5. illumination light source as claimed in claim 2, is characterized in that,

Section is provided with through hole at described wall.

6. illumination light source as claimed in claim 4, is characterized in that,

This illumination light source also has the second thermal component, this second thermal component in the form of a ring, with described thermal component be separated by regulation the interval and the light that is configured in described light emitting module penetrates on direction;

Described the second thermal component is fixed on described framework.

7. illumination light source as described in any one of claim 1 to 6, is characterized in that,

Described thermal component is embedded to the state of described framework and is fixed on described framework with the part of self.

8. illumination light source as claimed in claim 1, is characterized in that,

Described framework has the mounting portion of the described light emitting module of mounting;

Described mounting portion is arranged between described thermal component and described light emitting module.

9. as claim 1 to 6,8 the described illumination light source of any one, it is characterized in that,

Described thermal component is made of metal or pottery.

10. illumination light source as claimed in claim 1, is characterized in that,

Described thermal component is lamellar, by described light emitting module and described framework clamping.

11. illumination light source as claimed in claim 10 is characterized in that,

Described thermal component is heat conduction graphite thin plate, heat conduction silicon thin plate or sheet metal.

12. as claim 1 to 6,8 the described illumination light source of any one, it is characterized in that,

Described framework has: the bottom, the inboard surrounding wall portion that is formed with the state that surrounds described bottom of the described light emitting module of supporting and outer perimeter wall section, this outer perimeter wall section is with the state of the sidepiece that surrounds described inboard surrounding wall portion, to be formed at a distance of the interval of regulation with described inboard surrounding wall portion.

13. illumination light source as claimed in claim 12 is characterized in that,

Described framework also has a plurality of wall parts, and these a plurality of wall parts are divided into the area of space between described inboard surrounding wall portion and described outer perimeter wall section a plurality of.

14. illumination light source as claimed in claim 13 is characterized in that,

Each of described a plurality of area of space is constituted as, and extraneous air can pass from a side opening the opposing party's opening.

15. illumination light source as claimed in claim 12 is characterized in that,

Be provided with small concavo-convex at least one party's of described inboard surrounding wall portion and described outer perimeter wall section surface.

16. as claim 1 to 6,8 the described illumination light source of any one, it is characterized in that,

Described framework only has space cylindraceous, with the inner space as this framework.

17. illumination light source as claimed in claim 1 is characterized in that,

Described framework is made of transparent resin or light transparent ceramic.

18. illumination light source as claimed in claim 1 is characterized in that,

Described light guide member carries out leaded light to the light that penetrates from described light emitting module, and emits to the outside of this illumination light source.

19. illumination light source as claimed in claim 1 is characterized in that,

This illumination light source is the light source with Halogen lamp LED type of speculum.