CN204201685U

CN204201685U - Ligthing paraphernalia

Info

Publication number: CN204201685U
Application number: CN201420633989.5U
Authority: CN
Inventors: 白川友树; 后藤芳朗
Original assignee: Panasonic Intellectual Property Management Co Ltd
Current assignee: Panasonic Intellectual Property Management Co Ltd
Priority date: 2013-11-05
Filing date: 2014-10-29
Publication date: 2015-03-11
Anticipated expiration: 2024-10-29
Also published as: JP2015090775A; JP6238199B2

Abstract

The utility model provides a kind of ligthing paraphernalia, can carry out distribution controls, and can improve light extraction efficiency.Possess: the LED light source (10) with light-emitting component; Surround LED light source (10) and along with away from LED light source (10) then opening become the reflection part (30) of large tubular gradually; The interarea relative with LED light source (10) has multiple juts (40b) of concentric annular and penetrates the mode of the opening in direction and the lenticular unit (40) be configured with the light of the reverberation covering reflection part (30); And along with then becoming the auxiliary reflection part (50) of large tubular gradually towards the opening in the light of reverberation injection direction away from reflection part (30), the jut (40b) of lenticular unit (40) penetrates the opening in direction from the light of the reverberation of reflection part (30), the inside to auxiliary reflection part (50) is outstanding.

Description

Ligthing paraphernalia

Technical field

The utility model relates to ligthing paraphernalia, particularly relates to the ligthing paraphernalia of the light-emitting components such as light emitting diode (LED:Light EmittingDiode) as the flush type of light source.

Background technology

Ligthing paraphernalia as flush type in the past such as has, be arranged on ceiling to make the ceiling imbedded formula ligthing paraphernalia below illumination directive as Down lamp or this Bei of shot-light Mai Write, or imbed and be arranged in ground with embedding illumination instrument in the ground making light irradiate upward etc.As embedding illumination instrument in the past, such as, Patent Document 1 discloses the ligthing paraphernalia about Down lamp.

Ligthing paraphernalia in the past disclosed in patent document 1 possesses the appliance body of LED light source (LED module) and storage LED light source.Appliance body possesses: for installing the housing of LED light source; There is the frame of the exit wound of bullet making the entrance port of the light incidence of LED light source and make the light injection injected from this entrance port; Be configured in the circular reflecting plate between LED light source and frame; And the light-passing board be configured between reflecting plate and frame.Reflecting plate is made up of aluminium, and the light from LED light source is reflected at inner peripheral surface, and at the entrance port optically focused of frame.

Further, patent document 2 discloses a kind of small-sized light source module, for the light distribution characteristic LED light source with diversity, any one face of light entrance face and light emergence face has and is formed jagged and in concentric circles collective optics.

(prior art document)

(patent document)

Patent document 1 Japanese Unexamined Patent Publication 2011-210621 publication

Patent document 2 Japanese Unexamined Patent Publication 2011-54829 publication

In the ligthing paraphernalia of the flush type in the past disclosed in patent document 1, in order to carry out distribution controls, preferably there is auxiliary reflection part.But, due to the difference of the kind of LED light source, thus there will be by the light of auxiliary reflecting member reflects too dazzling, or the situation that auxiliary reflection part can not control the reflection direction of reverberation.Therefore, there will be the problem that can not control luminous intensity distribution.

And, for the ligthing paraphernalia in the past disclosed in patent document 1, the light source module by being suitable for disclosed in patent document 2 can be considered, even if thus also can improve the efficiency extracting light from exit wound of bullet in the ligthing paraphernalia of flush type, and the distribution controls of pinpoint accuracy can be carried out.But when the distance of LED light source and above-mentioned light-passing board or collective optics is near, because of the impact of the energy of light penetrated from LED light source, light-passing board or collective optics are heated, and therefore there will be the situation that can not play desired characteristic.Like this, there will be the problem that light extraction efficiency reduces.

Utility model content

The utility model is in order to solve the above problems, and object is to provide one to control luminous intensity distribution, and can improve the ligthing paraphernalia of light extraction efficiency.

In order to reach above-mentioned object, an embodiment of the ligthing paraphernalia involved by the utility model is that this ligthing paraphernalia possesses: light source, has light-emitting component; Reflection part, in tubular, encloses said light source, and the opening of this reflection part is along with becoming large gradually away from described light source; Optics, this optics is configured to the opening in the light injection direction of the reverberation covering described reflection part, and on the interarea relative with described light source of this optics, has the multiple juts in concentric annular; And auxiliary reflection part, in tubular, this auxiliary reflection part is towards the opening in described light injection direction, along with becoming large gradually away from described reflection part, the jut of described optics penetrates the opening in direction from the light of the reverberation of described reflection part, the inside to described auxiliary reflection part is outstanding.

Further, also can be that, in an embodiment of the ligthing paraphernalia involved by the utility model, the diameter of described optics penetrates the opening in direction from the light of the reverberation of described reflection part, the inside to described auxiliary reflection part increases gradually.

And, also can be, in an embodiment of the ligthing paraphernalia involved by the utility model, described optics has installation portion, this installation portion is used for the main body described optics being installed to described ligthing paraphernalia, and described installation portion engages with the summit of the outermost jut among described multiple jut.

Further, also can be that, in an embodiment of the ligthing paraphernalia involved by the utility model, other the height of any one jut of the aspect ratio of described outermost jut is high.

By the utility model, can provide a kind of ligthing paraphernalia, this ligthing paraphernalia can control luminous intensity distribution, and can improve light extraction efficiency.

Accompanying drawing explanation

Fig. 1 is the general survey sectional view of the ligthing paraphernalia involved by embodiment of the present utility model.

Fig. 2 is the exploded perspective view of the ligthing paraphernalia involved by embodiment of the present utility model.

Fig. 3 is the sectional view that the plane of the central shaft of the ligthing paraphernalia comprised involved by embodiment of the present utility model carries out when cutting.

Fig. 4 is the top view of an example of the lenticular unit illustrated involved by embodiment of the present utility model.

Fig. 5 is the bottom view of an example of the lenticular unit illustrated involved by embodiment of the present utility model.

Fig. 6 is the sectional view that the plane of the central shaft of the lenticular unit comprised involved by embodiment of the present utility model carries out when cutting.

Fig. 7 A is the figure of the light extraction efficiency for illustration of ligthing paraphernalia in the past.

Fig. 7 B is the figure of the light extraction efficiency for illustration of the ligthing paraphernalia involved by embodiment of the present utility model.

symbol description

1 ligthing paraphernalia

10 LED light sources (light source)

11 substrates

12 LED

13 seal members

20 frameworks

30 reflection parts

40 lenticular units (optics)

40a installation portion (optics)

40b jut (optics)

50 auxiliary reflection parts

Detailed description of the invention

Referring to accompanying drawing, the ligthing paraphernalia involved by embodiment of the present utility model is described.Further, illustrated below embodiment is 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 an example, are not to limit purport of the present utility model.Therefore, the inscape do not recorded in the independent claims for upper concept of the present utility model shown in the inscape in following embodiment, illustrates as arbitrary inscape.Further, each figure is ideograph, is not rigorous diagram.Therefore, also there is not on all four part in each figure.

(embodiment)

First, Fig. 1 to Fig. 3 is utilized to be described the ligthing paraphernalia involved by embodiment of the present utility model.Fig. 1 is the general survey oblique view of the ligthing paraphernalia involved by embodiment 1 of the present utility model.Further, Fig. 2 is the exploded perspective view of the ligthing paraphernalia involved by embodiment of the present utility model.Fig. 3 is the sectional view that the plane of the central shaft of the ligthing paraphernalia comprised involved by embodiment of the present utility model carries out when cutting off.

Ligthing paraphernalia 1 shown in Fig. 1 and Fig. 2 such as adopts shot-light or by ligthing paraphernalias such as illumination Down lamps downwards.

Ligthing paraphernalia 1 involved by present embodiment as shown in Figure 1 by framework 20 and auxiliary reflection part 50 corral, and as shown in Figure 2, possesses: LED light source 10, framework 20, reflection part 30, lenticular unit 40 and auxiliary reflection part 50.Ligthing paraphernalia 1 as shown in Figure 2, is formed with the sequential combination of framework 20, LED light source 10, reflection part 30, lenticular unit 40, auxiliary reflection part 50.Further, LED light source 10 is equivalent to the light source involved by the utility model, and lenticular unit 40 is equivalent to the optics involved by the utility model.

Below each component parts in ligthing paraphernalia 1 is described in detail.

[LED light source]

LED light source 10 is the light emitting modules with light-emitting component, and the light of regulation is radially released.LED light source 10 is configured to release white light, possesses: substrate 11, mounted multiple LED (bare chip) 12 on the substrate 11 and the seal member 13 for sealing LED 12.Further, in the present embodiment, the optical axis of LED light source 10 is vertical.

Substrate 11 is the installation base plates for installing LED12, such as, be resin substrate, ceramic substrate or be the substrate etc. at the end by the metal of insulating wrapped.Further, the plate-like substrate of the plane when overlooking with rectangular shape such as can be adopted as substrate 11.Between the fixed part that substrate 11 is fixed on framework 20 inside and reflection part 30.Accordingly, the heat that LED12 produces is transmitted to framework 20 by substrate 11.Further, in order to the heat transfer that can be produced by LED12 is efficiently to framework 20, the substrate preferably adopting the face be close to above-mentioned internal part to be formed by metal material as substrate 11 or metal are the substrate at the end.Further, although do not illustrate, pair of electrodes terminal (positive electrode terminal and negative electrode terminal) is formed with at substrate 11, to accept the direct current for making LED12 luminescence from outside.

LED12 is an example of light-emitting component, is the bare chip sending monochromatic visible ray.LED12 in present embodiment is the blue-light-emitting LED chip sending blue light when being energized.Further, LED12 on the face (surface: the lower surface in Fig. 2 and Fig. 3) of the side of substrate 11 with rectangular be configured with multiple.LED12 is electrically connected to each other by the metal line (not shown) or wire (not shown) being formed in substrate 11 by pattern.

Seal member 13 is formed on the substrate 11 in the mode sealed in the lump multiple LED12.Seal member 13 comprises the fluorophor as optical wavelength conversion material, plays a role as the wavelength conversion layer light from LED12 being carried out to wavelength conversion.As seal member 13 such as can adopt the fluorophor particle of regulation or photodiffusion material be distributed to silicones containing fluorophor resin.

Further, the size of the light emergence face of LED light source 10 is as an example, and diameter is 30 to 40mm.Further, the size of LED light source 10 is not limited by this, such as, also can be diameter be 10mm.Further, LED light source 10 can be area source, also can be spot light.

As fluorophor particle, when LED12 is the blue LED sending blue light, in order to obtain white light, such as can adopt YAG system yellow fluorophor particle.Accordingly, the yellow fluorophor particle of a part by containing in seal member 13 of the blue light that LED12 sends, and be sodium yellow by wavelength conversion.That is, the blue light (exciting light) that sent by LED12 of yellow fluorophor particle and being excited, thus to send relative to blue light be the sodium yellow of complementary color relationship.Further, not by yellow fluorophor particle absorption blue light with by yellow fluorophor particle by the sodium yellow after wavelength conversion, spread in seal member 13 and mix, thus penetrating white light from seal member 13.The particles such as silica can be adopted as photodiffusion material.

Further, in order to improve color rendering, in seal member 13 except yellow fluorophor particle, red fluorescence particle can also be mixed into.Further, seal member 13 also can be formed by silicones, and the inorganic material such as glass such as can be made up of the organic materials such as fluorine resin or low-melting glass or sol-gal process is formed.Further, seal member 13 also can seal all LED12 in the lump, or can carry out the sealing of linearity according to the row of each LED12.

[framework]

Then, framework 20 is described.Framework 20 is install the erecting bed of LED light source 10, is again the radiator that the heat produced LED light source 10 is dispelled the heat.Framework 20 adopts metal material to be formed roughly in cylindric, is aluminium diecasting in the present embodiment.

Framework 20 has the light resource installing section (not shown) for installing LED light source 10.In the present embodiment, the outer peripheral face of light resource installing section and reflection part 30 and the periphery of the substrate 11 that forms LED light source 10 contact.LED light source 10 is fixed on this light resource installing section.Accordingly, LED light source 10 is maintained at framework 20.

Further, in the part of the ceiling side of framework 20, also can arrange to the outstanding multiple fin in the ceiling side of framework 20.Fin such as can be spaced certain distance to arrange along a direction.Like this, can dispel the heat to the heat that LED light source 10 produces efficiently.

[reflection part]

Then, reflection part 30 is described.Reflection part 30 is first reflection parts with reflection function, there is entrance port and exit wound of bullet, described entrance port is the opening of the light incidence from LED light source 10 made through lenticular unit 40, and exit wound of bullet is the opening making to penetrate from the light of entrance port incidence from reflection part 30.Reflection part 30, in annulus frame shaped (funnel-form), is configured to internal diameter and becomes large gradually from entrance port towards exit wound of bullet, such as, the white resin material of the hard such as polybutylene terephthalate (PBT) can be adopted to be formed.The reflection part that have employed PBT has heat resistance and high reflectance, and then, can select as nonflammable class.

The inner peripheral surface of reflection part 30 is reflection reflectings surface from the light of LED light source 10.Reflecting surface is configured to, and makes to reflect from the light of entrance port incidence, and penetrates from exit wound of bullet.

Further, reflection part 30 may not be the white resin material of hard, such as, also can be formed by metal materials such as aluminium.Or, form the metal deposition film (metallic reflective coating) be made up of silver or the metal material such as aluminium at the inner surface of resinous reflection part 30, using as reflecting surface.

[auxiliary reflection part]

Then, auxiliary reflection part 50 is described.Auxiliary reflection part 50 has: inner face has the conus portion 51 slightly cylindrically of reflecting surface and installs the main part 52 of conus portion 51.Conus portion 51 adopts metal material shaping, such as, can make by carrying out cross-sectional constriction processing or punch forming etc. to aluminium alloy etc.Main part 52 comes shaping by the resin material of hard or metal material.Auxiliary reflection part 50 is installed in framework 20 by main part 52 thus is fixed.

The top of auxiliary reflection part 50 (conus portion 51) is provided with entrance port, for the inside making the light from LED light source 10 be directly incident on reflection part 30, or incident by reflecting.Further, the bottom of auxiliary reflection part 50 (conus portion 51) being provided with exit wound of bullet, injecting to outside for making the light inciding auxiliary reflection part 50.These entrance ports and the equal opening of exit wound of bullet rounded, and the opening footpath of opening relative aperture entrance port of exit wound of bullet is large.Further, the inner peripheral surface of conus portion 51 is the reflecting surface reflected light, and reflecting surface is in the present embodiment metal mirror.Reflecting surface is configured to, and from the light of entrance port incidence via this reflective surface, and light is penetrated from exit wound of bullet.Further, appropriate adjustment can be done by the shape of reflecting surface from the angle of the light of exit wound of bullet injection.Reflecting surface in present embodiment is configured to, and the light injected from entrance port almost reflects the below to vertical.

Further, the distance that specifies of conus portion 51 and reflection part 30 interval in vertical and being configured.Further, the opening footpath of the entrance port of conus portion 51 is roughly the same with the opening footpath of the exit wound of bullet of reflection part 30 described later.

Further, in the whole circumference of the bottom of main part 52, flange (not shown) outwardly on direction, footpath is formed with.

[lenticular unit]

Then, lenticular unit 40 is described.Lenticular unit 40 as shown in Figure 3, is configured in the position relative with LED light source 10 (LED12), has light entrance face and light emergence face.Be arranged on the light emitting side of LED light source 10.Scioptics parts 40, LED light source 10 obtains protection.Lenticular unit 40 in present embodiment is fixed on the inner bottom surface of framework 20.Further, the lenticular unit 40 in Fig. 3 illustrate only the cross section of lenticular unit 40, for be positioned at than this cross section more the jut 40b of depths each summit omit diagram.

Lenticular unit 40 in present embodiment is fixed between the exit wound of bullet of reflection part 30 and the entrance port of auxiliary reflection part 50, from the light from LED light source 10 of the light entrance face incidence of the interarea (being upper side Fig. 3) of the thickness direction as lenticular unit 40, penetrate from the light emergence face as other the face (being downside Fig. 3) relative with this interarea.

Lenticular unit 40 adopts translucent material and is formed, such as, the transparent material with the insulating properties such as transparent resin material or glass material such as PMMA (acrylic resin) or polycarbonate (PC) can be adopted to be formed.

At this, the structure of Fig. 4 to Fig. 6 to lenticular unit 40 is utilized to be described in detail.Fig. 4 is the top view of an example of the lenticular unit illustrated involved by embodiment of the present utility model.Fig. 5 is the bottom view of an example of the lenticular unit illustrated involved by embodiment of the present utility model.

As shown in Figure 4, when overlooking lenticular unit 40, this lenticular unit 40 possesses installation portion 40a and four jut 40b, and described installation portion 40a has roughly in circular shape.Four jut 40b are formed, and are wherein configured in outermost jut 40b higher than the height of other three jut 40b.Further, the inner side being arranged on four jut 40b jut 40b of inner side has flat shape.Installation portion 40a engages with the summit of outermost jut 40b.

Further, as shown in Figure 5, when looking lenticular unit 40 end of at, other the mask relative with the interarea of lenticular unit 40 has the shape of smooth circle.And be formed, the diameter in other the face relative with interarea, the diameter of the annulus formed than the summit of the outermost jut 40b in interarea is large.That is, the diameter of lenticular unit 40 is, increasing towards the inside of described auxiliary reflection part from the opening in the light injection direction of the reverberation of described reflection part.Accordingly, incide the end face reflection of light at lenticular unit 40 of lenticular unit 40, thus can distribution controls be carried out.

Further, in the face of the bottom of lenticular unit 40, namely also jut 40b can be had in other the face relative with the interarea of lenticular unit 40.

As shown in Figure 3, be configured in the exit wound of bullet side of reflection part 30, installation portion 40a is fixed on the inner bottom surface of framework 20 to lenticular unit 40.Further, four jut 40b are configured in the inner side of the entrance port of auxiliary reflection part 50.Therefore, at lenticular unit 40, the interarea being provided with four jut 40b is relative with LED light source 10, and other the face relative with interarea is configured in the light incident side of auxiliary reflection part 50.Therefore, in lenticular unit 40, interarea is light entrance face, and other the face relative with interarea is light emergence face.

Fig. 6 is AA ' the line place at the center comprising the lenticular unit shown in Fig. 4, sectional view when cutting off with the plane vertical with the interarea of lenticular unit 40.

As shown in Figure 6, lenticular unit 40 is from the opening in the light injection direction of the reverberation of reflection part 30, and the inside to auxiliary reflection part 50 is outstanding.Further, at lenticular unit 40, by making installation portion 40a engage with the summit of outermost jut 40b, thus be configured to from the opening in the light injection direction of the reverberation of reflection part 30 outstanding to the inside of auxiliary reflection part 50.Accordingly, due to the distance of the interarea and LED light source 10 that can guarantee lenticular unit 40, therefore lenticular unit 40 can not by the energy warms of light penetrated from LED light source 10, thus the deterioration in characteristics reducing Yin Re and cause.Further, installation portion 40a and outermost jut 40b also can be one-body molded.

Further, as shown in Figure 6, lenticular unit 40 is formed, and other the height of three jut 40b of the aspect ratio of outermost jut 40b is high.Further, the height of other three jut 40b is formed, from the center step-down gradually towards lenticular unit 40 from the side close to outermost jut 40b.Because among jut 40b, only outermost jut 40b is higher than the height of other three jut 40b, therefore, it is possible to guarantee the distance between the immediate vicinity of lenticular unit 40 and LED light source 10.Therefore, it is possible to reduce the impact that lenticular unit 40 is subject to the heat produced from the energy of the light of LED light source 10 injection further.Further, as long as the height of the aspect ratio outermost jut 40b of other three jut 40b is low, also can be identical height.Further, the height of all jut 40b also can be all identical.

Fig. 7 A is the figure be described the light extraction efficiency of the ligthing paraphernalia involved by embodiment of the present utility model, Fig. 7 B is the figure be described the light extraction efficiency of ligthing paraphernalia in the past.

As shown in Figure 7 A, at ligthing paraphernalia 1, lenticular unit 40 is outstanding to the inside of auxiliary reflection part 50 from the opening in the light injection direction of the reverberation of reflection part 30, and, the diameter of lenticular unit 40 increases gradually from the opening in the light injection direction of the reverberation of reflection part 30 towards the inside of auxiliary reflection part 50, therefore, the light component L1 penetrated from LED light source 10 is through the inner peripheral surface of outermost jut 40b, and then, reflected at the outer peripheral face of outermost jut 40b, and penetrated from other the face relative with the interarea of lenticular unit 40.Equally, the inner peripheral surface of second the jut 40b of light component L3 from outside penetrated from LED light source 10 through, and then to reflect at the outer peripheral face of this jut 40b, and penetrate from other the face relative with the interarea of lenticular unit 40.Further, the light component L2 penetrated from LED light source 10 is from the plane transmission of the immediate vicinity of lenticular unit 40.Now, light component L2 reflects on the interarea and other the face relative with interarea of lenticular unit 40.

Therefore, in the ligthing paraphernalia 1 shown in Fig. 7 A, light component reflects at lenticular unit 40, and is controlled by lenticular unit 40 pairs of luminous intensity distributions, and therefore, the light component reflected at auxiliary reflection part 50 reduces.Like this, can provide a kind of ligthing paraphernalia, this ligthing paraphernalia can be eliminated because assisting the dazzling problem that the light that reflection part 50 reflects causes and the problem that can not control luminous intensity distribution.

In addition, as shown in Figure 7 B, in ligthing paraphernalia in the past, the light component L4 penetrated from LED light source 110, through the diffuser 140 not having photocontrol, and to be reflected by auxiliary reflection part 150.Equally, light component L6 through diffuser 140, and is reflected by auxiliary reflection part 150.Light component L5 is through diffuser 140, and can't help auxiliary reflection part 150 reflects and directly penetrate.Therefore, the situation that can occur is, the light quantity reflected at auxiliary reflection part 150 is too much, or too dazzling, or can not carry out distribution controls to the light through diffuser 140, thus light can not direction desired by directive.

Like this, the light penetrated from LED light source 10, due to can by lenticular unit 40 by distribution controls, therefore, can either be reduced in the light quantity of auxiliary reflection part 50 reflection, can improve again the extraction efficiency of the light penetrated from LED light source 10.

And, because lenticular unit 40 is outstanding to the inside of auxiliary reflection part 50 from the opening in the light injection direction of the reverberation of reflection part 30, therefore, it is possible to guarantee the distance between the interarea of lenticular unit 40 and LED light source 10.Therefore, lenticular unit 40 can not be heated because of the energy of light that penetrates from LED light source 10, thus reduces the deterioration in characteristics because thermal conductance causes.

[effect]

Ligthing paraphernalia 1 involved by present embodiment possesses: the LED light source 10 with LED12; Surround LED light source 10, and along with becoming the reflection part 30 of large tubular gradually away from LED light source 10 openings; The interarea relative with LED light source 10 has multiple jut 40b of concentric annular, and the lenticular unit 40 be configured in the mode of the opening in the light of the reverberation covering reflection part 30 injection direction; And becoming the auxiliary reflection part 50 of large tubular along with away from reflection part 30 towards the opening in light injection direction, the jut 40b of lenticular unit 40 is outstanding to the inside of auxiliary reflection part 50 from the opening in the light injection direction of the reverberation of reflection part 30.

Accordingly, due to the distance between the interarea of lenticular unit 40 and LED light source 10 can be guaranteed, therefore, lenticular unit 40 can not be heated by the energy of the light penetrated from LED light source 10, thus reduces the deterioration of the characteristic caused because of heat.

Further, and lenticular unit 40 is formed as hybrid lens like that comparatively compared with thick lens, can more easily forms lenticular unit 40.Therefore, it is possible to realize the large jumbo high-power LED illuminator tool of light output.

And, because the only outermost jut 40b in jut is higher than the height of other three jut 40b, therefore, it is possible to guarantee the distance between the immediate vicinity of lenticular unit 40 and LED light source 10.Therefore, it is possible to reduce the impact that the heat that produces of light that penetrates because of LED light source 10 causes lenticular unit 40, thus the ligthing paraphernalia 1 that heat-resisting effect is high can be provided.

Further, the diameter of lenticular unit 40 also can be, increasing towards the inside of auxiliary reflection part 50 from the opening in the light injection direction of the reverberation of reflection part 30.

Accordingly, incide the end face reflection of light at lenticular unit 40 of lenticular unit 40, thus can distribution controls be carried out.

Further, lenticular unit 40 has the installation portion 40a of the main body for lenticular unit 40 being installed to ligthing paraphernalia 1, and installation portion 40a also can engage with the summit of the outermost jut 40b in multiple jut.

Accordingly, due to the distance between the interarea of lenticular unit 40 and LED light source 10 can be guaranteed, therefore, lenticular unit 40 can not by the energy warms of light penetrated from LED light source 10, thus the deterioration in characteristics reducing Yin Re and cause.

Further, also can be that other the height of any one jut 40b of the aspect ratio of outermost jut 40b is high.

Like this, the heat that the energy of the light that can reduce because penetrating from LED light source 10 produces is on the impact of lenticular unit 40.

(other)

Be illustrated the ligthing paraphernalia involved by the utility model based on embodiment above, but, the utility model not limit by above embodiment.

Such as, in the above embodiment, although installation portion 40a be configured in lenticular unit 40 from the side away from LED light source 10, but, also can be configured in the side from close to LED light source 10.

Further, in the above embodiment, although LED light source 10 is configured to by blue led and yellow fluorophor to release white light, but, be not limited by this.Such as, adopt containing red-emitting phosphors and green-emitting phosphor containing fluorophor resin, and by combining to release white light with blue led.

Further, in the above embodiment, although LED12 have employed the LED sending blue light, but, be not limited by this.As LED12, the LED of the light of the color sent beyond blueness also can be adopted.Such as, as LED12 when employing sends the LED chip of ultraviolet, can realize by combining the assorted fluorophor particle sending three primary colors (red, green, blue) as fluorophor particle.And, also the wavelength shifter beyond fluorophor particle can be adopted, such as also can adopt the light that can send certain wavelength containing semiconductor, metal complex, organic dyestuff, pigment etc. as wavelength shifter, and send the material of the material of the light different from the wavelength of the light absorbed.

And, in the above embodiment, although show LED as light-emitting component citing, but also can adopt the light-emitting component such as the semiconductor light-emitting elements such as semiconductor laser, organic EL (ElectroLuminescence: electroluminescent) or inorganic EL.

Further, in the above embodiment, although show LED light source as area source citing, but also can adopt each light source of multiple bulb configuration light source on the same face.

Further, in the above embodiment, although be that reflection part 30 reflects the light from entrance port incidence, but, also can be that the light of returning from lenticular unit 40 bounce-back is imported into exit wound of bullet again.That is, also can be that the light reflected at lenticular unit 40 is reflected, and penetrate from exit wound of bullet.

Further, in the above embodiment, although be, at the light incident side of lenticular unit 40, there is circular jut 40b, but the shape of this jut 40b not limit by circular.May not be circular, but the polygonal ring-types such as square ring, and also can be oval ring-type.That is, as long as the shape concentric annular of above-mentioned jut and groove.

Further, in the above embodiment, although the formation of LED light source 10 directly installs LED chip on the substrate 11, and by COB (the Chip On Board) type sealed in the lump LED chip containing fluorophor resin, but, be not limited by this.Such as, also the LED light source of surface installing type (SMD:Surface Mount Device) can be adopted, concrete formation installs LED chip in the cavity of ester moulding, and in this cavity, form by containing fluorophor is recording member resin-enclosed the LED element encapsulating build, and this LED element is installed multiple on substrate.

In addition, in the scope not exceeding purport of the present invention, the various distortion that those skilled in the art that the basis of present embodiment is implemented can expect, or the embodiment combining the inscape in different embodiments and form includes within the scope of the invention.

Claims

1. a ligthing paraphernalia, is characterized in that,

This ligthing paraphernalia possesses:

Light source, has light-emitting component;

Reflection part, in tubular, encloses said light source, and the opening of this reflection part is along with becoming large gradually away from described light source;

Optics, this optics is configured to the opening in the light injection direction of the reverberation covering described reflection part, and on the interarea relative with described light source of this optics, has the multiple juts in concentric annular; And

Auxiliary reflection part, in tubular, this auxiliary reflection part penetrates the opening in direction towards described light, along with becoming large gradually away from described reflection part,

The jut of described optics penetrates the opening in direction from the light of the reverberation of described reflection part, the inside to described auxiliary reflection part is outstanding.

2. ligthing paraphernalia as claimed in claim 1, is characterized in that,

The diameter of described optics penetrates the opening in direction from the light of the reverberation of described reflection part, the inside to described auxiliary reflection part increases gradually.

3. ligthing paraphernalia as claimed in claim 1, is characterized in that,

Described optics has installation portion, and this installation portion is used for the main body described optics being installed to described ligthing paraphernalia,

Described installation portion engages with the summit of the outermost jut among described multiple jut.

4. the ligthing paraphernalia as described in any one of claims 1 to 3, is characterized in that,

Other the height of any one jut of the aspect ratio of described outermost jut is high.