CN204284996U - LED and corresponding lighting device thereof - Google Patents
LED and corresponding lighting device thereof Download PDFInfo
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- CN204284996U CN204284996U CN201420677035.4U CN201420677035U CN204284996U CN 204284996 U CN204284996 U CN 204284996U CN 201420677035 U CN201420677035 U CN 201420677035U CN 204284996 U CN204284996 U CN 204284996U
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Abstract
Embodiment of the present utility model provides a kind of LED and corresponding lighting device thereof, and wherein a kind of LED comprises: at least one radiator, and described radiator at least comprises Part I and Part II, and described Part I forms the cavity body structure of hollow; And at least one LED chip, be arranged on the outer surface of described Part II.The utility model can, when without the need to filling helium, realize effectively dispelling the heat, and is easy to assembling and operation.
Description
Technical field
Each embodiment of the present utility model relates to lighting field, relates more specifically to a kind of LED and corresponding lighting device thereof.
Background technology
Digital lighting technology, namely based on the illumination of the such as semiconductor light source of light emitting diode (LED), provides the feasible alternative to traditional fluorescent lamp, HID and incandescent lighting module.Notoriously, the advantage of LED is to comprise high power conversion and optical efficiency, durability, lower running cost etc.
At present, the application of LED silk is increasingly extensive, such as can be applied in conventional incandescent lamp bulb, thus the luminescence of simulation incandescent lamp bulb.Wherein, LED silk can simulate the filament in incandescent lamp bulb, realizes 360 ° of full angle luminescences, but has the various advantages of LED concurrently simultaneously, thus brings unprecedented lighting experience.What deserves to be explained is, in order to effectively dispel the heat, this lamp comprising filament is filled with helium usually.
But this is for the lamp of miniature dimensions, such as capsule lamp or beans lamp, fill helium and be usually difficult to operation.
Therefore, exist a kind of demand of novel lamp that can overcome or at least alleviate above problem is provided.
Utility model content
One of object of the present disclosure is to provide a kind of and overcomes or at least alleviate the LED of above problem and corresponding lighting device thereof, wherein utilize heat spreader structures of the present disclosure design can when without the need to or be difficult to fill helium, realize effectively dispelling the heat.And, design according to heat spreader structures of the present disclosure, LED and corresponding illuminator structure thereof become simply, good looking appearance and be easy to assembling and operation, the situation of very applicable miniature lamp such as capsule lamp or beans lamp.
According to first aspect of the present disclosure, provide a kind of LED, comprising: at least one radiator, described radiator at least comprises Part I and Part II, and described Part I forms the cavity body structure of hollow; And at least one LED, be arranged on the outer surface of described Part II.
According to the further embodiment of the disclosure, described LED also comprises shell, and at least part of outer surface of described Part I contacts with the inwall of described shell.
According to the further embodiment of the disclosure, described Part II extends along the axial direction of described cavity body structure towards described cavity body structure outside.
According to the further embodiment of the disclosure, described radiator also comprises Part III, and described Part I is connected with described Part II via described Part III.
According to the further embodiment of the disclosure, whole outer surface of described Part I and the inwall physical contact of described shell.
According to the further embodiment of the disclosure, at least one radiator described comprises multiple radiator, and the described Part I of described multiple radiator is combined to form the cavity body structure of described hollow.
According to the further embodiment of the disclosure, described LED also comprises driver part, and described driver part is arranged in the cavity body structure of described hollow at least partly.
According to the further embodiment of the disclosure, described LED also comprises lampshade, for the light sent through at least one LED chip described.
According to the further embodiment of the disclosure, at least one LED described comprises at least one LED bare, and at least one LED bare described is series connection formation filamentray structure on the outer surface of described Part II directly.
According to second aspect of the present disclosure, provide a kind of lighting device, comprise according to the LED in above embodiment described in any one.
Accompanying drawing explanation
In the accompanying drawings, similar/identical Reference numeral usually runs through different views and refers to similar/identical part.Accompanying drawing also need not be drawn in proportion, but usually emphasizes the diagram to principle of the present utility model.In the accompanying drawings:
Fig. 1 diagrammatically illustrates the exploded view of the LED according to an example embodiment of the present disclosure;
Fig. 2 diagrammatically illustrates the section of structure of the LED according to an example embodiment of the present disclosure; And
Fig. 3 diagrammatically illustrates the stereogram of LED except lampshade according to an example embodiment of the present disclosure.
Detailed description of the invention
Below with reference to accompanying drawing, each embodiment of the present disclosure is described in detail.One or more examples of embodiment are shown by accompanying drawing.Embodiment provided by elaboration of the present disclosure, and is not intended to as to restriction of the present disclosure.Such as, as an embodiment a part shown or described by feature may be used to generate another further embodiment in another embodiment.The disclosure is intended to comprise these and other modifications and variations belonging to disclosure scope and spirit.
In order to clearly describe principle of the present disclosure, main composition graphs 1-3 is described LED of the present disclosure below, by following description, it will be appreciated by those skilled in the art that, LED 100 of the present disclosure mainly can comprise at least one radiator 20 and at least one LED 30, each radiator 20 wherein at least one radiator 20 at least can comprise Part I 21 and Part II 22, and Part I 21 forms the cavity of hollow; And at least one LED 30, can be arranged on the outer surface of Part II 22 of radiator 20.But LED of the present disclosure is not limited to above critical piece, i.e. radiator 20 and LED 30.Further, the disclosure can also comprise the miscellaneous part except above-mentioned critical piece.
Fig. 1 diagrammatically illustrates the exploded view of the LED according to an example embodiment of the present disclosure.
As shown in Figure 1, except above-described radiator 20 and LED chip 30, this embodiment of the present disclosure can further include shell 10, driver part 50 and lampshade 60 etc.As nonrestrictive description, relative position and the function of these parts will be described in detail below.
Shell 10 can be positioned at the bottom of LED 100 substantially, and it is configured to the structure of inner hollow and comprises inwall 11 (will be further described below).In addition, the material that shell 10 is suitable for by heat conductivility is good is made, and such as this Heat Conduction Material can comprise metal, the pottery or plastics etc. of heat conduction.Describe shell although it should be noted that in detail at this, as discussed below by what understand, shell of the present disclosure is not required, each embodiment of the present disclosure can directly by radiator 20 without the need to above-mentioned shell function of environment heat emission towards periphery.
At least one radiator 20 can comprise multiple radiator 20.Such as, Fig. 1 shows the example of 3 radiators 20.In addition, those skilled in the art also will understand, the number of the disclosure not limiting heatsink 20, and in other embodiments, any to be suitable for forming integrally-built radiator quantity be all feasible.
In order to realize heat trnasfer, radiator 20 is made up of the material being suitable for heat conduction, and the material of this heat conduction can include but not limited to the metal of such as copper or aluminium and so on.When radiator 20 dispels the heat directly to surrounding environment, at least one radiator 20 can serve as the shell of LED of the present disclosure at least partly.
Fig. 2 diagrammatically illustrates the section of structure of the LED according to an example embodiment of the present disclosure;
Shown in composition graphs 1 and Fig. 2, each radiator 20 at least one radiator 20 at least can comprise Part I 21 and Part II 22, Part I 21 can form the cavity body structure of hollow, wherein when being provided with shell 10 further, at least part of outer surface of Part I 21 can be configured to inwall 11 thermo-contact with shell 10, to transmit heat to shell 10.
Further, in one embodiment, the part or all of outer surface 210 of Part I 21 can with the directly thermo-contact (such as physical contact) of the inwall 11 of shell 10, thus to produce and the fitting tightly of the inwall 11 of shell 10.In another embodiment, the part or all of outer surface 210 of Part I 21 can pass through inwall 11 thermal coupling of thermal interfacial material (Thermal InterfaceMaterial or TIM) and shell 10.
It will be appreciated by those skilled in the art that, no matter be above-mentioned direct thermo-contact, or the setting of the thermal coupling by thermal interfacial material, very large thermocontact area will be had between the Part I 21 of radiator 20 and the inwall 11 of shell 10, this effectively can realize the heat trnasfer from radiator 20 to shell 10, even if make to there is shell 10, whole shell 10 also can as thermal component function of environment heat emission towards periphery, and this improves the heat dispersion of LED of the present disclosure effectively.
Radiator 20 also comprises the Part II 22 be connected with above-mentioned Part I 21, and it is applicable to the installation base plate forming at least one above-mentioned LED 30.According to this embodiment of the present disclosure, as shown in Figure 1, Part II 22 is configured to extend along the axial direction of above-mentioned cavity body structure towards the outside of cavity body structure.But in other embodiments, Part II 22 also can be configured to extend along other directions except the axial direction except above-mentioned cavity body structure.
Further, radiator 20 can also comprise Part III 23, to be connected with Part II 22 by Part I 21.It should be noted that, be exposed to the surface (such as the outer surface of Part II 22 and Part III 23) of following described LED chip or the light emitted radiator 20 of nude film 30, can be configured to be suitable for the light that LED chip described in reflecting or nude film 30 are launched further.
According to above description, it will be understood by those skilled in the art that the visual actual conditions of Part III 23 and exist, the selective sections of radiator 20 of the present disclosure can be formed.
Especially, at least one radiator 20 above-mentioned and corresponding Part I 21, Part II 22 and possible Part III 23 can separately or overall formation.
Such as, when LED 100 only has 1 radiator 20, the Part I 21 of radiator 20, Part II 22 and possible Part III 23 can separately or overallly to be formed, wherein single Part I 21 can form the cavity body structure of above-mentioned hollow substantially, the outer surface 210 of this cavity body structure can the inwall 11 of some or all of laminating shell 10, so that heat trnasfer.
Again such as, when LED 100 has multiple radiator 20, the appropriate section (i.e. Part I 21, Part II 22 and possible Part III 23) of each radiator 20 can separately or overallly to be formed.Further, the appropriate section of above-mentioned multiple radiator 20 can be combined to form an overall structure.For example, multiple Part I 21 of multiple radiator 20 can be combined to form the cavity body structure of above-mentioned hollow, the outer surface 210 of the cavity body structure of this hollow can the inwall 11 of some or all of laminating shell 10, multiple Part III 23 of multiple radiator 20 can be combined to form the end face of above-mentioned cavity body structure, and multiple Part II 22 of multiple radiator 20 can be combined to form the cavity body structure that cross section is another hollow of regular shape.
As the example of above-mentioned multiple radiator 20, Fig. 1-Fig. 3 diagrammatically illustrates the heat spreader structures with 3 radiators, and especially, Fig. 3 diagrammatically illustrates the stereogram of LED except lampshade according to an embodiment of the present disclosure.In conjunction with see Fig. 1-3,3 Part I 21 of 3 radiators 20 are combined to form the cavity body structure of hollow substantially, the cavity body structure entirety of this hollow is positioned at the inside of shell 10, the inwall 11 of shell 10 and its outer surface 210 is fitted in whole or in part, 3 Part III 23 of 3 radiators 20 are combined to form the end face of above-mentioned cavity body structure, and 3 of radiator 20 Part II 22 are combined to form the cavity body structure that cross section is another triangular shaped hollow.
It will be understood by those skilled in the art that the structure compared to only having single radiator 20, multiple radiator 20 is combined to form overall design and has more the free degree, and is easy to processing process.
As previously mentioned, at least one LED 30 can be arranged on the outer surface of Part II 22 of at least one radiator 20.Here, LED 30 can be the LED light source being suitable for launching any suitable wavelength, such as, be suitable for launching red, green, blue light, and mixing produces the light output of white thus.In addition, can be LED chip or nude film 30 especially according to LED 30 of the present disclosure, further, above-mentioned LED chip or nude film 30 can directly be attached on the outer surface of Part II 22 of radiator 20, thus realize the direct thermo-contact (such as physical contact) with the outer surface of the Part II 22 of radiator 20.
It will be appreciated by those skilled in the art that, due to LED chip or nude film 30 directly can be used here, so relative to using conventional LED form, LED chip or the thermally conductive pathways between nude film 30 and the outer surface of the Part II 22 of radiator 20 relative shorter, and realize heat conduction more efficiently thus, thus promote the heat conductivility according to LED of the present disclosure further.
Further, according to this embodiment of the present disclosure, at least one LED chip or nude film 30 directly can also be connected and be formed filamentray structure on the outer surface of the Part II 22 of radiator 20.But in other embodiments, other connected modes of at least one LED chip or nude film 30 are also feasible.It will be understood by those skilled in the art that due to above-mentioned filamentray structure, the LED of the application can simulate the luminescence of incandescent lamp bulb thus.
The main shell 10 with regard to LED 100, radiator 20 and LED 30 are described above, but disclosure LED 100 can also comprise other any suitable circuit and beam shaping (such as spreading) parts etc.
Such as, see Fig. 1 and Fig. 2, LED 100 of the present disclosure can also comprise transparent light shield 40, its light for launching through at least one LED 30 above-mentioned.Combine for the ease of the miscellaneous part of light shield 40 with LED 100, light shield 40 is also adapted to and matches with the size of radiator 20 and/or shell 10 (if depositing in case) and structure, thus can combine with radiator and/or shell.In addition, light shield 40 can also comprise the fastener 41 being positioned at its top center position, auxiliarily realizes the location of above-mentioned light shield 40 and fix in the cavity body structure of another hollow above-mentioned that the Part II 22 that fastener 41 can be inserted into radiator 20 surrounds.
Continue see Fig. 1 and Fig. 2, the driver part 50 for driving LED chip or nude film 30 luminescence can also be comprised according to LED 100 of the present disclosure.Driver part 50 such as can be arranged in the cavity body structure of the hollow that above-mentioned Part I 21 is formed at least partly.Driver part 50 can be connected to LED chip on the outer surface being positioned at Part II 22 or nude film 30 by conductive connection (not shown) via the Part II 22 (through hole such as on it) of radiator 20, thus realizes being connected with the safety electric of LED chip or nude film 30.
According to each embodiment of the present disclosure, LED 100 can be designed to by inner or externally fed.Such as, in-line power can be powered by the battery (it such as can be arranged in the hollow cavity structure of radiator 20 equally) being attached to LED 100.
And when externally fed, as Figure 1-3, the lamp adapter assembly 60 be electrically connected with above-mentioned driver part 50 can also be comprised according to LED 100 of the present disclosure.Lamp adapter assembly 60 such as can comprise the attaching plug 61 and corresponding AC-DC converting member that are suitable for receiving alternating current, to be suitable for using the above-mentioned LED 30 of DC driven through conversion.
The embodiment of main reference shown in Fig. 1-3 describes LED of the present disclosure above, essentially describes the heat spreader structures design in LED especially, and the heat conductive design between shell, radiator, LED chip or nude film.It will be understood by those skilled in the art that due to said structure of the present disclosure and heat conductive design, it can be suitable for the heat radiation of miniature lamp or midget lamp especially, and without the need to assisting the heat radiation (such as filling helium) of other modes.
Exemplarily, such as LED capsule lamp or the beans lamp of 1801m, experimental result shows, applies heat radiation structure design of the present disclosure (even if when there is shell) and also significantly existing thermal resistance can be reduced to about 48K/W from about 65K/W.
Therefore, significantly can improve heat radiation according to LED of the present disclosure, postpone the service life of light fixture.In addition, LED lamp structure of the present disclosure is simple, thus can effectively reduce costs and good looking appearance.
In addition, those skilled in the art also will understand, and can be applied in the lighting device of any appropriate according to LED of the present disclosure.
Although illustrate and describe in detail the utility model in accompanying drawing and aforementioned description, these illustrate and describe and should be considered to illustrative or exemplary instead of restrictive; The utility model is not limited to the disclosed embodiments.Those skilled in the art are putting into practice in claimed invention, are appreciated that by research accompanying drawing, open and claims and are put into practice other variant of the disclosed embodiments.
In the claims, word " comprises " does not get rid of other element, and indefinite article "a" or "an" is not got rid of multiple.Discrete component or other unit can meet the function of the multiple projects set forth in the claims.That in mutually different embodiment or dependent claims, only records some feature only has the fact, and does not mean that the combination that advantageously can not use these features.When not departing from the spirit and scope of the application, the protection domain of the application is encompassed in that each feature recorded in each embodiment or dependent claims is any may be combined.
Any reference marker in the claims should not be understood to limit scope of the present utility model.
Claims (10)
1. a LED, is characterized in that, comprising:
At least one radiator (20), described radiator (20) at least comprises Part I (21) and Part II (22), and described Part I (21) forms the cavity body structure of hollow; And
At least one LED (30), is arranged on the outer surface of described Part II (22).
2. LED according to claim 1, is characterized in that,
Described LED also comprises shell (10), and at least part of outer surface of described Part I (21) contacts with the inwall (11) of described shell (10).
3. LED according to claim 1, is characterized in that,
Described Part II (22) extends along the axial direction of described cavity body structure towards the outside of described cavity body structure.
4. LED according to claim 1, is characterized in that,
Described radiator (20) also comprises Part III (23), and described Part I (21) is connected with described Part II (22) via described Part III (23).
5. LED according to claim 2, is characterized in that,
Whole outer surfaces (210) of described Part I (21) and inwall (11) physical contact of described shell.
6. LED according to claim 1, is characterized in that,
Described at least one radiator (20) comprises multiple radiator, and the described Part I (21) of described multiple radiator is combined to form the cavity body structure of described hollow.
7. LED according to claim 1, is characterized in that,
Described LED also comprises driver part (50), and described driver part is arranged in the cavity body structure of described hollow at least partly.
8. the LED according to claim 1-7 any one, is characterized in that,
Described LED also comprises lampshade (40), for the light sent through at least one LED chip described.
9. the LED according to claim 1-7 any one, is characterized in that,
Described at least one LED (30) comprises at least one LED bare 30, and at least one LED bare 30 described is series connection formation filamentray structure on the outer surface of described Part II (22) directly.
10. a lighting device, is characterized in that, comprises according to the LED in claim 1-9 described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420677035.4U CN204284996U (en) | 2014-11-12 | 2014-11-12 | LED and corresponding lighting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420677035.4U CN204284996U (en) | 2014-11-12 | 2014-11-12 | LED and corresponding lighting device thereof |
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| Publication Number | Publication Date |
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| CN204284996U true CN204284996U (en) | 2015-04-22 |
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| CN201420677035.4U Active CN204284996U (en) | 2014-11-12 | 2014-11-12 | LED and corresponding lighting device thereof |
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