CN2899117Y - Radiating structure of light-emitting diodes - Google Patents
Radiating structure of light-emitting diodes Download PDFInfo
- Publication number
- CN2899117Y CN2899117Y CNU2006200081902U CN200620008190U CN2899117Y CN 2899117 Y CN2899117 Y CN 2899117Y CN U2006200081902 U CNU2006200081902 U CN U2006200081902U CN 200620008190 U CN200620008190 U CN 200620008190U CN 2899117 Y CN2899117 Y CN 2899117Y
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- Prior art keywords
- cooling base
- emitting diode
- conductive metal
- light
- metal sheet
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
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Abstract
The utility model relates to a radiating structure of light-emitting diode with the main structure being as follows: at one face of a radiating base is formed a double-layer groove with the internal bottom fixed with a light-emitting diode (LED); the surface of the radiating base is coated with an insulating film; both sides of the radiating base are provided with two conductive sheet metals respectively connected to both electrodes of the LED through a conducting wire; meanwhile, the groove is filled with resin of high light transmittance; above the groove of the radiating base is assembled an optical lens; then, the LED and conductive sheet metals are directly arranged on the radiating base through the radiating base coated with the insulating film without providing other PC board or insulating substance to make the heat source of the LED directly exchange heat through the radiating base, thereby substantially improving radiating efficiency of the LED and simplifying members for higher production efficiency.
Description
Technical field
The utility model relates to a kind of light-emitting diode, particularly be a kind of radiator structure of light-emitting diode.
Background technology
In recent years because of the mankind to expending in a large number at the energy, and under a large amount of exploitation of the energy, existing energy starved crisis, in order to tackle energy shortage, the scientist of countries in the world all endeavours to reach in " energy development " research of " energy savings ", the substitute of " energy development " aspect such as oil and the utilization of the sun; " energy savings " aspect then is to endeavour to research and develop power consumption low fuel oil engine, motor and all kinds of power saving lighting apparatus, the then first-elected low light-emitting diode of power consumption of power saving lighting apparatus wherein.
Believe that great majority know per capita, light-emitting diode is because of having extremely low power consumption characteristic, thereby has been used in all kinds of illuminations in a large number at present, but in the past light-emitting diode because of manufacturing technology prematurity still, brightness is lower, therefore, use is severely limited, and recently already endeavours to research and develop under the situation of new technology at each, the brightness of light-emitting diode significantly improves, and then it is used widely in all kinds of illuminations, and connect the auto bulb that may not replace in the past, also arrived the skillful stage.
Although but the brightness of light-emitting diode significantly improves, but the problem of Chan Shenging promptly is the problem of poor heat radiation then, present high brightness LED is bigger because of its power output, and then make it produce higher temperature, and because of the manufacturing of light-emitting diode is to produce airtight packaged type fully, and then make its high temperature be difficult for distributing, and can't effectively improve radiating efficiency, be the bottleneck that remains to be broken through for high-power (high brightness) light-emitting diode at present.
Summary of the invention
Main purpose of the present utility model is: the radiating efficiency and the production efficiency that improve light-emitting diode.
For realizing that this purpose the technical solution adopted in the utility model is: a cooling base is set, is formed with a pair of laminar concavity groove in the wherein one side of this cooling base, on the surface of cooling base, handling has an insulating film layer; One light-emitting diode is the concavity groove inner bottom part that is installed in aforementioned cooling base; One group of conductive metal sheet is provided in a side of the both sides of aforementioned cooling base, and is connected with two utmost points of aforementioned light-emitting diode with a lead respectively; The high light transmittance resin is to be filled in the concavity groove of aforementioned cooling base, so that this light-emitting diode is encapsulated; One optical lens mirror holder, it is that group is located at aforementioned cooling base top, is provided with a central hole thereon, is provided with an optical lens at this central hole place; Another technical scheme is that a cooling base is set, and is formed with a depressed part in the wherein one side of this cooling base, and on the surface of cooling base, handling has an insulating film layer; One group of conductive metal sheet is provided in a side of the both sides of aforementioned cooling base, and the opposite end of each conductive metal sheet is respectively equipped with corresponding extension kink, and each extends kink and extends to the nearly centre of aforementioned cooling base depressed part; One light-emitting diode, its two electrode contact are the extension kink solder joint with aforementioned two conductive metal sheets; The high light transmittance resin is to be filled in the depressed part of aforementioned cooling base, so that this light-emitting diode is encapsulated; And an optical lens mirror holder, it is that group is located at aforementioned cooling base top, is provided with a central hole thereon, is provided with an optical lens at this central hole place; Realize purpose recited above.
The advantage of the utility model tool: the radiating efficiency that significantly improves light-emitting diode is provided, simplifies member advantage such as to enhance productivity.
Below in conjunction with accompanying drawing, to this novel above-mentionedly is described in more detail with other technical characterictic and advantage.
Description of drawings
Figure 1A is that the utility model is attempted the wherein three-dimensional exploded view of a preferred embodiment;
Figure 1B is a combination dissected figure of the present utility model;
Fig. 2 is the enforcement illustration that the utility model is located at two conductive metal sheet groups the cooling base both sides and is connected with light-emitting diode with lead;
Fig. 3 is a combination stereogram of the present utility model;
Fig. 4 is the embodiment three-dimensional exploded view that the utility model group is established another kind of one-body molded optical lens;
To be the utility model be located at another of cooling base both sides in the riveted mode with two conductive metal sheet groups to Fig. 5 A
The embodiment three-dimensional exploded view;
Fig. 5 B is the local combination dissected figure that the utility model is located at two conductive metal sheet groups in the riveted mode cooling base both sides;
Fig. 6 is that the utility model can directly be welded in large-scale cooling base to promote the embodiment cut-away view of radiating efficiency at the gold-plated tin layer in cooling base bottom;
Fig. 7 be the utility model in the cooling base groove, do not have insulating film layer and in the bottom gold-plated tin layer and light-emitting diode directly is welded on the embodiment cut-away view at this place;
Fig. 8 A be the utility model in above and below, cooling base both sides and conductive metal sheet all establish the embodiment partial cutaway diagrammatic sketch that can detain the fixed bit concave point;
Fig. 8 B is the vertical view of conductive metal sheet shown in the 8th figure;
To be the utility model establish embodiment partial cutaway diagrammatic sketch when establishing unidirectional cramp on catching groove and the conductive metal sheet and fastening mutually at cooling base both sides end face to Fig. 9 A;
Fig. 9 B is the vertical view of conductive metal sheet shown in the 9th A figure;
To be the utility model form a depressed part and make the extension kink of two conductive metal sheets extend to nearly depressed part and the embodiment cut-away view that light-emitting diode oppositely can be welded to connect with two conductive metal sheets in cooling base central authorities Figure 10 A;
To be the utility model form a depressed part and make the extension kink of two conductive metal sheets extend to nearly depressed part and the embodiment stereogram that light-emitting diode oppositely can be welded to connect with two conductive metal sheets in cooling base central authorities Figure 10 B.
The reference numeral explanation: 1, the 5-cooling base; 11-concavity groove; The 111-depressed part; The 12-groove; The 13-breach; The 14-depressed part; 141, the 142-conductive metal sheet; 1411,1412-extends kink; The 143-hole; The 144-projection; 145, the 18-concave point; The 146-cramp; The 15-insulating film layer; 16-tiltedly lacks the limit; 17,22-gold tin layer; The 19-catching groove; The 2-light-emitting diode; The 21-lead; 3-optical lens mirror holder; The 31-clasp; The 32-central hole; The 33-optical lens; 4-high light transmittance resin.
Embodiment
See also the utility model Figure 1A, Figure 1B, Fig. 2 and shown in Figure 3, the radiator structure of the utility model light-emitting diode, it mainly is that wherein one side at cooling base 1 is formed with a pair of laminar concavity groove 11, surface at cooling base 1, processing has an insulating film layer 15, at aforementioned concavity groove 11 inner bottom parts, set firmly a light-emitting diode 2, both sides at cooling base 1, be respectively equipped with a conductive metal sheet 141, and be connected with two utmost points of light-emitting diode 2 with a lead 21 respectively, simultaneously in concavity groove 11, be filled with high light transmittance resin 4, so that light-emitting diode 2 is encapsulated, simultaneously above the concavity groove 11 of cooling base 1, group is provided with the optical lens mirror holder 3 of a central hole 32 place's tool optical lenses 33, and then the cooling base 1 by tool insulating film layer 15, and can not need to establish in addition other PC plate or insulant, directly on cooling base 1, establish light-emitting diode 2 and conductive metal sheet 141, and can make the thermal source of light-emitting diode 2 directly carry out heat exchange by cooling base 1, and then significantly improve the radiating efficiency of light-emitting diode 2, and tool simplifies member to enhance productivity, aforementioned this tool optical lens 33 is except that with optical lens mirror holder 3 separates, also can be with optical lens 33 and optical lens mirror holder 3 one-body molded making (as shown in Figure 4), and optical lens mirror holder 3 except that can adhesive means directly with cooling base 1 combines, also can form at least one group of clasp 31 that extends downwards at these optical lens mirror holder 3 peripheries, and can when assembling, clasp 31 embeddings be located at the groove 12 of cooling base 1 both sides and make the breach 13 of clasp 31 fasteners at groove 12 root edge sides, and then optical lens mirror holder 3 and cooling base 1 are integrally combined, the lead 21 of aforementioned connection conductive metal sheet 141 and light-emitting diode 2, the one end is the extension kink 1411 that is connected each conductive metal sheet 141, and this extension kink 1411 is the bogging down areas that sink to down in the cooling base 1, therefore be difficult for making two leads 21 to be damaged in the course of processing, and then significantly reduce the defective products rate, at wherein one side of each cooling base 1 sidepiece, be provided with one and tiltedly lack limit 16, in order to just distinguishing, negative pole end.
See also shown in Figure 7 again, it is not establish insulating film layer 15 at cooling base 1 concavity groove 11 inner bottom parts, and at the gold-plated tin layer 22 in concavity groove 11 bottoms, and light-emitting diode 2 directly is welded on this concavity groove 11 places, and reach fixing, the utility model can be on cooling base 1 both sides, reach conductive metal sheet 141 below and all establish the concave point 18 that to detain fixed bit, 145 or establish at cooling base 1 both sides end face and to establish unidirectional cramp 146 on catching groove 19 and the conductive metal sheet 141, and make conductive metal sheet 141 can detain fixed bit in cooling base 1 both sides (as Fig. 8 A, Fig. 8 B, shown in Fig. 9 A and Fig. 9 B).
See also at last shown in Figure 10 A and Figure 10 B, be another embodiment of the utility model, it is in cooling base 1 central authorities, form a depressed part 111, surface at cooling base 1, processing has an insulating film layer 15, both sides at cooling base 1, be respectively equipped with a conductive metal sheet 141, and the extension kink 1412 that makes two conductive metal sheets 141 extends to nearly depressed part 111 centre, and can with light-emitting diode 2 oppositely with extension kink 1412 solder joint of two conductive metal sheets 141, simultaneously in depressed part 111, be filled with high light transmittance resin 4, so that light-emitting diode 2 is encapsulated, above the depressed part 111 of cooling base 1, group is provided with the optical lens mirror holder 3 of a central tool optical lens 33 simultaneously, and then the cooling base 1 by tool insulating film layer 15, and can not need to establish in addition other.
More than explanation is for this is novel just illustrative, and nonrestrictive, those of ordinary skills understand, and under the situation of the spirit and scope that do not break away from following claims and limited, can make many modifications, change, or equivalent.
Claims (16)
1. the radiator structure of a light-emitting diode is characterized in that, comprising:
One cooling base is formed with a pair of laminar concavity groove in the wherein one side of this cooling base, and on the surface of cooling base, handling has an insulating film layer;
One light-emitting diode is the concavity groove inner bottom part that is installed in described cooling base;
One group of conductive metal sheet is provided in a side of the both sides of aforementioned cooling base, and is connected with two utmost points of described light-emitting diode with a lead respectively;
The high light transmittance resin is to be filled in the concavity groove of described cooling base, so that this light-emitting diode is encapsulated;
One optical lens mirror holder, it is that group is located at described cooling base top, is provided with a central hole thereon, is provided with an optical lens at this central hole place.
2. according to the radiator structure of the described light-emitting diode of claim 1, it is characterized in that this optical lens and the optical lens mirror holder is one-body molded makes.
3. according to the radiator structure of the described light-emitting diode of claim 1, it is characterized in that, form at least one group of clasp that extends downwards at this optical lens mirror holder periphery, and be provided with the corresponding groove that embeds for optical lens mirror holder clasp in the cooling base both sides, and be equipped with for optical lens mirror holder clasp at each groove root edge side and buckle the breach of fixed bit, and then optical lens mirror holder and cooling base are integrally combined.
4. according to the radiator structure of the described light-emitting diode of claim 1, it is characterized in that handling with local mode according to required insulated part on the surface of this cooling base has an insulating film layer.
5. according to the radiator structure of the described light-emitting diode of claim 1, it is characterized in that, this cooling base be for the splendid metal material of heat exchange made.
6. according to the radiator structure of the described light-emitting diode of claim 1, it is characterized in that, form depressed part in the both sides of cooling base, and make the quick clip of each conductive metal sheet be positioned at this depressed part place.
7. according to the radiator structure of the described light-emitting diode of claim 1, it is characterized in that, the cooling base both sides wherein the one side on, respectively be formed with a projection, and on conductive metal sheet, establish a hole, and after making this projection pass the conductive metal sheet hole after the combination, and the projection end given punching press, and make conductive metal sheet the riveted mode be combined in the cooling base both sides.
8. according to the radiator structure of the described light-emitting diode of claim 1, it is characterized in that, in the above and below of cooling base both sides and conductive metal sheet, all establish the concave point that can detain fixed bit, make the conductive metal sheet clip when the cooling base both sides, can detain fixed bit mutually by pairing concave point.
9. according to the radiator structure of the described light-emitting diode of claim 1, it is characterized in that, be provided with catching groove and be provided with unidirectional cramp in the conductive metal sheet upper punch at cooling base both sides end face, it is solid at the set catching groove of cooling base both sides end face to make the conductive metal sheet clip can pass through unidirectional cramp button when the cooling base both sides.
10. according to the radiator structure of the described light-emitting diode of claim 1, it is characterized in that, can fit at this conductive metal sheet, electroplate, printing or coating method be located on the cooling base both sides.
11. the radiator structure according to the described light-emitting diode of claim 1 is characterized in that, the extension kink of this each conductive metal sheet is the bogging down area that sinks to down in this cooling base after making up with this cooling base.
12. the radiator structure according to the described light-emitting diode of claim 1 is characterized in that, makes golden tin layer in this cooling base bottom surface, and it can be welded on the relatively large cooling base, but the radiating efficiency of Da Gengjia.
13. the radiator structure according to the described light-emitting diode of claim 1 is characterized in that, in a wherein distolateral portion of this cooling base, is provided with one and tiltedly lacks the limit, in order to distinguishing positive and negative extreme.
14. the radiator structure of a light-emitting diode is characterized in that, comprising:
One cooling base is formed with a depressed part in the wherein one side of this cooling base, and on the surface of cooling base, handling has an insulating film layer;
One group of conductive metal sheet is provided in a side of the both sides of aforementioned cooling base, and the opposite end of each conductive metal sheet is respectively equipped with corresponding extension kink, and each extends kink and extends to the nearly centre of aforementioned cooling base depressed part;
One light-emitting diode, its two electrode contact are the extension kink solder joint with aforementioned two conductive metal sheets;
The high light transmittance resin is to be filled in the depressed part of aforementioned cooling base, so that this light-emitting diode is encapsulated; And
One optical lens mirror holder, it is that group is located at aforementioned cooling base top, is provided with a central hole thereon, is provided with an optical lens at this central hole place.
15. the radiator structure according to the described light-emitting diode of claim 14 is characterized in that, this optical lens and optical lens mirror holder can one-body moldedly be made.
16. the radiator structure according to the described light-emitting diode of claim 14 is characterized in that, this cooling base be for the splendid metal material of heat exchange made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200081902U CN2899117Y (en) | 2006-03-17 | 2006-03-17 | Radiating structure of light-emitting diodes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200081902U CN2899117Y (en) | 2006-03-17 | 2006-03-17 | Radiating structure of light-emitting diodes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2899117Y true CN2899117Y (en) | 2007-05-09 |
Family
ID=38074449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200081902U Expired - Fee Related CN2899117Y (en) | 2006-03-17 | 2006-03-17 | Radiating structure of light-emitting diodes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2899117Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8092048B2 (en) | 2008-10-30 | 2012-01-10 | Fu Zhen Precision Industry (Shen Zhen) Co., Ltd. | LED lamp |
-
2006
- 2006-03-17 CN CNU2006200081902U patent/CN2899117Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8092048B2 (en) | 2008-10-30 | 2012-01-10 | Fu Zhen Precision Industry (Shen Zhen) Co., Ltd. | LED lamp |
| CN101725937B (en) * | 2008-10-30 | 2012-06-13 | 富准精密工业(深圳)有限公司 | Light-emitting diode lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070509 Termination date: 20100317 |