CN204441282U - A kind of COB light source technical field with excellent heat dispersion performance for outdoor lighting - Google Patents
A kind of COB light source technical field with excellent heat dispersion performance for outdoor lighting Download PDFInfo
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- CN204441282U CN204441282U CN201520064101.5U CN201520064101U CN204441282U CN 204441282 U CN204441282 U CN 204441282U CN 201520064101 U CN201520064101 U CN 201520064101U CN 204441282 U CN204441282 U CN 204441282U
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- ceramic substrate
- conducting channel
- heat dispersion
- bonding area
- tin layers
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Abstract
The utility model relates to a kind of COB light source with excellent heat dispersion performance for outdoor lighting, comprise ceramic substrate, the first conducting channel being located at ceramic substrate upper surface and the insulating barrier be located in the first conducting channel, insulating barrier is provided with crystal bonding area, crystal bonding area is packaged with LED chip, LED chip is electrically connected with described first conducting channel, the corresponding ceramic substrate position of described first conducting channel is provided with hole slot, described ceramic substrate lower surface is provided with the second conducting channel, described second conducting channel is positioned at the orthographic projection position of described first conducting channel at described ceramic substrate, metallic conduction material is filled in described hole slot, realize being communicated with of the first circuit and second circuit, described second circuit welds the first tin layers, described ceramic substrate lower surface is also welded with the second tin layers, and described second tin layers is positioned at the orthographic projection position of described crystal bonding area at described ceramic substrate, and it is large that the utility model has power concurrently, can meet light intensity demand, heat dispersion is good, advantage that cost is low.
Description
Technical field
The utility model relates to optics industry technology field, is specifically related to a kind of COB light source with excellent heat dispersion performance for outdoor lighting.
Background technology
At present, LED light source for road lighting mainly contains two kinds, one is integrated form packaged LED, by one single chip or multiple chip crystal-bonding adhesive are directly fixed on substrate, p and n two electrodes of LED chip are then bonded on the sheet copper on substrate top layer, according to the number size determination base of power demand arranging led chip, and the LED being packaged into various power capable of being combined, although this LED power is high, heat radiation extreme difference; Another kind is adopting surface mounted LED, and by multiple LED combination being used, but this kind of LED power is little, and light intensity is inadequate.
Traditional COB heat radiation adopts thermal paste bonding with fin usually, and radiating effect depends on the thermal transmission coefficient of thermal paste, for manufacturer, adopts the thermal paste of high heat transfer coefficient to improve production cost.
Therefore, both accessible site was high-power to be necessary to provide one, have again the LED light source of excellent heat dispersion performance concurrently for outdoor lighting, and production cost was lower.
Utility model content
In view of above-mentioned the deficiencies in the prior art part, the purpose of this utility model is to provide a kind of COB light source with excellent heat dispersion performance for outdoor lighting, has power concurrently large, can meet light intensity demand, heat dispersion is good, advantage that cost is low.
In order to achieve the above object, the utility model takes following technical scheme: a kind of COB light source with excellent heat dispersion performance for outdoor lighting of the present utility model, comprise ceramic substrate, the first conducting channel being located at ceramic substrate upper surface and the insulating barrier be located in the first conducting channel, insulating barrier is provided with crystal bonding area, crystal bonding area is packaged with LED chip, LED chip is electrically connected with described first conducting channel, the corresponding ceramic substrate position of described first conducting channel is provided with hole slot, described ceramic substrate lower surface is provided with the second conducting channel, described second conducting channel is positioned at the orthographic projection position of described first conducting channel at described ceramic substrate, metallic conduction material is filled in described hole slot, realize being communicated with of the first circuit and second circuit, described second circuit welds the first tin layers, described ceramic substrate lower surface is also welded with the second tin layers, and described second tin layers is positioned at the orthographic projection position of described crystal bonding area at described ceramic substrate.
Preferably, described metallic conduction material is copper or silver.
The beneficial effects of the utility model are: the utility model provides a kind of COB light source with excellent heat dispersion performance for outdoor lighting, have power concurrently large, can meet light intensity demand, heat dispersion is good, advantage that cost is low.
Accompanying drawing explanation
Fig. 1 is the utility model cross-sectional view.
Fig. 2 is the utility model vertical view.
Fig. 3 is the utility model upward view.
Embodiment
The utility model provides a kind of COB light source with excellent heat dispersion performance for outdoor lighting, for making the purpose of this utility model, technical scheme and effect better clear, clear and definite, below with reference to accompanying drawing examples, the utility model is further described, be to be understood that, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model cross-sectional view.
Fig. 2 is the utility model vertical view.
Fig. 3 is the utility model upward view.
As shown in Figure 1-Figure 3, a kind of COB light source with excellent heat dispersion performance for outdoor lighting of the present utility model, comprise ceramic substrate 1, the first conducting channel 2 being located at ceramic substrate upper surface and the insulating barrier 3 be located in the first conducting channel, insulating barrier 3 is provided with crystal bonding area 4, crystal bonding area 4 is packaged with LED chip 5, LED chip 5 is electrically connected with the first conducting channel 2, the position of the corresponding ceramic substrate 1 of the first conducting channel 2 is provided with hole slot 6, ceramic substrate 1 lower surface is provided with the second conducting channel 7, second conducting channel 7 is positioned at the orthographic projection position of the first conducting channel 2 at ceramic substrate 1, metallic conduction material is filled in hole slot 6, realize being communicated with of the first conducting channel 2 and the second conducting channel 7, second conducting channel 7 welds the first tin layers 8, ceramic substrate 1 lower surface is also welded with the second tin layers 9, second tin layers 9 and is positioned at the orthographic projection position of crystal bonding area 4 at ceramic substrate 1.
As optimum embodiment, the metallic conduction material described in the present embodiment can be copper or aluminium.
In the crystal bonding area of the utility model product, the multiple LED chip of accessible site, meets multiple power demand, and the second conducting channel 7 is electrically connected with the first conducting channel 2 by the metallic conduction material in hole slot 6, and then realizes being connected with the p pole of LED chip 5 and n pole; On the utility model fixed installation copper-aluminum composite board, the second tin layers 9 is connected with the metal level of copper-aluminum composite board, and in the second conducting channel 7, the first tin layers 8 is electrically connected with external circuit on copper-aluminum composite board; During work, the utility model crystal bonding area will produce a large amount of heat, and heat is directly conducted to the second tin layers 9 by ceramic substrate 1, conduct to copper-aluminum composite board metal level by the second tin layers 9, due to the heat conductivity of metal, can realize quick heat radiating, the first tin layers 8 can play auxiliary heat dissipation effect simultaneously.
The above embodiment only have expressed a kind of execution mode of the present utility model; it describes comparatively concrete and detailed; but therefore can not be interpreted as the restriction to the utility model the scope of the claims; it should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility; some distortion and improvement can also be made; these all belong to protection range of the present utility model, and therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (2)
1. the COB light source with excellent heat dispersion performance for outdoor lighting, comprise ceramic substrate, the first conducting channel being located at ceramic substrate upper surface and the insulating barrier be located in the first conducting channel, insulating barrier is provided with crystal bonding area, crystal bonding area is packaged with LED chip, LED chip is electrically connected with described first conducting channel, it is characterized in that: the corresponding ceramic substrate position of described first conducting channel is provided with hole slot, described ceramic substrate lower surface is provided with the second conducting channel, described second conducting channel is positioned at the orthographic projection position of described first conducting channel at described ceramic substrate, metallic conduction material is filled in described hole slot, realize being communicated with of the first circuit and second circuit, described second circuit welds the first tin layers, described ceramic substrate lower surface is also welded with the second tin layers, and described second tin layers is positioned at the orthographic projection position of described crystal bonding area at described ceramic substrate.
2. a kind of COB light source with excellent heat dispersion performance for outdoor lighting according to claim 1, is characterized in that: described metallic conduction material is copper or silver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520064101.5U CN204441282U (en) | 2015-01-30 | 2015-01-30 | A kind of COB light source technical field with excellent heat dispersion performance for outdoor lighting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520064101.5U CN204441282U (en) | 2015-01-30 | 2015-01-30 | A kind of COB light source technical field with excellent heat dispersion performance for outdoor lighting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204441282U true CN204441282U (en) | 2015-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520064101.5U Expired - Fee Related CN204441282U (en) | 2015-01-30 | 2015-01-30 | A kind of COB light source technical field with excellent heat dispersion performance for outdoor lighting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204441282U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070692A (en) * | 2015-07-29 | 2015-11-18 | 常熟市银洋陶瓷器件有限公司 | Double-sided ceramic plate |
-
2015
- 2015-01-30 CN CN201520064101.5U patent/CN204441282U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070692A (en) * | 2015-07-29 | 2015-11-18 | 常熟市银洋陶瓷器件有限公司 | Double-sided ceramic plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20180130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |