CN202972657U - Substrate-free LED (Light Emitting Diode) lamp - Google Patents
Substrate-free LED (Light Emitting Diode) lamp Download PDFInfo
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- CN202972657U CN202972657U CN201220661415XU CN201220661415U CN202972657U CN 202972657 U CN202972657 U CN 202972657U CN 201220661415X U CN201220661415X U CN 201220661415XU CN 201220661415 U CN201220661415 U CN 201220661415U CN 202972657 U CN202972657 U CN 202972657U
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Abstract
The utility model discloses a substrate-free LED (Light Emitting Diode) lamp which comprises a base and a plurality of LED lamp beads arranged on the base. The base is provided with a metal coating a and a metal coating b. The metal coating a forms a circuit layer and the metal coating b forms a heat conducting layer. Pins of the LED lamp beads are welded on the metal coating a and the LED lamp beads and the metal coating a form a conductive path. The bottoms of the LED lamp beads cling to the metal coating b, so that heat of the LED lamp beads is conveniently transferred. The lamp provided by the utility model is simple in structure, good in radiating effect and low in manufacturing cost by forming the circuit layer and the heat conducting layer on the base by laser etching and chemical plating methods.
Description
Technical field
The utility model relates to LED lamp technical field, particularly relate to a kind of without substrate and good heat dissipation effect without substrate LED lamp.
Background technology
Along with the development and maturation of LED technology, the index of LED improves day by day, and the LED illuminating product is long with its life-span, and the characteristics such as energy-conserving and environment-protective have obtained increasing application.Single LED lamp heating is relatively concentrated, and the heat of generation is larger, and it is crucial solving heat dissipation problem.
But at present mostly the LED lamp is the bead weld of LED lamp is connected on aluminium base or ceramic substrate, then aluminium base or ceramic substrate are connected with bearing, therefore, between LED lamp pearl and bearing every one deck aluminium base or ceramic substrate.Due to the existence of aluminium base or ceramic substrate, increased the thermal resistance between LED lamp pearl and bearing, reduced the effect of heat radiation, cause greatly shorten the service life of LED lamp pearl.In addition, simultaneously high, the complex manufacturing technology of the cost of aluminium base, electrical insulation capability are relatively poor; Ceramic substrate needs high temperature sintering moulding, complex process, expensive, bad mechanical property and frangible.Therefore, high, the complex manufacturing technology of complex structure, the manufacturing cost of present LED lamp and radiating effect are bad.
The utility model content
Based on this, be necessary the problem for the shortcoming of prior art, provide that a kind of it is simple in structure without substrate LED lamp, good heat dissipation effect, cost of manufacture is low.
A kind of without substrate LED lamp, comprise base and be located at some LED lamp pearls on described base; Described base is provided with coat of metal a and coat of metal b, and described coat of metal a forms circuit layer, and described coat of metal b forms heat-conducting layer; The pin of described LED lamp pearl is welded on described coat of metal a, and described LED lamp pearl and coat of metal a form conductive path, and described coat of metal b is close in the bottom of described LED lamp pearl, is convenient to the conduction of LED lamp pearl heat.
Therein in embodiment, described base is the ambroin of alternative metallization, high temperature resistant, high heat conduction.
In embodiment, the thickness of described coat of metal a is 0.005mm ~ 0.2mm therein.
In embodiment, the thickness of described coat of metal b is 0.05mm ~ 0.4mm therein.
Above-mentioned without substrate LED lamp, its reasonable in design, simple, do not need to use circuit substrate, only need to offer circuit layer on described base and heat-conducting layer gets final product, the pin of described LED lamp pearl is welded on described circuit layer, described heat-conducting layer is close in the bottom of described LED lamp pearl, so that the heat of described LED lamp pearl conduction.
Cost of manufacture of the present utility model is low, good heat dissipation effect, and manufacture craft is simple, reliable.Described LED lamp pearl by described coat of metal b heat conduction, has been saved material and production cost by described coat of metal a conducting.
Description of drawings
Fig. 1 is structure side view of the present utility model;
Fig. 2 is structure top view of the present utility model.
Below the explanation of the utility model parts sign flag:
The specific embodiment
For further understanding feature of the present utility model, technological means and the specific purposes that reach, function, resolve advantage of the present utility model and spirit, by below in conjunction with accompanying drawing and the specific embodiment, detailed description of the present utility model being further understood.
A kind of without substrate LED lamp, comprise base 10 and be located at some LED lamp pearls 20 on described base 10.Described base 10 is provided with coat of metal a 11 and coat of metal b 12, and coat of metal a 11 forms the circuit layer that makes 20 conductings of described LED lamp pearl, and coat of metal b 12 forms heat-conducting layer.The pin 21 of LED lamp pearl 20 is welded on coat of metal a 11, forms conductive path with coat of metal a 11.Coat of metal b 12 is close in the bottom of LED lamp pearl 20, and what be convenient to LED lamp pearl 20 heats conducts to base 10.
This base 10 is the ambroin of selective metallization, high temperature resistant, high heat conduction.Ambroin adopts one or more in polyethylene, polypropylene, polystyrene, polyvinyl chloride, polymethyl methacrylate, PETG, polybutylene terephthalate (PBT), polyamide, Merlon, acrylonitrile-butadiene-styrene copolymer, polyimides, polyamide-imides, polyurethane, polyformaldehyde, polyether sulfone, polyphenylene sulfide, haloflex, s-B-S block polymer, polyphenylene oxide.Ambroin preferred polyamide, its resistance to elevated temperatures can make base 10 at high temperature not yielding; Its high-termal conductivity, the heat of being convenient to these LED lamp pearl 20 generations distributes by base 10 fast, extends the service life of LED lamp.
The power of described LED lamp pearl 20 is 0.5～10W.This coat of metal a 11 and coat of metal b 12 intervals settings, the thickness of coat of metal a 11 is 0.005mm ~ 0.2mm; The thickness of coat of metal b 12 is 0.05mm ~ 0.4mm.
This coat of metal a is one or more in Cu, Au, Ni, Co, Fe, Zn, Pd, Pt, Ru, Rh, Re, Os, Ir.
This coat of metal b is one or more in Cu, Au, Ni, Co, Fe, Zn, Pd, Pt, Ru, Rh, Re, Os, Ir.
Above-mentioned preparation method without substrate LED lamp comprises the steps:
1., at first with the exhausted plastic injection-moulded base 10 of making of selective metallization, high temperature resistant, high heat conduction;
2., draw on computers the circuit of coat of metal a and coat of metal b on base;
3., to adopt laser instrument be 1000nm with wavelength, energy is 200mJ/cm
2The laser focusing bundle be incident upon on described base 10, and according to above-mentioned circuit, described base 10 is carried out laser-induced thermal etching under the sweep speed of 0.5mm/s, physical-chemical reaction occurs in the place that described base 10 is crossed by laser projection, restores metal ion, forms the metal nucleus; And form one by etching and increase the subordinate list face, make coat of metal a 11 and coat of metal b 12 bonding more firm with ambroin;
4., the method that adopts chemical plating forms several coats of metal a 11 and coat of metal b 12 in the laser-induced thermal etching district, the thickness of coat of metal a 11 is 0.1mm; The thickness of coat of metal b 12 is 0.2mm; Adopt the method for chemical plating to make the uniformity of coat of metal a 11 and coat of metal b 12 better, corrosion resistance and the service life that can improve the LED lamp;
5., after described coat of metal a 11 and coat of metal b 12 formation, LED lamp pearl 20 is welded in beginning on base 10, coat of metal b 12 is close in the bottom of LED lamp pearl 20, and the pin 21 of described LED lamp pearl 20 is welded on described coat of metal a 11, make between LED lamp pearl 20 and coat of metal a 11 and form conductive path;
6., complete preparation without substrate LED lamp.
In sum, the utility model reasonable in design, simple, and manufacture craft is simple, reliable, does not need to use circuit substrate only needs to offer circuit layer on described base 10 and heat-conducting layer gets final product.The pin 21 of described LED lamp pearl 20 is welded on described circuit layer, and described heat-conducting layer is close in the bottom of described LED lamp pearl 20, and not only the preparation method is simple, convenient, and is convenient to the heat conduction of LED lamp pearl 20, good heat dissipation effect.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (4)
1. one kind without substrate LED lamp, it is characterized in that, comprises base and is located at some LED lamp pearls on described base; Described base is provided with coat of metal a and coat of metal b, and described coat of metal a forms circuit layer, and described coat of metal b forms heat-conducting layer; The pin of described LED lamp pearl is welded on described coat of metal a, and described LED lamp pearl and coat of metal a form conductive path, and described coat of metal b is close in the bottom of described LED lamp pearl, is convenient to the conduction of LED lamp pearl heat.
2. according to claim 1ly it is characterized in that without substrate LED lamp, described base is the ambroin of metallization, high heat-resisting, high heat conduction.
3. according to claim 1ly it is characterized in that without substrate LED lamp, the thickness of described coat of metal a is 0.005mm ~ 0.2mm.
4. according to claim 1ly it is characterized in that without substrate LED lamp, the thickness of described coat of metal b is 0.05mm ~ 0.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220661415XU CN202972657U (en) | 2012-12-03 | 2012-12-03 | Substrate-free LED (Light Emitting Diode) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220661415XU CN202972657U (en) | 2012-12-03 | 2012-12-03 | Substrate-free LED (Light Emitting Diode) lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202972657U true CN202972657U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220661415XU Expired - Lifetime CN202972657U (en) | 2012-12-03 | 2012-12-03 | Substrate-free LED (Light Emitting Diode) lamp |
Country Status (1)
| Country | Link |
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| CN (1) | CN202972657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980066A (en) * | 2012-12-03 | 2013-03-20 | 东莞市信诺橡塑工业有限公司 | Substrate-free LED (Light-Emitting Diode) lamp and preparation method thereof |
-
2012
- 2012-12-03 CN CN201220661415XU patent/CN202972657U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980066A (en) * | 2012-12-03 | 2013-03-20 | 东莞市信诺橡塑工业有限公司 | Substrate-free LED (Light-Emitting Diode) lamp and preparation method thereof |
| CN102980066B (en) * | 2012-12-03 | 2015-08-19 | 东莞市信诺橡塑工业有限公司 | Without substrate LED and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 355 No. 523850 Guangdong city in Dongguan Province town of Changan Wusha Cun BBK Avenue Patentee after: GUANGDONG SINOPLAST ADVANCED MATERIAL CO.,LTD. Address before: 355 No. 523850 Guangdong city in Dongguan Province town of Changan Wusha Cun BBK Avenue Patentee before: DONGGUAN SINOPLAST INDUSTRIAL Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 523850 Baibugao Avenue, Wushajiang, Chang'an Town, Dongguan City, Guangdong Province, 355 Patentee after: Guangdong Sinoplast New Materials Co.,Ltd. Address before: 523850 Baibugao Avenue, Wushajiang, Chang'an Town, Dongguan City, Guangdong Province, 355 Patentee before: GUANGDONG SINOPLAST ADVANCED MATERIAL CO.,LTD. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |