CN202353936U - Light emitting diode (LED) circuit board module - Google Patents
Light emitting diode (LED) circuit board module Download PDFInfo
- Publication number
- CN202353936U CN202353936U CN2011202564462U CN201120256446U CN202353936U CN 202353936 U CN202353936 U CN 202353936U CN 2011202564462 U CN2011202564462 U CN 2011202564462U CN 201120256446 U CN201120256446 U CN 201120256446U CN 202353936 U CN202353936 U CN 202353936U
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- Prior art keywords
- led
- wiring board
- circuit board
- main traverse
- traverse line
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- 238000004519 manufacturing process Methods 0.000 abstract description 10
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 17
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- 230000007613 environmental effect Effects 0.000 description 3
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- 239000007769 metal material Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000013039 cover film Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- ALKZAGKDWUSJED-UHFFFAOYSA-N dinuclear copper ion Chemical compound [Cu].[Cu] ALKZAGKDWUSJED-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
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- 230000008719 thickening Effects 0.000 description 1
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Abstract
The utility model relates to an LED circuit board module, specifically provides an LED circuit board module, which comprises one or a plurality of LED circuit boards (1), wherein each LED circuit board (1) is provided with a plurality of LED serial groups; each LED serial group comprises a plurality of serially connected LEDs (2); the plurality of LED serially connected groups are connected to an anode circuit (5) and a cathode circuit (6) of the LED circuit board (1) in parallel; a certain distance is separated from an anode main lead (3), a cathode main lead (4) and the LED circuit board (1); the anode circuit (5) is connected to the anode main lead (3) through an anode connection lead (13); and the cathode circuit (6) is connected to the cathode main lead (4) through a cathode connection lead (14). The LED circuit board module disclosed by the utility model reduces the manufacturing cost and has high heat radiation performance; the product reliability and actual working service life are greatly improved; and the working period is also greatly prolonged.
Description
Technical field
The utility model relates to LED wiring board field, is specifically related to a kind of new LED circuit board module.
Background technology
In the LED of prior art wiring board; The main line of the LED wiring board product of this prior art just in the circuit board; That is, with the main line that is positioned at the wiring board dual-side of wiring board one, main line itself is exactly the part of the conducting wire layer of wiring board exactly; Being generally Copper Foil, mainly is to be used for the operating current of directing LED.
In practical application; LED wiring board for this prior art; The LED lamp that general employing is about 3 is connected into one group, on the LED wiring board, forms some LED lamp series like this, leans on the main line on wiring board product both sides that these LED lamp series are together in parallel then.
Be typically, the head end of wiring board product and end all have positive-negative polarity (promptly being arranged to both positive and negative polarity), and when practical application, directly joining end to end gets final product.
But, unsuitable long when therefore connecting because unavoidably there is resistance when long in the LED wiring board, otherwise can cause excessive voltage attenuation.
And if the LED wiring board is long, the LED lamp series of parallel connection is too much; The main line of wiring board both sides needs the excessive electric current of load; Cause excessive heating, these heats are difficult for dissipating fast together with the heat of LED lamp work itself; Cause LED lamp working temperature too high, so the luminescent properties and the reliability that influence the LED lamp with and useful life.
For this reason, the wiring board of prior art usually adopts broad and thicker copper foil circuit layer, because the cost of Copper Foil is high, this unavoidably can cause higher material cost, and its final heat dispersion and functional reliability are unsatisfactory.For example, the LED wiring board of this prior art is in practical application, and the total length after it connects generally is no more than 5 meters; Otherwise voltage attenuation is too much, be difficult to guarantee all LED lamp normal working voltages, and caloric value is excessive; Radiating effect is bad, is difficult to be applied in the application scenario of high requirement.
In view of the above, press for a kind of new LED circuit board module in this area, with alleviate or even avoid above-mentioned defective; Its cost of manufacture reduces; Perfect heat-dissipating, reliability of products and real work life-span all improve greatly, and its active length also can prolong greatly.
Based on these problems of the prior art, and the utility model has been proposed.
The utility model content
In view of the above, the utility model has been proposed.The utility model is intended to solve above technical problem with other.
According to the one side of the utility model, the LED circuit board module of the utility model can be designed to make that the two ends of LED wiring board product are opposed polarity, and for example an end is (+) utmost point just, and the other end is negative (-) utmost point.LED in this single hop LED wiring board all is together in series, and promptly forms series circuit.
This kind LED wiring board product is equivalent to cancel former main line, directly is together in series the lamp resistance in the middle of the wiring board.
According to the LED circuit board module of the utility model, two main lines (for example being general copper BRV line) in use is set separately at the two ends of LED wiring board product, serve as the both positive and negative polarity supply lines of product.The both positive and negative polarity of then that each is independent LED wiring board links to each other with two main lines (being respectively both positive and negative polarity), can realize the function of the LED circuit board module of the utility model.
As a preferred embodiment; Connected mode between LED wiring board that each is independent and the shared both positive and negative polarity main line can be arranged to parallel way; That is, each independent LED wiring board can be designed to be connected into one group with the LED more than 3, becomes parallel circuits with main line again.
Certainly; As another preferred embodiment; Each independent LED wiring board can be designed to make that mounted LEDs is connected into a LED series with the LED more than 3 on it; Such LED series can be two or more, and these LED series are arranged on each independent LED wiring board, are connected accordingly with shared both positive and negative polarity main line separately in parallel again.A kind of concrete connected mode is correspondingly to weld pad and corresponding shared main line on each independent LED wiring board with connecting conducting line segment.
More specifically; One side according to the utility model; The utility model provides a kind of LED circuit board module; Comprise: one or more LED wiring boards, on each LED wiring board, a plurality of LED are installed, said a plurality of LED are connected in series on the anodal circuit and negative pole circuit of said LED wiring board; Article one, independent anodal main traverse line and an independent negative pole main traverse line, wherein said anodal main traverse line, negative pole main traverse line separate certain distance ground with said one or more LED wiring boards and arrange; Wherein, the anodal circuit of each LED wiring board passes through the anodal lead that connects and is connected with said anodal main traverse line conduction, and the negative pole circuit of each LED wiring board is connected with negative pole main traverse line conduction through negative pole connection lead.
According to the utility model on the other hand; The utility model also provides a kind of LED circuit board module; Comprise: one or more LED wiring boards; Each LED wiring board is provided with a plurality of LED series, and wherein each said LED series all comprises a plurality of LED coupled in series, and said a plurality of LED series is connected on the anodal circuit and negative pole circuit of said LED wiring board in parallel; Article one, independent anodal main traverse line and an independent negative pole main traverse line, wherein said anodal main traverse line, negative pole main traverse line separate certain distance ground with said one or more LED wiring boards and arrange; Wherein, the anodal circuit of each LED wiring board passes through the anodal lead that connects and is connected with said anodal main traverse line conduction, and the negative pole circuit of each LED wiring board is connected with negative pole main traverse line conduction through negative pole connection lead.
According to an embodiment of the utility model, said LED wiring board is processed by single-sided flexible circuit board, double-faced flexible wiring board or multi-layer flexible circuit board.
According to another embodiment of the utility model, anodal main traverse line and negative pole main traverse line are the plain conductors of unlimited continuous length.
According to another embodiment of the utility model, the pad that is arranged on each LED wiring board two ends connects lead and is connected with anodal main traverse line, negative pole main traverse line conduction respectively through corresponding anodal connection lead, negative pole.
According to another embodiment of the utility model, the thickness of the line layer of said LED wiring board is more than 0.01 millimeter, and the width of said LED wiring board is more than 3.5 millimeters.
The LED circuit board module of the utility model can pass through encapsulating and handle, and becomes the Waterproof LED circuit board module of embedding.
The LED circuit board module cost of manufacture of the utility model reduces, perfect heat-dissipating, and reliability of products and real work life-span all improve greatly, and its active length also prolongs greatly.
In following description, with the details of the one or more embodiment that set forth the utility model to accompanying drawing and embodiment.From these descriptions, accompanying drawing and claim, can know the other features, objects and advantages of the utility model.
Description of drawings
Through combining following this specification of advantages, it is more obvious that the characteristic of the utility model, purpose and advantage will become, and accompanying drawing specifies as follows.
Fig. 1 is the sketch map according to the LED wiring board of the utility model one embodiment, is shown as the FPC (FPC) that is welded with LED in the present embodiment.
Fig. 2 is the sketch map that the LED circuit board module of common wire is set on LED wiring board shown in Figure 1 both sides according to the utility model one embodiment, has shown that conduction is connected two public both positive and negative polarity leads through the connection conducting line segment and at the two ends of LED wiring board shown in Figure 1 (both positive and negative polarity).
Embodiment
Below will be to be applicable to that the flexible print circuit board that LED and other element are installed is that specific embodiment comes the utility model is described in more detail.Should be appreciated that the utility model is not only applicable to the single-sided flexible printed substrate, also be applicable to double-sided flexible printed circuit board or multilayer LED wiring board, and also be applicable to rigidity wiring board (being also referred to as " hardboard " in the industry).
The one side that term " single-sided flexible printed substrate " only refers at this flexible print circuit board is provided with circuit.Term " double-sided flexible printed circuit board " refers on the two sides of this flexible print circuit board and all is provided with circuit.
Before describing the utility model in detail, it will be appreciated by those skilled in the art that " element " should do the understanding on the most wide in range connotation in this application; Promptly comprise all types of elements that are used for electronic component, electric component or other type of circuit; For example various resistance, the element of various surface mount (SMT) type, the element of support rack type, various high power devices or the like; Comprise great power LED, or the like.
In addition, term " wiring board " and " circuit board " can use in the application with exchanging.
Below in conjunction with accompanying drawing and embodiment the manufacturing process of the LED circuit board module of the utility model is done further to specify with structure.
One typical process flow of the LED wiring board of prior art is following.
Open material and (open base material; Base material is the base material of two-sided 1 ounce (OZ), the base material here refer to by the PI of the glue of two-layer 1OZ Copper Foil, two-layer 25 micron thick and one deck 25 micron thick totally 5 layers form)-boring (brill base material)-heavy copper-copper facing-exposure-development-etching-paste epiphragma (the positive and negative coverlay is attached on the wiring board after the etching simultaneously)-pressing-baking-silk-screen-electrical measurement-anti-oxidation-profile-FQC-packing-shipment.
Auxilliary flow process is: open material (positive and negative coverlay)-boring (boring the positive and negative coverlay)--change over to and paste the epiphragma operation.
According to a preferred embodiment of the utility model, at first make single hop LED wiring board 1 as shown in Figure 1, the preferred typical process flow of one of which is following.
Open material: metal materials such as () pure copper foil and--bore the Copper Foil location hole and--Copper Foil is carried out laser cutting----paste positive and negative coverlay-pressing--literal-electrical measurement-anti-oxidation---profile-FQC-packing
Auxilliary flow process: open material (positive and negative coverlay)--boring (brill top ground cover film)--change over to mount for use.
As stated, those skilled in the art obviously can know, this manufacture craft does not relate to the technology of the heavy copper, copper facing, exposure, development, etching of prior art or the like contaminated environment at all, so very environmental protection.Moreover, its manufacture craft is simplified greatly, has deleted the processing step of many prior aries, so the whole manufacture craft of LED wiring board not only has unrivaled superiority aspect environmental protection, and the cost of its manufacture craft also reduces greatly.
Like this, just can obtain single face wiring board 1 as shown in Figure 1, wherein on the single face Copper Foil of single face wiring board 1, form both positive and negative polarity circuit 5 and 6.
Then, can on single hop LED wiring board 1 shown in Figure 1, mount a plurality of LED 2 with technology commonly known in the art, as shown in Figure 1.
Two independent public (both positive and negative polarity) main traverse lines 3 and 4 are provided, and they are connected with single hop LED wiring board 1 conduction respectively.
According to an embodiment; Wiring board on each single hop LED wiring board 1 can adopt a plurality of LED lamps are designed to a LED series (being applicable to short single hop LED wiring board 1); The a plurality of LED series that perhaps are designed to be connected in parallel (being applicable to long single hop LED wiring board 1); Then through for example being arranged on the pad at each single hop LED wiring board 1 two ends, and link to each other with 4 with public (both positive and negative polarity) main traverse line 3 respectively with 14, promptly via connecting conducting line segment 13; Realized with public (both positive and negative polarity) main traverse line 3 with 4 with wiring board 1 on both positive and negative polarity circuit 5 link to each other with 6, promptly obtained LED circuit board module as shown in Figure 2.Certainly, although in Fig. 2, only shown a single hop LED wiring board 1, those skilled in the art obviously are appreciated that can be at public (both positive and negative polarity) main traverse line 3 and 4 a plurality of single hop LED wiring boards 1 that are connected in parallel.
According to another embodiment, the two ends of single hop LED wiring board 1 are designed to different polarities, and promptly head end is+utmost point, and end is-utmost point, and the circuit of single hop LED wiring board 1 all is a series circuit, and promptly all components and parts such as LED and resistance all are in and are electrically connected in series.In this case, the structure of single hop LED wiring board 1 is equivalent to not use at work the conducting wire of prior art, directly adopts public (both positive and negative polarity) main traverse line 3 and 4 that components and parts such as LED lamp in the wiring board 12 and resistance are together in series.Like this, obviously the width and the thickness of the Copper Foil of wiring board can reduce as far as possible, to save cost.
As stated; This area the designer be appreciated that; LED circuit board module just because of the utility model can adopt two additional public main traverse lines to conduct electricity; Therefore no matter be width or its thickness of the Copper Foil in the wiring board, compare, can be designed to littler with the LED wiring board of prior art.Like this, just can reduce material cost greatly.
For example, the thickness of the conducting wire layer material of wiring board 1 (for example Copper Foil) can be reduced to 0.01 millimeter, certainly, can be designed so that also its thickness is more than 0.01 millimeter.
For example, the width of wiring board 1 can be reduced to 3.5 millimeters.Certainly, also can be designed to more than 3.5 millimeters as required.
The LED 2 that is suitable for being installed on the wiring board 1 can comprise various types of LED, and for example model is monochrome or RGB three-color LED lights such as 335,3528,5050, or the like.The model of resistance can be 0603,0805,0812, or the like.
Obviously, this area designer is appreciated that fully that according to different application scenarios and customer requirement the LED wiring board 1 of the utility model can comprise other various types of LED, resistance and other components and parts or the like.
For public (both positive and negative polarity) main traverse line 3 and 4, can form by any conductive metal or alloy material.It can be to be processed by conductive metal materials such as copper, aluminium, copper alloy, aluminium alloys.
In addition, as another preferred version, main traverse line 3 and 4 also can be wrapped through coil winding machine by some fine rules to be formed, and promptly forms twisted wire 3 and 4.The line diameter minimum of these some fine rules can be 0.01 millimeter.
The LED wiring board 1 and the main traverse line 3,4 of the utility model can pass through encapsulating and handle, and becomes the Waterproof LED circuit board module of embedding, and wherein wiring board 1 can be got up with the mode embedding of waterproof sealing by casting glue with main traverse line 3,4.
As stated, the design production decision of existing LED wiring board is metal (Copper Foil) thickening of leaning on product, can be through the ability of electric current to increase product.
But, according to the utility model, can use aforesaid connected mode to increase the rugosity (size) of main traverse line 3 and 4, and then improve the ability of main traverse line 3 and 4 loaded currents.
In sum,, can adopt the production technology of environmental protection LED wiring board and method to produce wiring board, reduce the thickness of conductive layer metal (generally being Copper Foil) according to the utility model.The mode of the additional main traverse line 3 of welding and 4 is adopted on the back side or both sides at the LED of the utility model circuit board module; Go up main traverse line to every group of parallel interface place welding that already is designed to series-parallel circuit; The part has increased the electrical conduction current sectional area of original circuit (copper foil layer) on the wiring board, can unrestrictedly increase the length of final LED lamp band.
Moreover; Because public main traverse line 3 is to arrange dividually and conduct electricity and to link to each other via being connected conducting line segment 13 and 14 with 4 with wiring board 1; Therefore the heat of main traverse line 3 and 4 (a large amount of electric currents of load) generation when work can directly not transmit on the wiring board 1; Thereby greatly reduce the working temperature of LED wiring board 1 (especially LED 2), improved its functional reliability.
Preceding text by the agency of the specific embodiment of the utility model.Yet should be appreciated that under the prerequisite of spirit that does not break away from the utility model and scope, can carry out various modifications.Therefore, other embodiment also belongs to the protection range of the claim of the utility model.
Claims (10)
1. a LED circuit board module is characterized in that, comprising:
One or more LED wiring boards (1) are equipped with a plurality of LED (2) on each LED wiring board (1), said a plurality of LED (2) are connected in series on the anodal circuit (5) and negative pole circuit (6) of said LED wiring board (1);
Article one, independent anodal main traverse line (3) and an independent negative pole main traverse line (4), wherein said anodal main traverse line (3), negative pole main traverse line (4) separate certain distance ground with said one or more LED wiring boards (1) and arrange;
Wherein, The anodal circuit (5) of each LED wiring board (1) passes through the anodal lead (13) that connects and is connected with said anodal main traverse line (3) conduction, and the negative pole circuit (6) of each LED wiring board (1) is connected with negative pole main traverse line (4) conduction through negative pole connection lead (14).
2. LED circuit board module according to claim 1 is characterized in that, said LED wiring board (1) is processed by single-sided flexible circuit board, double-faced flexible wiring board or multi-layer flexible circuit board.
3. LED circuit board module according to claim 1 is characterized in that, anodal main traverse line (3) and negative pole main traverse line (4) are the plain conductors of unlimited continuous length.
4. LED circuit board module according to claim 1; It is characterized in that the pad that is arranged on each LED wiring board (1) two ends connects lead (14) and is connected with anodal main traverse line (3), negative pole main traverse line (4) conduction respectively through corresponding anodal connection lead (13), negative pole.
5. LED circuit board module according to claim 1 is characterized in that, the thickness of the line layer of said LED wiring board (1) is more than 0.01 millimeter, and the width of said LED wiring board (1) is more than 3.5 millimeters.
6. a LED circuit board module is characterized in that, comprising:
One or more LED wiring boards (1); Each LED wiring board (1) is provided with a plurality of LED series; Wherein each said LED series all comprises a plurality of LED coupled in series (2), and said a plurality of LED series is connected on the anodal circuit (5) and negative pole circuit (6) of said LED wiring board (1) in parallel;
Article one, independent anodal main traverse line (3) and an independent negative pole main traverse line (4), wherein said anodal main traverse line (3), negative pole main traverse line (4) separate certain distance ground with said one or more LED wiring boards (1) and arrange;
Wherein, The anodal circuit (5) of each LED wiring board (1) passes through the anodal lead (13) that connects and is connected with said anodal main traverse line (3) conduction, and the negative pole circuit (6) of each LED wiring board (1) is connected with negative pole main traverse line (4) conduction through negative pole connection lead (14).
7. LED circuit board module according to claim 6 is characterized in that, said LED wiring board (1) is processed by single-sided flexible circuit board, double-faced flexible wiring board or multi-layer flexible circuit board.
8. LED circuit board module according to claim 6 is characterized in that, anodal main traverse line (3) and negative pole main traverse line (4) are the plain conductors of unlimited continuous length.
9. LED circuit board module according to claim 6; It is characterized in that the pad that is arranged on each LED wiring board (1) two ends connects lead (14) and is connected with anodal main traverse line (3), negative pole main traverse line (4) conduction respectively through corresponding anodal connection lead (13), negative pole.
10. LED circuit board module according to claim 6 is characterized in that, the thickness of the line layer of said LED wiring board (1) is more than 0.01 millimeter, and the width of said LED wiring board (1) is more than 3.5 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202564462U CN202353936U (en) | 2011-07-20 | 2011-07-20 | Light emitting diode (LED) circuit board module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202564462U CN202353936U (en) | 2011-07-20 | 2011-07-20 | Light emitting diode (LED) circuit board module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202353936U true CN202353936U (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202564462U Expired - Fee Related CN202353936U (en) | 2011-07-20 | 2011-07-20 | Light emitting diode (LED) circuit board module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202353936U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102625578A (en) * | 2011-07-20 | 2012-08-01 | 田茂福 | Light-emitting diode (LED) circuit board component |
-
2011
- 2011-07-20 CN CN2011202564462U patent/CN202353936U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102625578A (en) * | 2011-07-20 | 2012-08-01 | 田茂福 | Light-emitting diode (LED) circuit board component |
| CN102625578B (en) * | 2011-07-20 | 2015-02-18 | 田茂福 | Light-emitting diode (LED) circuit board component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUIZHOUSHI CHUANLIAN TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: TIAN MAOFU Effective date: 20130219 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 516269 HUIZHOU, GUANGDONG PROVINCE TO: 516000 HUIZHOU, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130219 Address after: Sha Tian Zhen Tian tou Industrial Zone in Guangdong province Huizhou Folong 516000 District of Huiyang City Patentee after: Huizhou tandem Electronic Technology Co., Ltd. Address before: 516269 Guangdong province Huizhou city Huiyang District Huizhou Town Industrial Zone, Sha Tin Tiantou Folong Series Electronic Technology Co. Ltd. Patentee before: Tian Maofu |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20170720 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |