CN202455644U - Serial-connection light emitting diode (LED) single-sided circuit board made by single conducting wire - Google Patents
Serial-connection light emitting diode (LED) single-sided circuit board made by single conducting wire Download PDFInfo
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- CN202455644U CN202455644U CN2011205307516U CN201120530751U CN202455644U CN 202455644 U CN202455644 U CN 202455644U CN 2011205307516 U CN2011205307516 U CN 2011205307516U CN 201120530751 U CN201120530751 U CN 201120530751U CN 202455644 U CN202455644 U CN 202455644U
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Abstract
The utility model relates to a serial-connection light emitting diode (LED) single-sided circuit board made by a single conducting wire. The utility model in particular provides a serial-connection LED single-sided circuit board, which comprises a circuit layer, a reverse-sided coverage membrane and a front-sided coverage membrane, wherein the circuit layer is directly produced through a single metal conducting wire, wherein the circuit layer comprises more than two circuit sections which are disconnected through notches, so that the disconnection of the circuit is formed between every two adjacent circuit sections; the reverse-sided coverage membrane covers the back surface of the entire circuit layer; and the front-sided coverage membrane covers the front surface of the circuit layer, the front-sided coverage membrane is provided with a hole which is used for exposing a corresponding pad on the circuit layer. A structure for clamping a polyimide (PI) layer between two copper layers in the existing LED circuit board product is directly omitted and is substituted by a copper foil layer, so that the product structure and the production process are simplified, the material cost and the process cost are reduced, the environment pollution and the energy consumption are avoided, and the reliability and the yield of the product can be improved.
Description
Technical field
The utility model relates to the field of LED wiring board, is specifically related to a kind of serial LED wiring board with the single wire making of environment-friendly type.
Background technology
In the LED wiring board of prior art; For example as shown in Figure 1; The structure of its LED wiring board does; The centre is a layer insulating 6 (for example being processed by typical PI material), is respectively equipped with (for example through bonding mode) line layer 3,7 (for example being typical Copper Foil) on the two sides of insulating barrier; The outside at this two-layer line layer is respectively equipped with the covering rete 5,5 (be typically CVL or relevant can resistant to elevated temperatures PVC class insulating material) that (mode of for example bonding, coating, coating or printing) plays protective action.
The defective of the LED wiring board of this prior art is many-sided.
For example, copper foil layer 3,7 need be adhered on the insulating barrier 6 through for example adhesion technique, and sometimes need lay additional adhesive layer, and the complicacy of processing step will cause the cost of LED wiring board finished product to increase with additional jointing material;
The line construction of copper foil layer 3,7 will realize through etching mode, and the interlayer conduction of copper foil layer 3,7 needs the plating mode plated-through-hole to realize, therefore unavoidably can bring pollution to environment, and its energy consumption be also high;
Therefore, press for a kind of novel simpler environment-friendly type LED wiring board in this area, with alleviate or even avoid above-mentioned defective; Simplify manufacture craft and product structure; Reduce cost, reduce environmental pollution and energy consumption, improve reliability of products and real work life-span.
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 utility model, directly adopt the wall scroll plain conductor, preferably flat lead, copper conductor for example, aluminum conductor, aluminium alloy conductor, copper alloy wire, nickel alclad lead, nickel iron clad lead or the like comes directly making LED single-sided flexible circuit board.Like this, just simplify structure, the manufacture craft of wiring board, reduced the technology cost and the cost of raw material, and avoided environmental pollution and energy consumption.And the LED single-sided flexible circuit board of making like this can also improve the product yields, improves reliability of products.
One side according to the utility model; Disclosed a kind of serial LED single face wiring board; Comprise: the line layer of directly being made by the wall scroll plain conductor, said line layer comprise the plural part of path that breaks off through otch, thereby between adjacent part of path, form the disconnection of circuit; Cover the reverse side coverlay on the reverse side of whole said line layer; With the front coverlay on the front that covers said line layer, on the coverlay of said front, has perforate, to expose the respective pad on the said line layer.
According to another preferred embodiment of the utility model, said plain conductor is selected from copper conductor, aluminum conductor, aluminium alloy conductor, copper alloy wire, nickel alclad lead or nickel iron clad lead.
According to another preferred embodiment of the utility model, said plain conductor is a copper conductor.
According to another preferred embodiment of the utility model, said copper conductor is the copper conductor or the copper alloy wire of T2 grade.
According to another preferred embodiment of the utility model, the otch between the said part of path is die-cut or the otch of cross cutting.
Another preferred embodiment according to the utility model; Also comprise the LED and the resistance that are installed on the said LED wiring board; The model of wherein said LED comprises one or more in 335,3528,5050 and 5060, and the model of said resistance comprises one or more in 0603,0805 and 0812.
According to another preferred embodiment of the utility model, said serial LED single face wiring board is a single-sided flexible circuit board.
According to another preferred embodiment of the utility model, said plain conductor is flat conductor or tinsel.
According to another preferred embodiment of the utility model, the width of said serial LED single face wiring board is the 2-20 millimeter.
According to another preferred embodiment of the utility model, the uninterrupted length of said serial LED single face wiring board is 0.5-500 rice.
According to the utility model on the other hand, disclosed a kind of method of the LED of making wiring board, it is characterized in that, having comprised: the wall scroll plain conductor is provided; Said wall scroll plain conductor is carried out die-cut or cross cutting,, stick the reverse side coverlay and carry out pressing at this finished reverse side with said wall scroll plain conductor of a plurality of part of paths thereby form corresponding a plurality of part of path to form the otch of a plurality of disconnections; The front coverlay that has corresponding to the perforate of pad locations is provided, and pastes said front coverlay in the front of said line layer and carry out pressing.
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, in the accompanying drawings:
Fig. 1 is the partial section of the LED wiring board of prior art, has shown the structure of the LED wiring board of prior art; And
Fig. 2 has shown the partial section of the serial LED single face wiring board made from single wire of an embodiment of the utility model, has shown the cross section structure of this serial LED single face wiring board.
Fig. 3 has shown the front plan view of the serial LED single face wiring board made from single wire of the utility model one embodiment.
Embodiment
To be described in more detail the utility model below.
The single face (that one side of LED promptly is installed) that term " single face wiring board " only refers at this wiring board 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 wiring board of the utility model is done further to specify with structure.
The relevant material of LED wiring board
The raw material volume of traditional double-faced flexible wiring board is also referred to as the coiled material of copper-clad plate.As shown in Figure 1, Fig. 1 is the partial section of the LED wiring board of prior art, has shown the structure of the LED wiring board of prior art.In the structure of this LED wiring board, typical structure is five layers, promptly; (modal is to adopt Copper Foil to two- layer line layer 3,7, can be described as again in the present embodiment and covers copper layer or Copper Foil; These terms use sometimes interchangeably), and be bonded in the insulating barrier 6 between this two-layer line layer 3,7.Insulating barrier 6 has formed the basal layer of flexible circuit.The outside at this two- layer line layer 3,7 is respectively equipped with the covering rete 5,5 that (mode of for example bonding, coating, coating or printing) plays protective action, and this covering rete for example can be processed by CVL.
Certainly,, in fact, can be respectively equipped with adhesive layer usually with insulating barrier 6, be used for line layer and insulating barrier are glued together at two- layer line layer 3,7 although not shown in Fig. 1.Therefore, under a lot of situations, this LED wiring board structure of prior art is actually seven layers complicated structure.
The material of insulating barrier 6 has many kinds, and wherein the most commonly used is polytetrafluoroethylene, polyimides, polyester and PI (PI) material.Polyimide material has non-flammable, and physical dimension is stable, has advantages of higher tensile strength; And the ability with the welding temperature of bearing, polyester is also referred to as PETG (being called for short PET); Its physical property is similar to polyimides; Have lower dielectric constant, the humidity of absorption is very little, but non-refractory.Polyester demonstrates rigidity in cryogenic applications.These materials all can be used for forming insulating barrier.
Copper Foil generally is suitable among flexible circuit, being used as line layer 5, and it can adopt the mode of electro-deposition (ED), forging (RA).Copper Foil is the material with compliance, can be made into many kinds of thickness and width.The Copper Foil of forging also has the level and smooth characteristics of hard except having pliability, it is suitable for being applied among the occasion that requires dynamic deflection.
According to an embodiment of the utility model, adoptable aborning at present material is fine copper or copper alloy, zinc yellow copper for example, and the thickness of Copper Foil is more than the 10Z.If the employing fine copper, then the general requirement of fine copper is a T2 copper.The requirement of copper alloy is generally Tp2 or copper content more than 20%, and remaining composition can be zinc (Zn) or other trace additives.
The main design of LED wiring board product of the utility model and technology
As stated; The product of prior art is formed the structure that structure is five layers or seven layers: the centre is a layer insulating; The two sides is respectively line layer (also having the adhesive layer with the insulating barrier pressing in the seven-layer structure respectively), and the outside of this two-layer line layer is respectively equipped with coverlay (for example CVL).
According to the utility model, with the insulating barrier of prior art, the structure that accompanies one deck insulating barrier (for example PI) in the middle of the two-layer line layer directly is replaced with the individual layer line layer that is formed by the wall scroll plain conductor.
The wiring of LED wiring board product and windowing
According to different application scenarios, design the different wiring of the serial LED single face wiring board product of the utility model and window, to satisfy the requirement of Different products and purposes with different pads.These all belong to the scope of the utility model, so the utility model is not limited to disclosed accompanying drawing and specific embodiment, and the scope of the utility model is limited claim.
The technological process of the LED wiring board product of prior art
The manufacturing process of the LED wiring board of prior art shown in Figure 1 generally comprises main technological process and auxiliary process flow process.
Main flow: open material and (open base material; Base material is two-sided 10Z base material, the base material here refer to by the PI of 25 microns of two-layer 10Z Copper Foil, two-layer 25 microns glue and one decks totally 5 layers form)-boring (brill base material)-heavy copper-copper facing-exposure-development-etching-paste epiphragma (the obverse and reverse 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: open material (obverse and reverse coverlay)-boring (brill obverse and reverse coverlay)-change over to and paste the epiphragma operation.
Traditional LED wiring board of prior art need be used aborning is that highly basic strong acid materials such as sulfuric acid, hydrochloric acid, nitric acid, NaOH, sodium carbonate are used for heavy copper and circuit etching, and this kind manufacturing process not only manufacturing cost is high but also can bring severe contamination to environment.
The typical process flow of the LED wiring board product of the utility model
Fig. 2 has shown the partial section of the serial LED single face wiring board made from single wire of an embodiment of the utility model, has shown the cross section structure of this serial LED single face wiring board.Fig. 3 has shown the front plan view of the serial LED single face wiring board made from single wire of the utility model one embodiment.
According to one exemplary but do not have restrictive execution mode, the manufacture craft of the for example LED wiring board shown in Fig. 2-3 of the utility model is following:
Main flow (a): the wall scroll plain conductor is provided, and it will be as the line layer 8 of wiring board; Line layer is carried out cross cutting or die-cut; Form a plurality of otch 1 () of Fig. 3; Thereby form corresponding a plurality of part of path 8, so just between adjacent part of path 8, formed the disconnection of circuit, like this; Through between adjacent part of path 8 at the pad locations LED that burn-ons, just can form the coupled in series of circuit; Stick reverse side coverlay 5 and carry out pressing at this finished reverse side with line layer of a plurality of part of paths 8; The front coverlay 5 that has corresponding to the perforate 2 of pad locations is provided, pastes front coverlay 5 and carry out pressing in the front of line layer then.Afterwards, as required, carry out conventional baking-silk-screen-electrical measurement-anti-oxidation-profile-FQC-packing-shipment or the like operation, accomplish the serial LED single face wiring board of this embodiment of the utility model with the single wire making.
Through with the technology of above prior art relatively, just can know, therefore not only save time according to the manufacture craft of the utility model is very simple, save processing step and cost accordingly, and its reliability is also very high.In addition importantly, the manufacture craft of the utility model no longer relates to operations such as chemical etching, heavy copper, copper facing, plating, exposure, development, therefore very environmental protection.
Like this, just can obtain the LED wiring board as shown in Figure 3 of the utility model.Compare with the wiring board shown in Figure 1 of prior art, just can find out significantly, the line layer that the utility model is directly made with single wire has replaced the two-layer line layer 3 of prior art; Accompany the structure of insulating barrier 6 between 7; It not only shows the many above-mentioned superiority that is superior to prior art on manufacture craft, and the structure of itself and processing technology are very simple, not only omitted an one deck Copper Foil and a layer insulating and window, the technological requirement of bonding contraposition; Material cost and technology cost have been saved; Therefore the cost of product is lower, and reliability is higher, and yields is higher.
Width according to the LED wiring board product of the utility model for example can reach more than 2 millimeters, and for example the 1-50 millimeter is preferably the 2-20 millimeter.
The continuous uninterrupted length of the LED wiring board product of the utility model can be made into random length, and for example length can reach 0.5-500 rice, and preference is as being 3-500 rice.
And this structure of the utility model and manufacture craft make the useful life can prolong the LED lamp that reliability is high, and thermal diffusivity is good, and this is that so conductivity and thermal diffusivity are better because the thickness of copper foil layer can be chosen to thicklyer.
In addition, can window, also can not window according to the LED wiring board product reverse side connection of the utility model.This also is that the LED wiring board of prior art is not accomplished.
According to a preferred embodiment of the utility model, according to the LED wiring board product design of the utility model operating voltage applicable to 12V, 24V or other different direct current safety.
According to a preferred embodiment of the utility model, the element that on the LED of the utility model wiring board product, mounts or carry can comprise all kinds of LED and resistance, and preferred element can be:
The model of LED is following: 335,3528,5050,5060, or the like.
The model of resistance is following: 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 product of the utility model can comprise other various types of LED, resistance and other components and parts or the like.
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 serial LED single face wiring board is characterized in that, comprising:
The line layer of directly being made by the wall scroll plain conductor, said line layer comprise the plural part of path that breaks off through otch, thereby between adjacent part of path, form the disconnection of circuit;
Cover the reverse side coverlay on the reverse side of whole said line layer; With
Cover the front coverlay on the front of said line layer, on the coverlay of said front, have perforate, to expose the respective pad on the said line layer.
2. serial LED single face wiring board according to claim 1 is characterized in that said plain conductor is selected from copper conductor, aluminum conductor, aluminium alloy conductor, copper alloy wire, nickel alclad lead or nickel iron clad lead.
3. serial LED single face wiring board according to claim 2 is characterized in that said plain conductor is a copper conductor.
4. serial LED single face wiring board according to claim 3 is characterized in that, said copper conductor is the copper conductor or the copper alloy wire of T2 grade.
5. serial LED single face wiring board according to claim 1 is characterized in that the otch between the said part of path is die-cut or the otch of cross cutting.
6. serial LED single face wiring board according to claim 1; It is characterized in that; Also comprise the LED and the resistance that are installed on the said LED wiring board; The model of wherein said LED comprises one or more in 335,3528,5050 and 5060, and the model of said resistance comprises one or more in 0603,0805 and 0812.
7. serial LED single face wiring board according to claim 1 is characterized in that, said serial LED single face wiring board is a single-sided flexible circuit board.
8. serial LED single face wiring board according to claim 1 is characterized in that said plain conductor is flat conductor or tinsel.
9. serial LED single face wiring board according to claim 1 is characterized in that the width of said serial LED single face wiring board is the 2-20 millimeter.
10. serial LED single face wiring board according to claim 1 is characterized in that the uninterrupted length of said serial LED single face wiring board is 0.5-500 rice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205307516U CN202455644U (en) | 2011-12-16 | 2011-12-16 | Serial-connection light emitting diode (LED) single-sided circuit board made by single conducting wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205307516U CN202455644U (en) | 2011-12-16 | 2011-12-16 | Serial-connection light emitting diode (LED) single-sided circuit board made by single conducting wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202455644U true CN202455644U (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205307516U Expired - Fee Related CN202455644U (en) | 2011-12-16 | 2011-12-16 | Serial-connection light emitting diode (LED) single-sided circuit board made by single conducting wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202455644U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103237411A (en) * | 2013-05-06 | 2013-08-07 | 田茂福 | LED (Light Emitting Diode) single-sided circuit board manufactured by using thin conducting wire row and method |
| CN107864562A (en) * | 2017-12-20 | 2018-03-30 | 惠州市串联电子科技有限公司 | A kind of LED circuit board and preparation method thereof |
| CN107911939A (en) * | 2017-11-24 | 2018-04-13 | 惠州市鹏程电子科技有限公司 | A kind of flexible printed circuit board |
-
2011
- 2011-12-16 CN CN2011205307516U patent/CN202455644U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103237411A (en) * | 2013-05-06 | 2013-08-07 | 田茂福 | LED (Light Emitting Diode) single-sided circuit board manufactured by using thin conducting wire row and method |
| CN107911939A (en) * | 2017-11-24 | 2018-04-13 | 惠州市鹏程电子科技有限公司 | A kind of flexible printed circuit board |
| CN107911939B (en) * | 2017-11-24 | 2024-05-10 | 惠州市鹏程电子科技有限公司 | Flexible printed circuit board |
| CN107864562A (en) * | 2017-12-20 | 2018-03-30 | 惠州市串联电子科技有限公司 | A kind of LED circuit board and preparation method thereof |
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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: 20120926 Termination date: 20141216 |
|
| EXPY | Termination of patent right or utility model |