CN202206656U - LED (light-emitting diode) circuit board - Google Patents
LED (light-emitting diode) circuit board Download PDFInfo
- Publication number
- CN202206656U CN202206656U CN2011202939177U CN201120293917U CN202206656U CN 202206656 U CN202206656 U CN 202206656U CN 2011202939177 U CN2011202939177 U CN 2011202939177U CN 201120293917 U CN201120293917 U CN 201120293917U CN 202206656 U CN202206656 U CN 202206656U
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- led
- circuit plate
- flat
- copper
- parallel
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- Expired - Lifetime
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Abstract
The utility model relates to an LED (light-emitting diode) circuit board which comprises two flat wires, a bearing bed, a solder mask and at least two parallel LED groups, wherein the two flat wires are arranged side by side; the bearing bed is adhered to the back sides of the two flat wires; the solder mask is covered on the front sides of the two flat wires; each parallel LED group comprises at least two LEDs which are welded in parallel on the two flat wires; and the two flat wires are respectively alternately disconnected between each two adjacent parallel LED groups so as to form series connection among all the parallel LED groups. In the circuit design of the utility model, the normal work of other LED lamps or elements in the same group cannot be influenced due to the problem of one LED lamp or element, so that the reliability of the product is greatly improved. Moreover, the LED circuit board has simple structure, low manufacturing cost and high efficiency and does not need to be etched. The utility model provides an environmental-friendly and energy-saving technology.
Description
Technical field
The utility model belongs to circuit-board industry, relates to led circuit plate field, is specifically related to have the led circuit plate and the led circuit plate with flexible PCB of rigid circuit board, and this led circuit plate adopts parallelly connected series LED circuit.
Background technology
The circuit of traditional circuit-board all is that copper-clad plate etches circuit usually, or takes laser and the unwanted copper of milling cutter cutting removal to go out circuit.But; The former is high cost and pollution is very serious, and latter's efficient is too low, can't produce in enormous quantities; And also exist a lot of problems on traditional circuit design; One group of LED lamp that one-period is connected in series or element because of the problem of one of them LED lamp or element, tend to cause the LED lamp of whole group not work or element can't be worked.
The utility model is directly to take and the flat conductor put is made the circuit board of producing parallelly connected series LED circuit according to the characteristics of the big circuit board of the simple consumption of some circuits; The circuit board of this parallel connection series connection; If one of them LED lamp has been broken and has not been worked, can not have influence on the same group other the LED lamp or the operate as normal of element, improved performance of products greatly; And low cost of manufacture, efficient height, and very environmental protection.
The utility model content
The utility model is with the circuit board of lead parallel connection series LED circuit.Can adopt and put the flat conductor of arrangement during design, arrangement pitches is confirmed according to the spacing dimension of component pins.As the bonding flat conductor of bearing bed,, maybe can excise the flat conductor position that needs disconnection with the band gum base materials, form parallelly connected series circuit according to different line design needs; Or can not excise; Form parallelly connected series circuit; Another side at flat conductor is done solder mask with the film of holding window in advance successfully or with resistance solder paste China ink; All LED and element all are welded on the flat conductor of holding the window place in advance successfully with the form of building bridge, the connected mode of parallel connection series connection, and welding is adopted SMT Reflow Soldering welding or adopted the welding of plug-in unit wave-soldering, form the circuit board with lead parallel connection series LED circuit.
More specifically: a kind of circuit board with lead parallel connection series LED circuit comprises: and put at least two flat conductors of arrangement; The band gum base materials that bonding flat conductor is used is as the bearing bed of the circuit board of parallelly connected series LED circuit; According to different line design, can excise the flat conductor position that needs disconnection, form parallelly connected series circuit; Or can not excise, form parallelly connected series circuit; Printing resistance solder paste China ink or hot pressing have the coverlay of solder joint window in advance on the another side of flat conductor, and form solder mask; LED and element are welded on the flat conductor of holding the window place in advance successfully with the form of building bridge, the connected mode of parallel connection series connection.
According to an embodiment of the utility model, said flat conductor is copper cash, copper-clad aluminum conductor, copper covered steel wire, copper tinned wire, copper nickel plating gold thread, iron tinned wire or steel tinned wire.
According to an embodiment of the utility model, said flat conductor adopts the circle line pressure to prolong and processes, or the flat conductor that cuts into metal forming, metallic plate, metal tape branch.
According to an embodiment of the utility model, said circuit board is FPC or rigidity wiring board.
According to an embodiment of the utility model, the base material of said band glue is epoxy glass base material+hot-setting adhesive, phenolic aldehyde base material+hot-setting adhesive, polyimide base material+hot-setting adhesive, metal base+hot-setting adhesive and ceramic base material+hot-setting adhesive wherein a kind of.
According to an embodiment of the utility model, said circuit board is provided with the pin holes that is used for pin LED lamp and pin element.
According to an embodiment of the utility model, excision processing is selected from that mould is die-cut, boring, bore mill, laser ablation and wire cutting machine excision.
According to an embodiment of the utility model, said resistance solder paste China ink is the resistance solder paste China ink that conventional PCB uses, and said coverlay is the coverlay that FPC uses.
According to an embodiment of the utility model, the LED lamp and the element of said parallel connection are at least two, and the LED lamp and the element of said series connection are at least two.
According to an embodiment of the utility model, said circuit board is used for LED lamp band, LED illuminating module, LED guardrail pipe, LED neon light, LED fluorescent tube, LED daylight lamp panel or LED Christmas lamp.
More specifically, the utility model provides a kind of led circuit plate, comprising: and put two flat conductors of arrangement; Be bonded in the bearing bed on the back side of said two flat conductors; Cover the solder mask on the front of said two flat conductors; At least two parallel connection LED groups, wherein, each parallel connection LED group all comprises at least two parallel connections and is welded on the LED on said two flat conductors; Wherein, Said two flat conductors are alternately broken off wherein flat conductor between per two adjacent parallel connection LED groups, that is, if between first, second adjacent parallel connection LED group, broken off a flat conductor of a side; So just between second, third adjacent parallel connection LED group, broken off another flat conductor of an opposite side; And the like, like this, just between the parallel connection LED group, form and be connected in series.
According to an embodiment of the utility model, the disconnection of said flat conductor be adopt machine cuts, die-cut, boring, bore mill, laser cuts or the line cutting forms the otch that breaks off fully.
According to an embodiment of the utility model, said flat conductor is copper cash, copper-clad aluminum conductor, copper covered steel wire, copper tinned wire, copper nickel plating gold thread, iron tinned wire or steel tinned wire.
According to an embodiment of the utility model, said and put that to arrange be to be arranged in parallel, the parallel connection welding of said LED is to be welded on said two flat conductors with the form of building bridge.
More specifically, the utility model also provides a kind of led circuit plate, comprising: and put at least two flat conductors of arrangement; Be bonded in the bearing bed on the back side of said at least two flat conductors; Cover the solder mask on the front of said at least two flat conductors; Wherein, be connected in series through the parallel connection LED group between per two adjacent flat conductors, wherein, said parallel connection LED group comprises at least two parallel connections and is welded on the LED on the adjacent flat lead.
According to an embodiment of the utility model, said solder mask is the resistance solder paste China ink of printing or the coverlay of holding the solder joint window in advance successfully.
According to an embodiment of the utility model, said and put that to arrange be to be arranged in parallel, the parallel connection welding of said LED is to be welded on two adjacent flat conductors with the form of building bridge.
According to an embodiment of the utility model, said led circuit plate is to be used for LED lamp band, the led circuit plate of LED illuminating module, LED guardrail pipe, LED neon light, LED fluorescent tube, LED daylight lamp panel or LED Christmas lamp.
The circuit design of the circuit board of the utility model; Can be because of the problem of one of them LED lamp or element, and have influence on the same group other the LED lamp or the operate as normal of element, improved the functional reliability of product greatly; And structure is very simple; Cost of manufacture is low, efficient is high, need not etching, is the inventor's another environmental protection of inventing, energy-conservation, the new technology of saving material.
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 floor map (this figure be the circuit of 4 and 4 strings) of circuit design for the circuit board of the parallelly connected series LED circuit of need excision breach.
Fig. 2 for circuit design for need not excise breach parallelly connected series LED circuit circuit board floor map (this figure be 8 and 8 the string circuit).
Fig. 3 is the sketch map of parallel slot mould.
Fig. 4 is the sketch map of the cross section of parallel slot mould.
Fig. 5 is the sketch map of flat conductor parallel wiring.
Fig. 6 is the local enlarged diagram of a shown in Figure 5.
Fig. 7 vacuumizes air-breathing fixing sketch map when being arranged in parallel for flat conductor.
Fig. 8 is fixed on the sketch map on the coverlay of bottom surface for flat conductor.
Fig. 9 is the local enlarged diagram of b shown in Figure 8.
Figure 10 is the sketch map that cuts away behind the position that flat conductor need break off.
The sketch map that Figure 11 fits for flat conductor and the coverlay contraposition of holding window in advance successfully.
Figure 12 is the sketch map after bottom surface coverlay, flat conductor, the end face coverlay pressing curing.
Figure 13 is the sketch map behind the circuit board SMT welding LED lamp of soft parallelly connected series LED circuit.
Figure 14 for and put flat conductor and solidify the sketch map be bonded together with the FR4 epoxy glass plate that scribbles the insulation hot-setting adhesive.
Figure 15 is printing resistance solder paste China ink, the sketch map behind the exposure imaging solder joint.
Figure 16 is the sketch map after the circuit board SMT of the parallelly connected series LED circuit of rigidity welds the LED lamp.
Figure 17 forms the sketch map in element legs hole through the form that gets out or go out in bond pad locations for the plug-in type rigid circuit board.
Figure 18 is the pin holes that pin LED lamp inserts circuit board, crosses the front schematic view after crest welder welds then.
Figure 19 is the pin holes that pin LED lamp inserts circuit board, crosses the reverse side sketch map after crest welder welds then.
Embodiment
Below with reference to accompanying drawings the utility model is carried out detailed description with the circuit board of lead parallel connection series LED circuit.
But, it will be appreciated by those skilled in the art that the following stated only is to illustrate and describe some preferred implementations, some other similarly or the execution mode that is equal to equally also can be used for implementing the utility model.
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.
Term " wiring board " and " circuit board " can use in the application with exchanging.
Embodiment one, with the circuit board of the soft parallelly connected series LED circuit of wire producing
According to designing and producing the wiring mould:
With mirror face stainless steel for example etch or machining go out with and the mould (as shown in Figure 3) of the consistent parallel slot 4 of (a kind of optimal way is parallel) flat conductor 1 width of putting; The degree of depth of mould parallel slot 4 confirms according to the thickness of flat conductor 1, actual should be than the thickness of flat conductor 1 slightly more shallow (as shown in Figure 4).Obviously, it is strict parallel to it will be appreciated by those skilled in the art that parallel slot 4 is not necessarily in actual production, also can be arranged side by side or and puts.
Wiring
With 1 while of one group of flat conductor cloth in the groove 4 of mould (shown in Fig. 4-6), vacuumize (shown in the arrow of Fig. 7) through vacuum-pumping tube 5, flat conductor 1 is fixed in the groove 4, as shown in Figure 7.
Paste the bottom surface coverlay
Be attached to 6 contrapositions of bottom surface coverlay on the flat conductor 1 of mould, after 5 to 10 seconds, from mould, take out, circuit (being flat conductor 1) promptly be fixed (shown in Fig. 8-9) 180 ℃ of following hot pressing.Wherein, flat conductor 1 becomes the line layer blank of circuit board, and bottom surface coverlay 6 will become the bearing bed (base material) of circuit board, and will be as shown in Figure 9.
The excision flat conductor needs open position
With the position that the die-cut flat conductor of mould need break off, breaking part stays excision mouth 3, and flat conductor is made into parallelly connected series circuit (shown in figure 10).
Paste the end face coverlay
The circuit that has been fixed by bottom surface coverlay 6, another side conversely, the coverlay 7 (shown in figure 11) that snaps a window and fixing after 5 to 10 seconds 180 ℃ of following hot pressing is sticked in contraposition.The end face coverlay will become the solder mask of circuit board.
Continuation with the pressure hot pressing of 150kg 120 seconds, makes two sides coverlay (being bottom surface coverlay 6 and end face coverlay 7) and flat conductor 1 strong bonded under 180 ℃.Then, the flat conductor that is combined with the two sides coverlay 150 ℃ of following baking-curings 60 minutes, is obtained circuit board shown in figure 12.
Printing word
The technology of the method for printing word and the printing word of traditional circuit-board is identical, does not give unnecessary details.
Each solder joint is carried out OSP handle, identical with traditional circuit-board technology, repeat no more.
The SMT soldered elements
To circuit board solder joint print solder paste, can mount LED lamp 2 with the Yamaha automatic placement machine, cross reflow machine welding (shown in figure 13) then.These all are technology well known in the art, repeat no more.
Cut itemize
Cut on punch press with cutting die, form the LED lamp decoration product (as shown in Figure 1) with lead parallel connection series LED circuit of wall scroll.
Embodiment two, with the circuit board of the parallelly connected series LED circuit of wire producing rigidity
According to designing and producing the wiring mould:
With mirror face stainless steel for example etch or machining go out with and the mould (as shown in Figure 3) of the consistent parallel slot 4 of (a kind of optimal way is parallel) flat conductor 1 width of putting; The degree of depth of mould parallel slot 4 confirms according to the thickness of flat conductor 1, actual should be than the thickness of flat conductor 1 slightly more shallow (as shown in Figure 4).Obviously, it is strict parallel to it will be appreciated by those skilled in the art that parallel slot 4 is not necessarily in actual production, also can be arranged side by side or and puts.
Wiring
With 1 while of one group of flat conductor cloth in the groove 4 of mould (shown in Fig. 4-6), vacuumize (shown in the arrow of Fig. 7) through vacuum-pumping tube 5, flat conductor 1 is fixed in the groove 4, as shown in Figure 7.
The compound inslation base material
The FR4 epoxy glass plate 8 that scribbles insulation hot-setting adhesive aluminium base or other metal substrate of insulation glued membrane (or post) is scribbled that one side and the overlapping hot pressing 5-10 of that one side of the flat conductor of the Die and mould plate that is furnished with flat conductor 1 second of insulation hot-setting adhesive, make and put flat conductor 1 to be transferred on the insulated substrate.Cooling; Take away mould; Be attached to flat conductor 1 surface with mould release membrance then, continue with the permanent PCB pressing machine that reaches, realize the curing bonding (shown in figure 14) of flat conductor and the FR4 epoxy glass plate 8 that scribbles the insulation hot-setting adhesive 150 ℃ to 180 ℃ following hot pressing 30 to 120 minutes.
The FR4 epoxy glass plate 8 that scribbles the insulation hot-setting adhesive will become the bearing bed of circuit board.
Printing resistance weldering
Printing resistance solder paste China ink 9 and exposure imaging solder joint 10, curing (shown in figure 15).These all are technology well known in the art, repeat no more.
Printing resistance solder paste China ink 9 will become the solder mask of circuit board.
The SMT soldered elements
To circuit board solder joint print solder paste, can mount LED lamp 2 with the Yamaha automatic placement machine, cross reflow machine welding (like Fig. 2, shown in 16) then.These all are technology well known in the art, repeat no more.
External form is cut
Take gong or V-CUT, accomplish with the LED lamp decoration product of lead parallel connection series LED circuit and make (like Fig. 2, shown in 16).
Weld the pin element if desired, then for example use die punching, the aperture of the pin holes of being gone out 11 and the diameter of component pins coupling (shown in figure 17) in bond pad locations.For the pin type circuit board, can use in the artificial pin holes 11 pin LED lamp 12 insertion circuit boards, cross the crest welder welding then, promptly accomplish element welding (like Figure 18, shown in 19).
More than combine accompanying drawing that the utility model has been carried out detailed description.But, it will be appreciated by those skilled in the art that the above only is to illustrate and describe some embodiments, to the scope of the utility model, especially the scope of claim does not have any restriction.
Claims (10)
1. a led circuit plate is characterized in that, comprising:
And put two flat conductors of arrangement;
Be bonded in the bearing bed on the back side of said two flat conductors;
Cover the solder mask on the front of said two flat conductors; With
At least two parallel connection LED groups, wherein, each parallel connection LED group all comprises at least two parallel connections and is welded on the LED on said two flat conductors;
Wherein, said two flat conductors are alternately broken off wherein flat conductor between per two adjacent parallel connection LED groups, be connected in series thereby between the parallel connection LED group, form.
2. led circuit plate according to claim 1 is characterized in that, the disconnection of said flat conductor be adopt machine cuts, die-cut, boring, bore mill, laser cuts or the line cutting forms the otch that breaks off fully.
3. led circuit plate according to claim 1 and 2 is characterized in that, said flat conductor is copper cash, copper-clad aluminum conductor, copper covered steel wire, copper tinned wire, copper nickel plating gold thread, iron tinned wire or steel tinned wire.
4. led circuit plate according to claim 1 and 2 is characterized in that, and is said and put that to arrange be to be arranged in parallel, and the parallel connection welding of said LED is to be welded on said two flat conductors with the form of building bridge.
5. led circuit plate according to claim 1 and 2 is characterized in that, said led circuit plate is to be used for LED lamp band, the led circuit plate of LED illuminating module, LED guardrail pipe, LED neon light, LED fluorescent tube, LED daylight lamp panel or LED Christmas lamp.
6. a led circuit plate is characterized in that, comprising:
And put at least two flat conductors of arrangement;
Be bonded in the bearing bed on the back side of said at least two flat conductors;
Cover the solder mask on the front of said at least two flat conductors; With
Wherein, be connected in series through the parallel connection LED group between per two adjacent flat conductors, wherein, said parallel connection LED group comprises at least two parallel connections and is welded on the LED on the adjacent flat lead.
7. led circuit plate according to claim 6 is characterized in that, said solder mask is the resistance solder paste China ink of printing or the coverlay of holding the solder joint window in advance successfully.
8. according to claim 6 or 7 described led circuit plates, it is characterized in that said flat conductor is copper cash, copper-clad aluminum conductor, copper covered steel wire, copper tinned wire, copper nickel plating gold thread, iron tinned wire or steel tinned wire.
9. according to claim 6 or 7 described led circuit plates, it is characterized in that said and put that to arrange be to be arranged in parallel, the parallel connection welding of said LED is to be welded on two adjacent flat conductors with the form of building bridge.
10. according to claim 6 or 7 described led circuit plates, it is characterized in that said led circuit plate is to be used for LED lamp band, the led circuit plate of LED illuminating module, LED guardrail pipe, LED neon light, LED fluorescent tube, LED daylight lamp panel or LED Christmas lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202939177U CN202206656U (en) | 2011-08-03 | 2011-08-03 | LED (light-emitting diode) circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202939177U CN202206656U (en) | 2011-08-03 | 2011-08-03 | LED (light-emitting diode) circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202206656U true CN202206656U (en) | 2012-04-25 |
Family
ID=45970746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202939177U Expired - Lifetime CN202206656U (en) | 2011-08-03 | 2011-08-03 | LED (light-emitting diode) circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202206656U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102724810A (en) * | 2012-06-08 | 2012-10-10 | 王定锋 | LED circuit board with circuits flexible to be detached and LED module |
| CN102724812A (en) * | 2012-06-08 | 2012-10-10 | 王定锋 | Exposed character manufactured by directly welding LEDs on flexible circuit board and method |
| CN102759033A (en) * | 2012-05-21 | 2012-10-31 | 王定锋 | Light emitting diode (LED) module group with LED chips directly packaged on rigid-flexible conducting wire circuit board |
| CN103065560A (en) * | 2013-01-11 | 2013-04-24 | 林谊 | LED display screen display unit and production method thereof |
-
2011
- 2011-08-03 CN CN2011202939177U patent/CN202206656U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759033A (en) * | 2012-05-21 | 2012-10-31 | 王定锋 | Light emitting diode (LED) module group with LED chips directly packaged on rigid-flexible conducting wire circuit board |
| CN102759033B (en) * | 2012-05-21 | 2016-03-02 | 王定锋 | The LED module of direct packaging LED chips on soft or hard mating type wire line plate |
| CN102724810A (en) * | 2012-06-08 | 2012-10-10 | 王定锋 | LED circuit board with circuits flexible to be detached and LED module |
| CN102724812A (en) * | 2012-06-08 | 2012-10-10 | 王定锋 | Exposed character manufactured by directly welding LEDs on flexible circuit board and method |
| CN103065560A (en) * | 2013-01-11 | 2013-04-24 | 林谊 | LED display screen display unit and production method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Huizhou State Fair Electronics Co., Ltd. Assignor: Wang Dingfeng Contract record no.: 2013440020008 Denomination of utility model: X-directional surface mounted technology (SMT) printing machine with light-emitting diode (LED) circuit board Granted publication date: 20120425 License type: Exclusive License Record date: 20130114 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120425 |
|
| CX01 | Expiry of patent term |