CN103826388A - Novel folding flexible circuit board and flexible LED bar lamp with two light-emitting faces and novel folding flexible circuit board - Google Patents
Novel folding flexible circuit board and flexible LED bar lamp with two light-emitting faces and novel folding flexible circuit board Download PDFInfo
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- CN103826388A CN103826388A CN201410063165.3A CN201410063165A CN103826388A CN 103826388 A CN103826388 A CN 103826388A CN 201410063165 A CN201410063165 A CN 201410063165A CN 103826388 A CN103826388 A CN 103826388A
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- 239000010410 layer Substances 0.000 claims description 90
- 239000011247 coating layer Substances 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000003490 calendering Methods 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 239000004020 conductor Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
The invention discloses a folding flexible circuit board. The folding flexible circuit board comprises a first conducting layer, a second conducting layer, a first insulating film and a second insulating film, wherein the first conducting layer comprises a power line and at least one circuit, the second conducting layer comprises a power line and at least one circuit, the first insulating film is bent and covers the upper surface of the first conducting layer and the lower surface of the second conducting layer at the same time, and the second insulating film is bent and covers the lower surface of the first conducting layer and the upper surface of the second conducting layer. The invention further discloses a flexible LED bar lamp with two light-emitting faces and the folding flexible circuit board. The novel folding flexible circuit board and the flexible LED bar lamp with the two light-emitting faces and the novel folding flexible circuit board have the advantages that the width is small, cost is low, the safety performance is high, and the technology is simple.
Description
Technical field
The present invention relates to decorate and lighting field, relate in particular to that a kind of width is narrow, cost is low, safe, the simple collapsible flexible circuit board of technique and there is the double-side flexible LED strip light of this flexible circuit board.
Background technology
Because producing the line source of strip after the energising of flexible LED strip light, be widely used in decoration or the illumination of various occasions, as building profile, moulding signboard, showcase illumination etc.
Flexible LED strip light structure is on the market generally: on the flat flexible circuit board of strip, weld plural LEDs and do the LED light source that becomes band, then, at the peripheral coated insulation coating layer of banded LED light source, after energising, can produce strip line source.
Flexible circuit board wherein comprises conductive layer and dielectric film, is generally divided into individual layer flexible circuit board or multilayer flexible circuit board.
Individual layer flexible circuit board structure is wherein: the centre of flexible circuit board is provided with at least one flat wire route, the both sides of flexible circuit board are respectively equipped with a flat power wire, circuit line and power line are in same plane and form conductive layer, the upper and lower surface of conductive layer is respectively equipped with a dielectric film, and this structure exists following defect:
1, because circuit line and two power lines are all in same plane, be that same plane has three or three above conductor wires, thereby width is larger, the banded LED light source of being made by it angle of bend is in the horizontal direction restricted, if angle of bend is excessive, can produce the phenomenon that fractures, cause banded LED light source normally not light even all and not work;
2, because flexible circuit board is wide, the sizing material using at its peripheral coated insulating coating also needs a lot, and cost is very high.
Multilayer flexible circuit board structure is wherein: mutually stacked and be laminated or be bonded by multiple separate individual layer flexible circuit boards, this structure exists following defect:
1, also can produce as the excessive unbending problem of the same width of individual layer flexible circuit board;
2, because flexible circuit board is wide, the sizing material using at its peripheral coated insulating coating also needs a lot, and cost is high.
3, by the mutual stacked generation multilayer flexible circuit board of multiple separate individual layer flexible circuit boards, and the banded LED light source that multilayer flexible circuit board is made thus, it is too short that its end face at flexible circuit board length direction can produce creepage distance, or the conductive layer that multilayer flexible circuit board occurs touches and connects and the problem of short circuit, reason is between each layer of flexible circuit board as to be laminated or bonding stacked configuration, inseparable between each layer, and between each layer of conductive layer only every the very dielectric film of book of one deck;
4, because multilayer flexible circuit board by the mutual stacked generation of multiple separate individual layer flexible circuit boards, in the time of under tension, the flexible circuit board of each individual layer can produce the problem of unbalance stress, the pulling force that the flexible circuit board of certain aspect is subject to can be more greatly, the pulling force being subject to of the flexible circuit board of certain aspect can be a little bit smaller, thereby the flexible circuit board of every aspect can produce by the state originally aliging and becomes the situation that is subject to mutual dislocation after pulling force, this kind of situation the lighter affects circuit turn-on, severe one can cause mouth in parallel to touch connecing and short circuit, cause fire incident.
5, multilayer flexible circuit stacks and is difficult for alignment and pressing, and complex process, be not suitable for batch production, and yield is low.
Thereby be necessary existing flexible circuit board and flexible LED strip light to do further improvement.
Summary of the invention
The object of the present invention is to provide that a kind of width is narrow, cost is low, safe, the simple collapsible flexible circuit board of technique and there is the double-side flexible LED strip light of this flexible circuit board.
For realizing above-mentioned first object, the technical solution adopted in the present invention is: a kind of collapsible flexible circuit board, comprising:
Ground floor conductive layer, described ground floor conductive layer comprises a power line and at least one circuit line;
Second layer conductive layer, described second layer conductive layer comprises a power line and at least one circuit line;
The first dielectric film, is bending and is covered in the upper surface of ground floor conductive layer and the lower surface of second layer conductive layer simultaneously;
The second dielectric film, is bending and is covered in the lower surface of ground floor conductive layer and the upper surface of second layer conductive layer simultaneously.
Further, described all power line consistencies from top to bottom arrange, and described all circuit line consistencies from top to bottom arrange.
Further, described power line is to be formed or by the die-cut strip flat wire forming of metallic plate by wire calendering.
Further, described circuit line is to be formed or by the die-cut strip flat wire forming of metallic plate by wire calendering, and circuit line is provided with multiple disconnections district.
For realizing above-mentioned second object, the technical solution adopted in the present invention is: a kind of double-side flexible LED strip light with the collapsible flexible circuit board described in above-mentioned any one, it is characterized in that: on the first conductive layer of described collapsible flexible circuit board and the second conductive layer, be welded with plural LEDs, LED is connected across the disconnection district of circuit line; Described double-side flexible LED strip light also comprises a strip plastic cement heart yearn, and described heart yearn is provided with a through hole along its length, and described collapsible flexible circuit board and LED are arranged in through hole.
Further, in described through hole, be provided with a separator, and separator is arranged between ground floor conductive layer and second layer conductive layer.
Further, described separator and heart yearn are structure as a whole.
Further, a sidewall of described heart yearn is provided with the open slot that runs through sidewall along its length.
Further, described heart yearn periphery is also coated with one deck coating layer.
Further, the cross section of described coating layer is circular oval or square or arch.
For realizing above-mentioned second object, another technical scheme of the present invention is: a kind of double-side flexible LED strip light with above-mentioned collapsible flexible circuit board, on the first conductive layer of described collapsible flexible circuit board and the second conductive layer, be welded with plural LEDs, LED is connected across the disconnection district of circuit line; The periphery of described collapsible flexible circuit board and LED is coated with insulating coating.
Wherein, the material of described circuit line and power line can be copper material.
In addition, the disconnection district of described circuit line can be that flat conductor passes through chemical etching process moulding through mechanical technology moulding or metal forming; Described mechanical technology can be on flat conductor, to carry out the unwanted part of die-cut removal, thereby forms circuit line.
The present invention comprises following beneficial effect:
1, flexible circuit board of the present invention adopts foldable structure, can reach and adopt 4 wires can realize flexible circuit board welding by both sides LED and realize the effect of double-side, thereby width is low, and angle of bend is large;
2,, because flexible circuit board width is low, the required glue of coating layer that is coated on flexible circuit board outside is moulded consumption just less, can be significantly cost-saving;
3, the flexible circuit board that adopts foldable structure, is connected as a single entity each layer of conductive layer by dielectric film, and in the time of under tension, the pulling force that the conductive layer of each layer is subject to can be consistent, can not produce the phenomenon of each layer of conductive layer dislocation, thereby more reliable, safer.
4, adopt folding mode, be easy to realize by craft or tool or mechanical folding to make double-decker flexible circuit board, technique is simple;
5, folding flexible circuit board structure of the present invention can make to separate at an angle along folding line between each layer the after folding, can solve by separator is set the problem of short circuit between too short or each layer of creepage distance between each layer after folding;
6, by establish a separator in core wire through hole, and separator is arranged between ground floor conductive layer and second layer conductive layer, makes can not produce between the end of each layer of conductive layer of flexible circuit board the phenomenon of the too short or short circuit of creepage distance, and fail safe is higher.
7, all power line consistencies from top to bottom arrange, and are easy to the docking of joint of power line and flexible LED strip light external power cord, can not produce staggered phenomenon, convenient production and assembling.
8, folding flexible circuit board structure of the present invention can realize folding before at the same face welding LED, convenient machinery welding (machinery welding as SMT Reflow Soldering need be brushed tin cream at the same face of flexible circuit board); After folding, realize dual surface LED luminous.
It is pointed out that enforcement arbitrary product of the present invention not need to reach above simultaneously and produce effect.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the folding flexible circuit board structural representation one of the embodiment of the present invention one;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the folding flexible circuit board structural representation two of the embodiment of the present invention one;
Fig. 4 is the B portion enlarged drawing of Fig. 3;
Fig. 5 is the structural representation of the embodiment of the present invention two;
Fig. 6 is the side diagram of the embodiment of the present invention two;
Fig. 7 is the structural representation of the embodiment of the present invention three;
Fig. 8 is the side diagram of the embodiment of the present invention three;
Fig. 9 is the structural representation of the embodiment of the present invention four;
Figure 10 is the side diagram of the embodiment of the present invention four.
Embodiment
The embodiment of the present invention one referring to figs. 1 through shown in Fig. 4: a kind of collapsible flexible circuit board, comprising:
Ground floor conductive layer 1, described ground floor conductive layer 1 comprises the first power line 2 and First Line route 3;
Second layer conductive layer 2, described second layer conductive layer 4 comprises second source line 5 and the second circuit line 6;
The first dielectric film 7, is bending and is covered in the upper surface of ground floor conductive layer 1 and the lower surface of second layer conductive layer 2 simultaneously;
The second dielectric film 8, is bending and is covered in the lower surface of ground floor conductive layer 1 and the upper surface of second layer conductive layer 2 simultaneously.
Wherein, described the first power line 2 and the 5 consistency from top to bottom settings of second source line are also positioned at a side of collapsible flexible circuit board, and described First Line route 3 and the second circuit line 6 consistency from top to bottom settings are also positioned at the opposite side of collapsible flexible circuit board.
Described power line 2,5, for to roll by copper wire the strip flat wire forming, can certainly be to form flat wire by copper coin is die-cut, or also can be copper wire.
Described circuit line 3,6 is for to roll by copper wire the strip flat wire (can certainly be by the die-cut flat wire that forms of copper coin) forming, and circuit line 3,6 is provided with multiple disconnections district 9, described disconnection district 9 is for flat wire is through mechanical technology moulding, described mechanical technology is for carry out the unwanted part of die-cut removal on flat conductor, thus formation circuit.
Described disconnection district 9 can soldering surface mounted formula LED10, and LED10 is connected across and disconnects district 9, and plural LEDs 10 is parallel on power line 2,6 by conductor after by circuit line 3,6 or the series connection of partial line route again.
With reference to Fig. 5 to the embodiment of the present invention two shown in Fig. 6: a kind of double-side flexible LED strip light with above-mentioned collapsible flexible circuit board, on the First Line route 3 of described collapsible flexible circuit board and the second circuit line 6, be welded with a plural number adopting surface mounted LED 10, every LEDs 10 is connected across each disconnection district 9 of circuit line; Described double-side flexible LED strip light also comprises a strip plastic cement heart yearn 11, and described heart yearn 11 is provided with a through hole 12 along its length, and described collapsible flexible circuit board and LED10 are arranged in through hole 12.
Wherein, be provided with a separator 13 in described through hole 12, described separator 13 is structure as a whole with heart yearn 11, and separator 13 is arranged between ground floor conductive layer 1 and second layer conductive layer 4.One sidewall of described heart yearn 11 is provided with the open slot 15 that runs through sidewall along its length, and described open slot 15 is communicated with the through hole 12 of heart yearn 11 outsides and heart yearn 11, so that collapsible flexible circuit board can be inserted in the through hole 12 of heart yearn 11.
Described heart yearn 11 peripheries are coated with one deck insulating coating 16, and the cross section of described coating layer 16 is circular.
With reference to Fig. 7 to the embodiment of the present invention three shown in Fig. 8: its structure with implement two unanimous on the wholely, the main distinction is: the cross section of coating layer 16 is for oval.
With reference to Fig. 9 to the invention process four shown in Figure 10: a kind of double-side flexible LED strip light with collapsible flexible circuit board described in embodiment mono-, on the First Line route 3 of described collapsible flexible circuit board and the second circuit line 6, be welded with plural LEDs 10, LED10 is connected across the disconnection district 9 of circuit line 3,6; The periphery of described collapsible flexible circuit board and LED10 is coated with insulating coating 16.
Above embodiment comprises following beneficial effect:
1, flexible circuit board adopts foldable structure, can reach and adopt 4 wires 2,5,3,6 can realize flexible circuit board welding by both sides LED10 and realize the effect of double-side, thereby width is low, and angle of bend is large;
2,, because flexible circuit board width is low, the required glue of coating layer 16 that is coated on flexible circuit board outside is moulded consumption just less, can be significantly cost-saving;
3, flexible circuit adopts folding mode, is easy to realize by craft or tool or mechanical folding to make double-decker flexible circuit board, and technique is simple;
4, folding flexible circuit board structure can make to separate at an angle along folding line between each the layer 1,4 after folding, can solve by separator 13 is set the problem of short circuit between too short or each layer of creepage distance between each layer 1,4 after folding;
5, by establish a separator 13 in heart yearn 11 through holes, and separator 13 is arranged between ground floor conductive layer 1 and second layer conductive layer 4, the phenomenon that makes can not produce between the end of each layer of conductive layer 1,4 of flexible circuit board the too short or short circuit of creepage distance, fail safe is higher.
6, described the first power line 2 and the 5 consistency from top to bottom settings of second source line, are easy to the docking of joint of two power lines and flexible LED strip light external power cord, can not produce staggered phenomenon, convenient production and assembling.
7, folding flexible circuit board structure can realize folding before at the same face welding LED10, convenient machinery welding (machinery welding as SMT Reflow Soldering need be brushed tin cream at the same face of flexible circuit board); After folding, realize dual surface LED luminous.
The above, be preferred embodiment of the present invention, and the present invention is not limited to above-mentioned execution mode, as long as it reaches technique effect of the present invention with equal means, all should belong to protection scope of the present invention.
Claims (10)
1. a novel folding flexible circuit board, comprising:
Ground floor conductive layer, described ground floor conductive layer comprises a power line and at least one circuit line;
Second layer conductive layer, described second layer conductive layer comprises a power line and at least one circuit line;
The first dielectric film, is bending and is covered in the upper surface of ground floor conductive layer and the lower surface of second layer conductive layer simultaneously;
The second dielectric film, is bending and is covered in the lower surface of ground floor conductive layer and the upper surface of second layer conductive layer simultaneously.
2. according to a kind of novel folding flexible circuit board claimed in claim 1, it is characterized in that: described all power line consistencies from top to bottom arrange, described all circuit line consistencies from top to bottom arrange.
3. according to a kind of novel folding flexible circuit board claimed in claim 1, it is characterized in that: described power line is to be formed or by the die-cut strip flat wire forming of metallic plate by wire calendering.
4. according to a kind of novel folding flexible circuit board claimed in claim 1, it is characterized in that: described circuit line is to be formed or by the die-cut strip flat wire forming of metallic plate by wire calendering, and circuit line is provided with multiple disconnections district.
5. one kind has the double-side flexible LED strip light of the collapsible flexible circuit board described in any one in claim 1 to 4, it is characterized in that: on the first conductive layer of described collapsible flexible circuit board and the second conductive layer, be welded with plural LEDs, every LEDs is connected across each disconnection district of circuit line; Described double-side flexible LED strip light also comprises a strip plastic cement heart yearn, and described heart yearn is provided with a through hole along its length, and described collapsible flexible circuit board and LED are arranged in through hole.
6. according to a kind of double-side flexible LED strip light claimed in claim 5, it is characterized in that: in described through hole, be provided with a separator, described separator and heart yearn are structure as a whole, and separator is arranged between ground floor conductive layer and second layer conductive layer.
7. according to a kind of double-side flexible LED strip light claimed in claim 6, it is characterized in that: a sidewall of described heart yearn is provided with the open slot that runs through sidewall along its length.
8. according to a kind of double-side flexible LED strip light claimed in claim 7, it is characterized in that: described heart yearn periphery is also coated with one deck coating layer.
9. according to a kind of double-side flexible LED strip light claimed in claim 8, it is characterized in that: the cross section of described coating layer is circular oval or square or arch.
10. one kind has the double-side flexible LED strip light of the collapsible flexible circuit board described in any one in claim 1 to 4, it is characterized in that: on the first conductive layer of described collapsible flexible circuit board and the second conductive layer, be welded with plural LEDs, every LEDs is connected across each disconnection district of circuit line; The periphery of described collapsible flexible circuit board and LED is coated with insulating coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410063165.3A CN103826388A (en) | 2014-02-22 | 2014-02-22 | Novel folding flexible circuit board and flexible LED bar lamp with two light-emitting faces and novel folding flexible circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410063165.3A CN103826388A (en) | 2014-02-22 | 2014-02-22 | Novel folding flexible circuit board and flexible LED bar lamp with two light-emitting faces and novel folding flexible circuit board |
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| Publication Number | Publication Date |
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| CN103826388A true CN103826388A (en) | 2014-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410063165.3A Pending CN103826388A (en) | 2014-02-22 | 2014-02-22 | Novel folding flexible circuit board and flexible LED bar lamp with two light-emitting faces and novel folding flexible circuit board |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154481A (en) * | 2014-07-17 | 2014-11-19 | 广州众恒光电科技有限公司 | LED (light emitting diode) illuminating lamp tube with luminous main surface and luminous secondary surface |
| WO2015058565A1 (en) * | 2013-10-24 | 2015-04-30 | He Shan Lide Electronic Enterprise Company Ltd. | Flexible circuit board and method for manufacturing the same, and led flexible strip light |
| RU2698702C2 (en) * | 2014-12-17 | 2019-08-29 | Филипс Лайтинг Холдинг Б.В. | Lighting control based on one or more lengths of flexible substrate |
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| CN203775532U (en) * | 2014-02-22 | 2014-08-13 | 鹤山丽得电子实业有限公司 | Novel folding flexible circuit board and double-sided light-emitting flexible LED strip lamp provided with same |
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2014
- 2014-02-22 CN CN201410063165.3A patent/CN103826388A/en active Pending
Patent Citations (7)
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| US20040170795A1 (en) * | 2001-04-04 | 2004-09-02 | Alliedsignal Inc. | Lasable bond-ply materials for high density printed wiring boards |
| CN202048540U (en) * | 2010-07-23 | 2011-11-23 | 王定锋 | LED (Light Emitting Diode) lamp circuit board made of three flat conducting wires |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015058565A1 (en) * | 2013-10-24 | 2015-04-30 | He Shan Lide Electronic Enterprise Company Ltd. | Flexible circuit board and method for manufacturing the same, and led flexible strip light |
| CN104154481A (en) * | 2014-07-17 | 2014-11-19 | 广州众恒光电科技有限公司 | LED (light emitting diode) illuminating lamp tube with luminous main surface and luminous secondary surface |
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Application publication date: 20140528 |
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