CN205716629U - A kind of anti-tampering light bar of double-faced flexible - Google Patents
A kind of anti-tampering light bar of double-faced flexible Download PDFInfo
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- CN205716629U CN205716629U CN201620673134.4U CN201620673134U CN205716629U CN 205716629 U CN205716629 U CN 205716629U CN 201620673134 U CN201620673134 U CN 201620673134U CN 205716629 U CN205716629 U CN 205716629U
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- layer
- pet film
- film layer
- light bar
- insulated substrate
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- 229920002799 BoPET Polymers 0.000 claims abstract description 40
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000011889 copper foil Substances 0.000 claims abstract description 29
- 239000000758 substrate Substances 0.000 claims abstract description 29
- 239000011324 bead Substances 0.000 claims abstract description 12
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 7
- 229920000139 polyethylene terephthalate Polymers 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 6
- 239000000428 dust Substances 0.000 description 7
- 239000004020 conductor Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 208000001203 Smallpox Diseases 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 241000870995 Variola Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Landscapes
- Structure Of Printed Boards (AREA)
Abstract
This utility model belongs to flexible PCB technical field, specifically disclose a kind of anti-tampering light bar of double-faced flexible, including flexible circuit board and the lamp bead being arranged in flexible circuit board, described flexible circuit board includes insulated substrate, the both sides of described insulated substrate are sequentially provided with copper foil circuit layer and PET film layer respectively, described insulated substrate and copper foil circuit layer are provided with the through hole that can realize two sides conducting, described PET film layer is provided with through hole, is bondd by thermosetting glue-line between described insulated substrate, copper foil circuit layer and PET film layer.This utility model uses double-sided symmetrical structure, it is to avoid the shortcoming of traditional one-sided circuit board, greatly reduces the difficulty of application, and innovatively make use of two-layer PET film layer to clamp, improves the capacity of resisting disturbance of wiring board, it is ensured that its bending resistance.
Description
Technical field
This utility model relates to flexible PCB technical field, particularly relates to a kind of anti-tampering light bar of double-faced flexible.
Background technology
Flexible PCB is called for short " soft board ", is commonly called as FPC in industry, the printed circuit made with flexible insulating substrate
Plate, has the advantage that many rigid printed circuit boards do not possess.Such as it can with free bend, wind, folding etc..Utilize flexibility
Circuit board can be substantially reduced the volume of electronic product, is suitable for the need that electronic product develops to high density, miniaturization, highly reliable direction
Want.Therefore, flexible PCB is in fields such as space flight, military affairs, mobile communication, laptop computer, computer peripheral equipment, PDA, digital cameras
Or be widely used on product.
Light bar is the more popular field of flexible PCB application.So-called light bar, refers to LED with special
Processing technique is welded on flexible PCB, reconnects electrical source luminescent, and it has the features such as length in service life, energy-conserving and environment-protective.With
Improving constantly of people's living standard, LED is widely used in decorative lighting place, such as neon light, large-scale sky
Line wiring board, captions advertisement, signboard, variola illumination etc..But the flexible PCB that light bar traditionally is used is one side line
Road, as the patent of invention of Application No. 201010232537.2 discloses the juxtaposed wire producing single-sided circuit board of a kind of employing
Method, the circuit board utilizing the method to prepare is single-sided circuit board, and this single-sided circuit board a problem is that, with
LED combines after forming light bar, single-sided circuit board additionally must be connected wire, not only increase light bar when this light bar is powered
Volume, and manually-operated complexity can be increased.Owing to manual operation exists error, after long-time use, the contact of wire is not
The good intermittence being easily caused light bar is malfunctioning so that the service life of light bar declines.
The utility model patent of Application No. 201320405662.8 discloses a kind of double-circuit LED high-voltage light bar, including
Wiring board and the LED assembly being layed on wiring board, the end face of described wiring board is provided with end face electric conductor circuit, and bottom surface is provided with the end
Face electric conductor circuit, wiring board is Double-side line conductive structure, and LED assembly is located on end face electric conductor circuit, bottom surface electric conductor
Circuit is wire line.The wiring board of this two-wire paths of LEDs high-pressure lamp band uses the design of double-circuit plate, solves tradition one side
The shortcoming of circuit board, but, this utility model have ignored a problem, its electric conductor circuit in the case of long-time use,
Easily affected by surrounding enviroment such as dust, moisture etc. and caused the short circuit of LED weld, thus reduced service life.
Therefore, for the deficiencies in the prior art, it is necessary to propose to improve to this.
Utility model content
In view of this, the purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that outside one can effectively prevent
Boundary's interference and the anti-tampering light bar of double-faced flexible of length in service life.
In order to solve above-mentioned technical problem, this utility model uses following scheme to realize:
A kind of anti-tampering light bar of double-faced flexible, including flexible circuit board and the lamp bead being arranged in flexible circuit board, described
Flexible circuit board includes that insulated substrate, the both sides of described insulated substrate are sequentially provided with copper foil circuit layer and PET film layer respectively, described
Insulated substrate and copper foil circuit layer are provided with the through hole that can realize the conducting of two-layer copper foil circuit layer, and described lamp bead is disposed therein
On one layer of copper foil circuit layer, bondd by thermosetting glue-line between described insulated substrate, copper foil circuit layer and PET film layer.
Flexible circuit board of the present utility model is respectively provided with copper foil circuit layer, copper foil circuit layer shape in the both sides of insulated substrate
Become conducting wire, therefore, this utility model light bar, it is not necessary to additionally connect wire so that the light bar of preparation is the most encapsulated,
Reduce the manufacture difficulty of light bar, and, copper foil circuit layer is set in the both sides of insulated substrate, so that wiring board is overall thick
Degree is substantially reduced, compacter.Owing to arranging copper foil circuit layer in the both sides of insulated substrate, therefore, after a long time use, special
Not at dust compared with big or that dampness is heavier place, copper foil circuit layer is susceptible to short circuit, causes fault, and therefore this utility model exists
Cover one layer of PET film layer on copper foil circuit layer, copper foil circuit layer is come with external environment isolation, it is provided that good electronics is exhausted
Edge function.Further, owing to the scene of light bar application needs bending greatly, traditional circuit plate benging is in long-time use
After be susceptible to break or separate, in this utility model, utilize PET film layer to reduce the stress of knee.Both sides form symmetry
PET film layer copper foil circuit plate and insulated substrate are formed clamping so that the weatherability of wiring board, ageing resistace more preferably, line
The road plate life-span is the most lasting, furthermore, just because of the superperformance of PET film layer, it can be accomplished sufficiently thin and send out in light bar
Being not easily separate and shrink in the case of light heating, comprehensively its cost and characteristic, this is that other material can not be compared.Two-layer
Copper foil circuit layer realizes conducting by through hole, it is not necessary to additionally connect wire, copper foil circuit layer use continuous physical cutting and
Become, therefore can realize continuous continual production, overcome the wiring board length at most only 1 etching circuit in prior art
~ 2m, being prepared as light bar needs the shortcoming of a plurality of splicing, can be greatly improved production efficiency.Insulated substrate, copper foil circuit layer and
PET film layer is bondd by thermosetting glue-line, and thermosetting glue-line provides powerful cohesive force, especially for PET film layer, at wiring board
After loading onto lamp bead, the characteristic of thermosetting glue-line is possible to prevent lamp bead heating and the PET film layer heat shrinkable that cause and the phenomenon that tilts
Generation can, extend the service life of wiring board.
At least one of which PET film layer is provided with through hole.Through hole on PET film layer is to allow the lamp being arranged on copper foil circuit layer
Pearl is appeared, and when can make paster, tin cream will not be lost to other positions, and can disperse the heat that LED sends.
The thickness of described PET film layer is 0.05 ~ 0.2mm.Although the PET film layer that this utility model have employed symmetry guarantees
The bending resistance of wiring board, but, PET film layer is not the thickest more good, and it to control in certain thickness range could be to
Wiring board brings superior performance.If PET film layer is blocked up, although its electronic protection function is strengthened, but at wiring board
During bending, PET film layer forms extruding to copper foil circuit layer and insulated substrate, easily makes both rupture；If PET film layer
Cross thin, then can not play the most anti-around ability and electronic protection ability.
The thickness of described insulated substrate is 0.5 ~ 1mm.Described insulated substrate is pet layer.Middle pet layer coordinates two-layer copper
Paper tinsel line layer and outside two-layer PET film layer, can make its thickness become thinner.
Described PET film layer is provided with the first annular protuberance around through hole.Flexible circuit board prepared by this utility model
During for manufacturing light bar, light bar needs to carry out encapsulated, and therefore, it is prominent that this utility model arranges annular in the through hole of PET film layer
Portion, when encapsulated press lamp bead time, annular protrusion and encapsulated close contact, the dust that can intercept the external world to a certain extent enters
Enter to through hole, and when wiring board is in bending, annular protrusion is possible to prevent the stress mutation of through hole to rupture.
Further, described PET film layer is provided with the second annular protrusion, and the second annular around first annular protuberance
The thickness of protuberance is less than first annular protuberance.Application circuit plate be prepared as light bar and encapsulated after, inevitably occur
Dust enters the space between encapsulated and light bar, in order to prevent the migration of dust, annular with second by first annular protuberance
The trench structure of protuberance composition prevents the migration of dust, prevents dust from impacting wiring board performance.
It is 0.5 ~ 3.5mm that described first annular protuberance highlights the thickness of PET film layer, and the edge of its inner distance through hole
0.5 ~ 3mm, described first annular protuberance and the second annular protrusion are at a distance of 1 ~ 2mm.When encapsulated press lamp bead time, lamp bead is corresponding
The micro-standing shape of encapsulated formation, coordinate lower slightly the first and second annular protrusion of thickness, can just combine closely.
Compared with prior art, this utility model has the advantages that this utility model uses double-sided symmetrical structure,
The shortcoming avoiding tradition one-sided circuit board, greatly reduces the difficulty of application, and innovatively make use of two-layer PET film layer to enter
Row clamping, improves the capacity of resisting disturbance of wiring board, it is ensured that its bending resistance.
Accompanying drawing explanation
Fig. 1 is embodiment light bar sectional view.
Detailed description of the invention
In order to allow those skilled in the art be more fully understood that the technical solution of the utility model, below in conjunction with the accompanying drawings to this
Utility model is further elaborated.
Embodiment
As it is shown in figure 1, a kind of anti-tampering light bar of double-faced flexible, including flexible circuit board be arranged in flexible circuit board
Lamp bead 210, described flexible circuit board includes that insulated substrate 100, the both sides of described insulated substrate 100 are sequentially provided with Copper Foil line respectively
Road floor 200 and PET film floor 300, described insulated substrate 100 and copper foil circuit layer 200 are provided with and can realize running through of two sides conducting
Hole 400, described PET film layer 300 is provided with the through hole that lamp bead 210 can be allowed to appear, described insulated substrate 100, copper foil circuit layer 200
And bondd by thermosetting glue-line 500 between PET film layer 300.The thickness of described PET film layer 300 is 0.1mm.Described insulated substrate
The thickness of 100 is 0.7mm.Described insulated substrate 100 is pet layer.Described PET film layer 300 is provided with the first ring around through hole
Shape protuberance 320.It is provided with the second annular protrusion 330, and second around first annular protuberance 320 on described PET film layer 300
The thickness of annular protrusion 330 is less than first annular protuberance 320.Described first annular protuberance 320 highlights PET film layer 300
Thickness be 2mm, and the edge 1mm of its inner distance through hole, the thickness of described second annular protrusion 330 is 1mm, and it is with the
One annular protrusion 320 is at a distance of 1mm.
Above-described embodiment is only wherein specific implementation of the present utility model, and it describes more concrete and detailed, but also
Therefore the restriction to this utility model the scope of the claims can not be interpreted as.It should be pointed out that, for the ordinary skill of this area
For personnel, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these are apparent
Alternative forms belong to protection domain of the present utility model.
Claims (8)
1. the anti-tampering light bar of double-faced flexible, including flexible circuit board and the lamp bead being arranged in flexible circuit board, its feature
Being, described flexible circuit board includes that insulated substrate, the both sides of described insulated substrate are sequentially provided with copper foil circuit layer and PET respectively
Film layer, described insulated substrate and copper foil circuit layer are provided with the through hole that can realize the conducting of two-layer copper foil circuit layer, described lamp bead
It is disposed therein on one layer of copper foil circuit layer, is glued by thermosetting glue-line between described insulated substrate, copper foil circuit layer and PET film layer
Knot.
The anti-tampering light bar of double-faced flexible the most according to claim 1, it is characterised in that at least one of which PET film layer is provided with
Through hole.
The anti-tampering light bar of double-faced flexible the most according to claim 1 and 2, it is characterised in that the thickness of described PET film layer is
0.05~0.2mm。
The anti-tampering light bar of double-faced flexible the most according to claim 3, it is characterised in that the thickness of described insulated substrate is
0.5~1mm。
The anti-tampering light bar of double-faced flexible the most according to claim 1, it is characterised in that described insulated substrate is pet layer.
The anti-tampering light bar of double-faced flexible the most according to claim 2, it is characterised in that described PET film layer be provided with around
The first annular protuberance of through hole.
The anti-tampering light bar of double-faced flexible the most according to claim 6, it is characterised in that around first on described PET film layer
Annular protrusion is provided with the second annular protrusion, and the thickness of the second annular protrusion is less than first annular protuberance.
The anti-tampering light bar of double-faced flexible the most according to claim 6, it is characterised in that described first annular protuberance highlights
The thickness of PET film layer is 0.5 ~ 3.5mm, and the edge 0.5 ~ 3mm of its inner distance through hole, described first annular protuberance and
Second ring protuberance is at a distance of 1 ~ 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620673134.4U CN205716629U (en) | 2016-06-30 | 2016-06-30 | A kind of anti-tampering light bar of double-faced flexible |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620673134.4U CN205716629U (en) | 2016-06-30 | 2016-06-30 | A kind of anti-tampering light bar of double-faced flexible |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205716629U true CN205716629U (en) | 2016-11-23 |
Family
ID=57318712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620673134.4U Active CN205716629U (en) | 2016-06-30 | 2016-06-30 | A kind of anti-tampering light bar of double-faced flexible |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205716629U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109435369A (en) * | 2018-11-20 | 2019-03-08 | 鹤山市众晟科技有限公司 | The manufacturing method and LED light bar of LED light bar |
| CN109548322A (en) * | 2017-09-21 | 2019-03-29 | 鹤山市得润电子科技有限公司 | A kind of manufacturing method and production equipment of multi-layer soft circuit board |
| CN110925636A (en) * | 2019-12-03 | 2020-03-27 | 深圳市腾鑫精密胶粘制品有限公司 | Energy-saving lamp strip capable of being cut at will and preparation method thereof |
-
2016
- 2016-06-30 CN CN201620673134.4U patent/CN205716629U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109548322A (en) * | 2017-09-21 | 2019-03-29 | 鹤山市得润电子科技有限公司 | A kind of manufacturing method and production equipment of multi-layer soft circuit board |
| CN109435369A (en) * | 2018-11-20 | 2019-03-08 | 鹤山市众晟科技有限公司 | The manufacturing method and LED light bar of LED light bar |
| CN110925636A (en) * | 2019-12-03 | 2020-03-27 | 深圳市腾鑫精密胶粘制品有限公司 | Energy-saving lamp strip capable of being cut at will and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 528325 Guangdong 1 Foshan town Shunde District, Longtan Village, Qi Long Road, Da she 9, No. 1 Patentee after: GUANGDONG SHUNDE SIRY TECHNOLOGY Co.,Ltd. Address before: 528325 one of 2 hundred road sections in the North Water Village Committee Industrial Zone, Shunde District, Foshan City, Guangdong Province Patentee before: GUANGDONG SHUNDE SIRY TECHNOLOGY Co.,Ltd. |
|
| IP01 | Partial invalidation of patent right | ||
| IP01 | Partial invalidation of patent right |
Commission number: 5W113034 Conclusion of examination: Claims 1-5 are declared invalid and remain valid on the basis of claims 6-8 Decision date of declaring invalidation: 20180212 Decision number of declaring invalidation: 34925 Denomination of utility model: A double-sided flexible anti-interference lamp belt Granted publication date: 20161123 Patentee: GUANGDONG SHUNDE SIRY TECHNOLOGY Co.,Ltd. |